diff options
536 files changed, 12543 insertions, 6204 deletions
@@ -27,6 +27,7 @@ *.gz *.lzma *.patch +*.gcno # # Top-level generic files diff --git a/Documentation/block/data-integrity.txt b/Documentation/block/data-integrity.txt index e8ca040..2d735b0 100644 --- a/Documentation/block/data-integrity.txt +++ b/Documentation/block/data-integrity.txt @@ -50,7 +50,7 @@ encouraged them to allow separation of the data and integrity metadata scatter-gather lists. The controller will interleave the buffers on write and split them on -read. This means that the Linux can DMA the data buffers to and from +read. This means that Linux can DMA the data buffers to and from host memory without changes to the page cache. Also, the 16-bit CRC checksum mandated by both the SCSI and SATA specs @@ -66,7 +66,7 @@ software RAID5). The IP checksum is weaker than the CRC in terms of detecting bit errors. However, the strength is really in the separation of the data -buffers and the integrity metadata. These two distinct buffers much +buffers and the integrity metadata. These two distinct buffers must match up for an I/O to complete. The separation of the data and integrity metadata buffers as well as diff --git a/Documentation/cgroups/cpusets.txt b/Documentation/cgroups/cpusets.txt index f9ca389..1d7e978 100644 --- a/Documentation/cgroups/cpusets.txt +++ b/Documentation/cgroups/cpusets.txt @@ -777,6 +777,18 @@ in cpuset directories: # /bin/echo 1-4 > cpus -> set cpus list to cpus 1,2,3,4 # /bin/echo 1,2,3,4 > cpus -> set cpus list to cpus 1,2,3,4 +To add a CPU to a cpuset, write the new list of CPUs including the +CPU to be added. To add 6 to the above cpuset: + +# /bin/echo 1-4,6 > cpus -> set cpus list to cpus 1,2,3,4,6 + +Similarly to remove a CPU from a cpuset, write the new list of CPUs +without the CPU to be removed. + +To remove all the CPUs: + +# /bin/echo "" > cpus -> clear cpus list + 2.3 Setting flags ----------------- diff --git a/Documentation/dvb/get_dvb_firmware b/Documentation/dvb/get_dvb_firmware index a52adfc..3d1b0ab 100644 --- a/Documentation/dvb/get_dvb_firmware +++ b/Documentation/dvb/get_dvb_firmware @@ -25,7 +25,7 @@ use IO::Handle; "tda10046lifeview", "av7110", "dec2000t", "dec2540t", "dec3000s", "vp7041", "dibusb", "nxt2002", "nxt2004", "or51211", "or51132_qam", "or51132_vsb", "bluebird", - "opera1", "cx231xx", "cx18", "cx23885", "pvrusb2" ); + "opera1", "cx231xx", "cx18", "cx23885", "pvrusb2", "mpc718" ); # Check args syntax() if (scalar(@ARGV) != 1); @@ -381,6 +381,57 @@ sub cx18 { $allfiles; } +sub mpc718 { + my $archive = 'Yuan MPC718 TV Tuner Card 2.13.10.1016.zip'; + my $url = "ftp://ftp.work.acer-euro.com/desktop/aspire_idea510/vista/Drivers/$archive"; + my $fwfile = "dvb-cx18-mpc718-mt352.fw"; + my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); + + checkstandard(); + wgetfile($archive, $url); + unzip($archive, $tmpdir); + + my $sourcefile = "$tmpdir/Yuan MPC718 TV Tuner Card 2.13.10.1016/mpc718_32bit/yuanrap.sys"; + my $found = 0; + + open IN, '<', $sourcefile or die "Couldn't open $sourcefile to extract $fwfile data\n"; + binmode IN; + open OUT, '>', $fwfile; + binmode OUT; + { + # Block scope because we change the line terminator variable $/ + my $prevlen = 0; + my $currlen; + + # Buried in the data segment are 3 runs of almost identical + # register-value pairs that end in 0x5d 0x01 which is a "TUNER GO" + # command for the MT352. + # Pull out the middle run (because it's easy) of register-value + # pairs to make the "firmware" file. + + local $/ = "\x5d\x01"; # MT352 "TUNER GO" + + while (<IN>) { + $currlen = length($_); + if ($prevlen == $currlen && $currlen <= 64) { + chop; chop; # Get rid of "TUNER GO" + s/^\0\0//; # get rid of leading 00 00 if it's there + printf OUT "$_"; + $found = 1; + last; + } + $prevlen = $currlen; + } + } + close OUT; + close IN; + if (!$found) { + unlink $fwfile; + die "Couldn't find valid register-value sequence in $sourcefile for $fwfile\n"; + } + $fwfile; +} + sub cx23885 { my $url = "http://linuxtv.org/downloads/firmware/"; diff --git a/Documentation/gcov.txt b/Documentation/gcov.txt index e716aad..40ec633 100644 --- a/Documentation/gcov.txt +++ b/Documentation/gcov.txt @@ -188,13 +188,18 @@ Solution: Exclude affected source files from profiling by specifying GCOV_PROFILE := n or GCOV_PROFILE_basename.o := n in the corresponding Makefile. +Problem: Files copied from sysfs appear empty or incomplete. +Cause: Due to the way seq_file works, some tools such as cp or tar + may not correctly copy files from sysfs. +Solution: Use 'cat' to read .gcda files and 'cp -d' to copy links. + Alternatively use the mechanism shown in Appendix B. + Appendix A: gather_on_build.sh ============================== Sample script to gather coverage meta files on the build machine (see 6a): - #!/bin/bash KSRC=$1 @@ -226,7 +231,7 @@ Appendix B: gather_on_test.sh Sample script to gather coverage data files on the test machine (see 6b): -#!/bin/bash +#!/bin/bash -e DEST=$1 GCDA=/sys/kernel/debug/gcov @@ -236,11 +241,13 @@ if [ -z "$DEST" ] ; then exit 1 fi -find $GCDA -name '*.gcno' -o -name '*.gcda' | tar cfz $DEST -T - +TEMPDIR=$(mktemp -d) +echo Collecting data.. +find $GCDA -type d -exec mkdir -p $TEMPDIR/\{\} \; +find $GCDA -name '*.gcda' -exec sh -c 'cat < $0 > '$TEMPDIR'/$0' {} \; +find $GCDA -name '*.gcno' -exec sh -c 'cp -d $0 '$TEMPDIR'/$0' {} \; +tar czf $DEST -C $TEMPDIR sys +rm -rf $TEMPDIR -if [ $? -eq 0 ] ; then - echo "$DEST successfully created, copy to build system and unpack with:" - echo " tar xfz $DEST" -else - echo "Could not create file $DEST" -fi +echo "$DEST successfully created, copy to build system and unpack with:" +echo " tar xfz $DEST" diff --git a/Documentation/kmemleak.txt b/Documentation/kmemleak.txt index 0112da3..8906803 100644 --- a/Documentation/kmemleak.txt +++ b/Documentation/kmemleak.txt @@ -16,13 +16,17 @@ Usage ----- CONFIG_DEBUG_KMEMLEAK in "Kernel hacking" has to be enabled. A kernel -thread scans the memory every 10 minutes (by default) and prints any new -unreferenced objects found. To trigger an intermediate scan and display -all the possible memory leaks: +thread scans the memory every 10 minutes (by default) and prints the +number of new unreferenced objects found. To display the details of all +the possible memory leaks: # mount -t debugfs nodev /sys/kernel/debug/ # cat /sys/kernel/debug/kmemleak +To trigger an intermediate memory scan: + + # echo scan > /sys/kernel/debug/kmemleak + Note that the orphan objects are listed in the order they were allocated and one object at the beginning of the list may cause other subsequent objects to be reported as orphan. @@ -31,16 +35,21 @@ Memory scanning parameters can be modified at run-time by writing to the /sys/kernel/debug/kmemleak file. The following parameters are supported: off - disable kmemleak (irreversible) - stack=on - enable the task stacks scanning + stack=on - enable the task stacks scanning (default) stack=off - disable the tasks stacks scanning - scan=on - start the automatic memory scanning thread + scan=on - start the automatic memory scanning thread (default) scan=off - stop the automatic memory scanning thread - scan=<secs> - set the automatic memory scanning period in seconds (0 - to disable it) + scan=<secs> - set the automatic memory scanning period in seconds + (default 600, 0 to stop the automatic scanning) + scan - trigger a memory scan Kmemleak can also be disabled at boot-time by passing "kmemleak=off" on the kernel command line. +Memory may be allocated or freed before kmemleak is initialised and +these actions are stored in an early log buffer. The size of this buffer +is configured via the CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE option. + Basic Algorithm --------------- diff --git a/Documentation/spi/spidev_test.c b/Documentation/spi/spidev_test.c index cf0e3ce0..c1a5aad 100644 --- a/Documentation/spi/spidev_test.c +++ b/Documentation/spi/spidev_test.c @@ -99,11 +99,13 @@ void parse_opts(int argc, char *argv[]) { "lsb", 0, 0, 'L' }, { "cs-high", 0, 0, 'C' }, { "3wire", 0, 0, '3' }, + { "no-cs", 0, 0, 'N' }, + { "ready", 0, 0, 'R' }, { NULL, 0, 0, 0 }, }; int c; - c = getopt_long(argc, argv, "D:s:d:b:lHOLC3", lopts, NULL); + c = getopt_long(argc, argv, "D:s:d:b:lHOLC3NR", lopts, NULL); if (c == -1) break; @@ -139,6 +141,12 @@ void parse_opts(int argc, char *argv[]) case '3': mode |= SPI_3WIRE; break; + case 'N': + mode |= SPI_NO_CS; + break; + case 'R': + mode |= SPI_READY; + break; default: print_usage(argv[0]); break; diff --git a/Documentation/video4linux/CARDLIST.em28xx b/Documentation/video4linux/CARDLIST.em28xx index 873630e..014d255 100644 --- a/Documentation/video4linux/CARDLIST.em28xx +++ b/Documentation/video4linux/CARDLIST.em28xx @@ -66,3 +66,4 @@ 68 -> Terratec AV350 (em2860) [0ccd:0084] 69 -> KWorld ATSC 315U HDTV TV Box (em2882) [eb1a:a313] 70 -> Evga inDtube (em2882) + 71 -> Silvercrest Webcam 1.3mpix (em2820/em2840) diff --git a/MAINTAINERS b/MAINTAINERS index 05a9a56..381190c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2130,9 +2130,9 @@ F: drivers/edac/i5400_edac.c EDAC-I82975X P: Ranganathan Desikan -M: rdesikan@jetzbroadband.com +M: ravi@jetztechnologies.com P: Arvind R. -M: arvind@acarlab.com +M: arvind@jetztechnologies.com L: bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers) W: bluesmoke.sourceforge.net S: Maintained @@ -2851,7 +2851,9 @@ S: Maintained IA64 (Itanium) PLATFORM P: Tony Luck +P: Fenghua Yu M: tony.luck@intel.com +M: fenghua.yu@intel.com L: linux-ia64@vger.kernel.org W: http://www.ia64-linux.org/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6.git @@ -2929,7 +2931,7 @@ P: Dmitry Eremin-Solenikov M: dbaryshkov@gmail.com P: Sergey Lapin M: slapin@ossfans.org -L: linux-zigbee-devel@lists.sourceforge.net +L: linux-zigbee-devel@lists.sourceforge.net (moderated for non-subscribers) W: http://apps.sourceforge.net/trac/linux-zigbee T: git git://git.kernel.org/pub/scm/linux/kernel/git/lowpan/lowpan.git S: Maintained @@ -5576,8 +5578,8 @@ F: drivers/staging/ STARFIRE/DURALAN NETWORK DRIVER P: Ion Badulescu -M: ionut@cs.columbia.edu -S: Maintained +M: ionut@badula.org +S: Odd Fixes F: drivers/net/starfire* STARMODE RADIO IP (STRIP) PROTOCOL DRIVER @@ -1,7 +1,7 @@ VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 31 -EXTRAVERSION = -rc1 +EXTRAVERSION = -rc2 NAME = Man-Eating Seals of Antiquity # *DOCUMENTATION* @@ -140,15 +140,13 @@ _all: modules endif srctree := $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR)) -TOPDIR := $(srctree) -# FIXME - TOPDIR is obsolete, use srctree/objtree objtree := $(CURDIR) src := $(srctree) obj := $(objtree) VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) -export srctree objtree VPATH TOPDIR +export srctree objtree VPATH # SUBARCH tells the usermode build what the underlying arch is. That is set @@ -344,7 +342,8 @@ KBUILD_CPPFLAGS := -D__KERNEL__ KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ -fno-strict-aliasing -fno-common \ - -Werror-implicit-function-declaration + -Werror-implicit-function-declaration \ + -Wno-format-security KBUILD_AFLAGS := -D__ASSEMBLY__ # Read KERNELRELEASE from include/config/kernel.release (if it exists) diff --git a/arch/alpha/include/asm/percpu.h b/arch/alpha/include/asm/percpu.h index 06c5c7a..b663f1f 100644 --- a/arch/alpha/include/asm/percpu.h +++ b/arch/alpha/include/asm/percpu.h @@ -30,7 +30,7 @@ extern unsigned long __per_cpu_offset[NR_CPUS]; #ifndef MODULE #define SHIFT_PERCPU_PTR(var, offset) RELOC_HIDE(&per_cpu_var(var), (offset)) -#define PER_CPU_ATTRIBUTES +#define PER_CPU_DEF_ATTRIBUTES #else /* * To calculate addresses of locally defined variables, GCC uses 32-bit @@ -49,7 +49,7 @@ extern unsigned long __per_cpu_offset[NR_CPUS]; : "=&r"(__ptr), "=&r"(tmp_gp)); \ (typeof(&per_cpu_var(var)))(__ptr + (offset)); }) -#define PER_CPU_ATTRIBUTES __used +#define PER_CPU_DEF_ATTRIBUTES __used #endif /* MODULE */ @@ -71,7 +71,7 @@ extern unsigned long __per_cpu_offset[NR_CPUS]; #define __get_cpu_var(var) per_cpu_var(var) #define __raw_get_cpu_var(var) per_cpu_var(var) -#define PER_CPU_ATTRIBUTES +#define PER_CPU_DEF_ATTRIBUTES #endif /* SMP */ diff --git a/arch/arm/configs/kb9202_defconfig b/arch/arm/configs/kb9202_defconfig index 8e74c66..605a846 100644 --- a/arch/arm/configs/kb9202_defconfig +++ b/arch/arm/configs/kb9202_defconfig @@ -1,109 +1,246 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.13-rc2 -# Sun Aug 14 19:26:59 2005 +# Linux kernel version: 2.6.30-rc8 +# Wed Jun 3 13:52:33 2009 # CONFIG_ARM=y +CONFIG_SYS_SUPPORTS_APM_EMULATION=y +CONFIG_GENERIC_GPIO=y +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_CLOCKEVENTS=y CONFIG_MMU=y -CONFIG_UID16=y +# CONFIG_NO_IOPORT is not set +CONFIG_GENERIC_HARDIRQS=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_HAVE_LATENCYTOP_SUPPORT=y +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_TRACE_IRQFLAGS_SUPPORT=y +CONFIG_HARDIRQS_SW_RESEND=y +CONFIG_GENERIC_IRQ_PROBE=y CONFIG_RWSEM_GENERIC_SPINLOCK=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +CONFIG_VECTORS_BASE=0xffff0000 +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # -# Code maturity level options +# General setup # -# CONFIG_EXPERIMENTAL is not set -CONFIG_CLEAN_COMPILE=y +CONFIG_EXPERIMENTAL=y CONFIG_BROKEN_ON_SMP=y +CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 - -# -# General setup -# CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y # CONFIG_SWAP is not set -# CONFIG_SYSVIPC is not set -# CONFIG_BSD_PROCESS_ACCT is not set +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +CONFIG_POSIX_MQUEUE=y +CONFIG_POSIX_MQUEUE_SYSCTL=y +CONFIG_BSD_PROCESS_ACCT=y +# CONFIG_BSD_PROCESS_ACCT_V3 is not set +# CONFIG_TASKSTATS is not set +CONFIG_AUDIT=y + +# +# RCU Subsystem +# +CONFIG_CLASSIC_RCU=y +# CONFIG_TREE_RCU is not set +# CONFIG_PREEMPT_RCU is not set +# CONFIG_TREE_RCU_TRACE is not set +# CONFIG_PREEMPT_RCU_TRACE is not set +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=17 +# CONFIG_GROUP_SCHED is not set +# CONFIG_CGROUPS is not set +# CONFIG_SYSFS_DEPRECATED_V2 is not set +# CONFIG_RELAY is not set +CONFIG_NAMESPACES=y +# CONFIG_UTS_NS is not set +# CONFIG_IPC_NS is not set +# CONFIG_USER_NS is not set +# CONFIG_PID_NS is not set +# CONFIG_NET_NS is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +CONFIG_RD_GZIP=y +CONFIG_RD_BZIP2=y +CONFIG_RD_LZMA=y +CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_SYSCTL=y -# CONFIG_AUDIT is not set -CONFIG_HOTPLUG=y -# CONFIG_KOBJECT_UEVENT is not set -# CONFIG_IKCONFIG is not set +CONFIG_ANON_INODES=y # CONFIG_EMBEDDED is not set +CONFIG_UID16=y +CONFIG_SYSCTL_SYSCALL=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set -# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_KALLSYMS_EXTRA_PASS=y +# CONFIG_STRIP_ASM_SYMS is not set +CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y +CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y -CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y CONFIG_SHMEM=y -CONFIG_CC_ALIGN_FUNCTIONS=0 -CONFIG_CC_ALIGN_LABELS=0 -CONFIG_CC_ALIGN_LOOPS=0 -CONFIG_CC_ALIGN_JUMPS=0 -# CONFIG_TINY_SHMEM is not set +CONFIG_AIO=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_SLUB_DEBUG=y +CONFIG_COMPAT_BRK=y +# CONFIG_SLAB is not set +CONFIG_SLUB=y +# CONFIG_SLOB is not set +# CONFIG_PROFILING is not set +CONFIG_TRACEPOINTS=y +CONFIG_MARKERS=y +CONFIG_HAVE_OPROFILE=y +# CONFIG_KPROBES is not set +CONFIG_HAVE_KPROBES=y +CONFIG_HAVE_KRETPROBES=y +CONFIG_HAVE_CLK=y +# CONFIG_SLOW_WORK is not set +CONFIG_HAVE_GENERIC_DMA_COHERENT=y +CONFIG_SLABINFO=y +CONFIG_RT_MUTEXES=y CONFIG_BASE_SMALL=0 +CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +CONFIG_MODVERSIONS=y +CONFIG_MODULE_SRCVERSION_ALL=y +CONFIG_BLOCK=y +# CONFIG_LBD is not set +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_BLK_DEV_INTEGRITY is not set # -# Loadable module support +# IO Schedulers # -CONFIG_MODULES=y -CONFIG_MODULE_UNLOAD=y -CONFIG_OBSOLETE_MODPARM=y -# CONFIG_MODULE_SRCVERSION_ALL is not set -CONFIG_KMOD=y +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +# CONFIG_IOSCHED_DEADLINE is not set +CONFIG_IOSCHED_CFQ=y +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +CONFIG_DEFAULT_CFQ=y +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="cfq" +# CONFIG_FREEZER is not set # # System Type # -# CONFIG_ARCH_CLPS7500 is not set +# CONFIG_ARCH_AAEC2000 is not set +# CONFIG_ARCH_INTEGRATOR is not set +# CONFIG_ARCH_REALVIEW is not set +# CONFIG_ARCH_VERSATILE is not set +CONFIG_ARCH_AT91=y # CONFIG_ARCH_CLPS711X is not set -# CONFIG_ARCH_CO285 is not set # CONFIG_ARCH_EBSA110 is not set +# CONFIG_ARCH_EP93XX is not set +# CONFIG_ARCH_GEMINI is not set # CONFIG_ARCH_FOOTBRIDGE is not set -# CONFIG_ARCH_INTEGRATOR is not set -# CONFIG_ARCH_IOP3XX is not set -# CONFIG_ARCH_IXP4XX is not set +# CONFIG_ARCH_NETX is not set +# CONFIG_ARCH_H720X is not set +# CONFIG_ARCH_IMX is not set +# CONFIG_ARCH_IOP13XX is not set +# CONFIG_ARCH_IOP32X is not set +# CONFIG_ARCH_IOP33X is not set +# CONFIG_ARCH_IXP23XX is not set # CONFIG_ARCH_IXP2000 is not set +# CONFIG_ARCH_IXP4XX is not set # CONFIG_ARCH_L7200 is not set +# CONFIG_ARCH_KIRKWOOD is not set +# CONFIG_ARCH_KS8695 is not set +# CONFIG_ARCH_NS9XXX is not set +# CONFIG_ARCH_LOKI is not set +# CONFIG_ARCH_MV78XX0 is not set +# CONFIG_ARCH_MXC is not set +# CONFIG_ARCH_ORION5X is not set +# CONFIG_ARCH_PNX4008 is not set # CONFIG_ARCH_PXA is not set +# CONFIG_ARCH_MMP is not set # CONFIG_ARCH_RPC is not set # CONFIG_ARCH_SA1100 is not set # CONFIG_ARCH_S3C2410 is not set +# CONFIG_ARCH_S3C64XX is not set # CONFIG_ARCH_SHARK is not set # CONFIG_ARCH_LH7A40X is not set +# CONFIG_ARCH_DAVINCI is not set # CONFIG_ARCH_OMAP is not set -# CONFIG_ARCH_VERSATILE is not set -# CONFIG_ARCH_IMX is not set -# CONFIG_ARCH_H720X is not set -# CONFIG_ARCH_AAEC2000 is not set -CONFIG_ARCH_AT91=y +# CONFIG_ARCH_MSM is not set +# CONFIG_ARCH_W90X900 is not set + +# +# Atmel AT91 System-on-Chip +# CONFIG_ARCH_AT91RM9200=y +# CONFIG_ARCH_AT91SAM9260 is not set +# CONFIG_ARCH_AT91SAM9261 is not set +# CONFIG_ARCH_AT91SAM9263 is not set +# CONFIG_ARCH_AT91SAM9RL is not set +# CONFIG_ARCH_AT91SAM9G20 is not set +# CONFIG_ARCH_AT91CAP9 is not set +# CONFIG_ARCH_AT91X40 is not set +CONFIG_AT91_PMC_UNIT=y # -# AT91RM9200 Implementations +# AT91RM9200 Board Type # +# CONFIG_MACH_ONEARM is not set # CONFIG_ARCH_AT91RM9200DK is not set # CONFIG_MACH_AT91RM9200EK is not set # CONFIG_MACH_CSB337 is not set # CONFIG_MACH_CSB637 is not set # CONFIG_MACH_CARMEVA is not set +# CONFIG_MACH_ATEB9200 is not set CONFIG_MACH_KB9200=y +# CONFIG_MACH_PICOTUX2XX is not set +# CONFIG_MACH_KAFA is not set +# CONFIG_MACH_ECBAT91 is not set +# CONFIG_MACH_YL9200 is not set + +# +# AT91 Board Options +# + +# +# AT91 Feature Selections +# +CONFIG_AT91_PROGRAMMABLE_CLOCKS=y +CONFIG_AT91_TIMER_HZ=128 +CONFIG_AT91_EARLY_DBGU=y +# CONFIG_AT91_EARLY_USART0 is not set +# CONFIG_AT91_EARLY_USART1 is not set +# CONFIG_AT91_EARLY_USART2 is not set +# CONFIG_AT91_EARLY_USART3 is not set +# CONFIG_AT91_EARLY_USART4 is not set +# CONFIG_AT91_EARLY_USART5 is not set # # Processor Type # CONFIG_CPU_32=y CONFIG_CPU_ARM920T=y -CONFIG_CPU_32v4=y +CONFIG_CPU_32v4T=y CONFIG_CPU_ABRT_EV4T=y +CONFIG_CPU_PABRT_NOIFAR=y CONFIG_CPU_CACHE_V4WT=y CONFIG_CPU_CACHE_VIVT=y CONFIG_CPU_COPY_V4WB=y CONFIG_CPU_TLB_V4WBI=y +CONFIG_CPU_CP15=y +CONFIG_CPU_CP15_MMU=y # # Processor Features @@ -112,23 +249,48 @@ CONFIG_ARM_THUMB=y # CONFIG_CPU_ICACHE_DISABLE is not set # CONFIG_CPU_DCACHE_DISABLE is not set # CONFIG_CPU_DCACHE_WRITETHROUGH is not set +# CONFIG_OUTER_CACHE is not set # # Bus support # -CONFIG_ISA_DMA_API=y - -# -# PCCARD (PCMCIA/CardBus) support -# +# CONFIG_PCI_SYSCALL is not set +# CONFIG_ARCH_SUPPORTS_MSI is not set # CONFIG_PCCARD is not set # # Kernel Features # -# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set +CONFIG_TICK_ONESHOT=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +CONFIG_VMSPLIT_3G=y +# CONFIG_VMSPLIT_2G is not set +# CONFIG_VMSPLIT_1G is not set +CONFIG_PAGE_OFFSET=0xC0000000 +CONFIG_PREEMPT=y +CONFIG_HZ=128 +CONFIG_AEABI=y +CONFIG_OABI_COMPAT=y +# CONFIG_ARCH_HAS_HOLES_MEMORYMODEL is not set +# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set +# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set +# CONFIG_HIGHMEM is not set +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_SPLIT_PTLOCK_CPUS=4096 +# CONFIG_PHYS_ADDR_T_64BIT is not set +CONFIG_ZONE_DMA_FLAG=0 +CONFIG_VIRT_TO_BUS=y +CONFIG_UNEVICTABLE_LRU=y +CONFIG_HAVE_MLOCK=y +CONFIG_HAVE_MLOCKED_PAGE_BIT=y # CONFIG_LEDS is not set CONFIG_ALIGNMENT_TRAP=y @@ -137,8 +299,16 @@ CONFIG_ALIGNMENT_TRAP=y # CONFIG_ZBOOT_ROM_TEXT=0x10000000 CONFIG_ZBOOT_ROM_BSS=0x20040000 -CONFIG_ZBOOT_ROM=y -CONFIG_CMDLINE="console=ttyS0,115200 root=/dev/ram rw initrd=0x20210000,654933" +# CONFIG_ZBOOT_ROM is not set +CONFIG_CMDLINE="noinitrd root=/dev/mtdblock0 rootfstype=jffs2 mem=64M" +# CONFIG_XIP_KERNEL is not set +CONFIG_KEXEC=y +CONFIG_ATAGS_PROC=y + +# +# CPU Power Management +# +# CONFIG_CPU_IDLE is not set # # Floating point emulation @@ -149,74 +319,251 @@ CONFIG_CMDLINE="console=ttyS0,115200 root=/dev/ram rw initrd=0x20210000,654933" # CONFIG_FPE_NWFPE=y # CONFIG_FPE_NWFPE_XP is not set +# CONFIG_FPE_FASTFPE is not set # # Userspace binary formats # CONFIG_BINFMT_ELF=y -CONFIG_BINFMT_AOUT=y +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +CONFIG_HAVE_AOUT=y +# CONFIG_BINFMT_AOUT is not set CONFIG_BINFMT_MISC=y -# CONFIG_ARTHUR is not set # # Power management options # # CONFIG_PM is not set +CONFIG_ARCH_SUSPEND_POSSIBLE=y +CONFIG_NET=y # -# Device Drivers +# Networking options # +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set +# CONFIG_INET_XFRM_MODE_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_BEET is not set +# CONFIG_INET_LRO is not set +# CONFIG_INET_DIAG is not set +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set +# CONFIG_IP_DCCP is not set +# CONFIG_IP_SCTP is not set +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_NET_DSA is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set +# CONFIG_PHONET is not set +# CONFIG_NET_SCHED is not set +# CONFIG_DCB is not set # -# Generic Driver Options +# Network testing # -CONFIG_STANDALONE=y -CONFIG_PREVENT_FIRMWARE_BUILD=y -# CONFIG_FW_LOADER is not set -CONFIG_DEBUG_DRIVER=y +# CONFIG_NET_PKTGEN is not set +# CONFIG_NET_DROP_MONITOR is not set +# CONFIG_HAMRADIO is not set +# CONFIG_CAN is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set +# CONFIG_WIRELESS is not set +# CONFIG_WIMAX is not set +# CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set # -# Memory Technology Devices (MTD) +# Device Drivers # -# CONFIG_MTD is not set # -# Parallel port support +# Generic Driver Options # +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +CONFIG_FW_LOADER=y +# CONFIG_FIRMWARE_IN_KERNEL is not set +CONFIG_EXTRA_FIRMWARE="" +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_SYS_HYPERVISOR is not set +# CONFIG_CONNECTOR is not set +CONFIG_MTD=y +# CONFIG_MTD_DEBUG is not set +CONFIG_MTD_CONCAT=y +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_TESTS is not set +# CONFIG_MTD_REDBOOT_PARTS is not set +CONFIG_MTD_CMDLINE_PARTS=y +# CONFIG_MTD_AFS_PARTS is not set +# CONFIG_MTD_AR7_PARTS is not set + +# +# User Modules And Translation Layers +# +CONFIG_MTD_CHAR=y +CONFIG_MTD_BLKDEVS=y +CONFIG_MTD_BLOCK=y +# CONFIG_FTL is not set +# CONFIG_NFTL is not set +# CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set +# CONFIG_MTD_OOPS is not set + +# +# RAM/ROM/Flash chip drivers +# +CONFIG_MTD_CFI=y +# CONFIG_MTD_JEDECPROBE is not set +CONFIG_MTD_GEN_PROBE=y +# CONFIG_MTD_CFI_ADV_OPTIONS is not set +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +CONFIG_MTD_CFI_INTELEXT=y +# CONFIG_MTD_CFI_AMDSTD is not set +# CONFIG_MTD_CFI_STAA is not set +CONFIG_MTD_CFI_UTIL=y +# CONFIG_MTD_RAM is not set +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_ABSENT is not set + +# +# Mapping drivers for chip access +# +CONFIG_MTD_COMPLEX_MAPPINGS=y +CONFIG_MTD_PHYSMAP=y +# CONFIG_MTD_PHYSMAP_COMPAT is not set +# CONFIG_MTD_ARM_INTEGRATOR is not set +# CONFIG_MTD_PLATRAM is not set + +# +# Self-contained MTD device drivers +# +# CONFIG_MTD_SLRAM is not set +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_BLOCK2MTD is not set + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set +CONFIG_MTD_NAND=y +# CONFIG_MTD_NAND_VERIFY_WRITE is not set +# CONFIG_MTD_NAND_ECC_SMC is not set +# CONFIG_MTD_NAND_MUSEUM_IDS is not set +# CONFIG_MTD_NAND_GPIO is not set +CONFIG_MTD_NAND_IDS=y +# CONFIG_MTD_NAND_DISKONCHIP is not set +CONFIG_MTD_NAND_ATMEL=y +# CONFIG_MTD_NAND_ATMEL_ECC_HW is not set +CONFIG_MTD_NAND_ATMEL_ECC_SOFT=y +# CONFIG_MTD_NAND_ATMEL_ECC_NONE is not set +# CONFIG_MTD_NAND_NANDSIM is not set +# CONFIG_MTD_NAND_PLATFORM is not set +# CONFIG_MTD_ALAUDA is not set +# CONFIG_MTD_ONENAND is not set + +# +# LPDDR flash memory drivers +# +# CONFIG_MTD_LPDDR is not set + +# +# UBI - Unsorted block images +# +CONFIG_MTD_UBI=y +CONFIG_MTD_UBI_WL_THRESHOLD=4096 +CONFIG_MTD_UBI_BEB_RESERVE=1 +CONFIG_MTD_UBI_GLUEBI=y + +# +# UBI debugging options +# +# CONFIG_MTD_UBI_DEBUG is not set # CONFIG_PARPORT is not set - -# -# Plug and Play support -# - -# -# Block devices -# +CONFIG_BLK_DEV=y # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=y # CONFIG_BLK_DEV_CRYPTOLOOP is not set -CONFIG_BLK_DEV_NBD=y +# CONFIG_BLK_DEV_NBD is not set # CONFIG_BLK_DEV_UB is not set CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 -CONFIG_BLK_DEV_RAM_SIZE=4096 -CONFIG_BLK_DEV_INITRD=y -CONFIG_INITRAMFS_SOURCE="" +CONFIG_BLK_DEV_RAM_SIZE=16384 +# CONFIG_BLK_DEV_XIP is not set # CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set +CONFIG_MISC_DEVICES=y +CONFIG_ATMEL_TCLIB=y +CONFIG_ATMEL_TCB_CLKSRC=y +CONFIG_ATMEL_TCB_CLKSRC_BLOCK=0 +CONFIG_ATMEL_SSC=y +# CONFIG_ENCLOSURE_SERVICES is not set +# CONFIG_C2PORT is not set # -# IO Schedulers +# EEPROM support # -CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y -# CONFIG_ATA_OVER_ETH is not set +# CONFIG_EEPROM_93CX6 is not set +CONFIG_HAVE_IDE=y +# CONFIG_IDE is not set # # SCSI device support # +# CONFIG_RAID_ATTRS is not set CONFIG_SCSI=y +CONFIG_SCSI_DMA=y +# CONFIG_SCSI_TGT is not set +# CONFIG_SCSI_NETLINK is not set CONFIG_SCSI_PROC_FS=y # @@ -232,145 +579,87 @@ CONFIG_CHR_DEV_SG=y # # Some SCSI devices (e.g. CD jukebox) support multiple LUNs # -# CONFIG_SCSI_MULTI_LUN is not set -# CONFIG_SCSI_CONSTANTS is not set -# CONFIG_SCSI_LOGGING is not set +CONFIG_SCSI_MULTI_LUN=y +CONFIG_SCSI_CONSTANTS=y +CONFIG_SCSI_LOGGING=y +# CONFIG_SCSI_SCAN_ASYNC is not set +CONFIG_SCSI_WAIT_SCAN=m # -# SCSI Transport Attributes +# SCSI Transports # -# CONFIG_SCSI_SPI_ATTRS is not set +CONFIG_SCSI_SPI_ATTRS=m # CONFIG_SCSI_FC_ATTRS is not set # CONFIG_SCSI_ISCSI_ATTRS is not set - -# -# SCSI low-level drivers -# -# CONFIG_SCSI_SATA is not set -# CONFIG_SCSI_DEBUG is not set - -# -# Multi-device support (RAID and LVM) -# +# CONFIG_SCSI_SAS_LIBSAS is not set +# CONFIG_SCSI_SRP_ATTRS is not set +# CONFIG_SCSI_LOWLEVEL is not set +# CONFIG_SCSI_DH is not set +# CONFIG_SCSI_OSD_INITIATOR is not set +# CONFIG_ATA is not set # CONFIG_MD is not set - -# -# Fusion MPT device support -# -# CONFIG_FUSION is not set - -# -# IEEE 1394 (FireWire) support -# - -# -# I2O device support -# - -# -# Networking support -# -CONFIG_NET=y - -# -# Networking options -# -CONFIG_PACKET=y -# CONFIG_PACKET_MMAP is not set -CONFIG_UNIX=y -# CONFIG_NET_KEY is not set -CONFIG_INET=y -CONFIG_IP_MULTICAST=y -# CONFIG_IP_ADVANCED_ROUTER is not set -CONFIG_IP_FIB_HASH=y -CONFIG_IP_PNP=y -CONFIG_IP_PNP_DHCP=y -# CONFIG_IP_PNP_BOOTP is not set -# CONFIG_IP_PNP_RARP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_IP_MROUTE is not set -# CONFIG_SYN_COOKIES is not set -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -# CONFIG_INET_TUNNEL is not set -# CONFIG_IP_TCPDIAG is not set -# CONFIG_IP_TCPDIAG_IPV6 is not set -# CONFIG_TCP_CONG_ADVANCED is not set -CONFIG_TCP_CONG_BIC=y -# CONFIG_IPV6 is not set -# CONFIG_NETFILTER is not set -# CONFIG_BRIDGE is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_DECNET is not set -# CONFIG_LLC2 is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set - -# -# QoS and/or fair queueing -# -# CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set - -# -# Network testing -# -# CONFIG_NET_PKTGEN is not set -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER is not set -# CONFIG_HAMRADIO is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set CONFIG_NETDEVICES=y +CONFIG_COMPAT_NET_DEV_OPS=y # CONFIG_DUMMY is not set # CONFIG_BONDING is not set +# CONFIG_MACVLAN is not set # CONFIG_EQUALIZER is not set # CONFIG_TUN is not set - -# -# Ethernet (10 or 100Mbit) -# +# CONFIG_VETH is not set +# CONFIG_PHYLIB is not set CONFIG_NET_ETHERNET=y CONFIG_MII=y CONFIG_ARM_AT91_ETHER=y +# CONFIG_AX88796 is not set # CONFIG_SMC91X is not set # CONFIG_DM9000 is not set +# CONFIG_ETHOC is not set +# CONFIG_SMC911X is not set +# CONFIG_SMSC911X is not set +# CONFIG_DNET is not set +# CONFIG_IBM_NEW_EMAC_ZMII is not set +# CONFIG_IBM_NEW_EMAC_RGMII is not set +# CONFIG_IBM_NEW_EMAC_TAH is not set +# CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set +# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set +# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set +# CONFIG_B44 is not set +# CONFIG_NETDEV_1000 is not set +# CONFIG_NETDEV_10000 is not set # -# Ethernet (1000 Mbit) -# - -# -# Ethernet (10000 Mbit) -# - -# -# Token Ring devices +# Wireless LAN # +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set # -# Wireless LAN (non-hamradio) +# Enable WiMAX (Networking options) to see the WiMAX drivers # -# CONFIG_NET_RADIO is not set # -# Wan interfaces +# USB Network Adapters # +# CONFIG_USB_CATC is not set +# CONFIG_USB_KAWETH is not set +# CONFIG_USB_PEGASUS is not set +# CONFIG_USB_RTL8150 is not set +# CONFIG_USB_USBNET is not set # CONFIG_WAN is not set # CONFIG_PPP is not set # CONFIG_SLIP is not set - -# -# ISDN subsystem -# +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set # CONFIG_ISDN is not set # # Input device support # CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set +# CONFIG_INPUT_POLLDEV is not set # # Userland interfaces @@ -380,7 +669,6 @@ CONFIG_INPUT_MOUSEDEV=y CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 # CONFIG_INPUT_JOYDEV is not set -# CONFIG_INPUT_TSDEV is not set # CONFIG_INPUT_EVDEV is not set # CONFIG_INPUT_EVBUG is not set @@ -390,23 +678,25 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 # CONFIG_INPUT_KEYBOARD is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set # CONFIG_INPUT_TOUCHSCREEN is not set # CONFIG_INPUT_MISC is not set # # Hardware I/O ports # -CONFIG_SERIO=y -# CONFIG_SERIO_SERPORT is not set -# CONFIG_SERIO_RAW is not set +# CONFIG_SERIO is not set # CONFIG_GAMEPORT is not set # # Character devices # CONFIG_VT=y +CONFIG_CONSOLE_TRANSLATIONS=y CONFIG_VT_CONSOLE=y CONFIG_HW_CONSOLE=y +# CONFIG_VT_HW_CONSOLE_BINDING is not set +CONFIG_DEVKMEM=y # CONFIG_SERIAL_NONSTANDARD is not set # @@ -419,215 +709,362 @@ CONFIG_HW_CONSOLE=y # CONFIG_SERIAL_ATMEL=y CONFIG_SERIAL_ATMEL_CONSOLE=y +CONFIG_SERIAL_ATMEL_PDC=y +# CONFIG_SERIAL_ATMEL_TTYAT is not set CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y CONFIG_UNIX98_PTYS=y -CONFIG_LEGACY_PTYS=y -CONFIG_LEGACY_PTY_COUNT=256 +# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set +# CONFIG_LEGACY_PTYS is not set +# CONFIG_IPMI_HANDLER is not set +# CONFIG_HW_RANDOM is not set +# CONFIG_R3964 is not set +# CONFIG_RAW_DRIVER is not set +# CONFIG_TCG_TPM is not set +# CONFIG_I2C is not set +# CONFIG_SPI is not set +CONFIG_ARCH_REQUIRE_GPIOLIB=y +CONFIG_GPIOLIB=y +# CONFIG_DEBUG_GPIO is not set +# CONFIG_GPIO_SYSFS is not set # -# IPMI +# Memory mapped GPIO expanders: # -# CONFIG_IPMI_HANDLER is not set # -# Watchdog Cards +# I2C GPIO expanders: # -# CONFIG_WATCHDOG is not set -# CONFIG_NVRAM is not set -# CONFIG_RTC is not set -# CONFIG_AT91RM9200_RTC is not set -# CONFIG_DTLK is not set -# CONFIG_R3964 is not set # -# Ftape, the floppy tape device driver +# PCI GPIO expanders: # -# CONFIG_RAW_DRIVER is not set # -# TPM devices +# SPI GPIO expanders: # -# CONFIG_AT91_SPI is not set +# CONFIG_W1 is not set +# CONFIG_POWER_SUPPLY is not set +# CONFIG_HWMON is not set +# CONFIG_THERMAL is not set +# CONFIG_THERMAL_HWMON is not set +CONFIG_WATCHDOG=y +# CONFIG_WATCHDOG_NOWAYOUT is not set # -# I2C support +# Watchdog Device Drivers # -# CONFIG_I2C is not set +# CONFIG_SOFT_WATCHDOG is not set +CONFIG_AT91RM9200_WATCHDOG=y + +# +# USB-based Watchdog Cards +# +# CONFIG_USBPCWATCHDOG is not set +CONFIG_SSB_POSSIBLE=y # -# Misc devices +# Sonics Silicon Backplane # +# CONFIG_SSB is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_CORE is not set +# CONFIG_MFD_SM501 is not set +# CONFIG_MFD_ASIC3 is not set +# CONFIG_HTC_EGPIO is not set +# CONFIG_HTC_PASIC3 is not set +# CONFIG_MFD_TMIO is not set +# CONFIG_MFD_T7L66XB is not set +# CONFIG_MFD_TC6387XB is not set +# CONFIG_MFD_TC6393XB is not set # # Multimedia devices # + +# +# Multimedia core support +# # CONFIG_VIDEO_DEV is not set +# CONFIG_DVB_CORE is not set +# CONFIG_VIDEO_MEDIA is not set # -# Digital Video Broadcasting Devices +# Multimedia drivers # -# CONFIG_DVB is not set +# CONFIG_DAB is not set # # Graphics support # -# CONFIG_FB is not set +# CONFIG_VGASTATE is not set +# CONFIG_VIDEO_OUTPUT_CONTROL is not set +CONFIG_FB=y +# CONFIG_FIRMWARE_EDID is not set +# CONFIG_FB_DDC is not set +# CONFIG_FB_BOOT_VESA_SUPPORT is not set +# CONFIG_FB_CFB_FILLRECT is not set +# CONFIG_FB_CFB_COPYAREA is not set +# CONFIG_FB_CFB_IMAGEBLIT is not set +# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set +# CONFIG_FB_SYS_FILLRECT is not set +# CONFIG_FB_SYS_COPYAREA is not set +# CONFIG_FB_SYS_IMAGEBLIT is not set +# CONFIG_FB_FOREIGN_ENDIAN is not set +# CONFIG_FB_SYS_FOPS is not set +# CONFIG_FB_SVGALIB is not set +# CONFIG_FB_MACMODES is not set +# CONFIG_FB_BACKLIGHT is not set +CONFIG_FB_MODE_HELPERS=y +CONFIG_FB_TILEBLITTING=y + +# +# Frame buffer hardware drivers +# +# CONFIG_FB_S1D13XXX is not set +# CONFIG_FB_VIRTUAL is not set +# CONFIG_FB_METRONOME is not set +# CONFIG_FB_MB862XX is not set +# CONFIG_FB_BROADSHEET is not set +CONFIG_BACKLIGHT_LCD_SUPPORT=y +# CONFIG_LCD_CLASS_DEVICE is not set +CONFIG_BACKLIGHT_CLASS_DEVICE=y +# CONFIG_BACKLIGHT_GENERIC is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set # # Console display driver support # # CONFIG_VGA_CONSOLE is not set CONFIG_DUMMY_CONSOLE=y - -# -# Sound -# +CONFIG_FRAMEBUFFER_CONSOLE=y +# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set +# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set +CONFIG_FONTS=y +# CONFIG_FONT_8x8 is not set +# CONFIG_FONT_8x16 is not set +# CONFIG_FONT_6x11 is not set +# CONFIG_FONT_7x14 is not set +# CONFIG_FONT_PEARL_8x8 is not set +# CONFIG_FONT_ACORN_8x8 is not set +CONFIG_FONT_MINI_4x6=y +# CONFIG_FONT_SUN8x16 is not set +# CONFIG_FONT_SUN12x22 is not set +# CONFIG_FONT_10x18 is not set +# CONFIG_LOGO is not set # CONFIG_SOUND is not set - -# -# USB support -# +# CONFIG_HID_SUPPORT is not set +CONFIG_USB_SUPPORT=y CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y +# CONFIG_USB_ARCH_HAS_EHCI is not set CONFIG_USB=y -CONFIG_USB_DEBUG=y +# CONFIG_USB_DEBUG is not set +# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set # # Miscellaneous USB options # CONFIG_USB_DEVICEFS=y +CONFIG_USB_DEVICE_CLASS=y +# CONFIG_USB_DYNAMIC_MINORS is not set +# CONFIG_USB_OTG is not set +# CONFIG_USB_MON is not set +# CONFIG_USB_WUSB is not set +# CONFIG_USB_WUSB_CBAF is not set # # USB Host Controller Drivers # +# CONFIG_USB_C67X00_HCD is not set +# CONFIG_USB_OXU210HP_HCD is not set # CONFIG_USB_ISP116X_HCD is not set +# CONFIG_USB_ISP1760_HCD is not set CONFIG_USB_OHCI_HCD=y -# CONFIG_USB_OHCI_BIG_ENDIAN is not set +# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set +# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set CONFIG_USB_OHCI_LITTLE_ENDIAN=y # CONFIG_USB_SL811_HCD is not set +# CONFIG_USB_R8A66597_HCD is not set +# CONFIG_USB_HWA_HCD is not set +# CONFIG_USB_MUSB_HDRC is not set # # USB Device Class drivers # -# CONFIG_USB_BLUETOOTH_TTY is not set # CONFIG_USB_ACM is not set # CONFIG_USB_PRINTER is not set +# CONFIG_USB_WDM is not set +# CONFIG_USB_TMC is not set # -# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information +# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may # -CONFIG_USB_STORAGE=y -CONFIG_USB_STORAGE_DEBUG=y -# CONFIG_USB_STORAGE_FREECOM is not set -# CONFIG_USB_STORAGE_DPCM is not set - -# -# USB Input Devices -# -# CONFIG_USB_HID is not set # -# USB HID Boot Protocol drivers +# also be needed; see USB_STORAGE Help for more info # -# CONFIG_USB_KBD is not set -# CONFIG_USB_MOUSE is not set -# CONFIG_USB_AIPTEK is not set -# CONFIG_USB_WACOM is not set -# CONFIG_USB_ACECAD is not set -# CONFIG_USB_KBTAB is not set -# CONFIG_USB_POWERMATE is not set -# CONFIG_USB_MTOUCH is not set -# CONFIG_USB_ITMTOUCH is not set -# CONFIG_USB_EGALAX is not set -# CONFIG_USB_XPAD is not set -# CONFIG_USB_ATI_REMOTE is not set +CONFIG_USB_STORAGE=y +# CONFIG_USB_STORAGE_DEBUG is not set +# CONFIG_USB_STORAGE_DATAFAB is not set +# CONFIG_USB_STORAGE_FREECOM is not set +# CONFIG_USB_STORAGE_ISD200 is not set +# CONFIG_USB_STORAGE_USBAT is not set +# CONFIG_USB_STORAGE_SDDR09 is not set +# CONFIG_USB_STORAGE_SDDR55 is not set +# CONFIG_USB_STORAGE_JUMPSHOT is not set +# CONFIG_USB_STORAGE_ALAUDA is not set +# CONFIG_USB_STORAGE_ONETOUCH is not set +# CONFIG_USB_STORAGE_KARMA is not set +# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set +CONFIG_USB_LIBUSUAL=y # # USB Imaging devices # +# CONFIG_USB_MDC800 is not set # CONFIG_USB_MICROTEK is not set # -# USB Multimedia devices +# USB port drivers # -# CONFIG_USB_DABUSB is not set +# CONFIG_USB_SERIAL is not set # -# Video4Linux support is needed for USB Multimedia device support +# USB Miscellaneous drivers # +# CONFIG_USB_EMI62 is not set +# CONFIG_USB_EMI26 is not set +# CONFIG_USB_ADUTUX is not set +# CONFIG_USB_SEVSEG is not set +# CONFIG_USB_RIO500 is not set +# CONFIG_USB_LEGOTOWER is not set +# CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set +# CONFIG_USB_LED is not set +# CONFIG_USB_CYPRESS_CY7C63 is not set +# CONFIG_USB_CYTHERM is not set +# CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set +# CONFIG_USB_APPLEDISPLAY is not set +# CONFIG_USB_LD is not set +# CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set +# CONFIG_USB_TEST is not set +# CONFIG_USB_ISIGHTFW is not set +# CONFIG_USB_VST is not set +# CONFIG_USB_GADGET is not set # -# USB Network Adapters +# OTG and related infrastructure # -# CONFIG_USB_KAWETH is not set -# CONFIG_USB_PEGASUS is not set -# CONFIG_USB_USBNET is not set -# CONFIG_USB_MON is not set +# CONFIG_USB_GPIO_VBUS is not set +# CONFIG_NOP_USB_XCEIV is not set +CONFIG_MMC=y +# CONFIG_MMC_DEBUG is not set +# CONFIG_MMC_UNSAFE_RESUME is not set # -# USB port drivers +# MMC/SD/SDIO Card Drivers # +CONFIG_MMC_BLOCK=y +CONFIG_MMC_BLOCK_BOUNCE=y +# CONFIG_SDIO_UART is not set +# CONFIG_MMC_TEST is not set # -# USB Serial Converter support +# MMC/SD/SDIO Host Controller Drivers # -# CONFIG_USB_SERIAL is not set +# CONFIG_MMC_SDHCI is not set +CONFIG_MMC_AT91=y +# CONFIG_MEMSTICK is not set +# CONFIG_ACCESSIBILITY is not set +# CONFIG_NEW_LEDS is not set +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +# CONFIG_RTC_DEBUG is not set # -# USB Miscellaneous drivers +# RTC interfaces # -# CONFIG_USB_EMI62 is not set -# CONFIG_USB_EMI26 is not set -# CONFIG_USB_LCD is not set -# CONFIG_USB_LED is not set -# CONFIG_USB_CYTHERM is not set -# CONFIG_USB_PHIDGETKIT is not set -# CONFIG_USB_PHIDGETSERVO is not set -# CONFIG_USB_IDMOUSE is not set +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set # -# USB DSL modem support +# SPI RTC drivers # # -# USB Gadget Support +# Platform RTC drivers # -# CONFIG_USB_GADGET is not set +# CONFIG_RTC_DRV_CMOS is not set +# CONFIG_RTC_DRV_DS1286 is not set +# CONFIG_RTC_DRV_DS1511 is not set +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_STK17TA8 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T35 is not set +# CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_BQ4802 is not set +# CONFIG_RTC_DRV_V3020 is not set # -# MMC/SD Card support +# on-CPU RTC drivers # -# CONFIG_MMC is not set +CONFIG_RTC_DRV_AT91RM9200=y +# CONFIG_DMADEVICES is not set +# CONFIG_AUXDISPLAY is not set +# CONFIG_REGULATOR is not set +# CONFIG_UIO is not set +# CONFIG_STAGING is not set # # File systems # CONFIG_EXT2_FS=y -CONFIG_EXT2_FS_XATTR=y -# CONFIG_EXT2_FS_POSIX_ACL is not set -# CONFIG_EXT2_FS_SECURITY is not set +# CONFIG_EXT2_FS_XATTR is not set # CONFIG_EXT2_FS_XIP is not set CONFIG_EXT3_FS=y +# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set CONFIG_EXT3_FS_XATTR=y # CONFIG_EXT3_FS_POSIX_ACL is not set # CONFIG_EXT3_FS_SECURITY is not set +# CONFIG_EXT4_FS is not set CONFIG_JBD=y # CONFIG_JBD_DEBUG is not set CONFIG_FS_MBCACHE=y # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +CONFIG_FILE_LOCKING=y +# CONFIG_XFS_FS is not set +# CONFIG_OCFS2_FS is not set +# CONFIG_BTRFS_FS is not set +# CONFIG_DNOTIFY is not set +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set # -# XFS support +# Caches # -# CONFIG_XFS_FS is not set -# CONFIG_MINIX_FS is not set -# CONFIG_ROMFS_FS is not set -# CONFIG_QUOTA is not set -CONFIG_DNOTIFY=y -CONFIG_AUTOFS_FS=y -CONFIG_AUTOFS4_FS=y +# CONFIG_FSCACHE is not set # # CD-ROM/DVD Filesystems @@ -639,7 +1076,7 @@ CONFIG_AUTOFS4_FS=y # DOS/FAT/NT Filesystems # CONFIG_FAT_FS=y -CONFIG_MSDOS_FS=y +# CONFIG_MSDOS_FS is not set CONFIG_VFAT_FS=y CONFIG_FAT_DEFAULT_CODEPAGE=437 CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" @@ -649,53 +1086,70 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # Pseudo filesystems # CONFIG_PROC_FS=y +CONFIG_PROC_SYSCTL=y +CONFIG_PROC_PAGE_MONITOR=y CONFIG_SYSFS=y -CONFIG_DEVPTS_FS_XATTR=y -# CONFIG_DEVPTS_FS_SECURITY is not set CONFIG_TMPFS=y -# CONFIG_TMPFS_XATTR is not set +# CONFIG_TMPFS_POSIX_ACL is not set # CONFIG_HUGETLB_PAGE is not set -CONFIG_RAMFS=y - -# -# Miscellaneous filesystems -# +CONFIG_CONFIGFS_FS=y +CONFIG_MISC_FILESYSTEMS=y +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set # CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +CONFIG_JFFS2_FS=y +CONFIG_JFFS2_FS_DEBUG=0 +CONFIG_JFFS2_FS_WRITEBUFFER=y +# CONFIG_JFFS2_FS_WBUF_VERIFY is not set +# CONFIG_JFFS2_SUMMARY is not set +# CONFIG_JFFS2_FS_XATTR is not set +# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set +CONFIG_JFFS2_ZLIB=y +# CONFIG_JFFS2_LZO is not set +CONFIG_JFFS2_RTIME=y +# CONFIG_JFFS2_RUBIN is not set +# CONFIG_UBIFS_FS is not set # CONFIG_CRAMFS is not set +# CONFIG_SQUASHFS is not set # CONFIG_VXFS_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_OMFS_FS is not set # CONFIG_HPFS_FS is not set # CONFIG_QNX4FS_FS is not set +# CONFIG_ROMFS_FS is not set # CONFIG_SYSV_FS is not set # CONFIG_UFS_FS is not set - -# -# Network File Systems -# +# CONFIG_NILFS2_FS is not set +CONFIG_NETWORK_FILESYSTEMS=y CONFIG_NFS_FS=y CONFIG_NFS_V3=y # CONFIG_NFS_V3_ACL is not set -# CONFIG_NFSD is not set +# CONFIG_NFS_V4 is not set CONFIG_ROOT_NFS=y +# CONFIG_NFSD is not set CONFIG_LOCKD=y CONFIG_LOCKD_V4=y CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y +# CONFIG_RPCSEC_GSS_KRB5 is not set +# CONFIG_RPCSEC_GSS_SPKM3 is not set # CONFIG_SMB_FS is not set # CONFIG_CIFS is not set # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set # # Partition Types # # CONFIG_PARTITION_ADVANCED is not set CONFIG_MSDOS_PARTITION=y - -# -# Native Language Support -# CONFIG_NLS=y -CONFIG_NLS_DEFAULT="utf8" +CONFIG_NLS_DEFAULT="iso8859-1" CONFIG_NLS_CODEPAGE_437=y # CONFIG_NLS_CODEPAGE_737 is not set # CONFIG_NLS_CODEPAGE_775 is not set @@ -719,7 +1173,7 @@ CONFIG_NLS_CODEPAGE_437=y # CONFIG_NLS_ISO8859_8 is not set # CONFIG_NLS_CODEPAGE_1250 is not set # CONFIG_NLS_CODEPAGE_1251 is not set -CONFIG_NLS_ASCII=y +# CONFIG_NLS_ASCII is not set # CONFIG_NLS_ISO8859_1 is not set # CONFIG_NLS_ISO8859_2 is not set # CONFIG_NLS_ISO8859_3 is not set @@ -733,47 +1187,119 @@ CONFIG_NLS_ASCII=y # CONFIG_NLS_ISO8859_15 is not set # CONFIG_NLS_KOI8_R is not set # CONFIG_NLS_KOI8_U is not set -# CONFIG_NLS_UTF8 is not set +CONFIG_NLS_UTF8=y +# CONFIG_DLM is not set # # Kernel hacking # # CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_WARN_DEPRECATED=y +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_FRAME_WARN=1024 +CONFIG_MAGIC_SYSRQ=y +# CONFIG_UNUSED_SYMBOLS is not set +CONFIG_DEBUG_FS=y +# CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y -# CONFIG_MAGIC_SYSRQ is not set -CONFIG_LOG_BUF_SHIFT=14 +# CONFIG_DEBUG_SHIRQ is not set +CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set +CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0 +CONFIG_DETECT_HUNG_TASK=y +# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set +CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0 +# CONFIG_SCHED_DEBUG is not set # CONFIG_SCHEDSTATS is not set -# CONFIG_DEBUG_SLAB is not set +# CONFIG_TIMER_STATS is not set +# CONFIG_DEBUG_OBJECTS is not set +# CONFIG_SLUB_DEBUG_ON is not set +# CONFIG_SLUB_STATS is not set +# CONFIG_DEBUG_PREEMPT is not set +# CONFIG_DEBUG_RT_MUTEXES is not set +# CONFIG_RT_MUTEX_TESTER is not set # CONFIG_DEBUG_SPINLOCK is not set +# CONFIG_DEBUG_MUTEXES is not set +# CONFIG_DEBUG_LOCK_ALLOC is not set +# CONFIG_PROVE_LOCKING is not set +# CONFIG_LOCK_STAT is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set # CONFIG_DEBUG_KOBJECT is not set CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_INFO is not set -# CONFIG_DEBUG_FS is not set -CONFIG_FRAME_POINTER=y -CONFIG_DEBUG_USER=y -CONFIG_DEBUG_ERRORS=y -CONFIG_DEBUG_LL=y -# CONFIG_DEBUG_ICEDCC is not set +# CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_WRITECOUNT is not set +CONFIG_DEBUG_MEMORY_INIT=y +# CONFIG_DEBUG_LIST is not set +# CONFIG_DEBUG_SG is not set +# CONFIG_DEBUG_NOTIFIERS is not set +# CONFIG_BOOT_PRINTK_DELAY is not set +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_RCU_CPU_STALL_DETECTOR is not set +# CONFIG_BACKTRACE_SELF_TEST is not set +# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set +# CONFIG_FAULT_INJECTION is not set +# CONFIG_LATENCYTOP is not set +# CONFIG_SYSCTL_SYSCALL_CHECK is not set +# CONFIG_PAGE_POISONING is not set +CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_TRACING_SUPPORT=y + +# +# Tracers +# +# CONFIG_FUNCTION_TRACER is not set +# CONFIG_IRQSOFF_TRACER is not set +# CONFIG_PREEMPT_TRACER is not set +# CONFIG_SCHED_TRACER is not set +# CONFIG_CONTEXT_SWITCH_TRACER is not set +# CONFIG_EVENT_TRACER is not set +# CONFIG_BOOT_TRACER is not set +# CONFIG_TRACE_BRANCH_PROFILING is not set +# CONFIG_STACK_TRACER is not set +# CONFIG_KMEMTRACE is not set +# CONFIG_WORKQUEUE_TRACER is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_DYNAMIC_DEBUG is not set +# CONFIG_SAMPLES is not set +CONFIG_HAVE_ARCH_KGDB=y +# CONFIG_KGDB is not set +CONFIG_ARM_UNWIND=y +# CONFIG_DEBUG_USER is not set +# CONFIG_DEBUG_ERRORS is not set +# CONFIG_DEBUG_STACK_USAGE is not set +# CONFIG_DEBUG_LL is not set # # Security options # # CONFIG_KEYS is not set # CONFIG_SECURITY is not set - -# -# Cryptographic options -# +# CONFIG_SECURITYFS is not set +# CONFIG_SECURITY_FILE_CAPABILITIES is not set # CONFIG_CRYPTO is not set - -# -# Hardware crypto devices -# +# CONFIG_BINARY_PRINTF is not set # # Library routines # +CONFIG_BITREVERSE=y +CONFIG_GENERIC_FIND_LAST_BIT=y # CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set +# CONFIG_CRC_T10DIF is not set +# CONFIG_CRC_ITU_T is not set CONFIG_CRC32=y +# CONFIG_CRC7 is not set # CONFIG_LIBCRC32C is not set +CONFIG_AUDIT_GENERIC=y +CONFIG_ZLIB_INFLATE=y +CONFIG_ZLIB_DEFLATE=y +CONFIG_DECOMPRESS_GZIP=y +CONFIG_DECOMPRESS_BZIP2=y +CONFIG_DECOMPRESS_LZMA=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y +CONFIG_NLATTR=y diff --git a/arch/arm/configs/u300_defconfig b/arch/arm/configs/u300_defconfig index 2d827e1..4762d90 100644 --- a/arch/arm/configs/u300_defconfig +++ b/arch/arm/configs/u300_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.30-rc6 -# Mon Jun 1 09:18:22 2009 +# Linux kernel version: 2.6.31-rc1 +# Thu Jul 2 00:16:59 2009 # CONFIG_ARM=y CONFIG_SYS_SUPPORTS_APM_EMULATION=y @@ -9,7 +9,7 @@ CONFIG_GENERIC_GPIO=y CONFIG_GENERIC_TIME=y CONFIG_GENERIC_CLOCKEVENTS=y CONFIG_MMU=y -# CONFIG_NO_IOPORT is not set +CONFIG_HAVE_TCM=y CONFIG_GENERIC_HARDIRQS=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_HAVE_LATENCYTOP_SUPPORT=y @@ -18,13 +18,12 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y CONFIG_HARDIRQS_SW_RESEND=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_RWSEM_GENERIC_SPINLOCK=y -# CONFIG_ARCH_HAS_ILOG2_U32 is not set -# CONFIG_ARCH_HAS_ILOG2_U64 is not set CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y CONFIG_VECTORS_BASE=0xffff0000 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" +CONFIG_CONSTRUCTORS=y # # General setup @@ -68,7 +67,6 @@ CONFIG_SYSCTL_SYSCALL=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set -# CONFIG_STRIP_ASM_SYMS is not set CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y @@ -81,8 +79,13 @@ CONFIG_TIMERFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y # CONFIG_AIO is not set + +# +# Performance Counters +# # CONFIG_VM_EVENT_COUNTERS is not set CONFIG_SLUB_DEBUG=y +# CONFIG_STRIP_ASM_SYMS is not set CONFIG_COMPAT_BRK=y # CONFIG_SLAB is not set CONFIG_SLUB=y @@ -94,6 +97,10 @@ CONFIG_HAVE_OPROFILE=y CONFIG_HAVE_KPROBES=y CONFIG_HAVE_KRETPROBES=y CONFIG_HAVE_CLK=y + +# +# GCOV-based kernel profiling +# # CONFIG_SLOW_WORK is not set CONFIG_HAVE_GENERIC_DMA_COHERENT=y CONFIG_SLABINFO=y @@ -106,7 +113,7 @@ CONFIG_MODULE_UNLOAD=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set CONFIG_BLOCK=y -# CONFIG_LBD is not set +CONFIG_LBDAF=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_BLK_DEV_INTEGRITY is not set @@ -138,9 +145,9 @@ CONFIG_DEFAULT_IOSCHED="deadline" # CONFIG_ARCH_EP93XX is not set # CONFIG_ARCH_FOOTBRIDGE is not set # CONFIG_ARCH_MXC is not set +# CONFIG_ARCH_STMP3XXX is not set # CONFIG_ARCH_NETX is not set # CONFIG_ARCH_H720X is not set -# CONFIG_ARCH_IMX is not set # CONFIG_ARCH_IOP13XX is not set # CONFIG_ARCH_IOP32X is not set # CONFIG_ARCH_IOP33X is not set @@ -216,8 +223,8 @@ CONFIG_ARM_THUMB=y # CONFIG_CPU_DCACHE_DISABLE is not set # CONFIG_CPU_DCACHE_WRITETHROUGH is not set # CONFIG_CPU_CACHE_ROUND_ROBIN is not set -# CONFIG_OUTER_CACHE is not set CONFIG_ARM_VIC=y +CONFIG_ARM_VIC_NR=2 CONFIG_COMMON_CLKDEV=y # @@ -243,7 +250,6 @@ CONFIG_PREEMPT=y CONFIG_HZ=100 CONFIG_AEABI=y CONFIG_OABI_COMPAT=y -CONFIG_ARCH_FLATMEM_HAS_HOLES=y # CONFIG_ARCH_SPARSEMEM_DEFAULT is not set # CONFIG_ARCH_SELECT_MEMORY_MODEL is not set # CONFIG_HIGHMEM is not set @@ -258,17 +264,18 @@ CONFIG_SPLIT_PTLOCK_CPUS=4096 # CONFIG_PHYS_ADDR_T_64BIT is not set CONFIG_ZONE_DMA_FLAG=0 CONFIG_VIRT_TO_BUS=y -CONFIG_UNEVICTABLE_LRU=y CONFIG_HAVE_MLOCK=y CONFIG_HAVE_MLOCKED_PAGE_BIT=y +CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 CONFIG_ALIGNMENT_TRAP=y +# CONFIG_UACCESS_WITH_MEMCPY is not set # # Boot options # CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 -CONFIG_CMDLINE="root=/dev/mtdblock2 rw rootfstype=yaffs2 console=ttyAMA0,115200n8 ab3100.force=0,0x48 mtdparts=u300nand:128k@0x0(bootrecords)ro,8064k@128k(free)ro,253952k@8192k(platform) lpj=515072" +CONFIG_CMDLINE="root=/dev/ram0 rw rootfstype=rootfs console=ttyAMA0,115200n8 lpj=515072" # CONFIG_XIP_KERNEL is not set # CONFIG_KEXEC is not set @@ -359,6 +366,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set # CONFIG_PHONET is not set +# CONFIG_IEEE802154 is not set # CONFIG_NET_SCHED is not set # CONFIG_DCB is not set @@ -497,6 +505,7 @@ CONFIG_MISC_DEVICES=y # CONFIG_EEPROM_AT24 is not set # CONFIG_EEPROM_AT25 is not set # CONFIG_EEPROM_LEGACY is not set +# CONFIG_EEPROM_MAX6875 is not set # CONFIG_EEPROM_93CX6 is not set CONFIG_HAVE_IDE=y # CONFIG_IDE is not set @@ -538,6 +547,7 @@ CONFIG_INPUT_KEYBOARD=y # CONFIG_KEYBOARD_XTKBD is not set # CONFIG_KEYBOARD_NEWTON is not set # CONFIG_KEYBOARD_STOWAWAY is not set +# CONFIG_KEYBOARD_LM8323 is not set # CONFIG_KEYBOARD_GPIO is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_INPUT_JOYSTICK is not set @@ -597,9 +607,11 @@ CONFIG_I2C_HELPER_AUTO=y # # I2C system bus drivers (mostly embedded / system-on-chip) # +# CONFIG_I2C_DESIGNWARE is not set # CONFIG_I2C_GPIO is not set # CONFIG_I2C_OCORES is not set # CONFIG_I2C_SIMTEC is not set +CONFIG_I2C_STU300=y # # External I2C/SMBus adapter drivers @@ -620,7 +632,6 @@ CONFIG_I2C_HELPER_AUTO=y # CONFIG_SENSORS_PCF8574 is not set # CONFIG_PCF8575 is not set # CONFIG_SENSORS_PCA9539 is not set -# CONFIG_SENSORS_MAX6875 is not set # CONFIG_SENSORS_TSL2550 is not set # CONFIG_I2C_DEBUG_CORE is not set # CONFIG_I2C_DEBUG_ALGO is not set @@ -635,6 +646,7 @@ CONFIG_SPI_MASTER=y # # CONFIG_SPI_BITBANG is not set # CONFIG_SPI_GPIO is not set +CONFIG_SPI_PL022=y # # SPI Protocol Masters @@ -647,6 +659,7 @@ CONFIG_POWER_SUPPLY=y # CONFIG_PDA_POWER is not set # CONFIG_BATTERY_DS2760 is not set # CONFIG_BATTERY_BQ27x00 is not set +# CONFIG_BATTERY_MAX17040 is not set # CONFIG_HWMON is not set # CONFIG_THERMAL is not set # CONFIG_THERMAL_HWMON is not set @@ -657,6 +670,7 @@ CONFIG_WATCHDOG=y # Watchdog Device Drivers # # CONFIG_SOFT_WATCHDOG is not set +CONFIG_COH901327_WATCHDOG=y CONFIG_SSB_POSSIBLE=y # @@ -678,22 +692,9 @@ CONFIG_SSB_POSSIBLE=y # CONFIG_MFD_WM8400 is not set # CONFIG_MFD_WM8350_I2C is not set # CONFIG_MFD_PCF50633 is not set - -# -# Multimedia devices -# - -# -# Multimedia core support -# -# CONFIG_VIDEO_DEV is not set -# CONFIG_DVB_CORE is not set -# CONFIG_VIDEO_MEDIA is not set - -# -# Multimedia drivers -# -# CONFIG_DAB is not set +CONFIG_AB3100_CORE=y +# CONFIG_EZX_PCAP is not set +# CONFIG_MEDIA_SUPPORT is not set # # Graphics support @@ -760,6 +761,11 @@ CONFIG_SND_JACK=y # CONFIG_SND_VERBOSE_PROCFS is not set # CONFIG_SND_VERBOSE_PRINTK is not set # CONFIG_SND_DEBUG is not set +# CONFIG_SND_RAWMIDI_SEQ is not set +# CONFIG_SND_OPL3_LIB_SEQ is not set +# CONFIG_SND_OPL4_LIB_SEQ is not set +# CONFIG_SND_SBAWE_SEQ is not set +# CONFIG_SND_EMU10K1_SEQ is not set # CONFIG_SND_DRIVERS is not set # CONFIG_SND_ARM is not set # CONFIG_SND_SPI is not set @@ -770,7 +776,7 @@ CONFIG_SND_SOC_I2C_AND_SPI=y # CONFIG_HID_SUPPORT is not set # CONFIG_USB_SUPPORT is not set CONFIG_MMC=y -# CONFIG_MMC_DEBUG is not set +CONFIG_MMC_DEBUG=y # CONFIG_MMC_UNSAFE_RESUME is not set # @@ -797,7 +803,7 @@ CONFIG_LEDS_CLASS=y # # CONFIG_LEDS_PCA9532 is not set # CONFIG_LEDS_GPIO is not set -# CONFIG_LEDS_LP5521 is not set +# CONFIG_LEDS_LP3944 is not set # CONFIG_LEDS_PCA955X is not set # CONFIG_LEDS_DAC124S085 is not set # CONFIG_LEDS_BD2802 is not set @@ -845,6 +851,7 @@ CONFIG_RTC_INTF_DEV=y # CONFIG_RTC_DRV_S35390A is not set # CONFIG_RTC_DRV_FM3130 is not set # CONFIG_RTC_DRV_RX8581 is not set +# CONFIG_RTC_DRV_RX8025 is not set # # SPI RTC drivers @@ -887,7 +894,10 @@ CONFIG_REGULATOR=y # CONFIG_REGULATOR_DEBUG is not set # CONFIG_REGULATOR_FIXED_VOLTAGE is not set # CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set +# CONFIG_REGULATOR_USERSPACE_CONSUMER is not set # CONFIG_REGULATOR_BQ24022 is not set +# CONFIG_REGULATOR_MAX1586 is not set +# CONFIG_REGULATOR_LP3971 is not set # CONFIG_UIO is not set # CONFIG_STAGING is not set @@ -900,16 +910,20 @@ CONFIG_REGULATOR=y # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set # CONFIG_FS_POSIX_ACL is not set -CONFIG_FILE_LOCKING=y # CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set # CONFIG_OCFS2_FS is not set # CONFIG_BTRFS_FS is not set +CONFIG_FILE_LOCKING=y +CONFIG_FSNOTIFY=y # CONFIG_DNOTIFY is not set # CONFIG_INOTIFY is not set +CONFIG_INOTIFY_USER=y # CONFIG_QUOTA is not set # CONFIG_AUTOFS_FS is not set # CONFIG_AUTOFS4_FS is not set CONFIG_FUSE_FS=y +# CONFIG_CUSE is not set # # Caches @@ -1033,6 +1047,7 @@ CONFIG_TIMER_STATS=y # CONFIG_DEBUG_OBJECTS is not set # CONFIG_SLUB_DEBUG_ON is not set # CONFIG_SLUB_STATS is not set +# CONFIG_DEBUG_KMEMLEAK is not set # CONFIG_DEBUG_PREEMPT is not set # CONFIG_DEBUG_RT_MUTEXES is not set # CONFIG_RT_MUTEX_TESTER is not set @@ -1063,18 +1078,16 @@ CONFIG_DEBUG_INFO=y # CONFIG_PAGE_POISONING is not set CONFIG_HAVE_FUNCTION_TRACER=y CONFIG_TRACING_SUPPORT=y - -# -# Tracers -# +CONFIG_FTRACE=y # CONFIG_FUNCTION_TRACER is not set # CONFIG_IRQSOFF_TRACER is not set # CONFIG_PREEMPT_TRACER is not set # CONFIG_SCHED_TRACER is not set -# CONFIG_CONTEXT_SWITCH_TRACER is not set -# CONFIG_EVENT_TRACER is not set +# CONFIG_ENABLE_DEFAULT_TRACERS is not set # CONFIG_BOOT_TRACER is not set -# CONFIG_TRACE_BRANCH_PROFILING is not set +CONFIG_BRANCH_PROFILE_NONE=y +# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set +# CONFIG_PROFILE_ALL_BRANCHES is not set # CONFIG_STACK_TRACER is not set # CONFIG_KMEMTRACE is not set # CONFIG_WORKQUEUE_TRACER is not set @@ -1109,6 +1122,7 @@ CONFIG_GENERIC_FIND_LAST_BIT=y # CONFIG_CRC32 is not set # CONFIG_CRC7 is not set # CONFIG_LIBCRC32C is not set +CONFIG_GENERIC_ALLOCATOR=y CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT=y CONFIG_HAS_DMA=y diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h index 1cd2d64..c433c6c 100644 --- a/arch/arm/include/asm/pgtable.h +++ b/arch/arm/include/asm/pgtable.h @@ -285,15 +285,6 @@ extern struct page *empty_zero_page; #define pte_young(pte) (pte_val(pte) & L_PTE_YOUNG) #define pte_special(pte) (0) -/* - * The following only works if pte_present() is not true. - */ -#define pte_file(pte) (pte_val(pte) & L_PTE_FILE) -#define pte_to_pgoff(x) (pte_val(x) >> 2) -#define pgoff_to_pte(x) __pte(((x) << 2) | L_PTE_FILE) - -#define PTE_FILE_MAX_BITS 30 - #define PTE_BIT_FUNC(fn,op) \ static inline pte_t pte_##fn(pte_t pte) { pte_val(pte) op; return pte; } @@ -384,16 +375,50 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; -/* Encode and decode a swap entry. +/* + * Encode and decode a swap entry. Swap entries are stored in the Linux + * page tables as follows: * - * We support up to 32GB of swap on 4k machines + * 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 + * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 + * <--------------- offset --------------------> <--- type --> 0 0 + * + * This gives us up to 127 swap files and 32GB per swap file. Note that + * the offset field is always non-zero. */ -#define __swp_type(x) (((x).val >> 2) & 0x7f) -#define __swp_offset(x) ((x).val >> 9) -#define __swp_entry(type,offset) ((swp_entry_t) { ((type) << 2) | ((offset) << 9) }) +#define __SWP_TYPE_SHIFT 2 +#define __SWP_TYPE_BITS 7 +#define __SWP_TYPE_MASK ((1 << __SWP_TYPE_BITS) - 1) +#define __SWP_OFFSET_SHIFT (__SWP_TYPE_BITS + __SWP_TYPE_SHIFT) + +#define __swp_type(x) (((x).val >> __SWP_TYPE_SHIFT) & __SWP_TYPE_MASK) +#define __swp_offset(x) ((x).val >> __SWP_OFFSET_SHIFT) +#define __swp_entry(type,offset) ((swp_entry_t) { ((type) << __SWP_TYPE_SHIFT) | ((offset) << __SWP_OFFSET_SHIFT) }) + #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) #define __swp_entry_to_pte(swp) ((pte_t) { (swp).val }) +/* + * It is an error for the kernel to have more swap files than we can + * encode in the PTEs. This ensures that we know when MAX_SWAPFILES + * is increased beyond what we presently support. + */ +#define MAX_SWAPFILES_CHECK() BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > __SWP_TYPE_BITS) + +/* + * Encode and decode a file entry. File entries are stored in the Linux + * page tables as follows: + * + * 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 + * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 + * <------------------------ offset -------------------------> 1 0 + */ +#define pte_file(pte) (pte_val(pte) & L_PTE_FILE) +#define pte_to_pgoff(x) (pte_val(x) >> 2) +#define pgoff_to_pte(x) __pte(((x) << 2) | L_PTE_FILE) + +#define PTE_FILE_MAX_BITS 30 + /* Needs to be defined here and not in linux/mm.h, as it is arch dependent */ /* FIXME: this is not correct */ #define kern_addr_valid(addr) (1) diff --git a/arch/arm/mach-u300/clock.c b/arch/arm/mach-u300/clock.c index 5cd04d6..111f7ea 100644 --- a/arch/arm/mach-u300/clock.c +++ b/arch/arm/mach-u300/clock.c @@ -24,6 +24,7 @@ #include <linux/init.h> #include <linux/timer.h> #include <linux/io.h> +#include <linux/seq_file.h> #include <asm/clkdev.h> #include <mach/hardware.h> @@ -702,6 +703,7 @@ static struct clk amba_clk = { .rate = 52000000, /* this varies! */ .hw_ctrld = true, .reset = false, + .lock = __SPIN_LOCK_UNLOCKED(amba_clk.lock), }; /* @@ -720,6 +722,7 @@ static struct clk cpu_clk = { .set_rate = clk_set_rate_cpuclk, .get_rate = clk_get_rate_cpuclk, .round_rate = clk_round_rate_cpuclk, + .lock = __SPIN_LOCK_UNLOCKED(cpu_clk.lock), }; static struct clk nandif_clk = { @@ -732,6 +735,7 @@ static struct clk nandif_clk = { .clk_val = U300_SYSCON_SBCER_NANDIF_CLK_EN, .enable = syscon_clk_enable, .disable = syscon_clk_disable, + .lock = __SPIN_LOCK_UNLOCKED(nandif_clk.lock), }; static struct clk semi_clk = { @@ -744,6 +748,7 @@ static struct clk semi_clk = { .clk_val = U300_SYSCON_SBCER_SEMI_CLK_EN, .enable = syscon_clk_enable, .disable = syscon_clk_disable, + .lock = __SPIN_LOCK_UNLOCKED(semi_clk.lock), }; #ifdef CONFIG_MACH_U300_BS335 @@ -758,6 +763,7 @@ static struct clk isp_clk = { .clk_val = U300_SYSCON_SBCER_ISP_CLK_EN, .enable = syscon_clk_enable, .disable = syscon_clk_disable, + .lock = __SPIN_LOCK_UNLOCKED(isp_clk.lock), }; static struct clk cds_clk = { @@ -771,6 +777,7 @@ static struct clk cds_clk = { .clk_val = U300_SYSCON_SBCER_CDS_CLK_EN, .enable = syscon_clk_enable, .disable = syscon_clk_disable, + .lock = __SPIN_LOCK_UNLOCKED(cds_clk.lock), }; #endif @@ -785,6 +792,7 @@ static struct clk dma_clk = { .clk_val = U300_SYSCON_SBCER_DMAC_CLK_EN, .enable = syscon_clk_enable, .disable = syscon_clk_disable, + .lock = __SPIN_LOCK_UNLOCKED(dma_clk.lock), }; static struct clk aaif_clk = { @@ -798,6 +806,7 @@ static struct clk aaif_clk = { .clk_val = U300_SYSCON_SBCER_AAIF_CLK_EN, .enable = syscon_clk_enable, .disable = syscon_clk_disable, + .lock = __SPIN_LOCK_UNLOCKED(aaif_clk.lock), }; static struct clk apex_clk = { @@ -811,6 +820,7 @@ static struct clk apex_clk = { .clk_val = U300_SYSCON_SBCER_APEX_CLK_EN, .enable = syscon_clk_enable, .disable = syscon_clk_disable, + .lock = __SPIN_LOCK_UNLOCKED(apex_clk.lock), }; static struct clk video_enc_clk = { @@ -825,6 +835,7 @@ static struct clk video_enc_clk = { .clk_val = U300_SYSCON_SBCER_VIDEO_ENC_CLK_EN, .enable = syscon_clk_enable, .disable = syscon_clk_disable, + .lock = __SPIN_LOCK_UNLOCKED(video_enc_clk.lock), }; static struct clk xgam_clk = { @@ -839,6 +850,7 @@ static struct clk xgam_clk = { .get_rate = clk_get_rate_xgamclk, .enable = syscon_clk_enable, .disable = syscon_clk_disable, + .lock = __SPIN_LOCK_UNLOCKED(xgam_clk.lock), }; /* This clock is used to activate the video encoder */ @@ -854,6 +866,7 @@ static struct clk ahb_clk = { .enable = syscon_clk_enable, .disable = syscon_clk_disable, .get_rate = clk_get_rate_ahb_clk, + .lock = __SPIN_LOCK_UNLOCKED(ahb_clk.lock), }; @@ -871,6 +884,7 @@ static struct clk ahb_subsys_clk = { .enable = syscon_clk_enable, .disable = syscon_clk_disable, .get_rate = clk_get_rate_ahb_clk, + .lock = __SPIN_LOCK_UNLOCKED(ahb_subsys_clk.lock), }; static struct clk intcon_clk = { @@ -882,6 +896,8 @@ static struct clk intcon_clk = { .res_reg = U300_SYSCON_VBASE + U300_SYSCON_RRR, .res_mask = U300_SYSCON_RRR_INTCON_RESET_EN, /* INTCON can be reset but not clock-gated */ + .lock = __SPIN_LOCK_UNLOCKED(intcon_clk.lock), + }; static struct clk mspro_clk = { @@ -895,6 +911,7 @@ static struct clk mspro_clk = { .clk_val = U300_SYSCON_SBCER_MSPRO_CLK_EN, .enable = syscon_clk_enable, .disable = syscon_clk_disable, + .lock = __SPIN_LOCK_UNLOCKED(mspro_clk.lock), }; static struct clk emif_clk = { @@ -909,6 +926,7 @@ static struct clk emif_clk = { .enable = syscon_clk_enable, .disable = syscon_clk_disable, .get_rate = clk_get_rate_emif_clk, + .lock = __SPIN_LOCK_UNLOCKED(emif_clk.lock), }; @@ -926,6 +944,7 @@ static struct clk fast_clk = { .clk_val = U300_SYSCON_SBCER_FAST_BRIDGE_CLK_EN, .enable = syscon_clk_enable, .disable = syscon_clk_disable, + .lock = __SPIN_LOCK_UNLOCKED(fast_clk.lock), }; static struct clk mmcsd_clk = { @@ -942,6 +961,7 @@ static struct clk mmcsd_clk = { .round_rate = clk_round_rate_mclk, .disable = syscon_clk_disable, .enable = syscon_clk_enable, + .lock = __SPIN_LOCK_UNLOCKED(mmcsd_clk.lock), }; static struct clk i2s0_clk = { @@ -956,6 +976,7 @@ static struct clk i2s0_clk = { .enable = syscon_clk_enable, .disable = syscon_clk_disable, .get_rate = clk_get_rate_i2s_i2c_spi, + .lock = __SPIN_LOCK_UNLOCKED(i2s0_clk.lock), }; static struct clk i2s1_clk = { @@ -970,6 +991,7 @@ static struct clk i2s1_clk = { .enable = syscon_clk_enable, .disable = syscon_clk_disable, .get_rate = clk_get_rate_i2s_i2c_spi, + .lock = __SPIN_LOCK_UNLOCKED(i2s1_clk.lock), }; static struct clk i2c0_clk = { @@ -984,6 +1006,7 @@ static struct clk i2c0_clk = { .enable = syscon_clk_enable, .disable = syscon_clk_disable, .get_rate = clk_get_rate_i2s_i2c_spi, + .lock = __SPIN_LOCK_UNLOCKED(i2c0_clk.lock), }; static struct clk i2c1_clk = { @@ -998,6 +1021,7 @@ static struct clk i2c1_clk = { .enable = syscon_clk_enable, .disable = syscon_clk_disable, .get_rate = clk_get_rate_i2s_i2c_spi, + .lock = __SPIN_LOCK_UNLOCKED(i2c1_clk.lock), }; static struct clk spi_clk = { @@ -1012,6 +1036,7 @@ static struct clk spi_clk = { .enable = syscon_clk_enable, .disable = syscon_clk_disable, .get_rate = clk_get_rate_i2s_i2c_spi, + .lock = __SPIN_LOCK_UNLOCKED(spi_clk.lock), }; #ifdef CONFIG_MACH_U300_BS335 @@ -1026,6 +1051,7 @@ static struct clk uart1_clk = { .clk_val = U300_SYSCON_SBCER_UART1_CLK_EN, .enable = syscon_clk_enable, .disable = syscon_clk_disable, + .lock = __SPIN_LOCK_UNLOCKED(uart1_clk.lock), }; #endif @@ -1044,6 +1070,7 @@ static struct clk slow_clk = { .clk_val = U300_SYSCON_SBCER_SLOW_BRIDGE_CLK_EN, .enable = syscon_clk_enable, .disable = syscon_clk_disable, + .lock = __SPIN_LOCK_UNLOCKED(slow_clk.lock), }; /* TODO: implement SYSCON clock? */ @@ -1055,6 +1082,7 @@ static struct clk wdog_clk = { .rate = 32768, .reset = false, /* This is always on, cannot be enabled/disabled or reset */ + .lock = __SPIN_LOCK_UNLOCKED(wdog_clk.lock), }; /* This one is hardwired to PLL13 */ @@ -1069,6 +1097,7 @@ static struct clk uart_clk = { .clk_val = U300_SYSCON_SBCER_UART_CLK_EN, .enable = syscon_clk_enable, .disable = syscon_clk_disable, + .lock = __SPIN_LOCK_UNLOCKED(uart_clk.lock), }; static struct clk keypad_clk = { @@ -1082,6 +1111,7 @@ static struct clk keypad_clk = { .clk_val = U300_SYSCON_SBCER_KEYPAD_CLK_EN, .enable = syscon_clk_enable, .disable = syscon_clk_disable, + .lock = __SPIN_LOCK_UNLOCKED(keypad_clk.lock), }; static struct clk gpio_clk = { @@ -1095,6 +1125,7 @@ static struct clk gpio_clk = { .clk_val = U300_SYSCON_SBCER_GPIO_CLK_EN, .enable = syscon_clk_enable, .disable = syscon_clk_disable, + .lock = __SPIN_LOCK_UNLOCKED(gpio_clk.lock), }; static struct clk rtc_clk = { @@ -1106,6 +1137,7 @@ static struct clk rtc_clk = { .res_reg = U300_SYSCON_VBASE + U300_SYSCON_RSR, .res_mask = U300_SYSCON_RSR_RTC_RESET_EN, /* This clock is always on, cannot be enabled/disabled */ + .lock = __SPIN_LOCK_UNLOCKED(rtc_clk.lock), }; static struct clk bustr_clk = { @@ -1119,6 +1151,7 @@ static struct clk bustr_clk = { .clk_val = U300_SYSCON_SBCER_BTR_CLK_EN, .enable = syscon_clk_enable, .disable = syscon_clk_disable, + .lock = __SPIN_LOCK_UNLOCKED(bustr_clk.lock), }; static struct clk evhist_clk = { @@ -1132,6 +1165,7 @@ static struct clk evhist_clk = { .clk_val = U300_SYSCON_SBCER_EH_CLK_EN, .enable = syscon_clk_enable, .disable = syscon_clk_disable, + .lock = __SPIN_LOCK_UNLOCKED(evhist_clk.lock), }; static struct clk timer_clk = { @@ -1145,6 +1179,7 @@ static struct clk timer_clk = { .clk_val = U300_SYSCON_SBCER_ACC_TMR_CLK_EN, .enable = syscon_clk_enable, .disable = syscon_clk_disable, + .lock = __SPIN_LOCK_UNLOCKED(timer_clk.lock), }; static struct clk app_timer_clk = { @@ -1158,6 +1193,7 @@ static struct clk app_timer_clk = { .clk_val = U300_SYSCON_SBCER_APP_TMR_CLK_EN, .enable = syscon_clk_enable, .disable = syscon_clk_disable, + .lock = __SPIN_LOCK_UNLOCKED(app_timer_clk.lock), }; #ifdef CONFIG_MACH_U300_BS335 @@ -1172,6 +1208,7 @@ static struct clk ppm_clk = { .clk_val = U300_SYSCON_SBCER_PPM_CLK_EN, .enable = syscon_clk_enable, .disable = syscon_clk_disable, + .lock = __SPIN_LOCK_UNLOCKED(ppm_clk.lock), }; #endif @@ -1187,53 +1224,53 @@ static struct clk ppm_clk = { */ static struct clk_lookup lookups[] = { /* Connected directly to the AMBA bus */ - DEF_LOOKUP("amba", &amba_clk), - DEF_LOOKUP("cpu", &cpu_clk), - DEF_LOOKUP("nandif", &nandif_clk), - DEF_LOOKUP("semi", &semi_clk), + DEF_LOOKUP("amba", &amba_clk), + DEF_LOOKUP("cpu", &cpu_clk), + DEF_LOOKUP("fsmc", &nandif_clk), + DEF_LOOKUP("semi", &semi_clk), #ifdef CONFIG_MACH_U300_BS335 - DEF_LOOKUP("isp", &isp_clk), - DEF_LOOKUP("cds", &cds_clk), + DEF_LOOKUP("isp", &isp_clk), + DEF_LOOKUP("cds", &cds_clk), #endif - DEF_LOOKUP("dma", &dma_clk), - DEF_LOOKUP("aaif", &aaif_clk), - DEF_LOOKUP("apex", &apex_clk), + DEF_LOOKUP("dma", &dma_clk), + DEF_LOOKUP("msl", &aaif_clk), + DEF_LOOKUP("apex", &apex_clk), DEF_LOOKUP("video_enc", &video_enc_clk), - DEF_LOOKUP("xgam", &xgam_clk), - DEF_LOOKUP("ahb", &ahb_clk), + DEF_LOOKUP("xgam", &xgam_clk), + DEF_LOOKUP("ahb", &ahb_clk), /* AHB bridge clocks */ - DEF_LOOKUP("ahb", &ahb_subsys_clk), - DEF_LOOKUP("intcon", &intcon_clk), - DEF_LOOKUP("mspro", &mspro_clk), - DEF_LOOKUP("pl172", &emif_clk), + DEF_LOOKUP("ahb_subsys", &ahb_subsys_clk), + DEF_LOOKUP("intcon", &intcon_clk), + DEF_LOOKUP("mspro", &mspro_clk), + DEF_LOOKUP("pl172", &emif_clk), /* FAST bridge clocks */ - DEF_LOOKUP("fast", &fast_clk), - DEF_LOOKUP("mmci", &mmcsd_clk), + DEF_LOOKUP("fast", &fast_clk), + DEF_LOOKUP("mmci", &mmcsd_clk), /* * The .0 and .1 identifiers on these comes from the platform device * .id field and are assigned when the platform devices are registered. */ - DEF_LOOKUP("i2s.0", &i2s0_clk), - DEF_LOOKUP("i2s.1", &i2s1_clk), - DEF_LOOKUP("stddci2c.0", &i2c0_clk), - DEF_LOOKUP("stddci2c.1", &i2c1_clk), - DEF_LOOKUP("pl022", &spi_clk), + DEF_LOOKUP("i2s.0", &i2s0_clk), + DEF_LOOKUP("i2s.1", &i2s1_clk), + DEF_LOOKUP("stu300.0", &i2c0_clk), + DEF_LOOKUP("stu300.1", &i2c1_clk), + DEF_LOOKUP("pl022", &spi_clk), #ifdef CONFIG_MACH_U300_BS335 - DEF_LOOKUP("uart1", &uart1_clk), + DEF_LOOKUP("uart1", &uart1_clk), #endif /* SLOW bridge clocks */ - DEF_LOOKUP("slow", &slow_clk), - DEF_LOOKUP("wdog", &wdog_clk), - DEF_LOOKUP("uart0", &uart_clk), - DEF_LOOKUP("apptimer", &app_timer_clk), - DEF_LOOKUP("keypad", &keypad_clk), + DEF_LOOKUP("slow", &slow_clk), + DEF_LOOKUP("coh901327_wdog", &wdog_clk), + DEF_LOOKUP("uart0", &uart_clk), + DEF_LOOKUP("apptimer", &app_timer_clk), + DEF_LOOKUP("coh901461-keypad", &keypad_clk), DEF_LOOKUP("u300-gpio", &gpio_clk), - DEF_LOOKUP("rtc0", &rtc_clk), - DEF_LOOKUP("bustr", &bustr_clk), - DEF_LOOKUP("evhist", &evhist_clk), - DEF_LOOKUP("timer", &timer_clk), + DEF_LOOKUP("rtc-coh901331", &rtc_clk), + DEF_LOOKUP("bustr", &bustr_clk), + DEF_LOOKUP("evhist", &evhist_clk), + DEF_LOOKUP("timer", &timer_clk), #ifdef CONFIG_MACH_U300_BS335 - DEF_LOOKUP("ppm", &ppm_clk), + DEF_LOOKUP("ppm", &ppm_clk), #endif }; @@ -1427,16 +1464,20 @@ static const struct file_operations u300_clocks_operations = { .release = single_release, }; -static void init_clk_read_procfs(void) +static int __init init_clk_read_debugfs(void) { /* Expose a simple debugfs interface to view all clocks */ (void) debugfs_create_file("u300_clocks", S_IFREG | S_IRUGO, - NULL, NULL, &u300_clocks_operations); -} -#else -static inline void init_clk_read_procfs(void) -{ + NULL, NULL, + &u300_clocks_operations); + return 0; } +/* + * This needs to come in after the core_initcall() for the + * overall clocks, because debugfs is not available until + * the subsystems come up. + */ +module_init(init_clk_read_debugfs); #endif static int __init u300_clock_init(void) @@ -1462,8 +1503,6 @@ static int __init u300_clock_init(void) clk_register(); - init_clk_read_procfs(); - /* * Some of these may be on when we boot the system so make sure they * are turned OFF. diff --git a/arch/arm/mm/proc-syms.c b/arch/arm/mm/proc-syms.c index 195e48e..ac5c800 100644 --- a/arch/arm/mm/proc-syms.c +++ b/arch/arm/mm/proc-syms.c @@ -27,6 +27,7 @@ EXPORT_SYMBOL(__cpuc_flush_kern_all); EXPORT_SYMBOL(__cpuc_flush_user_all); EXPORT_SYMBOL(__cpuc_flush_user_range); EXPORT_SYMBOL(__cpuc_coherent_kern_range); +EXPORT_SYMBOL(__cpuc_flush_dcache_page); EXPORT_SYMBOL(dmac_inv_range); /* because of flush_ioremap_region() */ #else EXPORT_SYMBOL(cpu_cache); diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig index 8a5bd7a..b86e19c 100644 --- a/arch/frv/Kconfig +++ b/arch/frv/Kconfig @@ -7,6 +7,7 @@ config FRV default y select HAVE_IDE select HAVE_ARCH_TRACEHOOK + select HAVE_PERF_COUNTERS config ZONE_DMA bool diff --git a/arch/frv/include/asm/atomic.h b/arch/frv/include/asm/atomic.h index 0409d98..00a57af 100644 --- a/arch/frv/include/asm/atomic.h +++ b/arch/frv/include/asm/atomic.h @@ -121,10 +121,72 @@ static inline void atomic_dec(atomic_t *v) #define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0) #define atomic_inc_and_test(v) (atomic_add_return(1, (v)) == 0) +/* + * 64-bit atomic ops + */ +typedef struct { + volatile long long counter; +} atomic64_t; + +#define ATOMIC64_INIT(i) { (i) } + +static inline long long atomic64_read(atomic64_t *v) +{ + long long counter; + + asm("ldd%I1 %M1,%0" + : "=e"(counter) + : "m"(v->counter)); + return counter; +} + +static inline void atomic64_set(atomic64_t *v, long long i) +{ + asm volatile("std%I0 %1,%M0" + : "=m"(v->counter) + : "e"(i)); +} + +extern long long atomic64_inc_return(atomic64_t *v); +extern long long atomic64_dec_return(atomic64_t *v); +extern long long atomic64_add_return(long long i, atomic64_t *v); +extern long long atomic64_sub_return(long long i, atomic64_t *v); + +static inline long long atomic64_add_negative(long long i, atomic64_t *v) +{ + return atomic64_add_return(i, v) < 0; +} + +static inline void atomic64_add(long long i, atomic64_t *v) +{ + atomic64_add_return(i, v); +} + +static inline void atomic64_sub(long long i, atomic64_t *v) +{ + atomic64_sub_return(i, v); +} + +static inline void atomic64_inc(atomic64_t *v) +{ + atomic64_inc_return(v); +} + +static inline void atomic64_dec(atomic64_t *v) +{ + atomic64_dec_return(v); +} + +#define atomic64_sub_and_test(i,v) (atomic64_sub_return((i), (v)) == 0) +#define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0) +#define atomic64_inc_and_test(v) (atomic64_inc_return((v)) == 0) + /*****************************************************************************/ /* * exchange value with memory */ +extern uint64_t __xchg_64(uint64_t i, volatile void *v); + #ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS #define xchg(ptr, x) \ @@ -174,8 +236,10 @@ extern uint32_t __xchg_32(uint32_t i, volatile void *v); #define tas(ptr) (xchg((ptr), 1)) -#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), old, new)) -#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) +#define atomic_cmpxchg(v, old, new) (cmpxchg(&(v)->counter, old, new)) +#define atomic_xchg(v, new) (xchg(&(v)->counter, new)) +#define atomic64_cmpxchg(v, old, new) (__cmpxchg_64(old, new, &(v)->counter)) +#define atomic64_xchg(v, new) (__xchg_64(new, &(v)->counter)) static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) { diff --git a/arch/frv/include/asm/perf_counter.h b/arch/frv/include/asm/perf_counter.h new file mode 100644 index 0000000..ccf726e --- /dev/null +++ b/arch/frv/include/asm/perf_counter.h @@ -0,0 +1,17 @@ +/* FRV performance counter support + * + * Copyright (C) 2009 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ + +#ifndef _ASM_PERF_COUNTER_H +#define _ASM_PERF_COUNTER_H + +#define PERF_COUNTER_INDEX_OFFSET 0 + +#endif /* _ASM_PERF_COUNTER_H */ diff --git a/arch/frv/include/asm/system.h b/arch/frv/include/asm/system.h index 7742ec0..efd22d9 100644 --- a/arch/frv/include/asm/system.h +++ b/arch/frv/include/asm/system.h @@ -208,6 +208,8 @@ extern void free_initmem(void); * - if (*ptr == test) then orig = *ptr; *ptr = test; * - if (*ptr != test) then orig = *ptr; */ +extern uint64_t __cmpxchg_64(uint64_t test, uint64_t new, volatile uint64_t *v); + #ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS #define cmpxchg(ptr, test, new) \ diff --git a/arch/frv/include/asm/unistd.h b/arch/frv/include/asm/unistd.h index 96d78d5..4a8fb42 100644 --- a/arch/frv/include/asm/unistd.h +++ b/arch/frv/include/asm/unistd.h @@ -341,10 +341,12 @@ #define __NR_inotify_init1 332 #define __NR_preadv 333 #define __NR_pwritev 334 +#define __NR_rt_tgsigqueueinfo 335 +#define __NR_perf_counter_open 336 #ifdef __KERNEL__ -#define NR_syscalls 335 +#define NR_syscalls 337 #define __ARCH_WANT_IPC_PARSE_VERSION /* #define __ARCH_WANT_OLD_READDIR */ diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S index 356e0e3..fde1e44 100644 --- a/arch/frv/kernel/entry.S +++ b/arch/frv/kernel/entry.S @@ -1524,5 +1524,7 @@ sys_call_table: .long sys_inotify_init1 .long sys_preadv .long sys_pwritev + .long sys_rt_tgsigqueueinfo /* 335 */ + .long sys_perf_counter_open syscall_table_size = (. - sys_call_table) diff --git a/arch/frv/kernel/frv_ksyms.c b/arch/frv/kernel/frv_ksyms.c index 0316b3c..a89803b 100644 --- a/arch/frv/kernel/frv_ksyms.c +++ b/arch/frv/kernel/frv_ksyms.c @@ -67,6 +67,10 @@ EXPORT_SYMBOL(atomic_sub_return); EXPORT_SYMBOL(__xchg_32); EXPORT_SYMBOL(__cmpxchg_32); #endif +EXPORT_SYMBOL(atomic64_add_return); +EXPORT_SYMBOL(atomic64_sub_return); +EXPORT_SYMBOL(__xchg_64); +EXPORT_SYMBOL(__cmpxchg_64); EXPORT_SYMBOL(__debug_bug_printk); EXPORT_SYMBOL(__delay_loops_MHz); diff --git a/arch/frv/lib/Makefile b/arch/frv/lib/Makefile index 08be305..0a37721 100644 --- a/arch/frv/lib/Makefile +++ b/arch/frv/lib/Makefile @@ -4,5 +4,5 @@ lib-y := \ __ashldi3.o __lshrdi3.o __muldi3.o __ashrdi3.o __negdi2.o __ucmpdi2.o \ - checksum.o memcpy.o memset.o atomic-ops.o \ - outsl_ns.o outsl_sw.o insl_ns.o insl_sw.o cache.o + checksum.o memcpy.o memset.o atomic-ops.o atomic64-ops.o \ + outsl_ns.o outsl_sw.o insl_ns.o insl_sw.o cache.o perf_counter.o diff --git a/arch/frv/lib/atomic-ops.S b/arch/frv/lib/atomic-ops.S index ee0ac90..5e9e6ab 100644 --- a/arch/frv/lib/atomic-ops.S +++ b/arch/frv/lib/atomic-ops.S @@ -163,11 +163,10 @@ __cmpxchg_32: ld.p @(gr11,gr0),gr8 orcr cc7,cc7,cc3 subcc gr8,gr9,gr7,icc0 - bne icc0,#0,1f + bnelr icc0,#0 cst.p gr10,@(gr11,gr0) ,cc3,#1 corcc gr29,gr29,gr0 ,cc3,#1 beq icc3,#0,0b -1: bralr .size __cmpxchg_32, .-__cmpxchg_32 diff --git a/arch/frv/lib/atomic64-ops.S b/arch/frv/lib/atomic64-ops.S new file mode 100644 index 0000000..b6194ee --- /dev/null +++ b/arch/frv/lib/atomic64-ops.S @@ -0,0 +1,162 @@ +/* kernel atomic64 operations + * + * For an explanation of how atomic ops work in this arch, see: + * Documentation/frv/atomic-ops.txt + * + * Copyright (C) 2009 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <asm/spr-regs.h> + + .text + .balign 4 + + +############################################################################### +# +# long long atomic64_inc_return(atomic64_t *v) +# +############################################################################### + .globl atomic64_inc_return + .type atomic64_inc_return,@function +atomic64_inc_return: + or.p gr8,gr8,gr10 +0: + orcc gr0,gr0,gr0,icc3 /* set ICC3.Z */ + ckeq icc3,cc7 + ldd.p @(gr10,gr0),gr8 /* LDD.P/ORCR must be atomic */ + orcr cc7,cc7,cc3 /* set CC3 to true */ + addicc gr9,#1,gr9,icc0 + addxi gr8,#0,gr8,icc0 + cstd.p gr8,@(gr10,gr0) ,cc3,#1 + corcc gr29,gr29,gr0 ,cc3,#1 /* clear ICC3.Z if store happens */ + beq icc3,#0,0b + bralr + + .size atomic64_inc_return, .-atomic64_inc_return + +############################################################################### +# +# long long atomic64_dec_return(atomic64_t *v) +# +############################################################################### + .globl atomic64_dec_return + .type atomic64_dec_return,@function +atomic64_dec_return: + or.p gr8,gr8,gr10 +0: + orcc gr0,gr0,gr0,icc3 /* set ICC3.Z */ + ckeq icc3,cc7 + ldd.p @(gr10,gr0),gr8 /* LDD.P/ORCR must be atomic */ + orcr cc7,cc7,cc3 /* set CC3 to true */ + subicc gr9,#1,gr9,icc0 + subxi gr8,#0,gr8,icc0 + cstd.p gr8,@(gr10,gr0) ,cc3,#1 + corcc gr29,gr29,gr0 ,cc3,#1 /* clear ICC3.Z if store happens */ + beq icc3,#0,0b + bralr + + .size atomic64_dec_return, .-atomic64_dec_return + +############################################################################### +# +# long long atomic64_add_return(long long i, atomic64_t *v) +# +############################################################################### + .globl atomic64_add_return + .type atomic64_add_return,@function +atomic64_add_return: + or.p gr8,gr8,gr4 + or gr9,gr9,gr5 +0: + orcc gr0,gr0,gr0,icc3 /* set ICC3.Z */ + ckeq icc3,cc7 + ldd.p @(gr10,gr0),gr8 /* LDD.P/ORCR must be atomic */ + orcr cc7,cc7,cc3 /* set CC3 to true */ + addcc gr9,gr5,gr9,icc0 + addx gr8,gr4,gr8,icc0 + cstd.p gr8,@(gr10,gr0) ,cc3,#1 + corcc gr29,gr29,gr0 ,cc3,#1 /* clear ICC3.Z if store happens */ + beq icc3,#0,0b + bralr + + .size atomic64_add_return, .-atomic64_add_return + +############################################################################### +# +# long long atomic64_sub_return(long long i, atomic64_t *v) +# +############################################################################### + .globl atomic64_sub_return + .type atomic64_sub_return,@function +atomic64_sub_return: + or.p gr8,gr8,gr4 + or gr9,gr9,gr5 +0: + orcc gr0,gr0,gr0,icc3 /* set ICC3.Z */ + ckeq icc3,cc7 + ldd.p @(gr10,gr0),gr8 /* LDD.P/ORCR must be atomic */ + orcr cc7,cc7,cc3 /* set CC3 to true */ + subcc gr9,gr5,gr9,icc0 + subx gr8,gr4,gr8,icc0 + cstd.p gr8,@(gr10,gr0) ,cc3,#1 + corcc gr29,gr29,gr0 ,cc3,#1 /* clear ICC3.Z if store happens */ + beq icc3,#0,0b + bralr + + .size atomic64_sub_return, .-atomic64_sub_return + +############################################################################### +# +# uint64_t __xchg_64(uint64_t i, uint64_t *v) +# +############################################################################### + .globl __xchg_64 + .type __xchg_64,@function +__xchg_64: + or.p gr8,gr8,gr4 + or gr9,gr9,gr5 +0: + orcc gr0,gr0,gr0,icc3 /* set ICC3.Z */ + ckeq icc3,cc7 + ldd.p @(gr10,gr0),gr8 /* LDD.P/ORCR must be atomic */ + orcr cc7,cc7,cc3 /* set CC3 to true */ + cstd.p gr4,@(gr10,gr0) ,cc3,#1 + corcc gr29,gr29,gr0 ,cc3,#1 /* clear ICC3.Z if store happens */ + beq icc3,#0,0b + bralr + + .size __xchg_64, .-__xchg_64 + +############################################################################### +# +# uint64_t __cmpxchg_64(uint64_t test, uint64_t new, uint64_t *v) +# +############################################################################### + .globl __cmpxchg_64 + .type __cmpxchg_64,@function +__cmpxchg_64: + or.p gr8,gr8,gr4 + or gr9,gr9,gr5 +0: + orcc gr0,gr0,gr0,icc3 /* set ICC3.Z */ + ckeq icc3,cc7 + ldd.p @(gr12,gr0),gr8 /* LDD.P/ORCR must be atomic */ + orcr cc7,cc7,cc3 + subcc gr8,gr4,gr0,icc0 + subcc.p gr9,gr5,gr0,icc1 + bnelr icc0,#0 + bnelr icc1,#0 + cstd.p gr10,@(gr12,gr0) ,cc3,#1 + corcc gr29,gr29,gr0 ,cc3,#1 /* clear ICC3.Z if store happens */ + beq icc3,#0,0b + bralr + + .size __cmpxchg_64, .-__cmpxchg_64 + diff --git a/arch/frv/lib/perf_counter.c b/arch/frv/lib/perf_counter.c new file mode 100644 index 0000000..2000fee --- /dev/null +++ b/arch/frv/lib/perf_counter.c @@ -0,0 +1,19 @@ +/* Performance counter handling + * + * Copyright (C) 2009 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ + +#include <linux/perf_counter.h> + +/* + * mark the performance counter as pending + */ +void set_perf_counter_pending(void) +{ +} diff --git a/arch/ia64/kernel/esi.c b/arch/ia64/kernel/esi.c index ebf4e98..d5764a3 100644 --- a/arch/ia64/kernel/esi.c +++ b/arch/ia64/kernel/esi.c @@ -65,7 +65,7 @@ static int __init esi_init (void) } if (!esi) - return -ENODEV;; + return -ENODEV; systab = __va(esi); diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c index abce246..f178270 100644 --- a/arch/ia64/kernel/perfmon.c +++ b/arch/ia64/kernel/perfmon.c @@ -5603,7 +5603,7 @@ pfm_interrupt_handler(int irq, void *arg) * /proc/perfmon interface, for debug only */ -#define PFM_PROC_SHOW_HEADER ((void *)nr_cpu_ids+1) +#define PFM_PROC_SHOW_HEADER ((void *)(long)nr_cpu_ids+1) static void * pfm_proc_start(struct seq_file *m, loff_t *pos) diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c index 7053c55..e6676fc 100644 --- a/arch/ia64/kernel/salinfo.c +++ b/arch/ia64/kernel/salinfo.c @@ -192,7 +192,7 @@ struct salinfo_platform_oemdata_parms { static void salinfo_work_to_do(struct salinfo_data *data) { - down_trylock(&data->mutex); + (void)(down_trylock(&data->mutex) ?: 0); up(&data->mutex); } diff --git a/arch/ia64/kvm/process.c b/arch/ia64/kvm/process.c index a8f84da..bb862fb 100644 --- a/arch/ia64/kvm/process.c +++ b/arch/ia64/kvm/process.c @@ -130,7 +130,7 @@ static void collect_interruption(struct kvm_vcpu *vcpu) if (vdcr & IA64_DCR_PP) { vpsr |= IA64_PSR_PP; } else { - vpsr &= ~IA64_PSR_PP;; + vpsr &= ~IA64_PSR_PP; } vcpu_set_psr(vcpu, vpsr); @@ -594,11 +594,11 @@ static void set_pal_call_data(struct kvm_vcpu *vcpu) p->u.pal_data.gr30 = vcpu_get_gr(vcpu, 30); break; case PAL_BRAND_INFO: - p->u.pal_data.gr29 = gr29;; + p->u.pal_data.gr29 = gr29; p->u.pal_data.gr30 = kvm_trans_pal_call_args(vcpu, gr30); break; default: - p->u.pal_data.gr29 = gr29;; + p->u.pal_data.gr29 = gr29; p->u.pal_data.gr30 = vcpu_get_gr(vcpu, 30); } p->u.pal_data.gr28 = gr28; diff --git a/arch/ia64/kvm/vcpu.c b/arch/ia64/kvm/vcpu.c index a2c6c15..46b02cb 100644 --- a/arch/ia64/kvm/vcpu.c +++ b/arch/ia64/kvm/vcpu.c @@ -406,7 +406,7 @@ void getreg(unsigned long regnum, unsigned long *val, * Now look at registers in [0-31] range and init correct UNAT */ addr = (unsigned long)regs; - unat = ®s->eml_unat;; + unat = ®s->eml_unat; addr += gr_info[regnum]; diff --git a/arch/ia64/kvm/vtlb.c b/arch/ia64/kvm/vtlb.c index 4290a42..20b3852 100644 --- a/arch/ia64/kvm/vtlb.c +++ b/arch/ia64/kvm/vtlb.c @@ -135,7 +135,7 @@ struct thash_data *__vtr_lookup(struct kvm_vcpu *vcpu, u64 va, int type) u64 rid; rid = vcpu_get_rr(vcpu, va); - rid = rid & RR_RID_MASK;; + rid = rid & RR_RID_MASK; if (type == D_TLB) { if (vcpu_quick_region_check(vcpu->arch.dtr_regions, va)) { for (trp = (struct thash_data *)&vcpu->arch.dtrs, i = 0; @@ -518,7 +518,7 @@ struct thash_data *vtlb_lookup(struct kvm_vcpu *v, u64 va, int is_data) struct thash_cb *hcb = &v->arch.vtlb; - cch = __vtr_lookup(v, va, is_data);; + cch = __vtr_lookup(v, va, is_data); if (cch) return cch; diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c index 729298f..7de76dd 100644 --- a/arch/ia64/pci/pci.c +++ b/arch/ia64/pci/pci.c @@ -537,7 +537,7 @@ pcibios_align_resource (void *data, struct resource *res, /* * PCI BIOS setup, always defaults to SAL interface */ -char * __devinit +char * __init pcibios_setup (char *str) { return str; diff --git a/arch/ia64/sn/kernel/io_common.c b/arch/ia64/sn/kernel/io_common.c index 76645cf..25831c4 100644 --- a/arch/ia64/sn/kernel/io_common.c +++ b/arch/ia64/sn/kernel/io_common.c @@ -435,7 +435,8 @@ void sn_generate_path(struct pci_bus *pci_bus, char *address) bricktype = MODULE_GET_BTYPE(moduleid); if ((bricktype == L1_BRICKTYPE_191010) || (bricktype == L1_BRICKTYPE_1932)) - sprintf(address, "%s^%d", address, geo_slot(geoid)); + sprintf(address + strlen(address), "^%d", + geo_slot(geoid)); } void __devinit diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index b50b845..2db722d 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -53,6 +53,9 @@ config GENERIC_HARDIRQS_NO__DO_IRQ config GENERIC_GPIO def_bool y +config GENERIC_CSUM + def_bool y + config PCI def_bool n diff --git a/arch/microblaze/include/asm/atomic.h b/arch/microblaze/include/asm/atomic.h index 0de612a..6d2e1d4 100644 --- a/arch/microblaze/include/asm/atomic.h +++ b/arch/microblaze/include/asm/atomic.h @@ -1,95 +1,7 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - #ifndef _ASM_MICROBLAZE_ATOMIC_H #define _ASM_MICROBLAZE_ATOMIC_H -#include <linux/types.h> -#include <linux/compiler.h> /* likely */ -#include <asm/system.h> /* local_irq_XXX and friends */ - -#define ATOMIC_INIT(i) { (i) } -#define atomic_read(v) ((v)->counter) -#define atomic_set(v, i) (((v)->counter) = (i)) - -#define atomic_inc(v) (atomic_add_return(1, (v))) -#define atomic_dec(v) (atomic_sub_return(1, (v))) - -#define atomic_add(i, v) (atomic_add_return(i, (v))) -#define atomic_sub(i, v) (atomic_sub_return(i, (v))) - -#define atomic_inc_return(v) (atomic_add_return(1, (v))) -#define atomic_dec_return(v) (atomic_sub_return(1, (v))) - -#define atomic_inc_and_test(v) (atomic_add_return(1, (v)) == 0) -#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0) - -#define atomic_inc_not_zero(v) (atomic_add_unless((v), 1, 0)) - -#define atomic_sub_and_test(i, v) (atomic_sub_return((i), (v)) == 0) - -static inline int atomic_cmpxchg(atomic_t *v, int old, int new) -{ - int ret; - unsigned long flags; - - local_irq_save(flags); - ret = v->counter; - if (likely(ret == old)) - v->counter = new; - local_irq_restore(flags); - - return ret; -} - -static inline int atomic_add_unless(atomic_t *v, int a, int u) -{ - int c, old; - - c = atomic_read(v); - while (c != u && (old = atomic_cmpxchg((v), c, c + a)) != c) - c = old; - return c != u; -} - -static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr) -{ - unsigned long flags; - - local_irq_save(flags); - *addr &= ~mask; - local_irq_restore(flags); -} - -/** - * atomic_add_return - add and return - * @i: integer value to add - * @v: pointer of type atomic_t - * - * Atomically adds @i to @v and returns @i + @v - */ -static inline int atomic_add_return(int i, atomic_t *v) -{ - unsigned long flags; - int val; - - local_irq_save(flags); - val = v->counter; - v->counter = val += i; - local_irq_restore(flags); - - return val; -} - -static inline int atomic_sub_return(int i, atomic_t *v) -{ - return atomic_add_return(-i, v); -} +#include <asm-generic/atomic.h> /* * Atomically test *v and decrement if it is greater than 0. @@ -109,15 +21,4 @@ static inline int atomic_dec_if_positive(atomic_t *v) return res; } -#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0) -#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) - -/* Atomic operations are already serializing */ -#define smp_mb__before_atomic_dec() barrier() -#define smp_mb__after_atomic_dec() barrier() -#define smp_mb__before_atomic_inc() barrier() -#define smp_mb__after_atomic_inc() barrier() - -#include <asm-generic/atomic-long.h> - #endif /* _ASM_MICROBLAZE_ATOMIC_H */ diff --git a/arch/microblaze/include/asm/bitops.h b/arch/microblaze/include/asm/bitops.h index d6df1fd..a72468f 100644 --- a/arch/microblaze/include/asm/bitops.h +++ b/arch/microblaze/include/asm/bitops.h @@ -1,27 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_BITOPS_H -#define _ASM_MICROBLAZE_BITOPS_H - -/* - * Copyright 1992, Linus Torvalds. - */ - -#include <asm/byteorder.h> /* swab32 */ -#include <asm/system.h> /* save_flags */ - -/* - * clear_bit() doesn't provide any barrier for the compiler. - */ -#define smp_mb__before_clear_bit() barrier() -#define smp_mb__after_clear_bit() barrier() #include <asm-generic/bitops.h> -#include <asm-generic/bitops/__fls.h> - -#endif /* _ASM_MICROBLAZE_BITOPS_H */ diff --git a/arch/microblaze/include/asm/bug.h b/arch/microblaze/include/asm/bug.h index 8eb2cdd..b12fd89 100644 --- a/arch/microblaze/include/asm/bug.h +++ b/arch/microblaze/include/asm/bug.h @@ -1,15 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_BUG_H -#define _ASM_MICROBLAZE_BUG_H - -#include <linux/kernel.h> #include <asm-generic/bug.h> - -#endif /* _ASM_MICROBLAZE_BUG_H */ diff --git a/arch/microblaze/include/asm/bugs.h b/arch/microblaze/include/asm/bugs.h index f2c6593..61791e1 100644 --- a/arch/microblaze/include/asm/bugs.h +++ b/arch/microblaze/include/asm/bugs.h @@ -1,17 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_BUGS_H -#define _ASM_MICROBLAZE_BUGS_H - -static inline void check_bugs(void) -{ - /* nothing to do */ -} - -#endif /* _ASM_MICROBLAZE_BUGS_H */ +#include <asm-generic/bugs.h> diff --git a/arch/microblaze/include/asm/checksum.h b/arch/microblaze/include/asm/checksum.h index 97ea46b..128bf03 100644 --- a/arch/microblaze/include/asm/checksum.h +++ b/arch/microblaze/include/asm/checksum.h @@ -10,12 +10,11 @@ #ifndef _ASM_MICROBLAZE_CHECKSUM_H #define _ASM_MICROBLAZE_CHECKSUM_H -#include <linux/in6.h> - /* * computes the checksum of the TCP/UDP pseudo-header * returns a 16-bit checksum, already complemented */ +#define csum_tcpudp_nofold csum_tcpudp_nofold static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, unsigned short proto, __wsum sum) @@ -30,71 +29,6 @@ csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, return sum; } -/* - * computes the checksum of a memory block at buff, length len, - * and adds in "sum" (32-bit) - * - * returns a 32-bit number suitable for feeding into itself - * or csum_tcpudp_magic - * - * this function must be called with even lengths, except - * for the last fragment, which may be odd - * - * it's best to have buff aligned on a 32-bit boundary - */ -extern __wsum csum_partial(const void *buff, int len, __wsum sum); - -/* - * the same as csum_partial, but copies from src while it - * checksums - * - * here even more important to align src and dst on a 32-bit (or even - * better 64-bit) boundary - */ -extern __wsum csum_partial_copy(const void *src, void *dst, int len, - __wsum sum); - -/* - * the same as csum_partial_copy, but copies from user space. - * - * here even more important to align src and dst on a 32-bit (or even - * better 64-bit) boundary - */ -extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst, - int len, __wsum sum, int *csum_err); - -#define csum_partial_copy_nocheck(src, dst, len, sum) \ - csum_partial_copy((src), (dst), (len), (sum)) - -/* - * This is a version of ip_compute_csum() optimized for IP headers, - * which always checksum on 4 octet boundaries. - * - */ -extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl); - -/* - * Fold a partial checksum - */ -static inline __sum16 csum_fold(__wsum csum) -{ - u32 sum = (__force u32)csum; - sum = (sum & 0xffff) + (sum >> 16); - sum = (sum & 0xffff) + (sum >> 16); - return (__force __sum16)~sum; -} - -static inline __sum16 -csum_tcpudp_magic(__be32 saddr, __be32 daddr, unsigned short len, - unsigned short proto, __wsum sum) -{ - return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum)); -} - -/* - * this routine is used for miscellaneous IP-like checksums, mainly - * in icmp.c - */ -extern __sum16 ip_compute_csum(const void *buff, int len); +#include <asm-generic/checksum.h> #endif /* _ASM_MICROBLAZE_CHECKSUM_H */ diff --git a/arch/microblaze/include/asm/fb.h b/arch/microblaze/include/asm/fb.h new file mode 100644 index 0000000..3a4988e --- /dev/null +++ b/arch/microblaze/include/asm/fb.h @@ -0,0 +1 @@ +#include <asm-generic/fb.h> diff --git a/arch/microblaze/include/asm/hardirq.h b/arch/microblaze/include/asm/hardirq.h index 0f2d6b0..41e1e1a 100644 --- a/arch/microblaze/include/asm/hardirq.h +++ b/arch/microblaze/include/asm/hardirq.h @@ -9,21 +9,11 @@ #ifndef _ASM_MICROBLAZE_HARDIRQ_H #define _ASM_MICROBLAZE_HARDIRQ_H -#include <linux/cache.h> -#include <linux/irq.h> -#include <asm/irq.h> -#include <asm/current.h> -#include <linux/ptrace.h> - /* should be defined in each interrupt controller driver */ extern unsigned int get_irq(struct pt_regs *regs); -typedef struct { - unsigned int __softirq_pending; -} ____cacheline_aligned irq_cpustat_t; - +#define ack_bad_irq ack_bad_irq void ack_bad_irq(unsigned int irq); - -#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ +#include <asm-generic/hardirq.h> #endif /* _ASM_MICROBLAZE_HARDIRQ_H */ diff --git a/arch/microblaze/include/asm/ioctls.h b/arch/microblaze/include/asm/ioctls.h index 03582b2..ec34c76 100644 --- a/arch/microblaze/include/asm/ioctls.h +++ b/arch/microblaze/include/asm/ioctls.h @@ -1,91 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_IOCTLS_H -#define _ASM_MICROBLAZE_IOCTLS_H - -#include <linux/ioctl.h> - -/* 0x54 is just a magic number to make these relatively unique ('T') */ - -#define TCGETS 0x5401 -#define TCSETS 0x5402 -#define TCSETSW 0x5403 -#define TCSETSF 0x5404 -#define TCGETA 0x5405 -#define TCSETA 0x5406 -#define TCSETAW 0x5407 -#define TCSETAF 0x5408 -#define TCSBRK 0x5409 -#define TCXONC 0x540A -#define TCFLSH 0x540B -#define TIOCEXCL 0x540C -#define TIOCNXCL 0x540D -#define TIOCSCTTY 0x540E -#define TIOCGPGRP 0x540F -#define TIOCSPGRP 0x5410 -#define TIOCOUTQ 0x5411 -#define TIOCSTI 0x5412 -#define TIOCGWINSZ 0x5413 -#define TIOCSWINSZ 0x5414 -#define TIOCMGET 0x5415 -#define TIOCMBIS 0x5416 -#define TIOCMBIC 0x5417 -#define TIOCMSET 0x5418 -#define TIOCGSOFTCAR 0x5419 -#define TIOCSSOFTCAR 0x541A -#define FIONREAD 0x541B -#define TIOCINQ FIONREAD -#define TIOCLINUX 0x541C -#define TIOCCONS 0x541D -#define TIOCGSERIAL 0x541E -#define TIOCSSERIAL 0x541F -#define TIOCPKT 0x5420 -#define FIONBIO 0x5421 -#define TIOCNOTTY 0x5422 -#define TIOCSETD 0x5423 -#define TIOCGETD 0x5424 -#define TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ -#define TIOCTTYGSTRUCT 0x5426 /* For debugging only */ -#define TIOCSBRK 0x5427 /* BSD compatibility */ -#define TIOCCBRK 0x5428 /* BSD compatibility */ -#define TIOCGSID 0x5429 /* Return the session ID of FD */ -/* Get Pty Number (of pty-mux device) */ -#define TIOCGPTN _IOR('T', 0x30, unsigned int) -#define TIOCSPTLCK _IOW('T', 0x31, int) /* Lock/unlock Pty */ - -#define FIONCLEX 0x5450 /* these numbers need to be adjusted. */ -#define FIOCLEX 0x5451 -#define FIOASYNC 0x5452 -#define TIOCSERCONFIG 0x5453 -#define TIOCSERGWILD 0x5454 -#define TIOCSERSWILD 0x5455 -#define TIOCGLCKTRMIOS 0x5456 -#define TIOCSLCKTRMIOS 0x5457 -#define TIOCSERGSTRUCT 0x5458 /* For debugging only */ -#define TIOCSERGETLSR 0x5459 /* Get line status register */ -#define TIOCSERGETMULTI 0x545A /* Get multiport config */ -#define TIOCSERSETMULTI 0x545B /* Set multiport config */ - -#define TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */ -#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ - -#define FIOQSIZE 0x545E - -/* Used for packet mode */ -#define TIOCPKT_DATA 0 -#define TIOCPKT_FLUSHREAD 1 -#define TIOCPKT_FLUSHWRITE 2 -#define TIOCPKT_STOP 4 -#define TIOCPKT_START 8 -#define TIOCPKT_NOSTOP 16 -#define TIOCPKT_DOSTOP 32 - -#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ - -#endif /* _ASM_MICROBLAZE_IOCTLS_H */ +#include <asm-generic/ioctls.h> diff --git a/arch/microblaze/include/asm/ipcbuf.h b/arch/microblaze/include/asm/ipcbuf.h index b056fa4..84c7e51 100644 --- a/arch/microblaze/include/asm/ipcbuf.h +++ b/arch/microblaze/include/asm/ipcbuf.h @@ -1,36 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_IPCBUF_H -#define _ASM_MICROBLAZE_IPCBUF_H - -/* - * The user_ipc_perm structure for microblaze architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit mode_t and seq - * - 2 miscellaneous 32-bit values - */ - -struct ipc64_perm { - __kernel_key_t key; - __kernel_uid32_t uid; - __kernel_gid32_t gid; - __kernel_uid32_t cuid; - __kernel_gid32_t cgid; - __kernel_mode_t mode; - unsigned short __pad1; - unsigned short seq; - unsigned short __pad2; - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* _ASM_MICROBLAZE_IPCBUF_H */ +#include <asm-generic/ipcbuf.h> diff --git a/arch/microblaze/include/asm/irq.h b/arch/microblaze/include/asm/irq.h index db515de..90f0505 100644 --- a/arch/microblaze/include/asm/irq.h +++ b/arch/microblaze/include/asm/irq.h @@ -10,6 +10,7 @@ #define _ASM_MICROBLAZE_IRQ_H #define NR_IRQS 32 +#include <asm-generic/irq.h> #include <linux/interrupt.h> @@ -17,11 +18,6 @@ extern unsigned int nr_irq; #define NO_IRQ (-1) -static inline int irq_canonicalize(int irq) -{ - return irq; -} - struct pt_regs; extern void do_IRQ(struct pt_regs *regs); diff --git a/arch/microblaze/include/asm/mman.h b/arch/microblaze/include/asm/mman.h index 4914b13..8eebf89 100644 --- a/arch/microblaze/include/asm/mman.h +++ b/arch/microblaze/include/asm/mman.h @@ -1,25 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_MMAN_H -#define _ASM_MICROBLAZE_MMAN_H - #include <asm-generic/mman.h> - -#define MAP_GROWSDOWN 0x0100 /* stack-like segment */ -#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ -#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ -#define MAP_LOCKED 0x2000 /* pages are locked */ -#define MAP_NORESERVE 0x4000 /* don't check for reservations */ -#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ -#define MAP_NONBLOCK 0x10000 /* do not block on IO */ - -#define MCL_CURRENT 1 /* lock all current mappings */ -#define MCL_FUTURE 2 /* lock all future mappings */ - -#endif /* _ASM_MICROBLAZE_MMAN_H */ diff --git a/arch/microblaze/include/asm/mmu.h b/arch/microblaze/include/asm/mmu.h index 66cad6a..8d6a654 100644 --- a/arch/microblaze/include/asm/mmu.h +++ b/arch/microblaze/include/asm/mmu.h @@ -12,12 +12,7 @@ #define _ASM_MICROBLAZE_MMU_H # ifndef CONFIG_MMU -# ifndef __ASSEMBLY__ -typedef struct { - struct vm_list_struct *vmlist; - unsigned long end_brk; -} mm_context_t; -# endif /* __ASSEMBLY__ */ +# include <asm-generic/mmu.h> # else /* CONFIG_MMU */ # ifdef __KERNEL__ # ifndef __ASSEMBLY__ diff --git a/arch/microblaze/include/asm/mmu_context.h b/arch/microblaze/include/asm/mmu_context.h index 385fed1..24eab16 100644 --- a/arch/microblaze/include/asm/mmu_context.h +++ b/arch/microblaze/include/asm/mmu_context.h @@ -1,5 +1,5 @@ #ifdef CONFIG_MMU # include "mmu_context_mm.h" #else -# include "mmu_context_no.h" +# include <asm-generic/mmu_context.h> #endif diff --git a/arch/microblaze/include/asm/mmu_context_no.h b/arch/microblaze/include/asm/mmu_context_no.h deleted file mode 100644 index ba55671..0000000 --- a/arch/microblaze/include/asm/mmu_context_no.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> - * Copyright (C) 2008-2009 PetaLogix - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_MMU_CONTEXT_H -#define _ASM_MICROBLAZE_MMU_CONTEXT_H - -# define init_new_context(tsk, mm) ({ 0; }) - -# define enter_lazy_tlb(mm, tsk) do {} while (0) -# define change_mm_context(old, ctx, _pml4) do {} while (0) -# define destroy_context(mm) do {} while (0) -# define deactivate_mm(tsk, mm) do {} while (0) -# define switch_mm(prev, next, tsk) do {} while (0) -# define activate_mm(prev, next) do {} while (0) - -#endif /* _ASM_MICROBLAZE_MMU_CONTEXT_H */ diff --git a/arch/microblaze/include/asm/module.h b/arch/microblaze/include/asm/module.h index 914565a..7be1347 100644 --- a/arch/microblaze/include/asm/module.h +++ b/arch/microblaze/include/asm/module.h @@ -9,6 +9,8 @@ #ifndef _ASM_MICROBLAZE_MODULE_H #define _ASM_MICROBLAZE_MODULE_H +#include <asm-generic/module.h> + /* Microblaze Relocations */ #define R_MICROBLAZE_NONE 0 #define R_MICROBLAZE_32 1 @@ -24,14 +26,6 @@ /* Keep this the last entry. */ #define R_MICROBLAZE_NUM 11 -struct mod_arch_specific { - int foo; -}; - -#define Elf_Shdr Elf32_Shdr -#define Elf_Sym Elf32_Sym -#define Elf_Ehdr Elf32_Ehdr - typedef struct { volatile int counter; } module_t; #endif /* _ASM_MICROBLAZE_MODULE_H */ diff --git a/arch/microblaze/include/asm/msgbuf.h b/arch/microblaze/include/asm/msgbuf.h index 09dd970..809134c 100644 --- a/arch/microblaze/include/asm/msgbuf.h +++ b/arch/microblaze/include/asm/msgbuf.h @@ -1,31 +1 @@ -#ifndef _ASM_MICROBLAZE_MSGBUF_H -#define _ASM_MICROBLAZE_MSGBUF_H - -/* - * The msqid64_ds structure for microblaze architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 64-bit time_t to solve y2038 problem - * - 2 miscellaneous 32-bit values - */ - -struct msqid64_ds { - struct ipc64_perm msg_perm; - __kernel_time_t msg_stime; /* last msgsnd time */ - unsigned long __unused1; - __kernel_time_t msg_rtime; /* last msgrcv time */ - unsigned long __unused2; - __kernel_time_t msg_ctime; /* last change time */ - unsigned long __unused3; - unsigned long msg_cbytes; /* current number of bytes on queue */ - unsigned long msg_qnum; /* number of messages in queue */ - unsigned long msg_qbytes; /* max number of bytes on queue */ - __kernel_pid_t msg_lspid; /* pid of last msgsnd */ - __kernel_pid_t msg_lrpid; /* last receive pid */ - unsigned long __unused4; - unsigned long __unused5; -}; - -#endif /* _ASM_MICROBLAZE_MSGBUF_H */ +#include <asm-generic/msgbuf.h> diff --git a/arch/microblaze/include/asm/param.h b/arch/microblaze/include/asm/param.h index 8c538a4..965d454 100644 --- a/arch/microblaze/include/asm/param.h +++ b/arch/microblaze/include/asm/param.h @@ -1,30 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_PARAM_H -#define _ASM_MICROBLAZE_PARAM_H - -#ifdef __KERNEL__ -#define HZ CONFIG_HZ /* internal kernel timer frequency */ -#define USER_HZ 100 /* for user interfaces in "ticks" */ -#define CLOCKS_PER_SEC (USER_HZ) /* frequency at which times() counts */ -#endif /* __KERNEL__ */ - -#ifndef HZ -#define HZ 100 -#endif - -#define EXEC_PAGESIZE 4096 - -#ifndef NOGROUP -#define NOGROUP (-1) -#endif - -#define MAXHOSTNAMELEN 64 /* max length of hostname */ - -#endif /* _ASM_MICROBLAZE_PARAM_H */ +#include <asm-generic/param.h> diff --git a/arch/microblaze/include/asm/parport.h b/arch/microblaze/include/asm/parport.h new file mode 100644 index 0000000..cf252af --- /dev/null +++ b/arch/microblaze/include/asm/parport.h @@ -0,0 +1 @@ +#include <asm-generic/parport.h> diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h index ca03794..9f0df5f 100644 --- a/arch/microblaze/include/asm/pci.h +++ b/arch/microblaze/include/asm/pci.h @@ -1 +1 @@ -#include <linux/io.h> +#include <asm-generic/pci.h> diff --git a/arch/microblaze/include/asm/posix_types.h b/arch/microblaze/include/asm/posix_types.h index 8c758b2..0e15039 100644 --- a/arch/microblaze/include/asm/posix_types.h +++ b/arch/microblaze/include/asm/posix_types.h @@ -1,73 +1,9 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - #ifndef _ASM_MICROBLAZE_POSIX_TYPES_H #define _ASM_MICROBLAZE_POSIX_TYPES_H -/* - * This file is generally used by user-level software, so you need to - * be a little careful about namespace pollution etc. Also, we cannot - * assume GCC is being used. - */ - -typedef unsigned long __kernel_ino_t; typedef unsigned short __kernel_mode_t; -typedef unsigned int __kernel_nlink_t; -typedef long __kernel_off_t; -typedef int __kernel_pid_t; -typedef unsigned int __kernel_ipc_pid_t; -typedef unsigned int __kernel_uid_t; -typedef unsigned int __kernel_gid_t; -typedef unsigned long __kernel_size_t; -typedef long __kernel_ssize_t; -typedef int __kernel_ptrdiff_t; -typedef long __kernel_time_t; -typedef long __kernel_suseconds_t; -typedef long __kernel_clock_t; -typedef int __kernel_timer_t; -typedef int __kernel_clockid_t; -typedef int __kernel_daddr_t; -typedef char *__kernel_caddr_t; -typedef unsigned short __kernel_uid16_t; -typedef unsigned short __kernel_gid16_t; -typedef unsigned int __kernel_uid32_t; -typedef unsigned int __kernel_gid32_t; - -typedef unsigned int __kernel_old_uid_t; -typedef unsigned int __kernel_old_gid_t; -typedef unsigned int __kernel_old_dev_t; - -#ifdef __GNUC__ -typedef long long __kernel_loff_t; -#endif - -typedef struct { -#if defined(__KERNEL__) || defined(__USE_ALL) - int val[2]; -#else /* !defined(__KERNEL__) && !defined(__USE_ALL) */ - int __val[2]; -#endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */ -} __kernel_fsid_t; - -#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) - -#undef __FD_SET -#define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d)) - -#undef __FD_CLR -#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d)) - -#undef __FD_ISSET -#define __FD_ISSET(d, set) (!!((set)->fds_bits[__FDELT(d)] & __FDMASK(d))) - -#undef __FD_ZERO -#define __FD_ZERO(fdsetp) (memset(fdsetp, 0, sizeof(*(fd_set *)fdsetp))) +#define __kernel_mode_t __kernel_mode_t -#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */ +#include <asm-generic/posix_types.h> #endif /* _ASM_MICROBLAZE_POSIX_TYPES_H */ diff --git a/arch/microblaze/include/asm/scatterlist.h b/arch/microblaze/include/asm/scatterlist.h index 08ff1d0..35d786f 100644 --- a/arch/microblaze/include/asm/scatterlist.h +++ b/arch/microblaze/include/asm/scatterlist.h @@ -1,28 +1 @@ -/* - * Copyright (C) 2008 Michal Simek <monstr@monstr.eu> - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SCATTERLIST_H -#define _ASM_MICROBLAZE_SCATTERLIST_H - -struct scatterlist { -#ifdef CONFIG_DEBUG_SG - unsigned long sg_magic; -#endif - unsigned long page_link; - dma_addr_t dma_address; - unsigned int offset; - unsigned int length; -}; - -#define sg_dma_address(sg) ((sg)->dma_address) -#define sg_dma_len(sg) ((sg)->length) - -#define ISA_DMA_THRESHOLD (~0UL) - -#endif /* _ASM_MICROBLAZE_SCATTERLIST_H */ +#include <asm-generic/scatterlist.h> diff --git a/arch/microblaze/include/asm/sembuf.h b/arch/microblaze/include/asm/sembuf.h index b804ed7..7673b83 100644 --- a/arch/microblaze/include/asm/sembuf.h +++ b/arch/microblaze/include/asm/sembuf.h @@ -1,34 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SEMBUF_H -#define _ASM_MICROBLAZE_SEMBUF_H - -/* - * The semid64_ds structure for microblaze architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 64-bit time_t to solve y2038 problem - * - 2 miscellaneous 32-bit values - */ - -struct semid64_ds { - struct ipc64_perm sem_perm; /* permissions .. see ipc.h */ - __kernel_time_t sem_otime; /* last semop time */ - unsigned long __unused1; - __kernel_time_t sem_ctime; /* last change time */ - unsigned long __unused2; - unsigned long sem_nsems; /* no. of semaphores in array */ - unsigned long __unused3; - unsigned long __unused4; -}; - - -#endif /* _ASM_MICROBLAZE_SEMBUF_H */ +#include <asm-generic/sembuf.h> diff --git a/arch/microblaze/include/asm/serial.h b/arch/microblaze/include/asm/serial.h index 39bfc8c..a0cb0ca 100644 --- a/arch/microblaze/include/asm/serial.h +++ b/arch/microblaze/include/asm/serial.h @@ -1,14 +1 @@ -/* - * Copyright (C) 2009 Michal Simek <monstr@monstr.eu> - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SERIAL_H -#define _ASM_MICROBLAZE_SERIAL_H - -# define BASE_BAUD (1843200 / 16) - -#endif /* _ASM_MICROBLAZE_SERIAL_H */ +#include <asm-generic/serial.h> diff --git a/arch/microblaze/include/asm/shmbuf.h b/arch/microblaze/include/asm/shmbuf.h index f829c58..83c05fc 100644 --- a/arch/microblaze/include/asm/shmbuf.h +++ b/arch/microblaze/include/asm/shmbuf.h @@ -1,42 +1 @@ -#ifndef _ASM_MICROBLAZE_SHMBUF_H -#define _ASM_MICROBLAZE_SHMBUF_H - -/* - * The shmid64_ds structure for microblaze architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 64-bit time_t to solve y2038 problem - * - 2 miscellaneous 32-bit values - */ - -struct shmid64_ds { - struct ipc64_perm shm_perm; /* operation perms */ - size_t shm_segsz; /* size of segment (bytes) */ - __kernel_time_t shm_atime; /* last attach time */ - unsigned long __unused1; - __kernel_time_t shm_dtime; /* last detach time */ - unsigned long __unused2; - __kernel_time_t shm_ctime; /* last change time */ - unsigned long __unused3; - __kernel_pid_t shm_cpid; /* pid of creator */ - __kernel_pid_t shm_lpid; /* pid of last operator */ - unsigned long shm_nattch; /* no. of current attaches */ - unsigned long __unused4; - unsigned long __unused5; -}; - -struct shminfo64 { - unsigned long shmmax; - unsigned long shmmin; - unsigned long shmmni; - unsigned long shmseg; - unsigned long shmall; - unsigned long __unused1; - unsigned long __unused2; - unsigned long __unused3; - unsigned long __unused4; -}; - -#endif /* _ASM_MICROBLAZE_SHMBUF_H */ +#include <asm-generic/shmbuf.h> diff --git a/arch/microblaze/include/asm/shmparam.h b/arch/microblaze/include/asm/shmparam.h index 9f5fc2b..93f30de 100644 --- a/arch/microblaze/include/asm/shmparam.h +++ b/arch/microblaze/include/asm/shmparam.h @@ -1,6 +1 @@ -#ifndef _ASM_MICROBLAZE_SHMPARAM_H -#define _ASM_MICROBLAZE_SHMPARAM_H - -#define SHMLBA PAGE_SIZE /* attach addr a multiple of this */ - -#endif /* _ASM_MICROBLAZE_SHMPARAM_H */ +#include <asm-generic/shmparam.h> diff --git a/arch/microblaze/include/asm/siginfo.h b/arch/microblaze/include/asm/siginfo.h index f162911..0815d29 100644 --- a/arch/microblaze/include/asm/siginfo.h +++ b/arch/microblaze/include/asm/siginfo.h @@ -1,15 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SIGINFO_H -#define _ASM_MICROBLAZE_SIGINFO_H - -#include <linux/types.h> #include <asm-generic/siginfo.h> - -#endif /* _ASM_MICROBLAZE_SIGINFO_H */ diff --git a/arch/microblaze/include/asm/signal.h b/arch/microblaze/include/asm/signal.h index 46bc226..7b1573c 100644 --- a/arch/microblaze/include/asm/signal.h +++ b/arch/microblaze/include/asm/signal.h @@ -1,165 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * Yasushi SHOJI <yashi@atmark-techno.com> - * Tetsuya OHKAWA <tetsuya@atmark-techno.com> - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SIGNAL_H -#define _ASM_MICROBLAZE_SIGNAL_H - -#define SIGHUP 1 -#define SIGINT 2 -#define SIGQUIT 3 -#define SIGILL 4 -#define SIGTRAP 5 -#define SIGABRT 6 -#define SIGIOT 6 -#define SIGBUS 7 -#define SIGFPE 8 -#define SIGKILL 9 -#define SIGUSR1 10 -#define SIGSEGV 11 -#define SIGUSR2 12 -#define SIGPIPE 13 -#define SIGALRM 14 -#define SIGTERM 15 -#define SIGSTKFLT 16 -#define SIGCHLD 17 -#define SIGCONT 18 -#define SIGSTOP 19 -#define SIGTSTP 20 -#define SIGTTIN 21 -#define SIGTTOU 22 -#define SIGURG 23 -#define SIGXCPU 24 -#define SIGXFSZ 25 -#define SIGVTALRM 26 -#define SIGPROF 27 -#define SIGWINCH 28 -#define SIGIO 29 -#define SIGPOLL SIGIO -/* -#define SIGLOST 29 -*/ -#define SIGPWR 30 -#define SIGSYS 31 -#define SIGUNUSED 31 - -/* These should not be considered constants from userland. */ -#define SIGRTMIN 32 -#define SIGRTMAX _NSIG - -/* - * SA_FLAGS values: - * - * SA_ONSTACK indicates that a registered stack_t will be used. - * SA_RESTART flag to get restarting signals (which were the default long ago) - * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. - * SA_RESETHAND clears the handler when the signal is delivered. - * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. - * SA_NODEFER prevents the current signal from being masked in the handler. - * - * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single - * Unix names RESETHAND and NODEFER respectively. - */ -#define SA_NOCLDSTOP 0x00000001 -#define SA_NOCLDWAIT 0x00000002 -#define SA_SIGINFO 0x00000004 -#define SA_ONSTACK 0x08000000 -#define SA_RESTART 0x10000000 -#define SA_NODEFER 0x40000000 -#define SA_RESETHAND 0x80000000 - -#define SA_NOMASK SA_NODEFER -#define SA_ONESHOT SA_RESETHAND - -#define SA_RESTORER 0x04000000 - -/* - * sigaltstack controls - */ -#define SS_ONSTACK 1 -#define SS_DISABLE 2 - -#define MINSIGSTKSZ 2048 -#define SIGSTKSZ 8192 - -# ifndef __ASSEMBLY__ -# include <linux/types.h> -# include <asm-generic/signal-defs.h> - -/* Avoid too many header ordering problems. */ -struct siginfo; - -# ifdef __KERNEL__ -/* - * Most things should be clean enough to redefine this at will, if care - * is taken to make libc match. - */ -# define _NSIG 64 -# define _NSIG_BPW 32 -# define _NSIG_WORDS (_NSIG / _NSIG_BPW) - -typedef unsigned long old_sigset_t; /* at least 32 bits */ - -typedef struct { - unsigned long sig[_NSIG_WORDS]; -} sigset_t; - -struct old_sigaction { - __sighandler_t sa_handler; - old_sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer)(void); -}; - -struct sigaction { - __sighandler_t sa_handler; - unsigned long sa_flags; - void (*sa_restorer)(void); - sigset_t sa_mask; /* mask last for extensibility */ -}; - -struct k_sigaction { - struct sigaction sa; -}; - -# include <asm/sigcontext.h> -# undef __HAVE_ARCH_SIG_BITOPS - -# define ptrace_signal_deliver(regs, cookie) do { } while (0) - -# else /* !__KERNEL__ */ - -/* Here we must cater to libcs that poke about in kernel headers. */ - -# define NSIG 32 -typedef unsigned long sigset_t; - -struct sigaction { - union { - __sighandler_t _sa_handler; - void (*_sa_sigaction)(int, struct siginfo *, void *); - } _u; - sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer)(void); -}; - -# define sa_handler _u._sa_handler -# define sa_sigaction _u._sa_sigaction - -# endif /* __KERNEL__ */ - -typedef struct sigaltstack { - void *ss_sp; - int ss_flags; - size_t ss_size; -} stack_t; - -# endif /* __ASSEMBLY__ */ -#endif /* _ASM_MICROBLAZE_SIGNAL_H */ +#include <asm-generic/signal.h> diff --git a/arch/microblaze/include/asm/socket.h b/arch/microblaze/include/asm/socket.h index 8259368..6b71384 100644 --- a/arch/microblaze/include/asm/socket.h +++ b/arch/microblaze/include/asm/socket.h @@ -1,69 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SOCKET_H -#define _ASM_MICROBLAZE_SOCKET_H - -#include <asm/sockios.h> - -/* For setsockoptions(2) */ -#define SOL_SOCKET 1 - -#define SO_DEBUG 1 -#define SO_REUSEADDR 2 -#define SO_TYPE 3 -#define SO_ERROR 4 -#define SO_DONTROUTE 5 -#define SO_BROADCAST 6 -#define SO_SNDBUF 7 -#define SO_RCVBUF 8 -#define SO_SNDBUFFORCE 32 -#define SO_RCVBUFFORCE 33 -#define SO_KEEPALIVE 9 -#define SO_OOBINLINE 10 -#define SO_NO_CHECK 11 -#define SO_PRIORITY 12 -#define SO_LINGER 13 -#define SO_BSDCOMPAT 14 -/* To add :#define SO_REUSEPORT 15 */ -#define SO_PASSCRED 16 -#define SO_PEERCRED 17 -#define SO_RCVLOWAT 18 -#define SO_SNDLOWAT 19 -#define SO_RCVTIMEO 20 -#define SO_SNDTIMEO 21 - -/* Security levels - as per NRL IPv6 - don't actually do anything */ -#define SO_SECURITY_AUTHENTICATION 22 -#define SO_SECURITY_ENCRYPTION_TRANSPORT 23 -#define SO_SECURITY_ENCRYPTION_NETWORK 24 - -#define SO_BINDTODEVICE 25 - -/* Socket filtering */ -#define SO_ATTACH_FILTER 26 -#define SO_DETACH_FILTER 27 - -#define SO_PEERNAME 28 -#define SO_TIMESTAMP 29 -#define SCM_TIMESTAMP SO_TIMESTAMP - -#define SO_ACCEPTCONN 30 - -#define SO_PEERSEC 31 -#define SO_PASSSEC 34 - -#define SO_TIMESTAMPNS 35 -#define SCM_TIMESTAMPNS SO_TIMESTAMPNS - -#define SO_MARK 36 - -#define SO_TIMESTAMPING 37 -#define SCM_TIMESTAMPING SO_TIMESTAMPING - -#endif /* _ASM_MICROBLAZE_SOCKET_H */ +#include <asm-generic/socket.h> diff --git a/arch/microblaze/include/asm/sockios.h b/arch/microblaze/include/asm/sockios.h index 9fff57a..def6d47 100644 --- a/arch/microblaze/include/asm/sockios.h +++ b/arch/microblaze/include/asm/sockios.h @@ -1,23 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SOCKIOS_H -#define _ASM_MICROBLAZE_SOCKIOS_H - -#include <linux/ioctl.h> - -/* Socket-level I/O control calls. */ -#define FIOSETOWN 0x8901 -#define SIOCSPGRP 0x8902 -#define FIOGETOWN 0x8903 -#define SIOCGPGRP 0x8904 -#define SIOCATMARK 0x8905 -#define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */ -#define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */ - -#endif /* _ASM_MICROBLAZE_SOCKIOS_H */ +#include <asm-generic/sockios.h> diff --git a/arch/microblaze/include/asm/stat.h b/arch/microblaze/include/asm/stat.h index a15f775..3dc90fa 100644 --- a/arch/microblaze/include/asm/stat.h +++ b/arch/microblaze/include/asm/stat.h @@ -1,68 +1 @@ -/* - * Microblaze stat structure - * - * Copyright (C) 2001,02,03 NEC Electronics Corporation - * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org> - * - * This file is subject to the terms and conditions of the GNU General - * Public License. See the file COPYING in the main directory of this - * archive for more details. - * - * Written by Miles Bader <miles@gnu.org> - */ - -#ifndef _ASM_MICROBLAZE_STAT_H -#define _ASM_MICROBLAZE_STAT_H - -#include <linux/posix_types.h> - -#define STAT_HAVE_NSEC 1 - -struct stat { - unsigned long st_dev; - unsigned long st_ino; - unsigned int st_mode; - unsigned int st_nlink; - unsigned int st_uid; - unsigned int st_gid; - unsigned long st_rdev; - unsigned long __pad1; - long st_size; - int st_blksize; - int __pad2; - long st_blocks; - int st_atime; - unsigned int st_atime_nsec; - int st_mtime; - unsigned int st_mtime_nsec; - int st_ctime; - unsigned int st_ctime_nsec; - unsigned long __unused4; - unsigned long __unused5; -}; - -struct stat64 { - unsigned long long st_dev; /* Device. */ - unsigned long long st_ino; /* File serial number. */ - unsigned int st_mode; /* File mode. */ - unsigned int st_nlink; /* Link count. */ - unsigned int st_uid; /* User ID of the file's owner. */ - unsigned int st_gid; /* Group ID of the file's group. */ - unsigned long long st_rdev; /* Device number, if device. */ - unsigned long long __pad1; - long long st_size; /* Size of file, in bytes. */ - int st_blksize; /* Optimal block size for I/O. */ - int __pad2; - long long st_blocks; /* Number 512-byte blocks allocated. */ - int st_atime; /* Time of last access. */ - unsigned int st_atime_nsec; - int st_mtime; /* Time of last modification. */ - unsigned int st_mtime_nsec; - int st_ctime; /* Time of last status change. */ - unsigned int st_ctime_nsec; - unsigned int __unused4; - unsigned int __unused5; -}; - -#endif /* _ASM_MICROBLAZE_STAT_H */ - +#include <asm-generic/stat.h> diff --git a/arch/microblaze/include/asm/swab.h b/arch/microblaze/include/asm/swab.h index b375d7b..7847e56 100644 --- a/arch/microblaze/include/asm/swab.h +++ b/arch/microblaze/include/asm/swab.h @@ -1,8 +1 @@ -#ifndef _ASM_MICROBLAZE_SWAB_H -#define _ASM_MICROBLAZE_SWAB_H - -#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__) -#define __SWAB_64_THRU_32__ -#endif - -#endif /* _ASM_MICROBLAZE_SWAB_H */ +#include <asm-generic/swab.h> diff --git a/arch/microblaze/include/asm/syscalls.h b/arch/microblaze/include/asm/syscalls.h index ddea9eb..720761c 100644 --- a/arch/microblaze/include/asm/syscalls.h +++ b/arch/microblaze/include/asm/syscalls.h @@ -1,48 +1,8 @@ #ifndef __ASM_MICROBLAZE_SYSCALLS_H -#define __ASM_MICROBLAZE_SYSCALLS_H -#ifdef __KERNEL__ -#include <linux/compiler.h> -#include <linux/linkage.h> -#include <linux/types.h> -#include <linux/signal.h> +asmlinkage long sys_clone(int flags, unsigned long stack, struct pt_regs *regs); +#define sys_clone sys_clone -/* FIXME will be removed */ -asmlinkage int sys_ipc(uint call, int first, int second, - int third, void *ptr, long fifth); +#include <asm-generic/syscalls.h> -struct pt_regs; -asmlinkage int sys_vfork(struct pt_regs *regs); -asmlinkage int sys_clone(int flags, unsigned long stack, struct pt_regs *regs); -asmlinkage int sys_execve(char __user *filenamei, char __user *__user *argv, - char __user *__user *envp, struct pt_regs *regs); - -asmlinkage unsigned long sys_mmap2(unsigned long addr, size_t len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long pgoff); - -asmlinkage unsigned long sys_mmap(unsigned long addr, size_t len, - unsigned long prot, unsigned long flags, - unsigned long fd, off_t offset); - -/* from signal.c */ -asmlinkage int sys_sigsuspend(old_sigset_t mask, struct pt_regs *regs); - -asmlinkage int sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize, - struct pt_regs *regs); - -asmlinkage int sys_sigaction(int sig, const struct old_sigaction *act, - struct old_sigaction *oact); - -asmlinkage long sys_rt_sigaction(int sig, const struct sigaction __user *act, - struct sigaction __user *oact, size_t sigsetsize); - -asmlinkage int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, - struct pt_regs *regs); - -asmlinkage int sys_sigreturn(struct pt_regs *regs); - -asmlinkage int sys_rt_sigreturn(struct pt_regs *regs); - -#endif /* __KERNEL__ */ #endif /* __ASM_MICROBLAZE_SYSCALLS_H */ diff --git a/arch/microblaze/include/asm/system.h b/arch/microblaze/include/asm/system.h index c4e3088..b1ed615 100644 --- a/arch/microblaze/include/asm/system.h +++ b/arch/microblaze/include/asm/system.h @@ -13,6 +13,9 @@ #include <asm/setup.h> #include <asm/irqflags.h> +#include <asm-generic/cmpxchg.h> +#include <asm-generic/cmpxchg-local.h> + struct task_struct; struct thread_info; diff --git a/arch/microblaze/include/asm/termbits.h b/arch/microblaze/include/asm/termbits.h index a1b64bc..3935b10 100644 --- a/arch/microblaze/include/asm/termbits.h +++ b/arch/microblaze/include/asm/termbits.h @@ -1,203 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_TERMBITS_H -#define _ASM_MICROBLAZE_TERMBITS_H - -#include <linux/posix_types.h> - -typedef unsigned char cc_t; -typedef unsigned int speed_t; -typedef unsigned int tcflag_t; - -#define NCCS 19 -struct termios { - tcflag_t c_iflag; /* input mode flags */ - tcflag_t c_oflag; /* output mode flags */ - tcflag_t c_cflag; /* control mode flags */ - tcflag_t c_lflag; /* local mode flags */ - cc_t c_line; /* line discipline */ - cc_t c_cc[NCCS]; /* control characters */ -}; - -struct ktermios { - tcflag_t c_iflag; /* input mode flags */ - tcflag_t c_oflag; /* output mode flags */ - tcflag_t c_cflag; /* control mode flags */ - tcflag_t c_lflag; /* local mode flags */ - cc_t c_line; /* line discipline */ - cc_t c_cc[NCCS]; /* control characters */ - speed_t c_ispeed; /* input speed */ - speed_t c_ospeed; /* output speed */ -}; - -/* c_cc characters */ - -#define VINTR 0 -#define VQUIT 1 -#define VERASE 2 -#define VKILL 3 -#define VEOF 4 -#define VTIME 5 -#define VMIN 6 -#define VSWTC 7 -#define VSTART 8 -#define VSTOP 9 -#define VSUSP 10 -#define VEOL 11 -#define VREPRINT 12 -#define VDISCARD 13 -#define VWERASE 14 -#define VLNEXT 15 -#define VEOL2 16 - -/* c_iflag bits */ - -#define IGNBRK 0000001 -#define BRKINT 0000002 -#define IGNPAR 0000004 -#define PARMRK 0000010 -#define INPCK 0000020 -#define ISTRIP 0000040 -#define INLCR 0000100 -#define IGNCR 0000200 -#define ICRNL 0000400 -#define IUCLC 0001000 -#define IXON 0002000 -#define IXANY 0004000 -#define IXOFF 0010000 -#define IMAXBEL 0020000 -#define IUTF8 0040000 - -/* c_oflag bits */ - -#define OPOST 0000001 -#define OLCUC 0000002 -#define ONLCR 0000004 -#define OCRNL 0000010 -#define ONOCR 0000020 -#define ONLRET 0000040 -#define OFILL 0000100 -#define OFDEL 0000200 -#define NLDLY 0000400 -#define NL0 0000000 -#define NL1 0000400 -#define CRDLY 0003000 -#define CR0 0000000 -#define CR1 0001000 -#define CR2 0002000 -#define CR3 0003000 -#define TABDLY 0014000 -#define TAB0 0000000 -#define TAB1 0004000 -#define TAB2 0010000 -#define TAB3 0014000 -#define XTABS 0014000 -#define BSDLY 0020000 -#define BS0 0000000 -#define BS1 0020000 -#define VTDLY 0040000 -#define VT0 0000000 -#define VT1 0040000 -#define FFDLY 0100000 -#define FF0 0000000 -#define FF1 0100000 - -/* c_cflag bit meaning */ - -#define CBAUD 0010017 -#define B0 0000000 /* hang up */ -#define B50 0000001 -#define B75 0000002 -#define B110 0000003 -#define B134 0000004 -#define B150 0000005 -#define B200 0000006 -#define B300 0000007 -#define B600 0000010 -#define B1200 0000011 -#define B1800 0000012 -#define B2400 0000013 -#define B4800 0000014 -#define B9600 0000015 -#define B19200 0000016 -#define B38400 0000017 -#define EXTA B19200 -#define EXTB B38400 -#define CSIZE 0000060 -#define CS5 0000000 -#define CS6 0000020 -#define CS7 0000040 -#define CS8 0000060 -#define CSTOPB 0000100 -#define CREAD 0000200 -#define PARENB 0000400 -#define PARODD 0001000 -#define HUPCL 0002000 -#define CLOCAL 0004000 -#define CBAUDEX 0010000 -#define B57600 0010001 -#define B115200 0010002 -#define B230400 0010003 -#define B460800 0010004 -#define B500000 0010005 -#define B576000 0010006 -#define B921600 0010007 -#define BOTHER 0010000 -#define B1000000 0010010 -#define B1152000 0010011 -#define B1500000 0010012 -#define B2000000 0010013 -#define B2500000 0010014 -#define B3000000 0010015 -#define B3500000 0010016 -#define B4000000 0010017 -#define CIBAUD 002003600000 /* input baud rate (not used) */ -#define CMSPAR 010000000000 /* mark or space (stick) parity */ -#define CRTSCTS 020000000000 /* flow control */ - -#define IBSHIFT 16 /* Shift from CBAUD to CIBAUD */ - -/* c_lflag bits */ - -#define ISIG 0000001 -#define ICANON 0000002 -#define XCASE 0000004 -#define ECHO 0000010 -#define ECHOE 0000020 -#define ECHOK 0000040 -#define ECHONL 0000100 -#define NOFLSH 0000200 -#define TOSTOP 0000400 -#define ECHOCTL 0001000 -#define ECHOPRT 0002000 -#define ECHOKE 0004000 -#define FLUSHO 0010000 -#define PENDIN 0040000 -#define IEXTEN 0100000 - -/* tcflow() and TCXONC use these */ - -#define TCOOFF 0 -#define TCOON 1 -#define TCIOFF 2 -#define TCION 3 - -/* tcflush() and TCFLSH use these */ - -#define TCIFLUSH 0 -#define TCOFLUSH 1 -#define TCIOFLUSH 2 - -/* tcsetattr uses these */ - -#define TCSANOW 0 -#define TCSADRAIN 1 -#define TCSAFLUSH 2 - -#endif /* _ASM_MICROBLAZE_TERMBITS_H */ +#include <asm-generic/termbits.h> diff --git a/arch/microblaze/include/asm/termios.h b/arch/microblaze/include/asm/termios.h index 47a46d1..280d78a 100644 --- a/arch/microblaze/include/asm/termios.h +++ b/arch/microblaze/include/asm/termios.h @@ -1,88 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_TERMIOS_H -#define _ASM_MICROBLAZE_TERMIOS_H - -#include <linux/string.h> -#include <asm/termbits.h> -#include <asm/ioctls.h> - -struct winsize { - unsigned short ws_row; - unsigned short ws_col; - unsigned short ws_xpixel; - unsigned short ws_ypixel; -}; - -#define NCC 8 -struct termio { - unsigned short c_iflag; /* input mode flags */ - unsigned short c_oflag; /* output mode flags */ - unsigned short c_cflag; /* control mode flags */ - unsigned short c_lflag; /* local mode flags */ - unsigned char c_line; /* line discipline */ - unsigned char c_cc[NCC]; /* control characters */ -}; - -#ifdef __KERNEL__ -/* intr=^C quit=^| erase=del kill=^U - eof=^D vtime=\0 vmin=\1 sxtc=\0 - start=^Q stop=^S susp=^Z eol=\0 - reprint=^R discard=^U werase=^W lnext=^V - eol2=\0 -*/ -#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" -#endif - -/* Modem lines */ - -#define TIOCM_LE 0x001 -#define TIOCM_DTR 0x002 -#define TIOCM_RTS 0x004 -#define TIOCM_ST 0x008 -#define TIOCM_SR 0x010 -#define TIOCM_CTS 0x020 -#define TIOCM_CAR 0x040 -#define TIOCM_RNG 0x080 -#define TIOCM_DSR 0x100 -#define TIOCM_CD TIOCM_CAR -#define TIOCM_RI TIOCM_RNG -#define TIOCM_OUT1 0x2000 -#define TIOCM_OUT2 0x4000 -#define TIOCM_LOOP 0x8000 - -/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ - -/* Line disciplines */ - -#define N_TTY 0 -#define N_SLIP 1 -#define N_MOUSE 2 -#define N_PPP 3 -#define N_STRIP 4 -#define N_AX25 5 -#define N_X25 6 /* X.25 async */ -#define N_6PACK 7 -#define N_MASC 8 /* Reserved for Mobitex module <kaz@cafe.net> */ -#define N_R3964 9 /* Reserved for Simatic R3964 module */ -#define N_PROFIBUS_FDL 10 /* Reserved for Profibus <Dave@mvhi.com> */ -#define N_IRDA 11 /* Linux IR - http://irda.sourceforge.net/ */ -#define N_SMSBLOCK 12 /* SMS block mode - for talking to GSM data cards - about SMS messages */ -#define N_HDLC 13 /* synchronous HDLC */ -#define N_SYNC_PPP 14 -#define N_HCI 15 /* Bluetooth HCI UART */ - -#ifdef __KERNEL__ - -#include <asm-generic/termios-base.h> - -#endif /* __KERNEL__ */ - -#endif /* _ASM_MICROBLAZE_TERMIOS_H */ +#include <asm-generic/termios.h> diff --git a/arch/microblaze/include/asm/timex.h b/arch/microblaze/include/asm/timex.h index 678525d..befcf3d 100644 --- a/arch/microblaze/include/asm/timex.h +++ b/arch/microblaze/include/asm/timex.h @@ -9,10 +9,8 @@ #ifndef _ASM_MICROBLAZE_TIMEX_H #define _ASM_MICROBLAZE_TIMEX_H -#define CLOCK_TICK_RATE 1000 /* Timer input freq. */ - -typedef unsigned long cycles_t; +#include <asm-generic/timex.h> -#define get_cycles() (0) +#define CLOCK_TICK_RATE 1000 /* Timer input freq. */ #endif /* _ASM_TIMEX_H */ diff --git a/arch/microblaze/include/asm/types.h b/arch/microblaze/include/asm/types.h index bebc018..b9e79bc 100644 --- a/arch/microblaze/include/asm/types.h +++ b/arch/microblaze/include/asm/types.h @@ -1,38 +1 @@ -/* - * Copyright (C) Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_TYPES_H -#define _ASM_MICROBLAZE_TYPES_H - -/* - * This file is never included by application software unless - * explicitly requested (e.g., via linux/types.h) in which case the - * application is Linux specific so (user-) name space pollution is - * not a major issue. However, for interoperability, libraries still - * need to be careful to avoid a name clashes. - */ - -#include <asm-generic/int-ll64.h> - -# ifndef __ASSEMBLY__ - -typedef unsigned short umode_t; - -/* - * These aren't exported outside the kernel to avoid name space clashes - */ -# ifdef __KERNEL__ -# define BITS_PER_LONG 32 - -/* Dma addresses are 32-bits wide. */ - -typedef u32 dma_addr_t; - -# endif/* __KERNEL__ */ -# endif /* __ASSEMBLY__ */ -#endif /* _ASM_MICROBLAZE_TYPES_H */ +#include <asm-generic/types.h> diff --git a/arch/microblaze/include/asm/ucontext.h b/arch/microblaze/include/asm/ucontext.h index 11f6bb3..9bc07b9 100644 --- a/arch/microblaze/include/asm/ucontext.h +++ b/arch/microblaze/include/asm/ucontext.h @@ -1,22 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_UCONTEXT_H -#define _ASM_MICROBLAZE_UCONTEXT_H - -#include <asm/sigcontext.h> - -struct ucontext { - unsigned long uc_flags; - struct ucontext *uc_link; - stack_t uc_stack; - struct sigcontext uc_mcontext; - sigset_t uc_sigmask; /* mask last for extensibility */ -}; - -#endif /* _ASM_MICROBLAZE_UCONTEXT_H */ +#include <asm-generic/ucontext.h> diff --git a/arch/microblaze/include/asm/unistd.h b/arch/microblaze/include/asm/unistd.h index b5e2f5f..0b85232 100644 --- a/arch/microblaze/include/asm/unistd.h +++ b/arch/microblaze/include/asm/unistd.h @@ -380,8 +380,10 @@ #define __NR_accept04 362 /* new */ #define __NR_preadv 363 /* new */ #define __NR_pwritev 364 /* new */ +#define __NR_rt_tgsigqueueinfo 365 /* new */ +#define __NR_perf_counter_open 366 /* new */ -#define __NR_syscalls 365 +#define __NR_syscalls 367 #ifdef __KERNEL__ #ifndef __ASSEMBLY__ @@ -408,7 +410,7 @@ #define __ARCH_WANT_SYS_SIGPENDING #define __ARCH_WANT_SYS_SIGPROCMASK #define __ARCH_WANT_SYS_RT_SIGACTION -/* #define __ARCH_WANT_SYS_RT_SIGSUSPEND */ +#define __ARCH_WANT_SYS_RT_SIGSUSPEND /* * "Conditional" syscalls diff --git a/arch/microblaze/include/asm/vga.h b/arch/microblaze/include/asm/vga.h index 8b13789..89d82fd 100644 --- a/arch/microblaze/include/asm/vga.h +++ b/arch/microblaze/include/asm/vga.h @@ -1 +1 @@ - +#include <asm-generic/vga.h> diff --git a/arch/microblaze/kernel/entry-nommu.S b/arch/microblaze/kernel/entry-nommu.S index 1fce6b8..9083d85 100644 --- a/arch/microblaze/kernel/entry-nommu.S +++ b/arch/microblaze/kernel/entry-nommu.S @@ -551,30 +551,22 @@ no_work_pending: rtid r14, 0 nop -sys_vfork_wrapper: - brid sys_vfork +sys_vfork: + brid microblaze_vfork addk r5, r1, r0 -sys_clone_wrapper: - brid sys_clone +sys_clone: + brid microblaze_clone addk r7, r1, r0 -sys_execve_wrapper: - brid sys_execve +sys_execve: + brid microblaze_execve addk r8, r1, r0 -sys_sigreturn_wrapper: - brid sys_sigreturn - addk r5, r1, r0 - sys_rt_sigreturn_wrapper: brid sys_rt_sigreturn addk r5, r1, r0 -sys_sigsuspend_wrapper: - brid sys_rt_sigsuspend - addk r6, r1, r0 - sys_rt_sigsuspend_wrapper: brid sys_rt_sigsuspend addk r7, r1, r0 diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S index 91a0e7b..c7353e7 100644 --- a/arch/microblaze/kernel/entry.S +++ b/arch/microblaze/kernel/entry.S @@ -429,12 +429,11 @@ C_ENTRY(ret_from_fork): brid ret_from_trap; /* Do normal trap return */ nop; -C_ENTRY(sys_vfork_wrapper): +C_ENTRY(sys_vfork): + brid microblaze_vfork /* Do real work (tail-call) */ la r5, r1, PTO - brid sys_vfork /* Do real work (tail-call) */ - nop -C_ENTRY(sys_clone_wrapper): +C_ENTRY(sys_clone): bnei r6, 1f; /* See if child SP arg (arg 1) is 0. */ lwi r6, r1, PTO+PT_R1; /* If so, use paret's stack ptr */ 1: la r7, r1, PTO; /* Arg 2: parent context */ @@ -444,20 +443,9 @@ C_ENTRY(sys_clone_wrapper): brid do_fork /* Do real work (tail-call) */ nop; -C_ENTRY(sys_execve_wrapper): +C_ENTRY(sys_execve): la r8, r1, PTO; /* add user context as 4th arg */ - brid sys_execve; /* Do real work (tail-call).*/ - nop; - -C_ENTRY(sys_sigsuspend_wrapper): - swi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */ - swi r4, r1, PTO+PT_R4; - la r6, r1, PTO; /* add user context as 2nd arg */ - bralid r15, sys_sigsuspend; /* Do real work.*/ - nop; - lwi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */ - lwi r4, r1, PTO+PT_R4; - bri ret_from_trap /* fall through will not work here due to align */ + brid microblaze_execve; /* Do real work (tail-call).*/ nop; C_ENTRY(sys_rt_sigsuspend_wrapper): @@ -471,18 +459,6 @@ C_ENTRY(sys_rt_sigsuspend_wrapper): bri ret_from_trap /* fall through will not work here due to align */ nop; - -C_ENTRY(sys_sigreturn_wrapper): - swi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */ - swi r4, r1, PTO+PT_R4; - la r5, r1, PTO; /* add user context as 1st arg */ - brlid r15, sys_sigreturn; /* Do real work.*/ - nop; - lwi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */ - lwi r4, r1, PTO+PT_R4; - bri ret_from_trap /* fall through will not work here due to align */ - nop; - C_ENTRY(sys_rt_sigreturn_wrapper): swi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */ swi r4, r1, PTO+PT_R4; diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c index 4c0e652..493819c 100644 --- a/arch/microblaze/kernel/signal.c +++ b/arch/microblaze/kernel/signal.c @@ -45,91 +45,8 @@ asmlinkage int do_signal(struct pt_regs *regs, sigset_t *oldset, int in_sycall); -/* - * Atomically swap in the new signal mask, and wait for a signal. - */ -asmlinkage int -sys_sigsuspend(old_sigset_t mask, struct pt_regs *regs) -{ - sigset_t saveset; - - mask &= _BLOCKABLE; - spin_lock_irq(¤t->sighand->siglock); - saveset = current->blocked; - siginitset(¤t->blocked, mask); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - - regs->r3 = -EINTR; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - if (do_signal(regs, &saveset, 1)) - return -EINTR; - } -} - -asmlinkage int -sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize, - struct pt_regs *regs) -{ - sigset_t saveset, newset; - - /* XXX: Don't preclude handling different sized sigset_t's. */ - if (sigsetsize != sizeof(sigset_t)) - return -EINVAL; - - if (copy_from_user(&newset, unewset, sizeof(newset))) - return -EFAULT; - sigdelsetmask(&newset, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - saveset = current->blocked; - current->blocked = newset; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - - regs->r3 = -EINTR; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - if (do_signal(regs, &saveset, 1)) - return -EINTR; - } -} - -asmlinkage int -sys_sigaction(int sig, const struct old_sigaction *act, - struct old_sigaction *oact) -{ - struct k_sigaction new_ka, old_ka; - int ret; - - if (act) { - old_sigset_t mask; - if (!access_ok(VERIFY_READ, act, sizeof(*act)) || - __get_user(new_ka.sa.sa_handler, &act->sa_handler) || - __get_user(new_ka.sa.sa_restorer, &act->sa_restorer)) - return -EFAULT; - __get_user(new_ka.sa.sa_flags, &act->sa_flags); - __get_user(mask, &act->sa_mask); - siginitset(&new_ka.sa.sa_mask, mask); - } - ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); - - if (!ret && oact) { - if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) || - __put_user(old_ka.sa.sa_handler, &oact->sa_handler) || - __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer)) - return -EFAULT; - __put_user(old_ka.sa.sa_flags, &oact->sa_flags); - __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask); - } - - return ret; -} - -asmlinkage int +asmlinkage long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, struct pt_regs *regs) { @@ -139,7 +56,6 @@ sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, /* * Do a signal return; undo the signal stack. */ - struct sigframe { struct sigcontext sc; unsigned long extramask[_NSIG_WORDS-1]; @@ -176,40 +92,7 @@ static int restore_sigcontext(struct pt_regs *regs, return err; } -asmlinkage int sys_sigreturn(struct pt_regs *regs) -{ - struct sigframe *frame = - (struct sigframe *)(regs->r1 + STATE_SAVE_ARG_SPACE); - - sigset_t set; - int rval; - - if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) - goto badframe; - - if (__get_user(set.sig[0], &frame->sc.oldmask) - || (_NSIG_WORDS > 1 - && __copy_from_user(&set.sig[1], &frame->extramask, - sizeof(frame->extramask)))) - goto badframe; - - sigdelsetmask(&set, ~_BLOCKABLE); - - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - - if (restore_sigcontext(regs, &frame->sc, &rval)) - goto badframe; - return rval; - -badframe: - force_sig(SIGSEGV, current); - return 0; -} - -asmlinkage int sys_rt_sigreturn(struct pt_regs *regs) +asmlinkage long sys_rt_sigreturn(struct pt_regs *regs) { struct rt_sigframe __user *frame = (struct rt_sigframe __user *)(regs->r1 + STATE_SAVE_ARG_SPACE); @@ -324,21 +207,17 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, /* Set up to return from userspace. If provided, use a stub already in userspace. */ /* minus 8 is offset to cater for "rtsd r15,8" */ - if (ka->sa.sa_flags & SA_RESTORER) { - regs->r15 = ((unsigned long)ka->sa.sa_restorer)-8; - } else { - /* addi r12, r0, __NR_sigreturn */ - err |= __put_user(0x31800000 | __NR_rt_sigreturn , - frame->tramp + 0); - /* brki r14, 0x8 */ - err |= __put_user(0xb9cc0008, frame->tramp + 1); - - /* Return from sighandler will jump to the tramp. - Negative 8 offset because return is rtsd r15, 8 */ - regs->r15 = ((unsigned long)frame->tramp)-8; - - __invalidate_cache_sigtramp((unsigned long)frame->tramp); - } + /* addi r12, r0, __NR_sigreturn */ + err |= __put_user(0x31800000 | __NR_rt_sigreturn , + frame->tramp + 0); + /* brki r14, 0x8 */ + err |= __put_user(0xb9cc0008, frame->tramp + 1); + + /* Return from sighandler will jump to the tramp. + Negative 8 offset because return is rtsd r15, 8 */ + regs->r15 = ((unsigned long)frame->tramp)-8; + + __invalidate_cache_sigtramp((unsigned long)frame->tramp); if (err) goto give_sigsegv; @@ -405,7 +284,7 @@ do_restart: * OK, we're invoking a handler */ -static void +static int handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset, struct pt_regs *regs) { @@ -426,6 +305,7 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); } + return 1; } /* @@ -456,7 +336,9 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset, int in_syscall) if (kernel_mode(regs)) return 1; - if (!oldset) + if (current_thread_info()->status & TS_RESTORE_SIGMASK) + oldset = ¤t->saved_sigmask; + else oldset = ¤t->blocked; signr = get_signal_to_deliver(&info, &ka, regs, NULL); @@ -464,13 +346,31 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset, int in_syscall) /* Whee! Actually deliver the signal. */ if (in_syscall) handle_restart(regs, &ka, 1); - handle_signal(signr, &ka, &info, oldset, regs); + if (handle_signal(signr, &ka, &info, oldset, regs)) { + /* + * A signal was successfully delivered; the saved + * sigmask will have been stored in the signal frame, + * and will be restored by sigreturn, so we can simply + * clear the TS_RESTORE_SIGMASK flag. + */ + current_thread_info()->status &= + ~TS_RESTORE_SIGMASK; + } return 1; } if (in_syscall) handle_restart(regs, NULL, 0); + /* + * If there's no signal to deliver, we just put the saved sigmask + * back. + */ + if (current_thread_info()->status & TS_RESTORE_SIGMASK) { + current_thread_info()->status &= ~TS_RESTORE_SIGMASK; + sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); + } + /* Did we come from a system call? */ return 0; } diff --git a/arch/microblaze/kernel/sys_microblaze.c b/arch/microblaze/kernel/sys_microblaze.c index 31905ff..8c9ebac 100644 --- a/arch/microblaze/kernel/sys_microblaze.c +++ b/arch/microblaze/kernel/sys_microblaze.c @@ -39,7 +39,7 @@ * * This is really horribly ugly. This will be remove with new toolchain. */ -asmlinkage int +asmlinkage long sys_ipc(uint call, int first, int second, int third, void *ptr, long fifth) { int version, ret; @@ -134,20 +134,20 @@ sys_ipc(uint call, int first, int second, int third, void *ptr, long fifth) return ret; } -asmlinkage int sys_vfork(struct pt_regs *regs) +asmlinkage long microblaze_vfork(struct pt_regs *regs) { return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs->r1, regs, 0, NULL, NULL); } -asmlinkage int sys_clone(int flags, unsigned long stack, struct pt_regs *regs) +asmlinkage long microblaze_clone(int flags, unsigned long stack, struct pt_regs *regs) { if (!stack) stack = regs->r1; return do_fork(flags, stack, regs, 0, NULL, NULL); } -asmlinkage int sys_execve(char __user *filenamei, char __user *__user *argv, +asmlinkage long microblaze_execve(char __user *filenamei, char __user *__user *argv, char __user *__user *envp, struct pt_regs *regs) { int error; @@ -163,8 +163,8 @@ out: return error; } -asmlinkage unsigned long -sys_mmap2(unsigned long addr, size_t len, +asmlinkage long +sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff) { @@ -189,18 +189,18 @@ out: return ret; } -asmlinkage unsigned long sys_mmap(unsigned long addr, size_t len, +asmlinkage long sys_mmap(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, - unsigned long fd, off_t offset) + unsigned long fd, off_t pgoff) { int err = -EINVAL; - if (offset & ~PAGE_MASK) { + if (pgoff & ~PAGE_MASK) { printk(KERN_INFO "no pagemask in mmap\r\n"); goto out; } - err = sys_mmap2(addr, len, prot, flags, fd, offset >> PAGE_SHIFT); + err = sys_mmap2(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT); out: return err; } diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S index 376d178..31b32a6 100644 --- a/arch/microblaze/kernel/syscall_table.S +++ b/arch/microblaze/kernel/syscall_table.S @@ -15,7 +15,7 @@ ENTRY(sys_call_table) .long sys_creat .long sys_link .long sys_unlink /* 10 */ - .long sys_execve_wrapper + .long sys_execve .long sys_chdir .long sys_time .long sys_mknod @@ -71,12 +71,12 @@ ENTRY(sys_call_table) .long sys_getppid .long sys_getpgrp /* 65 */ .long sys_setsid - .long sys_sigaction + .long sys_ni_syscall /* sys_sigaction */ .long sys_sgetmask .long sys_ssetmask .long sys_setreuid /* 70 */ .long sys_setregid - .long sys_sigsuspend_wrapper + .long sys_ni_syscall /* sys_sigsuspend_wrapper */ .long sys_sigpending .long sys_sethostname .long sys_setrlimit /* 75 */ @@ -123,8 +123,8 @@ ENTRY(sys_call_table) .long sys_sysinfo .long sys_ipc .long sys_fsync - .long sys_sigreturn_wrapper - .long sys_clone_wrapper /* 120 */ + .long sys_ni_syscall /* sys_sigreturn_wrapper */ + .long sys_clone /* 120 */ .long sys_setdomainname .long sys_newuname .long sys_ni_syscall /* modify_ldt */ @@ -194,7 +194,7 @@ ENTRY(sys_call_table) .long sys_sendfile .long sys_ni_syscall /* reserved for streams1 */ .long sys_ni_syscall /* reserved for streams2 */ - .long sys_vfork_wrapper /* 190 */ + .long sys_vfork /* 190 */ .long sys_getrlimit .long sys_mmap2 /* mmap2 */ .long sys_truncate64 @@ -369,3 +369,5 @@ ENTRY(sys_call_table) .long sys_ni_syscall .long sys_ni_syscall .long sys_ni_syscall + .long sys_rt_tgsigqueueinfo /* 365 */ + .long sys_perf_counter_open diff --git a/arch/microblaze/lib/Makefile b/arch/microblaze/lib/Makefile index 71c8cb6..b579db0 100644 --- a/arch/microblaze/lib/Makefile +++ b/arch/microblaze/lib/Makefile @@ -2,7 +2,7 @@ # Makefile # -lib-y := memset.o checksum.o +lib-y := memset.o ifeq ($(CONFIG_OPT_LIB_ASM),y) lib-y += fastcopy.o diff --git a/arch/microblaze/lib/checksum.c b/arch/microblaze/lib/checksum.c deleted file mode 100644 index f08e745..0000000 --- a/arch/microblaze/lib/checksum.c +++ /dev/null @@ -1,172 +0,0 @@ -/* - * - * INET An implementation of the TCP/IP protocol suite for the LINUX - * operating system. INET is implemented using the BSD Socket - * interface as the means of communication with the user level. - * - * IP/TCP/UDP checksumming routines - * - * Authors: Jorge Cwik, <jorge@laser.satlink.net> - * Arnt Gulbrandsen, <agulbra@nvg.unit.no> - * Tom May, <ftom@netcom.com> - * Andreas Schwab, <schwab@issan.informatik.uni-dortmund.de> - * Lots of code moved from tcp.c and ip.c; see those files - * for more names. - * - * 03/02/96 Jes Sorensen, Andreas Schwab, Roman Hodek: - * Fixed some nasty bugs, causing some horrible crashes. - * A: At some points, the sum (%0) was used as - * length-counter instead of the length counter - * (%1). Thanks to Roman Hodek for pointing this out. - * B: GCC seems to mess up if one uses too many - * data-registers to hold input values and one tries to - * specify d0 and d1 as scratch registers. Letting gcc - * choose these registers itself solves the problem. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -/* Revised by Kenneth Albanowski for m68knommu. Basic problem: unaligned access - kills, so most of the assembly has to go. */ - -#include <linux/module.h> -#include <net/checksum.h> - -#include <asm/byteorder.h> - -static inline unsigned short from32to16(unsigned long x) -{ - /* add up 16-bit and 16-bit for 16+c bit */ - x = (x & 0xffff) + (x >> 16); - /* add up carry.. */ - x = (x & 0xffff) + (x >> 16); - return x; -} - -static unsigned int do_csum(const unsigned char *buff, int len) -{ - int odd, count; - unsigned long result = 0; - - if (len <= 0) - goto out; - odd = 1 & (unsigned long) buff; - if (odd) { - result = *buff; - len--; - buff++; - } - count = len >> 1; /* nr of 16-bit words.. */ - if (count) { - if (2 & (unsigned long) buff) { - result += *(unsigned short *) buff; - count--; - len -= 2; - buff += 2; - } - count >>= 1; /* nr of 32-bit words.. */ - if (count) { - unsigned long carry = 0; - do { - unsigned long w = *(unsigned long *) buff; - count--; - buff += 4; - result += carry; - result += w; - carry = (w > result); - } while (count); - result += carry; - result = (result & 0xffff) + (result >> 16); - } - if (len & 2) { - result += *(unsigned short *) buff; - buff += 2; - } - } - if (len & 1) - result += (*buff << 8); - result = from32to16(result); - if (odd) - result = ((result >> 8) & 0xff) | ((result & 0xff) << 8); -out: - return result; -} - -/* - * This is a version of ip_compute_csum() optimized for IP headers, - * which always checksum on 4 octet boundaries. - */ -__sum16 ip_fast_csum(const void *iph, unsigned int ihl) -{ - return (__force __sum16)~do_csum(iph, ihl*4); -} -EXPORT_SYMBOL(ip_fast_csum); - -/* - * computes the checksum of a memory block at buff, length len, - * and adds in "sum" (32-bit) - * - * returns a 32-bit number suitable for feeding into itself - * or csum_tcpudp_magic - * - * this function must be called with even lengths, except - * for the last fragment, which may be odd - * - * it's best to have buff aligned on a 32-bit boundary - */ -__wsum csum_partial(const void *buff, int len, __wsum wsum) -{ - unsigned int sum = (__force unsigned int)wsum; - unsigned int result = do_csum(buff, len); - - /* add in old sum, and carry.. */ - result += sum; - if (sum > result) - result += 1; - return (__force __wsum)result; -} -EXPORT_SYMBOL(csum_partial); - -/* - * this routine is used for miscellaneous IP-like checksums, mainly - * in icmp.c - */ -__sum16 ip_compute_csum(const void *buff, int len) -{ - return (__force __sum16)~do_csum(buff, len); -} -EXPORT_SYMBOL(ip_compute_csum); - -/* - * copy from fs while checksumming, otherwise like csum_partial - */ -__wsum -csum_partial_copy_from_user(const void __user *src, void *dst, int len, - __wsum sum, int *csum_err) -{ - int missing; - - missing = __copy_from_user(dst, src, len); - if (missing) { - memset(dst + len - missing, 0, missing); - *csum_err = -EFAULT; - } else - *csum_err = 0; - - return csum_partial(dst, len, sum); -} -EXPORT_SYMBOL(csum_partial_copy_from_user); - -/* - * copy from ds while checksumming, otherwise like csum_partial - */ -__wsum -csum_partial_copy(const void *src, void *dst, int len, __wsum sum) -{ - memcpy(dst, src, len); - return csum_partial(dst, len, sum); -} -EXPORT_SYMBOL(csum_partial_copy); diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c index b5a701c..8d92c4e 100644 --- a/arch/microblaze/mm/init.c +++ b/arch/microblaze/mm/init.c @@ -80,15 +80,15 @@ void __init setup_memory(void) memory_size = memory_end - memory_start; PAGE_OFFSET = memory_start; printk(KERN_INFO "%s: Main mem: 0x%x-0x%x, " - "size 0x%08x\n", __func__, memory_start, - memory_end, memory_size); + "size 0x%08x\n", __func__, (u32) memory_start, + (u32) memory_end, (u32) memory_size); break; } } if (!memory_start || !memory_end) { panic("%s: Missing memory setting 0x%08x-0x%08x\n", - __func__, memory_start, memory_end); + __func__, (u32) memory_start, (u32) memory_end); } /* reservation of region where is the kernel */ diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 8c4be1f..3ca0fe1 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -22,6 +22,26 @@ choice config MACH_ALCHEMY bool "Alchemy processor based machines" +config AR7 + bool "Texas Instruments AR7" + select BOOT_ELF32 + select DMA_NONCOHERENT + select CEVT_R4K + select CSRC_R4K + select IRQ_CPU + select NO_EXCEPT_FILL + select SWAP_IO_SPACE + select SYS_HAS_CPU_MIPS32_R1 + select SYS_HAS_EARLY_PRINTK + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_LITTLE_ENDIAN + select GENERIC_GPIO + select GCD + select VLYNQ + help + Support for the Texas Instruments AR7 System-on-a-Chip + family: TNETD7100, 7200 and 7300. + config BASLER_EXCITE bool "Basler eXcite smart camera" select CEVT_R4K @@ -209,7 +229,7 @@ config MIPS_MALTA select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN - select SYS_SUPPORTS_MIPS_CMP if BROKEN # because SYNC_R4K is broken + select SYS_SUPPORTS_MIPS_CMP select SYS_SUPPORTS_MULTITHREADING select SYS_SUPPORTS_SMARTMIPS help @@ -247,6 +267,7 @@ config MACH_VR41XX select CEVT_R4K select CSRC_R4K select SYS_HAS_CPU_VR41XX + select ARCH_REQUIRE_GPIOLIB config NXP_STB220 bool "NXP STB220 board" @@ -1635,7 +1656,7 @@ config MIPS_APSP_KSPD config MIPS_CMP bool "MIPS CMP framework support" depends on SYS_SUPPORTS_MIPS_CMP - select SYNC_R4K if BROKEN + select SYNC_R4K select SYS_SUPPORTS_SMP select SYS_SUPPORTS_SCHED_SMT if SMP select WEAK_ORDERING @@ -2147,11 +2168,11 @@ menu "Power management options" config ARCH_HIBERNATION_POSSIBLE def_bool y - depends on SYS_SUPPORTS_HOTPLUG_CPU + depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP config ARCH_SUSPEND_POSSIBLE def_bool y - depends on SYS_SUPPORTS_HOTPLUG_CPU + depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP source "kernel/power/Kconfig" diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 807572a..861da51 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -173,6 +173,13 @@ libs-y += arch/mips/fw/lib/ # # +# Texas Instruments AR7 +# +core-$(CONFIG_AR7) += arch/mips/ar7/ +cflags-$(CONFIG_AR7) += -I$(srctree)/arch/mips/include/asm/mach-ar7 +load-$(CONFIG_AR7) += 0xffffffff94100000 + +# # Acer PICA 61, Mips Magnum 4000 and Olivetti M700. # core-$(CONFIG_MACH_JAZZ) += arch/mips/jazz/ diff --git a/arch/mips/ar7/Makefile b/arch/mips/ar7/Makefile new file mode 100644 index 0000000..7435e44 --- /dev/null +++ b/arch/mips/ar7/Makefile @@ -0,0 +1,10 @@ + +obj-y := \ + prom.o \ + setup.o \ + memory.o \ + irq.o \ + time.o \ + platform.o \ + gpio.o \ + clock.o diff --git a/arch/mips/ar7/clock.c b/arch/mips/ar7/clock.c new file mode 100644 index 0000000..27dc666 --- /dev/null +++ b/arch/mips/ar7/clock.c @@ -0,0 +1,440 @@ +/* + * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2007 Eugene Konev <ejka@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/gcd.h> +#include <linux/io.h> + +#include <asm/addrspace.h> +#include <asm/mach-ar7/ar7.h> + +#define BOOT_PLL_SOURCE_MASK 0x3 +#define CPU_PLL_SOURCE_SHIFT 16 +#define BUS_PLL_SOURCE_SHIFT 14 +#define USB_PLL_SOURCE_SHIFT 18 +#define DSP_PLL_SOURCE_SHIFT 22 +#define BOOT_PLL_SOURCE_AFE 0 +#define BOOT_PLL_SOURCE_BUS 0 +#define BOOT_PLL_SOURCE_REF 1 +#define BOOT_PLL_SOURCE_XTAL 2 +#define BOOT_PLL_SOURCE_CPU 3 +#define BOOT_PLL_BYPASS 0x00000020 +#define BOOT_PLL_ASYNC_MODE 0x02000000 +#define BOOT_PLL_2TO1_MODE 0x00008000 + +#define TNETD7200_CLOCK_ID_CPU 0 +#define TNETD7200_CLOCK_ID_DSP 1 +#define TNETD7200_CLOCK_ID_USB 2 + +#define TNETD7200_DEF_CPU_CLK 211000000 +#define TNETD7200_DEF_DSP_CLK 125000000 +#define TNETD7200_DEF_USB_CLK 48000000 + +struct tnetd7300_clock { + u32 ctrl; +#define PREDIV_MASK 0x001f0000 +#define PREDIV_SHIFT 16 +#define POSTDIV_MASK 0x0000001f + u32 unused1[3]; + u32 pll; +#define MUL_MASK 0x0000f000 +#define MUL_SHIFT 12 +#define PLL_MODE_MASK 0x00000001 +#define PLL_NDIV 0x00000800 +#define PLL_DIV 0x00000002 +#define PLL_STATUS 0x00000001 + u32 unused2[3]; +}; + +struct tnetd7300_clocks { + struct tnetd7300_clock bus; + struct tnetd7300_clock cpu; + struct tnetd7300_clock usb; + struct tnetd7300_clock dsp; +}; + +struct tnetd7200_clock { + u32 ctrl; + u32 unused1[3]; +#define DIVISOR_ENABLE_MASK 0x00008000 + u32 mul; + u32 prediv; + u32 postdiv; + u32 postdiv2; + u32 unused2[6]; + u32 cmd; + u32 status; + u32 cmden; + u32 padding[15]; +}; + +struct tnetd7200_clocks { + struct tnetd7200_clock cpu; + struct tnetd7200_clock dsp; + struct tnetd7200_clock usb; +}; + +int ar7_cpu_clock = 150000000; +EXPORT_SYMBOL(ar7_cpu_clock); +int ar7_bus_clock = 125000000; +EXPORT_SYMBOL(ar7_bus_clock); +int ar7_dsp_clock; +EXPORT_SYMBOL(ar7_dsp_clock); + +static void approximate(int base, int target, int *prediv, + int *postdiv, int *mul) +{ + int i, j, k, freq, res = target; + for (i = 1; i <= 16; i++) + for (j = 1; j <= 32; j++) + for (k = 1; k <= 32; k++) { + freq = abs(base / j * i / k - target); + if (freq < res) { + res = freq; + *mul = i; + *prediv = j; + *postdiv = k; + } + } +} + +static void calculate(int base, int target, int *prediv, int *postdiv, + int *mul) +{ + int tmp_gcd, tmp_base, tmp_freq; + + for (*prediv = 1; *prediv <= 32; (*prediv)++) { + tmp_base = base / *prediv; + tmp_gcd = gcd(target, tmp_base); + *mul = target / tmp_gcd; + *postdiv = tmp_base / tmp_gcd; + if ((*mul < 1) || (*mul >= 16)) + continue; + if ((*postdiv > 0) & (*postdiv <= 32)) + break; + } + + if (base / *prediv * *mul / *postdiv != target) { + approximate(base, target, prediv, postdiv, mul); + tmp_freq = base / *prediv * *mul / *postdiv; + printk(KERN_WARNING + "Adjusted requested frequency %d to %d\n", + target, tmp_freq); + } + + printk(KERN_DEBUG "Clocks: prediv: %d, postdiv: %d, mul: %d\n", + *prediv, *postdiv, *mul); +} + +static int tnetd7300_dsp_clock(void) +{ + u32 didr1, didr2; + u8 rev = ar7_chip_rev(); + didr1 = readl((void *)KSEG1ADDR(AR7_REGS_GPIO + 0x18)); + didr2 = readl((void *)KSEG1ADDR(AR7_REGS_GPIO + 0x1c)); + if (didr2 & (1 << 23)) + return 0; + if ((rev >= 0x23) && (rev != 0x57)) + return 250000000; + if ((((didr2 & 0x1fff) << 10) | ((didr1 & 0xffc00000) >> 22)) + > 4208000) + return 250000000; + return 0; +} + +static int tnetd7300_get_clock(u32 shift, struct tnetd7300_clock *clock, + u32 *bootcr, u32 bus_clock) +{ + int product; + int base_clock = AR7_REF_CLOCK; + u32 ctrl = readl(&clock->ctrl); + u32 pll = readl(&clock->pll); + int prediv = ((ctrl & PREDIV_MASK) >> PREDIV_SHIFT) + 1; + int postdiv = (ctrl & POSTDIV_MASK) + 1; + int divisor = prediv * postdiv; + int mul = ((pll & MUL_MASK) >> MUL_SHIFT) + 1; + + switch ((*bootcr & (BOOT_PLL_SOURCE_MASK << shift)) >> shift) { + case BOOT_PLL_SOURCE_BUS: + base_clock = bus_clock; + break; + case BOOT_PLL_SOURCE_REF: + base_clock = AR7_REF_CLOCK; + break; + case BOOT_PLL_SOURCE_XTAL: + base_clock = AR7_XTAL_CLOCK; + break; + case BOOT_PLL_SOURCE_CPU: + base_clock = ar7_cpu_clock; + break; + } + + if (*bootcr & BOOT_PLL_BYPASS) + return base_clock / divisor; + + if ((pll & PLL_MODE_MASK) == 0) + return (base_clock >> (mul / 16 + 1)) / divisor; + + if ((pll & (PLL_NDIV | PLL_DIV)) == (PLL_NDIV | PLL_DIV)) { + product = (mul & 1) ? + (base_clock * mul) >> 1 : + (base_clock * (mul - 1)) >> 2; + return product / divisor; + } + + if (mul == 16) + return base_clock / divisor; + + return base_clock * mul / divisor; +} + +static void tnetd7300_set_clock(u32 shift, struct tnetd7300_clock *clock, + u32 *bootcr, u32 frequency) +{ + int prediv, postdiv, mul; + int base_clock = ar7_bus_clock; + + switch ((*bootcr & (BOOT_PLL_SOURCE_MASK << shift)) >> shift) { + case BOOT_PLL_SOURCE_BUS: + base_clock = ar7_bus_clock; + break; + case BOOT_PLL_SOURCE_REF: + base_clock = AR7_REF_CLOCK; + break; + case BOOT_PLL_SOURCE_XTAL: + base_clock = AR7_XTAL_CLOCK; + break; + case BOOT_PLL_SOURCE_CPU: + base_clock = ar7_cpu_clock; + break; + } + + calculate(base_clock, frequency, &prediv, &postdiv, &mul); + + writel(((prediv - 1) << PREDIV_SHIFT) | (postdiv - 1), &clock->ctrl); + msleep(1); + writel(4, &clock->pll); + while (readl(&clock->pll) & PLL_STATUS) + ; + writel(((mul - 1) << MUL_SHIFT) | (0xff << 3) | 0x0e, &clock->pll); + msleep(75); +} + +static void __init tnetd7300_init_clocks(void) +{ + u32 *bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4); + struct tnetd7300_clocks *clocks = + ioremap_nocache(UR8_REGS_CLOCKS, + sizeof(struct tnetd7300_clocks)); + + ar7_bus_clock = tnetd7300_get_clock(BUS_PLL_SOURCE_SHIFT, + &clocks->bus, bootcr, AR7_AFE_CLOCK); + + if (*bootcr & BOOT_PLL_ASYNC_MODE) + ar7_cpu_clock = tnetd7300_get_clock(CPU_PLL_SOURCE_SHIFT, + &clocks->cpu, bootcr, AR7_AFE_CLOCK); + else + ar7_cpu_clock = ar7_bus_clock; + + if (ar7_dsp_clock == 250000000) + tnetd7300_set_clock(DSP_PLL_SOURCE_SHIFT, &clocks->dsp, + bootcr, ar7_dsp_clock); + + iounmap(clocks); + iounmap(bootcr); +} + +static int tnetd7200_get_clock(int base, struct tnetd7200_clock *clock, + u32 *bootcr, u32 bus_clock) +{ + int divisor = ((readl(&clock->prediv) & 0x1f) + 1) * + ((readl(&clock->postdiv) & 0x1f) + 1); + + if (*bootcr & BOOT_PLL_BYPASS) + return base / divisor; + + return base * ((readl(&clock->mul) & 0xf) + 1) / divisor; +} + + +static void tnetd7200_set_clock(int base, struct tnetd7200_clock *clock, + int prediv, int postdiv, int postdiv2, int mul, u32 frequency) +{ + printk(KERN_INFO + "Clocks: base = %d, frequency = %u, prediv = %d, " + "postdiv = %d, postdiv2 = %d, mul = %d\n", + base, frequency, prediv, postdiv, postdiv2, mul); + + writel(0, &clock->ctrl); + writel(DIVISOR_ENABLE_MASK | ((prediv - 1) & 0x1F), &clock->prediv); + writel((mul - 1) & 0xF, &clock->mul); + + while (readl(&clock->status) & 0x1) + ; /* nop */ + + writel(DIVISOR_ENABLE_MASK | ((postdiv - 1) & 0x1F), &clock->postdiv); + + writel(readl(&clock->cmden) | 1, &clock->cmden); + writel(readl(&clock->cmd) | 1, &clock->cmd); + + while (readl(&clock->status) & 0x1) + ; /* nop */ + + writel(DIVISOR_ENABLE_MASK | ((postdiv2 - 1) & 0x1F), &clock->postdiv2); + + writel(readl(&clock->cmden) | 1, &clock->cmden); + writel(readl(&clock->cmd) | 1, &clock->cmd); + + while (readl(&clock->status) & 0x1) + ; /* nop */ + + writel(readl(&clock->ctrl) | 1, &clock->ctrl); +} + +static int tnetd7200_get_clock_base(int clock_id, u32 *bootcr) +{ + if (*bootcr & BOOT_PLL_ASYNC_MODE) + /* Async */ + switch (clock_id) { + case TNETD7200_CLOCK_ID_DSP: + return AR7_REF_CLOCK; + default: + return AR7_AFE_CLOCK; + } + else + /* Sync */ + if (*bootcr & BOOT_PLL_2TO1_MODE) + /* 2:1 */ + switch (clock_id) { + case TNETD7200_CLOCK_ID_DSP: + return AR7_REF_CLOCK; + default: + return AR7_AFE_CLOCK; + } + else + /* 1:1 */ + return AR7_REF_CLOCK; +} + + +static void __init tnetd7200_init_clocks(void) +{ + u32 *bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4); + struct tnetd7200_clocks *clocks = + ioremap_nocache(AR7_REGS_CLOCKS, + sizeof(struct tnetd7200_clocks)); + int cpu_base, cpu_mul, cpu_prediv, cpu_postdiv; + int dsp_base, dsp_mul, dsp_prediv, dsp_postdiv; + int usb_base, usb_mul, usb_prediv, usb_postdiv; + + cpu_base = tnetd7200_get_clock_base(TNETD7200_CLOCK_ID_CPU, bootcr); + dsp_base = tnetd7200_get_clock_base(TNETD7200_CLOCK_ID_DSP, bootcr); + + if (*bootcr & BOOT_PLL_ASYNC_MODE) { + printk(KERN_INFO "Clocks: Async mode\n"); + + printk(KERN_INFO "Clocks: Setting DSP clock\n"); + calculate(dsp_base, TNETD7200_DEF_DSP_CLK, + &dsp_prediv, &dsp_postdiv, &dsp_mul); + ar7_bus_clock = + ((dsp_base / dsp_prediv) * dsp_mul) / dsp_postdiv; + tnetd7200_set_clock(dsp_base, &clocks->dsp, + dsp_prediv, dsp_postdiv * 2, dsp_postdiv, dsp_mul * 2, + ar7_bus_clock); + + printk(KERN_INFO "Clocks: Setting CPU clock\n"); + calculate(cpu_base, TNETD7200_DEF_CPU_CLK, &cpu_prediv, + &cpu_postdiv, &cpu_mul); + ar7_cpu_clock = + ((cpu_base / cpu_prediv) * cpu_mul) / cpu_postdiv; + tnetd7200_set_clock(cpu_base, &clocks->cpu, + cpu_prediv, cpu_postdiv, -1, cpu_mul, + ar7_cpu_clock); + + } else + if (*bootcr & BOOT_PLL_2TO1_MODE) { + printk(KERN_INFO "Clocks: Sync 2:1 mode\n"); + + printk(KERN_INFO "Clocks: Setting CPU clock\n"); + calculate(cpu_base, TNETD7200_DEF_CPU_CLK, &cpu_prediv, + &cpu_postdiv, &cpu_mul); + ar7_cpu_clock = ((cpu_base / cpu_prediv) * cpu_mul) + / cpu_postdiv; + tnetd7200_set_clock(cpu_base, &clocks->cpu, + cpu_prediv, cpu_postdiv, -1, cpu_mul, + ar7_cpu_clock); + + printk(KERN_INFO "Clocks: Setting DSP clock\n"); + calculate(dsp_base, TNETD7200_DEF_DSP_CLK, &dsp_prediv, + &dsp_postdiv, &dsp_mul); + ar7_bus_clock = ar7_cpu_clock / 2; + tnetd7200_set_clock(dsp_base, &clocks->dsp, + dsp_prediv, dsp_postdiv * 2, dsp_postdiv, + dsp_mul * 2, ar7_bus_clock); + } else { + printk(KERN_INFO "Clocks: Sync 1:1 mode\n"); + + printk(KERN_INFO "Clocks: Setting DSP clock\n"); + calculate(dsp_base, TNETD7200_DEF_DSP_CLK, &dsp_prediv, + &dsp_postdiv, &dsp_mul); + ar7_bus_clock = ((dsp_base / dsp_prediv) * dsp_mul) + / dsp_postdiv; + tnetd7200_set_clock(dsp_base, &clocks->dsp, + dsp_prediv, dsp_postdiv * 2, dsp_postdiv, + dsp_mul * 2, ar7_bus_clock); + + ar7_cpu_clock = ar7_bus_clock; + } + + printk(KERN_INFO "Clocks: Setting USB clock\n"); + usb_base = ar7_bus_clock; + calculate(usb_base, TNETD7200_DEF_USB_CLK, &usb_prediv, + &usb_postdiv, &usb_mul); + tnetd7200_set_clock(usb_base, &clocks->usb, + usb_prediv, usb_postdiv, -1, usb_mul, + TNETD7200_DEF_USB_CLK); + + ar7_dsp_clock = ar7_cpu_clock; + + iounmap(clocks); + iounmap(bootcr); +} + +int __init ar7_init_clocks(void) +{ + switch (ar7_chip_id()) { + case AR7_CHIP_7100: + case AR7_CHIP_7200: + tnetd7200_init_clocks(); + break; + case AR7_CHIP_7300: + ar7_dsp_clock = tnetd7300_dsp_clock(); + tnetd7300_init_clocks(); + break; + default: + break; + } + + return 0; +} +arch_initcall(ar7_init_clocks); diff --git a/arch/mips/ar7/gpio.c b/arch/mips/ar7/gpio.c new file mode 100644 index 0000000..74e14a3 --- /dev/null +++ b/arch/mips/ar7/gpio.c @@ -0,0 +1,48 @@ +/* + * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2007 Eugene Konev <ejka@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/module.h> + +#include <asm/mach-ar7/gpio.h> + +static const char *ar7_gpio_list[AR7_GPIO_MAX]; + +int gpio_request(unsigned gpio, const char *label) +{ + if (gpio >= AR7_GPIO_MAX) + return -EINVAL; + + if (ar7_gpio_list[gpio]) + return -EBUSY; + + if (label) + ar7_gpio_list[gpio] = label; + else + ar7_gpio_list[gpio] = "busy"; + + return 0; +} +EXPORT_SYMBOL(gpio_request); + +void gpio_free(unsigned gpio) +{ + BUG_ON(!ar7_gpio_list[gpio]); + ar7_gpio_list[gpio] = NULL; +} +EXPORT_SYMBOL(gpio_free); diff --git a/arch/mips/ar7/irq.c b/arch/mips/ar7/irq.c new file mode 100644 index 0000000..c781556 --- /dev/null +++ b/arch/mips/ar7/irq.c @@ -0,0 +1,176 @@ +/* + * Copyright (C) 2006,2007 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2006,2007 Eugene Konev <ejka@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/interrupt.h> +#include <linux/io.h> + +#include <asm/irq_cpu.h> +#include <asm/mipsregs.h> +#include <asm/mach-ar7/ar7.h> + +#define EXCEPT_OFFSET 0x80 +#define PACE_OFFSET 0xA0 +#define CHNLS_OFFSET 0x200 + +#define REG_OFFSET(irq, reg) ((irq) / 32 * 0x4 + reg * 0x10) +#define SEC_REG_OFFSET(reg) (EXCEPT_OFFSET + reg * 0x8) +#define SEC_SR_OFFSET (SEC_REG_OFFSET(0)) /* 0x80 */ +#define CR_OFFSET(irq) (REG_OFFSET(irq, 1)) /* 0x10 */ +#define SEC_CR_OFFSET (SEC_REG_OFFSET(1)) /* 0x88 */ +#define ESR_OFFSET(irq) (REG_OFFSET(irq, 2)) /* 0x20 */ +#define SEC_ESR_OFFSET (SEC_REG_OFFSET(2)) /* 0x90 */ +#define ECR_OFFSET(irq) (REG_OFFSET(irq, 3)) /* 0x30 */ +#define SEC_ECR_OFFSET (SEC_REG_OFFSET(3)) /* 0x98 */ +#define PIR_OFFSET (0x40) +#define MSR_OFFSET (0x44) +#define PM_OFFSET(irq) (REG_OFFSET(irq, 5)) /* 0x50 */ +#define TM_OFFSET(irq) (REG_OFFSET(irq, 6)) /* 0x60 */ + +#define REG(addr) ((u32 *)(KSEG1ADDR(AR7_REGS_IRQ) + addr)) + +#define CHNL_OFFSET(chnl) (CHNLS_OFFSET + (chnl * 4)) + +static int ar7_irq_base; + +static void ar7_unmask_irq(unsigned int irq) +{ + writel(1 << ((irq - ar7_irq_base) % 32), + REG(ESR_OFFSET(irq - ar7_irq_base))); +} + +static void ar7_mask_irq(unsigned int irq) +{ + writel(1 << ((irq - ar7_irq_base) % 32), + REG(ECR_OFFSET(irq - ar7_irq_base))); +} + +static void ar7_ack_irq(unsigned int irq) +{ + writel(1 << ((irq - ar7_irq_base) % 32), + REG(CR_OFFSET(irq - ar7_irq_base))); +} + +static void ar7_unmask_sec_irq(unsigned int irq) +{ + writel(1 << (irq - ar7_irq_base - 40), REG(SEC_ESR_OFFSET)); +} + +static void ar7_mask_sec_irq(unsigned int irq) +{ + writel(1 << (irq - ar7_irq_base - 40), REG(SEC_ECR_OFFSET)); +} + +static void ar7_ack_sec_irq(unsigned int irq) +{ + writel(1 << (irq - ar7_irq_base - 40), REG(SEC_CR_OFFSET)); +} + +static struct irq_chip ar7_irq_type = { + .name = "AR7", + .unmask = ar7_unmask_irq, + .mask = ar7_mask_irq, + .ack = ar7_ack_irq +}; + +static struct irq_chip ar7_sec_irq_type = { + .name = "AR7", + .unmask = ar7_unmask_sec_irq, + .mask = ar7_mask_sec_irq, + .ack = ar7_ack_sec_irq, +}; + +static struct irqaction ar7_cascade_action = { + .handler = no_action, + .name = "AR7 cascade interrupt" +}; + +static void __init ar7_irq_init(int base) +{ + int i; + /* + * Disable interrupts and clear pending + */ + writel(0xffffffff, REG(ECR_OFFSET(0))); + writel(0xff, REG(ECR_OFFSET(32))); + writel(0xffffffff, REG(SEC_ECR_OFFSET)); + writel(0xffffffff, REG(CR_OFFSET(0))); + writel(0xff, REG(CR_OFFSET(32))); + writel(0xffffffff, REG(SEC_CR_OFFSET)); + + ar7_irq_base = base; + + for (i = 0; i < 40; i++) { + writel(i, REG(CHNL_OFFSET(i))); + /* Primary IRQ's */ + set_irq_chip_and_handler(base + i, &ar7_irq_type, + handle_level_irq); + /* Secondary IRQ's */ + if (i < 32) + set_irq_chip_and_handler(base + i + 40, + &ar7_sec_irq_type, + handle_level_irq); + } + + setup_irq(2, &ar7_cascade_action); + setup_irq(ar7_irq_base, &ar7_cascade_action); + set_c0_status(IE_IRQ0); +} + +void __init arch_init_irq(void) +{ + mips_cpu_irq_init(); + ar7_irq_init(8); +} + +static void ar7_cascade(void) +{ + u32 status; + int i, irq; + + /* Primary IRQ's */ + irq = readl(REG(PIR_OFFSET)) & 0x3f; + if (irq) { + do_IRQ(ar7_irq_base + irq); + return; + } + + /* Secondary IRQ's are cascaded through primary '0' */ + writel(1, REG(CR_OFFSET(irq))); + status = readl(REG(SEC_SR_OFFSET)); + for (i = 0; i < 32; i++) { + if (status & 1) { + do_IRQ(ar7_irq_base + i + 40); + return; + } + status >>= 1; + } + + spurious_interrupt(); +} + +asmlinkage void plat_irq_dispatch(void) +{ + unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM; + if (pending & STATUSF_IP7) /* cpu timer */ + do_IRQ(7); + else if (pending & STATUSF_IP2) /* int0 hardware line */ + ar7_cascade(); + else + spurious_interrupt(); +} diff --git a/arch/mips/ar7/memory.c b/arch/mips/ar7/memory.c new file mode 100644 index 0000000..46fed44 --- /dev/null +++ b/arch/mips/ar7/memory.c @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2007 Eugene Konev <ejka@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include <linux/bootmem.h> +#include <linux/init.h> +#include <linux/mm.h> +#include <linux/module.h> +#include <linux/pfn.h> +#include <linux/proc_fs.h> +#include <linux/string.h> +#include <linux/swap.h> + +#include <asm/bootinfo.h> +#include <asm/page.h> +#include <asm/sections.h> + +#include <asm/mach-ar7/ar7.h> +#include <asm/mips-boards/prom.h> + +static int __init memsize(void) +{ + u32 size = (64 << 20); + u32 *addr = (u32 *)KSEG1ADDR(AR7_SDRAM_BASE + size - 4); + u32 *kernel_end = (u32 *)KSEG1ADDR(CPHYSADDR((u32)&_end)); + u32 *tmpaddr = addr; + + while (tmpaddr > kernel_end) { + *tmpaddr = (u32)tmpaddr; + size >>= 1; + tmpaddr -= size >> 2; + } + + do { + tmpaddr += size >> 2; + if (*tmpaddr != (u32)tmpaddr) + break; + size <<= 1; + } while (size < (64 << 20)); + + writel(tmpaddr, &addr); + + return size; +} + +void __init prom_meminit(void) +{ + unsigned long pages; + + pages = memsize() >> PAGE_SHIFT; + add_memory_region(PHYS_OFFSET, pages << PAGE_SHIFT, + BOOT_MEM_RAM); +} + +void __init prom_free_prom_memory(void) +{ + /* Nothing to free */ +} diff --git a/arch/mips/ar7/platform.c b/arch/mips/ar7/platform.c new file mode 100644 index 0000000..5422449 --- /dev/null +++ b/arch/mips/ar7/platform.c @@ -0,0 +1,555 @@ +/* + * Copyright (C) 2006,2007 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2006,2007 Eugene Konev <ejka@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/init.h> +#include <linux/types.h> +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/dma-mapping.h> +#include <linux/platform_device.h> +#include <linux/mtd/physmap.h> +#include <linux/serial.h> +#include <linux/serial_8250.h> +#include <linux/ioport.h> +#include <linux/io.h> +#include <linux/version.h> +#include <linux/vlynq.h> +#include <linux/leds.h> +#include <linux/string.h> +#include <linux/etherdevice.h> + +#include <asm/addrspace.h> +#include <asm/mach-ar7/ar7.h> +#include <asm/mach-ar7/gpio.h> +#include <asm/mach-ar7/prom.h> + +struct plat_vlynq_data { + struct plat_vlynq_ops ops; + int gpio_bit; + int reset_bit; +}; + + +static int vlynq_on(struct vlynq_device *dev) +{ + int result; + struct plat_vlynq_data *pdata = dev->dev.platform_data; + + result = gpio_request(pdata->gpio_bit, "vlynq"); + if (result) + goto out; + + ar7_device_reset(pdata->reset_bit); + + result = ar7_gpio_disable(pdata->gpio_bit); + if (result) + goto out_enabled; + + result = ar7_gpio_enable(pdata->gpio_bit); + if (result) + goto out_enabled; + + result = gpio_direction_output(pdata->gpio_bit, 0); + if (result) + goto out_gpio_enabled; + + msleep(50); + + gpio_set_value(pdata->gpio_bit, 1); + msleep(50); + + return 0; + +out_gpio_enabled: + ar7_gpio_disable(pdata->gpio_bit); +out_enabled: + ar7_device_disable(pdata->reset_bit); + gpio_free(pdata->gpio_bit); +out: + return result; +} + +static void vlynq_off(struct vlynq_device *dev) +{ + struct plat_vlynq_data *pdata = dev->dev.platform_data; + ar7_gpio_disable(pdata->gpio_bit); + gpio_free(pdata->gpio_bit); + ar7_device_disable(pdata->reset_bit); +} + +static struct resource physmap_flash_resource = { + .name = "mem", + .flags = IORESOURCE_MEM, + .start = 0x10000000, + .end = 0x107fffff, +}; + +static struct resource cpmac_low_res[] = { + { + .name = "regs", + .flags = IORESOURCE_MEM, + .start = AR7_REGS_MAC0, + .end = AR7_REGS_MAC0 + 0x7ff, + }, + { + .name = "irq", + .flags = IORESOURCE_IRQ, + .start = 27, + .end = 27, + }, +}; + +static struct resource cpmac_high_res[] = { + { + .name = "regs", + .flags = IORESOURCE_MEM, + .start = AR7_REGS_MAC1, + .end = AR7_REGS_MAC1 + 0x7ff, + }, + { + .name = "irq", + .flags = IORESOURCE_IRQ, + .start = 41, + .end = 41, + }, +}; + +static struct resource vlynq_low_res[] = { + { + .name = "regs", + .flags = IORESOURCE_MEM, + .start = AR7_REGS_VLYNQ0, + .end = AR7_REGS_VLYNQ0 + 0xff, + }, + { + .name = "irq", + .flags = IORESOURCE_IRQ, + .start = 29, + .end = 29, + }, + { + .name = "mem", + .flags = IORESOURCE_MEM, + .start = 0x04000000, + .end = 0x04ffffff, + }, + { + .name = "devirq", + .flags = IORESOURCE_IRQ, + .start = 80, + .end = 111, + }, +}; + +static struct resource vlynq_high_res[] = { + { + .name = "regs", + .flags = IORESOURCE_MEM, + .start = AR7_REGS_VLYNQ1, + .end = AR7_REGS_VLYNQ1 + 0xff, + }, + { + .name = "irq", + .flags = IORESOURCE_IRQ, + .start = 33, + .end = 33, + }, + { + .name = "mem", + .flags = IORESOURCE_MEM, + .start = 0x0c000000, + .end = 0x0cffffff, + }, + { + .name = "devirq", + .flags = IORESOURCE_IRQ, + .start = 112, + .end = 143, + }, +}; + +static struct resource usb_res[] = { + { + .name = "regs", + .flags = IORESOURCE_MEM, + .start = AR7_REGS_USB, + .end = AR7_REGS_USB + 0xff, + }, + { + .name = "irq", + .flags = IORESOURCE_IRQ, + .start = 32, + .end = 32, + }, + { + .name = "mem", + .flags = IORESOURCE_MEM, + .start = 0x03400000, + .end = 0x034001fff, + }, +}; + +static struct physmap_flash_data physmap_flash_data = { + .width = 2, +}; + +static struct plat_cpmac_data cpmac_low_data = { + .reset_bit = 17, + .power_bit = 20, + .phy_mask = 0x80000000, +}; + +static struct plat_cpmac_data cpmac_high_data = { + .reset_bit = 21, + .power_bit = 22, + .phy_mask = 0x7fffffff, +}; + +static struct plat_vlynq_data vlynq_low_data = { + .ops.on = vlynq_on, + .ops.off = vlynq_off, + .reset_bit = 20, + .gpio_bit = 18, +}; + +static struct plat_vlynq_data vlynq_high_data = { + .ops.on = vlynq_on, + .ops.off = vlynq_off, + .reset_bit = 16, + .gpio_bit = 19, +}; + +static struct platform_device physmap_flash = { + .id = 0, + .name = "physmap-flash", + .dev.platform_data = &physmap_flash_data, + .resource = &physmap_flash_resource, + .num_resources = 1, +}; + +static u64 cpmac_dma_mask = DMA_32BIT_MASK; +static struct platform_device cpmac_low = { + .id = 0, + .name = "cpmac", + .dev = { + .dma_mask = &cpmac_dma_mask, + .coherent_dma_mask = DMA_32BIT_MASK, + .platform_data = &cpmac_low_data, + }, + .resource = cpmac_low_res, + .num_resources = ARRAY_SIZE(cpmac_low_res), +}; + +static struct platform_device cpmac_high = { + .id = 1, + .name = "cpmac", + .dev = { + .dma_mask = &cpmac_dma_mask, + .coherent_dma_mask = DMA_32BIT_MASK, + .platform_data = &cpmac_high_data, + }, + .resource = cpmac_high_res, + .num_resources = ARRAY_SIZE(cpmac_high_res), +}; + +static struct platform_device vlynq_low = { + .id = 0, + .name = "vlynq", + .dev.platform_data = &vlynq_low_data, + .resource = vlynq_low_res, + .num_resources = ARRAY_SIZE(vlynq_low_res), +}; + +static struct platform_device vlynq_high = { + .id = 1, + .name = "vlynq", + .dev.platform_data = &vlynq_high_data, + .resource = vlynq_high_res, + .num_resources = ARRAY_SIZE(vlynq_high_res), +}; + + +static struct gpio_led default_leds[] = { + { + .name = "status", + .gpio = 8, + .active_low = 1, + }, +}; + +static struct gpio_led dsl502t_leds[] = { + { + .name = "status", + .gpio = 9, + .active_low = 1, + }, + { + .name = "ethernet", + .gpio = 7, + .active_low = 1, + }, + { + .name = "usb", + .gpio = 12, + .active_low = 1, + }, +}; + +static struct gpio_led dg834g_leds[] = { + { + .name = "ppp", + .gpio = 6, + .active_low = 1, + }, + { + .name = "status", + .gpio = 7, + .active_low = 1, + }, + { + .name = "adsl", + .gpio = 8, + .active_low = 1, + }, + { + .name = "wifi", + .gpio = 12, + .active_low = 1, + }, + { + .name = "power", + .gpio = 14, + .active_low = 1, + .default_trigger = "default-on", + }, +}; + +static struct gpio_led fb_sl_leds[] = { + { + .name = "1", + .gpio = 7, + }, + { + .name = "2", + .gpio = 13, + .active_low = 1, + }, + { + .name = "3", + .gpio = 10, + .active_low = 1, + }, + { + .name = "4", + .gpio = 12, + .active_low = 1, + }, + { + .name = "5", + .gpio = 9, + .active_low = 1, + }, +}; + +static struct gpio_led fb_fon_leds[] = { + { + .name = "1", + .gpio = 8, + }, + { + .name = "2", + .gpio = 3, + .active_low = 1, + }, + { + .name = "3", + .gpio = 5, + }, + { + .name = "4", + .gpio = 4, + .active_low = 1, + }, + { + .name = "5", + .gpio = 11, + .active_low = 1, + }, +}; + +static struct gpio_led_platform_data ar7_led_data; + +static struct platform_device ar7_gpio_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &ar7_led_data, + } +}; + +static struct platform_device ar7_udc = { + .id = -1, + .name = "ar7_udc", + .resource = usb_res, + .num_resources = ARRAY_SIZE(usb_res), +}; + +static inline unsigned char char2hex(char h) +{ + switch (h) { + case '0': case '1': case '2': case '3': case '4': + case '5': case '6': case '7': case '8': case '9': + return h - '0'; + case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': + return h - 'A' + 10; + case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': + return h - 'a' + 10; + default: + return 0; + } +} + +static void cpmac_get_mac(int instance, unsigned char *dev_addr) +{ + int i; + char name[5], default_mac[ETH_ALEN], *mac; + + mac = NULL; + sprintf(name, "mac%c", 'a' + instance); + mac = prom_getenv(name); + if (!mac) { + sprintf(name, "mac%c", 'a'); + mac = prom_getenv(name); + } + if (!mac) { + random_ether_addr(default_mac); + mac = default_mac; + } + for (i = 0; i < 6; i++) + dev_addr[i] = (char2hex(mac[i * 3]) << 4) + + char2hex(mac[i * 3 + 1]); +} + +static void __init detect_leds(void) +{ + char *prid, *usb_prod; + + /* Default LEDs */ + ar7_led_data.num_leds = ARRAY_SIZE(default_leds); + ar7_led_data.leds = default_leds; + + /* FIXME: the whole thing is unreliable */ + prid = prom_getenv("ProductID"); + usb_prod = prom_getenv("usb_prod"); + + /* If we can't get the product id from PROM, use the default LEDs */ + if (!prid) + return; + + if (strstr(prid, "Fritz_Box_FON")) { + ar7_led_data.num_leds = ARRAY_SIZE(fb_fon_leds); + ar7_led_data.leds = fb_fon_leds; + } else if (strstr(prid, "Fritz_Box_")) { + ar7_led_data.num_leds = ARRAY_SIZE(fb_sl_leds); + ar7_led_data.leds = fb_sl_leds; + } else if ((!strcmp(prid, "AR7RD") || !strcmp(prid, "AR7DB")) + && usb_prod != NULL && strstr(usb_prod, "DSL-502T")) { + ar7_led_data.num_leds = ARRAY_SIZE(dsl502t_leds); + ar7_led_data.leds = dsl502t_leds; + } else if (strstr(prid, "DG834")) { + ar7_led_data.num_leds = ARRAY_SIZE(dg834g_leds); + ar7_led_data.leds = dg834g_leds; + } +} + +static int __init ar7_register_devices(void) +{ + int res; + static struct uart_port uart_port[2]; + + memset(uart_port, 0, sizeof(struct uart_port) * 2); + + uart_port[0].type = PORT_16550A; + uart_port[0].line = 0; + uart_port[0].irq = AR7_IRQ_UART0; + uart_port[0].uartclk = ar7_bus_freq() / 2; + uart_port[0].iotype = UPIO_MEM32; + uart_port[0].mapbase = AR7_REGS_UART0; + uart_port[0].membase = ioremap(uart_port[0].mapbase, 256); + uart_port[0].regshift = 2; + res = early_serial_setup(&uart_port[0]); + if (res) + return res; + + + /* Only TNETD73xx have a second serial port */ + if (ar7_has_second_uart()) { + uart_port[1].type = PORT_16550A; + uart_port[1].line = 1; + uart_port[1].irq = AR7_IRQ_UART1; + uart_port[1].uartclk = ar7_bus_freq() / 2; + uart_port[1].iotype = UPIO_MEM32; + uart_port[1].mapbase = UR8_REGS_UART1; + uart_port[1].membase = ioremap(uart_port[1].mapbase, 256); + uart_port[1].regshift = 2; + res = early_serial_setup(&uart_port[1]); + if (res) + return res; + } + + res = platform_device_register(&physmap_flash); + if (res) + return res; + + ar7_device_disable(vlynq_low_data.reset_bit); + res = platform_device_register(&vlynq_low); + if (res) + return res; + + if (ar7_has_high_vlynq()) { + ar7_device_disable(vlynq_high_data.reset_bit); + res = platform_device_register(&vlynq_high); + if (res) + return res; + } + + if (ar7_has_high_cpmac()) { + cpmac_get_mac(1, cpmac_high_data.dev_addr); + res = platform_device_register(&cpmac_high); + if (res) + return res; + } else { + cpmac_low_data.phy_mask = 0xffffffff; + } + + cpmac_get_mac(0, cpmac_low_data.dev_addr); + res = platform_device_register(&cpmac_low); + if (res) + return res; + + detect_leds(); + res = platform_device_register(&ar7_gpio_leds); + if (res) + return res; + + res = platform_device_register(&ar7_udc); + + return res; +} +arch_initcall(ar7_register_devices); diff --git a/arch/mips/ar7/prom.c b/arch/mips/ar7/prom.c new file mode 100644 index 0000000..a320bce --- /dev/null +++ b/arch/mips/ar7/prom.c @@ -0,0 +1,297 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * Putting things on the screen/serial line using YAMONs facilities. + */ +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/serial_reg.h> +#include <linux/spinlock.h> +#include <linux/module.h> +#include <linux/string.h> +#include <linux/io.h> +#include <asm/bootinfo.h> + +#include <asm/mach-ar7/ar7.h> +#include <asm/mach-ar7/prom.h> + +#define MAX_ENTRY 80 + +struct env_var { + char *name; + char *value; +}; + +static struct env_var adam2_env[MAX_ENTRY]; + +char *prom_getenv(const char *name) +{ + int i; + for (i = 0; (i < MAX_ENTRY) && adam2_env[i].name; i++) + if (!strcmp(name, adam2_env[i].name)) + return adam2_env[i].value; + + return NULL; +} +EXPORT_SYMBOL(prom_getenv); + +char * __init prom_getcmdline(void) +{ + return &(arcs_cmdline[0]); +} + +static void __init ar7_init_cmdline(int argc, char *argv[]) +{ + char *cp; + int actr; + + actr = 1; /* Always ignore argv[0] */ + + cp = &(arcs_cmdline[0]); + while (actr < argc) { + strcpy(cp, argv[actr]); + cp += strlen(argv[actr]); + *cp++ = ' '; + actr++; + } + if (cp != &(arcs_cmdline[0])) { + /* get rid of trailing space */ + --cp; + *cp = '\0'; + } +} + +struct psbl_rec { + u32 psbl_size; + u32 env_base; + u32 env_size; + u32 ffs_base; + u32 ffs_size; +}; + +static __initdata char psp_env_version[] = "TIENV0.8"; + +struct psp_env_chunk { + u8 num; + u8 ctrl; + u16 csum; + u8 len; + char data[11]; +} __attribute__ ((packed)); + +struct psp_var_map_entry { + u8 num; + char *value; +}; + +static struct psp_var_map_entry psp_var_map[] = { + { 1, "cpufrequency" }, + { 2, "memsize" }, + { 3, "flashsize" }, + { 4, "modetty0" }, + { 5, "modetty1" }, + { 8, "maca" }, + { 9, "macb" }, + { 28, "sysfrequency" }, + { 38, "mipsfrequency" }, +}; + +/* + +Well-known variable (num is looked up in table above for matching variable name) +Example: cpufrequency=211968000 ++----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- +| 01 |CTRL|CHECKSUM | 01 | _2 | _1 | _1 | _9 | _6 | _8 | _0 | _0 | _0 | \0 | FF ++----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- + +Name=Value pair in a single chunk +Example: NAME=VALUE ++----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- +| 00 |CTRL|CHECKSUM | 01 | _N | _A | _M | _E | _0 | _V | _A | _L | _U | _E | \0 ++----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- + +Name=Value pair in 2 chunks (len is the number of chunks) +Example: bootloaderVersion=1.3.7.15 ++----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- +| 00 |CTRL|CHECKSUM | 02 | _b | _o | _o | _t | _l | _o | _a | _d | _e | _r | _V ++----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- +| _e | _r | _s | _i | _o | _n | \0 | _1 | _. | _3 | _. | _7 | _. | _1 | _5 | \0 ++----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- + +Data is padded with 0xFF + +*/ + +#define PSP_ENV_SIZE 4096 + +static char psp_env_data[PSP_ENV_SIZE] = { 0, }; + +static char * __init lookup_psp_var_map(u8 num) +{ + int i; + + for (i = 0; i < sizeof(psp_var_map); i++) + if (psp_var_map[i].num == num) + return psp_var_map[i].value; + + return NULL; +} + +static void __init add_adam2_var(char *name, char *value) +{ + int i; + for (i = 0; i < MAX_ENTRY; i++) { + if (!adam2_env[i].name) { + adam2_env[i].name = name; + adam2_env[i].value = value; + return; + } else if (!strcmp(adam2_env[i].name, name)) { + adam2_env[i].value = value; + return; + } + } +} + +static int __init parse_psp_env(void *psp_env_base) +{ + int i, n; + char *name, *value; + struct psp_env_chunk *chunks = (struct psp_env_chunk *)psp_env_data; + + memcpy_fromio(chunks, psp_env_base, PSP_ENV_SIZE); + + i = 1; + n = PSP_ENV_SIZE / sizeof(struct psp_env_chunk); + while (i < n) { + if ((chunks[i].num == 0xff) || ((i + chunks[i].len) > n)) + break; + value = chunks[i].data; + if (chunks[i].num) { + name = lookup_psp_var_map(chunks[i].num); + } else { + name = value; + value += strlen(name) + 1; + } + if (name) + add_adam2_var(name, value); + i += chunks[i].len; + } + return 0; +} + +static void __init ar7_init_env(struct env_var *env) +{ + int i; + struct psbl_rec *psbl = (struct psbl_rec *)(KSEG1ADDR(0x14000300)); + void *psp_env = (void *)KSEG1ADDR(psbl->env_base); + + if (strcmp(psp_env, psp_env_version) == 0) { + parse_psp_env(psp_env); + } else { + for (i = 0; i < MAX_ENTRY; i++, env++) + if (env->name) + add_adam2_var(env->name, env->value); + } +} + +static void __init console_config(void) +{ +#ifdef CONFIG_SERIAL_8250_CONSOLE + char console_string[40]; + int baud = 0; + char parity = '\0', bits = '\0', flow = '\0'; + char *s, *p; + + if (strstr(prom_getcmdline(), "console=")) + return; + +#ifdef CONFIG_KGDB + if (!strstr(prom_getcmdline(), "nokgdb")) { + strcat(prom_getcmdline(), " console=kgdb"); + kgdb_enabled = 1; + return; + } +#endif + + s = prom_getenv("modetty0"); + if (s) { + baud = simple_strtoul(s, &p, 10); + s = p; + if (*s == ',') + s++; + if (*s) + parity = *s++; + if (*s == ',') + s++; + if (*s) + bits = *s++; + if (*s == ',') + s++; + if (*s == 'h') + flow = 'r'; + } + + if (baud == 0) + baud = 38400; + if (parity != 'n' && parity != 'o' && parity != 'e') + parity = 'n'; + if (bits != '7' && bits != '8') + bits = '8'; + + if (flow == 'r') + sprintf(console_string, " console=ttyS0,%d%c%c%c", baud, + parity, bits, flow); + else + sprintf(console_string, " console=ttyS0,%d%c%c", baud, parity, + bits); + strcat(prom_getcmdline(), console_string); +#endif +} + +void __init prom_init(void) +{ + ar7_init_cmdline(fw_arg0, (char **)fw_arg1); + ar7_init_env((struct env_var *)fw_arg2); + console_config(); +} + +#define PORT(offset) (KSEG1ADDR(AR7_REGS_UART0 + (offset * 4))) +static inline unsigned int serial_in(int offset) +{ + return readl((void *)PORT(offset)); +} + +static inline void serial_out(int offset, int value) +{ + writel(value, (void *)PORT(offset)); +} + +char prom_getchar(void) +{ + while (!(serial_in(UART_LSR) & UART_LSR_DR)) + ; + return serial_in(UART_RX); +} + +int prom_putchar(char c) +{ + while ((serial_in(UART_LSR) & UART_LSR_TEMT) == 0) + ; + serial_out(UART_TX, c); + return 1; +} + diff --git a/arch/mips/ar7/setup.c b/arch/mips/ar7/setup.c new file mode 100644 index 0000000..6ebb5f1 --- /dev/null +++ b/arch/mips/ar7/setup.c @@ -0,0 +1,94 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ +#include <linux/version.h> +#include <linux/init.h> +#include <linux/ioport.h> +#include <linux/pm.h> +#include <linux/time.h> + +#include <asm/reboot.h> +#include <asm/mach-ar7/ar7.h> +#include <asm/mach-ar7/prom.h> + +static void ar7_machine_restart(char *command) +{ + u32 *softres_reg = ioremap(AR7_REGS_RESET + + AR7_RESET_SOFTWARE, 1); + writel(1, softres_reg); +} + +static void ar7_machine_halt(void) +{ + while (1) + ; +} + +static void ar7_machine_power_off(void) +{ + u32 *power_reg = (u32 *)ioremap(AR7_REGS_POWER, 1); + u32 power_state = readl(power_reg) | (3 << 30); + writel(power_state, power_reg); + ar7_machine_halt(); +} + +const char *get_system_type(void) +{ + u16 chip_id = ar7_chip_id(); + switch (chip_id) { + case AR7_CHIP_7300: + return "TI AR7 (TNETD7300)"; + case AR7_CHIP_7100: + return "TI AR7 (TNETD7100)"; + case AR7_CHIP_7200: + return "TI AR7 (TNETD7200)"; + default: + return "TI AR7 (Unknown)"; + } +} + +static int __init ar7_init_console(void) +{ + return 0; +} +console_initcall(ar7_init_console); + +/* + * Initializes basic routines and structures pointers, memory size (as + * given by the bios and saves the command line. + */ + +void __init plat_mem_setup(void) +{ + unsigned long io_base; + + _machine_restart = ar7_machine_restart; + _machine_halt = ar7_machine_halt; + pm_power_off = ar7_machine_power_off; + panic_timeout = 3; + + io_base = (unsigned long)ioremap(AR7_REGS_BASE, 0x10000); + if (!io_base) + panic("Can't remap IO base!\n"); + set_io_port_base(io_base); + + prom_meminit(); + + printk(KERN_INFO "%s, ID: 0x%04x, Revision: 0x%02x\n", + get_system_type(), + ar7_chip_id(), ar7_chip_rev()); +} diff --git a/arch/mips/ar7/time.c b/arch/mips/ar7/time.c new file mode 100644 index 0000000..a1fba89 --- /dev/null +++ b/arch/mips/ar7/time.c @@ -0,0 +1,30 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * Setting up the clock on the MIPS boards. + */ + +#include <linux/init.h> +#include <linux/time.h> + +#include <asm/time.h> +#include <asm/mach-ar7/ar7.h> + +void __init plat_time_init(void) +{ + mips_hpt_frequency = ar7_cpu_freq() / 2; +} diff --git a/arch/mips/cavium-octeon/Makefile b/arch/mips/cavium-octeon/Makefile index 7c0528b..d6903c3 100644 --- a/arch/mips/cavium-octeon/Makefile +++ b/arch/mips/cavium-octeon/Makefile @@ -14,9 +14,5 @@ obj-y += dma-octeon.o flash_setup.o obj-y += octeon-memcpy.o obj-$(CONFIG_SMP) += smp.o -obj-$(CONFIG_PCI) += pci-common.o -obj-$(CONFIG_PCI) += pci.o -obj-$(CONFIG_PCI) += pcie.o -obj-$(CONFIG_PCI_MSI) += msi.o EXTRA_CFLAGS += -Werror diff --git a/arch/mips/cavium-octeon/dma-octeon.c b/arch/mips/cavium-octeon/dma-octeon.c index 627c162..4b92bfc 100644 --- a/arch/mips/cavium-octeon/dma-octeon.c +++ b/arch/mips/cavium-octeon/dma-octeon.c @@ -29,7 +29,7 @@ #include <dma-coherence.h> #ifdef CONFIG_PCI -#include "pci-common.h" +#include <asm/octeon/pci-octeon.h> #endif #define BAR2_PCI_ADDRESS 0x8000000000ul diff --git a/arch/mips/cavium-octeon/pci-common.c b/arch/mips/cavium-octeon/pci-common.c deleted file mode 100644 index cd029f8..0000000 --- a/arch/mips/cavium-octeon/pci-common.c +++ /dev/null @@ -1,137 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2005-2007 Cavium Networks - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/pci.h> -#include <linux/interrupt.h> -#include <linux/time.h> -#include <linux/delay.h> -#include "pci-common.h" - -typeof(pcibios_map_irq) *octeon_pcibios_map_irq; -enum octeon_dma_bar_type octeon_dma_bar_type = OCTEON_DMA_BAR_TYPE_INVALID; - -/** - * Map a PCI device to the appropriate interrupt line - * - * @param dev The Linux PCI device structure for the device to map - * @param slot The slot number for this device on __BUS 0__. Linux - * enumerates through all the bridges and figures out the - * slot on Bus 0 where this device eventually hooks to. - * @param pin The PCI interrupt pin read from the device, then swizzled - * as it goes through each bridge. - * @return Interrupt number for the device - */ -int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - if (octeon_pcibios_map_irq) - return octeon_pcibios_map_irq(dev, slot, pin); - else - panic("octeon_pcibios_map_irq doesn't point to a " - "pcibios_map_irq() function"); -} - - -/** - * Called to perform platform specific PCI setup - * - * @param dev - * @return - */ -int pcibios_plat_dev_init(struct pci_dev *dev) -{ - uint16_t config; - uint32_t dconfig; - int pos; - /* - * Force the Cache line setting to 64 bytes. The standard - * Linux bus scan doesn't seem to set it. Octeon really has - * 128 byte lines, but Intel bridges get really upset if you - * try and set values above 64 bytes. Value is specified in - * 32bit words. - */ - pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, 64 / 4); - /* Set latency timers for all devices */ - pci_write_config_byte(dev, PCI_LATENCY_TIMER, 48); - - /* Enable reporting System errors and parity errors on all devices */ - /* Enable parity checking and error reporting */ - pci_read_config_word(dev, PCI_COMMAND, &config); - config |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR; - pci_write_config_word(dev, PCI_COMMAND, config); - - if (dev->subordinate) { - /* Set latency timers on sub bridges */ - pci_write_config_byte(dev, PCI_SEC_LATENCY_TIMER, 48); - /* More bridge error detection */ - pci_read_config_word(dev, PCI_BRIDGE_CONTROL, &config); - config |= PCI_BRIDGE_CTL_PARITY | PCI_BRIDGE_CTL_SERR; - pci_write_config_word(dev, PCI_BRIDGE_CONTROL, config); - } - - /* Enable the PCIe normal error reporting */ - pos = pci_find_capability(dev, PCI_CAP_ID_EXP); - if (pos) { - /* Update Device Control */ - pci_read_config_word(dev, pos + PCI_EXP_DEVCTL, &config); - /* Correctable Error Reporting */ - config |= PCI_EXP_DEVCTL_CERE; - /* Non-Fatal Error Reporting */ - config |= PCI_EXP_DEVCTL_NFERE; - /* Fatal Error Reporting */ - config |= PCI_EXP_DEVCTL_FERE; - /* Unsupported Request */ - config |= PCI_EXP_DEVCTL_URRE; - pci_write_config_word(dev, pos + PCI_EXP_DEVCTL, config); - } - - /* Find the Advanced Error Reporting capability */ - pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR); - if (pos) { - /* Clear Uncorrectable Error Status */ - pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_STATUS, - &dconfig); - pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_STATUS, - dconfig); - /* Enable reporting of all uncorrectable errors */ - /* Uncorrectable Error Mask - turned on bits disable errors */ - pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_MASK, 0); - /* - * Leave severity at HW default. This only controls if - * errors are reported as uncorrectable or - * correctable, not if the error is reported. - */ - /* PCI_ERR_UNCOR_SEVER - Uncorrectable Error Severity */ - /* Clear Correctable Error Status */ - pci_read_config_dword(dev, pos + PCI_ERR_COR_STATUS, &dconfig); - pci_write_config_dword(dev, pos + PCI_ERR_COR_STATUS, dconfig); - /* Enable reporting of all correctable errors */ - /* Correctable Error Mask - turned on bits disable errors */ - pci_write_config_dword(dev, pos + PCI_ERR_COR_MASK, 0); - /* Advanced Error Capabilities */ - pci_read_config_dword(dev, pos + PCI_ERR_CAP, &dconfig); - /* ECRC Generation Enable */ - if (config & PCI_ERR_CAP_ECRC_GENC) - config |= PCI_ERR_CAP_ECRC_GENE; - /* ECRC Check Enable */ - if (config & PCI_ERR_CAP_ECRC_CHKC) - config |= PCI_ERR_CAP_ECRC_CHKE; - pci_write_config_dword(dev, pos + PCI_ERR_CAP, dconfig); - /* PCI_ERR_HEADER_LOG - Header Log Register (16 bytes) */ - /* Report all errors to the root complex */ - pci_write_config_dword(dev, pos + PCI_ERR_ROOT_COMMAND, - PCI_ERR_ROOT_CMD_COR_EN | - PCI_ERR_ROOT_CMD_NONFATAL_EN | - PCI_ERR_ROOT_CMD_FATAL_EN); - /* Clear the Root status register */ - pci_read_config_dword(dev, pos + PCI_ERR_ROOT_STATUS, &dconfig); - pci_write_config_dword(dev, pos + PCI_ERR_ROOT_STATUS, dconfig); - } - - return 0; -} diff --git a/arch/mips/cobalt/buttons.c b/arch/mips/cobalt/buttons.c index 9e14398..4eaec8b 100644 --- a/arch/mips/cobalt/buttons.c +++ b/arch/mips/cobalt/buttons.c @@ -1,7 +1,7 @@ /* * Cobalt buttons platform device. * - * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/cobalt/lcd.c b/arch/mips/cobalt/lcd.c index 0720e4f..0f1cd90 100644 --- a/arch/mips/cobalt/lcd.c +++ b/arch/mips/cobalt/lcd.c @@ -1,7 +1,7 @@ /* * Registration of Cobalt LCD platform device. * - * Copyright (C) 2008 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2008 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/cobalt/led.c b/arch/mips/cobalt/led.c index 1c6ebd4..d3ce6fa 100644 --- a/arch/mips/cobalt/led.c +++ b/arch/mips/cobalt/led.c @@ -1,7 +1,7 @@ /* * Registration of Cobalt LED platform device. * - * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/cobalt/mtd.c b/arch/mips/cobalt/mtd.c index 2b088ef..691d620 100644 --- a/arch/mips/cobalt/mtd.c +++ b/arch/mips/cobalt/mtd.c @@ -1,7 +1,7 @@ /* * Registration of Cobalt MTD device. * - * Copyright (C) 2006 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2006 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/cobalt/rtc.c b/arch/mips/cobalt/rtc.c index e70794b..3ab3989 100644 --- a/arch/mips/cobalt/rtc.c +++ b/arch/mips/cobalt/rtc.c @@ -1,7 +1,7 @@ /* * Registration of Cobalt RTC platform device. * - * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/cobalt/serial.c b/arch/mips/cobalt/serial.c index 53b8d0d..7cb51f5 100644 --- a/arch/mips/cobalt/serial.c +++ b/arch/mips/cobalt/serial.c @@ -1,7 +1,7 @@ /* * Registration of Cobalt UART platform device. * - * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/cobalt/time.c b/arch/mips/cobalt/time.c index 4a570e7..0162f9e 100644 --- a/arch/mips/cobalt/time.c +++ b/arch/mips/cobalt/time.c @@ -1,7 +1,7 @@ /* * Cobalt time initialization. * - * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/configs/ar7_defconfig b/arch/mips/configs/ar7_defconfig new file mode 100644 index 0000000..dad5b67 --- /dev/null +++ b/arch/mips/configs/ar7_defconfig @@ -0,0 +1,1182 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.30 +# Wed Jun 24 14:08:59 2009 +# +CONFIG_MIPS=y + +# +# Machine selection +# +# CONFIG_MACH_ALCHEMY is not set +CONFIG_AR7=y +# CONFIG_BASLER_EXCITE is not set +# CONFIG_BCM47XX is not set +# CONFIG_MIPS_COBALT is not set +# CONFIG_MACH_DECSTATION is not set +# CONFIG_MACH_JAZZ is not set +# CONFIG_LASAT is not set +# CONFIG_LEMOTE_FULONG is not set +# CONFIG_MIPS_MALTA is not set +# CONFIG_MIPS_SIM is not set +# CONFIG_NEC_MARKEINS is not set +# CONFIG_MACH_VR41XX is not set +# CONFIG_NXP_STB220 is not set +# CONFIG_NXP_STB225 is not set +# CONFIG_PNX8550_JBS is not set +# CONFIG_PNX8550_STB810 is not set +# CONFIG_PMC_MSP is not set +# CONFIG_PMC_YOSEMITE is not set +# CONFIG_SGI_IP22 is not set +# CONFIG_SGI_IP27 is not set +# CONFIG_SGI_IP28 is not set +# CONFIG_SGI_IP32 is not set +# CONFIG_SIBYTE_CRHINE is not set +# CONFIG_SIBYTE_CARMEL is not set +# CONFIG_SIBYTE_CRHONE is not set +# CONFIG_SIBYTE_RHONE is not set +# CONFIG_SIBYTE_SWARM is not set +# CONFIG_SIBYTE_LITTLESUR is not set +# CONFIG_SIBYTE_SENTOSA is not set +# CONFIG_SIBYTE_BIGSUR is not set +# CONFIG_SNI_RM is not set +# CONFIG_MACH_TX39XX is not set +# CONFIG_MACH_TX49XX is not set +# CONFIG_MIKROTIK_RB532 is not set +# CONFIG_WR_PPMC is not set +# CONFIG_CAVIUM_OCTEON_SIMULATOR is not set +# CONFIG_CAVIUM_OCTEON_REFERENCE_BOARD is not set +# CONFIG_ALCHEMY_GPIO_INDIRECT is not set +CONFIG_RWSEM_GENERIC_SPINLOCK=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_ARCH_SUPPORTS_OPROFILE=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_CMOS_UPDATE=y +CONFIG_SCHED_OMIT_FRAME_POINTER=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +CONFIG_CEVT_R4K_LIB=y +CONFIG_CEVT_R4K=y +CONFIG_CSRC_R4K_LIB=y +CONFIG_CSRC_R4K=y +CONFIG_DMA_NONCOHERENT=y +CONFIG_DMA_NEED_PCI_MAP_STATE=y +CONFIG_EARLY_PRINTK=y +CONFIG_SYS_HAS_EARLY_PRINTK=y +# CONFIG_HOTPLUG_CPU is not set +# CONFIG_NO_IOPORT is not set +CONFIG_GENERIC_GPIO=y +# CONFIG_CPU_BIG_ENDIAN is not set +CONFIG_CPU_LITTLE_ENDIAN=y +CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y +CONFIG_IRQ_CPU=y +CONFIG_NO_EXCEPT_FILL=y +CONFIG_SWAP_IO_SPACE=y +CONFIG_BOOT_ELF32=y +CONFIG_MIPS_L1_CACHE_SHIFT=5 + +# +# CPU selection +# +# CONFIG_CPU_LOONGSON2 is not set +CONFIG_CPU_MIPS32_R1=y +# CONFIG_CPU_MIPS32_R2 is not set +# CONFIG_CPU_MIPS64_R1 is not set +# CONFIG_CPU_MIPS64_R2 is not set +# CONFIG_CPU_R3000 is not set +# CONFIG_CPU_TX39XX is not set +# CONFIG_CPU_VR41XX is not set +# CONFIG_CPU_R4300 is not set +# CONFIG_CPU_R4X00 is not set +# CONFIG_CPU_TX49XX is not set +# CONFIG_CPU_R5000 is not set +# CONFIG_CPU_R5432 is not set +# CONFIG_CPU_R5500 is not set +# CONFIG_CPU_R6000 is not set +# CONFIG_CPU_NEVADA is not set +# CONFIG_CPU_R8000 is not set +# CONFIG_CPU_R10000 is not set +# CONFIG_CPU_RM7000 is not set +# CONFIG_CPU_RM9000 is not set +# CONFIG_CPU_SB1 is not set +# CONFIG_CPU_CAVIUM_OCTEON is not set +CONFIG_SYS_HAS_CPU_MIPS32_R1=y +CONFIG_CPU_MIPS32=y +CONFIG_CPU_MIPSR1=y +CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y +CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y +CONFIG_HARDWARE_WATCHPOINTS=y + +# +# Kernel type +# +CONFIG_32BIT=y +# CONFIG_64BIT is not set +CONFIG_PAGE_SIZE_4KB=y +# CONFIG_PAGE_SIZE_8KB is not set +# CONFIG_PAGE_SIZE_16KB is not set +# CONFIG_PAGE_SIZE_32KB is not set +# CONFIG_PAGE_SIZE_64KB is not set +CONFIG_CPU_HAS_PREFETCH=y +CONFIG_MIPS_MT_DISABLED=y +# CONFIG_MIPS_MT_SMP is not set +# CONFIG_MIPS_MT_SMTC is not set +CONFIG_CPU_HAS_LLSC=y +CONFIG_CPU_HAS_SYNC=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_CPU_SUPPORTS_HIGHMEM=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_PHYS_ADDR_T_64BIT is not set +CONFIG_ZONE_DMA_FLAG=0 +CONFIG_VIRT_TO_BUS=y +CONFIG_HAVE_MLOCK=y +CONFIG_HAVE_MLOCKED_PAGE_BIT=y +CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 +CONFIG_TICK_ONESHOT=y +# CONFIG_NO_HZ is not set +CONFIG_HIGH_RES_TIMERS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +# CONFIG_HZ_48 is not set +CONFIG_HZ_100=y +# CONFIG_HZ_128 is not set +# CONFIG_HZ_250 is not set +# CONFIG_HZ_256 is not set +# CONFIG_HZ_1000 is not set +# CONFIG_HZ_1024 is not set +CONFIG_SYS_SUPPORTS_ARBIT_HZ=y +CONFIG_HZ=100 +CONFIG_PREEMPT_NONE=y +# CONFIG_PREEMPT_VOLUNTARY is not set +# CONFIG_PREEMPT is not set +CONFIG_KEXEC=y +# CONFIG_SECCOMP is not set +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# General setup +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +CONFIG_LOCALVERSION="" +# CONFIG_LOCALVERSION_AUTO is not set +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +# CONFIG_POSIX_MQUEUE is not set +CONFIG_BSD_PROCESS_ACCT=y +# CONFIG_BSD_PROCESS_ACCT_V3 is not set +# CONFIG_TASKSTATS is not set +# CONFIG_AUDIT is not set + +# +# RCU Subsystem +# +CONFIG_CLASSIC_RCU=y +# CONFIG_TREE_RCU is not set +# CONFIG_PREEMPT_RCU is not set +# CONFIG_TREE_RCU_TRACE is not set +# CONFIG_PREEMPT_RCU_TRACE is not set +# CONFIG_IKCONFIG is not set +CONFIG_LOG_BUF_SHIFT=14 +# CONFIG_GROUP_SCHED is not set +# CONFIG_CGROUPS is not set +CONFIG_SYSFS_DEPRECATED=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_RELAY=y +# CONFIG_NAMESPACES is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +CONFIG_RD_GZIP=y +# CONFIG_RD_BZIP2 is not set +CONFIG_RD_LZMA=y +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_SYSCTL=y +CONFIG_ANON_INODES=y +CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y +# CONFIG_KALLSYMS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +# CONFIG_ELF_CORE is not set +# CONFIG_PCSPKR_PLATFORM is not set +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_SHMEM=y +CONFIG_AIO=y + +# +# Performance Counters +# +# CONFIG_VM_EVENT_COUNTERS is not set +CONFIG_STRIP_ASM_SYMS=y +# CONFIG_COMPAT_BRK is not set +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set +# CONFIG_PROFILING is not set +# CONFIG_MARKERS is not set +CONFIG_HAVE_OPROFILE=y +# CONFIG_SLOW_WORK is not set +# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set +CONFIG_SLABINFO=y +CONFIG_RT_MUTEXES=y +CONFIG_BASE_SMALL=0 +CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_BLOCK=y +# CONFIG_LBD is not set +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_BLK_DEV_INTEGRITY is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +CONFIG_IOSCHED_DEADLINE=y +# CONFIG_IOSCHED_CFQ is not set +# CONFIG_DEFAULT_AS is not set +CONFIG_DEFAULT_DEADLINE=y +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="deadline" +CONFIG_PROBE_INITRD_HEADER=y +# CONFIG_FREEZER is not set + +# +# Bus options (PCI, PCMCIA, EISA, ISA, TC) +# +# CONFIG_ARCH_SUPPORTS_MSI is not set +CONFIG_MMU=y +# CONFIG_PCCARD is not set + +# +# Executable file formats +# +CONFIG_BINFMT_ELF=y +# CONFIG_HAVE_AOUT is not set +# CONFIG_BINFMT_MISC is not set +CONFIG_TRAD_SIGNALS=y + +# +# Power management options +# +CONFIG_ARCH_HIBERNATION_POSSIBLE=y +CONFIG_ARCH_SUSPEND_POSSIBLE=y +# CONFIG_PM is not set +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +CONFIG_PACKET_MMAP=y +CONFIG_UNIX=y +# CONFIG_NET_KEY is not set +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +CONFIG_IP_ADVANCED_ROUTER=y +CONFIG_ASK_IP_FIB_HASH=y +# CONFIG_IP_FIB_TRIE is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_MULTIPLE_TABLES=y +CONFIG_IP_ROUTE_MULTIPATH=y +CONFIG_IP_ROUTE_VERBOSE=y +# CONFIG_IP_PNP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +CONFIG_IP_MROUTE=y +# CONFIG_IP_PIMSM_V1 is not set +# CONFIG_IP_PIMSM_V2 is not set +CONFIG_ARPD=y +CONFIG_SYN_COOKIES=y +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set +# CONFIG_INET_XFRM_MODE_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_BEET is not set +# CONFIG_INET_LRO is not set +# CONFIG_INET_DIAG is not set +CONFIG_TCP_CONG_ADVANCED=y +# CONFIG_TCP_CONG_BIC is not set +# CONFIG_TCP_CONG_CUBIC is not set +CONFIG_TCP_CONG_WESTWOOD=y +# CONFIG_TCP_CONG_HTCP is not set +# CONFIG_TCP_CONG_HSTCP is not set +# CONFIG_TCP_CONG_HYBLA is not set +# CONFIG_TCP_CONG_VEGAS is not set +# CONFIG_TCP_CONG_SCALABLE is not set +# CONFIG_TCP_CONG_LP is not set +# CONFIG_TCP_CONG_VENO is not set +# CONFIG_TCP_CONG_YEAH is not set +# CONFIG_TCP_CONG_ILLINOIS is not set +# CONFIG_DEFAULT_BIC is not set +# CONFIG_DEFAULT_CUBIC is not set +# CONFIG_DEFAULT_HTCP is not set +# CONFIG_DEFAULT_VEGAS is not set +CONFIG_DEFAULT_WESTWOOD=y +# CONFIG_DEFAULT_RENO is not set +CONFIG_DEFAULT_TCP_CONG="westwood" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_NETWORK_SECMARK is not set +CONFIG_NETFILTER=y +# CONFIG_NETFILTER_DEBUG is not set +CONFIG_NETFILTER_ADVANCED=y +# CONFIG_BRIDGE_NETFILTER is not set + +# +# Core Netfilter Configuration +# +# CONFIG_NETFILTER_NETLINK_QUEUE is not set +# CONFIG_NETFILTER_NETLINK_LOG is not set +CONFIG_NF_CONNTRACK=m +# CONFIG_NF_CT_ACCT is not set +CONFIG_NF_CONNTRACK_MARK=y +# CONFIG_NF_CONNTRACK_EVENTS is not set +# CONFIG_NF_CT_PROTO_DCCP is not set +# CONFIG_NF_CT_PROTO_SCTP is not set +# CONFIG_NF_CT_PROTO_UDPLITE is not set +# CONFIG_NF_CONNTRACK_AMANDA is not set +CONFIG_NF_CONNTRACK_FTP=m +# CONFIG_NF_CONNTRACK_H323 is not set +CONFIG_NF_CONNTRACK_IRC=m +# CONFIG_NF_CONNTRACK_NETBIOS_NS is not set +# CONFIG_NF_CONNTRACK_PPTP is not set +# CONFIG_NF_CONNTRACK_SANE is not set +# CONFIG_NF_CONNTRACK_SIP is not set +CONFIG_NF_CONNTRACK_TFTP=m +# CONFIG_NF_CT_NETLINK is not set +# CONFIG_NETFILTER_TPROXY is not set +CONFIG_NETFILTER_XTABLES=m +# CONFIG_NETFILTER_XT_TARGET_CLASSIFY is not set +# CONFIG_NETFILTER_XT_TARGET_CONNMARK is not set +# CONFIG_NETFILTER_XT_TARGET_DSCP is not set +# CONFIG_NETFILTER_XT_TARGET_HL is not set +# CONFIG_NETFILTER_XT_TARGET_LED is not set +# CONFIG_NETFILTER_XT_TARGET_MARK is not set +# CONFIG_NETFILTER_XT_TARGET_NFLOG is not set +# CONFIG_NETFILTER_XT_TARGET_NFQUEUE is not set +CONFIG_NETFILTER_XT_TARGET_NOTRACK=m +# CONFIG_NETFILTER_XT_TARGET_RATEEST is not set +# CONFIG_NETFILTER_XT_TARGET_TRACE is not set +CONFIG_NETFILTER_XT_TARGET_TCPMSS=m +# CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP is not set +# CONFIG_NETFILTER_XT_MATCH_CLUSTER is not set +# CONFIG_NETFILTER_XT_MATCH_COMMENT is not set +# CONFIG_NETFILTER_XT_MATCH_CONNBYTES is not set +# CONFIG_NETFILTER_XT_MATCH_CONNLIMIT is not set +# CONFIG_NETFILTER_XT_MATCH_CONNMARK is not set +# CONFIG_NETFILTER_XT_MATCH_CONNTRACK is not set +# CONFIG_NETFILTER_XT_MATCH_DCCP is not set +# CONFIG_NETFILTER_XT_MATCH_DSCP is not set +# CONFIG_NETFILTER_XT_MATCH_ESP is not set +# CONFIG_NETFILTER_XT_MATCH_HASHLIMIT is not set +# CONFIG_NETFILTER_XT_MATCH_HELPER is not set +# CONFIG_NETFILTER_XT_MATCH_HL is not set +# CONFIG_NETFILTER_XT_MATCH_IPRANGE is not set +# CONFIG_NETFILTER_XT_MATCH_LENGTH is not set +CONFIG_NETFILTER_XT_MATCH_LIMIT=m +CONFIG_NETFILTER_XT_MATCH_MAC=m +# CONFIG_NETFILTER_XT_MATCH_MARK is not set +CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m +# CONFIG_NETFILTER_XT_MATCH_OWNER is not set +# CONFIG_NETFILTER_XT_MATCH_PKTTYPE is not set +# CONFIG_NETFILTER_XT_MATCH_QUOTA is not set +# CONFIG_NETFILTER_XT_MATCH_RATEEST is not set +# CONFIG_NETFILTER_XT_MATCH_REALM is not set +# CONFIG_NETFILTER_XT_MATCH_RECENT is not set +# CONFIG_NETFILTER_XT_MATCH_SCTP is not set +CONFIG_NETFILTER_XT_MATCH_STATE=m +# CONFIG_NETFILTER_XT_MATCH_STATISTIC is not set +# CONFIG_NETFILTER_XT_MATCH_STRING is not set +# CONFIG_NETFILTER_XT_MATCH_TCPMSS is not set +# CONFIG_NETFILTER_XT_MATCH_TIME is not set +# CONFIG_NETFILTER_XT_MATCH_U32 is not set +# CONFIG_IP_VS is not set + +# +# IP: Netfilter Configuration +# +CONFIG_NF_DEFRAG_IPV4=m +CONFIG_NF_CONNTRACK_IPV4=m +CONFIG_NF_CONNTRACK_PROC_COMPAT=y +# CONFIG_IP_NF_QUEUE is not set +CONFIG_IP_NF_IPTABLES=m +# CONFIG_IP_NF_MATCH_ADDRTYPE is not set +# CONFIG_IP_NF_MATCH_AH is not set +# CONFIG_IP_NF_MATCH_ECN is not set +# CONFIG_IP_NF_MATCH_TTL is not set +CONFIG_IP_NF_FILTER=m +CONFIG_IP_NF_TARGET_REJECT=m +CONFIG_IP_NF_TARGET_LOG=m +# CONFIG_IP_NF_TARGET_ULOG is not set +CONFIG_NF_NAT=m +CONFIG_NF_NAT_NEEDED=y +CONFIG_IP_NF_TARGET_MASQUERADE=m +# CONFIG_IP_NF_TARGET_NETMAP is not set +# CONFIG_IP_NF_TARGET_REDIRECT is not set +# CONFIG_NF_NAT_SNMP_BASIC is not set +CONFIG_NF_NAT_FTP=m +CONFIG_NF_NAT_IRC=m +CONFIG_NF_NAT_TFTP=m +# CONFIG_NF_NAT_AMANDA is not set +# CONFIG_NF_NAT_PPTP is not set +# CONFIG_NF_NAT_H323 is not set +# CONFIG_NF_NAT_SIP is not set +CONFIG_IP_NF_MANGLE=m +# CONFIG_IP_NF_TARGET_CLUSTERIP is not set +# CONFIG_IP_NF_TARGET_ECN is not set +# CONFIG_IP_NF_TARGET_TTL is not set +CONFIG_IP_NF_RAW=m +# CONFIG_IP_NF_ARPTABLES is not set +# CONFIG_IP_DCCP is not set +# CONFIG_IP_SCTP is not set +# CONFIG_TIPC is not set +CONFIG_ATM=m +# CONFIG_ATM_CLIP is not set +# CONFIG_ATM_LANE is not set +CONFIG_ATM_BR2684=m +CONFIG_ATM_BR2684_IPFILTER=y +CONFIG_STP=y +CONFIG_BRIDGE=y +# CONFIG_NET_DSA is not set +CONFIG_VLAN_8021Q=y +# CONFIG_VLAN_8021Q_GVRP is not set +# CONFIG_DECNET is not set +CONFIG_LLC=y +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set +# CONFIG_PHONET is not set +# CONFIG_IEEE802154 is not set +CONFIG_NET_SCHED=y + +# +# Queueing/Scheduling +# +# CONFIG_NET_SCH_CBQ is not set +# CONFIG_NET_SCH_HTB is not set +# CONFIG_NET_SCH_HFSC is not set +# CONFIG_NET_SCH_ATM is not set +# CONFIG_NET_SCH_PRIO is not set +# CONFIG_NET_SCH_MULTIQ is not set +# CONFIG_NET_SCH_RED is not set +# CONFIG_NET_SCH_SFQ is not set +# CONFIG_NET_SCH_TEQL is not set +# CONFIG_NET_SCH_TBF is not set +# CONFIG_NET_SCH_GRED is not set +# CONFIG_NET_SCH_DSMARK is not set +# CONFIG_NET_SCH_NETEM is not set +# CONFIG_NET_SCH_DRR is not set +# CONFIG_NET_SCH_INGRESS is not set + +# +# Classification +# +# CONFIG_NET_CLS_BASIC is not set +# CONFIG_NET_CLS_TCINDEX is not set +# CONFIG_NET_CLS_ROUTE4 is not set +# CONFIG_NET_CLS_FW is not set +# CONFIG_NET_CLS_U32 is not set +# CONFIG_NET_CLS_RSVP is not set +# CONFIG_NET_CLS_RSVP6 is not set +# CONFIG_NET_CLS_FLOW is not set +# CONFIG_NET_EMATCH is not set +CONFIG_NET_CLS_ACT=y +CONFIG_NET_ACT_POLICE=y +# CONFIG_NET_ACT_GACT is not set +# CONFIG_NET_ACT_MIRRED is not set +# CONFIG_NET_ACT_IPT is not set +# CONFIG_NET_ACT_NAT is not set +# CONFIG_NET_ACT_PEDIT is not set +# CONFIG_NET_ACT_SIMP is not set +# CONFIG_NET_ACT_SKBEDIT is not set +CONFIG_NET_SCH_FIFO=y +# CONFIG_DCB is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +CONFIG_HAMRADIO=y + +# +# Packet Radio protocols +# +# CONFIG_AX25 is not set +# CONFIG_CAN is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set +CONFIG_FIB_RULES=y +CONFIG_WIRELESS=y +CONFIG_CFG80211=m +# CONFIG_CFG80211_REG_DEBUG is not set +# CONFIG_CFG80211_DEBUGFS is not set +# CONFIG_WIRELESS_OLD_REGULATORY is not set +CONFIG_WIRELESS_EXT=y +CONFIG_WIRELESS_EXT_SYSFS=y +# CONFIG_LIB80211 is not set +CONFIG_MAC80211=m +CONFIG_MAC80211_DEFAULT_PS=y +CONFIG_MAC80211_DEFAULT_PS_VALUE=1 + +# +# Rate control algorithm selection +# +CONFIG_MAC80211_RC_PID=y +CONFIG_MAC80211_RC_MINSTREL=y +CONFIG_MAC80211_RC_DEFAULT_PID=y +# CONFIG_MAC80211_RC_DEFAULT_MINSTREL is not set +CONFIG_MAC80211_RC_DEFAULT="pid" +# CONFIG_MAC80211_MESH is not set +# CONFIG_MAC80211_LEDS is not set +# CONFIG_MAC80211_DEBUGFS is not set +# CONFIG_MAC80211_DEBUG_MENU is not set +# CONFIG_WIMAX is not set +# CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +CONFIG_FW_LOADER=y +# CONFIG_FIRMWARE_IN_KERNEL is not set +CONFIG_EXTRA_FIRMWARE="" +# CONFIG_SYS_HYPERVISOR is not set +# CONFIG_CONNECTOR is not set +CONFIG_MTD=y +# CONFIG_MTD_DEBUG is not set +# CONFIG_MTD_CONCAT is not set +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_TESTS is not set +# CONFIG_MTD_REDBOOT_PARTS is not set +# CONFIG_MTD_CMDLINE_PARTS is not set +# CONFIG_MTD_AR7_PARTS is not set + +# +# User Modules And Translation Layers +# +CONFIG_MTD_CHAR=y +CONFIG_MTD_BLKDEVS=y +CONFIG_MTD_BLOCK=y +# CONFIG_FTL is not set +# CONFIG_NFTL is not set +# CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set +# CONFIG_MTD_OOPS is not set + +# +# RAM/ROM/Flash chip drivers +# +CONFIG_MTD_CFI=y +# CONFIG_MTD_JEDECPROBE is not set +CONFIG_MTD_GEN_PROBE=y +# CONFIG_MTD_CFI_ADV_OPTIONS is not set +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +CONFIG_MTD_CFI_INTELEXT=y +CONFIG_MTD_CFI_AMDSTD=y +CONFIG_MTD_CFI_STAA=y +CONFIG_MTD_CFI_UTIL=y +# CONFIG_MTD_RAM is not set +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_ABSENT is not set + +# +# Mapping drivers for chip access +# +CONFIG_MTD_COMPLEX_MAPPINGS=y +CONFIG_MTD_PHYSMAP=y +# CONFIG_MTD_PHYSMAP_COMPAT is not set +# CONFIG_MTD_PLATRAM is not set + +# +# Self-contained MTD device drivers +# +# CONFIG_MTD_SLRAM is not set +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_BLOCK2MTD is not set + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set +# CONFIG_MTD_NAND is not set +# CONFIG_MTD_ONENAND is not set + +# +# LPDDR flash memory drivers +# +# CONFIG_MTD_LPDDR is not set + +# +# UBI - Unsorted block images +# +# CONFIG_MTD_UBI is not set +# CONFIG_PARPORT is not set +CONFIG_BLK_DEV=y +# CONFIG_BLK_DEV_COW_COMMON is not set +# CONFIG_BLK_DEV_LOOP is not set +# CONFIG_BLK_DEV_NBD is not set +# CONFIG_BLK_DEV_RAM is not set +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set +# CONFIG_BLK_DEV_HD is not set +CONFIG_MISC_DEVICES=y +# CONFIG_ENCLOSURE_SERVICES is not set +# CONFIG_C2PORT is not set + +# +# EEPROM support +# +# CONFIG_EEPROM_93CX6 is not set +CONFIG_HAVE_IDE=y +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +# CONFIG_SCSI is not set +# CONFIG_SCSI_DMA is not set +# CONFIG_SCSI_NETLINK is not set +# CONFIG_ATA is not set +# CONFIG_MD is not set +CONFIG_NETDEVICES=y +# CONFIG_IFB is not set +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_MACVLAN is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set +# CONFIG_VETH is not set +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +# CONFIG_MARVELL_PHY is not set +# CONFIG_DAVICOM_PHY is not set +# CONFIG_QSEMI_PHY is not set +# CONFIG_LXT_PHY is not set +# CONFIG_CICADA_PHY is not set +# CONFIG_VITESSE_PHY is not set +# CONFIG_SMSC_PHY is not set +# CONFIG_BROADCOM_PHY is not set +# CONFIG_ICPLUS_PHY is not set +# CONFIG_REALTEK_PHY is not set +# CONFIG_NATIONAL_PHY is not set +# CONFIG_STE10XP is not set +# CONFIG_LSI_ET1011C_PHY is not set +CONFIG_FIXED_PHY=y +# CONFIG_MDIO_BITBANG is not set +CONFIG_NET_ETHERNET=y +CONFIG_MII=y +# CONFIG_AX88796 is not set +# CONFIG_SMC91X is not set +# CONFIG_DM9000 is not set +# CONFIG_ETHOC is not set +# CONFIG_DNET is not set +# CONFIG_IBM_NEW_EMAC_ZMII is not set +# CONFIG_IBM_NEW_EMAC_RGMII is not set +# CONFIG_IBM_NEW_EMAC_TAH is not set +# CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set +# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set +# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set +# CONFIG_B44 is not set +# CONFIG_KS8842 is not set +CONFIG_CPMAC=y +# CONFIG_NETDEV_1000 is not set +# CONFIG_NETDEV_10000 is not set + +# +# Wireless LAN +# +# CONFIG_WLAN_PRE80211 is not set +CONFIG_WLAN_80211=y +# CONFIG_LIBERTAS is not set +# CONFIG_LIBERTAS_THINFIRM is not set +# CONFIG_MAC80211_HWSIM is not set +# CONFIG_P54_COMMON is not set +# CONFIG_HOSTAP is not set +# CONFIG_B43 is not set +# CONFIG_B43LEGACY is not set +# CONFIG_RT2X00 is not set + +# +# Enable WiMAX (Networking options) to see the WiMAX drivers +# +# CONFIG_WAN is not set +CONFIG_ATM_DRIVERS=y +# CONFIG_ATM_DUMMY is not set +# CONFIG_ATM_TCP is not set +CONFIG_PPP=m +CONFIG_PPP_MULTILINK=y +CONFIG_PPP_FILTER=y +CONFIG_PPP_ASYNC=m +# CONFIG_PPP_SYNC_TTY is not set +# CONFIG_PPP_DEFLATE is not set +# CONFIG_PPP_BSDCOMP is not set +# CONFIG_PPP_MPPE is not set +CONFIG_PPPOE=m +CONFIG_PPPOATM=m +# CONFIG_PPPOL2TP is not set +# CONFIG_SLIP is not set +CONFIG_SLHC=m +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set +# CONFIG_ISDN is not set +# CONFIG_PHONE is not set + +# +# Input device support +# +# CONFIG_INPUT is not set + +# +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +# CONFIG_VT is not set +# CONFIG_DEVKMEM is not set +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_8250_NR_UARTS=2 +CONFIG_SERIAL_8250_RUNTIME_UARTS=2 +# CONFIG_SERIAL_8250_EXTENDED is not set + +# +# Non-8250 serial port support +# +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +CONFIG_UNIX98_PTYS=y +# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set +# CONFIG_LEGACY_PTYS is not set +# CONFIG_IPMI_HANDLER is not set +CONFIG_HW_RANDOM=y +# CONFIG_HW_RANDOM_TIMERIOMEM is not set +# CONFIG_R3964 is not set +# CONFIG_RAW_DRIVER is not set +# CONFIG_TCG_TPM is not set +# CONFIG_I2C is not set +# CONFIG_SPI is not set +# CONFIG_W1 is not set +# CONFIG_POWER_SUPPLY is not set +# CONFIG_HWMON is not set +# CONFIG_THERMAL is not set +# CONFIG_THERMAL_HWMON is not set +CONFIG_WATCHDOG=y +# CONFIG_WATCHDOG_NOWAYOUT is not set + +# +# Watchdog Device Drivers +# +# CONFIG_SOFT_WATCHDOG is not set +CONFIG_AR7_WDT=y +CONFIG_SSB_POSSIBLE=y + +# +# Sonics Silicon Backplane +# +CONFIG_SSB=y +# CONFIG_SSB_SILENT is not set +# CONFIG_SSB_DEBUG is not set +CONFIG_SSB_SERIAL=y +CONFIG_SSB_DRIVER_MIPS=y +CONFIG_SSB_EMBEDDED=y +CONFIG_SSB_DRIVER_EXTIF=y + +# +# Multifunction device drivers +# +# CONFIG_MFD_CORE is not set +# CONFIG_MFD_SM501 is not set +# CONFIG_HTC_PASIC3 is not set +# CONFIG_MFD_TMIO is not set +# CONFIG_REGULATOR is not set +# CONFIG_MEDIA_SUPPORT is not set + +# +# Graphics support +# +# CONFIG_VGASTATE is not set +# CONFIG_VIDEO_OUTPUT_CONTROL is not set +# CONFIG_FB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set +# CONFIG_SOUND is not set +# CONFIG_USB_SUPPORT is not set +# CONFIG_MMC is not set +# CONFIG_MEMSTICK is not set +CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=y + +# +# LED drivers +# +# CONFIG_LEDS_GPIO is not set + +# +# LED Triggers +# +CONFIG_LEDS_TRIGGERS=y +CONFIG_LEDS_TRIGGER_TIMER=y +CONFIG_LEDS_TRIGGER_HEARTBEAT=y +# CONFIG_LEDS_TRIGGER_BACKLIGHT is not set +CONFIG_LEDS_TRIGGER_DEFAULT_ON=y + +# +# iptables trigger is under Netfilter config (LED target) +# +# CONFIG_ACCESSIBILITY is not set +CONFIG_RTC_LIB=y +# CONFIG_RTC_CLASS is not set +# CONFIG_DMADEVICES is not set +# CONFIG_AUXDISPLAY is not set +# CONFIG_UIO is not set + +# +# TI VLYNQ +# +CONFIG_VLYNQ=y +# CONFIG_STAGING is not set + +# +# File systems +# +# CONFIG_EXT2_FS is not set +# CONFIG_EXT3_FS is not set +# CONFIG_EXT4_FS is not set +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_OCFS2_FS is not set +# CONFIG_BTRFS_FS is not set +CONFIG_FILE_LOCKING=y +CONFIG_FSNOTIFY=y +# CONFIG_DNOTIFY is not set +# CONFIG_INOTIFY is not set +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# Caches +# +# CONFIG_FSCACHE is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +# CONFIG_MSDOS_FS is not set +# CONFIG_VFAT_FS is not set +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y +# CONFIG_PROC_PAGE_MONITOR is not set +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +# CONFIG_HUGETLB_PAGE is not set +# CONFIG_CONFIGFS_FS is not set +CONFIG_MISC_FILESYSTEMS=y +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +CONFIG_JFFS2_FS=y +CONFIG_JFFS2_FS_DEBUG=0 +CONFIG_JFFS2_FS_WRITEBUFFER=y +# CONFIG_JFFS2_FS_WBUF_VERIFY is not set +CONFIG_JFFS2_SUMMARY=y +# CONFIG_JFFS2_FS_XATTR is not set +CONFIG_JFFS2_COMPRESSION_OPTIONS=y +CONFIG_JFFS2_ZLIB=y +# CONFIG_JFFS2_LZO is not set +CONFIG_JFFS2_RTIME=y +# CONFIG_JFFS2_RUBIN is not set +# CONFIG_JFFS2_CMODE_NONE is not set +CONFIG_JFFS2_CMODE_PRIORITY=y +# CONFIG_JFFS2_CMODE_SIZE is not set +# CONFIG_JFFS2_CMODE_FAVOURLZO is not set +# CONFIG_CRAMFS is not set +CONFIG_SQUASHFS=y +# CONFIG_SQUASHFS_EMBEDDED is not set +CONFIG_SQUASHFS_FRAGMENT_CACHE_SIZE=3 +# CONFIG_VXFS_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_OMFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_ROMFS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set +# CONFIG_NILFS2_FS is not set +CONFIG_NETWORK_FILESYSTEMS=y +# CONFIG_NFS_FS is not set +# CONFIG_NFSD is not set +# CONFIG_SMB_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set + +# +# Partition Types +# +CONFIG_PARTITION_ADVANCED=y +# CONFIG_ACORN_PARTITION is not set +# CONFIG_OSF_PARTITION is not set +# CONFIG_AMIGA_PARTITION is not set +# CONFIG_ATARI_PARTITION is not set +# CONFIG_MAC_PARTITION is not set +CONFIG_MSDOS_PARTITION=y +CONFIG_BSD_DISKLABEL=y +# CONFIG_MINIX_SUBPARTITION is not set +# CONFIG_SOLARIS_X86_PARTITION is not set +# CONFIG_UNIXWARE_DISKLABEL is not set +# CONFIG_LDM_PARTITION is not set +# CONFIG_SGI_PARTITION is not set +# CONFIG_ULTRIX_PARTITION is not set +# CONFIG_SUN_PARTITION is not set +# CONFIG_KARMA_PARTITION is not set +# CONFIG_EFI_PARTITION is not set +# CONFIG_SYSV68_PARTITION is not set +# CONFIG_NLS is not set +# CONFIG_DLM is not set + +# +# Kernel hacking +# +CONFIG_TRACE_IRQFLAGS_SUPPORT=y +# CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_WARN_DEPRECATED=y +# CONFIG_ENABLE_MUST_CHECK is not set +CONFIG_FRAME_WARN=1024 +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_UNUSED_SYMBOLS is not set +CONFIG_DEBUG_FS=y +# CONFIG_HEADERS_CHECK is not set +# CONFIG_DEBUG_KERNEL is not set +# CONFIG_DEBUG_MEMORY_INIT is not set +# CONFIG_RCU_CPU_STALL_DETECTOR is not set +CONFIG_SYSCTL_SYSCALL_CHECK=y +CONFIG_TRACING_SUPPORT=y +# CONFIG_FTRACE is not set +# CONFIG_DYNAMIC_DEBUG is not set +# CONFIG_SAMPLES is not set +CONFIG_HAVE_ARCH_KGDB=y +CONFIG_CMDLINE="rootfstype=squashfs,jffs2" + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set +# CONFIG_SECURITYFS is not set +# CONFIG_SECURITY_FILE_CAPABILITIES is not set +CONFIG_CRYPTO=y + +# +# Crypto core or helper +# +# CONFIG_CRYPTO_FIPS is not set +CONFIG_CRYPTO_ALGAPI=m +CONFIG_CRYPTO_ALGAPI2=m +CONFIG_CRYPTO_AEAD2=m +CONFIG_CRYPTO_BLKCIPHER=m +CONFIG_CRYPTO_BLKCIPHER2=m +CONFIG_CRYPTO_HASH2=m +CONFIG_CRYPTO_RNG2=m +CONFIG_CRYPTO_PCOMP=m +CONFIG_CRYPTO_MANAGER=m +CONFIG_CRYPTO_MANAGER2=m +# CONFIG_CRYPTO_GF128MUL is not set +# CONFIG_CRYPTO_NULL is not set +CONFIG_CRYPTO_WORKQUEUE=m +# CONFIG_CRYPTO_CRYPTD is not set +# CONFIG_CRYPTO_AUTHENC is not set +# CONFIG_CRYPTO_TEST is not set + +# +# Authenticated Encryption with Associated Data +# +# CONFIG_CRYPTO_CCM is not set +# CONFIG_CRYPTO_GCM is not set +# CONFIG_CRYPTO_SEQIV is not set + +# +# Block modes +# +# CONFIG_CRYPTO_CBC is not set +# CONFIG_CRYPTO_CTR is not set +# CONFIG_CRYPTO_CTS is not set +CONFIG_CRYPTO_ECB=m +# CONFIG_CRYPTO_LRW is not set +# CONFIG_CRYPTO_PCBC is not set +# CONFIG_CRYPTO_XTS is not set + +# +# Hash modes +# +# CONFIG_CRYPTO_HMAC is not set +# CONFIG_CRYPTO_XCBC is not set + +# +# Digest +# +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_MD4 is not set +# CONFIG_CRYPTO_MD5 is not set +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_RMD128 is not set +# CONFIG_CRYPTO_RMD160 is not set +# CONFIG_CRYPTO_RMD256 is not set +# CONFIG_CRYPTO_RMD320 is not set +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_WP512 is not set + +# +# Ciphers +# +CONFIG_CRYPTO_AES=m +# CONFIG_CRYPTO_ANUBIS is not set +CONFIG_CRYPTO_ARC4=m +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +# CONFIG_CRYPTO_DES is not set +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_SALSA20 is not set +# CONFIG_CRYPTO_SEED is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_TWOFISH is not set + +# +# Compression +# +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_ZLIB is not set +# CONFIG_CRYPTO_LZO is not set + +# +# Random Number Generation +# +# CONFIG_CRYPTO_ANSI_CPRNG is not set +# CONFIG_CRYPTO_HW is not set +# CONFIG_BINARY_PRINTF is not set + +# +# Library routines +# +CONFIG_BITREVERSE=y +CONFIG_GENERIC_FIND_LAST_BIT=y +CONFIG_CRC_CCITT=m +# CONFIG_CRC16 is not set +# CONFIG_CRC_T10DIF is not set +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +# CONFIG_CRC7 is not set +# CONFIG_LIBCRC32C is not set +CONFIG_ZLIB_INFLATE=y +CONFIG_ZLIB_DEFLATE=y +CONFIG_DECOMPRESS_GZIP=y +CONFIG_DECOMPRESS_LZMA=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y +CONFIG_NLATTR=y diff --git a/arch/mips/gt64120/wrppmc/serial.c b/arch/mips/gt64120/wrppmc/serial.c index 5ec1c2f..6f9d085 100644 --- a/arch/mips/gt64120/wrppmc/serial.c +++ b/arch/mips/gt64120/wrppmc/serial.c @@ -1,7 +1,7 @@ /* * Registration of WRPPMC UART platform device. * - * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/include/asm/amon.h b/arch/mips/include/asm/amon.h new file mode 100644 index 0000000..c3dc1a6 --- /dev/null +++ b/arch/mips/include/asm/amon.h @@ -0,0 +1,7 @@ +/* + * Amon support + */ + +int amon_cpu_avail(int); +void amon_cpu_start(int, unsigned long, unsigned long, + unsigned long, unsigned long); diff --git a/arch/mips/include/asm/ds1287.h b/arch/mips/include/asm/ds1287.h index ba1702e..3af0b8f 100644 --- a/arch/mips/include/asm/ds1287.h +++ b/arch/mips/include/asm/ds1287.h @@ -1,7 +1,7 @@ /* * DS1287 timer functions. * - * Copyright (C) 2008 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2008 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h index d58f128..7990694 100644 --- a/arch/mips/include/asm/elf.h +++ b/arch/mips/include/asm/elf.h @@ -316,9 +316,13 @@ extern void elf_dump_regs(elf_greg_t *, struct pt_regs *regs); extern int dump_task_regs(struct task_struct *, elf_gregset_t *); extern int dump_task_fpu(struct task_struct *, elf_fpregset_t *); +#ifndef ELF_CORE_COPY_REGS #define ELF_CORE_COPY_REGS(elf_regs, regs) \ elf_dump_regs((elf_greg_t *)&(elf_regs), regs); +#endif +#ifndef ELF_CORE_COPY_TASK_REGS #define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs) +#endif #define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) \ dump_task_fpu(tsk, elf_fpregs) diff --git a/arch/mips/include/asm/gcmpregs.h b/arch/mips/include/asm/gcmpregs.h index d74a8a4..36fd969 100644 --- a/arch/mips/include/asm/gcmpregs.h +++ b/arch/mips/include/asm/gcmpregs.h @@ -114,4 +114,6 @@ #define GCMP_CCB_DINTGROUP_OFS 0x0030 /* DINT Group Participate */ #define GCMP_CCB_DBGGROUP_OFS 0x0100 /* DebugBreak Group */ +extern int __init gcmp_probe(unsigned long, unsigned long); + #endif /* _ASM_GCMPREGS_H */ diff --git a/arch/mips/include/asm/gic.h b/arch/mips/include/asm/gic.h index 954807d..10292e3 100644 --- a/arch/mips/include/asm/gic.h +++ b/arch/mips/include/asm/gic.h @@ -20,7 +20,11 @@ #define GIC_TRIG_EDGE 1 #define GIC_TRIG_LEVEL 0 +#if CONFIG_SMP +#define GIC_NUM_INTRS (24 + NR_CPUS * 2) +#else #define GIC_NUM_INTRS 32 +#endif #define MSK(n) ((1 << (n)) - 1) #define REG32(addr) (*(volatile unsigned int *) (addr)) @@ -483,5 +487,7 @@ extern void gic_init(unsigned long gic_base_addr, extern unsigned int gic_get_int(void); extern void gic_send_ipi(unsigned int intr); +extern unsigned int plat_ipi_call_int_xlate(unsigned int); +extern unsigned int plat_ipi_resched_int_xlate(unsigned int); #endif /* _ASM_GICREGS_H */ diff --git a/arch/mips/include/asm/irq_gt641xx.h b/arch/mips/include/asm/irq_gt641xx.h index f9a7c3a..250a240 100644 --- a/arch/mips/include/asm/irq_gt641xx.h +++ b/arch/mips/include/asm/irq_gt641xx.h @@ -1,7 +1,7 @@ /* * Galileo/Marvell GT641xx IRQ definitions. * - * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/include/asm/mach-ar7/ar7.h b/arch/mips/include/asm/mach-ar7/ar7.h new file mode 100644 index 0000000..de71694 --- /dev/null +++ b/arch/mips/include/asm/mach-ar7/ar7.h @@ -0,0 +1,178 @@ +/* + * Copyright (C) 2006,2007 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2006,2007 Eugene Konev <ejka@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __AR7_H__ +#define __AR7_H__ + +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/errno.h> + +#include <asm/addrspace.h> + +#define AR7_SDRAM_BASE 0x14000000 + +#define AR7_REGS_BASE 0x08610000 + +#define AR7_REGS_MAC0 (AR7_REGS_BASE + 0x0000) +#define AR7_REGS_GPIO (AR7_REGS_BASE + 0x0900) +/* 0x08610A00 - 0x08610BFF (512 bytes, 128 bytes / clock) */ +#define AR7_REGS_POWER (AR7_REGS_BASE + 0x0a00) +#define AR7_REGS_CLOCKS (AR7_REGS_POWER + 0x80) +#define UR8_REGS_CLOCKS (AR7_REGS_POWER + 0x20) +#define AR7_REGS_UART0 (AR7_REGS_BASE + 0x0e00) +#define AR7_REGS_USB (AR7_REGS_BASE + 0x1200) +#define AR7_REGS_RESET (AR7_REGS_BASE + 0x1600) +#define AR7_REGS_VLYNQ0 (AR7_REGS_BASE + 0x1800) +#define AR7_REGS_DCL (AR7_REGS_BASE + 0x1a00) +#define AR7_REGS_VLYNQ1 (AR7_REGS_BASE + 0x1c00) +#define AR7_REGS_MDIO (AR7_REGS_BASE + 0x1e00) +#define AR7_REGS_IRQ (AR7_REGS_BASE + 0x2400) +#define AR7_REGS_MAC1 (AR7_REGS_BASE + 0x2800) + +#define AR7_REGS_WDT (AR7_REGS_BASE + 0x1f00) +#define UR8_REGS_WDT (AR7_REGS_BASE + 0x0b00) +#define UR8_REGS_UART1 (AR7_REGS_BASE + 0x0f00) + +#define AR7_RESET_PEREPHERIAL 0x0 +#define AR7_RESET_SOFTWARE 0x4 +#define AR7_RESET_STATUS 0x8 + +#define AR7_RESET_BIT_CPMAC_LO 17 +#define AR7_RESET_BIT_CPMAC_HI 21 +#define AR7_RESET_BIT_MDIO 22 +#define AR7_RESET_BIT_EPHY 26 + +/* GPIO control registers */ +#define AR7_GPIO_INPUT 0x0 +#define AR7_GPIO_OUTPUT 0x4 +#define AR7_GPIO_DIR 0x8 +#define AR7_GPIO_ENABLE 0xc + +#define AR7_CHIP_7100 0x18 +#define AR7_CHIP_7200 0x2b +#define AR7_CHIP_7300 0x05 + +/* Interrupts */ +#define AR7_IRQ_UART0 15 +#define AR7_IRQ_UART1 16 + +/* Clocks */ +#define AR7_AFE_CLOCK 35328000 +#define AR7_REF_CLOCK 25000000 +#define AR7_XTAL_CLOCK 24000000 + +struct plat_cpmac_data { + int reset_bit; + int power_bit; + u32 phy_mask; + char dev_addr[6]; +}; + +struct plat_dsl_data { + int reset_bit_dsl; + int reset_bit_sar; +}; + +extern int ar7_cpu_clock, ar7_bus_clock, ar7_dsp_clock; + +static inline u16 ar7_chip_id(void) +{ + return readl((void *)KSEG1ADDR(AR7_REGS_GPIO + 0x14)) & 0xffff; +} + +static inline u8 ar7_chip_rev(void) +{ + return (readl((void *)KSEG1ADDR(AR7_REGS_GPIO + 0x14)) >> 16) & 0xff; +} + +static inline int ar7_cpu_freq(void) +{ + return ar7_cpu_clock; +} + +static inline int ar7_bus_freq(void) +{ + return ar7_bus_clock; +} + +static inline int ar7_vbus_freq(void) +{ + return ar7_bus_clock / 2; +} +#define ar7_cpmac_freq ar7_vbus_freq + +static inline int ar7_dsp_freq(void) +{ + return ar7_dsp_clock; +} + +static inline int ar7_has_high_cpmac(void) +{ + u16 chip_id = ar7_chip_id(); + switch (chip_id) { + case AR7_CHIP_7100: + case AR7_CHIP_7200: + return 0; + case AR7_CHIP_7300: + return 1; + default: + return -ENXIO; + } +} +#define ar7_has_high_vlynq ar7_has_high_cpmac +#define ar7_has_second_uart ar7_has_high_cpmac + +static inline void ar7_device_enable(u32 bit) +{ + void *reset_reg = + (void *)KSEG1ADDR(AR7_REGS_RESET + AR7_RESET_PEREPHERIAL); + writel(readl(reset_reg) | (1 << bit), reset_reg); + msleep(20); +} + +static inline void ar7_device_disable(u32 bit) +{ + void *reset_reg = + (void *)KSEG1ADDR(AR7_REGS_RESET + AR7_RESET_PEREPHERIAL); + writel(readl(reset_reg) & ~(1 << bit), reset_reg); + msleep(20); +} + +static inline void ar7_device_reset(u32 bit) +{ + ar7_device_disable(bit); + ar7_device_enable(bit); +} + +static inline void ar7_device_on(u32 bit) +{ + void *power_reg = (void *)KSEG1ADDR(AR7_REGS_POWER); + writel(readl(power_reg) | (1 << bit), power_reg); + msleep(20); +} + +static inline void ar7_device_off(u32 bit) +{ + void *power_reg = (void *)KSEG1ADDR(AR7_REGS_POWER); + writel(readl(power_reg) & ~(1 << bit), power_reg); + msleep(20); +} + +#endif /* __AR7_H__ */ diff --git a/arch/mips/include/asm/mach-ar7/gpio.h b/arch/mips/include/asm/mach-ar7/gpio.h new file mode 100644 index 0000000..cbe9c4f --- /dev/null +++ b/arch/mips/include/asm/mach-ar7/gpio.h @@ -0,0 +1,110 @@ +/* + * Copyright (C) 2007 Florian Fainelli <florian@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __AR7_GPIO_H__ +#define __AR7_GPIO_H__ + +#include <asm/mach-ar7/ar7.h> + +#define AR7_GPIO_MAX 32 + +extern int gpio_request(unsigned gpio, const char *label); +extern void gpio_free(unsigned gpio); + +/* Common GPIO layer */ +static inline int gpio_get_value(unsigned gpio) +{ + void __iomem *gpio_in = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_INPUT); + + return readl(gpio_in) & (1 << gpio); +} + +static inline void gpio_set_value(unsigned gpio, int value) +{ + void __iomem *gpio_out = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_OUTPUT); + unsigned tmp; + + tmp = readl(gpio_out) & ~(1 << gpio); + if (value) + tmp |= 1 << gpio; + writel(tmp, gpio_out); +} + +static inline int gpio_direction_input(unsigned gpio) +{ + void __iomem *gpio_dir = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_DIR); + + if (gpio >= AR7_GPIO_MAX) + return -EINVAL; + + writel(readl(gpio_dir) | (1 << gpio), gpio_dir); + + return 0; +} + +static inline int gpio_direction_output(unsigned gpio, int value) +{ + void __iomem *gpio_dir = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_DIR); + + if (gpio >= AR7_GPIO_MAX) + return -EINVAL; + + gpio_set_value(gpio, value); + writel(readl(gpio_dir) & ~(1 << gpio), gpio_dir); + + return 0; +} + +static inline int gpio_to_irq(unsigned gpio) +{ + return -EINVAL; +} + +static inline int irq_to_gpio(unsigned irq) +{ + return -EINVAL; +} + +/* Board specific GPIO functions */ +static inline int ar7_gpio_enable(unsigned gpio) +{ + void __iomem *gpio_en = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_ENABLE); + + writel(readl(gpio_en) | (1 << gpio), gpio_en); + + return 0; +} + +static inline int ar7_gpio_disable(unsigned gpio) +{ + void __iomem *gpio_en = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_ENABLE); + + writel(readl(gpio_en) & ~(1 << gpio), gpio_en); + + return 0; +} + +#include <asm-generic/gpio.h> + +#endif diff --git a/arch/mips/include/asm/mach-ar7/irq.h b/arch/mips/include/asm/mach-ar7/irq.h new file mode 100644 index 0000000..39e9757 --- /dev/null +++ b/arch/mips/include/asm/mach-ar7/irq.h @@ -0,0 +1,16 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Shamelessly copied from asm-mips/mach-emma2rh/ + * Copyright (C) 2003 by Ralf Baechle + */ +#ifndef __ASM_AR7_IRQ_H +#define __ASM_AR7_IRQ_H + +#define NR_IRQS 256 + +#include_next <irq.h> + +#endif /* __ASM_AR7_IRQ_H */ diff --git a/arch/mips/include/asm/mach-ar7/prom.h b/arch/mips/include/asm/mach-ar7/prom.h new file mode 100644 index 0000000..088f61f --- /dev/null +++ b/arch/mips/include/asm/mach-ar7/prom.h @@ -0,0 +1,25 @@ +/* + * Copyright (C) 2006, 2007 Florian Fainelli <florian@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __PROM_H__ +#define __PROM_H__ + +extern char *prom_getenv(const char *name); +extern void prom_meminit(void); + +#endif /* __PROM_H__ */ diff --git a/arch/mips/include/asm/mach-ar7/spaces.h b/arch/mips/include/asm/mach-ar7/spaces.h new file mode 100644 index 0000000..ac28f27 --- /dev/null +++ b/arch/mips/include/asm/mach-ar7/spaces.h @@ -0,0 +1,22 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1994 - 1999, 2000, 03, 04 Ralf Baechle + * Copyright (C) 2000, 2002 Maciej W. Rozycki + * Copyright (C) 1990, 1999, 2000 Silicon Graphics, Inc. + */ +#ifndef _ASM_AR7_SPACES_H +#define _ASM_AR7_SPACES_H + +/* + * This handles the memory map. + * We handle pages at KSEG0 for kernels with 32 bit address space. + */ +#define PAGE_OFFSET 0x94000000UL +#define PHYS_OFFSET 0x14000000UL + +#include <asm/mach-generic/spaces.h> + +#endif /* __ASM_AR7_SPACES_H */ diff --git a/arch/mips/include/asm/mach-ar7/war.h b/arch/mips/include/asm/mach-ar7/war.h new file mode 100644 index 0000000..f4862b5 --- /dev/null +++ b/arch/mips/include/asm/mach-ar7/war.h @@ -0,0 +1,25 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org> + */ +#ifndef __ASM_MIPS_MACH_AR7_WAR_H +#define __ASM_MIPS_MACH_AR7_WAR_H + +#define R4600_V1_INDEX_ICACHEOP_WAR 0 +#define R4600_V1_HIT_CACHEOP_WAR 0 +#define R4600_V2_HIT_CACHEOP_WAR 0 +#define R5432_CP0_INTERRUPT_WAR 0 +#define BCM1250_M3_WAR 0 +#define SIBYTE_1956_WAR 0 +#define MIPS4K_ICACHE_REFILL_WAR 0 +#define MIPS_CACHE_SYNC_WAR 0 +#define TX49XX_ICACHE_INDEX_INV_WAR 0 +#define RM9000_CDEX_SMP_WAR 0 +#define ICACHE_REFILLS_WORKAROUND_WAR 0 +#define R10000_LLSC_WAR 0 +#define MIPS34K_MISSED_ITLB_WAR 0 + +#endif /* __ASM_MIPS_MACH_AR7_WAR_H */ diff --git a/arch/mips/include/asm/mach-cobalt/irq.h b/arch/mips/include/asm/mach-cobalt/irq.h index 57c8c9a..9da9acf 100644 --- a/arch/mips/include/asm/mach-cobalt/irq.h +++ b/arch/mips/include/asm/mach-cobalt/irq.h @@ -8,7 +8,7 @@ * Copyright (C) 1997 Cobalt Microserver * Copyright (C) 1997, 2003 Ralf Baechle * Copyright (C) 2001-2003 Liam Davies (ldavies@agile.tv) - * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org> */ #ifndef _ASM_COBALT_IRQ_H #define _ASM_COBALT_IRQ_H diff --git a/arch/mips/include/asm/mach-cobalt/mach-gt64120.h b/arch/mips/include/asm/mach-cobalt/mach-gt64120.h index ae9c552..f8afec3 100644 --- a/arch/mips/include/asm/mach-cobalt/mach-gt64120.h +++ b/arch/mips/include/asm/mach-cobalt/mach-gt64120.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2006 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/cavium-octeon/pci-common.h b/arch/mips/include/asm/octeon/pci-octeon.h index 74ae799..6ac5d3e 100644 --- a/arch/mips/cavium-octeon/pci-common.h +++ b/arch/mips/include/asm/octeon/pci-octeon.h @@ -3,23 +3,29 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2005-2007 Cavium Networks + * Copyright (C) 2005-2009 Cavium Networks */ -#ifndef __OCTEON_PCI_COMMON_H__ -#define __OCTEON_PCI_COMMON_H__ + +#ifndef __PCI_OCTEON_H__ +#define __PCI_OCTEON_H__ #include <linux/pci.h> /* Some PCI cards require delays when accessing config space. */ #define PCI_CONFIG_SPACE_DELAY 10000 -/* pcibios_map_irq() is defined inside pci-common.c. All it does is call the - Octeon specific version pointed to by this variable. This function needs to - change for PCI or PCIe based hosts */ -extern typeof(pcibios_map_irq) *octeon_pcibios_map_irq; +/* + * pcibios_map_irq() is defined inside pci-octeon.c. All it does is + * call the Octeon specific version pointed to by this variable. This + * function needs to change for PCI or PCIe based hosts. + */ +extern int (*octeon_pcibios_map_irq)(const struct pci_dev *dev, + u8 slot, u8 pin); -/* The following defines are only used when octeon_dma_bar_type = - OCTEON_DMA_BAR_TYPE_BIG */ +/* + * The following defines are used when octeon_dma_bar_type = + * OCTEON_DMA_BAR_TYPE_BIG + */ #define OCTEON_PCI_BAR1_HOLE_BITS 5 #define OCTEON_PCI_BAR1_HOLE_SIZE (1ul<<(OCTEON_PCI_BAR1_HOLE_BITS+3)) @@ -30,9 +36,9 @@ enum octeon_dma_bar_type { OCTEON_DMA_BAR_TYPE_PCIE }; -/** - * This is a variable to tell the DMA mapping system in dma-octeon.c - * how to map PCI DMA addresses. +/* + * This tells the DMA mapping system in dma-octeon.c how to map PCI + * DMA addresses. */ extern enum octeon_dma_bar_type octeon_dma_bar_type; diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h index dc0eaa7..96a14a4 100644 --- a/arch/mips/include/asm/page.h +++ b/arch/mips/include/asm/page.h @@ -165,7 +165,14 @@ typedef struct { unsigned long pgprot; } pgprot_t; #ifdef CONFIG_FLATMEM -#define pfn_valid(pfn) ((pfn) >= ARCH_PFN_OFFSET && (pfn) < max_mapnr) +#define pfn_valid(pfn) \ +({ \ + unsigned long __pfn = (pfn); \ + /* avoid <linux/bootmem.h> include hell */ \ + extern unsigned long min_low_pfn; \ + \ + __pfn >= min_low_pfn && __pfn < max_mapnr; \ +}) #elif defined(CONFIG_SPARSEMEM) diff --git a/arch/mips/include/asm/reg.h b/arch/mips/include/asm/reg.h index 634b55d..910e71a 100644 --- a/arch/mips/include/asm/reg.h +++ b/arch/mips/include/asm/reg.h @@ -69,7 +69,7 @@ #endif -#ifdef CONFIG_64BIT +#if defined(CONFIG_64BIT) && !defined(WANT_COMPAT_REG_H) #define EF_R0 0 #define EF_R1 1 diff --git a/arch/mips/include/asm/swab.h b/arch/mips/include/asm/swab.h index 99993c0..97c2f81 100644 --- a/arch/mips/include/asm/swab.h +++ b/arch/mips/include/asm/swab.h @@ -38,7 +38,11 @@ static inline __attribute_const__ __u32 __arch_swab32(__u32 x) } #define __arch_swab32 __arch_swab32 -#ifdef CONFIG_CPU_MIPS64_R2 +/* + * Having already checked for CONFIG_CPU_MIPSR2, enable the + * optimized version for 64-bit kernel on r2 CPUs. + */ +#ifdef CONFIG_64BIT static inline __attribute_const__ __u64 __arch_swab64(__u64 x) { __asm__( @@ -50,6 +54,6 @@ static inline __attribute_const__ __u64 __arch_swab64(__u64 x) return x; } #define __arch_swab64 __arch_swab64 -#endif /* CONFIG_CPU_MIPS64_R2 */ +#endif /* CONFIG_64BIT */ #endif /* CONFIG_CPU_MIPSR2 */ #endif /* _ASM_SWAB_H */ diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h index 4000501..b70c49f 100644 --- a/arch/mips/include/asm/unistd.h +++ b/arch/mips/include/asm/unistd.h @@ -352,16 +352,18 @@ #define __NR_inotify_init1 (__NR_Linux + 329) #define __NR_preadv (__NR_Linux + 330) #define __NR_pwritev (__NR_Linux + 331) +#define __NR_rt_tgsigqueueinfo (__NR_Linux + 332) +#define __NR_perf_counter_open (__NR_Linux + 333) /* * Offset of the last Linux o32 flavoured syscall */ -#define __NR_Linux_syscalls 331 +#define __NR_Linux_syscalls 333 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ #define __NR_O32_Linux 4000 -#define __NR_O32_Linux_syscalls 331 +#define __NR_O32_Linux_syscalls 333 #if _MIPS_SIM == _MIPS_SIM_ABI64 @@ -660,16 +662,18 @@ #define __NR_inotify_init1 (__NR_Linux + 288) #define __NR_preadv (__NR_Linux + 289) #define __NR_pwritev (__NR_Linux + 290) +#define __NR_rt_tgsigqueueinfo (__NR_Linux + 291) +#define __NR_perf_counter_open (__NR_Linux + 292) /* * Offset of the last Linux 64-bit flavoured syscall */ -#define __NR_Linux_syscalls 290 +#define __NR_Linux_syscalls 292 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */ #define __NR_64_Linux 5000 -#define __NR_64_Linux_syscalls 290 +#define __NR_64_Linux_syscalls 292 #if _MIPS_SIM == _MIPS_SIM_NABI32 @@ -972,16 +976,18 @@ #define __NR_inotify_init1 (__NR_Linux + 292) #define __NR_preadv (__NR_Linux + 293) #define __NR_pwritev (__NR_Linux + 294) +#define __NR_rt_tgsigqueueinfo (__NR_Linux + 295) +#define __NR_perf_counter_open (__NR_Linux + 296) /* * Offset of the last N32 flavoured syscall */ -#define __NR_Linux_syscalls 294 +#define __NR_Linux_syscalls 296 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */ #define __NR_N32_Linux 6000 -#define __NR_N32_Linux_syscalls 294 +#define __NR_N32_Linux_syscalls 296 #ifdef __KERNEL__ diff --git a/arch/mips/include/asm/vr41xx/capcella.h b/arch/mips/include/asm/vr41xx/capcella.h index e0ee05a..fcc6569 100644 --- a/arch/mips/include/asm/vr41xx/capcella.h +++ b/arch/mips/include/asm/vr41xx/capcella.h @@ -1,7 +1,7 @@ /* * capcella.h, Include file for ZAO Networks Capcella. * - * Copyright (C) 2002-2004 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2002-2004 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/include/asm/vr41xx/giu.h b/arch/mips/include/asm/vr41xx/giu.h index 0bcdd3a..6a90bc1 100644 --- a/arch/mips/include/asm/vr41xx/giu.h +++ b/arch/mips/include/asm/vr41xx/giu.h @@ -1,7 +1,7 @@ /* * Include file for NEC VR4100 series General-purpose I/O Unit. * - * Copyright (C) 2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2005-2009 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -41,7 +41,8 @@ typedef enum { IRQ_SIGNAL_HOLD, } irq_signal_t; -extern void vr41xx_set_irq_trigger(unsigned int pin, irq_trigger_t trigger, irq_signal_t signal); +extern void vr41xx_set_irq_trigger(unsigned int pin, irq_trigger_t trigger, + irq_signal_t signal); typedef enum { IRQ_LEVEL_LOW, @@ -51,23 +52,6 @@ typedef enum { extern void vr41xx_set_irq_level(unsigned int pin, irq_level_t level); typedef enum { - GPIO_DATA_LOW, - GPIO_DATA_HIGH, - GPIO_DATA_INVAL, -} gpio_data_t; - -extern gpio_data_t vr41xx_gpio_get_pin(unsigned int pin); -extern int vr41xx_gpio_set_pin(unsigned int pin, gpio_data_t data); - -typedef enum { - GPIO_INPUT, - GPIO_OUTPUT, - GPIO_OUTPUT_DISABLE, -} gpio_direction_t; - -extern int vr41xx_gpio_set_direction(unsigned int pin, gpio_direction_t dir); - -typedef enum { GPIO_PULL_DOWN, GPIO_PULL_UP, GPIO_PULL_DISABLE, diff --git a/arch/mips/include/asm/vr41xx/irq.h b/arch/mips/include/asm/vr41xx/irq.h index d315dfb..b07f732 100644 --- a/arch/mips/include/asm/vr41xx/irq.h +++ b/arch/mips/include/asm/vr41xx/irq.h @@ -7,7 +7,7 @@ * Copyright (C) 2001, 2002 Paul Mundt * Copyright (C) 2002 MontaVista Software, Inc. * Copyright (C) 2002 TimeSys Corp. - * Copyright (C) 2003-2006 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2003-2006 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/arch/mips/include/asm/vr41xx/mpc30x.h b/arch/mips/include/asm/vr41xx/mpc30x.h index 1d67df8..130d09d 100644 --- a/arch/mips/include/asm/vr41xx/mpc30x.h +++ b/arch/mips/include/asm/vr41xx/mpc30x.h @@ -1,7 +1,7 @@ /* * mpc30x.h, Include file for Victor MP-C303/304. * - * Copyright (C) 2002-2004 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2002-2004 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/include/asm/vr41xx/pci.h b/arch/mips/include/asm/vr41xx/pci.h index 6fc01ce..c231a3d 100644 --- a/arch/mips/include/asm/vr41xx/pci.h +++ b/arch/mips/include/asm/vr41xx/pci.h @@ -1,7 +1,7 @@ /* * Include file for NEC VR4100 series PCI Control Unit. * - * Copyright (C) 2004-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2004-2005 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/include/asm/vr41xx/siu.h b/arch/mips/include/asm/vr41xx/siu.h index da9f6e3..ca806bc 100644 --- a/arch/mips/include/asm/vr41xx/siu.h +++ b/arch/mips/include/asm/vr41xx/siu.h @@ -1,7 +1,7 @@ /* * Include file for NEC VR4100 series Serial Interface Unit. * - * Copyright (C) 2005-2008 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2005-2008 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/include/asm/vr41xx/tb0219.h b/arch/mips/include/asm/vr41xx/tb0219.h index dc981b4..c78e824 100644 --- a/arch/mips/include/asm/vr41xx/tb0219.h +++ b/arch/mips/include/asm/vr41xx/tb0219.h @@ -1,7 +1,7 @@ /* * tb0219.h, Include file for TANBAC TB0219. * - * Copyright (C) 2002-2004 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2002-2004 Yoichi Yuasa <yuasa@linux-mips.org> * * Modified for TANBAC TB0219: * Copyright (C) 2003 Megasolution Inc. <matsu@megasolution.jp> diff --git a/arch/mips/include/asm/vr41xx/tb0226.h b/arch/mips/include/asm/vr41xx/tb0226.h index de527dc..36f5f79 100644 --- a/arch/mips/include/asm/vr41xx/tb0226.h +++ b/arch/mips/include/asm/vr41xx/tb0226.h @@ -1,7 +1,7 @@ /* * tb0226.h, Include file for TANBAC TB0226. * - * Copyright (C) 2002-2004 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2002-2004 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/include/asm/vr41xx/vr41xx.h b/arch/mips/include/asm/vr41xx/vr41xx.h index 22be649..7b96a43 100644 --- a/arch/mips/include/asm/vr41xx/vr41xx.h +++ b/arch/mips/include/asm/vr41xx/vr41xx.h @@ -7,7 +7,7 @@ * Copyright (C) 2001, 2002 Paul Mundt * Copyright (C) 2002 MontaVista Software, Inc. * Copyright (C) 2002 TimeSys Corp. - * Copyright (C) 2003-2008 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2003-2008 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/arch/mips/kernel/binfmt_elfo32.c b/arch/mips/kernel/binfmt_elfo32.c index e1333d7..ff44823 100644 --- a/arch/mips/kernel/binfmt_elfo32.c +++ b/arch/mips/kernel/binfmt_elfo32.c @@ -53,6 +53,23 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; #define ELF_ET_DYN_BASE (TASK32_SIZE / 3 * 2) #include <asm/processor.h> + +/* + * When this file is selected, we are definitely running a 64bit kernel. + * So using the right regs define in asm/reg.h + */ +#define WANT_COMPAT_REG_H + +/* These MUST be defined before elf.h gets included */ +extern void elf32_core_copy_regs(elf_gregset_t grp, struct pt_regs *regs); +#define ELF_CORE_COPY_REGS(_dest, _regs) elf32_core_copy_regs(_dest, _regs); +#define ELF_CORE_COPY_TASK_REGS(_tsk, _dest) \ +({ \ + int __res = 1; \ + elf32_core_copy_regs(*(_dest), task_pt_regs(_tsk)); \ + __res; \ +}) + #include <linux/module.h> #include <linux/elfcore.h> #include <linux/compat.h> @@ -110,9 +127,6 @@ jiffies_to_compat_timeval(unsigned long jiffies, struct compat_timeval *value) value->tv_usec = rem / NSEC_PER_USEC; } -#undef ELF_CORE_COPY_REGS -#define ELF_CORE_COPY_REGS(_dest, _regs) elf32_core_copy_regs(_dest, _regs); - void elf32_core_copy_regs(elf_gregset_t grp, struct pt_regs *regs) { int i; diff --git a/arch/mips/kernel/cevt-ds1287.c b/arch/mips/kernel/cevt-ds1287.c index 1ada45e..6996da4 100644 --- a/arch/mips/kernel/cevt-ds1287.c +++ b/arch/mips/kernel/cevt-ds1287.c @@ -1,7 +1,7 @@ /* * DS1287 clockevent driver * - * Copyright (C) 2008 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2008 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/kernel/cevt-gt641xx.c b/arch/mips/kernel/cevt-gt641xx.c index e9b787f..92351e0 100644 --- a/arch/mips/kernel/cevt-gt641xx.c +++ b/arch/mips/kernel/cevt-gt641xx.c @@ -1,7 +1,7 @@ /* * GT641xx clockevent routines. * - * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/kernel/csrc-ioasic.c b/arch/mips/kernel/csrc-ioasic.c index b551f48..23da108 100644 --- a/arch/mips/kernel/csrc-ioasic.c +++ b/arch/mips/kernel/csrc-ioasic.c @@ -1,7 +1,7 @@ /* * DEC I/O ASIC's counter clocksource * - * Copyright (C) 2008 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2008 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/kernel/irq-gic.c b/arch/mips/kernel/irq-gic.c index 39000f1..d2072cd 100644 --- a/arch/mips/kernel/irq-gic.c +++ b/arch/mips/kernel/irq-gic.c @@ -107,9 +107,7 @@ static unsigned int gic_irq_startup(unsigned int irq) { pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); irq -= _irqbase; - /* FIXME: this is wrong for !GICISWORDLITTLEENDIAN */ - GICWRITE(GIC_REG_ADDR(SHARED, (GIC_SH_SMASK_31_0_OFS + (irq / 32))), - 1 << (irq % 32)); + GIC_SET_INTR_MASK(irq, 1); return 0; } @@ -120,8 +118,7 @@ static void gic_irq_ack(unsigned int irq) #endif pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); irq -= _irqbase; - GICWRITE(GIC_REG_ADDR(SHARED, (GIC_SH_RMASK_31_0_OFS + (irq / 32))), - 1 << (irq % 32)); + GIC_CLR_INTR_MASK(irq, 1); if (_intrmap[irq].trigtype == GIC_TRIG_EDGE) { if (!gic_wedgeb2bok) @@ -138,18 +135,14 @@ static void gic_mask_irq(unsigned int irq) { pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); irq -= _irqbase; - /* FIXME: this is wrong for !GICISWORDLITTLEENDIAN */ - GICWRITE(GIC_REG_ADDR(SHARED, (GIC_SH_RMASK_31_0_OFS + (irq / 32))), - 1 << (irq % 32)); + GIC_CLR_INTR_MASK(irq, 1); } static void gic_unmask_irq(unsigned int irq) { pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); irq -= _irqbase; - /* FIXME: this is wrong for !GICISWORDLITTLEENDIAN */ - GICWRITE(GIC_REG_ADDR(SHARED, (GIC_SH_SMASK_31_0_OFS + (irq / 32))), - 1 << (irq % 32)); + GIC_SET_INTR_MASK(irq, 1); } #ifdef CONFIG_SMP @@ -254,6 +247,10 @@ static void __init gic_basic_init(void) if (cpu == X) continue; + if (cpu == 0 && i != 0 && _intrmap[i].intrnum == 0 && + _intrmap[i].ipiflag == 0) + continue; + setup_intr(_intrmap[i].intrnum, _intrmap[i].cpunum, _intrmap[i].pin, diff --git a/arch/mips/kernel/irq-gt641xx.c b/arch/mips/kernel/irq-gt641xx.c index 1b81b13..ebcc5f7 100644 --- a/arch/mips/kernel/irq-gt641xx.c +++ b/arch/mips/kernel/irq-gt641xx.c @@ -1,7 +1,7 @@ /* * GT641xx IRQ routines. * - * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index 0b31b9b..20a86e0 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -652,6 +652,8 @@ einval: li v0, -ENOSYS sys sys_inotify_init1 1 sys sys_preadv 6 /* 4330 */ sys sys_pwritev 6 + sys sys_rt_tgsigqueueinfo 4 + sys sys_perf_counter_open 5 .endm /* We pre-compute the number of _instruction_ bytes needed to diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index c647fd6..b046130 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -489,4 +489,6 @@ sys_call_table: PTR sys_inotify_init1 PTR sys_preadv PTR sys_pwritev /* 5390 */ + PTR sys_rt_tgsigqueueinfo + PTR sys_perf_counter_open .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 93cc672..15874f9 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -415,4 +415,6 @@ EXPORT(sysn32_call_table) PTR sys_inotify_init1 PTR sys_preadv PTR sys_pwritev + PTR compat_sys_rt_tgsigqueueinfo /* 5295 */ + PTR sys_perf_counter_open .size sysn32_call_table,.-sysn32_call_table diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index a5598b2..781e0f1 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -535,4 +535,6 @@ sys_call_table: PTR sys_inotify_init1 PTR compat_sys_preadv /* 4330 */ PTR compat_sys_pwritev + PTR compat_sys_rt_tgsigqueueinfo + PTR sys_perf_counter_open .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/smp-cmp.c b/arch/mips/kernel/smp-cmp.c index 653be06..ad0ff5d 100644 --- a/arch/mips/kernel/smp-cmp.c +++ b/arch/mips/kernel/smp-cmp.c @@ -37,80 +37,24 @@ #include <asm/mipsregs.h> #include <asm/mipsmtregs.h> #include <asm/mips_mt.h> - -/* - * Crude manipulation of the CPU masks to control which - * which CPU's are brought online during initialisation - * - * Beware... this needs to be called after CPU discovery - * but before CPU bringup - */ -static int __init allowcpus(char *str) -{ - cpumask_t cpu_allow_map; - char buf[256]; - int len; - - cpus_clear(cpu_allow_map); - if (cpulist_parse(str, &cpu_allow_map) == 0) { - cpu_set(0, cpu_allow_map); - cpus_and(cpu_possible_map, cpu_possible_map, cpu_allow_map); - len = cpulist_scnprintf(buf, sizeof(buf)-1, &cpu_possible_map); - buf[len] = '\0'; - pr_debug("Allowable CPUs: %s\n", buf); - return 1; - } else - return 0; -} -__setup("allowcpus=", allowcpus); +#include <asm/amon.h> +#include <asm/gic.h> static void ipi_call_function(unsigned int cpu) { - unsigned int action = 0; - pr_debug("CPU%d: %s cpu %d status %08x\n", smp_processor_id(), __func__, cpu, read_c0_status()); - switch (cpu) { - case 0: - action = GIC_IPI_EXT_INTR_CALLFNC_VPE0; - break; - case 1: - action = GIC_IPI_EXT_INTR_CALLFNC_VPE1; - break; - case 2: - action = GIC_IPI_EXT_INTR_CALLFNC_VPE2; - break; - case 3: - action = GIC_IPI_EXT_INTR_CALLFNC_VPE3; - break; - } - gic_send_ipi(action); + gic_send_ipi(plat_ipi_call_int_xlate(cpu)); } static void ipi_resched(unsigned int cpu) { - unsigned int action = 0; - pr_debug("CPU%d: %s cpu %d status %08x\n", smp_processor_id(), __func__, cpu, read_c0_status()); - switch (cpu) { - case 0: - action = GIC_IPI_EXT_INTR_RESCHED_VPE0; - break; - case 1: - action = GIC_IPI_EXT_INTR_RESCHED_VPE1; - break; - case 2: - action = GIC_IPI_EXT_INTR_RESCHED_VPE2; - break; - case 3: - action = GIC_IPI_EXT_INTR_RESCHED_VPE3; - break; - } - gic_send_ipi(action); + gic_send_ipi(plat_ipi_resched_int_xlate(cpu)); } /* @@ -206,7 +150,7 @@ static void cmp_boot_secondary(int cpu, struct task_struct *idle) (unsigned long)(gp + sizeof(struct thread_info))); #endif - amon_cpu_start(cpu, pc, sp, gp, a0); + amon_cpu_start(cpu, pc, sp, (unsigned long)gp, a0); } /* diff --git a/arch/mips/kernel/sync-r4k.c b/arch/mips/kernel/sync-r4k.c index 9021108..05dd170 100644 --- a/arch/mips/kernel/sync-r4k.c +++ b/arch/mips/kernel/sync-r4k.c @@ -1,7 +1,7 @@ /* * Count register synchronisation. * - * All CPUs will have their count registers synchronised to the CPU0 expirelo + * All CPUs will have their count registers synchronised to the CPU0 next time * value. This can cause a small timewarp for CPU0. All other CPU's should * not have done anything significant (but they may have had interrupts * enabled briefly - prom_smp_finish() should not be responsible for enabling @@ -13,21 +13,22 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/irqflags.h> -#include <linux/r4k-timer.h> +#include <linux/cpumask.h> +#include <asm/r4k-timer.h> #include <asm/atomic.h> #include <asm/barrier.h> -#include <asm/cpumask.h> #include <asm/mipsregs.h> -static atomic_t __initdata count_start_flag = ATOMIC_INIT(0); -static atomic_t __initdata count_count_start = ATOMIC_INIT(0); -static atomic_t __initdata count_count_stop = ATOMIC_INIT(0); +static atomic_t __cpuinitdata count_start_flag = ATOMIC_INIT(0); +static atomic_t __cpuinitdata count_count_start = ATOMIC_INIT(0); +static atomic_t __cpuinitdata count_count_stop = ATOMIC_INIT(0); +static atomic_t __cpuinitdata count_reference = ATOMIC_INIT(0); #define COUNTON 100 #define NR_LOOPS 5 -void __init synchronise_count_master(void) +void __cpuinit synchronise_count_master(void) { int i; unsigned long flags; @@ -42,19 +43,20 @@ void __init synchronise_count_master(void) return; #endif - pr_info("Checking COUNT synchronization across %u CPUs: ", - num_online_cpus()); + printk(KERN_INFO "Synchronize counters across %u CPUs: ", + num_online_cpus()); local_irq_save(flags); /* * Notify the slaves that it's time to start */ + atomic_set(&count_reference, read_c0_count()); atomic_set(&count_start_flag, 1); smp_wmb(); - /* Count will be initialised to expirelo for all CPU's */ - initcount = expirelo; + /* Count will be initialised to current timer for all CPU's */ + initcount = read_c0_count(); /* * We loop a few times to get a primed instruction cache, @@ -106,7 +108,7 @@ void __init synchronise_count_master(void) printk("done.\n"); } -void __init synchronise_count_slave(void) +void __cpuinit synchronise_count_slave(void) { int i; unsigned long flags; @@ -131,8 +133,8 @@ void __init synchronise_count_slave(void) while (!atomic_read(&count_start_flag)) mb(); - /* Count will be initialised to expirelo for all CPU's */ - initcount = expirelo; + /* Count will be initialised to next expire for all CPU's */ + initcount = atomic_read(&count_reference); ncpus = num_online_cpus(); for (i = 0; i < NR_LOOPS; i++) { @@ -156,4 +158,3 @@ void __init synchronise_count_slave(void) local_irq_restore(flags); } #undef NR_LOOPS -#endif diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c index 3ca5f42..07b9ec2 100644 --- a/arch/mips/kernel/vpe.c +++ b/arch/mips/kernel/vpe.c @@ -1387,7 +1387,7 @@ static ssize_t store_ntcs(struct device *dev, struct device_attribute *attr, return len; out_einval: - return -EINVAL;; + return -EINVAL; } static struct device_attribute vpe_class_attributes[] = { diff --git a/arch/mips/mti-malta/malta-init.c b/arch/mips/mti-malta/malta-init.c index 475038a..27c807b6 100644 --- a/arch/mips/mti-malta/malta-init.c +++ b/arch/mips/mti-malta/malta-init.c @@ -30,6 +30,7 @@ #include <asm/cacheflush.h> #include <asm/traps.h> +#include <asm/gcmpregs.h> #include <asm/mips-boards/prom.h> #include <asm/mips-boards/generic.h> #include <asm/mips-boards/bonito64.h> @@ -192,6 +193,8 @@ extern struct plat_smp_ops msmtc_smp_ops; void __init prom_init(void) { + int result; + prom_argc = fw_arg0; _prom_argv = (int *) fw_arg1; _prom_envp = (int *) fw_arg2; @@ -358,12 +361,21 @@ void __init prom_init(void) #ifdef CONFIG_SERIAL_8250_CONSOLE console_config(); #endif + /* Early detection of CMP support */ + result = gcmp_probe(GCMP_BASE_ADDR, GCMP_ADDRSPACE_SZ); + #ifdef CONFIG_MIPS_CMP - register_smp_ops(&cmp_smp_ops); + if (result) + register_smp_ops(&cmp_smp_ops); #endif #ifdef CONFIG_MIPS_MT_SMP +#ifdef CONFIG_MIPS_CMP + if (!result) + register_smp_ops(&vsmp_smp_ops); +#else register_smp_ops(&vsmp_smp_ops); #endif +#endif #ifdef CONFIG_MIPS_MT_SMTC register_smp_ops(&msmtc_smp_ops); #endif diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c index b4eaf13..a8756f8 100644 --- a/arch/mips/mti-malta/malta-int.c +++ b/arch/mips/mti-malta/malta-int.c @@ -331,6 +331,21 @@ static struct irqaction irq_call = { .flags = IRQF_DISABLED|IRQF_PERCPU, .name = "IPI_call" }; + +static int gic_resched_int_base; +static int gic_call_int_base; +#define GIC_RESCHED_INT(cpu) (gic_resched_int_base+(cpu)) +#define GIC_CALL_INT(cpu) (gic_call_int_base+(cpu)) + +unsigned int plat_ipi_call_int_xlate(unsigned int cpu) +{ + return GIC_CALL_INT(cpu); +} + +unsigned int plat_ipi_resched_int_xlate(unsigned int cpu) +{ + return GIC_RESCHED_INT(cpu); +} #endif /* CONFIG_MIPS_MT_SMP */ static struct irqaction i8259irq = { @@ -370,7 +385,7 @@ static int __initdata msc_nr_eicirqs = ARRAY_SIZE(msc_eicirqmap); * Interrupts and CPUs/Core Interrupts. The nature of the External * Interrupts is also defined here - polarity/trigger. */ -static struct gic_intr_map gic_intr_map[] = { +static struct gic_intr_map gic_intr_map[GIC_NUM_INTRS] = { { GIC_EXT_INTR(0), X, X, X, X, 0 }, { GIC_EXT_INTR(1), X, X, X, X, 0 }, { GIC_EXT_INTR(2), X, X, X, X, 0 }, @@ -387,21 +402,14 @@ static struct gic_intr_map gic_intr_map[] = { { GIC_EXT_INTR(13), 0, GIC_MAP_TO_NMI_MSK, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, { GIC_EXT_INTR(14), 0, GIC_MAP_TO_NMI_MSK, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, { GIC_EXT_INTR(15), X, X, X, X, 0 }, - { GIC_EXT_INTR(16), 0, GIC_CPU_INT1, GIC_POL_POS, GIC_TRIG_EDGE, 1 }, - { GIC_EXT_INTR(17), 0, GIC_CPU_INT2, GIC_POL_POS, GIC_TRIG_EDGE, 1 }, - { GIC_EXT_INTR(18), 1, GIC_CPU_INT1, GIC_POL_POS, GIC_TRIG_EDGE, 1 }, - { GIC_EXT_INTR(19), 1, GIC_CPU_INT2, GIC_POL_POS, GIC_TRIG_EDGE, 1 }, - { GIC_EXT_INTR(20), 2, GIC_CPU_INT1, GIC_POL_POS, GIC_TRIG_EDGE, 1 }, - { GIC_EXT_INTR(21), 2, GIC_CPU_INT2, GIC_POL_POS, GIC_TRIG_EDGE, 1 }, - { GIC_EXT_INTR(22), 3, GIC_CPU_INT1, GIC_POL_POS, GIC_TRIG_EDGE, 1 }, - { GIC_EXT_INTR(23), 3, GIC_CPU_INT2, GIC_POL_POS, GIC_TRIG_EDGE, 1 }, +/* This is the end of the general interrupts now we do IPI ones */ }; #endif /* * GCMP needs to be detected before any SMP initialisation */ -static int __init gcmp_probe(unsigned long addr, unsigned long size) +int __init gcmp_probe(unsigned long addr, unsigned long size) { if (gcmp_present >= 0) return gcmp_present; @@ -416,28 +424,36 @@ static int __init gcmp_probe(unsigned long addr, unsigned long size) } #if defined(CONFIG_MIPS_MT_SMP) +static void __init fill_ipi_map1(int baseintr, int cpu, int cpupin) +{ + int intr = baseintr + cpu; + gic_intr_map[intr].intrnum = GIC_EXT_INTR(intr); + gic_intr_map[intr].cpunum = cpu; + gic_intr_map[intr].pin = cpupin; + gic_intr_map[intr].polarity = GIC_POL_POS; + gic_intr_map[intr].trigtype = GIC_TRIG_EDGE; + gic_intr_map[intr].ipiflag = 1; + ipi_map[cpu] |= (1 << (cpupin + 2)); +} + static void __init fill_ipi_map(void) { - int i; + int cpu; - for (i = 0; i < ARRAY_SIZE(gic_intr_map); i++) { - if (gic_intr_map[i].ipiflag && (gic_intr_map[i].cpunum != X)) - ipi_map[gic_intr_map[i].cpunum] |= - (1 << (gic_intr_map[i].pin + 2)); + for (cpu = 0; cpu < NR_CPUS; cpu++) { + fill_ipi_map1(gic_resched_int_base, cpu, GIC_CPU_INT1); + fill_ipi_map1(gic_call_int_base, cpu, GIC_CPU_INT2); } } #endif void __init arch_init_irq(void) { - int gic_present, gcmp_present; - init_i8259_irqs(); if (!cpu_has_veic) mips_cpu_irq_init(); - gcmp_present = gcmp_probe(GCMP_BASE_ADDR, GCMP_ADDRSPACE_SZ); if (gcmp_present) { GCMPGCB(GICBA) = GIC_BASE_ADDR | GCMP_GCB_GICBA_EN_MSK; gic_present = 1; @@ -514,24 +530,10 @@ void __init arch_init_irq(void) if (gic_present) { /* FIXME */ int i; - struct { - unsigned int resched; - unsigned int call; - } ipiirq[] = { - { - .resched = GIC_IPI_EXT_INTR_RESCHED_VPE0, - .call = GIC_IPI_EXT_INTR_CALLFNC_VPE0}, - { - .resched = GIC_IPI_EXT_INTR_RESCHED_VPE1, - .call = GIC_IPI_EXT_INTR_CALLFNC_VPE1 - }, { - .resched = GIC_IPI_EXT_INTR_RESCHED_VPE2, - .call = GIC_IPI_EXT_INTR_CALLFNC_VPE2 - }, { - .resched = GIC_IPI_EXT_INTR_RESCHED_VPE3, - .call = GIC_IPI_EXT_INTR_CALLFNC_VPE3 - } - }; + + gic_call_int_base = GIC_NUM_INTRS - NR_CPUS; + gic_resched_int_base = gic_call_int_base - NR_CPUS; + fill_ipi_map(); gic_init(GIC_BASE_ADDR, GIC_ADDRSPACE_SZ, gic_intr_map, ARRAY_SIZE(gic_intr_map), MIPS_GIC_IRQ_BASE); if (!gcmp_present) { @@ -553,12 +555,15 @@ void __init arch_init_irq(void) printk("CPU%d: status register now %08x\n", smp_processor_id(), read_c0_status()); write_c0_status(0x1100dc00); printk("CPU%d: status register frc %08x\n", smp_processor_id(), read_c0_status()); - for (i = 0; i < ARRAY_SIZE(ipiirq); i++) { - setup_irq(MIPS_GIC_IRQ_BASE + ipiirq[i].resched, &irq_resched); - setup_irq(MIPS_GIC_IRQ_BASE + ipiirq[i].call, &irq_call); - - set_irq_handler(MIPS_GIC_IRQ_BASE + ipiirq[i].resched, handle_percpu_irq); - set_irq_handler(MIPS_GIC_IRQ_BASE + ipiirq[i].call, handle_percpu_irq); + for (i = 0; i < NR_CPUS; i++) { + setup_irq(MIPS_GIC_IRQ_BASE + + GIC_RESCHED_INT(i), &irq_resched); + setup_irq(MIPS_GIC_IRQ_BASE + + GIC_CALL_INT(i), &irq_call); + set_irq_handler(MIPS_GIC_IRQ_BASE + + GIC_RESCHED_INT(i), handle_percpu_irq); + set_irq_handler(MIPS_GIC_IRQ_BASE + + GIC_CALL_INT(i), handle_percpu_irq); } } else { /* set up ipi interrupts */ diff --git a/arch/mips/mti-malta/malta-reset.c b/arch/mips/mti-malta/malta-reset.c index 42dee4d..f48d60e 100644 --- a/arch/mips/mti-malta/malta-reset.c +++ b/arch/mips/mti-malta/malta-reset.c @@ -28,9 +28,6 @@ #include <asm/reboot.h> #include <asm/mips-boards/generic.h> -static void mips_machine_restart(char *command); -static void mips_machine_halt(void); - static void mips_machine_restart(char *command) { unsigned int __iomem *softres_reg = diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile index e8a97f5..63d8a29 100644 --- a/arch/mips/pci/Makefile +++ b/arch/mips/pci/Makefile @@ -52,3 +52,8 @@ obj-$(CONFIG_VICTOR_MPC30X) += fixup-mpc30x.o obj-$(CONFIG_ZAO_CAPCELLA) += fixup-capcella.o obj-$(CONFIG_WR_PPMC) += fixup-wrppmc.o obj-$(CONFIG_MIKROTIK_RB532) += pci-rc32434.o ops-rc32434.o fixup-rc32434.o +obj-$(CONFIG_CPU_CAVIUM_OCTEON) += pci-octeon.o pcie-octeon.o + +ifdef CONFIG_PCI_MSI +obj-$(CONFIG_CPU_CAVIUM_OCTEON) += msi-octeon.o +endif diff --git a/arch/mips/pci/fixup-capcella.c b/arch/mips/pci/fixup-capcella.c index 1416bca..1c02f57 100644 --- a/arch/mips/pci/fixup-capcella.c +++ b/arch/mips/pci/fixup-capcella.c @@ -1,7 +1,7 @@ /* * fixup-cappcela.c, The ZAO Networks Capcella specific PCI fixups. * - * Copyright (C) 2002,2004 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2002,2004 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/pci/fixup-mpc30x.c b/arch/mips/pci/fixup-mpc30x.c index 5911596..e08f49c 100644 --- a/arch/mips/pci/fixup-mpc30x.c +++ b/arch/mips/pci/fixup-mpc30x.c @@ -1,7 +1,7 @@ /* * fixup-mpc30x.c, The Victor MP-C303/304 specific PCI fixups. * - * Copyright (C) 2002,2004 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2002,2004 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/pci/fixup-tb0219.c b/arch/mips/pci/fixup-tb0219.c index ed87733..8084b17 100644 --- a/arch/mips/pci/fixup-tb0219.c +++ b/arch/mips/pci/fixup-tb0219.c @@ -2,7 +2,7 @@ * fixup-tb0219.c, The TANBAC TB0219 specific PCI fixups. * * Copyright (C) 2003 Megasolution Inc. <matsu@megasolution.jp> - * Copyright (C) 2004-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2004-2005 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/pci/fixup-tb0226.c b/arch/mips/pci/fixup-tb0226.c index e3eedf4..4196ccf 100644 --- a/arch/mips/pci/fixup-tb0226.c +++ b/arch/mips/pci/fixup-tb0226.c @@ -1,7 +1,7 @@ /* * fixup-tb0226.c, The TANBAC TB0226 specific PCI fixups. * - * Copyright (C) 2002-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2002-2005 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/pci/fixup-tb0287.c b/arch/mips/pci/fixup-tb0287.c index 267ab3d..2fe29db 100644 --- a/arch/mips/pci/fixup-tb0287.c +++ b/arch/mips/pci/fixup-tb0287.c @@ -1,7 +1,7 @@ /* * fixup-tb0287.c, The TANBAC TB0287 specific PCI fixups. * - * Copyright (C) 2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2005 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/cavium-octeon/msi.c b/arch/mips/pci/msi-octeon.c index 964b03b..03742e6 100644 --- a/arch/mips/cavium-octeon/msi.c +++ b/arch/mips/pci/msi-octeon.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2005-2007 Cavium Networks + * Copyright (C) 2005-2009 Cavium Networks */ #include <linux/kernel.h> #include <linux/init.h> @@ -16,8 +16,7 @@ #include <asm/octeon/cvmx-pci-defs.h> #include <asm/octeon/cvmx-npei-defs.h> #include <asm/octeon/cvmx-pexp-defs.h> - -#include "pci-common.h" +#include <asm/octeon/pci-octeon.h> /* * Each bit in msi_free_irq_bitmask represents a MSI interrupt that is @@ -47,8 +46,8 @@ static DEFINE_SPINLOCK(msi_free_irq_bitmask_lock); * programming the MSI control bits [6:4] before calling * pci_enable_msi(). * - * @param dev Device requesting MSI interrupts - * @param desc MSI descriptor + * @dev: Device requesting MSI interrupts + * @desc: MSI descriptor * * Returns 0 on success. */ @@ -213,14 +212,9 @@ void arch_teardown_msi_irq(unsigned int irq) } -/** +/* * Called by the interrupt handling code when an MSI interrupt * occurs. - * - * @param cpl - * @param dev_id - * - * @return */ static irqreturn_t octeon_msi_interrupt(int cpl, void *dev_id) { @@ -256,31 +250,37 @@ static irqreturn_t octeon_msi_interrupt(int cpl, void *dev_id) } -/** +/* * Initializes the MSI interrupt handling code - * - * @return */ int octeon_msi_initialize(void) { - int r; if (octeon_has_feature(OCTEON_FEATURE_PCIE)) { - r = request_irq(OCTEON_IRQ_PCI_MSI0, octeon_msi_interrupt, + if (request_irq(OCTEON_IRQ_PCI_MSI0, octeon_msi_interrupt, IRQF_SHARED, - "MSI[0:63]", octeon_msi_interrupt); + "MSI[0:63]", octeon_msi_interrupt)) + panic("request_irq(OCTEON_IRQ_PCI_MSI0) failed"); } else if (octeon_is_pci_host()) { - r = request_irq(OCTEON_IRQ_PCI_MSI0, octeon_msi_interrupt, + if (request_irq(OCTEON_IRQ_PCI_MSI0, octeon_msi_interrupt, IRQF_SHARED, - "MSI[0:15]", octeon_msi_interrupt); - r += request_irq(OCTEON_IRQ_PCI_MSI1, octeon_msi_interrupt, - IRQF_SHARED, - "MSI[16:31]", octeon_msi_interrupt); - r += request_irq(OCTEON_IRQ_PCI_MSI2, octeon_msi_interrupt, - IRQF_SHARED, - "MSI[32:47]", octeon_msi_interrupt); - r += request_irq(OCTEON_IRQ_PCI_MSI3, octeon_msi_interrupt, - IRQF_SHARED, - "MSI[48:63]", octeon_msi_interrupt); + "MSI[0:15]", octeon_msi_interrupt)) + panic("request_irq(OCTEON_IRQ_PCI_MSI0) failed"); + + if (request_irq(OCTEON_IRQ_PCI_MSI1, octeon_msi_interrupt, + IRQF_SHARED, + "MSI[16:31]", octeon_msi_interrupt)) + panic("request_irq(OCTEON_IRQ_PCI_MSI1) failed"); + + if (request_irq(OCTEON_IRQ_PCI_MSI2, octeon_msi_interrupt, + IRQF_SHARED, + "MSI[32:47]", octeon_msi_interrupt)) + panic("request_irq(OCTEON_IRQ_PCI_MSI2) failed"); + + if (request_irq(OCTEON_IRQ_PCI_MSI3, octeon_msi_interrupt, + IRQF_SHARED, + "MSI[48:63]", octeon_msi_interrupt)) + panic("request_irq(OCTEON_IRQ_PCI_MSI3) failed"); + } return 0; } diff --git a/arch/mips/pci/ops-vr41xx.c b/arch/mips/pci/ops-vr41xx.c index 900c6b3..28962a7 100644 --- a/arch/mips/pci/ops-vr41xx.c +++ b/arch/mips/pci/ops-vr41xx.c @@ -2,8 +2,8 @@ * ops-vr41xx.c, PCI configuration routines for the PCIU of NEC VR4100 series. * * Copyright (C) 2001-2003 MontaVista Software Inc. - * Author: Yoichi Yuasa <yyuasa@mvista.com or source@mvista.com> - * Copyright (C) 2004-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Author: Yoichi Yuasa <source@mvista.com> + * Copyright (C) 2004-2005 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -21,7 +21,7 @@ */ /* * Changes: - * MontaVista Software Inc. <yyuasa@mvista.com> or <source@mvista.com> + * MontaVista Software Inc. <source@mvista.com> * - New creation, NEC VR4122 and VR4131 are supported. */ #include <linux/pci.h> diff --git a/arch/mips/cavium-octeon/pci.c b/arch/mips/pci/pci-octeon.c index 67c0ff5..9cb0c80 100644 --- a/arch/mips/cavium-octeon/pci.c +++ b/arch/mips/pci/pci-octeon.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2005-2007 Cavium Networks + * Copyright (C) 2005-2009 Cavium Networks */ #include <linux/kernel.h> #include <linux/init.h> @@ -17,8 +17,7 @@ #include <asm/octeon/octeon.h> #include <asm/octeon/cvmx-npi-defs.h> #include <asm/octeon/cvmx-pci-defs.h> - -#include "pci-common.h" +#include <asm/octeon/pci-octeon.h> #define USE_OCTEON_INTERNAL_ARBITER @@ -54,6 +53,126 @@ union octeon_pci_address { } s; }; +int __initdata (*octeon_pcibios_map_irq)(const struct pci_dev *dev, + u8 slot, u8 pin); +enum octeon_dma_bar_type octeon_dma_bar_type = OCTEON_DMA_BAR_TYPE_INVALID; + +/** + * Map a PCI device to the appropriate interrupt line + * + * @dev: The Linux PCI device structure for the device to map + * @slot: The slot number for this device on __BUS 0__. Linux + * enumerates through all the bridges and figures out the + * slot on Bus 0 where this device eventually hooks to. + * @pin: The PCI interrupt pin read from the device, then swizzled + * as it goes through each bridge. + * Returns Interrupt number for the device + */ +int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + if (octeon_pcibios_map_irq) + return octeon_pcibios_map_irq(dev, slot, pin); + else + panic("octeon_pcibios_map_irq not set."); +} + + +/* + * Called to perform platform specific PCI setup + */ +int pcibios_plat_dev_init(struct pci_dev *dev) +{ + uint16_t config; + uint32_t dconfig; + int pos; + /* + * Force the Cache line setting to 64 bytes. The standard + * Linux bus scan doesn't seem to set it. Octeon really has + * 128 byte lines, but Intel bridges get really upset if you + * try and set values above 64 bytes. Value is specified in + * 32bit words. + */ + pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, 64 / 4); + /* Set latency timers for all devices */ + pci_write_config_byte(dev, PCI_LATENCY_TIMER, 48); + + /* Enable reporting System errors and parity errors on all devices */ + /* Enable parity checking and error reporting */ + pci_read_config_word(dev, PCI_COMMAND, &config); + config |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR; + pci_write_config_word(dev, PCI_COMMAND, config); + + if (dev->subordinate) { + /* Set latency timers on sub bridges */ + pci_write_config_byte(dev, PCI_SEC_LATENCY_TIMER, 48); + /* More bridge error detection */ + pci_read_config_word(dev, PCI_BRIDGE_CONTROL, &config); + config |= PCI_BRIDGE_CTL_PARITY | PCI_BRIDGE_CTL_SERR; + pci_write_config_word(dev, PCI_BRIDGE_CONTROL, config); + } + + /* Enable the PCIe normal error reporting */ + pos = pci_find_capability(dev, PCI_CAP_ID_EXP); + if (pos) { + /* Update Device Control */ + pci_read_config_word(dev, pos + PCI_EXP_DEVCTL, &config); + /* Correctable Error Reporting */ + config |= PCI_EXP_DEVCTL_CERE; + /* Non-Fatal Error Reporting */ + config |= PCI_EXP_DEVCTL_NFERE; + /* Fatal Error Reporting */ + config |= PCI_EXP_DEVCTL_FERE; + /* Unsupported Request */ + config |= PCI_EXP_DEVCTL_URRE; + pci_write_config_word(dev, pos + PCI_EXP_DEVCTL, config); + } + + /* Find the Advanced Error Reporting capability */ + pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR); + if (pos) { + /* Clear Uncorrectable Error Status */ + pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_STATUS, + &dconfig); + pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_STATUS, + dconfig); + /* Enable reporting of all uncorrectable errors */ + /* Uncorrectable Error Mask - turned on bits disable errors */ + pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_MASK, 0); + /* + * Leave severity at HW default. This only controls if + * errors are reported as uncorrectable or + * correctable, not if the error is reported. + */ + /* PCI_ERR_UNCOR_SEVER - Uncorrectable Error Severity */ + /* Clear Correctable Error Status */ + pci_read_config_dword(dev, pos + PCI_ERR_COR_STATUS, &dconfig); + pci_write_config_dword(dev, pos + PCI_ERR_COR_STATUS, dconfig); + /* Enable reporting of all correctable errors */ + /* Correctable Error Mask - turned on bits disable errors */ + pci_write_config_dword(dev, pos + PCI_ERR_COR_MASK, 0); + /* Advanced Error Capabilities */ + pci_read_config_dword(dev, pos + PCI_ERR_CAP, &dconfig); + /* ECRC Generation Enable */ + if (config & PCI_ERR_CAP_ECRC_GENC) + config |= PCI_ERR_CAP_ECRC_GENE; + /* ECRC Check Enable */ + if (config & PCI_ERR_CAP_ECRC_CHKC) + config |= PCI_ERR_CAP_ECRC_CHKE; + pci_write_config_dword(dev, pos + PCI_ERR_CAP, dconfig); + /* PCI_ERR_HEADER_LOG - Header Log Register (16 bytes) */ + /* Report all errors to the root complex */ + pci_write_config_dword(dev, pos + PCI_ERR_ROOT_COMMAND, + PCI_ERR_ROOT_CMD_COR_EN | + PCI_ERR_ROOT_CMD_NONFATAL_EN | + PCI_ERR_ROOT_CMD_FATAL_EN); + /* Clear the Root status register */ + pci_read_config_dword(dev, pos + PCI_ERR_ROOT_STATUS, &dconfig); + pci_write_config_dword(dev, pos + PCI_ERR_ROOT_STATUS, dconfig); + } + + return 0; +} + /** * Return the mapping of PCI device number to IRQ line. Each * character in the return string represents the interrupt @@ -136,9 +255,8 @@ int __init octeon_pci_pcibios_map_irq(const struct pci_dev *dev, } -/** +/* * Read a value from configuration space - * */ static int octeon_read_config(struct pci_bus *bus, unsigned int devfn, int reg, int size, u32 *val) @@ -174,15 +292,8 @@ static int octeon_read_config(struct pci_bus *bus, unsigned int devfn, } -/** +/* * Write a value to PCI configuration space - * - * @bus: - * @devfn: - * @reg: - * @size: - * @val: - * Returns */ static int octeon_write_config(struct pci_bus *bus, unsigned int devfn, int reg, int size, u32 val) @@ -251,10 +362,8 @@ static struct pci_controller octeon_pci_controller = { }; -/** +/* * Low level initialize the Octeon PCI controller - * - * Returns */ static void octeon_pci_initialize(void) { @@ -398,7 +507,7 @@ static void octeon_pci_initialize(void) pci_int_arb_cfg.s.en = 1; /* Internal arbiter enable */ cvmx_write_csr(CVMX_NPI_PCI_INT_ARB_CFG, pci_int_arb_cfg.u64); } -#endif /* USE_OCTEON_INTERNAL_ARBITER */ +#endif /* USE_OCTEON_INTERNAL_ARBITER */ /* * Preferrably written to 1 to set MLTD. [RDSATI,TRTAE, @@ -457,10 +566,8 @@ static void octeon_pci_initialize(void) } -/** +/* * Initialize the Octeon PCI controller - * - * Returns */ static int __init octeon_pci_setup(void) { diff --git a/arch/mips/pci/pci-vr41xx.c b/arch/mips/pci/pci-vr41xx.c index d1e049b..5652571 100644 --- a/arch/mips/pci/pci-vr41xx.c +++ b/arch/mips/pci/pci-vr41xx.c @@ -2,8 +2,8 @@ * pci-vr41xx.c, PCI Control Unit routines for the NEC VR4100 series. * * Copyright (C) 2001-2003 MontaVista Software Inc. - * Author: Yoichi Yuasa <yyuasa@mvista.com or source@mvista.com> - * Copyright (C) 2004-2008 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Author: Yoichi Yuasa <source@mvista.com> + * Copyright (C) 2004-2008 Yoichi Yuasa <yuasa@linux-mips.org> * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org) * * This program is free software; you can redistribute it and/or modify @@ -22,7 +22,7 @@ */ /* * Changes: - * MontaVista Software Inc. <yyuasa@mvista.com> or <source@mvista.com> + * MontaVista Software Inc. <source@mvista.com> * - New creation, NEC VR4122 and VR4131 are supported. */ #include <linux/init.h> diff --git a/arch/mips/pci/pci-vr41xx.h b/arch/mips/pci/pci-vr41xx.h index 8a35e32..6b1ae2e 100644 --- a/arch/mips/pci/pci-vr41xx.h +++ b/arch/mips/pci/pci-vr41xx.h @@ -2,8 +2,8 @@ * pci-vr41xx.h, Include file for PCI Control Unit of the NEC VR4100 series. * * Copyright (C) 2002 MontaVista Software Inc. - * Author: Yoichi Yuasa <yyuasa@mvista.com or source@mvista.com> - * Copyright (C) 2004-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Author: Yoichi Yuasa <source@mvista.com> + * Copyright (C) 2004-2005 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/cavium-octeon/pcie.c b/arch/mips/pci/pcie-octeon.c index 49d1408..7526224 100644 --- a/arch/mips/cavium-octeon/pcie.c +++ b/arch/mips/pci/pcie-octeon.c @@ -18,8 +18,7 @@ #include <asm/octeon/cvmx-pescx-defs.h> #include <asm/octeon/cvmx-pexp-defs.h> #include <asm/octeon/cvmx-helper-errata.h> - -#include "pci-common.h" +#include <asm/octeon/pci-octeon.h> union cvmx_pcie_address { uint64_t u64; @@ -976,13 +975,13 @@ static int cvmx_pcie_rc_initialize(int pcie_port) /** * Map a PCI device to the appropriate interrupt line * - * @param dev The Linux PCI device structure for the device to map - * @param slot The slot number for this device on __BUS 0__. Linux + * @dev: The Linux PCI device structure for the device to map + * @slot: The slot number for this device on __BUS 0__. Linux * enumerates through all the bridges and figures out the * slot on Bus 0 where this device eventually hooks to. - * @param pin The PCI interrupt pin read from the device, then swizzled + * @pin: The PCI interrupt pin read from the device, then swizzled * as it goes through each bridge. - * @return Interrupt number for the device + * Returns Interrupt number for the device */ int __init octeon_pcie_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) @@ -1025,12 +1024,12 @@ int __init octeon_pcie_pcibios_map_irq(const struct pci_dev *dev, /** * Read a value from configuration space * - * @param bus - * @param devfn - * @param reg - * @param size - * @param val - * @return + * @bus: + * @devfn: + * @reg: + * @size: + * @val: + * Returns */ static inline int octeon_pcie_read_config(int pcie_port, struct pci_bus *bus, unsigned int devfn, int reg, int size, @@ -1156,12 +1155,12 @@ static int octeon_pcie1_read_config(struct pci_bus *bus, unsigned int devfn, /** * Write a value to PCI configuration space * - * @param bus - * @param devfn - * @param reg - * @param size - * @param val - * @return + * @bus: + * @devfn: + * @reg: + * @size: + * @val: + * Returns */ static inline int octeon_pcie_write_config(int pcie_port, struct pci_bus *bus, unsigned int devfn, int reg, @@ -1254,7 +1253,7 @@ static struct pci_controller octeon_pcie1_controller = { /** * Initialize the Octeon PCIe controllers * - * @return + * Returns */ static int __init octeon_pcie_setup(void) { diff --git a/arch/mips/vr41xx/casio-e55/setup.c b/arch/mips/vr41xx/casio-e55/setup.c index 6d9bab8..719f4a5 100644 --- a/arch/mips/vr41xx/casio-e55/setup.c +++ b/arch/mips/vr41xx/casio-e55/setup.c @@ -1,7 +1,7 @@ /* * setup.c, Setup for the CASIO CASSIOPEIA E-11/15/55/65. * - * Copyright (C) 2002-2006 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2002-2006 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/vr41xx/common/bcu.c b/arch/mips/vr41xx/common/bcu.c index d77c330..6346c59 100644 --- a/arch/mips/vr41xx/common/bcu.c +++ b/arch/mips/vr41xx/common/bcu.c @@ -2,8 +2,8 @@ * bcu.c, Bus Control Unit routines for the NEC VR4100 series. * * Copyright (C) 2002 MontaVista Software Inc. - * Author: Yoichi Yuasa <yyuasa@mvista.com, or source@mvista.com> - * Copyright (C) 2003-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Author: Yoichi Yuasa <source@mvista.com> + * Copyright (C) 2003-2005 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -21,11 +21,11 @@ */ /* * Changes: - * MontaVista Software Inc. <yyuasa@mvista.com> or <source@mvista.com> + * MontaVista Software Inc. <source@mvista.com> * - New creation, NEC VR4122 and VR4131 are supported. * - Added support for NEC VR4111 and VR4121. * - * Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Yoichi Yuasa <yuasa@linux-mips.org> * - Added support for NEC VR4133. */ #include <linux/kernel.h> diff --git a/arch/mips/vr41xx/common/cmu.c b/arch/mips/vr41xx/common/cmu.c index ad0e8e3..8ba7d04 100644 --- a/arch/mips/vr41xx/common/cmu.c +++ b/arch/mips/vr41xx/common/cmu.c @@ -2,8 +2,8 @@ * cmu.c, Clock Mask Unit routines for the NEC VR4100 series. * * Copyright (C) 2001-2002 MontaVista Software Inc. - * Author: Yoichi Yuasa <yyuasa@mvista.com or source@mvista.com> - * Copuright (C) 2003-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Author: Yoichi Yuasa <source@mvista.com> + * Copuright (C) 2003-2005 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -21,11 +21,11 @@ */ /* * Changes: - * MontaVista Software Inc. <yyuasa@mvista.com> or <source@mvista.com> + * MontaVista Software Inc. <source@mvista.com> * - New creation, NEC VR4122 and VR4131 are supported. * - Added support for NEC VR4111 and VR4121. * - * Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Yoichi Yuasa <yuasa@linux-mips.org> * - Added support for NEC VR4133. */ #include <linux/init.h> diff --git a/arch/mips/vr41xx/common/giu.c b/arch/mips/vr41xx/common/giu.c index 2b272f1..22cc6f2 100644 --- a/arch/mips/vr41xx/common/giu.c +++ b/arch/mips/vr41xx/common/giu.c @@ -1,7 +1,7 @@ /* * NEC VR4100 series GIU platform device. * - * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/vr41xx/common/icu.c b/arch/mips/vr41xx/common/icu.c index 3f23d9f..6d39e22 100644 --- a/arch/mips/vr41xx/common/icu.c +++ b/arch/mips/vr41xx/common/icu.c @@ -2,8 +2,8 @@ * icu.c, Interrupt Control Unit routines for the NEC VR4100 series. * * Copyright (C) 2001-2002 MontaVista Software Inc. - * Author: Yoichi Yuasa <yyuasa@mvista.com or source@mvista.com> - * Copyright (C) 2003-2006 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Author: Yoichi Yuasa <source@mvista.com> + * Copyright (C) 2003-2006 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -21,11 +21,11 @@ */ /* * Changes: - * MontaVista Software Inc. <yyuasa@mvista.com> or <source@mvista.com> + * MontaVista Software Inc. <source@mvista.com> * - New creation, NEC VR4122 and VR4131 are supported. * - Added support for NEC VR4111 and VR4121. * - * Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Yoichi Yuasa <yuasa@linux-mips.org> * - Coped with INTASSIGN of NEC VR4133. */ #include <linux/errno.h> diff --git a/arch/mips/vr41xx/common/init.c b/arch/mips/vr41xx/common/init.c index c649953..1386e6f 100644 --- a/arch/mips/vr41xx/common/init.c +++ b/arch/mips/vr41xx/common/init.c @@ -1,7 +1,7 @@ /* * init.c, Common initialization routines for NEC VR4100 series. * - * Copyright (C) 2003-2008 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2003-2008 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/vr41xx/common/irq.c b/arch/mips/vr41xx/common/irq.c index 9cc3891..bef0687 100644 --- a/arch/mips/vr41xx/common/irq.c +++ b/arch/mips/vr41xx/common/irq.c @@ -1,7 +1,7 @@ /* * Interrupt handing routines for NEC VR4100 series. * - * Copyright (C) 2005-2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2005-2007 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/vr41xx/common/pmu.c b/arch/mips/vr41xx/common/pmu.c index 028aaf7..692b4e8 100644 --- a/arch/mips/vr41xx/common/pmu.c +++ b/arch/mips/vr41xx/common/pmu.c @@ -1,7 +1,7 @@ /* * pmu.c, Power Management Unit routines for NEC VR4100 series. * - * Copyright (C) 2003-2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2003-2007 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/vr41xx/common/rtc.c b/arch/mips/vr41xx/common/rtc.c index 9f26c14..ebc5dcf 100644 --- a/arch/mips/vr41xx/common/rtc.c +++ b/arch/mips/vr41xx/common/rtc.c @@ -1,7 +1,7 @@ /* * NEC VR4100 series RTC platform device. * - * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/vr41xx/common/siu.c b/arch/mips/vr41xx/common/siu.c index 654dee6..54eae56 100644 --- a/arch/mips/vr41xx/common/siu.c +++ b/arch/mips/vr41xx/common/siu.c @@ -1,7 +1,7 @@ /* * NEC VR4100 series SIU platform device. * - * Copyright (C) 2007-2008 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2007-2008 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/vr41xx/common/type.c b/arch/mips/vr41xx/common/type.c index e0c1ac5..ff84142 100644 --- a/arch/mips/vr41xx/common/type.c +++ b/arch/mips/vr41xx/common/type.c @@ -1,7 +1,7 @@ /* * type.c, System type for NEC VR4100 series. * - * Copyright (C) 2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2005 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mips/vr41xx/ibm-workpad/setup.c b/arch/mips/vr41xx/ibm-workpad/setup.c index 9eef297..3982f37 100644 --- a/arch/mips/vr41xx/ibm-workpad/setup.c +++ b/arch/mips/vr41xx/ibm-workpad/setup.c @@ -1,7 +1,7 @@ /* * setup.c, Setup for the IBM WorkPad z50. * - * Copyright (C) 2002-2006 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2002-2006 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/arch/mn10300/include/asm/pci.h b/arch/mn10300/include/asm/pci.h index e58b9a4..35d2ed6 100644 --- a/arch/mn10300/include/asm/pci.h +++ b/arch/mn10300/include/asm/pci.h @@ -70,10 +70,6 @@ struct pci_dev; */ #define PCI_DMA_BUS_IS_PHYS (1) - -/* This is always fine. */ -#define pci_dac_dma_supported(pci_dev, mask) (0) - /* Return the index of the PCI controller for device. */ static inline int pci_controller_num(struct pci_dev *dev) { diff --git a/arch/mn10300/include/asm/unistd.h b/arch/mn10300/include/asm/unistd.h index fef5b43..fad6861 100644 --- a/arch/mn10300/include/asm/unistd.h +++ b/arch/mn10300/include/asm/unistd.h @@ -346,10 +346,12 @@ #define __NR_inotify_init1 333 #define __NR_preadv 334 #define __NR_pwritev 335 +#define __NR_rt_tgsigqueueinfo 336 +#define __NR_perf_counter_open 337 #ifdef __KERNEL__ -#define NR_syscalls 326 +#define NR_syscalls 338 /* * specify the deprecated syscalls we want to support on this arch diff --git a/arch/mn10300/kernel/entry.S b/arch/mn10300/kernel/entry.S index 7408a27..e0d2563 100644 --- a/arch/mn10300/kernel/entry.S +++ b/arch/mn10300/kernel/entry.S @@ -722,6 +722,8 @@ ENTRY(sys_call_table) .long sys_inotify_init1 .long sys_preadv .long sys_pwritev /* 335 */ + .long sys_rt_tgsigqueueinfo + .long sys_perf_counter_open nr_syscalls=(.-sys_call_table)/4 diff --git a/arch/mn10300/kernel/vmlinux.lds.S b/arch/mn10300/kernel/vmlinux.lds.S index bcebcef..c96ba3d 100644 --- a/arch/mn10300/kernel/vmlinux.lds.S +++ b/arch/mn10300/kernel/vmlinux.lds.S @@ -61,7 +61,7 @@ SECTIONS _edata = .; /* End of data section */ } - .data.init_task : { INIT_TASK(THREAD_SIZE); } + .data.init_task : { INIT_TASK_DATA(THREAD_SIZE); } /* might get freed after init */ . = ALIGN(PAGE_SIZE); diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index 9038f39..06f8d5b 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -16,6 +16,8 @@ config PARISC select RTC_DRV_GENERIC select INIT_ALL_POSSIBLE select BUG + select HAVE_PERF_COUNTERS + select GENERIC_ATOMIC64 if !64BIT help The PA-RISC microprocessor is designed by Hewlett-Packard and used in many of their workstations & servers (HP9000 700 and 800 series, diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h index 7eeaff9..8bc9e96 100644 --- a/arch/parisc/include/asm/atomic.h +++ b/arch/parisc/include/asm/atomic.h @@ -222,13 +222,13 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) -#define atomic_add(i,v) ((void)(__atomic_add_return( ((int)(i)),(v)))) -#define atomic_sub(i,v) ((void)(__atomic_add_return(-((int)(i)),(v)))) +#define atomic_add(i,v) ((void)(__atomic_add_return( (i),(v)))) +#define atomic_sub(i,v) ((void)(__atomic_add_return(-(i),(v)))) #define atomic_inc(v) ((void)(__atomic_add_return( 1,(v)))) #define atomic_dec(v) ((void)(__atomic_add_return( -1,(v)))) -#define atomic_add_return(i,v) (__atomic_add_return( ((int)(i)),(v))) -#define atomic_sub_return(i,v) (__atomic_add_return(-((int)(i)),(v))) +#define atomic_add_return(i,v) (__atomic_add_return( (i),(v))) +#define atomic_sub_return(i,v) (__atomic_add_return(-(i),(v))) #define atomic_inc_return(v) (__atomic_add_return( 1,(v))) #define atomic_dec_return(v) (__atomic_add_return( -1,(v))) @@ -336,7 +336,11 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) -#endif /* CONFIG_64BIT */ +#else /* CONFIG_64BIT */ + +#include <asm-generic/atomic64.h> + +#endif /* !CONFIG_64BIT */ #include <asm-generic/atomic-long.h> diff --git a/arch/parisc/include/asm/dma.h b/arch/parisc/include/asm/dma.h index 31ad0f0..f7a18f9 100644 --- a/arch/parisc/include/asm/dma.h +++ b/arch/parisc/include/asm/dma.h @@ -1,5 +1,4 @@ -/* $Id: dma.h,v 1.2 1999/04/27 00:46:18 deller Exp $ - * linux/include/asm/dma.h: Defines for using and allocating dma channels. +/* asm/dma.h: Defines for using and allocating dma channels. * Written by Hennus Bergman, 1992. * High DMA channel support & info by Hannu Savolainen * and John Boyd, Nov. 1992. diff --git a/arch/parisc/include/asm/perf_counter.h b/arch/parisc/include/asm/perf_counter.h new file mode 100644 index 0000000..dc9e829 --- /dev/null +++ b/arch/parisc/include/asm/perf_counter.h @@ -0,0 +1,7 @@ +#ifndef __ASM_PARISC_PERF_COUNTER_H +#define __ASM_PARISC_PERF_COUNTER_H + +/* parisc only supports software counters through this interface. */ +static inline void set_perf_counter_pending(void) { } + +#endif /* __ASM_PARISC_PERF_COUNTER_H */ diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h index 9d64df8..9ce66e9 100644 --- a/arch/parisc/include/asm/processor.h +++ b/arch/parisc/include/asm/processor.h @@ -18,6 +18,7 @@ #include <asm/types.h> #include <asm/system.h> #include <asm/percpu.h> + #endif /* __ASSEMBLY__ */ #define KERNEL_STACK_SIZE (4*PAGE_SIZE) @@ -127,6 +128,8 @@ struct thread_struct { unsigned long flags; }; +#define task_pt_regs(tsk) ((struct pt_regs *)&((tsk)->thread.regs)) + /* Thread struct flags. */ #define PARISC_UAC_NOPRINT (1UL << 0) /* see prctl and unaligned.c */ #define PARISC_UAC_SIGBUS (1UL << 1) diff --git a/arch/parisc/include/asm/system.h b/arch/parisc/include/asm/system.h index ee80c92..d91357b 100644 --- a/arch/parisc/include/asm/system.h +++ b/arch/parisc/include/asm/system.h @@ -168,8 +168,8 @@ static inline void set_eiem(unsigned long val) /* LDCW, the only atomic read-write operation PA-RISC has. *sigh*. */ #define __ldcw(a) ({ \ unsigned __ret; \ - __asm__ __volatile__(__LDCW " 0(%1),%0" \ - : "=r" (__ret) : "r" (a)); \ + __asm__ __volatile__(__LDCW " 0(%2),%0" \ + : "=r" (__ret), "+m" (*(a)) : "r" (a)); \ __ret; \ }) diff --git a/arch/parisc/include/asm/tlbflush.h b/arch/parisc/include/asm/tlbflush.h index 1f6fd4f..8f1a810 100644 --- a/arch/parisc/include/asm/tlbflush.h +++ b/arch/parisc/include/asm/tlbflush.h @@ -12,14 +12,12 @@ * N class systems, only one PxTLB inter processor broadcast can be * active at any one time on the Merced bus. This tlb purge * synchronisation is fairly lightweight and harmless so we activate - * it on all SMP systems not just the N class. We also need to have - * preemption disabled on uniprocessor machines, and spin_lock does that - * nicely. + * it on all systems not just the N class. */ extern spinlock_t pa_tlb_lock; -#define purge_tlb_start(x) spin_lock(&pa_tlb_lock) -#define purge_tlb_end(x) spin_unlock(&pa_tlb_lock) +#define purge_tlb_start(flags) spin_lock_irqsave(&pa_tlb_lock, flags) +#define purge_tlb_end(flags) spin_unlock_irqrestore(&pa_tlb_lock, flags) extern void flush_tlb_all(void); extern void flush_tlb_all_local(void *); @@ -63,14 +61,16 @@ static inline void flush_tlb_mm(struct mm_struct *mm) static inline void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr) { + unsigned long flags; + /* For one page, it's not worth testing the split_tlb variable */ mb(); mtsp(vma->vm_mm->context,1); - purge_tlb_start(); + purge_tlb_start(flags); pdtlb(addr); pitlb(addr); - purge_tlb_end(); + purge_tlb_end(flags); } void __flush_tlb_range(unsigned long sid, diff --git a/arch/parisc/include/asm/unistd.h b/arch/parisc/include/asm/unistd.h index ef26b00..f3d3b8b 100644 --- a/arch/parisc/include/asm/unistd.h +++ b/arch/parisc/include/asm/unistd.h @@ -807,8 +807,12 @@ #define __NR_dup3 (__NR_Linux + 312) #define __NR_pipe2 (__NR_Linux + 313) #define __NR_inotify_init1 (__NR_Linux + 314) +#define __NR_preadv (__NR_Linux + 315) +#define __NR_pwritev (__NR_Linux + 316) +#define __NR_rt_tgsigqueueinfo (__NR_Linux + 317) +#define __NR_perf_counter_open (__NR_Linux + 318) -#define __NR_Linux_syscalls (__NR_inotify_init1 + 1) +#define __NR_Linux_syscalls (__NR_perf_counter_open + 1) #define __IGNORE_select /* newselect */ diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index 837530e..b6ed34d 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -1,5 +1,4 @@ -/* $Id: cache.c,v 1.4 2000/01/25 00:11:38 prumpf Exp $ - * +/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. @@ -398,12 +397,13 @@ EXPORT_SYMBOL(flush_kernel_icache_range_asm); void clear_user_page_asm(void *page, unsigned long vaddr) { + unsigned long flags; /* This function is implemented in assembly in pacache.S */ extern void __clear_user_page_asm(void *page, unsigned long vaddr); - purge_tlb_start(); + purge_tlb_start(flags); __clear_user_page_asm(page, vaddr); - purge_tlb_end(); + purge_tlb_end(flags); } #define FLUSH_THRESHOLD 0x80000 /* 0.5MB */ @@ -444,20 +444,24 @@ extern void clear_user_page_asm(void *page, unsigned long vaddr); void clear_user_page(void *page, unsigned long vaddr, struct page *pg) { + unsigned long flags; + purge_kernel_dcache_page((unsigned long)page); - purge_tlb_start(); + purge_tlb_start(flags); pdtlb_kernel(page); - purge_tlb_end(); + purge_tlb_end(flags); clear_user_page_asm(page, vaddr); } EXPORT_SYMBOL(clear_user_page); void flush_kernel_dcache_page_addr(void *addr) { + unsigned long flags; + flush_kernel_dcache_page_asm(addr); - purge_tlb_start(); + purge_tlb_start(flags); pdtlb_kernel(addr); - purge_tlb_end(); + purge_tlb_end(flags); } EXPORT_SYMBOL(flush_kernel_dcache_page_addr); @@ -490,8 +494,10 @@ void __flush_tlb_range(unsigned long sid, unsigned long start, if (npages >= 512) /* 2MB of space: arbitrary, should be tuned */ flush_tlb_all(); else { + unsigned long flags; + mtsp(sid, 1); - purge_tlb_start(); + purge_tlb_start(flags); if (split_tlb) { while (npages--) { pdtlb(start); @@ -504,7 +510,7 @@ void __flush_tlb_range(unsigned long sid, unsigned long start, start += PAGE_SIZE; } } - purge_tlb_end(); + purge_tlb_end(flags); } } diff --git a/arch/parisc/kernel/inventory.c b/arch/parisc/kernel/inventory.c index bd1f7f1..d228d82 100644 --- a/arch/parisc/kernel/inventory.c +++ b/arch/parisc/kernel/inventory.c @@ -170,23 +170,27 @@ static void __init pagezero_memconfig(void) static int __init pat_query_module(ulong pcell_loc, ulong mod_index) { - pdc_pat_cell_mod_maddr_block_t pa_pdc_cell; + pdc_pat_cell_mod_maddr_block_t *pa_pdc_cell; unsigned long bytecnt; unsigned long temp; /* 64-bit scratch value */ long status; /* PDC return value status */ struct parisc_device *dev; + pa_pdc_cell = kmalloc(sizeof (*pa_pdc_cell), GFP_KERNEL); + if (!pa_pdc_cell) + panic("couldn't allocate memory for PDC_PAT_CELL!"); + /* return cell module (PA or Processor view) */ status = pdc_pat_cell_module(&bytecnt, pcell_loc, mod_index, - PA_VIEW, &pa_pdc_cell); + PA_VIEW, pa_pdc_cell); if (status != PDC_OK) { /* no more cell modules or error */ return status; } - temp = pa_pdc_cell.cba; - dev = alloc_pa_dev(PAT_GET_CBA(temp), &pa_pdc_cell.mod_path); + temp = pa_pdc_cell->cba; + dev = alloc_pa_dev(PAT_GET_CBA(temp), &(pa_pdc_cell->mod_path)); if (!dev) { return PDC_OK; } @@ -203,8 +207,8 @@ pat_query_module(ulong pcell_loc, ulong mod_index) /* save generic info returned from the call */ /* REVISIT: who is the consumer of this? not sure yet... */ - dev->mod_info = pa_pdc_cell.mod_info; /* pass to PAT_GET_ENTITY() */ - dev->pmod_loc = pa_pdc_cell.mod_location; + dev->mod_info = pa_pdc_cell->mod_info; /* pass to PAT_GET_ENTITY() */ + dev->pmod_loc = pa_pdc_cell->mod_location; register_parisc_device(dev); /* advertise device */ @@ -216,14 +220,14 @@ pat_query_module(ulong pcell_loc, ulong mod_index) case PAT_ENTITY_PROC: printk(KERN_DEBUG "PAT_ENTITY_PROC: id_eid 0x%lx\n", - pa_pdc_cell.mod[0]); + pa_pdc_cell->mod[0]); break; case PAT_ENTITY_MEM: printk(KERN_DEBUG "PAT_ENTITY_MEM: amount 0x%lx min_gni_base 0x%lx min_gni_len 0x%lx\n", - pa_pdc_cell.mod[0], pa_pdc_cell.mod[1], - pa_pdc_cell.mod[2]); + pa_pdc_cell->mod[0], pa_pdc_cell->mod[1], + pa_pdc_cell->mod[2]); break; case PAT_ENTITY_CA: printk(KERN_DEBUG "PAT_ENTITY_CA: %ld\n", pcell_loc); @@ -243,23 +247,26 @@ pat_query_module(ulong pcell_loc, ulong mod_index) print_ranges: pdc_pat_cell_module(&bytecnt, pcell_loc, mod_index, IO_VIEW, &io_pdc_cell); - printk(KERN_DEBUG "ranges %ld\n", pa_pdc_cell.mod[1]); - for (i = 0; i < pa_pdc_cell.mod[1]; i++) { + printk(KERN_DEBUG "ranges %ld\n", pa_pdc_cell->mod[1]); + for (i = 0; i < pa_pdc_cell->mod[1]; i++) { printk(KERN_DEBUG " PA_VIEW %ld: 0x%016lx 0x%016lx 0x%016lx\n", - i, pa_pdc_cell.mod[2 + i * 3], /* type */ - pa_pdc_cell.mod[3 + i * 3], /* start */ - pa_pdc_cell.mod[4 + i * 3]); /* finish (ie end) */ + i, pa_pdc_cell->mod[2 + i * 3], /* type */ + pa_pdc_cell->mod[3 + i * 3], /* start */ + pa_pdc_cell->mod[4 + i * 3]); /* finish (ie end) */ printk(KERN_DEBUG " IO_VIEW %ld: 0x%016lx 0x%016lx 0x%016lx\n", - i, io_pdc_cell.mod[2 + i * 3], /* type */ - io_pdc_cell.mod[3 + i * 3], /* start */ - io_pdc_cell.mod[4 + i * 3]); /* finish (ie end) */ + i, io_pdc_cell->mod[2 + i * 3], /* type */ + io_pdc_cell->mod[3 + i * 3], /* start */ + io_pdc_cell->mod[4 + i * 3]); /* finish (ie end) */ } printk(KERN_DEBUG "\n"); break; } #endif /* DEBUG_PAT */ + + kfree(pa_pdc_cell); + return PDC_OK; } diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index 8007f1e..330f536 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -120,7 +120,7 @@ int cpu_check_affinity(unsigned int irq, const struct cpumask *dest) if (CHECK_IRQ_PER_CPU(irq)) { /* Bad linux design decision. The mask has already * been set; we must reset it */ - cpumask_setall(&irq_desc[irq].affinity); + cpumask_setall(irq_desc[irq].affinity); return -EINVAL; } @@ -138,13 +138,13 @@ static int cpu_set_affinity_irq(unsigned int irq, const struct cpumask *dest) if (cpu_dest < 0) return -1; - cpumask_copy(&irq_desc[irq].affinity, dest); + cpumask_copy(irq_desc[irq].affinity, dest); return 0; } #endif -static struct hw_interrupt_type cpu_interrupt_type = { +static struct irq_chip cpu_interrupt_type = { .typename = "CPU", .startup = cpu_startup_irq, .shutdown = cpu_disable_irq, @@ -299,7 +299,7 @@ int txn_alloc_irq(unsigned int bits_wide) unsigned long txn_affinity_addr(unsigned int irq, int cpu) { #ifdef CONFIG_SMP - cpumask_copy(&irq_desc[irq].affinity, cpumask_of(cpu)); + cpumask_copy(irq_desc[irq].affinity, cpumask_of(cpu)); #endif return per_cpu(cpu_data, cpu).txn_addr; @@ -356,7 +356,7 @@ void do_cpu_irq_mask(struct pt_regs *regs) irq = eirr_to_irq(eirr_val); #ifdef CONFIG_SMP - cpumask_copy(&dest, &irq_desc[irq].affinity); + cpumask_copy(&dest, irq_desc[irq].affinity); if (CHECK_IRQ_PER_CPU(irq_desc[irq].status) && !cpu_isset(smp_processor_id(), dest)) { int cpu = first_cpu(dest); diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c index 7d927ea..c07f618 100644 --- a/arch/parisc/kernel/pci-dma.c +++ b/arch/parisc/kernel/pci-dma.c @@ -90,12 +90,14 @@ static inline int map_pte_uncached(pte_t * pte, if (end > PMD_SIZE) end = PMD_SIZE; do { + unsigned long flags; + if (!pte_none(*pte)) printk(KERN_ERR "map_pte_uncached: page already exists\n"); set_pte(pte, __mk_pte(*paddr_ptr, PAGE_KERNEL_UNC)); - purge_tlb_start(); + purge_tlb_start(flags); pdtlb_kernel(orig_vaddr); - purge_tlb_end(); + purge_tlb_end(flags); vaddr += PAGE_SIZE; orig_vaddr += PAGE_SIZE; (*paddr_ptr) += PAGE_SIZE; @@ -168,11 +170,13 @@ static inline void unmap_uncached_pte(pmd_t * pmd, unsigned long vaddr, if (end > PMD_SIZE) end = PMD_SIZE; do { + unsigned long flags; pte_t page = *pte; + pte_clear(&init_mm, vaddr, pte); - purge_tlb_start(); + purge_tlb_start(flags); pdtlb_kernel(orig_vaddr); - purge_tlb_end(); + purge_tlb_end(flags); vaddr += PAGE_SIZE; orig_vaddr += PAGE_SIZE; pte++; diff --git a/arch/parisc/kernel/pci.c b/arch/parisc/kernel/pci.c index 6936386..f7064ab 100644 --- a/arch/parisc/kernel/pci.c +++ b/arch/parisc/kernel/pci.c @@ -1,5 +1,4 @@ -/* $Id: pci.c,v 1.6 2000/01/29 00:12:05 grundler Exp $ - * +/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c index e09d0f7..c8fb61e 100644 --- a/arch/parisc/kernel/processor.c +++ b/arch/parisc/kernel/processor.c @@ -1,5 +1,4 @@ -/* $Id: processor.c,v 1.1 2002/07/20 16:27:06 rhirst Exp $ - * +/* * Initial setup-routines for HP 9000 based hardware. * * Copyright (C) 1991, 1992, 1995 Linus Torvalds @@ -121,22 +120,28 @@ static int __cpuinit processor_probe(struct parisc_device *dev) if (is_pdc_pat()) { ulong status; unsigned long bytecnt; - pdc_pat_cell_mod_maddr_block_t pa_pdc_cell; + pdc_pat_cell_mod_maddr_block_t *pa_pdc_cell; #undef USE_PAT_CPUID #ifdef USE_PAT_CPUID struct pdc_pat_cpu_num cpu_info; #endif + pa_pdc_cell = kmalloc(sizeof (*pa_pdc_cell), GFP_KERNEL); + if (!pa_pdc_cell) + panic("couldn't allocate memory for PDC_PAT_CELL!"); + status = pdc_pat_cell_module(&bytecnt, dev->pcell_loc, - dev->mod_index, PA_VIEW, &pa_pdc_cell); + dev->mod_index, PA_VIEW, pa_pdc_cell); BUG_ON(PDC_OK != status); /* verify it's the same as what do_pat_inventory() found */ - BUG_ON(dev->mod_info != pa_pdc_cell.mod_info); - BUG_ON(dev->pmod_loc != pa_pdc_cell.mod_location); + BUG_ON(dev->mod_info != pa_pdc_cell->mod_info); + BUG_ON(dev->pmod_loc != pa_pdc_cell->mod_location); + + txn_addr = pa_pdc_cell->mod[0]; /* id_eid for IO sapic */ - txn_addr = pa_pdc_cell.mod[0]; /* id_eid for IO sapic */ + kfree(pa_pdc_cell); #ifdef USE_PAT_CPUID /* We need contiguous numbers for cpuid. Firmware's notion diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c index 82131ca..cb71f3d 100644 --- a/arch/parisc/kernel/setup.c +++ b/arch/parisc/kernel/setup.c @@ -1,5 +1,4 @@ -/* $Id: setup.c,v 1.8 2000/02/02 04:42:38 prumpf Exp $ - * +/* * Initial setup-routines for HP 9000 based hardware. * * Copyright (C) 1991, 1992, 1995 Linus Torvalds diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c index 1adb40c..92a0aca 100644 --- a/arch/parisc/kernel/sys_parisc32.c +++ b/arch/parisc/kernel/sys_parisc32.c @@ -174,68 +174,6 @@ asmlinkage long sys32_sched_rr_get_interval(pid_t pid, return ret; } -/*** copied from mips64 ***/ -/* - * Ooo, nasty. We need here to frob 32-bit unsigned longs to - * 64-bit unsigned longs. - */ - -static inline int -get_fd_set32(unsigned long n, u32 *ufdset, unsigned long *fdset) -{ - n = (n + 8*sizeof(u32) - 1) / (8*sizeof(u32)); - if (ufdset) { - unsigned long odd; - - if (!access_ok(VERIFY_WRITE, ufdset, n*sizeof(u32))) - return -EFAULT; - - odd = n & 1UL; - n &= ~1UL; - while (n) { - unsigned long h, l; - __get_user(l, ufdset); - __get_user(h, ufdset+1); - ufdset += 2; - *fdset++ = h << 32 | l; - n -= 2; - } - if (odd) - __get_user(*fdset, ufdset); - } else { - /* Tricky, must clear full unsigned long in the - * kernel fdset at the end, this makes sure that - * actually happens. - */ - memset(fdset, 0, ((n + 1) & ~1)*sizeof(u32)); - } - return 0; -} - -static inline void -set_fd_set32(unsigned long n, u32 *ufdset, unsigned long *fdset) -{ - unsigned long odd; - n = (n + 8*sizeof(u32) - 1) / (8*sizeof(u32)); - - if (!ufdset) - return; - - odd = n & 1UL; - n &= ~1UL; - while (n) { - unsigned long h, l; - l = *fdset++; - h = l >> 32; - __put_user(l, ufdset); - __put_user(h, ufdset+1); - ufdset += 2; - n -= 2; - } - if (odd) - __put_user(*fdset, ufdset); -} - struct msgbuf32 { int mtype; char mtext[1]; diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S index 03b9a01..cf145eb 100644 --- a/arch/parisc/kernel/syscall_table.S +++ b/arch/parisc/kernel/syscall_table.S @@ -413,6 +413,10 @@ ENTRY_SAME(dup3) ENTRY_SAME(pipe2) ENTRY_SAME(inotify_init1) + ENTRY_COMP(preadv) /* 315 */ + ENTRY_COMP(pwritev) + ENTRY_COMP(rt_tgsigqueueinfo) + ENTRY_SAME(perf_counter_open) /* Nothing yet */ diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c index d4dd056..a79c6f9 100644 --- a/arch/parisc/kernel/time.c +++ b/arch/parisc/kernel/time.c @@ -56,9 +56,9 @@ static unsigned long clocktick __read_mostly; /* timer cycles per tick */ */ irqreturn_t __irq_entry timer_interrupt(int irq, void *dev_id) { - unsigned long now; + unsigned long now, now2; unsigned long next_tick; - unsigned long cycles_elapsed, ticks_elapsed; + unsigned long cycles_elapsed, ticks_elapsed = 1; unsigned long cycles_remainder; unsigned int cpu = smp_processor_id(); struct cpuinfo_parisc *cpuinfo = &per_cpu(cpu_data, cpu); @@ -71,44 +71,24 @@ irqreturn_t __irq_entry timer_interrupt(int irq, void *dev_id) /* Initialize next_tick to the expected tick time. */ next_tick = cpuinfo->it_value; - /* Get current interval timer. - * CR16 reads as 64 bits in CPU wide mode. - * CR16 reads as 32 bits in CPU narrow mode. - */ + /* Get current cycle counter (Control Register 16). */ now = mfctl(16); cycles_elapsed = now - next_tick; - if ((cycles_elapsed >> 5) < cpt) { + if ((cycles_elapsed >> 6) < cpt) { /* use "cheap" math (add/subtract) instead * of the more expensive div/mul method */ cycles_remainder = cycles_elapsed; - ticks_elapsed = 1; while (cycles_remainder > cpt) { cycles_remainder -= cpt; ticks_elapsed++; } } else { + /* TODO: Reduce this to one fdiv op */ cycles_remainder = cycles_elapsed % cpt; - ticks_elapsed = 1 + cycles_elapsed / cpt; - } - - /* Can we differentiate between "early CR16" (aka Scenario 1) and - * "long delay" (aka Scenario 3)? I don't think so. - * - * We expected timer_interrupt to be delivered at least a few hundred - * cycles after the IT fires. But it's arbitrary how much time passes - * before we call it "late". I've picked one second. - */ - if (unlikely(ticks_elapsed > HZ)) { - /* Scenario 3: very long delay? bad in any case */ - printk (KERN_CRIT "timer_interrupt(CPU %d): delayed!" - " cycles %lX rem %lX " - " next/now %lX/%lX\n", - cpu, - cycles_elapsed, cycles_remainder, - next_tick, now ); + ticks_elapsed += cycles_elapsed / cpt; } /* convert from "division remainder" to "remainder of clock tick" */ @@ -122,18 +102,56 @@ irqreturn_t __irq_entry timer_interrupt(int irq, void *dev_id) cpuinfo->it_value = next_tick; - /* Skip one clocktick on purpose if we are likely to miss next_tick. - * We want to avoid the new next_tick being less than CR16. - * If that happened, itimer wouldn't fire until CR16 wrapped. - * We'll catch the tick we missed on the tick after that. + /* Program the IT when to deliver the next interrupt. + * Only bottom 32-bits of next_tick are writable in CR16! */ - if (!(cycles_remainder >> 13)) - next_tick += cpt; - - /* Program the IT when to deliver the next interrupt. */ - /* Only bottom 32-bits of next_tick are written to cr16. */ mtctl(next_tick, 16); + /* Skip one clocktick on purpose if we missed next_tick. + * The new CR16 must be "later" than current CR16 otherwise + * itimer would not fire until CR16 wrapped - e.g 4 seconds + * later on a 1Ghz processor. We'll account for the missed + * tick on the next timer interrupt. + * + * "next_tick - now" will always give the difference regardless + * if one or the other wrapped. If "now" is "bigger" we'll end up + * with a very large unsigned number. + */ + now2 = mfctl(16); + if (next_tick - now2 > cpt) + mtctl(next_tick+cpt, 16); + +#if 1 +/* + * GGG: DEBUG code for how many cycles programming CR16 used. + */ + if (unlikely(now2 - now > 0x3000)) /* 12K cycles */ + printk (KERN_CRIT "timer_interrupt(CPU %d): SLOW! 0x%lx cycles!" + " cyc %lX rem %lX " + " next/now %lX/%lX\n", + cpu, now2 - now, cycles_elapsed, cycles_remainder, + next_tick, now ); +#endif + + /* Can we differentiate between "early CR16" (aka Scenario 1) and + * "long delay" (aka Scenario 3)? I don't think so. + * + * Timer_interrupt will be delivered at least a few hundred cycles + * after the IT fires. But it's arbitrary how much time passes + * before we call it "late". I've picked one second. + * + * It's important NO printk's are between reading CR16 and + * setting up the next value. May introduce huge variance. + */ + if (unlikely(ticks_elapsed > HZ)) { + /* Scenario 3: very long delay? bad in any case */ + printk (KERN_CRIT "timer_interrupt(CPU %d): delayed!" + " cycles %lX rem %lX " + " next/now %lX/%lX\n", + cpu, + cycles_elapsed, cycles_remainder, + next_tick, now ); + } /* Done mucking with unreliable delivery of interrupts. * Go do system house keeping. @@ -173,7 +191,7 @@ EXPORT_SYMBOL(profile_pc); /* clock source code */ -static cycle_t read_cr16(void) +static cycle_t read_cr16(struct clocksource *cs) { return get_cycles(); } diff --git a/arch/parisc/lib/checksum.c b/arch/parisc/lib/checksum.c index 462696d..ae66d31 100644 --- a/arch/parisc/lib/checksum.c +++ b/arch/parisc/lib/checksum.c @@ -13,8 +13,6 @@ * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. - * - * $Id: checksum.c,v 1.3 1997/12/01 17:57:34 ralf Exp $ */ #include <linux/module.h> #include <linux/types.h> diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c index bbda909..abf41f4 100644 --- a/arch/parisc/lib/memcpy.c +++ b/arch/parisc/lib/memcpy.c @@ -405,7 +405,7 @@ byte_copy: unaligned_copy: /* possibly we are aligned on a word, but not on a double... */ - if (likely(t1 & (sizeof(unsigned int)-1)) == 0) { + if (likely((t1 & (sizeof(unsigned int)-1)) == 0)) { t2 = src & (sizeof(unsigned int) - 1); if (unlikely(t2 != 0)) { diff --git a/arch/parisc/math-emu/decode_exc.c b/arch/parisc/math-emu/decode_exc.c index 66c8a9f..3ca1c61 100644 --- a/arch/parisc/math-emu/decode_exc.c +++ b/arch/parisc/math-emu/decode_exc.c @@ -40,7 +40,7 @@ * END_DESC */ - +#include <linux/kernel.h> #include "float.h" #include "sgl_float.h" #include "dbl_float.h" diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index bfb6dd6..c6afbfc 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -1,5 +1,4 @@ -/* $Id: fault.c,v 1.5 2000/01/26 16:20:29 jsm Exp $ - * +/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index 4356ceb..b0831d9 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -370,34 +370,22 @@ static void __init setup_bootmem(void) void free_initmem(void) { - unsigned long addr, init_begin, init_end; - - printk(KERN_INFO "Freeing unused kernel memory: "); + unsigned long addr; + unsigned long init_begin = (unsigned long)__init_begin; + unsigned long init_end = (unsigned long)__init_end; #ifdef CONFIG_DEBUG_KERNEL /* Attempt to catch anyone trying to execute code here * by filling the page with BRK insns. - * - * If we disable interrupts for all CPUs, then IPI stops working. - * Kinda breaks the global cache flushing. */ - local_irq_disable(); - - memset(__init_begin, 0x00, - (unsigned long)__init_end - (unsigned long)__init_begin); - - flush_data_cache(); - asm volatile("sync" : : ); - flush_icache_range((unsigned long)__init_begin, (unsigned long)__init_end); - asm volatile("sync" : : ); - - local_irq_enable(); + memset((void *)init_begin, 0x00, init_end - init_begin); + flush_icache_range(init_begin, init_end); #endif /* align __init_begin and __init_end to page size, ignoring linker script where we might have tried to save RAM */ - init_begin = PAGE_ALIGN((unsigned long)(__init_begin)); - init_end = PAGE_ALIGN((unsigned long)(__init_end)); + init_begin = PAGE_ALIGN(init_begin); + init_end = PAGE_ALIGN(init_end); for (addr = init_begin; addr < init_end; addr += PAGE_SIZE) { ClearPageReserved(virt_to_page(addr)); init_page_count(virt_to_page(addr)); @@ -409,7 +397,8 @@ void free_initmem(void) /* set up a new led state on systems shipped LED State panel */ pdc_chassis_send_status(PDC_CHASSIS_DIRECT_BCOMPLETE); - printk("%luk freed\n", (init_end - init_begin) >> 10); + printk(KERN_INFO "Freeing unused kernel memory: %luk freed\n", + (init_end - init_begin) >> 10); } diff --git a/arch/powerpc/include/asm/perf_counter.h b/arch/powerpc/include/asm/perf_counter.h index 8ccd4e1..0ea0639 100644 --- a/arch/powerpc/include/asm/perf_counter.h +++ b/arch/powerpc/include/asm/perf_counter.h @@ -61,6 +61,8 @@ struct pt_regs; extern unsigned long perf_misc_flags(struct pt_regs *regs); extern unsigned long perf_instruction_pointer(struct pt_regs *regs); +#define PERF_COUNTER_INDEX_OFFSET 1 + /* * Only override the default definitions in include/linux/perf_counter.h * if we have hardware PMU support. diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug index 8ece0b5..39224b5 100644 --- a/arch/sh/Kconfig.debug +++ b/arch/sh/Kconfig.debug @@ -61,10 +61,6 @@ config EARLY_PRINTK select both the EARLY_SCIF_CONSOLE and SH_STANDARD_BIOS, using the kernel command line option to toggle back and forth. -config DEBUG_BOOTMEM - depends on DEBUG_KERNEL - bool "Debug BOOTMEM initialization" - config DEBUG_STACKOVERFLOW bool "Check for stack overflows" depends on DEBUG_KERNEL && SUPERH32 diff --git a/arch/sh/boards/mach-se/7206/io.c b/arch/sh/boards/mach-se/7206/io.c index 9c3a332..1804556 100644 --- a/arch/sh/boards/mach-se/7206/io.c +++ b/arch/sh/boards/mach-se/7206/io.c @@ -50,7 +50,7 @@ unsigned char se7206_inb_p(unsigned long port) unsigned short se7206_inw(unsigned long port) { - return *port2adr(port);; + return *port2adr(port); } void se7206_outb(unsigned char value, unsigned long port) diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c index 9cd04bd..c050a8d 100644 --- a/arch/sh/boards/mach-se/7724/setup.c +++ b/arch/sh/boards/mach-se/7724/setup.c @@ -23,6 +23,8 @@ #include <media/sh_mobile_ceu.h> #include <asm/io.h> #include <asm/heartbeat.h> +#include <asm/sh_eth.h> +#include <asm/clock.h> #include <asm/sh_keysc.h> #include <cpu/sh7724.h> #include <mach-se/mach/se7724.h> @@ -272,6 +274,34 @@ static struct platform_device keysc_device = { }, }; +/* SH Eth */ +static struct resource sh_eth_resources[] = { + [0] = { + .start = SH_ETH_ADDR, + .end = SH_ETH_ADDR + 0x1FC, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 91, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + }, +}; + +struct sh_eth_plat_data sh_eth_plat = { + .phy = 0x1f, /* SMSC LAN8187 */ + .edmac_endian = EDMAC_LITTLE_ENDIAN, +}; + +static struct platform_device sh_eth_device = { + .name = "sh-eth", + .id = 0, + .dev = { + .platform_data = &sh_eth_plat, + }, + .num_resources = ARRAY_SIZE(sh_eth_resources), + .resource = sh_eth_resources, +}; + static struct platform_device *ms7724se_devices[] __initdata = { &heartbeat_device, &smc91x_eth_device, @@ -280,8 +310,57 @@ static struct platform_device *ms7724se_devices[] __initdata = { &ceu0_device, &ceu1_device, &keysc_device, + &sh_eth_device, }; +#define EEPROM_OP 0xBA206000 +#define EEPROM_ADR 0xBA206004 +#define EEPROM_DATA 0xBA20600C +#define EEPROM_STAT 0xBA206010 +#define EEPROM_STRT 0xBA206014 +static int __init sh_eth_is_eeprom_ready(void) +{ + int t = 10000; + + while (t--) { + if (!ctrl_inw(EEPROM_STAT)) + return 1; + cpu_relax(); + } + + printk(KERN_ERR "ms7724se can not access to eeprom\n"); + return 0; +} + +static void __init sh_eth_init(void) +{ + int i; + u16 mac[3]; + + /* check EEPROM status */ + if (!sh_eth_is_eeprom_ready()) + return; + + /* read MAC addr from EEPROM */ + for (i = 0 ; i < 3 ; i++) { + ctrl_outw(0x0, EEPROM_OP); /* read */ + ctrl_outw(i*2, EEPROM_ADR); + ctrl_outw(0x1, EEPROM_STRT); + if (!sh_eth_is_eeprom_ready()) + return; + + mac[i] = ctrl_inw(EEPROM_DATA); + mac[i] = ((mac[i] & 0xFF) << 8) | (mac[i] >> 8); /* swap */ + } + + /* reset sh-eth */ + ctrl_outl(0x1, SH_ETH_ADDR + 0x0); + + /* set MAC addr */ + ctrl_outl(((mac[0] << 16) | (mac[1])), SH_ETH_MAHR); + ctrl_outl((mac[2]), SH_ETH_MALR); +} + #define SW4140 0xBA201000 #define FPGA_OUT 0xBA200400 #define PORT_HIZA 0xA4050158 @@ -302,7 +381,8 @@ static int __init devices_setup(void) ctrl_outw(ctrl_inw(FPGA_OUT) & ~((1 << 1) | /* LAN */ (1 << 6) | /* VIDEO DAC */ - (1 << 12)), /* USB0 */ + (1 << 12) | /* USB0 */ + (1 << 14)), /* RMII */ FPGA_OUT); /* enable IRQ 0,1,2 */ @@ -374,7 +454,7 @@ static int __init devices_setup(void) gpio_request(GPIO_FN_VIO0_CLK, NULL); gpio_request(GPIO_FN_VIO0_FLD, NULL); gpio_request(GPIO_FN_VIO0_HD, NULL); - platform_resource_setup_memory(&ceu0_device, "ceu", 4 << 20); + platform_resource_setup_memory(&ceu0_device, "ceu0", 4 << 20); /* enable CEU1 */ gpio_request(GPIO_FN_VIO1_D7, NULL); @@ -389,7 +469,7 @@ static int __init devices_setup(void) gpio_request(GPIO_FN_VIO1_HD, NULL); gpio_request(GPIO_FN_VIO1_VD, NULL); gpio_request(GPIO_FN_VIO1_CLK, NULL); - platform_resource_setup_memory(&ceu1_device, "ceu", 4 << 20); + platform_resource_setup_memory(&ceu1_device, "ceu1", 4 << 20); /* KEYSC */ gpio_request(GPIO_FN_KEYOUT5_IN5, NULL); @@ -404,6 +484,28 @@ static int __init devices_setup(void) gpio_request(GPIO_FN_KEYOUT1, NULL); gpio_request(GPIO_FN_KEYOUT0, NULL); + /* + * enable SH-Eth + * + * please remove J33 pin from your board !! + * + * ms7724 board should not use GPIO_FN_LNKSTA pin + * So, This time PTX5 is set to input pin + */ + gpio_request(GPIO_FN_RMII_RXD0, NULL); + gpio_request(GPIO_FN_RMII_RXD1, NULL); + gpio_request(GPIO_FN_RMII_TXD0, NULL); + gpio_request(GPIO_FN_RMII_TXD1, NULL); + gpio_request(GPIO_FN_RMII_REF_CLK, NULL); + gpio_request(GPIO_FN_RMII_TX_EN, NULL); + gpio_request(GPIO_FN_RMII_RX_ER, NULL); + gpio_request(GPIO_FN_RMII_CRS_DV, NULL); + gpio_request(GPIO_FN_MDIO, NULL); + gpio_request(GPIO_FN_MDC, NULL); + gpio_request(GPIO_PTX5, NULL); + gpio_direction_input(GPIO_PTX5); + sh_eth_init(); + if (sw & SW41_B) { /* SVGA */ lcdc_info.ch[0].lcd_cfg.xres = 800; @@ -437,7 +539,7 @@ static int __init devices_setup(void) } return platform_add_devices(ms7724se_devices, - ARRAY_SIZE(ms7724se_devices)); + ARRAY_SIZE(ms7724se_devices)); } device_initcall(devices_setup); diff --git a/arch/sh/configs/migor_defconfig b/arch/sh/configs/migor_defconfig index da627d2..b18cfd3 100644 --- a/arch/sh/configs/migor_defconfig +++ b/arch/sh/configs/migor_defconfig @@ -309,7 +309,7 @@ CONFIG_ZERO_PAGE_OFFSET=0x00001000 CONFIG_BOOT_LINK_OFFSET=0x00800000 CONFIG_ENTRY_OFFSET=0x00001000 CONFIG_CMDLINE_BOOL=y -CONFIG_CMDLINE="console=ttySC0,115200 earlyprintk=serial ip=on root=/dev/nfs ip=dhcp" +CONFIG_CMDLINE="console=tty0 console=ttySC0,115200 earlyprintk=serial ip=on root=/dev/nfs ip=dhcp" # # Bus options @@ -858,7 +858,35 @@ CONFIG_VIDEO_SH_MOBILE_CEU=y # # CONFIG_VGASTATE is not set # CONFIG_VIDEO_OUTPUT_CONTROL is not set -# CONFIG_FB is not set +CONFIG_FB=y +# CONFIG_FIRMWARE_EDID is not set +# CONFIG_FB_DDC is not set +# CONFIG_FB_BOOT_VESA_SUPPORT is not set +# CONFIG_FB_CFB_FILLRECT is not set +# CONFIG_FB_CFB_COPYAREA is not set +# CONFIG_FB_CFB_IMAGEBLIT is not set +# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set +CONFIG_FB_SYS_FILLRECT=y +CONFIG_FB_SYS_COPYAREA=y +CONFIG_FB_SYS_IMAGEBLIT=y +# CONFIG_FB_FOREIGN_ENDIAN is not set +CONFIG_FB_SYS_FOPS=y +CONFIG_FB_DEFERRED_IO=y +# CONFIG_FB_SVGALIB is not set +# CONFIG_FB_MACMODES is not set +# CONFIG_FB_BACKLIGHT is not set +# CONFIG_FB_MODE_HELPERS is not set +# CONFIG_FB_TILEBLITTING is not set + +# +# Frame buffer hardware drivers +# +# CONFIG_FB_S1D13XXX is not set +CONFIG_FB_SH_MOBILE_LCDC=y +# CONFIG_FB_VIRTUAL is not set +# CONFIG_FB_METRONOME is not set +# CONFIG_FB_MB862XX is not set +# CONFIG_FB_BROADSHEET is not set # CONFIG_BACKLIGHT_LCD_SUPPORT is not set # @@ -870,6 +898,27 @@ CONFIG_VIDEO_SH_MOBILE_CEU=y # Console display driver support # CONFIG_DUMMY_CONSOLE=y +CONFIG_FRAMEBUFFER_CONSOLE=y +CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y +# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set +CONFIG_FONTS=y +# CONFIG_FONT_8x8 is not set +# CONFIG_FONT_8x16 is not set +# CONFIG_FONT_6x11 is not set +# CONFIG_FONT_7x14 is not set +# CONFIG_FONT_PEARL_8x8 is not set +# CONFIG_FONT_ACORN_8x8 is not set +CONFIG_FONT_MINI_4x6=y +# CONFIG_FONT_SUN8x16 is not set +# CONFIG_FONT_SUN12x22 is not set +# CONFIG_FONT_10x18 is not set +CONFIG_LOGO=y +# CONFIG_LOGO_LINUX_MONO is not set +# CONFIG_LOGO_LINUX_VGA16 is not set +# CONFIG_LOGO_LINUX_CLUT224 is not set +# CONFIG_LOGO_SUPERH_MONO is not set +CONFIG_LOGO_SUPERH_VGA16=y +# CONFIG_LOGO_SUPERH_CLUT224 is not set # CONFIG_SOUND is not set CONFIG_HID_SUPPORT=y CONFIG_HID=y diff --git a/arch/sh/configs/se7724_defconfig b/arch/sh/configs/se7724_defconfig index 3840270..3ee783a0 100644 --- a/arch/sh/configs/se7724_defconfig +++ b/arch/sh/configs/se7724_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.30 -# Thu Jun 18 16:09:05 2009 +# Mon Jun 29 16:28:43 2009 # CONFIG_SUPERH=y CONFIG_SUPERH32=y @@ -14,6 +14,7 @@ CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_IRQ_PER_CPU=y CONFIG_GENERIC_GPIO=y CONFIG_GENERIC_TIME=y CONFIG_GENERIC_CLOCKEVENTS=y @@ -28,7 +29,9 @@ CONFIG_HAVE_LATENCYTOP_SUPPORT=y # CONFIG_ARCH_HAS_ILOG2_U64 is not set CONFIG_ARCH_NO_VIRT_TO_BUS=y CONFIG_ARCH_HAS_DEFAULT_IDLE=y +CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" +CONFIG_CONSTRUCTORS=y # # General setup @@ -88,10 +91,12 @@ CONFIG_TIMERFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y CONFIG_AIO=y +CONFIG_HAVE_PERF_COUNTERS=y # # Performance Counters # +# CONFIG_PERF_COUNTERS is not set CONFIG_VM_EVENT_COUNTERS=y # CONFIG_STRIP_ASM_SYMS is not set CONFIG_COMPAT_BRK=y @@ -107,6 +112,10 @@ CONFIG_HAVE_KRETPROBES=y CONFIG_HAVE_ARCH_TRACEHOOK=y CONFIG_HAVE_CLK=y CONFIG_HAVE_DMA_API_DEBUG=y + +# +# GCOV-based kernel profiling +# # CONFIG_SLOW_WORK is not set CONFIG_HAVE_GENERIC_DMA_COHERENT=y CONFIG_SLABINFO=y @@ -119,7 +128,7 @@ CONFIG_MODULE_UNLOAD=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set CONFIG_BLOCK=y -# CONFIG_LBD is not set +CONFIG_LBDAF=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_BLK_DEV_INTEGRITY is not set @@ -584,7 +593,6 @@ CONFIG_SCSI_WAIT_SCAN=m # CONFIG_SCSI_SRP_ATTRS is not set CONFIG_SCSI_LOWLEVEL=y # CONFIG_ISCSI_TCP is not set -# CONFIG_SCSI_BNX2_ISCSI is not set # CONFIG_LIBFC is not set # CONFIG_LIBFCOE is not set # CONFIG_SCSI_DEBUG is not set @@ -624,7 +632,7 @@ CONFIG_NET_ETHERNET=y CONFIG_MII=y # CONFIG_AX88796 is not set # CONFIG_STNIC is not set -# CONFIG_SH_ETH is not set +CONFIG_SH_ETH=y CONFIG_SMC91X=y # CONFIG_ENC28J60 is not set # CONFIG_ETHOC is not set @@ -801,6 +809,11 @@ CONFIG_SPI_BITBANG=y # # CONFIG_SPI_SPIDEV is not set # CONFIG_SPI_TLE62X0 is not set + +# +# PPS support +# +# CONFIG_PPS is not set CONFIG_ARCH_REQUIRE_GPIOLIB=y CONFIG_GPIOLIB=y # CONFIG_GPIO_SYSFS is not set @@ -851,6 +864,8 @@ CONFIG_SSB_POSSIBLE=y # CONFIG_MFD_WM8400 is not set # CONFIG_MFD_WM8350_I2C is not set # CONFIG_MFD_PCF50633 is not set +# CONFIG_AB3100_CORE is not set +# CONFIG_EZX_PCAP is not set # CONFIG_REGULATOR is not set CONFIG_MEDIA_SUPPORT=y @@ -1196,6 +1211,7 @@ CONFIG_RTC_DRV_PCF8563=y # CONFIG_RTC_DRV_S35390A is not set # CONFIG_RTC_DRV_FM3130 is not set # CONFIG_RTC_DRV_RX8581 is not set +# CONFIG_RTC_DRV_RX8025 is not set # # SPI RTC drivers @@ -1260,6 +1276,7 @@ CONFIG_FS_MBCACHE=y # CONFIG_JFS_FS is not set CONFIG_FS_POSIX_ACL=y # CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set # CONFIG_OCFS2_FS is not set # CONFIG_BTRFS_FS is not set CONFIG_FILE_LOCKING=y diff --git a/arch/sh/include/asm/perf_counter.h b/arch/sh/include/asm/perf_counter.h index a8153c2..61c2b40 100644 --- a/arch/sh/include/asm/perf_counter.h +++ b/arch/sh/include/asm/perf_counter.h @@ -2,6 +2,6 @@ #define __ASM_SH_PERF_COUNTER_H /* SH only supports software counters through this interface. */ -#define set_perf_counter_pending() do { } while (0) +static inline void set_perf_counter_pending(void) {} #endif /* __ASM_SH_PERF_COUNTER_H */ diff --git a/arch/sh/include/asm/syscall_32.h b/arch/sh/include/asm/syscall_32.h index 5bc3468..6f83f2c 100644 --- a/arch/sh/include/asm/syscall_32.h +++ b/arch/sh/include/asm/syscall_32.h @@ -3,6 +3,7 @@ #include <linux/kernel.h> #include <linux/sched.h> +#include <linux/err.h> #include <asm/ptrace.h> /* The system call number is given by the user in R3 */ diff --git a/arch/sh/include/mach-se/mach/se7724.h b/arch/sh/include/mach-se/mach/se7724.h index 74164b6..29514a3 100644 --- a/arch/sh/include/mach-se/mach/se7724.h +++ b/arch/sh/include/mach-se/mach/se7724.h @@ -20,6 +20,11 @@ */ #include <asm/addrspace.h> +/* SH Eth */ +#define SH_ETH_ADDR (0xA4600000) +#define SH_ETH_MAHR (SH_ETH_ADDR + 0x1C0) +#define SH_ETH_MALR (SH_ETH_ADDR + 0x1C8) + #define PA_LED (0xba203000) /* 8bit LED */ #define IRQ_MODE (0xba200010) #define IRQ0_SR (0xba200014) diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c index cc8ddbd..7192594 100644 --- a/arch/sh/mm/fault_32.c +++ b/arch/sh/mm/fault_32.c @@ -15,12 +15,28 @@ #include <linux/mm.h> #include <linux/hardirq.h> #include <linux/kprobes.h> -#include <linux/marker.h> +#include <linux/perf_counter.h> #include <asm/io_trapped.h> #include <asm/system.h> #include <asm/mmu_context.h> #include <asm/tlbflush.h> +static inline int notify_page_fault(struct pt_regs *regs, int trap) +{ + int ret = 0; + +#ifdef CONFIG_KPROBES + if (!user_mode(regs)) { + preempt_disable(); + if (kprobe_running() && kprobe_fault_handler(regs, trap)) + ret = 1; + preempt_enable(); + } +#endif + + return ret; +} + /* * This routine handles page faults. It determines the address, * and the problem, and then passes it off to one of the appropriate @@ -87,13 +103,16 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs, return; } + mm = tsk->mm; + + if (unlikely(notify_page_fault(regs, lookup_exception_vector()))) + return; + /* Only enable interrupts if they were on before the fault */ - if ((regs->sr & SR_IMASK) != SR_IMASK) { - trace_hardirqs_on(); + if ((regs->sr & SR_IMASK) != SR_IMASK) local_irq_enable(); - } - mm = tsk->mm; + perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address); /* * If we're in an interrupt or have no user @@ -141,10 +160,15 @@ survive: goto do_sigbus; BUG(); } - if (fault & VM_FAULT_MAJOR) + if (fault & VM_FAULT_MAJOR) { tsk->maj_flt++; - else + perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0, + regs, address); + } else { tsk->min_flt++; + perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0, + regs, address); + } up_read(&mm->mmap_sem); return; @@ -245,22 +269,6 @@ do_sigbus: goto no_context; } -static inline int notify_page_fault(struct pt_regs *regs, int trap) -{ - int ret = 0; - -#ifdef CONFIG_KPROBES - if (!user_mode(regs)) { - preempt_disable(); - if (kprobe_running() && kprobe_fault_handler(regs, trap)) - ret = 1; - preempt_enable(); - } -#endif - - return ret; -} - /* * Called with interrupts disabled. */ @@ -273,12 +281,7 @@ asmlinkage int __kprobes __do_page_fault(struct pt_regs *regs, pmd_t *pmd; pte_t *pte; pte_t entry; - int ret = 0; - - if (notify_page_fault(regs, lookup_exception_vector())) - goto out; - - ret = 1; + int ret = 1; /* * We don't take page faults for P1, P2, and parts of P4, these diff --git a/arch/sh/mm/tlbflush_64.c b/arch/sh/mm/tlbflush_64.c index fcbb6e1..3ce40ea 100644 --- a/arch/sh/mm/tlbflush_64.c +++ b/arch/sh/mm/tlbflush_64.c @@ -3,7 +3,7 @@ * * Copyright (C) 2000, 2001 Paolo Alberelli * Copyright (C) 2003 Richard Curnow (/proc/tlb, bug fixes) - * Copyright (C) 2003 Paul Mundt + * Copyright (C) 2003 - 2009 Paul Mundt * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive @@ -20,6 +20,7 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> +#include <linux/perf_counter.h> #include <linux/interrupt.h> #include <asm/system.h> #include <asm/io.h> @@ -115,6 +116,8 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess, /* Not an IO address, so reenable interrupts */ local_irq_enable(); + perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address); + /* * If we're in an interrupt or have no user * context, we must not take the fault.. @@ -195,10 +198,16 @@ survive: goto do_sigbus; BUG(); } - if (fault & VM_FAULT_MAJOR) + + if (fault & VM_FAULT_MAJOR) { tsk->maj_flt++; - else + perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0, + regs, address); + } else { tsk->min_flt++; + perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0, + regs, address); + } /* If we get here, the page fault has been handled. Do the TLB refill now from the newly-setup PTE, to avoid having to fault again right diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index d1430ef..738bdc6 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1913,25 +1913,26 @@ config DMAR_DEFAULT_ON recommended you say N here while the DMAR code remains experimental. -config DMAR_GFX_WA - def_bool y - prompt "Support for Graphics workaround" +config DMAR_BROKEN_GFX_WA + def_bool n + prompt "Workaround broken graphics drivers (going away soon)" depends on DMAR ---help--- Current Graphics drivers tend to use physical address for DMA and avoid using DMA APIs. Setting this config option permits the IOMMU driver to set a unity map for all the OS-visible memory. Hence the driver can continue - to use physical addresses for DMA. + to use physical addresses for DMA, at least until this + option is removed in the 2.6.32 kernel. config DMAR_FLOPPY_WA def_bool y depends on DMAR ---help--- - Floppy disk drivers are know to bypass DMA API calls + Floppy disk drivers are known to bypass DMA API calls thereby failing to work when IOMMU is enabled. This workaround will setup a 1:1 mapping for the first - 16M to make floppy (an ISA device) work. + 16MiB to make floppy (an ISA device) work. config INTR_REMAP bool "Support for Interrupt Remapping (EXPERIMENTAL)" diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index 927958d..1ff685c 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -91,7 +91,7 @@ extern void pci_iommu_alloc(void); #define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys) -#if defined(CONFIG_X86_64) || defined(CONFIG_DMA_API_DEBUG) +#if defined(CONFIG_X86_64) || defined(CONFIG_DMAR) || defined(CONFIG_DMA_API_DEBUG) #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \ dma_addr_t ADDR_NAME; diff --git a/arch/x86/include/asm/perf_counter.h b/arch/x86/include/asm/perf_counter.h index 5fb33e1..fa64e40 100644 --- a/arch/x86/include/asm/perf_counter.h +++ b/arch/x86/include/asm/perf_counter.h @@ -87,6 +87,9 @@ union cpuid10_edx { #ifdef CONFIG_PERF_COUNTERS extern void init_hw_perf_counters(void); extern void perf_counters_lapic_init(void); + +#define PERF_COUNTER_INDEX_OFFSET 0 + #else static inline void init_hw_perf_counters(void) { } static inline void perf_counters_lapic_init(void) { } diff --git a/arch/x86/include/asm/proto.h b/arch/x86/include/asm/proto.h index 49fb3ec..621f56d 100644 --- a/arch/x86/include/asm/proto.h +++ b/arch/x86/include/asm/proto.h @@ -22,7 +22,14 @@ extern int reboot_force; long do_arch_prctl(struct task_struct *task, int code, unsigned long addr); -#define round_up(x, y) (((x) + (y) - 1) & ~((y) - 1)) -#define round_down(x, y) ((x) & ~((y) - 1)) +/* + * This looks more complex than it should be. But we need to + * get the type for the ~ right in round_down (it needs to be + * as wide as the result!), and we want to evaluate the macro + * arguments just once each. + */ +#define __round_mask(x,y) ((__typeof__(x))((y)-1)) +#define round_up(x,y) ((((x)-1) | __round_mask(x,y))+1) +#define round_down(x,y) ((x) & ~__round_mask(x,y)) #endif /* _ASM_X86_PROTO_H */ diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 6c327b8..430d5b2 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -26,6 +26,8 @@ CFLAGS_tsc.o := $(nostackp) CFLAGS_paravirt.o := $(nostackp) GCOV_PROFILE_vsyscall_64.o := n GCOV_PROFILE_hpet.o := n +GCOV_PROFILE_tsc.o := n +GCOV_PROFILE_paravirt.o := n obj-y := process_$(BITS).o signal.o entry_$(BITS).o obj-y += traps.o irq.o irq_$(BITS).o dumpstack_$(BITS).o diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c index 76dfef2..d4cf4ce 100644 --- a/arch/x86/kernel/cpu/perf_counter.c +++ b/arch/x86/kernel/cpu/perf_counter.c @@ -401,7 +401,7 @@ static const u64 amd_hw_cache_event_ids [ C(RESULT_MISS) ] = 0x0041, /* Data Cache Misses */ }, [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x0042, /* Data Cache Refills from L2 */ + [ C(RESULT_ACCESS) ] = 0x0142, /* Data Cache Refills :system */ [ C(RESULT_MISS) ] = 0, }, [ C(OP_PREFETCH) ] = { @@ -912,6 +912,8 @@ x86_perf_counter_set_period(struct perf_counter *counter, err = checking_wrmsrl(hwc->counter_base + idx, (u64)(-left) & x86_pmu.counter_mask); + perf_counter_update_userpage(counter); + return ret; } @@ -969,13 +971,6 @@ fixed_mode_idx(struct perf_counter *counter, struct hw_perf_counter *hwc) if (!x86_pmu.num_counters_fixed) return -1; - /* - * Quirk, IA32_FIXED_CTRs do not work on current Atom processors: - */ - if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL && - boot_cpu_data.x86_model == 28) - return -1; - event = hwc->config & ARCH_PERFMON_EVENT_MASK; if (unlikely(event == x86_pmu.event_map(PERF_COUNT_HW_INSTRUCTIONS))) @@ -1041,6 +1036,8 @@ try_generic: x86_perf_counter_set_period(counter, hwc, idx); x86_pmu.enable(hwc, idx); + perf_counter_update_userpage(counter); + return 0; } @@ -1133,6 +1130,8 @@ static void x86_pmu_disable(struct perf_counter *counter) x86_perf_counter_update(counter, hwc, idx); cpuc->counters[idx] = NULL; clear_bit(idx, cpuc->used_mask); + + perf_counter_update_userpage(counter); } /* @@ -1428,8 +1427,6 @@ static int intel_pmu_init(void) */ x86_pmu.num_counters_fixed = max((int)edx.split.num_counters_fixed, 3); - rdmsrl(MSR_CORE_PERF_GLOBAL_CTRL, x86_pmu.intel_ctrl); - /* * Install the hw-cache-events table: */ @@ -1499,21 +1496,22 @@ void __init init_hw_perf_counters(void) pr_cont("%s PMU driver.\n", x86_pmu.name); if (x86_pmu.num_counters > X86_PMC_MAX_GENERIC) { - x86_pmu.num_counters = X86_PMC_MAX_GENERIC; WARN(1, KERN_ERR "hw perf counters %d > max(%d), clipping!", x86_pmu.num_counters, X86_PMC_MAX_GENERIC); + x86_pmu.num_counters = X86_PMC_MAX_GENERIC; } perf_counter_mask = (1 << x86_pmu.num_counters) - 1; perf_max_counters = x86_pmu.num_counters; if (x86_pmu.num_counters_fixed > X86_PMC_MAX_FIXED) { - x86_pmu.num_counters_fixed = X86_PMC_MAX_FIXED; WARN(1, KERN_ERR "hw perf counters fixed %d > max(%d), clipping!", x86_pmu.num_counters_fixed, X86_PMC_MAX_FIXED); + x86_pmu.num_counters_fixed = X86_PMC_MAX_FIXED; } perf_counter_mask |= ((1LL << x86_pmu.num_counters_fixed)-1) << X86_PMC_IDX_FIXED; + x86_pmu.intel_ctrl = perf_counter_mask; perf_counters_lapic_init(); register_die_notifier(&perf_counter_nmi_notifier); diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c index 7271fa3..c4ca89d 100644 --- a/arch/x86/kernel/e820.c +++ b/arch/x86/kernel/e820.c @@ -1383,6 +1383,8 @@ static unsigned long ram_alignment(resource_size_t pos) return 32*1024*1024; } +#define MAX_RESOURCE_SIZE ((resource_size_t)-1) + void __init e820_reserve_resources_late(void) { int i; @@ -1400,17 +1402,19 @@ void __init e820_reserve_resources_late(void) * avoid stolen RAM: */ for (i = 0; i < e820.nr_map; i++) { - struct e820entry *entry = &e820_saved.map[i]; - resource_size_t start, end; + struct e820entry *entry = &e820.map[i]; + u64 start, end; if (entry->type != E820_RAM) continue; start = entry->addr + entry->size; - end = round_up(start, ram_alignment(start)); - if (start == end) + end = round_up(start, ram_alignment(start)) - 1; + if (end > MAX_RESOURCE_SIZE) + end = MAX_RESOURCE_SIZE; + if (start >= end) continue; - reserve_region_with_split(&iomem_resource, start, - end - 1, "RAM buffer"); + reserve_region_with_split(&iomem_resource, start, end, + "RAM buffer"); } } diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 4763047..1a041bc 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -211,11 +211,11 @@ static __init int iommu_setup(char *p) #ifdef CONFIG_SWIOTLB if (!strncmp(p, "soft", 4)) swiotlb = 1; +#endif if (!strncmp(p, "pt", 2)) { iommu_pass_through = 1; return 1; } -#endif gart_parse_options(p); diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index c4378f4..b177652 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -598,6 +598,8 @@ void __init paging_init(void) sparse_memory_present_with_active_regions(MAX_NUMNODES); sparse_init(); + /* clear the default setting with node 0 */ + nodes_clear(node_states[N_NORMAL_MEMORY]); free_area_init_nodes(max_zone_pfns); } diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index b26626d..1014eb4 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -68,6 +68,10 @@ setup_resource(struct acpi_resource *acpi_res, void *data) unsigned long flags; struct resource *root; int max_root_bus_resources = PCI_BUS_NUM_RESOURCES; + u64 start, end; + + if (bus_has_transparent_bridge(info->bus)) + max_root_bus_resources -= 3; status = resource_to_addr(acpi_res, &addr); if (!ACPI_SUCCESS(status)) @@ -84,25 +88,24 @@ setup_resource(struct acpi_resource *acpi_res, void *data) } else return AE_OK; - res = &info->res[info->res_num]; - res->name = info->name; - res->flags = flags; - res->start = addr.minimum + addr.translation_offset; - res->end = res->start + addr.address_length - 1; - res->child = NULL; - - if (bus_has_transparent_bridge(info->bus)) - max_root_bus_resources -= 3; + start = addr.minimum + addr.translation_offset; + end = start + addr.address_length - 1; if (info->res_num >= max_root_bus_resources) { printk(KERN_WARNING "PCI: Failed to allocate 0x%lx-0x%lx " "from %s for %s due to _CRS returning more than " - "%d resource descriptors\n", (unsigned long) res->start, - (unsigned long) res->end, root->name, info->name, + "%d resource descriptors\n", (unsigned long) start, + (unsigned long) end, root->name, info->name, max_root_bus_resources); - info->res_num++; return AE_OK; } + res = &info->res[info->res_num]; + res->name = info->name; + res->flags = flags; + res->start = start; + res->end = end; + res->child = NULL; + if (insert_resource(root, res)) { printk(KERN_ERR "PCI: Failed to allocate 0x%lx-0x%lx " "from %s for %s\n", (unsigned long) res->start, @@ -115,23 +118,6 @@ setup_resource(struct acpi_resource *acpi_res, void *data) } static void -adjust_transparent_bridge_resources(struct pci_bus *bus) -{ - struct pci_dev *dev; - - list_for_each_entry(dev, &bus->devices, bus_list) { - int i; - u16 class = dev->class >> 8; - - if (class == PCI_CLASS_BRIDGE_PCI && dev->transparent) { - for(i = 3; i < PCI_BUS_NUM_RESOURCES; i++) - dev->subordinate->resource[i] = - dev->bus->resource[i - 3]; - } - } -} - -static void get_current_resources(struct acpi_device *device, int busnum, int domain, struct pci_bus *bus) { @@ -158,8 +144,6 @@ get_current_resources(struct acpi_device *device, int busnum, info.res_num = 0; acpi_walk_resources(device->handle, METHOD_NAME__CRS, setup_resource, &info); - if (info.res_num) - adjust_transparent_bridge_resources(bus); return; @@ -222,8 +206,15 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do */ memcpy(bus->sysdata, sd, sizeof(*sd)); kfree(sd); - } else - bus = pci_scan_bus_parented(NULL, busnum, &pci_root_ops, sd); + } else { + bus = pci_create_bus(NULL, busnum, &pci_root_ops, sd); + if (bus) { + if (pci_probe & PCI_USE__CRS) + get_current_resources(device, busnum, domain, + bus); + bus->subordinate = pci_scan_child_bus(bus); + } + } if (!bus) kfree(sd); @@ -238,8 +229,6 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do #endif } - if (bus && (pci_probe & PCI_USE__CRS)) - get_current_resources(device, busnum, domain, bus); return bus; } diff --git a/arch/x86/pci/amd_bus.c b/arch/x86/pci/amd_bus.c index f893d6a..3ffa10d 100644 --- a/arch/x86/pci/amd_bus.c +++ b/arch/x86/pci/amd_bus.c @@ -100,8 +100,9 @@ void x86_pci_root_bus_res_quirks(struct pci_bus *b) int j; struct pci_root_info *info; - /* don't go for it if _CRS is used */ - if (pci_probe & PCI_USE__CRS) + /* don't go for it if _CRS is used already */ + if (b->resource[0] != &ioport_resource || + b->resource[1] != &iomem_resource) return; /* if only one root bus, don't need to anything */ @@ -116,6 +117,9 @@ void x86_pci_root_bus_res_quirks(struct pci_bus *b) if (i == pci_root_num) return; + printk(KERN_DEBUG "PCI: peer root bus %02x res updated from pci conf\n", + b->number); + info = &pci_root_info[i]; for (j = 0; j < info->res_num; j++) { struct resource *res; diff --git a/block/Makefile b/block/Makefile index e9fa4dd..6c54ed0 100644 --- a/block/Makefile +++ b/block/Makefile @@ -5,7 +5,7 @@ obj-$(CONFIG_BLOCK) := elevator.o blk-core.o blk-tag.o blk-sysfs.o \ blk-barrier.o blk-settings.o blk-ioc.o blk-map.o \ blk-exec.o blk-merge.o blk-softirq.o blk-timeout.o \ - ioctl.o genhd.o scsi_ioctl.o cmd-filter.o + ioctl.o genhd.o scsi_ioctl.o obj-$(CONFIG_BLK_DEV_BSG) += bsg.o obj-$(CONFIG_IOSCHED_NOOP) += noop-iosched.o diff --git a/block/blk-core.c b/block/blk-core.c index b06cf5c..4b45435 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -595,8 +595,6 @@ blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id) q->sg_reserved_size = INT_MAX; - blk_set_cmd_filter_defaults(&q->cmd_filter); - /* * all done */ @@ -1172,6 +1170,11 @@ static int __make_request(struct request_queue *q, struct bio *bio) const int unplug = bio_unplug(bio); int rw_flags; + if (bio_barrier(bio) && bio_has_data(bio) && + (q->next_ordered == QUEUE_ORDERED_NONE)) { + bio_endio(bio, -EOPNOTSUPP); + return 0; + } /* * low level driver can indicate that it wants pages above a * certain limit bounced to low memory (ie for highmem, or even @@ -1472,11 +1475,6 @@ static inline void __generic_make_request(struct bio *bio) err = -EOPNOTSUPP; goto end_io; } - if (bio_barrier(bio) && bio_has_data(bio) && - (q->next_ordered == QUEUE_ORDERED_NONE)) { - err = -EOPNOTSUPP; - goto end_io; - } ret = q->make_request_fn(q, bio); } while (ret); @@ -2365,7 +2363,7 @@ int blk_rq_prep_clone(struct request *rq, struct request *rq_src, __bio_clone(bio, bio_src); if (bio_integrity(bio_src) && - bio_integrity_clone(bio, bio_src, gfp_mask)) + bio_integrity_clone(bio, bio_src, gfp_mask, bs)) goto free_and_out; if (bio_ctr && bio_ctr(bio, bio_src, data)) diff --git a/block/blk-merge.c b/block/blk-merge.c index 39ce644..e199967 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -350,6 +350,12 @@ static int attempt_merge(struct request_queue *q, struct request *req, if (blk_integrity_rq(req) != blk_integrity_rq(next)) return 0; + /* don't merge requests of different failfast settings */ + if (blk_failfast_dev(req) != blk_failfast_dev(next) || + blk_failfast_transport(req) != blk_failfast_transport(next) || + blk_failfast_driver(req) != blk_failfast_driver(next)) + return 0; + /* * If we are allowed to merge, then append bio list * from next to rq and release next. merge_requests_fn diff --git a/block/bsg.c b/block/bsg.c index e7d4752..5f184bb 100644 --- a/block/bsg.c +++ b/block/bsg.c @@ -186,7 +186,7 @@ static int blk_fill_sgv4_hdr_rq(struct request_queue *q, struct request *rq, return -EFAULT; if (hdr->subprotocol == BSG_SUB_PROTOCOL_SCSI_CMD) { - if (blk_verify_command(&q->cmd_filter, rq->cmd, has_write_perm)) + if (blk_verify_command(rq->cmd, has_write_perm)) return -EPERM; } else if (!capable(CAP_SYS_RAWIO)) return -EPERM; diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 833ec18..87276eb 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -71,6 +71,51 @@ struct cfq_rb_root { #define CFQ_RB_ROOT (struct cfq_rb_root) { RB_ROOT, NULL, } /* + * Per process-grouping structure + */ +struct cfq_queue { + /* reference count */ + atomic_t ref; + /* various state flags, see below */ + unsigned int flags; + /* parent cfq_data */ + struct cfq_data *cfqd; + /* service_tree member */ + struct rb_node rb_node; + /* service_tree key */ + unsigned long rb_key; + /* prio tree member */ + struct rb_node p_node; + /* prio tree root we belong to, if any */ + struct rb_root *p_root; + /* sorted list of pending requests */ + struct rb_root sort_list; + /* if fifo isn't expired, next request to serve */ + struct request *next_rq; + /* requests queued in sort_list */ + int queued[2]; + /* currently allocated requests */ + int allocated[2]; + /* fifo list of requests in sort_list */ + struct list_head fifo; + + unsigned long slice_end; + long slice_resid; + unsigned int slice_dispatch; + + /* pending metadata requests */ + int meta_pending; + /* number of requests that are on the dispatch list or inside driver */ + int dispatched; + + /* io prio of this group */ + unsigned short ioprio, org_ioprio; + unsigned short ioprio_class, org_ioprio_class; + + pid_t pid; +}; + +/* * Per block device queue structure */ struct cfq_data { @@ -135,51 +180,11 @@ struct cfq_data { unsigned int cfq_slice_idle; struct list_head cic_list; -}; - -/* - * Per process-grouping structure - */ -struct cfq_queue { - /* reference count */ - atomic_t ref; - /* various state flags, see below */ - unsigned int flags; - /* parent cfq_data */ - struct cfq_data *cfqd; - /* service_tree member */ - struct rb_node rb_node; - /* service_tree key */ - unsigned long rb_key; - /* prio tree member */ - struct rb_node p_node; - /* prio tree root we belong to, if any */ - struct rb_root *p_root; - /* sorted list of pending requests */ - struct rb_root sort_list; - /* if fifo isn't expired, next request to serve */ - struct request *next_rq; - /* requests queued in sort_list */ - int queued[2]; - /* currently allocated requests */ - int allocated[2]; - /* fifo list of requests in sort_list */ - struct list_head fifo; - unsigned long slice_end; - long slice_resid; - unsigned int slice_dispatch; - - /* pending metadata requests */ - int meta_pending; - /* number of requests that are on the dispatch list or inside driver */ - int dispatched; - - /* io prio of this group */ - unsigned short ioprio, org_ioprio; - unsigned short ioprio_class, org_ioprio_class; - - pid_t pid; + /* + * Fallback dummy cfqq for extreme OOM conditions + */ + struct cfq_queue oom_cfqq; }; enum cfqq_state_flags { @@ -1641,6 +1646,26 @@ static void cfq_ioc_set_ioprio(struct io_context *ioc) ioc->ioprio_changed = 0; } +static void cfq_init_cfqq(struct cfq_data *cfqd, struct cfq_queue *cfqq, + pid_t pid, int is_sync) +{ + RB_CLEAR_NODE(&cfqq->rb_node); + RB_CLEAR_NODE(&cfqq->p_node); + INIT_LIST_HEAD(&cfqq->fifo); + + atomic_set(&cfqq->ref, 0); + cfqq->cfqd = cfqd; + + cfq_mark_cfqq_prio_changed(cfqq); + + if (is_sync) { + if (!cfq_class_idle(cfqq)) + cfq_mark_cfqq_idle_window(cfqq); + cfq_mark_cfqq_sync(cfqq); + } + cfqq->pid = pid; +} + static struct cfq_queue * cfq_find_alloc_queue(struct cfq_data *cfqd, int is_sync, struct io_context *ioc, gfp_t gfp_mask) @@ -1653,56 +1678,40 @@ retry: /* cic always exists here */ cfqq = cic_to_cfqq(cic, is_sync); - if (!cfqq) { + /* + * Always try a new alloc if we fell back to the OOM cfqq + * originally, since it should just be a temporary situation. + */ + if (!cfqq || cfqq == &cfqd->oom_cfqq) { + cfqq = NULL; if (new_cfqq) { cfqq = new_cfqq; new_cfqq = NULL; } else if (gfp_mask & __GFP_WAIT) { - /* - * Inform the allocator of the fact that we will - * just repeat this allocation if it fails, to allow - * the allocator to do whatever it needs to attempt to - * free memory. - */ spin_unlock_irq(cfqd->queue->queue_lock); new_cfqq = kmem_cache_alloc_node(cfq_pool, - gfp_mask | __GFP_NOFAIL | __GFP_ZERO, + gfp_mask | __GFP_ZERO, cfqd->queue->node); spin_lock_irq(cfqd->queue->queue_lock); - goto retry; + if (new_cfqq) + goto retry; } else { cfqq = kmem_cache_alloc_node(cfq_pool, gfp_mask | __GFP_ZERO, cfqd->queue->node); - if (!cfqq) - goto out; } - RB_CLEAR_NODE(&cfqq->rb_node); - RB_CLEAR_NODE(&cfqq->p_node); - INIT_LIST_HEAD(&cfqq->fifo); - - atomic_set(&cfqq->ref, 0); - cfqq->cfqd = cfqd; - - cfq_mark_cfqq_prio_changed(cfqq); - - cfq_init_prio_data(cfqq, ioc); - - if (is_sync) { - if (!cfq_class_idle(cfqq)) - cfq_mark_cfqq_idle_window(cfqq); - cfq_mark_cfqq_sync(cfqq); - } - cfqq->pid = current->pid; - cfq_log_cfqq(cfqd, cfqq, "alloced"); + if (cfqq) { + cfq_init_cfqq(cfqd, cfqq, current->pid, is_sync); + cfq_init_prio_data(cfqq, ioc); + cfq_log_cfqq(cfqd, cfqq, "alloced"); + } else + cfqq = &cfqd->oom_cfqq; } if (new_cfqq) kmem_cache_free(cfq_pool, new_cfqq); -out: - WARN_ON((gfp_mask & __GFP_WAIT) && !cfqq); return cfqq; } @@ -1735,11 +1744,8 @@ cfq_get_queue(struct cfq_data *cfqd, int is_sync, struct io_context *ioc, cfqq = *async_cfqq; } - if (!cfqq) { + if (!cfqq) cfqq = cfq_find_alloc_queue(cfqd, is_sync, ioc, gfp_mask); - if (!cfqq) - return NULL; - } /* * pin the queue now that it's allocated, scheduler exit will prune it @@ -2307,10 +2313,6 @@ cfq_set_request(struct request_queue *q, struct request *rq, gfp_t gfp_mask) cfqq = cic_to_cfqq(cic, is_sync); if (!cfqq) { cfqq = cfq_get_queue(cfqd, is_sync, cic->ioc, gfp_mask); - - if (!cfqq) - goto queue_fail; - cic_set_cfqq(cic, cfqq, is_sync); } @@ -2465,6 +2467,14 @@ static void *cfq_init_queue(struct request_queue *q) for (i = 0; i < CFQ_PRIO_LISTS; i++) cfqd->prio_trees[i] = RB_ROOT; + /* + * Our fallback cfqq if cfq_find_alloc_queue() runs into OOM issues. + * Grab a permanent reference to it, so that the normal code flow + * will not attempt to free it. + */ + cfq_init_cfqq(cfqd, &cfqd->oom_cfqq, 1, 0); + atomic_inc(&cfqd->oom_cfqq.ref); + INIT_LIST_HEAD(&cfqd->cic_list); cfqd->queue = q; diff --git a/block/cmd-filter.c b/block/cmd-filter.c deleted file mode 100644 index 572bbc2..0000000 --- a/block/cmd-filter.c +++ /dev/null @@ -1,233 +0,0 @@ -/* - * Copyright 2004 Peter M. Jones <pjones@redhat.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public Licens - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111- - * - */ - -#include <linux/list.h> -#include <linux/genhd.h> -#include <linux/spinlock.h> -#include <linux/capability.h> -#include <linux/bitops.h> -#include <linux/blkdev.h> - -#include <scsi/scsi.h> -#include <linux/cdrom.h> - -int blk_verify_command(struct blk_cmd_filter *filter, - unsigned char *cmd, fmode_t has_write_perm) -{ - /* root can do any command. */ - if (capable(CAP_SYS_RAWIO)) - return 0; - - /* if there's no filter set, assume we're filtering everything out */ - if (!filter) - return -EPERM; - - /* Anybody who can open the device can do a read-safe command */ - if (test_bit(cmd[0], filter->read_ok)) - return 0; - - /* Write-safe commands require a writable open */ - if (test_bit(cmd[0], filter->write_ok) && has_write_perm) - return 0; - - return -EPERM; -} -EXPORT_SYMBOL(blk_verify_command); - -#if 0 -/* and now, the sysfs stuff */ -static ssize_t rcf_cmds_show(struct blk_cmd_filter *filter, char *page, - int rw) -{ - char *npage = page; - unsigned long *okbits; - int i; - - if (rw == READ) - okbits = filter->read_ok; - else - okbits = filter->write_ok; - - for (i = 0; i < BLK_SCSI_MAX_CMDS; i++) { - if (test_bit(i, okbits)) { - npage += sprintf(npage, "0x%02x", i); - if (i < BLK_SCSI_MAX_CMDS - 1) - sprintf(npage++, " "); - } - } - - if (npage != page) - npage += sprintf(npage, "\n"); - - return npage - page; -} - -static ssize_t rcf_readcmds_show(struct blk_cmd_filter *filter, char *page) -{ - return rcf_cmds_show(filter, page, READ); -} - -static ssize_t rcf_writecmds_show(struct blk_cmd_filter *filter, - char *page) -{ - return rcf_cmds_show(filter, page, WRITE); -} - -static ssize_t rcf_cmds_store(struct blk_cmd_filter *filter, - const char *page, size_t count, int rw) -{ - unsigned long okbits[BLK_SCSI_CMD_PER_LONG], *target_okbits; - int cmd, set; - char *p, *status; - - if (rw == READ) { - memcpy(&okbits, filter->read_ok, sizeof(okbits)); - target_okbits = filter->read_ok; - } else { - memcpy(&okbits, filter->write_ok, sizeof(okbits)); - target_okbits = filter->write_ok; - } - - while ((p = strsep((char **)&page, " ")) != NULL) { - set = 1; - - if (p[0] == '+') { - p++; - } else if (p[0] == '-') { - set = 0; - p++; - } - - cmd = simple_strtol(p, &status, 16); - - /* either of these cases means invalid input, so do nothing. */ - if ((status == p) || cmd >= BLK_SCSI_MAX_CMDS) - return -EINVAL; - - if (set) - __set_bit(cmd, okbits); - else - __clear_bit(cmd, okbits); - } - - memcpy(target_okbits, okbits, sizeof(okbits)); - return count; -} - -static ssize_t rcf_readcmds_store(struct blk_cmd_filter *filter, - const char *page, size_t count) -{ - return rcf_cmds_store(filter, page, count, READ); -} - -static ssize_t rcf_writecmds_store(struct blk_cmd_filter *filter, - const char *page, size_t count) -{ - return rcf_cmds_store(filter, page, count, WRITE); -} - -struct rcf_sysfs_entry { - struct attribute attr; - ssize_t (*show)(struct blk_cmd_filter *, char *); - ssize_t (*store)(struct blk_cmd_filter *, const char *, size_t); -}; - -static struct rcf_sysfs_entry rcf_readcmds_entry = { - .attr = { .name = "read_table", .mode = S_IRUGO | S_IWUSR }, - .show = rcf_readcmds_show, - .store = rcf_readcmds_store, -}; - -static struct rcf_sysfs_entry rcf_writecmds_entry = { - .attr = {.name = "write_table", .mode = S_IRUGO | S_IWUSR }, - .show = rcf_writecmds_show, - .store = rcf_writecmds_store, -}; - -static struct attribute *default_attrs[] = { - &rcf_readcmds_entry.attr, - &rcf_writecmds_entry.attr, - NULL, -}; - -#define to_rcf(atr) container_of((atr), struct rcf_sysfs_entry, attr) - -static ssize_t -rcf_attr_show(struct kobject *kobj, struct attribute *attr, char *page) -{ - struct rcf_sysfs_entry *entry = to_rcf(attr); - struct blk_cmd_filter *filter; - - filter = container_of(kobj, struct blk_cmd_filter, kobj); - if (entry->show) - return entry->show(filter, page); - - return 0; -} - -static ssize_t -rcf_attr_store(struct kobject *kobj, struct attribute *attr, - const char *page, size_t length) -{ - struct rcf_sysfs_entry *entry = to_rcf(attr); - struct blk_cmd_filter *filter; - - if (!capable(CAP_SYS_RAWIO)) - return -EPERM; - - if (!entry->store) - return -EINVAL; - - filter = container_of(kobj, struct blk_cmd_filter, kobj); - return entry->store(filter, page, length); -} - -static struct sysfs_ops rcf_sysfs_ops = { - .show = rcf_attr_show, - .store = rcf_attr_store, -}; - -static struct kobj_type rcf_ktype = { - .sysfs_ops = &rcf_sysfs_ops, - .default_attrs = default_attrs, -}; - -int blk_register_filter(struct gendisk *disk) -{ - int ret; - struct blk_cmd_filter *filter = &disk->queue->cmd_filter; - - ret = kobject_init_and_add(&filter->kobj, &rcf_ktype, - &disk_to_dev(disk)->kobj, - "%s", "cmd_filter"); - if (ret < 0) - return ret; - - return 0; -} -EXPORT_SYMBOL(blk_register_filter); - -void blk_unregister_filter(struct gendisk *disk) -{ - struct blk_cmd_filter *filter = &disk->queue->cmd_filter; - - kobject_put(&filter->kobj); -} -EXPORT_SYMBOL(blk_unregister_filter); -#endif diff --git a/block/elevator.c b/block/elevator.c index ca86192..6f23753 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -100,6 +100,14 @@ int elv_rq_merge_ok(struct request *rq, struct bio *bio) if (bio_integrity(bio) != blk_integrity_rq(rq)) return 0; + /* + * Don't merge if failfast settings don't match + */ + if (bio_failfast_dev(bio) != blk_failfast_dev(rq) || + bio_failfast_transport(bio) != blk_failfast_transport(rq) || + bio_failfast_driver(bio) != blk_failfast_driver(rq)) + return 0; + if (!elv_iosched_allow_merge(rq, bio)) return 0; diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index 5f8e798..f0e0ce0 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -32,6 +32,11 @@ #include <scsi/scsi_ioctl.h> #include <scsi/scsi_cmnd.h> +struct blk_cmd_filter { + unsigned long read_ok[BLK_SCSI_CMD_PER_LONG]; + unsigned long write_ok[BLK_SCSI_CMD_PER_LONG]; +} blk_default_cmd_filter; + /* Command group 3 is reserved and should never be used. */ const unsigned char scsi_command_size_tbl[8] = { @@ -105,7 +110,7 @@ static int sg_emulated_host(struct request_queue *q, int __user *p) return put_user(1, p); } -void blk_set_cmd_filter_defaults(struct blk_cmd_filter *filter) +static void blk_set_cmd_filter_defaults(struct blk_cmd_filter *filter) { /* Basic read-only commands */ __set_bit(TEST_UNIT_READY, filter->read_ok); @@ -187,14 +192,37 @@ void blk_set_cmd_filter_defaults(struct blk_cmd_filter *filter) __set_bit(GPCMD_SET_STREAMING, filter->write_ok); __set_bit(GPCMD_SET_READ_AHEAD, filter->write_ok); } -EXPORT_SYMBOL_GPL(blk_set_cmd_filter_defaults); + +int blk_verify_command(unsigned char *cmd, fmode_t has_write_perm) +{ + struct blk_cmd_filter *filter = &blk_default_cmd_filter; + + /* root can do any command. */ + if (capable(CAP_SYS_RAWIO)) + return 0; + + /* if there's no filter set, assume we're filtering everything out */ + if (!filter) + return -EPERM; + + /* Anybody who can open the device can do a read-safe command */ + if (test_bit(cmd[0], filter->read_ok)) + return 0; + + /* Write-safe commands require a writable open */ + if (test_bit(cmd[0], filter->write_ok) && has_write_perm) + return 0; + + return -EPERM; +} +EXPORT_SYMBOL(blk_verify_command); static int blk_fill_sghdr_rq(struct request_queue *q, struct request *rq, struct sg_io_hdr *hdr, fmode_t mode) { if (copy_from_user(rq->cmd, hdr->cmdp, hdr->cmd_len)) return -EFAULT; - if (blk_verify_command(&q->cmd_filter, rq->cmd, mode & FMODE_WRITE)) + if (blk_verify_command(rq->cmd, mode & FMODE_WRITE)) return -EPERM; /* @@ -427,7 +455,7 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode, if (in_len && copy_from_user(buffer, sic->data + cmdlen, in_len)) goto error; - err = blk_verify_command(&q->cmd_filter, rq->cmd, mode & FMODE_WRITE); + err = blk_verify_command(rq->cmd, mode & FMODE_WRITE); if (err) goto error; @@ -645,5 +673,10 @@ int scsi_cmd_ioctl(struct request_queue *q, struct gendisk *bd_disk, fmode_t mod blk_put_queue(q); return err; } - EXPORT_SYMBOL(scsi_cmd_ioctl); + +int __init blk_scsi_ioctl_init(void) +{ + blk_set_cmd_filter_defaults(&blk_default_cmd_filter); + return 0; +} diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c index 3d763fd..2466506 100644 --- a/drivers/amba/bus.c +++ b/drivers/amba/bus.c @@ -207,6 +207,16 @@ int amba_device_register(struct amba_device *dev, struct resource *parent) void __iomem *tmp; int i, ret; + device_initialize(&dev->dev); + + /* + * Copy from device_add + */ + if (dev->dev.init_name) { + dev_set_name(&dev->dev, "%s", dev->dev.init_name); + dev->dev.init_name = NULL; + } + dev->dev.release = amba_device_release; dev->dev.bus = &amba_bustype; dev->dev.dma_mask = &dev->dma_mask; @@ -240,7 +250,7 @@ int amba_device_register(struct amba_device *dev, struct resource *parent) goto err_release; } - ret = device_register(&dev->dev); + ret = device_add(&dev->dev); if (ret) goto err_release; diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index c7a527c..65a0655 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -226,8 +226,18 @@ static inline void addQ(struct hlist_head *list, CommandList_struct *c) static inline void removeQ(CommandList_struct *c) { - if (WARN_ON(hlist_unhashed(&c->list))) + /* + * After kexec/dump some commands might still + * be in flight, which the firmware will try + * to complete. Resetting the firmware doesn't work + * with old fw revisions, so we have to mark + * them off as 'stale' to prevent the driver from + * falling over. + */ + if (WARN_ON(hlist_unhashed(&c->list))) { + c->cmd_type = CMD_MSG_STALE; return; + } hlist_del_init(&c->list); } @@ -4246,7 +4256,8 @@ static void fail_all_cmds(unsigned long ctlr) while (!hlist_empty(&h->cmpQ)) { c = hlist_entry(h->cmpQ.first, CommandList_struct, list); removeQ(c); - c->err_info->CommandStatus = CMD_HARDWARE_ERR; + if (c->cmd_type != CMD_MSG_STALE) + c->err_info->CommandStatus = CMD_HARDWARE_ERR; if (c->cmd_type == CMD_RWREQ) { complete_command(h, c, 0); } else if (c->cmd_type == CMD_IOCTL_PEND) diff --git a/drivers/block/cciss_cmd.h b/drivers/block/cciss_cmd.h index cd665b0..dbaed1e 100644 --- a/drivers/block/cciss_cmd.h +++ b/drivers/block/cciss_cmd.h @@ -274,6 +274,7 @@ typedef struct _ErrorInfo_struct { #define CMD_SCSI 0x03 #define CMD_MSG_DONE 0x04 #define CMD_MSG_TIMEOUT 0x05 +#define CMD_MSG_STALE 0xff /* This structure needs to be divisible by 8 for new * indexing method. diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 862b40c..91b7530 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -3327,7 +3327,10 @@ static inline int set_geometry(unsigned int cmd, struct floppy_struct *g, if (!capable(CAP_SYS_ADMIN)) return -EPERM; mutex_lock(&open_lock); - LOCK_FDC(drive, 1); + if (lock_fdc(drive, 1)) { + mutex_unlock(&open_lock); + return -EINTR; + } floppy_type[type] = *g; floppy_type[type].name = "user format"; for (cnt = type << 2; cnt < (type << 2) + 4; cnt++) diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 0bd01f4..6a06913 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -1029,10 +1029,6 @@ config CS5535_GPIO If compiled as a module, it will be called cs5535_gpio. -config GPIO_VR41XX - tristate "NEC VR4100 series General-purpose I/O Unit support" - depends on CPU_VR41XX - config RAW_DRIVER tristate "RAW driver (/dev/raw/rawN)" depends on BLOCK diff --git a/drivers/char/Makefile b/drivers/char/Makefile index 189efcf..66f779a 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -95,7 +95,6 @@ obj-$(CONFIG_SCx200_GPIO) += scx200_gpio.o obj-$(CONFIG_PC8736x_GPIO) += pc8736x_gpio.o obj-$(CONFIG_NSC_GPIO) += nsc_gpio.o obj-$(CONFIG_CS5535_GPIO) += cs5535_gpio.o -obj-$(CONFIG_GPIO_VR41XX) += vr41xx_giu.o obj-$(CONFIG_GPIO_TB0219) += tb0219.o obj-$(CONFIG_TELCLOCK) += tlclk.o diff --git a/drivers/char/tb0219.c b/drivers/char/tb0219.c index 6062b62..b3ec9b1 100644 --- a/drivers/char/tb0219.c +++ b/drivers/char/tb0219.c @@ -1,7 +1,7 @@ /* * Driver for TANBAC TB0219 base board. * - * Copyright (C) 2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2005 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -28,7 +28,7 @@ #include <asm/vr41xx/giu.h> #include <asm/vr41xx/tb0219.h> -MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>"); +MODULE_AUTHOR("Yoichi Yuasa <yuasa@linux-mips.org>"); MODULE_DESCRIPTION("TANBAC TB0219 base board driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/char/vr41xx_giu.c b/drivers/char/vr41xx_giu.c index 54c8372..e69de29 100644 --- a/drivers/char/vr41xx_giu.c +++ b/drivers/char/vr41xx_giu.c @@ -1,680 +0,0 @@ -/* - * Driver for NEC VR4100 series General-purpose I/O Unit. - * - * Copyright (C) 2002 MontaVista Software Inc. - * Author: Yoichi Yuasa <yyuasa@mvista.com or source@mvista.com> - * Copyright (C) 2003-2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/smp_lock.h> -#include <linux/spinlock.h> -#include <linux/types.h> - -#include <asm/io.h> -#include <asm/vr41xx/giu.h> -#include <asm/vr41xx/irq.h> -#include <asm/vr41xx/vr41xx.h> - -MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>"); -MODULE_DESCRIPTION("NEC VR4100 series General-purpose I/O Unit driver"); -MODULE_LICENSE("GPL"); - -static int major; /* default is dynamic major device number */ -module_param(major, int, 0); -MODULE_PARM_DESC(major, "Major device number"); - -#define GIUIOSELL 0x00 -#define GIUIOSELH 0x02 -#define GIUPIODL 0x04 -#define GIUPIODH 0x06 -#define GIUINTSTATL 0x08 -#define GIUINTSTATH 0x0a -#define GIUINTENL 0x0c -#define GIUINTENH 0x0e -#define GIUINTTYPL 0x10 -#define GIUINTTYPH 0x12 -#define GIUINTALSELL 0x14 -#define GIUINTALSELH 0x16 -#define GIUINTHTSELL 0x18 -#define GIUINTHTSELH 0x1a -#define GIUPODATL 0x1c -#define GIUPODATEN 0x1c -#define GIUPODATH 0x1e - #define PIOEN0 0x0100 - #define PIOEN1 0x0200 -#define GIUPODAT 0x1e -#define GIUFEDGEINHL 0x20 -#define GIUFEDGEINHH 0x22 -#define GIUREDGEINHL 0x24 -#define GIUREDGEINHH 0x26 - -#define GIUUSEUPDN 0x1e0 -#define GIUTERMUPDN 0x1e2 - -#define GPIO_HAS_PULLUPDOWN_IO 0x0001 -#define GPIO_HAS_OUTPUT_ENABLE 0x0002 -#define GPIO_HAS_INTERRUPT_EDGE_SELECT 0x0100 - -static spinlock_t giu_lock; -static unsigned long giu_flags; -static unsigned int giu_nr_pins; - -static void __iomem *giu_base; - -#define giu_read(offset) readw(giu_base + (offset)) -#define giu_write(offset, value) writew((value), giu_base + (offset)) - -#define GPIO_PIN_OF_IRQ(irq) ((irq) - GIU_IRQ_BASE) -#define GIUINT_HIGH_OFFSET 16 -#define GIUINT_HIGH_MAX 32 - -static inline uint16_t giu_set(uint16_t offset, uint16_t set) -{ - uint16_t data; - - data = giu_read(offset); - data |= set; - giu_write(offset, data); - - return data; -} - -static inline uint16_t giu_clear(uint16_t offset, uint16_t clear) -{ - uint16_t data; - - data = giu_read(offset); - data &= ~clear; - giu_write(offset, data); - - return data; -} - -static void ack_giuint_low(unsigned int irq) -{ - giu_write(GIUINTSTATL, 1 << GPIO_PIN_OF_IRQ(irq)); -} - -static void mask_giuint_low(unsigned int irq) -{ - giu_clear(GIUINTENL, 1 << GPIO_PIN_OF_IRQ(irq)); -} - -static void mask_ack_giuint_low(unsigned int irq) -{ - unsigned int pin; - - pin = GPIO_PIN_OF_IRQ(irq); - giu_clear(GIUINTENL, 1 << pin); - giu_write(GIUINTSTATL, 1 << pin); -} - -static void unmask_giuint_low(unsigned int irq) -{ - giu_set(GIUINTENL, 1 << GPIO_PIN_OF_IRQ(irq)); -} - -static struct irq_chip giuint_low_irq_chip = { - .name = "GIUINTL", - .ack = ack_giuint_low, - .mask = mask_giuint_low, - .mask_ack = mask_ack_giuint_low, - .unmask = unmask_giuint_low, -}; - -static void ack_giuint_high(unsigned int irq) -{ - giu_write(GIUINTSTATH, 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET)); -} - -static void mask_giuint_high(unsigned int irq) -{ - giu_clear(GIUINTENH, 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET)); -} - -static void mask_ack_giuint_high(unsigned int irq) -{ - unsigned int pin; - - pin = GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET; - giu_clear(GIUINTENH, 1 << pin); - giu_write(GIUINTSTATH, 1 << pin); -} - -static void unmask_giuint_high(unsigned int irq) -{ - giu_set(GIUINTENH, 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET)); -} - -static struct irq_chip giuint_high_irq_chip = { - .name = "GIUINTH", - .ack = ack_giuint_high, - .mask = mask_giuint_high, - .mask_ack = mask_ack_giuint_high, - .unmask = unmask_giuint_high, -}; - -static int giu_get_irq(unsigned int irq) -{ - uint16_t pendl, pendh, maskl, maskh; - int i; - - pendl = giu_read(GIUINTSTATL); - pendh = giu_read(GIUINTSTATH); - maskl = giu_read(GIUINTENL); - maskh = giu_read(GIUINTENH); - - maskl &= pendl; - maskh &= pendh; - - if (maskl) { - for (i = 0; i < 16; i++) { - if (maskl & (1 << i)) - return GIU_IRQ(i); - } - } else if (maskh) { - for (i = 0; i < 16; i++) { - if (maskh & (1 << i)) - return GIU_IRQ(i + GIUINT_HIGH_OFFSET); - } - } - - printk(KERN_ERR "spurious GIU interrupt: %04x(%04x),%04x(%04x)\n", - maskl, pendl, maskh, pendh); - - atomic_inc(&irq_err_count); - - return -EINVAL; -} - -void vr41xx_set_irq_trigger(unsigned int pin, irq_trigger_t trigger, irq_signal_t signal) -{ - uint16_t mask; - - if (pin < GIUINT_HIGH_OFFSET) { - mask = 1 << pin; - if (trigger != IRQ_TRIGGER_LEVEL) { - giu_set(GIUINTTYPL, mask); - if (signal == IRQ_SIGNAL_HOLD) - giu_set(GIUINTHTSELL, mask); - else - giu_clear(GIUINTHTSELL, mask); - if (giu_flags & GPIO_HAS_INTERRUPT_EDGE_SELECT) { - switch (trigger) { - case IRQ_TRIGGER_EDGE_FALLING: - giu_set(GIUFEDGEINHL, mask); - giu_clear(GIUREDGEINHL, mask); - break; - case IRQ_TRIGGER_EDGE_RISING: - giu_clear(GIUFEDGEINHL, mask); - giu_set(GIUREDGEINHL, mask); - break; - default: - giu_set(GIUFEDGEINHL, mask); - giu_set(GIUREDGEINHL, mask); - break; - } - } - set_irq_chip_and_handler(GIU_IRQ(pin), - &giuint_low_irq_chip, - handle_edge_irq); - } else { - giu_clear(GIUINTTYPL, mask); - giu_clear(GIUINTHTSELL, mask); - set_irq_chip_and_handler(GIU_IRQ(pin), - &giuint_low_irq_chip, - handle_level_irq); - } - giu_write(GIUINTSTATL, mask); - } else if (pin < GIUINT_HIGH_MAX) { - mask = 1 << (pin - GIUINT_HIGH_OFFSET); - if (trigger != IRQ_TRIGGER_LEVEL) { - giu_set(GIUINTTYPH, mask); - if (signal == IRQ_SIGNAL_HOLD) - giu_set(GIUINTHTSELH, mask); - else - giu_clear(GIUINTHTSELH, mask); - if (giu_flags & GPIO_HAS_INTERRUPT_EDGE_SELECT) { - switch (trigger) { - case IRQ_TRIGGER_EDGE_FALLING: - giu_set(GIUFEDGEINHH, mask); - giu_clear(GIUREDGEINHH, mask); - break; - case IRQ_TRIGGER_EDGE_RISING: - giu_clear(GIUFEDGEINHH, mask); - giu_set(GIUREDGEINHH, mask); - break; - default: - giu_set(GIUFEDGEINHH, mask); - giu_set(GIUREDGEINHH, mask); - break; - } - } - set_irq_chip_and_handler(GIU_IRQ(pin), - &giuint_high_irq_chip, - handle_edge_irq); - } else { - giu_clear(GIUINTTYPH, mask); - giu_clear(GIUINTHTSELH, mask); - set_irq_chip_and_handler(GIU_IRQ(pin), - &giuint_high_irq_chip, - handle_level_irq); - } - giu_write(GIUINTSTATH, mask); - } -} -EXPORT_SYMBOL_GPL(vr41xx_set_irq_trigger); - -void vr41xx_set_irq_level(unsigned int pin, irq_level_t level) -{ - uint16_t mask; - - if (pin < GIUINT_HIGH_OFFSET) { - mask = 1 << pin; - if (level == IRQ_LEVEL_HIGH) - giu_set(GIUINTALSELL, mask); - else - giu_clear(GIUINTALSELL, mask); - giu_write(GIUINTSTATL, mask); - } else if (pin < GIUINT_HIGH_MAX) { - mask = 1 << (pin - GIUINT_HIGH_OFFSET); - if (level == IRQ_LEVEL_HIGH) - giu_set(GIUINTALSELH, mask); - else - giu_clear(GIUINTALSELH, mask); - giu_write(GIUINTSTATH, mask); - } -} -EXPORT_SYMBOL_GPL(vr41xx_set_irq_level); - -gpio_data_t vr41xx_gpio_get_pin(unsigned int pin) -{ - uint16_t reg, mask; - - if (pin >= giu_nr_pins) - return GPIO_DATA_INVAL; - - if (pin < 16) { - reg = giu_read(GIUPIODL); - mask = (uint16_t)1 << pin; - } else if (pin < 32) { - reg = giu_read(GIUPIODH); - mask = (uint16_t)1 << (pin - 16); - } else if (pin < 48) { - reg = giu_read(GIUPODATL); - mask = (uint16_t)1 << (pin - 32); - } else { - reg = giu_read(GIUPODATH); - mask = (uint16_t)1 << (pin - 48); - } - - if (reg & mask) - return GPIO_DATA_HIGH; - - return GPIO_DATA_LOW; -} -EXPORT_SYMBOL_GPL(vr41xx_gpio_get_pin); - -int vr41xx_gpio_set_pin(unsigned int pin, gpio_data_t data) -{ - uint16_t offset, mask, reg; - unsigned long flags; - - if (pin >= giu_nr_pins) - return -EINVAL; - - if (pin < 16) { - offset = GIUPIODL; - mask = (uint16_t)1 << pin; - } else if (pin < 32) { - offset = GIUPIODH; - mask = (uint16_t)1 << (pin - 16); - } else if (pin < 48) { - offset = GIUPODATL; - mask = (uint16_t)1 << (pin - 32); - } else { - offset = GIUPODATH; - mask = (uint16_t)1 << (pin - 48); - } - - spin_lock_irqsave(&giu_lock, flags); - - reg = giu_read(offset); - if (data == GPIO_DATA_HIGH) - reg |= mask; - else - reg &= ~mask; - giu_write(offset, reg); - - spin_unlock_irqrestore(&giu_lock, flags); - - return 0; -} -EXPORT_SYMBOL_GPL(vr41xx_gpio_set_pin); - -int vr41xx_gpio_set_direction(unsigned int pin, gpio_direction_t dir) -{ - uint16_t offset, mask, reg; - unsigned long flags; - - if (pin >= giu_nr_pins) - return -EINVAL; - - if (pin < 16) { - offset = GIUIOSELL; - mask = (uint16_t)1 << pin; - } else if (pin < 32) { - offset = GIUIOSELH; - mask = (uint16_t)1 << (pin - 16); - } else { - if (giu_flags & GPIO_HAS_OUTPUT_ENABLE) { - offset = GIUPODATEN; - mask = (uint16_t)1 << (pin - 32); - } else { - switch (pin) { - case 48: - offset = GIUPODATH; - mask = PIOEN0; - break; - case 49: - offset = GIUPODATH; - mask = PIOEN1; - break; - default: - return -EINVAL; - } - } - } - - spin_lock_irqsave(&giu_lock, flags); - - reg = giu_read(offset); - if (dir == GPIO_OUTPUT) - reg |= mask; - else - reg &= ~mask; - giu_write(offset, reg); - - spin_unlock_irqrestore(&giu_lock, flags); - - return 0; -} -EXPORT_SYMBOL_GPL(vr41xx_gpio_set_direction); - -int vr41xx_gpio_pullupdown(unsigned int pin, gpio_pull_t pull) -{ - uint16_t reg, mask; - unsigned long flags; - - if ((giu_flags & GPIO_HAS_PULLUPDOWN_IO) != GPIO_HAS_PULLUPDOWN_IO) - return -EPERM; - - if (pin >= 15) - return -EINVAL; - - mask = (uint16_t)1 << pin; - - spin_lock_irqsave(&giu_lock, flags); - - if (pull == GPIO_PULL_UP || pull == GPIO_PULL_DOWN) { - reg = giu_read(GIUTERMUPDN); - if (pull == GPIO_PULL_UP) - reg |= mask; - else - reg &= ~mask; - giu_write(GIUTERMUPDN, reg); - - reg = giu_read(GIUUSEUPDN); - reg |= mask; - giu_write(GIUUSEUPDN, reg); - } else { - reg = giu_read(GIUUSEUPDN); - reg &= ~mask; - giu_write(GIUUSEUPDN, reg); - } - - spin_unlock_irqrestore(&giu_lock, flags); - - return 0; -} -EXPORT_SYMBOL_GPL(vr41xx_gpio_pullupdown); - -static ssize_t gpio_read(struct file *file, char __user *buf, size_t len, - loff_t *ppos) -{ - unsigned int pin; - char value = '0'; - - pin = iminor(file->f_path.dentry->d_inode); - if (pin >= giu_nr_pins) - return -EBADF; - - if (vr41xx_gpio_get_pin(pin) == GPIO_DATA_HIGH) - value = '1'; - - if (len <= 0) - return -EFAULT; - - if (put_user(value, buf)) - return -EFAULT; - - return 1; -} - -static ssize_t gpio_write(struct file *file, const char __user *data, - size_t len, loff_t *ppos) -{ - unsigned int pin; - size_t i; - char c; - int retval = 0; - - pin = iminor(file->f_path.dentry->d_inode); - if (pin >= giu_nr_pins) - return -EBADF; - - for (i = 0; i < len; i++) { - if (get_user(c, data + i)) - return -EFAULT; - - switch (c) { - case '0': - retval = vr41xx_gpio_set_pin(pin, GPIO_DATA_LOW); - break; - case '1': - retval = vr41xx_gpio_set_pin(pin, GPIO_DATA_HIGH); - break; - case 'D': - printk(KERN_INFO "GPIO%d: pull down\n", pin); - retval = vr41xx_gpio_pullupdown(pin, GPIO_PULL_DOWN); - break; - case 'd': - printk(KERN_INFO "GPIO%d: pull up/down disable\n", pin); - retval = vr41xx_gpio_pullupdown(pin, GPIO_PULL_DISABLE); - break; - case 'I': - printk(KERN_INFO "GPIO%d: input\n", pin); - retval = vr41xx_gpio_set_direction(pin, GPIO_INPUT); - break; - case 'O': - printk(KERN_INFO "GPIO%d: output\n", pin); - retval = vr41xx_gpio_set_direction(pin, GPIO_OUTPUT); - break; - case 'o': - printk(KERN_INFO "GPIO%d: output disable\n", pin); - retval = vr41xx_gpio_set_direction(pin, GPIO_OUTPUT_DISABLE); - break; - case 'P': - printk(KERN_INFO "GPIO%d: pull up\n", pin); - retval = vr41xx_gpio_pullupdown(pin, GPIO_PULL_UP); - break; - case 'p': - printk(KERN_INFO "GPIO%d: pull up/down disable\n", pin); - retval = vr41xx_gpio_pullupdown(pin, GPIO_PULL_DISABLE); - break; - default: - break; - } - - if (retval < 0) - break; - } - - return i; -} - -static int gpio_open(struct inode *inode, struct file *file) -{ - unsigned int pin; - - cycle_kernel_lock(); - pin = iminor(inode); - if (pin >= giu_nr_pins) - return -EBADF; - - return nonseekable_open(inode, file); -} - -static int gpio_release(struct inode *inode, struct file *file) -{ - unsigned int pin; - - pin = iminor(inode); - if (pin >= giu_nr_pins) - return -EBADF; - - return 0; -} - -static const struct file_operations gpio_fops = { - .owner = THIS_MODULE, - .read = gpio_read, - .write = gpio_write, - .open = gpio_open, - .release = gpio_release, -}; - -static int __devinit giu_probe(struct platform_device *dev) -{ - struct resource *res; - unsigned int trigger, i, pin; - struct irq_chip *chip; - int irq, retval; - - switch (dev->id) { - case GPIO_50PINS_PULLUPDOWN: - giu_flags = GPIO_HAS_PULLUPDOWN_IO; - giu_nr_pins = 50; - break; - case GPIO_36PINS: - giu_nr_pins = 36; - break; - case GPIO_48PINS_EDGE_SELECT: - giu_flags = GPIO_HAS_INTERRUPT_EDGE_SELECT; - giu_nr_pins = 48; - break; - default: - printk(KERN_ERR "GIU: unknown ID %d\n", dev->id); - return -ENODEV; - } - - res = platform_get_resource(dev, IORESOURCE_MEM, 0); - if (!res) - return -EBUSY; - - giu_base = ioremap(res->start, res->end - res->start + 1); - if (!giu_base) - return -ENOMEM; - - retval = register_chrdev(major, "GIU", &gpio_fops); - if (retval < 0) { - iounmap(giu_base); - giu_base = NULL; - return retval; - } - - if (major == 0) { - major = retval; - printk(KERN_INFO "GIU: major number %d\n", major); - } - - spin_lock_init(&giu_lock); - - giu_write(GIUINTENL, 0); - giu_write(GIUINTENH, 0); - - trigger = giu_read(GIUINTTYPH) << 16; - trigger |= giu_read(GIUINTTYPL); - for (i = GIU_IRQ_BASE; i <= GIU_IRQ_LAST; i++) { - pin = GPIO_PIN_OF_IRQ(i); - if (pin < GIUINT_HIGH_OFFSET) - chip = &giuint_low_irq_chip; - else - chip = &giuint_high_irq_chip; - - if (trigger & (1 << pin)) - set_irq_chip_and_handler(i, chip, handle_edge_irq); - else - set_irq_chip_and_handler(i, chip, handle_level_irq); - - } - - irq = platform_get_irq(dev, 0); - if (irq < 0 || irq >= nr_irqs) - return -EBUSY; - - return cascade_irq(irq, giu_get_irq); -} - -static int __devexit giu_remove(struct platform_device *dev) -{ - if (giu_base) { - iounmap(giu_base); - giu_base = NULL; - } - - return 0; -} - -static struct platform_driver giu_device_driver = { - .probe = giu_probe, - .remove = __devexit_p(giu_remove), - .driver = { - .name = "GIU", - .owner = THIS_MODULE, - }, -}; - -static int __init vr41xx_giu_init(void) -{ - return platform_driver_register(&giu_device_driver); -} - -static void __exit vr41xx_giu_exit(void) -{ - platform_driver_unregister(&giu_device_driver); -} - -module_init(vr41xx_giu_init); -module_exit(vr41xx_giu_exit); diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c index 9ffb05f..93c2322 100644 --- a/drivers/clocksource/sh_tmu.c +++ b/drivers/clocksource/sh_tmu.c @@ -161,7 +161,7 @@ static void sh_tmu_set_next(struct sh_tmu_priv *p, unsigned long delta, if (periodic) sh_tmu_write(p, TCOR, delta); else - sh_tmu_write(p, TCOR, 0); + sh_tmu_write(p, TCOR, 0xffffffff); sh_tmu_write(p, TCNT, delta); diff --git a/drivers/edac/edac_core.h b/drivers/edac/edac_core.h index 3493c6b..871c13b 100644 --- a/drivers/edac/edac_core.h +++ b/drivers/edac/edac_core.h @@ -150,6 +150,8 @@ enum mem_type { MEM_FB_DDR2, /* fully buffered DDR2 */ MEM_RDDR2, /* Registered DDR2 RAM */ MEM_XDR, /* Rambus XDR */ + MEM_DDR3, /* DDR3 RAM */ + MEM_RDDR3, /* Registered DDR3 RAM */ }; #define MEM_FLAG_EMPTY BIT(MEM_EMPTY) @@ -167,6 +169,8 @@ enum mem_type { #define MEM_FLAG_FB_DDR2 BIT(MEM_FB_DDR2) #define MEM_FLAG_RDDR2 BIT(MEM_RDDR2) #define MEM_FLAG_XDR BIT(MEM_XDR) +#define MEM_FLAG_DDR3 BIT(MEM_DDR3) +#define MEM_FLAG_RDDR3 BIT(MEM_RDDR3) /* chipset Error Detection and Correction capabilities and mode */ enum edac_type { diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index ad218fe..e1d4ce0 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -94,7 +94,9 @@ static const char *mem_types[] = { [MEM_DDR2] = "Unbuffered-DDR2", [MEM_FB_DDR2] = "FullyBuffered-DDR2", [MEM_RDDR2] = "Registered-DDR2", - [MEM_XDR] = "XDR" + [MEM_XDR] = "XDR", + [MEM_DDR3] = "Unbuffered-DDR3", + [MEM_RDDR3] = "Registered-DDR3" }; static const char *dev_types[] = { diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c index 7c8c2d7..3f2ccfc 100644 --- a/drivers/edac/mpc85xx_edac.c +++ b/drivers/edac/mpc85xx_edac.c @@ -757,6 +757,9 @@ static void __devinit mpc85xx_init_csrows(struct mem_ctl_info *mci) case DSC_SDTYPE_DDR2: mtype = MEM_RDDR2; break; + case DSC_SDTYPE_DDR3: + mtype = MEM_RDDR3; + break; default: mtype = MEM_UNKNOWN; break; @@ -769,6 +772,9 @@ static void __devinit mpc85xx_init_csrows(struct mem_ctl_info *mci) case DSC_SDTYPE_DDR2: mtype = MEM_DDR2; break; + case DSC_SDTYPE_DDR3: + mtype = MEM_DDR3; + break; default: mtype = MEM_UNKNOWN; break; diff --git a/drivers/edac/mpc85xx_edac.h b/drivers/edac/mpc85xx_edac.h index 135b353..52432ee 100644 --- a/drivers/edac/mpc85xx_edac.h +++ b/drivers/edac/mpc85xx_edac.h @@ -53,6 +53,7 @@ #define DSC_SDTYPE_DDR 0x02000000 #define DSC_SDTYPE_DDR2 0x03000000 +#define DSC_SDTYPE_DDR3 0x07000000 #define DSC_X32_EN 0x00000020 /* Err_Int_En */ diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c index 543fcca..f74edae 100644 --- a/drivers/firewire/core-card.c +++ b/drivers/firewire/core-card.c @@ -196,8 +196,8 @@ static void allocate_broadcast_channel(struct fw_card *card, int generation) { int channel, bandwidth = 0; - fw_iso_resource_manage(card, generation, 1ULL << 31, - &channel, &bandwidth, true); + fw_iso_resource_manage(card, generation, 1ULL << 31, &channel, + &bandwidth, true, card->bm_transaction_data); if (channel == 31) { card->broadcast_channel_allocated = true; device_for_each_child(card->device, (void *)(long)generation, @@ -230,7 +230,6 @@ static void fw_card_bm_work(struct work_struct *work) bool do_reset = false; bool root_device_is_running; bool root_device_is_cmc; - __be32 lock_data[2]; spin_lock_irqsave(&card->lock, flags); @@ -273,22 +272,23 @@ static void fw_card_bm_work(struct work_struct *work) goto pick_me; } - lock_data[0] = cpu_to_be32(0x3f); - lock_data[1] = cpu_to_be32(local_id); + card->bm_transaction_data[0] = cpu_to_be32(0x3f); + card->bm_transaction_data[1] = cpu_to_be32(local_id); spin_unlock_irqrestore(&card->lock, flags); rcode = fw_run_transaction(card, TCODE_LOCK_COMPARE_SWAP, irm_id, generation, SCODE_100, CSR_REGISTER_BASE + CSR_BUS_MANAGER_ID, - lock_data, sizeof(lock_data)); + card->bm_transaction_data, + sizeof(card->bm_transaction_data)); if (rcode == RCODE_GENERATION) /* Another bus reset, BM work has been rescheduled. */ goto out; if (rcode == RCODE_COMPLETE && - lock_data[0] != cpu_to_be32(0x3f)) { + card->bm_transaction_data[0] != cpu_to_be32(0x3f)) { /* Somebody else is BM. Only act as IRM. */ if (local_id == irm_id) diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c index d1d30c6..ced186d 100644 --- a/drivers/firewire/core-cdev.c +++ b/drivers/firewire/core-cdev.c @@ -125,6 +125,7 @@ struct iso_resource { int generation; u64 channels; s32 bandwidth; + __be32 transaction_data[2]; struct iso_resource_event *e_alloc, *e_dealloc; }; @@ -1049,7 +1050,8 @@ static void iso_resource_work(struct work_struct *work) r->channels, &channel, &bandwidth, todo == ISO_RES_ALLOC || todo == ISO_RES_REALLOC || - todo == ISO_RES_ALLOC_ONCE); + todo == ISO_RES_ALLOC_ONCE, + r->transaction_data); /* * Is this generation outdated already? As long as this resource sticks * in the idr, it will be scheduled again for a newer generation or at diff --git a/drivers/firewire/core-iso.c b/drivers/firewire/core-iso.c index 166f19c..110e731 100644 --- a/drivers/firewire/core-iso.c +++ b/drivers/firewire/core-iso.c @@ -177,9 +177,8 @@ EXPORT_SYMBOL(fw_iso_context_stop); */ static int manage_bandwidth(struct fw_card *card, int irm_id, int generation, - int bandwidth, bool allocate) + int bandwidth, bool allocate, __be32 data[2]) { - __be32 data[2]; int try, new, old = allocate ? BANDWIDTH_AVAILABLE_INITIAL : 0; /* @@ -215,9 +214,9 @@ static int manage_bandwidth(struct fw_card *card, int irm_id, int generation, } static int manage_channel(struct fw_card *card, int irm_id, int generation, - u32 channels_mask, u64 offset, bool allocate) + u32 channels_mask, u64 offset, bool allocate, __be32 data[2]) { - __be32 data[2], c, all, old; + __be32 c, all, old; int i, retry = 5; old = all = allocate ? cpu_to_be32(~0) : 0; @@ -260,7 +259,7 @@ static int manage_channel(struct fw_card *card, int irm_id, int generation, } static void deallocate_channel(struct fw_card *card, int irm_id, - int generation, int channel) + int generation, int channel, __be32 buffer[2]) { u32 mask; u64 offset; @@ -269,7 +268,7 @@ static void deallocate_channel(struct fw_card *card, int irm_id, offset = channel < 32 ? CSR_REGISTER_BASE + CSR_CHANNELS_AVAILABLE_HI : CSR_REGISTER_BASE + CSR_CHANNELS_AVAILABLE_LO; - manage_channel(card, irm_id, generation, mask, offset, false); + manage_channel(card, irm_id, generation, mask, offset, false, buffer); } /** @@ -298,7 +297,7 @@ static void deallocate_channel(struct fw_card *card, int irm_id, */ void fw_iso_resource_manage(struct fw_card *card, int generation, u64 channels_mask, int *channel, int *bandwidth, - bool allocate) + bool allocate, __be32 buffer[2]) { u32 channels_hi = channels_mask; /* channels 31...0 */ u32 channels_lo = channels_mask >> 32; /* channels 63...32 */ @@ -310,10 +309,12 @@ void fw_iso_resource_manage(struct fw_card *card, int generation, if (channels_hi) c = manage_channel(card, irm_id, generation, channels_hi, - CSR_REGISTER_BASE + CSR_CHANNELS_AVAILABLE_HI, allocate); + CSR_REGISTER_BASE + CSR_CHANNELS_AVAILABLE_HI, + allocate, buffer); if (channels_lo && c < 0) { c = manage_channel(card, irm_id, generation, channels_lo, - CSR_REGISTER_BASE + CSR_CHANNELS_AVAILABLE_LO, allocate); + CSR_REGISTER_BASE + CSR_CHANNELS_AVAILABLE_LO, + allocate, buffer); if (c >= 0) c += 32; } @@ -325,12 +326,13 @@ void fw_iso_resource_manage(struct fw_card *card, int generation, if (*bandwidth == 0) return; - ret = manage_bandwidth(card, irm_id, generation, *bandwidth, allocate); + ret = manage_bandwidth(card, irm_id, generation, *bandwidth, + allocate, buffer); if (ret < 0) *bandwidth = 0; if (allocate && ret < 0 && c >= 0) { - deallocate_channel(card, irm_id, generation, c); + deallocate_channel(card, irm_id, generation, c, buffer); *channel = ret; } } diff --git a/drivers/firewire/core.h b/drivers/firewire/core.h index c3cfc64..6052816 100644 --- a/drivers/firewire/core.h +++ b/drivers/firewire/core.h @@ -120,7 +120,8 @@ void fw_node_event(struct fw_card *card, struct fw_node *node, int event); int fw_iso_buffer_map(struct fw_iso_buffer *buffer, struct vm_area_struct *vma); void fw_iso_resource_manage(struct fw_card *card, int generation, - u64 channels_mask, int *channel, int *bandwidth, bool allocate); + u64 channels_mask, int *channel, int *bandwidth, + bool allocate, __be32 buffer[2]); /* -topology */ diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c index 24c4563..8d51568 100644 --- a/drivers/firewire/sbp2.c +++ b/drivers/firewire/sbp2.c @@ -201,6 +201,12 @@ static struct fw_device *target_device(struct sbp2_target *tgt) #define SBP2_CYCLE_LIMIT (0xc8 << 12) /* 200 125us cycles */ /* + * There is no transport protocol limit to the CDB length, but we implement + * a fixed length only. 16 bytes is enough for disks larger than 2 TB. + */ +#define SBP2_MAX_CDB_SIZE 16 + +/* * The default maximum s/g segment size of a FireWire controller is * usually 0x10000, but SBP-2 only allows 0xffff. Since buffers have to * be quadlet-aligned, we set the length limit to 0xffff & ~3. @@ -312,7 +318,7 @@ struct sbp2_command_orb { struct sbp2_pointer next; struct sbp2_pointer data_descriptor; __be32 misc; - u8 command_block[12]; + u8 command_block[SBP2_MAX_CDB_SIZE]; } request; struct scsi_cmnd *cmd; scsi_done_fn_t done; @@ -1146,6 +1152,8 @@ static int sbp2_probe(struct device *dev) if (fw_device_enable_phys_dma(device) < 0) goto fail_shost_put; + shost->max_cmd_len = SBP2_MAX_CDB_SIZE; + if (scsi_add_host(shost, &unit->device) < 0) goto fail_shost_put; diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 3582c39..96dda81 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -79,6 +79,12 @@ config GPIO_XILINX help Say yes here to support the Xilinx FPGA GPIO device +config GPIO_VR41XX + tristate "NEC VR4100 series General-purpose I/O Uint support" + depends on CPU_VR41XX + help + Say yes here to support the NEC VR4100 series General-purpose I/O Uint + comment "I2C GPIO expanders:" config GPIO_MAX732X diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index ef90203..9244c6f 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -13,3 +13,4 @@ obj-$(CONFIG_GPIO_PL061) += pl061.o obj-$(CONFIG_GPIO_TWL4030) += twl4030-gpio.o obj-$(CONFIG_GPIO_XILINX) += xilinx_gpio.o obj-$(CONFIG_GPIO_BT8XX) += bt8xxgpio.o +obj-$(CONFIG_GPIO_VR41XX) += vr41xx_giu.o diff --git a/drivers/gpio/pl061.c b/drivers/gpio/pl061.c index aa8e7cb..4ee4c83 100644 --- a/drivers/gpio/pl061.c +++ b/drivers/gpio/pl061.c @@ -109,6 +109,16 @@ static void pl061_set_value(struct gpio_chip *gc, unsigned offset, int value) writeb(!!value << offset, chip->base + (1 << (offset + 2))); } +static int pl061_to_irq(struct gpio_chip *gc, unsigned offset) +{ + struct pl061_gpio *chip = container_of(gc, struct pl061_gpio, gc); + + if (chip->irq_base == (unsigned) -1) + return -EINVAL; + + return chip->irq_base + offset; +} + /* * PL061 GPIO IRQ */ @@ -200,7 +210,7 @@ static void pl061_irq_handler(unsigned irq, struct irq_desc *desc) desc->chip->ack(irq); list_for_each(ptr, chip_list) { unsigned long pending; - int gpio; + int offset; chip = list_entry(ptr, struct pl061_gpio, list); pending = readb(chip->base + GPIOMIS); @@ -209,8 +219,8 @@ static void pl061_irq_handler(unsigned irq, struct irq_desc *desc) if (pending == 0) continue; - for_each_bit(gpio, &pending, PL061_GPIO_NR) - generic_handle_irq(gpio_to_irq(gpio)); + for_each_bit(offset, &pending, PL061_GPIO_NR) + generic_handle_irq(pl061_to_irq(&chip->gc, offset)); } desc->chip->unmask(irq); } @@ -221,7 +231,7 @@ static int __init pl061_probe(struct amba_device *dev, struct amba_id *id) struct pl061_gpio *chip; struct list_head *chip_list; int ret, irq, i; - static unsigned long init_irq[BITS_TO_LONGS(NR_IRQS)]; + static DECLARE_BITMAP(init_irq, NR_IRQS); pdata = dev->dev.platform_data; if (pdata == NULL) @@ -251,6 +261,7 @@ static int __init pl061_probe(struct amba_device *dev, struct amba_id *id) chip->gc.direction_output = pl061_direction_output; chip->gc.get = pl061_get_value; chip->gc.set = pl061_set_value; + chip->gc.to_irq = pl061_to_irq; chip->gc.base = pdata->gpio_base; chip->gc.ngpio = PL061_GPIO_NR; chip->gc.label = dev_name(&dev->dev); @@ -280,6 +291,7 @@ static int __init pl061_probe(struct amba_device *dev, struct amba_id *id) if (!test_and_set_bit(irq, init_irq)) { /* list initialized? */ chip_list = kmalloc(sizeof(*chip_list), GFP_KERNEL); if (chip_list == NULL) { + clear_bit(irq, init_irq); ret = -ENOMEM; goto iounmap; } diff --git a/drivers/gpio/vr41xx_giu.c b/drivers/gpio/vr41xx_giu.c new file mode 100644 index 0000000..b70e061 --- /dev/null +++ b/drivers/gpio/vr41xx_giu.c @@ -0,0 +1,586 @@ +/* + * Driver for NEC VR4100 series General-purpose I/O Unit. + * + * Copyright (C) 2002 MontaVista Software Inc. + * Author: Yoichi Yuasa <source@mvista.com> + * Copyright (C) 2003-2009 Yoichi Yuasa <yuasa@linux-mips.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include <linux/errno.h> +#include <linux/fs.h> +#include <linux/gpio.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/irq.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/smp_lock.h> +#include <linux/spinlock.h> +#include <linux/types.h> + +#include <asm/vr41xx/giu.h> +#include <asm/vr41xx/irq.h> +#include <asm/vr41xx/vr41xx.h> + +MODULE_AUTHOR("Yoichi Yuasa <yuasa@linux-mips.org>"); +MODULE_DESCRIPTION("NEC VR4100 series General-purpose I/O Unit driver"); +MODULE_LICENSE("GPL"); + +#define GIUIOSELL 0x00 +#define GIUIOSELH 0x02 +#define GIUPIODL 0x04 +#define GIUPIODH 0x06 +#define GIUINTSTATL 0x08 +#define GIUINTSTATH 0x0a +#define GIUINTENL 0x0c +#define GIUINTENH 0x0e +#define GIUINTTYPL 0x10 +#define GIUINTTYPH 0x12 +#define GIUINTALSELL 0x14 +#define GIUINTALSELH 0x16 +#define GIUINTHTSELL 0x18 +#define GIUINTHTSELH 0x1a +#define GIUPODATL 0x1c +#define GIUPODATEN 0x1c +#define GIUPODATH 0x1e + #define PIOEN0 0x0100 + #define PIOEN1 0x0200 +#define GIUPODAT 0x1e +#define GIUFEDGEINHL 0x20 +#define GIUFEDGEINHH 0x22 +#define GIUREDGEINHL 0x24 +#define GIUREDGEINHH 0x26 + +#define GIUUSEUPDN 0x1e0 +#define GIUTERMUPDN 0x1e2 + +#define GPIO_HAS_PULLUPDOWN_IO 0x0001 +#define GPIO_HAS_OUTPUT_ENABLE 0x0002 +#define GPIO_HAS_INTERRUPT_EDGE_SELECT 0x0100 + +enum { + GPIO_INPUT, + GPIO_OUTPUT, +}; + +static DEFINE_SPINLOCK(giu_lock); +static unsigned long giu_flags; + +static void __iomem *giu_base; + +#define giu_read(offset) readw(giu_base + (offset)) +#define giu_write(offset, value) writew((value), giu_base + (offset)) + +#define GPIO_PIN_OF_IRQ(irq) ((irq) - GIU_IRQ_BASE) +#define GIUINT_HIGH_OFFSET 16 +#define GIUINT_HIGH_MAX 32 + +static inline u16 giu_set(u16 offset, u16 set) +{ + u16 data; + + data = giu_read(offset); + data |= set; + giu_write(offset, data); + + return data; +} + +static inline u16 giu_clear(u16 offset, u16 clear) +{ + u16 data; + + data = giu_read(offset); + data &= ~clear; + giu_write(offset, data); + + return data; +} + +static void ack_giuint_low(unsigned int irq) +{ + giu_write(GIUINTSTATL, 1 << GPIO_PIN_OF_IRQ(irq)); +} + +static void mask_giuint_low(unsigned int irq) +{ + giu_clear(GIUINTENL, 1 << GPIO_PIN_OF_IRQ(irq)); +} + +static void mask_ack_giuint_low(unsigned int irq) +{ + unsigned int pin; + + pin = GPIO_PIN_OF_IRQ(irq); + giu_clear(GIUINTENL, 1 << pin); + giu_write(GIUINTSTATL, 1 << pin); +} + +static void unmask_giuint_low(unsigned int irq) +{ + giu_set(GIUINTENL, 1 << GPIO_PIN_OF_IRQ(irq)); +} + +static struct irq_chip giuint_low_irq_chip = { + .name = "GIUINTL", + .ack = ack_giuint_low, + .mask = mask_giuint_low, + .mask_ack = mask_ack_giuint_low, + .unmask = unmask_giuint_low, +}; + +static void ack_giuint_high(unsigned int irq) +{ + giu_write(GIUINTSTATH, + 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET)); +} + +static void mask_giuint_high(unsigned int irq) +{ + giu_clear(GIUINTENH, 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET)); +} + +static void mask_ack_giuint_high(unsigned int irq) +{ + unsigned int pin; + + pin = GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET; + giu_clear(GIUINTENH, 1 << pin); + giu_write(GIUINTSTATH, 1 << pin); +} + +static void unmask_giuint_high(unsigned int irq) +{ + giu_set(GIUINTENH, 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET)); +} + +static struct irq_chip giuint_high_irq_chip = { + .name = "GIUINTH", + .ack = ack_giuint_high, + .mask = mask_giuint_high, + .mask_ack = mask_ack_giuint_high, + .unmask = unmask_giuint_high, +}; + +static int giu_get_irq(unsigned int irq) +{ + u16 pendl, pendh, maskl, maskh; + int i; + + pendl = giu_read(GIUINTSTATL); + pendh = giu_read(GIUINTSTATH); + maskl = giu_read(GIUINTENL); + maskh = giu_read(GIUINTENH); + + maskl &= pendl; + maskh &= pendh; + + if (maskl) { + for (i = 0; i < 16; i++) { + if (maskl & (1 << i)) + return GIU_IRQ(i); + } + } else if (maskh) { + for (i = 0; i < 16; i++) { + if (maskh & (1 << i)) + return GIU_IRQ(i + GIUINT_HIGH_OFFSET); + } + } + + printk(KERN_ERR "spurious GIU interrupt: %04x(%04x),%04x(%04x)\n", + maskl, pendl, maskh, pendh); + + atomic_inc(&irq_err_count); + + return -EINVAL; +} + +void vr41xx_set_irq_trigger(unsigned int pin, irq_trigger_t trigger, + irq_signal_t signal) +{ + u16 mask; + + if (pin < GIUINT_HIGH_OFFSET) { + mask = 1 << pin; + if (trigger != IRQ_TRIGGER_LEVEL) { + giu_set(GIUINTTYPL, mask); + if (signal == IRQ_SIGNAL_HOLD) + giu_set(GIUINTHTSELL, mask); + else + giu_clear(GIUINTHTSELL, mask); + if (giu_flags & GPIO_HAS_INTERRUPT_EDGE_SELECT) { + switch (trigger) { + case IRQ_TRIGGER_EDGE_FALLING: + giu_set(GIUFEDGEINHL, mask); + giu_clear(GIUREDGEINHL, mask); + break; + case IRQ_TRIGGER_EDGE_RISING: + giu_clear(GIUFEDGEINHL, mask); + giu_set(GIUREDGEINHL, mask); + break; + default: + giu_set(GIUFEDGEINHL, mask); + giu_set(GIUREDGEINHL, mask); + break; + } + } + set_irq_chip_and_handler(GIU_IRQ(pin), + &giuint_low_irq_chip, + handle_edge_irq); + } else { + giu_clear(GIUINTTYPL, mask); + giu_clear(GIUINTHTSELL, mask); + set_irq_chip_and_handler(GIU_IRQ(pin), + &giuint_low_irq_chip, + handle_level_irq); + } + giu_write(GIUINTSTATL, mask); + } else if (pin < GIUINT_HIGH_MAX) { + mask = 1 << (pin - GIUINT_HIGH_OFFSET); + if (trigger != IRQ_TRIGGER_LEVEL) { + giu_set(GIUINTTYPH, mask); + if (signal == IRQ_SIGNAL_HOLD) + giu_set(GIUINTHTSELH, mask); + else + giu_clear(GIUINTHTSELH, mask); + if (giu_flags & GPIO_HAS_INTERRUPT_EDGE_SELECT) { + switch (trigger) { + case IRQ_TRIGGER_EDGE_FALLING: + giu_set(GIUFEDGEINHH, mask); + giu_clear(GIUREDGEINHH, mask); + break; + case IRQ_TRIGGER_EDGE_RISING: + giu_clear(GIUFEDGEINHH, mask); + giu_set(GIUREDGEINHH, mask); + break; + default: + giu_set(GIUFEDGEINHH, mask); + giu_set(GIUREDGEINHH, mask); + break; + } + } + set_irq_chip_and_handler(GIU_IRQ(pin), + &giuint_high_irq_chip, + handle_edge_irq); + } else { + giu_clear(GIUINTTYPH, mask); + giu_clear(GIUINTHTSELH, mask); + set_irq_chip_and_handler(GIU_IRQ(pin), + &giuint_high_irq_chip, + handle_level_irq); + } + giu_write(GIUINTSTATH, mask); + } +} +EXPORT_SYMBOL_GPL(vr41xx_set_irq_trigger); + +void vr41xx_set_irq_level(unsigned int pin, irq_level_t level) +{ + u16 mask; + + if (pin < GIUINT_HIGH_OFFSET) { + mask = 1 << pin; + if (level == IRQ_LEVEL_HIGH) + giu_set(GIUINTALSELL, mask); + else + giu_clear(GIUINTALSELL, mask); + giu_write(GIUINTSTATL, mask); + } else if (pin < GIUINT_HIGH_MAX) { + mask = 1 << (pin - GIUINT_HIGH_OFFSET); + if (level == IRQ_LEVEL_HIGH) + giu_set(GIUINTALSELH, mask); + else + giu_clear(GIUINTALSELH, mask); + giu_write(GIUINTSTATH, mask); + } +} +EXPORT_SYMBOL_GPL(vr41xx_set_irq_level); + +static int giu_set_direction(struct gpio_chip *chip, unsigned pin, int dir) +{ + u16 offset, mask, reg; + unsigned long flags; + + if (pin >= chip->ngpio) + return -EINVAL; + + if (pin < 16) { + offset = GIUIOSELL; + mask = 1 << pin; + } else if (pin < 32) { + offset = GIUIOSELH; + mask = 1 << (pin - 16); + } else { + if (giu_flags & GPIO_HAS_OUTPUT_ENABLE) { + offset = GIUPODATEN; + mask = 1 << (pin - 32); + } else { + switch (pin) { + case 48: + offset = GIUPODATH; + mask = PIOEN0; + break; + case 49: + offset = GIUPODATH; + mask = PIOEN1; + break; + default: + return -EINVAL; + } + } + } + + spin_lock_irqsave(&giu_lock, flags); + + reg = giu_read(offset); + if (dir == GPIO_OUTPUT) + reg |= mask; + else + reg &= ~mask; + giu_write(offset, reg); + + spin_unlock_irqrestore(&giu_lock, flags); + + return 0; +} + +int vr41xx_gpio_pullupdown(unsigned int pin, gpio_pull_t pull) +{ + u16 reg, mask; + unsigned long flags; + + if ((giu_flags & GPIO_HAS_PULLUPDOWN_IO) != GPIO_HAS_PULLUPDOWN_IO) + return -EPERM; + + if (pin >= 15) + return -EINVAL; + + mask = 1 << pin; + + spin_lock_irqsave(&giu_lock, flags); + + if (pull == GPIO_PULL_UP || pull == GPIO_PULL_DOWN) { + reg = giu_read(GIUTERMUPDN); + if (pull == GPIO_PULL_UP) + reg |= mask; + else + reg &= ~mask; + giu_write(GIUTERMUPDN, reg); + + reg = giu_read(GIUUSEUPDN); + reg |= mask; + giu_write(GIUUSEUPDN, reg); + } else { + reg = giu_read(GIUUSEUPDN); + reg &= ~mask; + giu_write(GIUUSEUPDN, reg); + } + + spin_unlock_irqrestore(&giu_lock, flags); + + return 0; +} +EXPORT_SYMBOL_GPL(vr41xx_gpio_pullupdown); + +static int vr41xx_gpio_get(struct gpio_chip *chip, unsigned pin) +{ + u16 reg, mask; + + if (pin >= chip->ngpio) + return -EINVAL; + + if (pin < 16) { + reg = giu_read(GIUPIODL); + mask = 1 << pin; + } else if (pin < 32) { + reg = giu_read(GIUPIODH); + mask = 1 << (pin - 16); + } else if (pin < 48) { + reg = giu_read(GIUPODATL); + mask = 1 << (pin - 32); + } else { + reg = giu_read(GIUPODATH); + mask = 1 << (pin - 48); + } + + if (reg & mask) + return 1; + + return 0; +} + +static void vr41xx_gpio_set(struct gpio_chip *chip, unsigned pin, + int value) +{ + u16 offset, mask, reg; + unsigned long flags; + + if (pin >= chip->ngpio) + return; + + if (pin < 16) { + offset = GIUPIODL; + mask = 1 << pin; + } else if (pin < 32) { + offset = GIUPIODH; + mask = 1 << (pin - 16); + } else if (pin < 48) { + offset = GIUPODATL; + mask = 1 << (pin - 32); + } else { + offset = GIUPODATH; + mask = 1 << (pin - 48); + } + + spin_lock_irqsave(&giu_lock, flags); + + reg = giu_read(offset); + if (value) + reg |= mask; + else + reg &= ~mask; + giu_write(offset, reg); + + spin_unlock_irqrestore(&giu_lock, flags); +} + + +static int vr41xx_gpio_direction_input(struct gpio_chip *chip, unsigned offset) +{ + return giu_set_direction(chip, offset, GPIO_INPUT); +} + +static int vr41xx_gpio_direction_output(struct gpio_chip *chip, unsigned offset, + int value) +{ + vr41xx_gpio_set(chip, offset, value); + + return giu_set_direction(chip, offset, GPIO_OUTPUT); +} + +static int vr41xx_gpio_to_irq(struct gpio_chip *chip, unsigned offset) +{ + if (offset >= chip->ngpio) + return -EINVAL; + + return GIU_IRQ_BASE + offset; +} + +static struct gpio_chip vr41xx_gpio_chip = { + .label = "vr41xx", + .owner = THIS_MODULE, + .direction_input = vr41xx_gpio_direction_input, + .get = vr41xx_gpio_get, + .direction_output = vr41xx_gpio_direction_output, + .set = vr41xx_gpio_set, + .to_irq = vr41xx_gpio_to_irq, +}; + +static int __devinit giu_probe(struct platform_device *pdev) +{ + struct resource *res; + unsigned int trigger, i, pin; + struct irq_chip *chip; + int irq, retval; + + switch (pdev->id) { + case GPIO_50PINS_PULLUPDOWN: + giu_flags = GPIO_HAS_PULLUPDOWN_IO; + vr41xx_gpio_chip.ngpio = 50; + break; + case GPIO_36PINS: + vr41xx_gpio_chip.ngpio = 36; + break; + case GPIO_48PINS_EDGE_SELECT: + giu_flags = GPIO_HAS_INTERRUPT_EDGE_SELECT; + vr41xx_gpio_chip.ngpio = 48; + break; + default: + dev_err(&pdev->dev, "GIU: unknown ID %d\n", pdev->id); + return -ENODEV; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -EBUSY; + + giu_base = ioremap(res->start, res->end - res->start + 1); + if (!giu_base) + return -ENOMEM; + + vr41xx_gpio_chip.dev = &pdev->dev; + + retval = gpiochip_add(&vr41xx_gpio_chip); + + giu_write(GIUINTENL, 0); + giu_write(GIUINTENH, 0); + + trigger = giu_read(GIUINTTYPH) << 16; + trigger |= giu_read(GIUINTTYPL); + for (i = GIU_IRQ_BASE; i <= GIU_IRQ_LAST; i++) { + pin = GPIO_PIN_OF_IRQ(i); + if (pin < GIUINT_HIGH_OFFSET) + chip = &giuint_low_irq_chip; + else + chip = &giuint_high_irq_chip; + + if (trigger & (1 << pin)) + set_irq_chip_and_handler(i, chip, handle_edge_irq); + else + set_irq_chip_and_handler(i, chip, handle_level_irq); + + } + + irq = platform_get_irq(pdev, 0); + if (irq < 0 || irq >= nr_irqs) + return -EBUSY; + + return cascade_irq(irq, giu_get_irq); +} + +static int __devexit giu_remove(struct platform_device *pdev) +{ + if (giu_base) { + iounmap(giu_base); + giu_base = NULL; + } + + return 0; +} + +static struct platform_driver giu_device_driver = { + .probe = giu_probe, + .remove = __devexit_p(giu_remove), + .driver = { + .name = "GIU", + .owner = THIS_MODULE, + }, +}; + +static int __init vr41xx_giu_init(void) +{ + return platform_driver_register(&giu_device_driver); +} + +static void __exit vr41xx_giu_exit(void) +{ + platform_driver_unregister(&giu_device_driver); +} + +module_init(vr41xx_giu_init); +module_exit(vr41xx_giu_exit); diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index d5f3c77..db96138 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -466,14 +466,10 @@ void do_ide_request(struct request_queue *q) if (!ide_lock_port(hwif)) { ide_hwif_t *prev_port; + + WARN_ON_ONCE(hwif->rq); repeat: prev_port = hwif->host->cur_port; - - if (drive->dev_flags & IDE_DFLAG_BLOCKED) - rq = hwif->rq; - else - WARN_ON_ONCE(hwif->rq); - if (drive->dev_flags & IDE_DFLAG_SLEEPING && time_after(drive->sleep, jiffies)) { ide_unlock_port(hwif); @@ -500,29 +496,43 @@ repeat: hwif->cur_dev = drive; drive->dev_flags &= ~(IDE_DFLAG_SLEEPING | IDE_DFLAG_PARKED); - if (rq == NULL) { - spin_unlock_irq(&hwif->lock); - spin_lock_irq(q->queue_lock); - /* - * we know that the queue isn't empty, but this can - * happen if ->prep_rq_fn() decides to kill a request - */ + spin_unlock_irq(&hwif->lock); + spin_lock_irq(q->queue_lock); + /* + * we know that the queue isn't empty, but this can happen + * if the q->prep_rq_fn() decides to kill a request + */ + if (!rq) rq = blk_fetch_request(drive->queue); - spin_unlock_irq(q->queue_lock); - spin_lock_irq(&hwif->lock); - if (rq == NULL) { - ide_unlock_port(hwif); - goto out; - } + spin_unlock_irq(q->queue_lock); + spin_lock_irq(&hwif->lock); + + if (!rq) { + ide_unlock_port(hwif); + goto out; } /* * Sanity: don't accept a request that isn't a PM request - * if we are currently power managed. + * if we are currently power managed. This is very important as + * blk_stop_queue() doesn't prevent the blk_fetch_request() + * above to return us whatever is in the queue. Since we call + * ide_do_request() ourselves, we end up taking requests while + * the queue is blocked... + * + * We let requests forced at head of queue with ide-preempt + * though. I hope that doesn't happen too much, hopefully not + * unless the subdriver triggers such a thing in its own PM + * state machine. */ - BUG_ON((drive->dev_flags & IDE_DFLAG_BLOCKED) && - blk_pm_request(rq) == 0); + if ((drive->dev_flags & IDE_DFLAG_BLOCKED) && + blk_pm_request(rq) == 0 && + (rq->cmd_flags & REQ_PREEMPT) == 0) { + /* there should be no pending command at this point */ + ide_unlock_port(hwif); + goto plug_device; + } hwif->rq = rq; diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 83b734a..52b25f8 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -880,6 +880,7 @@ static struct sbp2_lu *sbp2_alloc_device(struct unit_directory *ud) } shost->hostdata[0] = (unsigned long)lu; + shost->max_cmd_len = SBP2_MAX_CDB_SIZE; if (!scsi_add_host(shost, &ud->device)) { lu->shost = shost; diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h index c5036f1..64a3a66 100644 --- a/drivers/ieee1394/sbp2.h +++ b/drivers/ieee1394/sbp2.h @@ -25,6 +25,12 @@ #define SBP2_DEVICE_NAME "sbp2" /* + * There is no transport protocol limit to the CDB length, but we implement + * a fixed length only. 16 bytes is enough for disks larger than 2 TB. + */ +#define SBP2_MAX_CDB_SIZE 16 + +/* * SBP-2 specific definitions */ @@ -51,7 +57,7 @@ struct sbp2_command_orb { u32 data_descriptor_hi; u32 data_descriptor_lo; u32 misc; - u8 cdb[12]; + u8 cdb[SBP2_MAX_CDB_SIZE]; } __attribute__((packed)); #define SBP2_LOGIN_REQUEST 0x0 diff --git a/drivers/input/misc/cobalt_btns.c b/drivers/input/misc/cobalt_btns.c index 2adf9cb..d114d3a 100644 --- a/drivers/input/misc/cobalt_btns.c +++ b/drivers/input/misc/cobalt_btns.c @@ -1,7 +1,7 @@ /* * Cobalt button interface driver. * - * Copyright (C) 2007-2008 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2007-2008 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -148,7 +148,7 @@ static int __devexit cobalt_buttons_remove(struct platform_device *pdev) return 0; } -MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>"); +MODULE_AUTHOR("Yoichi Yuasa <yuasa@linux-mips.org>"); MODULE_DESCRIPTION("Cobalt button interface driver"); MODULE_LICENSE("GPL"); /* work with hotplug and coldplug */ diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c index ec51696..2d91049 100644 --- a/drivers/isdn/gigaset/ev-layer.c +++ b/drivers/isdn/gigaset/ev-layer.c @@ -294,32 +294,33 @@ struct reply_t gigaset_tab_cid[] = {RSP_OK, 604,604, -1, 605, 5, {ACT_CMD+AT_MSN}}, {RSP_OK, 605,605, -1, 606, 5, {ACT_CMD+AT_ISO}}, {RSP_NULL, 605,605, -1, 606, 5, {ACT_CMD+AT_ISO}}, - {RSP_OK, 606,606, -1, 607, 5, {0}, "+VLS=17\r"}, /* set "Endgeraetemodus" */ + {RSP_OK, 606,606, -1, 607, 5, {0}, "+VLS=17\r"}, {RSP_OK, 607,607, -1, 608,-1}, - //{RSP_ZSAU, 608,608,ZSAU_PROCEEDING, 608, 0, {ACT_ERROR}},//DELETE {RSP_ZSAU, 608,608,ZSAU_PROCEEDING, 609, 5, {ACT_CMD+AT_DIAL}}, {RSP_OK, 609,609, -1, 650, 0, {ACT_DIALING}}, - {RSP_ZVLS, 608,608, 17, -1,-1, {ACT_DEBUG}}, - {RSP_ZCTP, 609,609, -1, -1,-1, {ACT_DEBUG}}, - {RSP_ZCPN, 609,609, -1, -1,-1, {ACT_DEBUG}}, {RSP_ERROR, 601,609, -1, 0, 0, {ACT_ABORTDIAL}}, {EV_TIMEOUT, 601,609, -1, 0, 0, {ACT_ABORTDIAL}}, - /* dialing */ - {RSP_ZCTP, 650,650, -1, -1,-1, {ACT_DEBUG}}, - {RSP_ZCPN, 650,650, -1, -1,-1, {ACT_DEBUG}}, - {RSP_ZSAU, 650,650,ZSAU_CALL_DELIVERED, -1,-1, {ACT_DEBUG}}, /* some devices don't send this */ - - /* connection established */ - {RSP_ZSAU, 650,650,ZSAU_ACTIVE, 800,-1, {ACT_CONNECT}}, //FIXME -> DLE1 - {RSP_ZSAU, 750,750,ZSAU_ACTIVE, 800,-1, {ACT_CONNECT}}, //FIXME -> DLE1 - - {EV_BC_OPEN, 800,800, -1, 800,-1, {ACT_NOTIFY_BC_UP}}, //FIXME new constate + timeout + /* optional dialing responses */ + {EV_BC_OPEN, 650,650, -1, 651,-1}, + {RSP_ZVLS, 608,651, 17, -1,-1, {ACT_DEBUG}}, + {RSP_ZCTP, 609,651, -1, -1,-1, {ACT_DEBUG}}, + {RSP_ZCPN, 609,651, -1, -1,-1, {ACT_DEBUG}}, + {RSP_ZSAU, 650,651,ZSAU_CALL_DELIVERED, -1,-1, {ACT_DEBUG}}, + + /* connect */ + {RSP_ZSAU, 650,650,ZSAU_ACTIVE, 800,-1, {ACT_CONNECT}}, + {RSP_ZSAU, 651,651,ZSAU_ACTIVE, 800,-1, {ACT_CONNECT, + ACT_NOTIFY_BC_UP}}, + {RSP_ZSAU, 750,750,ZSAU_ACTIVE, 800,-1, {ACT_CONNECT}}, + {RSP_ZSAU, 751,751,ZSAU_ACTIVE, 800,-1, {ACT_CONNECT, + ACT_NOTIFY_BC_UP}}, + {EV_BC_OPEN, 800,800, -1, 800,-1, {ACT_NOTIFY_BC_UP}}, /* remote hangup */ - {RSP_ZSAU, 650,650,ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEREJECT}}, - {RSP_ZSAU, 750,750,ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEHUP}}, + {RSP_ZSAU, 650,651,ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEREJECT}}, + {RSP_ZSAU, 750,751,ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEHUP}}, {RSP_ZSAU, 800,800,ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEHUP}}, /* hangup */ @@ -358,7 +359,8 @@ struct reply_t gigaset_tab_cid[] = {RSP_ZSAU, 700,729,ZSAU_ACTIVE, 0, 0, {ACT_ABORTACCEPT}}, {RSP_ZSAU, 700,729,ZSAU_DISCONNECT_IND, 0, 0, {ACT_ABORTACCEPT}}, - {EV_TIMEOUT, 750,750, -1, 0, 0, {ACT_CONNTIMEOUT}}, + {EV_BC_OPEN, 750,750, -1, 751,-1}, + {EV_TIMEOUT, 750,751, -1, 0, 0, {ACT_CONNTIMEOUT}}, /* B channel closed (general case) */ {EV_BC_CLOSED, -1, -1, -1, -1,-1, {ACT_NOTIFY_BC_DOWN}}, //FIXME @@ -876,12 +878,6 @@ static void bchannel_down(struct bc_state *bcs) static void bchannel_up(struct bc_state *bcs) { - if (!(bcs->chstate & CHS_D_UP)) { - dev_notice(bcs->cs->dev, "%s: D channel not up\n", __func__); - bcs->chstate |= CHS_D_UP; - gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DCONN); - } - if (bcs->chstate & CHS_B_UP) { dev_notice(bcs->cs->dev, "%s: B channel already up\n", __func__); diff --git a/drivers/isdn/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c index db3a1e4..bed38fc 100644 --- a/drivers/isdn/gigaset/isocdata.c +++ b/drivers/isdn/gigaset/isocdata.c @@ -174,12 +174,6 @@ int gigaset_isowbuf_getbytes(struct isowbuf_t *iwb, int size) pr_err("invalid size %d\n", size); return -EINVAL; } - src = iwb->read; - if (unlikely(limit >= BAS_OUTBUFSIZE + BAS_OUTBUFPAD || - (read < src && limit >= src))) { - pr_err("isoc write buffer frame reservation violated\n"); - return -EFAULT; - } #endif if (read < write) { diff --git a/drivers/leds/leds-cobalt-raq.c b/drivers/leds/leds-cobalt-raq.c index ff0e8c3..5f1ce81 100644 --- a/drivers/leds/leds-cobalt-raq.c +++ b/drivers/leds/leds-cobalt-raq.c @@ -1,7 +1,7 @@ /* * LEDs driver for the Cobalt Raq series. * - * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/drivers/lguest/lg.h b/drivers/lguest/lg.h index d4e8979..9c31382 100644 --- a/drivers/lguest/lg.h +++ b/drivers/lguest/lg.h @@ -82,7 +82,7 @@ struct lg_cpu { struct lg_eventfd { unsigned long addr; - struct file *event; + struct eventfd_ctx *event; }; struct lg_eventfd_map { diff --git a/drivers/lguest/lguest_user.c b/drivers/lguest/lguest_user.c index 32e2971..9f9a295 100644 --- a/drivers/lguest/lguest_user.c +++ b/drivers/lguest/lguest_user.c @@ -50,7 +50,7 @@ static int add_eventfd(struct lguest *lg, unsigned long addr, int fd) /* Now append new entry. */ new->map[new->num].addr = addr; - new->map[new->num].event = eventfd_fget(fd); + new->map[new->num].event = eventfd_ctx_fdget(fd); if (IS_ERR(new->map[new->num].event)) { kfree(new); return PTR_ERR(new->map[new->num].event); @@ -357,7 +357,7 @@ static int close(struct inode *inode, struct file *file) /* Release any eventfds they registered. */ for (i = 0; i < lg->eventfds->num; i++) - fput(lg->eventfds->map[i].event); + eventfd_ctx_put(lg->eventfds->map[i].event); kfree(lg->eventfds); /* If lg->dead doesn't contain an error code it will be NULL or a diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c index c3ae515..3710ff8 100644 --- a/drivers/md/dm-exception-store.c +++ b/drivers/md/dm-exception-store.c @@ -195,7 +195,7 @@ int dm_exception_store_create(struct dm_target *ti, int argc, char **argv, struct dm_exception_store **store) { int r = 0; - struct dm_exception_store_type *type; + struct dm_exception_store_type *type = NULL; struct dm_exception_store *tmp_store; char persistent; @@ -211,12 +211,15 @@ int dm_exception_store_create(struct dm_target *ti, int argc, char **argv, } persistent = toupper(*argv[1]); - if (persistent != 'P' && persistent != 'N') { + if (persistent == 'P') + type = get_type("P"); + else if (persistent == 'N') + type = get_type("N"); + else { ti->error = "Persistent flag is not P or N"; return -EINVAL; } - type = get_type(&persistent); if (!type) { ti->error = "Exception store type not recognised"; r = -EINVAL; diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 4899ebe..2cba557 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -495,7 +495,7 @@ int dm_set_device_limits(struct dm_target *ti, struct dm_dev *dev, return 0; } - if (blk_stack_limits(limits, &q->limits, start) < 0) + if (blk_stack_limits(limits, &q->limits, start << 9) < 0) DMWARN("%s: target device %s is misaligned", dm_device_name(ti->table->md), bdevname(bdev, b)); diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 3c6d4ee..9acd54a 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1017,7 +1017,7 @@ static struct bio *split_bvec(struct bio *bio, sector_t sector, clone->bi_flags |= 1 << BIO_CLONED; if (bio_integrity(bio)) { - bio_integrity_clone(clone, bio, GFP_NOIO); + bio_integrity_clone(clone, bio, GFP_NOIO, bs); bio_integrity_trim(clone, bio_sector_offset(bio, idx, offset), len); } @@ -1045,7 +1045,7 @@ static struct bio *clone_bio(struct bio *bio, sector_t sector, clone->bi_flags &= ~(1 << BIO_SEG_VALID); if (bio_integrity(bio)) { - bio_integrity_clone(clone, bio, GFP_NOIO); + bio_integrity_clone(clone, bio, GFP_NOIO, bs); if (idx != bio->bi_idx || clone->bi_size < bio->bi_size) bio_integrity_trim(clone, diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 15c8b7b..5810fa9 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -166,8 +166,8 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks) rdev->sectors = sectors * mddev->chunk_sectors; } - blk_queue_stack_limits(mddev->queue, - rdev->bdev->bd_disk->queue); + disk_stack_limits(mddev->gendisk, rdev->bdev, + rdev->data_offset << 9); /* as we don't honour merge_bvec_fn, we must never risk * violating it, so limit ->max_sector to one PAGE, as * a one page request is never in violation. diff --git a/drivers/md/md.c b/drivers/md/md.c index 09be637..0f4a70c4 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -3573,7 +3573,8 @@ suspend_lo_store(mddev_t *mddev, const char *buf, size_t len) char *e; unsigned long long new = simple_strtoull(buf, &e, 10); - if (mddev->pers->quiesce == NULL) + if (mddev->pers == NULL || + mddev->pers->quiesce == NULL) return -EINVAL; if (buf == e || (*e && *e != '\n')) return -EINVAL; @@ -3601,7 +3602,8 @@ suspend_hi_store(mddev_t *mddev, const char *buf, size_t len) char *e; unsigned long long new = simple_strtoull(buf, &e, 10); - if (mddev->pers->quiesce == NULL) + if (mddev->pers == NULL || + mddev->pers->quiesce == NULL) return -EINVAL; if (buf == e || (*e && *e != '\n')) return -EINVAL; @@ -3844,11 +3846,9 @@ static int md_alloc(dev_t dev, char *name) flush_scheduled_work(); mutex_lock(&disks_mutex); - if (mddev->gendisk) { - mutex_unlock(&disks_mutex); - mddev_put(mddev); - return -EEXIST; - } + error = -EEXIST; + if (mddev->gendisk) + goto abort; if (name) { /* Need to ensure that 'name' is not a duplicate. @@ -3860,17 +3860,15 @@ static int md_alloc(dev_t dev, char *name) if (mddev2->gendisk && strcmp(mddev2->gendisk->disk_name, name) == 0) { spin_unlock(&all_mddevs_lock); - return -EEXIST; + goto abort; } spin_unlock(&all_mddevs_lock); } + error = -ENOMEM; mddev->queue = blk_alloc_queue(GFP_KERNEL); - if (!mddev->queue) { - mutex_unlock(&disks_mutex); - mddev_put(mddev); - return -ENOMEM; - } + if (!mddev->queue) + goto abort; mddev->queue->queuedata = mddev; /* Can be unlocked because the queue is new: no concurrency */ @@ -3880,11 +3878,9 @@ static int md_alloc(dev_t dev, char *name) disk = alloc_disk(1 << shift); if (!disk) { - mutex_unlock(&disks_mutex); blk_cleanup_queue(mddev->queue); mddev->queue = NULL; - mddev_put(mddev); - return -ENOMEM; + goto abort; } disk->major = MAJOR(mddev->unit); disk->first_minor = unit << shift; @@ -3906,16 +3902,22 @@ static int md_alloc(dev_t dev, char *name) mddev->gendisk = disk; error = kobject_init_and_add(&mddev->kobj, &md_ktype, &disk_to_dev(disk)->kobj, "%s", "md"); - mutex_unlock(&disks_mutex); - if (error) + if (error) { + /* This isn't possible, but as kobject_init_and_add is marked + * __must_check, we must do something with the result + */ printk(KERN_WARNING "md: cannot register %s/md - name in use\n", disk->disk_name); - else { + error = 0; + } + abort: + mutex_unlock(&disks_mutex); + if (!error) { kobject_uevent(&mddev->kobj, KOBJ_ADD); mddev->sysfs_state = sysfs_get_dirent(mddev->kobj.sd, "array_state"); } mddev_put(mddev); - return 0; + return error; } static struct kobject *md_probe(dev_t dev, int *part, void *data) @@ -6334,10 +6336,16 @@ void md_do_sync(mddev_t *mddev) sysfs_notify(&mddev->kobj, NULL, "sync_completed"); } - if (j >= mddev->resync_max) - wait_event(mddev->recovery_wait, - mddev->resync_max > j - || kthread_should_stop()); + while (j >= mddev->resync_max && !kthread_should_stop()) { + /* As this condition is controlled by user-space, + * we can block indefinitely, so use '_interruptible' + * to avoid triggering warnings. + */ + flush_signals(current); /* just in case */ + wait_event_interruptible(mddev->recovery_wait, + mddev->resync_max > j + || kthread_should_stop()); + } if (kthread_should_stop()) goto interrupted; diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index cbe368f..237fe3f 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -294,7 +294,8 @@ static int multipath_add_disk(mddev_t *mddev, mdk_rdev_t *rdev) for (path = first; path <= last; path++) if ((p=conf->multipaths+path)->rdev == NULL) { q = rdev->bdev->bd_disk->queue; - blk_queue_stack_limits(mddev->queue, q); + disk_stack_limits(mddev->gendisk, rdev->bdev, + rdev->data_offset << 9); /* as we don't honour merge_bvec_fn, we must never risk * violating it, so limit ->max_sector to one PAGE, as @@ -463,9 +464,9 @@ static int multipath_run (mddev_t *mddev) disk = conf->multipaths + disk_idx; disk->rdev = rdev; + disk_stack_limits(mddev->gendisk, rdev->bdev, + rdev->data_offset << 9); - blk_queue_stack_limits(mddev->queue, - rdev->bdev->bd_disk->queue); /* as we don't honour merge_bvec_fn, we must never risk * violating it, not that we ever expect a device with * a merge_bvec_fn to be involved in multipath */ diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index ab4a489..335f490 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -170,8 +170,8 @@ static int create_strip_zones(mddev_t *mddev) } dev[j] = rdev1; - blk_queue_stack_limits(mddev->queue, - rdev1->bdev->bd_disk->queue); + disk_stack_limits(mddev->gendisk, rdev1->bdev, + rdev1->data_offset << 9); /* as we don't honour merge_bvec_fn, we must never risk * violating it, so limit ->max_sector to one PAGE, as * a one page request is never in violation. @@ -250,6 +250,11 @@ static int create_strip_zones(mddev_t *mddev) mddev->chunk_sectors << 9); goto abort; } + + blk_queue_io_min(mddev->queue, mddev->chunk_sectors << 9); + blk_queue_io_opt(mddev->queue, + (mddev->chunk_sectors << 9) * mddev->raid_disks); + printk(KERN_INFO "raid0: done.\n"); mddev->private = conf; return 0; diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 89939a7..0569efb 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1123,8 +1123,8 @@ static int raid1_add_disk(mddev_t *mddev, mdk_rdev_t *rdev) for (mirror = first; mirror <= last; mirror++) if ( !(p=conf->mirrors+mirror)->rdev) { - blk_queue_stack_limits(mddev->queue, - rdev->bdev->bd_disk->queue); + disk_stack_limits(mddev->gendisk, rdev->bdev, + rdev->data_offset << 9); /* as we don't honour merge_bvec_fn, we must never risk * violating it, so limit ->max_sector to one PAGE, as * a one page request is never in violation. @@ -1988,9 +1988,8 @@ static int run(mddev_t *mddev) disk = conf->mirrors + disk_idx; disk->rdev = rdev; - - blk_queue_stack_limits(mddev->queue, - rdev->bdev->bd_disk->queue); + disk_stack_limits(mddev->gendisk, rdev->bdev, + rdev->data_offset << 9); /* as we don't honour merge_bvec_fn, we must never risk * violating it, so limit ->max_sector to one PAGE, as * a one page request is never in violation. diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index ae12cea..7298a5e 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1151,8 +1151,8 @@ static int raid10_add_disk(mddev_t *mddev, mdk_rdev_t *rdev) for ( ; mirror <= last ; mirror++) if ( !(p=conf->mirrors+mirror)->rdev) { - blk_queue_stack_limits(mddev->queue, - rdev->bdev->bd_disk->queue); + disk_stack_limits(mddev->gendisk, rdev->bdev, + rdev->data_offset << 9); /* as we don't honour merge_bvec_fn, we must never risk * violating it, so limit ->max_sector to one PAGE, as * a one page request is never in violation. @@ -2044,7 +2044,7 @@ raid10_size(mddev_t *mddev, sector_t sectors, int raid_disks) static int run(mddev_t *mddev) { conf_t *conf; - int i, disk_idx; + int i, disk_idx, chunk_size; mirror_info_t *disk; mdk_rdev_t *rdev; int nc, fc, fo; @@ -2130,6 +2130,14 @@ static int run(mddev_t *mddev) spin_lock_init(&conf->device_lock); mddev->queue->queue_lock = &conf->device_lock; + chunk_size = mddev->chunk_sectors << 9; + blk_queue_io_min(mddev->queue, chunk_size); + if (conf->raid_disks % conf->near_copies) + blk_queue_io_opt(mddev->queue, chunk_size * conf->raid_disks); + else + blk_queue_io_opt(mddev->queue, chunk_size * + (conf->raid_disks / conf->near_copies)); + list_for_each_entry(rdev, &mddev->disks, same_set) { disk_idx = rdev->raid_disk; if (disk_idx >= mddev->raid_disks @@ -2138,9 +2146,8 @@ static int run(mddev_t *mddev) disk = conf->mirrors + disk_idx; disk->rdev = rdev; - - blk_queue_stack_limits(mddev->queue, - rdev->bdev->bd_disk->queue); + disk_stack_limits(mddev->gendisk, rdev->bdev, + rdev->data_offset << 9); /* as we don't honour merge_bvec_fn, we must never risk * violating it, so limit ->max_sector to one PAGE, as * a one page request is never in violation. diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index f9f991e..3783553 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -3699,13 +3699,21 @@ static int make_request(struct request_queue *q, struct bio * bi) goto retry; } } - /* FIXME what if we get a false positive because these - * are being updated. - */ - if (logical_sector >= mddev->suspend_lo && + + if (bio_data_dir(bi) == WRITE && + logical_sector >= mddev->suspend_lo && logical_sector < mddev->suspend_hi) { release_stripe(sh); - schedule(); + /* As the suspend_* range is controlled by + * userspace, we want an interruptible + * wait. + */ + flush_signals(current); + prepare_to_wait(&conf->wait_for_overlap, + &w, TASK_INTERRUPTIBLE); + if (logical_sector >= mddev->suspend_lo && + logical_sector < mddev->suspend_hi) + schedule(); goto retry; } @@ -4452,7 +4460,7 @@ static raid5_conf_t *setup_conf(mddev_t *mddev) static int run(mddev_t *mddev) { raid5_conf_t *conf; - int working_disks = 0; + int working_disks = 0, chunk_size; mdk_rdev_t *rdev; if (mddev->recovery_cp != MaxSector) @@ -4607,6 +4615,14 @@ static int run(mddev_t *mddev) md_set_array_sectors(mddev, raid5_size(mddev, 0, 0)); blk_queue_merge_bvec(mddev->queue, raid5_mergeable_bvec); + chunk_size = mddev->chunk_sectors << 9; + blk_queue_io_min(mddev->queue, chunk_size); + blk_queue_io_opt(mddev->queue, chunk_size * + (conf->raid_disks - conf->max_degraded)); + + list_for_each_entry(rdev, &mddev->disks, same_set) + disk_stack_limits(mddev->gendisk, rdev->bdev, + rdev->data_offset << 9); return 0; abort: diff --git a/drivers/media/common/tuners/tuner-xc2028.c b/drivers/media/common/tuners/tuner-xc2028.c index b6da9c3..aa20ce8 100644 --- a/drivers/media/common/tuners/tuner-xc2028.c +++ b/drivers/media/common/tuners/tuner-xc2028.c @@ -1096,8 +1096,19 @@ static int xc2028_set_params(struct dvb_frontend *fe, } /* All S-code tables need a 200kHz shift */ - if (priv->ctrl.demod) + if (priv->ctrl.demod) { demod = priv->ctrl.demod + 200; + /* + * The DTV7 S-code table needs a 700 kHz shift. + * Thanks to Terry Wu <terrywu2009@gmail.com> for reporting this + * + * DTV7 is only used in Australia. Germany or Italy may also + * use this firmware after initialization, but a tune to a UHF + * channel should then cause DTV78 to be used. + */ + if (type & DTV7) + demod += 500; + } return generic_set_freq(fe, p->frequency, T_DIGITAL_TV, type, 0, demod); diff --git a/drivers/media/dvb/ttpci/Kconfig b/drivers/media/dvb/ttpci/Kconfig index 68eb449..d8d4214 100644 --- a/drivers/media/dvb/ttpci/Kconfig +++ b/drivers/media/dvb/ttpci/Kconfig @@ -1,5 +1,6 @@ config TTPCI_EEPROM tristate + depends on I2C default n config DVB_AV7110 diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c index 640421c..46d2163 100644 --- a/drivers/media/radio/radio-si470x.c +++ b/drivers/media/radio/radio-si470x.c @@ -1200,7 +1200,7 @@ static int si470x_fops_release(struct file *file) video_unregister_device(radio->videodev); kfree(radio->buffer); kfree(radio); - goto done; + goto unlock; } /* stop rds reception */ @@ -1213,9 +1213,8 @@ static int si470x_fops_release(struct file *file) retval = si470x_stop(radio); usb_autopm_put_interface(radio->intf); } - +unlock: mutex_unlock(&radio->disconnect_lock); - done: return retval; } diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 061e147..84b6fc1 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -312,6 +312,14 @@ config VIDEO_OV7670 OV7670 VGA camera. It currently only works with the M88ALP01 controller. +config VIDEO_MT9V011 + tristate "Micron mt9v011 sensor support" + depends on I2C && VIDEO_V4L2 + ---help--- + This is a Video4Linux2 sensor-level driver for the Micron + mt0v011 1.3 Mpixel camera. It currently only works with the + em28xx driver. + config VIDEO_TCM825X tristate "TCM825x camera sensor support" depends on I2C && VIDEO_V4L2 diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index 7fb3add..9f2e321 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile @@ -69,6 +69,7 @@ obj-$(CONFIG_VIDEO_UPD64083) += upd64083.o obj-$(CONFIG_VIDEO_OV7670) += ov7670.o obj-$(CONFIG_VIDEO_TCM825X) += tcm825x.o obj-$(CONFIG_VIDEO_TVEEPROM) += tveeprom.o +obj-$(CONFIG_VIDEO_MT9V011) += mt9v011.o obj-$(CONFIG_SOC_CAMERA_MT9M001) += mt9m001.o obj-$(CONFIG_SOC_CAMERA_MT9M111) += mt9m111.o diff --git a/drivers/media/video/cx18/cx18-cards.c b/drivers/media/video/cx18/cx18-cards.c index c92a250..36f2d76 100644 --- a/drivers/media/video/cx18/cx18-cards.c +++ b/drivers/media/video/cx18/cx18-cards.c @@ -198,11 +198,14 @@ static const struct cx18_card_pci_info cx18_pci_mpc718[] = { static const struct cx18_card cx18_card_mpc718 = { .type = CX18_CARD_YUAN_MPC718, - .name = "Yuan MPC718", - .comment = "Analog video capture works; some audio line in may not.\n", + .name = "Yuan MPC718 MiniPCI DVB-T/Analog", + .comment = "Experimenters needed for device to work well.\n" + "\tTo help, mail the ivtv-devel list (www.ivtvdriver.org).\n", .v4l2_capabilities = CX18_CAP_ENCODER, .hw_audio_ctrl = CX18_HW_418_AV, - .hw_all = CX18_HW_418_AV | CX18_HW_TUNER | CX18_HW_GPIO_RESET_CTRL, + .hw_muxer = CX18_HW_GPIO_MUX, + .hw_all = CX18_HW_418_AV | CX18_HW_TUNER | + CX18_HW_GPIO_MUX | CX18_HW_DVB | CX18_HW_GPIO_RESET_CTRL, .video_inputs = { { CX18_CARD_INPUT_VID_TUNER, 0, CX18_AV_COMPOSITE2 }, { CX18_CARD_INPUT_SVIDEO1, 1, @@ -211,27 +214,34 @@ static const struct cx18_card cx18_card_mpc718 = { { CX18_CARD_INPUT_SVIDEO2, 2, CX18_AV_SVIDEO_LUMA7 | CX18_AV_SVIDEO_CHROMA8 }, { CX18_CARD_INPUT_COMPOSITE2, 2, CX18_AV_COMPOSITE6 }, - { CX18_CARD_INPUT_COMPOSITE3, 2, CX18_AV_COMPOSITE3 }, }, .audio_inputs = { { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO5, 0 }, - { CX18_CARD_INPUT_LINE_IN1, CX18_AV_AUDIO_SERIAL1, 0 }, - { CX18_CARD_INPUT_LINE_IN2, CX18_AV_AUDIO_SERIAL1, 0 }, + { CX18_CARD_INPUT_LINE_IN1, CX18_AV_AUDIO_SERIAL1, 1 }, + { CX18_CARD_INPUT_LINE_IN2, CX18_AV_AUDIO_SERIAL2, 1 }, }, - .radio_input = { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO_SERIAL1, 0 }, .tuners = { /* XC3028 tuner */ { .std = V4L2_STD_ALL, .tuner = TUNER_XC2028 }, }, + /* FIXME - the FM radio is just a guess and driver doesn't use SIF */ + .radio_input = { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO5, 2 }, .ddr = { - /* Probably Samsung K4D263238G-VC33 memory */ - .chip_config = 0x003, - .refresh = 0x30c, - .timing1 = 0x23230b73, - .timing2 = 0x08, + /* Hynix HY5DU283222B DDR RAM */ + .chip_config = 0x303, + .refresh = 0x3bd, + .timing1 = 0x36320966, + .timing2 = 0x1f, .tune_lane = 0, .initial_emrs = 2, }, + .gpio_init.initial_value = 0x1, + .gpio_init.direction = 0x3, + /* FIXME - these GPIO's are just guesses */ + .gpio_audio_input = { .mask = 0x3, + .tuner = 0x1, + .linein = 0x3, + .radio = 0x1 }, .xceive_pin = 0, .pci_list = cx18_pci_mpc718, .i2c = &cx18_i2c_std, diff --git a/drivers/media/video/cx18/cx18-dvb.c b/drivers/media/video/cx18/cx18-dvb.c index 6ea3fe6..51a0c33 100644 --- a/drivers/media/video/cx18/cx18-dvb.c +++ b/drivers/media/video/cx18/cx18-dvb.c @@ -30,6 +30,10 @@ #include "s5h1409.h" #include "mxl5005s.h" #include "zl10353.h" + +#include <linux/firmware.h> +#include "mt352.h" +#include "mt352_priv.h" #include "tuner-xc2028.h" DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); @@ -38,6 +42,11 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); #define CX18_CLOCK_ENABLE2 0xc71024 #define CX18_DMUX_CLK_MASK 0x0080 +/* + * CX18_CARD_HVR_1600_ESMT + * CX18_CARD_HVR_1600_SAMSUNG + */ + static struct mxl5005s_config hauppauge_hvr1600_tuner = { .i2c_address = 0xC6 >> 1, .if_freq = IF_FREQ_5380000HZ, @@ -65,6 +74,9 @@ static struct s5h1409_config hauppauge_hvr1600_config = { .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK }; +/* + * CX18_CARD_LEADTEK_DVR3100H + */ /* Information/confirmation of proper config values provided by Terry Wu */ static struct zl10353_config leadtek_dvr3100h_demod = { .demod_address = 0x1e >> 1, /* Datasheet suggested straps */ @@ -74,6 +86,121 @@ static struct zl10353_config leadtek_dvr3100h_demod = { .disable_i2c_gate_ctrl = 1, /* Disable the I2C gate */ }; +/* + * CX18_CARD_YUAN_MPC718 + */ +/* + * Due to + * + * 1. an absence of information on how to prgram the MT352 + * 2. the Linux mt352 module pushing MT352 initialzation off onto us here + * + * We have to use an init sequence that *you* must extract from the Windows + * driver (yuanrap.sys) and which we load as a firmware. + * + * If someone can provide me with a Zarlink MT352 (Intel CE6352?) Design Manual + * with chip programming details, then I can remove this annoyance. + */ +static int yuan_mpc718_mt352_reqfw(struct cx18_stream *stream, + const struct firmware **fw) +{ + struct cx18 *cx = stream->cx; + const char *fn = "dvb-cx18-mpc718-mt352.fw"; + int ret; + + ret = request_firmware(fw, fn, &cx->pci_dev->dev); + if (ret) + CX18_ERR("Unable to open firmware file %s\n", fn); + else { + size_t sz = (*fw)->size; + if (sz < 2 || sz > 64 || (sz % 2) != 0) { + CX18_ERR("Firmware %s has a bad size: %lu bytes\n", + fn, (unsigned long) sz); + ret = -EILSEQ; + release_firmware(*fw); + *fw = NULL; + } + } + + if (ret) { + CX18_ERR("The MPC718 board variant with the MT352 DVB-T" + "demodualtor will not work without it\n"); + CX18_ERR("Run 'linux/Documentation/dvb/get_dvb_firmware " + "mpc718' if you need the firmware\n"); + } + return ret; +} + +static int yuan_mpc718_mt352_init(struct dvb_frontend *fe) +{ + struct cx18_dvb *dvb = container_of(fe->dvb, + struct cx18_dvb, dvb_adapter); + struct cx18_stream *stream = container_of(dvb, struct cx18_stream, dvb); + const struct firmware *fw = NULL; + int ret; + int i; + u8 buf[3]; + + ret = yuan_mpc718_mt352_reqfw(stream, &fw); + if (ret) + return ret; + + /* Loop through all the register-value pairs in the firmware file */ + for (i = 0; i < fw->size; i += 2) { + buf[0] = fw->data[i]; + /* Intercept a few registers we want to set ourselves */ + switch (buf[0]) { + case TRL_NOMINAL_RATE_0: + /* Set our custom OFDM bandwidth in the case below */ + break; + case TRL_NOMINAL_RATE_1: + /* 6 MHz: 64/7 * 6/8 / 20.48 * 2^16 = 0x55b6.db6 */ + /* 7 MHz: 64/7 * 7/8 / 20.48 * 2^16 = 0x6400 */ + /* 8 MHz: 64/7 * 8/8 / 20.48 * 2^16 = 0x7249.249 */ + buf[1] = 0x72; + buf[2] = 0x49; + mt352_write(fe, buf, 3); + break; + case INPUT_FREQ_0: + /* Set our custom IF in the case below */ + break; + case INPUT_FREQ_1: + /* 4.56 MHz IF: (20.48 - 4.56)/20.48 * 2^14 = 0x31c0 */ + buf[1] = 0x31; + buf[2] = 0xc0; + mt352_write(fe, buf, 3); + break; + default: + /* Pass through the register-value pair from the fw */ + buf[1] = fw->data[i+1]; + mt352_write(fe, buf, 2); + break; + } + } + + buf[0] = (u8) TUNER_GO; + buf[1] = 0x01; /* Go */ + mt352_write(fe, buf, 2); + release_firmware(fw); + return 0; +} + +static struct mt352_config yuan_mpc718_mt352_demod = { + .demod_address = 0x1e >> 1, + .adc_clock = 20480, /* 20.480 MHz */ + .if2 = 4560, /* 4.560 MHz */ + .no_tuner = 1, /* XC3028 is not behind the gate */ + .demod_init = yuan_mpc718_mt352_init, +}; + +static struct zl10353_config yuan_mpc718_zl10353_demod = { + .demod_address = 0x1e >> 1, /* Datasheet suggested straps */ + .if2 = 45600, /* 4.560 MHz IF from the XC3028 */ + .parallel_ts = 1, /* Not a serial TS */ + .no_tuner = 1, /* XC3028 is not behind the gate */ + .disable_i2c_gate_ctrl = 1, /* Disable the I2C gate */ +}; + static int dvb_register(struct cx18_stream *stream); /* Kernel DVB framework calls this when the feed needs to start. @@ -113,6 +240,7 @@ static int cx18_dvb_start_feed(struct dvb_demux_feed *feed) break; case CX18_CARD_LEADTEK_DVR3100H: + case CX18_CARD_YUAN_MPC718: default: /* Assumption - Parallel transport - Signalling * undefined or default. @@ -326,6 +454,38 @@ static int dvb_register(struct cx18_stream *stream) fe->ops.tuner_ops.set_config(fe, &ctrl); } break; + case CX18_CARD_YUAN_MPC718: + /* + * TODO + * Apparently, these cards also could instead have a + * DiBcom demod supported by one of the db7000 drivers + */ + dvb->fe = dvb_attach(mt352_attach, + &yuan_mpc718_mt352_demod, + &cx->i2c_adap[1]); + if (dvb->fe == NULL) + dvb->fe = dvb_attach(zl10353_attach, + &yuan_mpc718_zl10353_demod, + &cx->i2c_adap[1]); + if (dvb->fe != NULL) { + struct dvb_frontend *fe; + struct xc2028_config cfg = { + .i2c_adap = &cx->i2c_adap[1], + .i2c_addr = 0xc2 >> 1, + .ctrl = NULL, + }; + static struct xc2028_ctrl ctrl = { + .fname = XC2028_DEFAULT_FIRMWARE, + .max_len = 64, + .demod = XC3028_FE_ZARLINK456, + .type = XC2028_AUTO, + }; + + fe = dvb_attach(xc2028_attach, dvb->fe, &cfg); + if (fe != NULL && fe->ops.tuner_ops.set_config != NULL) + fe->ops.tuner_ops.set_config(fe, &ctrl); + } + break; default: /* No Digital Tv Support */ break; diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c index 48a9751..86ac529 100644 --- a/drivers/media/video/cx23885/cx23885-dvb.c +++ b/drivers/media/video/cx23885/cx23885-dvb.c @@ -463,6 +463,30 @@ static struct xc5000_config mygica_x8506_xc5000_config = { .if_khz = 5380, }; +static int cx23885_dvb_set_frontend(struct dvb_frontend *fe, + struct dvb_frontend_parameters *param) +{ + struct cx23885_tsport *port = fe->dvb->priv; + struct cx23885_dev *dev = port->dev; + + switch (dev->board) { + case CX23885_BOARD_HAUPPAUGE_HVR1275: + switch (param->u.vsb.modulation) { + case VSB_8: + cx23885_gpio_clear(dev, GPIO_5); + break; + case QAM_64: + case QAM_256: + default: + cx23885_gpio_set(dev, GPIO_5); + break; + } + break; + } + return (port->set_frontend_save) ? + port->set_frontend_save(fe, param) : -ENODEV; +} + static int dvb_register(struct cx23885_tsport *port) { struct cx23885_dev *dev = port->dev; @@ -502,6 +526,12 @@ static int dvb_register(struct cx23885_tsport *port) 0x60, &dev->i2c_bus[1].i2c_adap, &hauppauge_hvr127x_config); } + + /* FIXME: temporary hack */ + /* define bridge override to set_frontend */ + port->set_frontend_save = fe0->dvb.frontend->ops.set_frontend; + fe0->dvb.frontend->ops.set_frontend = cx23885_dvb_set_frontend; + break; case CX23885_BOARD_HAUPPAUGE_HVR1255: i2c_bus = &dev->i2c_bus[0]; diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h index 1a2ac51..214a55e 100644 --- a/drivers/media/video/cx23885/cx23885.h +++ b/drivers/media/video/cx23885/cx23885.h @@ -288,6 +288,10 @@ struct cx23885_tsport { /* Allow a single tsport to have multiple frontends */ u32 num_frontends; void *port_priv; + + /* FIXME: temporary hack */ + int (*set_frontend_save) (struct dvb_frontend *, + struct dvb_frontend_parameters *); }; struct cx23885_dev { diff --git a/drivers/media/video/em28xx/Kconfig b/drivers/media/video/em28xx/Kconfig index 16a5af3..6524b49 100644 --- a/drivers/media/video/em28xx/Kconfig +++ b/drivers/media/video/em28xx/Kconfig @@ -8,6 +8,8 @@ config VIDEO_EM28XX select VIDEO_SAA711X if VIDEO_HELPER_CHIPS_AUTO select VIDEO_TVP5150 if VIDEO_HELPER_CHIPS_AUTO select VIDEO_MSP3400 if VIDEO_HELPER_CHIPS_AUTO + select VIDEO_MT9V011 if VIDEO_HELPER_CHIPS_AUTO + ---help--- This is a video4linux driver for Empia 28xx based TV cards. diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c index c43fdb9..ebd24a2 100644 --- a/drivers/media/video/em28xx/em28xx-cards.c +++ b/drivers/media/video/em28xx/em28xx-cards.c @@ -58,6 +58,8 @@ static unsigned int card[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET }; module_param_array(card, int, NULL, 0444); MODULE_PARM_DESC(card, "card type"); +#define MT9V011_VERSION 0x8243 + /* Bitmask marking allocated devices from 0 to EM28XX_MAXBOARDS */ static unsigned long em28xx_devused; @@ -191,6 +193,13 @@ static struct em28xx_reg_seq terratec_av350_unmute_gpio[] = { {EM28XX_R08_GPIO, 0xff, 0xff, 10}, { -1, -1, -1, -1}, }; + +static struct em28xx_reg_seq silvercrest_reg_seq[] = { + {EM28XX_R08_GPIO, 0xff, 0xff, 10}, + {EM28XX_R08_GPIO, 0x01, 0xf7, 10}, + { -1, -1, -1, -1}, +}; + /* * Board definitions */ @@ -438,6 +447,18 @@ struct em28xx_board em28xx_boards[] = { .amux = EM28XX_AMUX_VIDEO, } }, }, + [EM2820_BOARD_SILVERCREST_WEBCAM] = { + .name = "Silvercrest Webcam 1.3mpix", + .tuner_type = TUNER_ABSENT, + .is_27xx = 1, + .decoder = EM28XX_MT9V011, + .input = { { + .type = EM28XX_VMUX_COMPOSITE1, + .vmux = 0, + .amux = EM28XX_AMUX_VIDEO, + .gpio = silvercrest_reg_seq, + } }, + }, [EM2821_BOARD_SUPERCOMP_USB_2] = { .name = "Supercomp USB 2.0 TV", .valid = EM28XX_BOARD_NOT_VALIDATED, @@ -826,7 +847,7 @@ struct em28xx_board em28xx_boards[] = { .tuner_gpio = default_tuner_gpio, .decoder = EM28XX_TVP5150, .has_dvb = 1, - .dvb_gpio = default_analog, + .dvb_gpio = default_digital, .input = { { .type = EM28XX_VMUX_TELEVISION, .vmux = TVP5150_COMPOSITE0, @@ -1639,6 +1660,11 @@ static unsigned short tvp5150_addrs[] = { I2C_CLIENT_END }; +static unsigned short mt9v011_addrs[] = { + 0xba >> 1, + I2C_CLIENT_END +}; + static unsigned short msp3400_addrs[] = { 0x80 >> 1, 0x88 >> 1, @@ -1678,6 +1704,46 @@ static inline void em28xx_set_model(struct em28xx *dev) EM28XX_I2C_FREQ_100_KHZ; } +/* HINT method: webcam I2C chips + * + * This method work for webcams with Micron sensors + */ +static int em28xx_hint_sensor(struct em28xx *dev) +{ + int rc; + char *sensor_name; + unsigned char cmd; + __be16 version_be; + u16 version; + + if (dev->model != EM2820_BOARD_UNKNOWN) + return 0; + + dev->i2c_client.addr = 0xba >> 1; + cmd = 0; + i2c_master_send(&dev->i2c_client, &cmd, 1); + rc = i2c_master_recv(&dev->i2c_client, (char *)&version_be, 2); + if (rc != 2) + return -EINVAL; + + version = be16_to_cpu(version_be); + + switch (version) { + case MT9V011_VERSION: + dev->model = EM2820_BOARD_SILVERCREST_WEBCAM; + sensor_name = "mt9v011"; + break; + default: + printk("Unknown Sensor 0x%04x\n", be16_to_cpu(version)); + return -EINVAL; + } + + em28xx_errdev("Sensor is %s, assuming that webcam is %s\n", + sensor_name, em28xx_boards[dev->model].name); + + return 0; +} + /* Since em28xx_pre_card_setup() requires a proper dev->model, * this won't work for boards with generic PCI IDs */ @@ -1706,7 +1772,10 @@ void em28xx_pre_card_setup(struct em28xx *dev) em28xx_info("chip ID is em2750\n"); break; case CHIP_ID_EM2820: - em28xx_info("chip ID is em2820\n"); + if (dev->board.is_27xx) + em28xx_info("chip is em2710\n"); + else + em28xx_info("chip ID is em2820\n"); break; case CHIP_ID_EM2840: em28xx_info("chip ID is em2840\n"); @@ -2158,6 +2227,10 @@ void em28xx_card_setup(struct em28xx *dev) before probing the i2c bus. */ em28xx_set_mode(dev, EM28XX_ANALOG_MODE); break; + case EM2820_BOARD_SILVERCREST_WEBCAM: + /* FIXME: need to document the registers bellow */ + em28xx_write_reg(dev, 0x0d, 0x42); + em28xx_write_reg(dev, 0x13, 0x08); } if (dev->board.has_snapshot_button) @@ -2189,6 +2262,10 @@ void em28xx_card_setup(struct em28xx *dev) v4l2_i2c_new_probed_subdev(&dev->v4l2_dev, &dev->i2c_adap, "tvp5150", "tvp5150", tvp5150_addrs); + if (dev->board.decoder == EM28XX_MT9V011) + v4l2_i2c_new_probed_subdev(&dev->v4l2_dev, &dev->i2c_adap, + "mt9v011", "mt9v011", mt9v011_addrs); + if (dev->board.adecoder == EM28XX_TVAUDIO) v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap, "tvaudio", "tvaudio", dev->board.tvaudio_addr); @@ -2333,6 +2410,8 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, return errCode; } + em28xx_hint_sensor(dev); + /* Do board specific init and eeprom reading */ em28xx_card_setup(dev); @@ -2573,6 +2652,7 @@ static int em28xx_usb_probe(struct usb_interface *interface, retval = em28xx_init_dev(&dev, udev, interface, nr); if (retval) { em28xx_devused &= ~(1<<dev->devno); + mutex_unlock(&dev->lock); kfree(dev); goto err; } diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c index c8d7ce8..079ab4d 100644 --- a/drivers/media/video/em28xx/em28xx-core.c +++ b/drivers/media/video/em28xx/em28xx-core.c @@ -648,17 +648,28 @@ int em28xx_capture_start(struct em28xx *dev, int start) int em28xx_set_outfmt(struct em28xx *dev) { int ret; + int vinmode, vinctl, outfmt; + + outfmt = dev->format->reg; + + if (dev->board.is_27xx) { + vinmode = 0x0d; + vinctl = 0x00; + } else { + vinmode = 0x10; + vinctl = 0x11; + } ret = em28xx_write_reg_bits(dev, EM28XX_R27_OUTFMT, - dev->format->reg | 0x20, 0x3f); + outfmt | 0x20, 0xff); if (ret < 0) - return ret; + return ret; - ret = em28xx_write_reg(dev, EM28XX_R10_VINMODE, 0x10); + ret = em28xx_write_reg(dev, EM28XX_R10_VINMODE, vinmode); if (ret < 0) return ret; - return em28xx_write_reg(dev, EM28XX_R11_VINCTRL, 0x11); + return em28xx_write_reg(dev, EM28XX_R11_VINCTRL, vinctl); } static int em28xx_accumulator_set(struct em28xx *dev, u8 xmin, u8 xmax, @@ -695,13 +706,19 @@ static int em28xx_scaler_set(struct em28xx *dev, u16 h, u16 v) { u8 mode; /* the em2800 scaler only supports scaling down to 50% */ - if (dev->board.is_em2800) + + if (dev->board.is_27xx) { + /* FIXME: Don't use the scaler yet */ + mode = 0; + } else if (dev->board.is_em2800) { mode = (v ? 0x20 : 0x00) | (h ? 0x10 : 0x00); - else { + } else { u8 buf[2]; + buf[0] = h; buf[1] = h >> 8; em28xx_write_regs(dev, EM28XX_R30_HSCALELOW, (char *)buf, 2); + buf[0] = v; buf[1] = v >> 8; em28xx_write_regs(dev, EM28XX_R32_VSCALELOW, (char *)buf, 2); @@ -720,8 +737,11 @@ int em28xx_resolution_set(struct em28xx *dev) height = norm_maxh(dev) >> 1; em28xx_set_outfmt(dev); + + em28xx_accumulator_set(dev, 1, (width - 4) >> 2, 1, (height - 4) >> 2); em28xx_capture_area_set(dev, 0, 0, width >> 2, height >> 2); + return em28xx_scaler_set(dev, dev->hscale, dev->vscale); } diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c index e7b47c8..3da97c3 100644 --- a/drivers/media/video/em28xx/em28xx-dvb.c +++ b/drivers/media/video/em28xx/em28xx-dvb.c @@ -243,6 +243,14 @@ static struct s5h1409_config em28xx_s5h1409_with_xc3028 = { .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK }; +static struct zl10353_config em28xx_terratec_xs_zl10353_xc3028 = { + .demod_address = (0x1e >> 1), + .no_tuner = 1, + .disable_i2c_gate_ctrl = 1, + .parallel_ts = 1, + .if2 = 45600, +}; + #ifdef EM28XX_DRX397XD_SUPPORT /* [TODO] djh - not sure yet what the device config needs to contain */ static struct drx397xD_config em28xx_drx397xD_with_xc3028 = { @@ -433,7 +441,6 @@ static int dvb_init(struct em28xx *dev) } break; case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900: - case EM2880_BOARD_TERRATEC_HYBRID_XS: case EM2880_BOARD_KWORLD_DVB_310U: case EM2880_BOARD_EMPIRE_DUAL_TV: dvb->frontend = dvb_attach(zl10353_attach, @@ -444,6 +451,25 @@ static int dvb_init(struct em28xx *dev) goto out_free; } break; + case EM2880_BOARD_TERRATEC_HYBRID_XS: + dvb->frontend = dvb_attach(zl10353_attach, + &em28xx_terratec_xs_zl10353_xc3028, + &dev->i2c_adap); + if (dvb->frontend == NULL) { + /* This board could have either a zl10353 or a mt352. + If the chip id isn't for zl10353, try mt352 */ + + /* FIXME: make support for mt352 work */ + printk(KERN_ERR "version of this board with mt352 not " + "currently supported\n"); + result = -EINVAL; + goto out_free; + } + if (attach_xc3028(0x61, dev) < 0) { + result = -EINVAL; + goto out_free; + } + break; case EM2883_BOARD_KWORLD_HYBRID_330U: case EM2882_BOARD_EVGA_INDTUBE: dvb->frontend = dvb_attach(s5h1409_attach, diff --git a/drivers/media/video/em28xx/em28xx-i2c.c b/drivers/media/video/em28xx/em28xx-i2c.c index 2c86fcf..27e33a2 100644 --- a/drivers/media/video/em28xx/em28xx-i2c.c +++ b/drivers/media/video/em28xx/em28xx-i2c.c @@ -483,7 +483,7 @@ static char *i2c_devs[128] = { [0xa0 >> 1] = "eeprom", [0xb0 >> 1] = "tda9874", [0xb8 >> 1] = "tvp5150a", - [0xba >> 1] = "tvp5150a", + [0xba >> 1] = "webcam sensor or tvp5150a", [0xc0 >> 1] = "tuner (analog)", [0xc2 >> 1] = "tuner (analog)", [0xc4 >> 1] = "tuner (analog)", diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index 8fe1bee..14316c9 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -90,10 +90,35 @@ MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); /* supported video standards */ static struct em28xx_fmt format[] = { { - .name = "16bpp YUY2, 4:2:2, packed", + .name = "16 bpp YUY2, 4:2:2, packed", .fourcc = V4L2_PIX_FMT_YUYV, .depth = 16, .reg = EM28XX_OUTFMT_YUV422_Y0UY1V, + }, { + .name = "16 bpp RGB 565, LE", + .fourcc = V4L2_PIX_FMT_RGB565, + .depth = 16, + .reg = EM28XX_OUTFMT_RGB_16_656, + }, { + .name = "8 bpp Bayer BGBG..GRGR", + .fourcc = V4L2_PIX_FMT_SBGGR8, + .depth = 8, + .reg = EM28XX_OUTFMT_RGB_8_BGBG, + }, { + .name = "8 bpp Bayer GRGR..BGBG", + .fourcc = V4L2_PIX_FMT_SGRBG8, + .depth = 8, + .reg = EM28XX_OUTFMT_RGB_8_GRGR, + }, { + .name = "8 bpp Bayer GBGB..RGRG", + .fourcc = V4L2_PIX_FMT_SGBRG8, + .depth = 8, + .reg = EM28XX_OUTFMT_RGB_8_GBGB, + }, { + .name = "12 bpp YUV411", + .fourcc = V4L2_PIX_FMT_YUV411P, + .depth = 12, + .reg = EM28XX_OUTFMT_YUV411, }, }; @@ -701,7 +726,11 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, return -EINVAL; } - if (dev->board.is_em2800) { + if (dev->board.is_27xx) { + /* FIXME: This is the only supported fmt */ + width = 640; + height = 480; + } else if (dev->board.is_em2800) { /* the em2800 can only scale down to 50% */ height = height > (3 * maxh / 4) ? maxh : maxh / 2; width = width > (3 * maxw / 4) ? maxw : maxw / 2; @@ -733,13 +762,40 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, return 0; } +static int em28xx_set_video_format(struct em28xx *dev, unsigned int fourcc, + unsigned width, unsigned height) +{ + struct em28xx_fmt *fmt; + + /* FIXME: This is the only supported fmt */ + if (dev->board.is_27xx) { + width = 640; + height = 480; + } + + fmt = format_by_fourcc(fourcc); + if (!fmt) + return -EINVAL; + + dev->format = fmt; + dev->width = width; + dev->height = height; + + /* set new image size */ + get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); + + em28xx_set_alternate(dev); + em28xx_resolution_set(dev); + + return 0; +} + static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { struct em28xx_fh *fh = priv; struct em28xx *dev = fh->dev; int rc; - struct em28xx_fmt *fmt; rc = check_dev(dev); if (rc < 0) @@ -749,12 +805,6 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, vidioc_try_fmt_vid_cap(file, priv, f); - fmt = format_by_fourcc(f->fmt.pix.pixelformat); - if (!fmt) { - rc = -EINVAL; - goto out; - } - if (videobuf_queue_is_busy(&fh->vb_vidq)) { em28xx_errdev("%s queue busy\n", __func__); rc = -EBUSY; @@ -767,16 +817,8 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, goto out; } - /* set new image size */ - dev->width = f->fmt.pix.width; - dev->height = f->fmt.pix.height; - dev->format = fmt; - get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); - - em28xx_set_alternate(dev); - em28xx_resolution_set(dev); - - rc = 0; + rc = em28xx_set_video_format(dev, f->fmt.pix.pixelformat, + f->fmt.pix.width, f->fmt.pix.height); out: mutex_unlock(&dev->lock); @@ -1616,11 +1658,6 @@ static int em28xx_v4l2_open(struct file *filp) filp->private_data = fh; if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { - dev->width = norm_maxw(dev); - dev->height = norm_maxh(dev); - dev->hscale = 0; - dev->vscale = 0; - em28xx_set_mode(dev, EM28XX_ANALOG_MODE); em28xx_set_alternate(dev); em28xx_resolution_set(dev); @@ -1962,15 +1999,14 @@ int em28xx_register_analog_devices(struct em28xx *dev) /* set default norm */ dev->norm = em28xx_video_template.current_norm; - dev->width = norm_maxw(dev); - dev->height = norm_maxh(dev); dev->interlaced = EM28XX_INTERLACED_DEFAULT; - dev->hscale = 0; - dev->vscale = 0; dev->ctl_input = 0; /* Analog specific initialization */ dev->format = &format[0]; + em28xx_set_video_format(dev, format[0].fourcc, + norm_maxw(dev), norm_maxh(dev)); + video_mux(dev, dev->ctl_input); /* Audio defaults */ diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h index 813ce45..d90fef4 100644 --- a/drivers/media/video/em28xx/em28xx.h +++ b/drivers/media/video/em28xx/em28xx.h @@ -107,6 +107,7 @@ #define EM2860_BOARD_TERRATEC_AV350 68 #define EM2882_BOARD_KWORLD_ATSC_315U 69 #define EM2882_BOARD_EVGA_INDTUBE 70 +#define EM2820_BOARD_SILVERCREST_WEBCAM 71 /* Limits minimum and default number of buffers */ #define EM28XX_MIN_BUF 4 @@ -360,6 +361,7 @@ enum em28xx_decoder { EM28XX_NODECODER, EM28XX_TVP5150, EM28XX_SAA711X, + EM28XX_MT9V011, }; enum em28xx_adecoder { @@ -388,6 +390,7 @@ struct em28xx_board { unsigned int max_range_640_480:1; unsigned int has_dvb:1; unsigned int has_snapshot_button:1; + unsigned int is_27xx:1; unsigned int valid:1; unsigned char xclk, i2c_speed; diff --git a/drivers/media/video/gspca/stv06xx/stv06xx.h b/drivers/media/video/gspca/stv06xx/stv06xx.h index 9df7137..992ce53 100644 --- a/drivers/media/video/gspca/stv06xx/stv06xx.h +++ b/drivers/media/video/gspca/stv06xx/stv06xx.h @@ -36,10 +36,6 @@ #define STV_ISOC_ENDPOINT_ADDR 0x81 -#ifndef V4L2_PIX_FMT_SGRBG8 -#define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') -#endif - #define STV_REG23 0x0423 /* Control registers of the STV0600 ASIC */ diff --git a/drivers/media/video/mt9v011.c b/drivers/media/video/mt9v011.c new file mode 100644 index 0000000..1fe8fc9 --- /dev/null +++ b/drivers/media/video/mt9v011.c @@ -0,0 +1,431 @@ +/* + * mt9v011 -Micron 1/4-Inch VGA Digital Image Sensor + * + * Copyright (c) 2009 Mauro Carvalho Chehab (mchehab@redhat.com) + * This code is placed under the terms of the GNU General Public License v2 + */ + +#include <linux/i2c.h> +#include <linux/videodev2.h> +#include <linux/delay.h> +#include <media/v4l2-device.h> +#include "mt9v011.h" +#include <media/v4l2-i2c-drv.h> +#include <media/v4l2-chip-ident.h> + +MODULE_DESCRIPTION("Micron mt9v011 sensor driver"); +MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>"); +MODULE_LICENSE("GPL"); + + +static int debug; +module_param(debug, int, 0); +MODULE_PARM_DESC(debug, "Debug level (0-2)"); + +/* supported controls */ +static struct v4l2_queryctrl mt9v011_qctrl[] = { + { + .id = V4L2_CID_GAIN, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Gain", + .minimum = 0, + .maximum = (1 << 10) - 1, + .step = 1, + .default_value = 0x0020, + .flags = 0, + }, { + .id = V4L2_CID_RED_BALANCE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Red Balance", + .minimum = -1 << 9, + .maximum = (1 << 9) - 1, + .step = 1, + .default_value = 0, + .flags = 0, + }, { + .id = V4L2_CID_BLUE_BALANCE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Blue Balance", + .minimum = -1 << 9, + .maximum = (1 << 9) - 1, + .step = 1, + .default_value = 0, + .flags = 0, + }, +}; + +struct mt9v011 { + struct v4l2_subdev sd; + unsigned width, height; + + u16 global_gain, red_bal, blue_bal; +}; + +static inline struct mt9v011 *to_mt9v011(struct v4l2_subdev *sd) +{ + return container_of(sd, struct mt9v011, sd); +} + +static int mt9v011_read(struct v4l2_subdev *sd, unsigned char addr) +{ + struct i2c_client *c = v4l2_get_subdevdata(sd); + __be16 buffer; + int rc, val; + + rc = i2c_master_send(c, &addr, 1); + if (rc != 1) + v4l2_dbg(0, debug, sd, + "i2c i/o error: rc == %d (should be 1)\n", rc); + + msleep(10); + + rc = i2c_master_recv(c, (char *)&buffer, 2); + if (rc != 2) + v4l2_dbg(0, debug, sd, + "i2c i/o error: rc == %d (should be 2)\n", rc); + + val = be16_to_cpu(buffer); + + v4l2_dbg(2, debug, sd, "mt9v011: read 0x%02x = 0x%04x\n", addr, val); + + return val; +} + +static void mt9v011_write(struct v4l2_subdev *sd, unsigned char addr, + u16 value) +{ + struct i2c_client *c = v4l2_get_subdevdata(sd); + unsigned char buffer[3]; + int rc; + + buffer[0] = addr; + buffer[1] = value >> 8; + buffer[2] = value & 0xff; + + v4l2_dbg(2, debug, sd, + "mt9v011: writing 0x%02x 0x%04x\n", buffer[0], value); + rc = i2c_master_send(c, buffer, 3); + if (rc != 3) + v4l2_dbg(0, debug, sd, + "i2c i/o error: rc == %d (should be 3)\n", rc); +} + + +struct i2c_reg_value { + unsigned char reg; + u16 value; +}; + +/* + * Values used at the original driver + * Some values are marked as Reserved at the datasheet + */ +static const struct i2c_reg_value mt9v011_init_default[] = { + { R0D_MT9V011_RESET, 0x0001 }, + { R0D_MT9V011_RESET, 0x0000 }, + + { R0C_MT9V011_SHUTTER_DELAY, 0x0000 }, + { R09_MT9V011_SHUTTER_WIDTH, 0x1fc }, + + { R0A_MT9V011_CLK_SPEED, 0x0000 }, + { R1E_MT9V011_DIGITAL_ZOOM, 0x0000 }, + { R20_MT9V011_READ_MODE, 0x1000 }, + + { R07_MT9V011_OUT_CTRL, 0x000a }, /* chip enable */ +}; + +static void set_balance(struct v4l2_subdev *sd) +{ + struct mt9v011 *core = to_mt9v011(sd); + u16 green1_gain, green2_gain, blue_gain, red_gain; + + green1_gain = core->global_gain; + green2_gain = core->global_gain; + + blue_gain = core->global_gain + + core->global_gain * core->blue_bal / (1 << 9); + + red_gain = core->global_gain + + core->global_gain * core->blue_bal / (1 << 9); + + mt9v011_write(sd, R2B_MT9V011_GREEN_1_GAIN, green1_gain); + mt9v011_write(sd, R2E_MT9V011_GREEN_2_GAIN, green1_gain); + mt9v011_write(sd, R2C_MT9V011_BLUE_GAIN, blue_gain); + mt9v011_write(sd, R2D_MT9V011_RED_GAIN, red_gain); +} + +static void set_res(struct v4l2_subdev *sd) +{ + struct mt9v011 *core = to_mt9v011(sd); + unsigned vstart, hstart; + + /* + * The mt9v011 doesn't have scaling. So, in order to select the desired + * resolution, we're cropping at the middle of the sensor. + * hblank and vblank should be adjusted, in order to warrant that + * we'll preserve the line timings for 30 fps, no matter what resolution + * is selected. + * NOTE: datasheet says that width (and height) should be filled with + * width-1. However, this doesn't work, since one pixel per line will + * be missing. + */ + + hstart = 14 + (640 - core->width) / 2; + mt9v011_write(sd, R02_MT9V011_COLSTART, hstart); + mt9v011_write(sd, R04_MT9V011_WIDTH, core->width); + mt9v011_write(sd, R05_MT9V011_HBLANK, 771 - core->width); + + vstart = 8 + (640 - core->height) / 2; + mt9v011_write(sd, R01_MT9V011_ROWSTART, vstart); + mt9v011_write(sd, R03_MT9V011_HEIGHT, core->height); + mt9v011_write(sd, R06_MT9V011_VBLANK, 508 - core->height); +}; + +static int mt9v011_reset(struct v4l2_subdev *sd, u32 val) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(mt9v011_init_default); i++) + mt9v011_write(sd, mt9v011_init_default[i].reg, + mt9v011_init_default[i].value); + + set_balance(sd); + set_res(sd); + + return 0; +}; + +static int mt9v011_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) +{ + struct mt9v011 *core = to_mt9v011(sd); + + v4l2_dbg(1, debug, sd, "g_ctrl called\n"); + + switch (ctrl->id) { + case V4L2_CID_GAIN: + ctrl->value = core->global_gain; + return 0; + case V4L2_CID_RED_BALANCE: + ctrl->value = core->red_bal; + return 0; + case V4L2_CID_BLUE_BALANCE: + ctrl->value = core->blue_bal; + return 0; + } + return -EINVAL; +} + +static int mt9v011_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) +{ + struct mt9v011 *core = to_mt9v011(sd); + u8 i, n; + n = ARRAY_SIZE(mt9v011_qctrl); + + for (i = 0; i < n; i++) { + if (ctrl->id != mt9v011_qctrl[i].id) + continue; + if (ctrl->value < mt9v011_qctrl[i].minimum || + ctrl->value > mt9v011_qctrl[i].maximum) + return -ERANGE; + v4l2_dbg(1, debug, sd, "s_ctrl: id=%d, value=%d\n", + ctrl->id, ctrl->value); + break; + } + + switch (ctrl->id) { + case V4L2_CID_GAIN: + core->global_gain = ctrl->value; + break; + case V4L2_CID_RED_BALANCE: + core->red_bal = ctrl->value; + break; + case V4L2_CID_BLUE_BALANCE: + core->blue_bal = ctrl->value; + break; + default: + return -EINVAL; + } + + set_balance(sd); + + return 0; +} + +static int mt9v011_enum_fmt(struct v4l2_subdev *sd, struct v4l2_fmtdesc *fmt) +{ + if (fmt->index > 0) + return -EINVAL; + + fmt->flags = 0; + strcpy(fmt->description, "8 bpp Bayer GRGR..BGBG"); + fmt->pixelformat = V4L2_PIX_FMT_SGRBG8; + + return 0; +} + +static int mt9v011_try_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt) +{ + struct v4l2_pix_format *pix = &fmt->fmt.pix; + + if (pix->pixelformat != V4L2_PIX_FMT_SGRBG8) + return -EINVAL; + + v4l_bound_align_image(&pix->width, 48, 639, 1, + &pix->height, 32, 480, 1, 0); + + return 0; +} + +static int mt9v011_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt) +{ + struct v4l2_pix_format *pix = &fmt->fmt.pix; + struct mt9v011 *core = to_mt9v011(sd); + int rc; + + rc = mt9v011_try_fmt(sd, fmt); + if (rc < 0) + return -EINVAL; + + core->width = pix->width; + core->height = pix->height; + + set_res(sd); + + return 0; +} + + +#ifdef CONFIG_VIDEO_ADV_DEBUG +static int mt9v011_g_register(struct v4l2_subdev *sd, + struct v4l2_dbg_register *reg) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + + if (!v4l2_chip_match_i2c_client(client, ®->match)) + return -EINVAL; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + + reg->val = mt9v011_read(sd, reg->reg & 0xff); + reg->size = 2; + + return 0; +} + +static int mt9v011_s_register(struct v4l2_subdev *sd, + struct v4l2_dbg_register *reg) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + + if (!v4l2_chip_match_i2c_client(client, ®->match)) + return -EINVAL; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + + mt9v011_write(sd, reg->reg & 0xff, reg->val & 0xffff); + + return 0; +} +#endif + +static int mt9v011_g_chip_ident(struct v4l2_subdev *sd, + struct v4l2_dbg_chip_ident *chip) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + + return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_MT9V011, + MT9V011_VERSION); +} + +static const struct v4l2_subdev_core_ops mt9v011_core_ops = { + .g_ctrl = mt9v011_g_ctrl, + .s_ctrl = mt9v011_s_ctrl, + .reset = mt9v011_reset, + .g_chip_ident = mt9v011_g_chip_ident, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .g_register = mt9v011_g_register, + .s_register = mt9v011_s_register, +#endif +}; + +static const struct v4l2_subdev_video_ops mt9v011_video_ops = { + .enum_fmt = mt9v011_enum_fmt, + .try_fmt = mt9v011_try_fmt, + .s_fmt = mt9v011_s_fmt, +}; + +static const struct v4l2_subdev_ops mt9v011_ops = { + .core = &mt9v011_core_ops, + .video = &mt9v011_video_ops, +}; + + +/**************************************************************************** + I2C Client & Driver + ****************************************************************************/ + +static int mt9v011_probe(struct i2c_client *c, + const struct i2c_device_id *id) +{ + u16 version; + struct mt9v011 *core; + struct v4l2_subdev *sd; + + /* Check if the adapter supports the needed features */ + if (!i2c_check_functionality(c->adapter, + I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) + return -EIO; + + core = kzalloc(sizeof(struct mt9v011), GFP_KERNEL); + if (!core) + return -ENOMEM; + + sd = &core->sd; + v4l2_i2c_subdev_init(sd, c, &mt9v011_ops); + + /* Check if the sensor is really a MT9V011 */ + version = mt9v011_read(sd, R00_MT9V011_CHIP_VERSION); + if (version != MT9V011_VERSION) { + v4l2_info(sd, "*** unknown micron chip detected (0x%04x.\n", + version); + kfree(core); + return -EINVAL; + } + + core->global_gain = 0x0024; + core->width = 640; + core->height = 480; + + v4l_info(c, "chip found @ 0x%02x (%s)\n", + c->addr << 1, c->adapter->name); + + return 0; +} + +static int mt9v011_remove(struct i2c_client *c) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(c); + + v4l2_dbg(1, debug, sd, + "mt9v011.c: removing mt9v011 adapter on address 0x%x\n", + c->addr << 1); + + v4l2_device_unregister_subdev(sd); + kfree(to_mt9v011(sd)); + return 0; +} + +/* ----------------------------------------------------------------------- */ + +static const struct i2c_device_id mt9v011_id[] = { + { "mt9v011", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, mt9v011_id); + +static struct v4l2_i2c_driver_data v4l2_i2c_data = { + .name = "mt9v011", + .probe = mt9v011_probe, + .remove = mt9v011_remove, + .id_table = mt9v011_id, +}; diff --git a/drivers/media/video/mt9v011.h b/drivers/media/video/mt9v011.h new file mode 100644 index 0000000..9e443ee --- /dev/null +++ b/drivers/media/video/mt9v011.h @@ -0,0 +1,35 @@ +/* + * mt9v011 -Micron 1/4-Inch VGA Digital Image Sensor + * + * Copyright (c) 2009 Mauro Carvalho Chehab (mchehab@redhat.com) + * This code is placed under the terms of the GNU General Public License v2 + */ + +#ifndef MT9V011_H_ +#define MT9V011_H_ + +#define R00_MT9V011_CHIP_VERSION 0x00 +#define R01_MT9V011_ROWSTART 0x01 +#define R02_MT9V011_COLSTART 0x02 +#define R03_MT9V011_HEIGHT 0x03 +#define R04_MT9V011_WIDTH 0x04 +#define R05_MT9V011_HBLANK 0x05 +#define R06_MT9V011_VBLANK 0x06 +#define R07_MT9V011_OUT_CTRL 0x07 +#define R09_MT9V011_SHUTTER_WIDTH 0x09 +#define R0A_MT9V011_CLK_SPEED 0x0a +#define R0B_MT9V011_RESTART 0x0b +#define R0C_MT9V011_SHUTTER_DELAY 0x0c +#define R0D_MT9V011_RESET 0x0d +#define R1E_MT9V011_DIGITAL_ZOOM 0x1e +#define R20_MT9V011_READ_MODE 0x20 +#define R2B_MT9V011_GREEN_1_GAIN 0x2b +#define R2C_MT9V011_BLUE_GAIN 0x2c +#define R2D_MT9V011_RED_GAIN 0x2d +#define R2E_MT9V011_GREEN_2_GAIN 0x2e +#define R35_MT9V011_GLOBAL_GAIN 0x35 +#define RF1_MT9V011_CHIP_ENABLE 0xf1 + +#define MT9V011_VERSION 0x8243 + +#endif diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c index 16f595d..9f5ae81 100644 --- a/drivers/media/video/soc_camera.c +++ b/drivers/media/video/soc_camera.c @@ -237,11 +237,11 @@ static int soc_camera_init_user_formats(struct soc_camera_device *icd) return -ENOMEM; icd->num_user_formats = fmts; - fmts = 0; dev_dbg(&icd->dev, "Found %d supported formats.\n", fmts); /* Second pass - actually fill data formats */ + fmts = 0; for (i = 0; i < icd->num_formats; i++) if (!ici->ops->get_formats) { icd->user_formats[i].host_fmt = icd->formats + i; @@ -877,8 +877,11 @@ static int soc_camera_probe(struct device *dev) (unsigned short)~0; ret = soc_camera_init_user_formats(icd); - if (ret < 0) + if (ret < 0) { + if (icd->ops->remove) + icd->ops->remove(icd); goto eiufmt; + } icd->height = DEFAULT_HEIGHT; icd->width = DEFAULT_WIDTH; @@ -902,8 +905,10 @@ static int soc_camera_remove(struct device *dev) { struct soc_camera_device *icd = to_soc_camera_dev(dev); + mutex_lock(&icd->video_lock); if (icd->ops->remove) icd->ops->remove(icd); + mutex_unlock(&icd->video_lock); soc_camera_free_user_formats(icd); @@ -1145,6 +1150,7 @@ evidallocd: } EXPORT_SYMBOL(soc_camera_video_start); +/* Called from client .remove() methods with .video_lock held */ void soc_camera_video_stop(struct soc_camera_device *icd) { struct video_device *vdev = icd->vdev; @@ -1154,10 +1160,8 @@ void soc_camera_video_stop(struct soc_camera_device *icd) if (!icd->dev.parent || !vdev) return; - mutex_lock(&icd->video_lock); video_unregister_device(vdev); icd->vdev = NULL; - mutex_unlock(&icd->video_lock); } EXPORT_SYMBOL(soc_camera_video_stop); diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c index cd72668..7705fc6 100644 --- a/drivers/media/video/vivi.c +++ b/drivers/media/video/vivi.c @@ -343,6 +343,53 @@ static struct bar_std bars[] = { #define TO_U(r, g, b) \ (((-9714 * r - 19070 * g + 28784 * b + 32768) >> 16) + 128) +/* precalculate color bar values to speed up rendering */ +static void precalculate_bars(struct vivi_fh *fh) +{ + struct vivi_dev *dev = fh->dev; + unsigned char r, g, b; + int k, is_yuv; + + fh->input = dev->input; + + for (k = 0; k < 8; k++) { + r = bars[fh->input].bar[k][0]; + g = bars[fh->input].bar[k][1]; + b = bars[fh->input].bar[k][2]; + is_yuv = 0; + + switch (fh->fmt->fourcc) { + case V4L2_PIX_FMT_YUYV: + case V4L2_PIX_FMT_UYVY: + is_yuv = 1; + break; + case V4L2_PIX_FMT_RGB565: + case V4L2_PIX_FMT_RGB565X: + r >>= 3; + g >>= 2; + b >>= 3; + break; + case V4L2_PIX_FMT_RGB555: + case V4L2_PIX_FMT_RGB555X: + r >>= 3; + g >>= 3; + b >>= 3; + break; + } + + if (is_yuv) { + fh->bars[k][0] = TO_Y(r, g, b); /* Luma */ + fh->bars[k][1] = TO_U(r, g, b); /* Cb */ + fh->bars[k][2] = TO_V(r, g, b); /* Cr */ + } else { + fh->bars[k][0] = r; + fh->bars[k][1] = g; + fh->bars[k][2] = b; + } + } + +} + #define TSTAMP_MIN_Y 24 #define TSTAMP_MAX_Y (TSTAMP_MIN_Y + 15) #define TSTAMP_INPUT_X 10 @@ -755,6 +802,8 @@ buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, buf->vb.height = fh->height; buf->vb.field = field; + precalculate_bars(fh); + if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { rc = videobuf_iolock(vq, &buf->vb, NULL); if (rc < 0) @@ -893,53 +942,6 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, return 0; } -/* precalculate color bar values to speed up rendering */ -static void precalculate_bars(struct vivi_fh *fh) -{ - struct vivi_dev *dev = fh->dev; - unsigned char r, g, b; - int k, is_yuv; - - fh->input = dev->input; - - for (k = 0; k < 8; k++) { - r = bars[fh->input].bar[k][0]; - g = bars[fh->input].bar[k][1]; - b = bars[fh->input].bar[k][2]; - is_yuv = 0; - - switch (fh->fmt->fourcc) { - case V4L2_PIX_FMT_YUYV: - case V4L2_PIX_FMT_UYVY: - is_yuv = 1; - break; - case V4L2_PIX_FMT_RGB565: - case V4L2_PIX_FMT_RGB565X: - r >>= 3; - g >>= 2; - b >>= 3; - break; - case V4L2_PIX_FMT_RGB555: - case V4L2_PIX_FMT_RGB555X: - r >>= 3; - g >>= 3; - b >>= 3; - break; - } - - if (is_yuv) { - fh->bars[k][0] = TO_Y(r, g, b); /* Luma */ - fh->bars[k][1] = TO_U(r, g, b); /* Cb */ - fh->bars[k][2] = TO_V(r, g, b); /* Cr */ - } else { - fh->bars[k][0] = r; - fh->bars[k][1] = g; - fh->bars[k][2] = b; - } - } - -} - /*FIXME: This seems to be generic enough to be at videodev2 */ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) @@ -965,8 +967,6 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, fh->vb_vidq.field = f->fmt.pix.field; fh->type = f->type; - precalculate_bars(fh); - ret = 0; out: mutex_unlock(&q->vb_lock); @@ -1357,6 +1357,7 @@ static int __init vivi_create_instance(int inst) goto unreg_dev; *vfd = vivi_template; + vfd->debug = debug; ret = video_register_device(vfd, VFL_TYPE_GRABBER, video_nr); if (ret < 0) diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c index 671a7ef..c1de4af 100644 --- a/drivers/mfd/ezx-pcap.c +++ b/drivers/mfd/ezx-pcap.c @@ -238,8 +238,10 @@ static irqreturn_t pcap_adc_irq(int irq, void *_pcap) mutex_lock(&pcap->adc_mutex); req = pcap->adc_queue[pcap->adc_head]; - if (WARN(!req, KERN_WARNING "adc irq without pending request\n")) + if (WARN(!req, KERN_WARNING "adc irq without pending request\n")) { + mutex_unlock(&pcap->adc_mutex); return IRQ_HANDLED; + } /* read requested channels results */ ezx_pcap_read(pcap, PCAP_REG_ADC, &tmp); diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c index 4c7b796..0cc5eef 100644 --- a/drivers/mfd/sm501.c +++ b/drivers/mfd/sm501.c @@ -367,7 +367,8 @@ int sm501_unit_power(struct device *dev, unsigned int unit, unsigned int to) break; default: - return -1; + gate = -1; + goto already; } writel(mode, sm->regs + SM501_POWER_MODE_CONTROL); diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c index 240608c..a461017 100644 --- a/drivers/mmc/host/mmc_spi.c +++ b/drivers/mmc/host/mmc_spi.c @@ -1313,6 +1313,12 @@ static int mmc_spi_probe(struct spi_device *spi) struct mmc_spi_host *host; int status; + /* We rely on full duplex transfers, mostly to reduce + * per-transfer overheads (by making fewer transfers). + */ + if (spi->master->flags & SPI_MASTER_HALF_DUPLEX) + return -EINVAL; + /* MMC and SD specs only seem to care that sampling is on the * rising edge ... meaning SPI modes 0 or 3. So either SPI mode * should be legit. We'll use mode 0 since the steady state is 0, diff --git a/drivers/mtd/cmdlinepart.c b/drivers/mtd/cmdlinepart.c index 5011fa7..1479da6 100644 --- a/drivers/mtd/cmdlinepart.c +++ b/drivers/mtd/cmdlinepart.c @@ -194,7 +194,7 @@ static struct mtd_partition * newpart(char *s, parts[this_part].name = extra_mem; extra_mem += name_len + 1; - dbg(("partition %d: name <%s>, offset %x, size %x, mask flags %x\n", + dbg(("partition %d: name <%s>, offset %llx, size %llx, mask flags %x\n", this_part, parts[this_part].name, parts[this_part].offset, diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index 59c4612..ae5fe91 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -54,7 +54,7 @@ #define SR_SRWD 0x80 /* SR write protect */ /* Define max times to check status register before we give up. */ -#define MAX_READY_WAIT_JIFFIES (10 * HZ) /* eg. M25P128 specs 6s max sector erase */ +#define MAX_READY_WAIT_JIFFIES (40 * HZ) /* M25P16 specs 40s max chip erase */ #define CMD_SIZE 4 #ifdef CONFIG_M25PXX_USE_FAST_READ diff --git a/drivers/mtd/inftlcore.c b/drivers/mtd/inftlcore.c index 73f0522..d8cf29c 100644 --- a/drivers/mtd/inftlcore.c +++ b/drivers/mtd/inftlcore.c @@ -226,7 +226,7 @@ static u16 INFTL_findfreeblock(struct INFTLrecord *inftl, int desperate) if (!desperate && inftl->numfreeEUNs < 2) { DEBUG(MTD_DEBUG_LEVEL1, "INFTL: there are too few free " "EUNs (%d)\n", inftl->numfreeEUNs); - return 0xffff; + return BLOCK_NIL; } /* Scan for a free block */ @@ -281,7 +281,8 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned silly = MAX_LOOPS; while (thisEUN < inftl->nb_blocks) { for (block = 0; block < inftl->EraseSize/SECTORSIZE; block ++) { - if ((BlockMap[block] != 0xffff) || BlockDeleted[block]) + if ((BlockMap[block] != BLOCK_NIL) || + BlockDeleted[block]) continue; if (inftl_read_oob(mtd, (thisEUN * inftl->EraseSize) @@ -525,7 +526,7 @@ static inline u16 INFTL_findwriteunit(struct INFTLrecord *inftl, unsigned block) if (!silly--) { printk(KERN_WARNING "INFTL: infinite loop in " "Virtual Unit Chain 0x%x\n", thisVUC); - return 0xffff; + return BLOCK_NIL; } /* Skip to next block in chain */ @@ -549,7 +550,7 @@ hitused: * waiting to be picked up. We're going to have to fold * a chain to make room. */ - thisEUN = INFTL_makefreeblock(inftl, 0xffff); + thisEUN = INFTL_makefreeblock(inftl, BLOCK_NIL); /* * Hopefully we free something, lets try again. @@ -631,7 +632,7 @@ hitused: printk(KERN_WARNING "INFTL: error folding to make room for Virtual " "Unit Chain 0x%x\n", thisVUC); - return 0xffff; + return BLOCK_NIL; } /* diff --git a/drivers/mtd/maps/integrator-flash.c b/drivers/mtd/maps/integrator-flash.c index b08a798..2aac41b 100644 --- a/drivers/mtd/maps/integrator-flash.c +++ b/drivers/mtd/maps/integrator-flash.c @@ -42,10 +42,8 @@ #include <mach/hardware.h> #include <asm/system.h> -#define SUBDEV_NAME_SIZE (BUS_ID_SIZE + 2) - struct armflash_subdev_info { - char name[SUBDEV_NAME_SIZE]; + char *name; struct mtd_info *mtd; struct map_info map; struct flash_platform_data *plat; @@ -134,6 +132,8 @@ static void armflash_subdev_remove(struct armflash_subdev_info *subdev) map_destroy(subdev->mtd); if (subdev->map.virt) iounmap(subdev->map.virt); + kfree(subdev->name); + subdev->name = NULL; release_mem_region(subdev->map.phys, subdev->map.size); } @@ -177,16 +177,22 @@ static int armflash_probe(struct platform_device *dev) if (nr == 1) /* No MTD concatenation, just use the default name */ - snprintf(subdev->name, SUBDEV_NAME_SIZE, "%s", - dev_name(&dev->dev)); + subdev->name = kstrdup(dev_name(&dev->dev), GFP_KERNEL); else - snprintf(subdev->name, SUBDEV_NAME_SIZE, "%s-%d", - dev_name(&dev->dev), i); + subdev->name = kasprintf(GFP_KERNEL, "%s-%d", + dev_name(&dev->dev), i); + if (!subdev->name) { + err = -ENOMEM; + break; + } subdev->plat = plat; err = armflash_subdev_probe(subdev, res); - if (err) + if (err) { + kfree(subdev->name); + subdev->name = NULL; break; + } } info->nr_subdev = i; diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c index 2802992..20c828b 100644 --- a/drivers/mtd/nand/atmel_nand.c +++ b/drivers/mtd/nand/atmel_nand.c @@ -534,7 +534,7 @@ static int __init atmel_nand_probe(struct platform_device *pdev) &num_partitions); if ((!partitions) || (num_partitions == 0)) { - printk(KERN_ERR "atmel_nand: No parititions defined, or unsupported device.\n"); + printk(KERN_ERR "atmel_nand: No partitions defined, or unsupported device.\n"); res = ENXIO; goto err_no_partitions; } diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index 0cd76f8..ebd07e9 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -11,6 +11,8 @@ #include <linux/platform_device.h> #include <linux/dma-mapping.h> #include <linux/delay.h> +#include <linux/jiffies.h> +#include <linux/sched.h> #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> @@ -541,7 +543,7 @@ static int omap_wait(struct mtd_info *mtd, struct nand_chip *chip) struct omap_nand_info *info = container_of(mtd, struct omap_nand_info, mtd); unsigned long timeo = jiffies; - int status, state = this->state; + int status = NAND_STATUS_FAIL, state = this->state; if (state == FL_ERASING) timeo += (HZ * 400) / 1000; @@ -556,8 +558,9 @@ static int omap_wait(struct mtd_info *mtd, struct nand_chip *chip) while (time_before(jiffies, timeo)) { status = __raw_readb(this->IO_ADDR_R); - if (!(status & 0x40)) + if (status & NAND_STATUS_READY) break; + cond_resched(); } return status; } diff --git a/drivers/mtd/nftlcore.c b/drivers/mtd/nftlcore.c index e3f8495..fb86cac 100644 --- a/drivers/mtd/nftlcore.c +++ b/drivers/mtd/nftlcore.c @@ -208,7 +208,7 @@ static u16 NFTL_findfreeblock(struct NFTLrecord *nftl, int desperate ) /* Normally, we force a fold to happen before we run out of free blocks completely */ if (!desperate && nftl->numfreeEUNs < 2) { DEBUG(MTD_DEBUG_LEVEL1, "NFTL_findfreeblock: there are too few free EUNs\n"); - return 0xffff; + return BLOCK_NIL; } /* Scan for a free block */ @@ -230,11 +230,11 @@ static u16 NFTL_findfreeblock(struct NFTLrecord *nftl, int desperate ) printk("Argh! No free blocks found! LastFreeEUN = %d, " "FirstEUN = %d\n", nftl->LastFreeEUN, le16_to_cpu(nftl->MediaHdr.FirstPhysicalEUN)); - return 0xffff; + return BLOCK_NIL; } } while (pot != nftl->LastFreeEUN); - return 0xffff; + return BLOCK_NIL; } static u16 NFTL_foldchain (struct NFTLrecord *nftl, unsigned thisVUC, unsigned pendingblock ) @@ -431,7 +431,7 @@ static u16 NFTL_foldchain (struct NFTLrecord *nftl, unsigned thisVUC, unsigned p /* add the header so that it is now a valid chain */ oob.u.a.VirtUnitNum = oob.u.a.SpareVirtUnitNum = cpu_to_le16(thisVUC); - oob.u.a.ReplUnitNum = oob.u.a.SpareReplUnitNum = 0xffff; + oob.u.a.ReplUnitNum = oob.u.a.SpareReplUnitNum = BLOCK_NIL; nftl_write_oob(mtd, (nftl->EraseSize * targetEUN) + 8, 8, &retlen, (char *)&oob.u); @@ -515,7 +515,7 @@ static u16 NFTL_makefreeblock( struct NFTLrecord *nftl , unsigned pendingblock) if (ChainLength < 2) { printk(KERN_WARNING "No Virtual Unit Chains available for folding. " "Failing request\n"); - return 0xffff; + return BLOCK_NIL; } return NFTL_foldchain (nftl, LongestChain, pendingblock); @@ -578,7 +578,7 @@ static inline u16 NFTL_findwriteunit(struct NFTLrecord *nftl, unsigned block) printk(KERN_WARNING "Infinite loop in Virtual Unit Chain 0x%x\n", thisVUC); - return 0xffff; + return BLOCK_NIL; } /* Skip to next block in chain */ @@ -601,7 +601,7 @@ static inline u16 NFTL_findwriteunit(struct NFTLrecord *nftl, unsigned block) //u16 startEUN = nftl->EUNtable[thisVUC]; //printk("Write to VirtualUnitChain %d, calling makefreeblock()\n", thisVUC); - writeEUN = NFTL_makefreeblock(nftl, 0xffff); + writeEUN = NFTL_makefreeblock(nftl, BLOCK_NIL); if (writeEUN == BLOCK_NIL) { /* OK, we accept that the above comment is @@ -673,7 +673,7 @@ static inline u16 NFTL_findwriteunit(struct NFTLrecord *nftl, unsigned block) printk(KERN_WARNING "Error folding to make room for Virtual Unit Chain 0x%x\n", thisVUC); - return 0xffff; + return BLOCK_NIL; } static int nftl_writeblock(struct mtd_blktrans_dev *mbd, unsigned long block, diff --git a/drivers/net/benet/be_hw.h b/drivers/net/benet/be_hw.h index b02e805..29c33c7 100644 --- a/drivers/net/benet/be_hw.h +++ b/drivers/net/benet/be_hw.h @@ -55,6 +55,10 @@ #define MEMBAR_CTRL_INT_CTRL_PFUNC_MASK 0x7 /* bits 26 - 28 */ #define MEMBAR_CTRL_INT_CTRL_PFUNC_SHIFT 26 +/********* ISR0 Register offset **********/ +#define CEV_ISR0_OFFSET 0xC18 +#define CEV_ISR_SIZE 4 + /********* Event Q door bell *************/ #define DB_EQ_OFFSET DB_CQ_OFFSET #define DB_EQ_RING_ID_MASK 0x1FF /* bits 0 - 8 */ diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c index 308eb09..c43f6a1 100644 --- a/drivers/net/benet/be_main.c +++ b/drivers/net/benet/be_main.c @@ -1274,15 +1274,17 @@ static irqreturn_t be_intx(int irq, void *dev) { struct be_adapter *adapter = dev; struct be_ctrl_info *ctrl = &adapter->ctrl; - int rx, tx; + int isr; - tx = event_handle(ctrl, &adapter->tx_eq); - rx = event_handle(ctrl, &adapter->rx_eq); + isr = ioread32(ctrl->csr + CEV_ISR0_OFFSET + + ctrl->pci_func * CEV_ISR_SIZE); + if (!isr) + return IRQ_NONE; - if (rx || tx) - return IRQ_HANDLED; - else - return IRQ_NONE; + event_handle(ctrl, &adapter->tx_eq); + event_handle(ctrl, &adapter->rx_eq); + + return IRQ_HANDLED; } static irqreturn_t be_msix_rx(int irq, void *dev) diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h index 8678457..85a737c 100644 --- a/drivers/net/bnx2x.h +++ b/drivers/net/bnx2x.h @@ -902,6 +902,8 @@ struct bnx2x { u16 rx_quick_cons_trip; u16 rx_ticks_int; u16 rx_ticks; +/* Maximal coalescing timeout in us */ +#define BNX2X_MAX_COALESCE_TOUT (0xf0*12) u32 lin_cnt; diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c index fbf1352..6c67be6 100644 --- a/drivers/net/bnx2x_main.c +++ b/drivers/net/bnx2x_main.c @@ -4434,7 +4434,7 @@ static void bnx2x_update_coalesce(struct bnx2x *bp) REG_WR16(bp, BAR_USTRORM_INTMEM + USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, U_SB_ETH_RX_CQ_INDEX), - bp->rx_ticks ? 0 : 1); + (bp->rx_ticks/12) ? 0 : 1); /* HC_INDEX_C_ETH_TX_CQ_CONS */ REG_WR8(bp, BAR_CSTRORM_INTMEM + @@ -4444,7 +4444,7 @@ static void bnx2x_update_coalesce(struct bnx2x *bp) REG_WR16(bp, BAR_CSTRORM_INTMEM + CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, C_SB_ETH_TX_CQ_INDEX), - bp->tx_ticks ? 0 : 1); + (bp->tx_ticks/12) ? 0 : 1); } } @@ -8637,6 +8637,14 @@ static int bnx2x_nway_reset(struct net_device *dev) return 0; } +static u32 +bnx2x_get_link(struct net_device *dev) +{ + struct bnx2x *bp = netdev_priv(dev); + + return bp->link_vars.link_up; +} + static int bnx2x_get_eeprom_len(struct net_device *dev) { struct bnx2x *bp = netdev_priv(dev); @@ -9061,12 +9069,12 @@ static int bnx2x_set_coalesce(struct net_device *dev, struct bnx2x *bp = netdev_priv(dev); bp->rx_ticks = (u16) coal->rx_coalesce_usecs; - if (bp->rx_ticks > 3000) - bp->rx_ticks = 3000; + if (bp->rx_ticks > BNX2X_MAX_COALESCE_TOUT) + bp->rx_ticks = BNX2X_MAX_COALESCE_TOUT; bp->tx_ticks = (u16) coal->tx_coalesce_usecs; - if (bp->tx_ticks > 0x3000) - bp->tx_ticks = 0x3000; + if (bp->tx_ticks > BNX2X_MAX_COALESCE_TOUT) + bp->tx_ticks = BNX2X_MAX_COALESCE_TOUT; if (netif_running(dev)) bnx2x_update_coalesce(bp); @@ -10034,7 +10042,7 @@ static struct ethtool_ops bnx2x_ethtool_ops = { .get_msglevel = bnx2x_get_msglevel, .set_msglevel = bnx2x_set_msglevel, .nway_reset = bnx2x_nway_reset, - .get_link = ethtool_op_get_link, + .get_link = bnx2x_get_link, .get_eeprom_len = bnx2x_get_eeprom_len, .get_eeprom = bnx2x_get_eeprom, .set_eeprom = bnx2x_set_eeprom, diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 5e3356f..5b8cbdb 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -2185,12 +2185,16 @@ static void e1000_clean_rx_ring(struct e1000_adapter *adapter, /* Free all the Rx ring sk_buffs */ for (i = 0; i < rx_ring->count; i++) { buffer_info = &rx_ring->buffer_info[i]; - if (buffer_info->skb) { + if (buffer_info->dma) { pci_unmap_single(pdev, buffer_info->dma, buffer_info->length, PCI_DMA_FROMDEVICE); + } + + buffer_info->dma = 0; + if (buffer_info->skb) { dev_kfree_skb(buffer_info->skb); buffer_info->skb = NULL; } @@ -4033,6 +4037,7 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter, buffer_info->dma, buffer_info->length, PCI_DMA_FROMDEVICE); + buffer_info->dma = 0; length = le16_to_cpu(rx_desc->length); /* !EOP means multiple descriptors were used to store a single @@ -4222,6 +4227,7 @@ map_skb: pci_unmap_single(pdev, buffer_info->dma, adapter->rx_buffer_len, PCI_DMA_FROMDEVICE); + buffer_info->dma = 0; break; /* while !buffer_info->skb */ } @@ -4817,6 +4823,9 @@ static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev, netif_device_detach(netdev); + if (state == pci_channel_io_perm_failure) + return PCI_ERS_RESULT_DISCONNECT; + if (netif_running(netdev)) e1000_down(adapter); pci_disable_device(pdev); diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h index 8890c97..c0f185b 100644 --- a/drivers/net/e1000e/defines.h +++ b/drivers/net/e1000e/defines.h @@ -238,6 +238,7 @@ #define E1000_STATUS_SPEED_100 0x00000040 /* Speed 100Mb/s */ #define E1000_STATUS_SPEED_1000 0x00000080 /* Speed 1000Mb/s */ #define E1000_STATUS_LAN_INIT_DONE 0x00000200 /* Lan Init Completion by NVM */ +#define E1000_STATUS_PHYRA 0x00000400 /* PHY Reset Asserted */ #define E1000_STATUS_GIO_MASTER_ENABLE 0x00080000 /* Status of Master requests. */ /* Constants used to interpret the masked PCI-X bus speed. */ @@ -575,6 +576,8 @@ #define PHY_1000T_STATUS 0x0A /* 1000Base-T Status Reg */ #define PHY_EXT_STATUS 0x0F /* Extended Status Reg */ +#define PHY_CONTROL_LB 0x4000 /* PHY Loopback bit */ + /* NVM Control */ #define E1000_EECD_SK 0x00000001 /* NVM Clock */ #define E1000_EECD_CS 0x00000002 /* NVM Chip Select */ diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h index 163c1c0..fd44d9f 100644 --- a/drivers/net/e1000e/hw.h +++ b/drivers/net/e1000e/hw.h @@ -215,6 +215,7 @@ enum e1e_registers { E1000_SWSM = 0x05B50, /* SW Semaphore */ E1000_FWSM = 0x05B54, /* FW Semaphore */ E1000_SWSM2 = 0x05B58, /* Driver-only SW semaphore */ + E1000_CRC_OFFSET = 0x05F50, /* CRC Offset register */ E1000_HICR = 0x08F00, /* Host Interface Control */ }; @@ -302,6 +303,9 @@ enum e1e_registers { #define E1000_KMRNCTRLSTA_REN 0x00200000 #define E1000_KMRNCTRLSTA_DIAG_OFFSET 0x3 /* Kumeran Diagnostic */ #define E1000_KMRNCTRLSTA_DIAG_NELPBK 0x1000 /* Nearend Loopback mode */ +#define E1000_KMRNCTRLSTA_K1_CONFIG 0x7 +#define E1000_KMRNCTRLSTA_K1_ENABLE 0x140E +#define E1000_KMRNCTRLSTA_K1_DISABLE 0x1400 #define IFE_PHY_EXTENDED_STATUS_CONTROL 0x10 #define IFE_PHY_SPECIAL_CONTROL 0x11 /* 100BaseTx PHY Special Control */ diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c index 9e23f50..d56c747 100644 --- a/drivers/net/e1000e/ich8lan.c +++ b/drivers/net/e1000e/ich8lan.c @@ -338,6 +338,7 @@ static s32 e1000_init_nvm_params_ich8lan(struct e1000_hw *hw) { struct e1000_nvm_info *nvm = &hw->nvm; struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; + union ich8_hws_flash_status hsfsts; u32 gfpreg; u32 sector_base_addr; u32 sector_end_addr; @@ -374,6 +375,20 @@ static s32 e1000_init_nvm_params_ich8lan(struct e1000_hw *hw) /* Adjust to word count */ nvm->flash_bank_size /= sizeof(u16); + /* + * Make sure the flash bank size does not overwrite the 4k + * sector ranges. We may have 64k allotted to us but we only care + * about the first 2 4k sectors. Therefore, if we have anything less + * than 64k set in the HSFSTS register, we will reduce the bank size + * down to 4k and let the rest remain unused. If berasesz == 3, then + * we are working in 64k mode. Otherwise we are not. + */ + if (nvm->flash_bank_size > E1000_ICH8_SHADOW_RAM_WORDS) { + hsfsts.regval = er16flash(ICH_FLASH_HSFSTS); + if (hsfsts.hsf_status.berasesz != 3) + nvm->flash_bank_size = E1000_ICH8_SHADOW_RAM_WORDS; + } + nvm->word_size = E1000_ICH8_SHADOW_RAM_WORDS; /* Clear shadow ram */ @@ -446,6 +461,95 @@ static s32 e1000_init_mac_params_ich8lan(struct e1000_adapter *adapter) return 0; } +/** + * e1000_check_for_copper_link_ich8lan - Check for link (Copper) + * @hw: pointer to the HW structure + * + * Checks to see of the link status of the hardware has changed. If a + * change in link status has been detected, then we read the PHY registers + * to get the current speed/duplex if link exists. + **/ +static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) +{ + struct e1000_mac_info *mac = &hw->mac; + s32 ret_val; + bool link; + + /* + * We only want to go out to the PHY registers to see if Auto-Neg + * has completed and/or if our link status has changed. The + * get_link_status flag is set upon receiving a Link Status + * Change or Rx Sequence Error interrupt. + */ + if (!mac->get_link_status) { + ret_val = 0; + goto out; + } + + if (hw->mac.type == e1000_pchlan) { + ret_val = e1000e_write_kmrn_reg(hw, + E1000_KMRNCTRLSTA_K1_CONFIG, + E1000_KMRNCTRLSTA_K1_ENABLE); + if (ret_val) + goto out; + } + + /* + * First we want to see if the MII Status Register reports + * link. If so, then we want to get the current speed/duplex + * of the PHY. + */ + ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); + if (ret_val) + goto out; + + if (!link) + goto out; /* No link detected */ + + mac->get_link_status = false; + + if (hw->phy.type == e1000_phy_82578) { + ret_val = e1000_link_stall_workaround_hv(hw); + if (ret_val) + goto out; + } + + /* + * Check if there was DownShift, must be checked + * immediately after link-up + */ + e1000e_check_downshift(hw); + + /* + * If we are forcing speed/duplex, then we simply return since + * we have already determined whether we have link or not. + */ + if (!mac->autoneg) { + ret_val = -E1000_ERR_CONFIG; + goto out; + } + + /* + * Auto-Neg is enabled. Auto Speed Detection takes care + * of MAC speed/duplex configuration. So we only need to + * configure Collision Distance in the MAC. + */ + e1000e_config_collision_dist(hw); + + /* + * Configure Flow Control now that Auto-Neg has completed. + * First, we need to restore the desired flow control + * settings because we may have had to re-autoneg with a + * different link partner. + */ + ret_val = e1000e_config_fc_after_link_up(hw); + if (ret_val) + hw_dbg(hw, "Error configuring flow control\n"); + +out: + return ret_val; +} + static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter) { struct e1000_hw *hw = &adapter->hw; @@ -694,6 +798,38 @@ static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw) } /** + * e1000_lan_init_done_ich8lan - Check for PHY config completion + * @hw: pointer to the HW structure + * + * Check the appropriate indication the MAC has finished configuring the + * PHY after a software reset. + **/ +static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw) +{ + u32 data, loop = E1000_ICH8_LAN_INIT_TIMEOUT; + + /* Wait for basic configuration completes before proceeding */ + do { + data = er32(STATUS); + data &= E1000_STATUS_LAN_INIT_DONE; + udelay(100); + } while ((!data) && --loop); + + /* + * If basic configuration is incomplete before the above loop + * count reaches 0, loading the configuration from NVM will + * leave the PHY in a bad state possibly resulting in no link. + */ + if (loop == 0) + hw_dbg(hw, "LAN_INIT_DONE not set, increase timeout\n"); + + /* Clear the Init Done bit for the next init event */ + data = er32(STATUS); + data &= ~E1000_STATUS_LAN_INIT_DONE; + ew32(STATUS, data); +} + +/** * e1000_phy_hw_reset_ich8lan - Performs a PHY reset * @hw: pointer to the HW structure * @@ -707,13 +843,15 @@ static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw) u32 i; u32 data, cnf_size, cnf_base_addr, sw_cfg_mask; s32 ret_val; - u16 loop = E1000_ICH8_LAN_INIT_TIMEOUT; u16 word_addr, reg_data, reg_addr, phy_page = 0; ret_val = e1000e_phy_hw_reset_generic(hw); if (ret_val) return ret_val; + /* Allow time for h/w to get to a quiescent state after reset */ + mdelay(10); + if (hw->mac.type == e1000_pchlan) { ret_val = e1000_hv_phy_workarounds_ich8lan(hw); if (ret_val) @@ -741,26 +879,8 @@ static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw) if (!(data & sw_cfg_mask)) return 0; - /* Wait for basic configuration completes before proceeding*/ - do { - data = er32(STATUS); - data &= E1000_STATUS_LAN_INIT_DONE; - udelay(100); - } while ((!data) && --loop); - - /* - * If basic configuration is incomplete before the above loop - * count reaches 0, loading the configuration from NVM will - * leave the PHY in a bad state possibly resulting in no link. - */ - if (loop == 0) { - hw_dbg(hw, "LAN_INIT_DONE not set, increase timeout\n"); - } - - /* Clear the Init Done bit for the next init event */ - data = er32(STATUS); - data &= ~E1000_STATUS_LAN_INIT_DONE; - ew32(STATUS, data); + /* Wait for basic configuration completes before proceeding */ + e1000_lan_init_done_ich8lan(hw); /* * Make sure HW does not configure LCD from PHY @@ -961,12 +1081,14 @@ static s32 e1000_set_d0_lplu_state_ich8lan(struct e1000_hw *hw, bool active) phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU; ew32(PHY_CTRL, phy_ctrl); + if (phy->type != e1000_phy_igp_3) + return 0; + /* * Call gig speed drop workaround on LPLU before accessing * any PHY registers */ - if ((hw->mac.type == e1000_ich8lan) && - (hw->phy.type == e1000_phy_igp_3)) + if (hw->mac.type == e1000_ich8lan) e1000e_gig_downshift_workaround_ich8lan(hw); /* When LPLU is enabled, we should disable SmartSpeed */ @@ -979,6 +1101,9 @@ static s32 e1000_set_d0_lplu_state_ich8lan(struct e1000_hw *hw, bool active) phy_ctrl &= ~E1000_PHY_CTRL_D0A_LPLU; ew32(PHY_CTRL, phy_ctrl); + if (phy->type != e1000_phy_igp_3) + return 0; + /* * LPLU and SmartSpeed are mutually exclusive. LPLU is used * during Dx states where the power conservation is most @@ -1038,6 +1163,10 @@ static s32 e1000_set_d3_lplu_state_ich8lan(struct e1000_hw *hw, bool active) if (!active) { phy_ctrl &= ~E1000_PHY_CTRL_NOND0A_LPLU; ew32(PHY_CTRL, phy_ctrl); + + if (phy->type != e1000_phy_igp_3) + return 0; + /* * LPLU and SmartSpeed are mutually exclusive. LPLU is used * during Dx states where the power conservation is most @@ -1073,12 +1202,14 @@ static s32 e1000_set_d3_lplu_state_ich8lan(struct e1000_hw *hw, bool active) phy_ctrl |= E1000_PHY_CTRL_NOND0A_LPLU; ew32(PHY_CTRL, phy_ctrl); + if (phy->type != e1000_phy_igp_3) + return 0; + /* * Call gig speed drop workaround on LPLU before accessing * any PHY registers */ - if ((hw->mac.type == e1000_ich8lan) && - (hw->phy.type == e1000_phy_igp_3)) + if (hw->mac.type == e1000_ich8lan) e1000e_gig_downshift_workaround_ich8lan(hw); /* When LPLU is enabled, we should disable SmartSpeed */ @@ -1905,7 +2036,7 @@ static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank) break; case 1: sector_size = ICH_FLASH_SEG_SIZE_4K; - iteration = flash_bank_size / ICH_FLASH_SEG_SIZE_4K; + iteration = 1; break; case 2: if (hw->mac.type == e1000_ich9lan) { @@ -1917,7 +2048,7 @@ static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank) break; case 3: sector_size = ICH_FLASH_SEG_SIZE_64K; - iteration = flash_bank_size / ICH_FLASH_SEG_SIZE_64K; + iteration = 1; break; default: return -E1000_ERR_NVM; @@ -2143,6 +2274,12 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) ctrl = er32(CTRL); if (!e1000_check_reset_block(hw)) { + /* Clear PHY Reset Asserted bit */ + if (hw->mac.type >= e1000_pchlan) { + u32 status = er32(STATUS); + ew32(STATUS, status & ~E1000_STATUS_PHYRA); + } + /* * PHY HW reset requires MAC CORE reset at the same * time to make sure the interface between MAC and the @@ -2156,23 +2293,34 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) ew32(CTRL, (ctrl | E1000_CTRL_RST)); msleep(20); - if (!ret_val) { - /* release the swflag because it is not reset by - * hardware reset - */ + if (!ret_val) e1000_release_swflag_ich8lan(hw); - } - ret_val = e1000e_get_auto_rd_done(hw); - if (ret_val) { - /* - * When auto config read does not complete, do not - * return with an error. This can happen in situations - * where there is no eeprom and prevents getting link. - */ - hw_dbg(hw, "Auto Read Done did not complete\n"); + if (ctrl & E1000_CTRL_PHY_RST) + ret_val = hw->phy.ops.get_cfg_done(hw); + + if (hw->mac.type >= e1000_ich10lan) { + e1000_lan_init_done_ich8lan(hw); + } else { + ret_val = e1000e_get_auto_rd_done(hw); + if (ret_val) { + /* + * When auto config read does not complete, do not + * return with an error. This can happen in situations + * where there is no eeprom and prevents getting link. + */ + hw_dbg(hw, "Auto Read Done did not complete\n"); + } } + /* + * For PCH, this write will make sure that any noise + * will be detected as a CRC error and be dropped rather than show up + * as a bad packet to the DMA engine. + */ + if (hw->mac.type == e1000_pchlan) + ew32(CRC_OFFSET, 0x65656565); + ew32(IMC, 0xffffffff); icr = er32(ICR); @@ -2222,6 +2370,18 @@ static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw) for (i = 0; i < mac->mta_reg_count; i++) E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, 0); + /* + * The 82578 Rx buffer will stall if wakeup is enabled in host and + * the ME. Reading the BM_WUC register will clear the host wakeup bit. + * Reset the phy after disabling host wakeup to reset the Rx buffer. + */ + if (hw->phy.type == e1000_phy_82578) { + hw->phy.ops.read_phy_reg(hw, BM_WUC, &i); + ret_val = e1000_phy_hw_reset_ich8lan(hw); + if (ret_val) + return ret_val; + } + /* Setup link and flow control */ ret_val = e1000_setup_link_ich8lan(hw); @@ -2254,16 +2414,6 @@ static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw) ew32(CTRL_EXT, ctrl_ext); /* - * The 82578 Rx buffer will stall if wakeup is enabled in host and - * the ME. Reading the BM_WUC register will clear the host wakeup bit. - * Reset the phy after disabling host wakeup to reset the Rx buffer. - */ - if (hw->phy.type == e1000_phy_82578) { - e1e_rphy(hw, BM_WUC, &i); - e1000e_phy_hw_reset_generic(hw); - } - - /* * Clear all of the statistics registers (clear on read). It is * important that we do this after we have tried to establish link * because the symbol error count will increment wildly if there @@ -2485,6 +2635,14 @@ static s32 e1000_get_link_up_info_ich8lan(struct e1000_hw *hw, u16 *speed, if (ret_val) return ret_val; + if ((hw->mac.type == e1000_pchlan) && (*speed == SPEED_1000)) { + ret_val = e1000e_write_kmrn_reg(hw, + E1000_KMRNCTRLSTA_K1_CONFIG, + E1000_KMRNCTRLSTA_K1_DISABLE); + if (ret_val) + return ret_val; + } + if ((hw->mac.type == e1000_ich8lan) && (hw->phy.type == e1000_phy_igp_3) && (*speed == SPEED_1000)) { @@ -2850,6 +3008,16 @@ static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw) { u32 bank = 0; + if (hw->mac.type >= e1000_pchlan) { + u32 status = er32(STATUS); + + if (status & E1000_STATUS_PHYRA) + ew32(STATUS, status & ~E1000_STATUS_PHYRA); + else + hw_dbg(hw, + "PHY Reset Asserted not set - needs delay\n"); + } + e1000e_get_cfg_done(hw); /* If EEPROM is not marked present, init the IGP 3 PHY manually */ @@ -2921,7 +3089,7 @@ static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw) static struct e1000_mac_operations ich8_mac_ops = { .id_led_init = e1000e_id_led_init, .check_mng_mode = e1000_check_mng_mode_ich8lan, - .check_for_link = e1000e_check_for_copper_link, + .check_for_link = e1000_check_for_copper_link_ich8lan, /* cleanup_led dependent on mac type */ .clear_hw_cntrs = e1000_clear_hw_cntrs_ich8lan, .get_bus_info = e1000_get_bus_info_ich8lan, diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c index be6d9e9..99ba2b8 100644 --- a/drivers/net/e1000e/lib.c +++ b/drivers/net/e1000e/lib.c @@ -378,12 +378,6 @@ s32 e1000e_check_for_copper_link(struct e1000_hw *hw) mac->get_link_status = 0; - if (hw->phy.type == e1000_phy_82578) { - ret_val = e1000_link_stall_workaround_hv(hw); - if (ret_val) - return ret_val; - } - /* * Check if there was DownShift, must be checked * immediately after link-up diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 679885a..63415bb 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -4785,6 +4785,9 @@ static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev, netif_device_detach(netdev); + if (state == pci_channel_io_perm_failure) + return PCI_ERS_RESULT_DISCONNECT; + if (netif_running(netdev)) e1000e_down(adapter); pci_disable_device(pdev); diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c index e23459c..994401f 100644 --- a/drivers/net/e1000e/phy.c +++ b/drivers/net/e1000e/phy.c @@ -1531,7 +1531,12 @@ s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations, */ ret_val = e1e_rphy(hw, PHY_STATUS, &phy_status); if (ret_val) - break; + /* + * If the first read fails, another entity may have + * ownership of the resources, wait and try again to + * see if they have relinquished the resources yet. + */ + udelay(usec_interval); ret_val = e1e_rphy(hw, PHY_STATUS, &phy_status); if (ret_val) break; @@ -2737,6 +2742,11 @@ s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw) if (hw->phy.type != e1000_phy_82578) goto out; + /* Do not apply workaround if in PHY loopback bit 14 set */ + hw->phy.ops.read_phy_reg(hw, PHY_CONTROL, &data); + if (data & PHY_CONTROL_LB) + goto out; + /* check if link is up and at 1Gbps */ ret_val = hw->phy.ops.read_phy_reg(hw, BM_CS_STATUS, &data); if (ret_val) diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 1094d29..3b4e076 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -3514,11 +3514,13 @@ static irqreturn_t nv_nic_irq(int foo, void *data) nv_msi_workaround(np); #ifdef CONFIG_FORCEDETH_NAPI - napi_schedule(&np->napi); - - /* Disable furthur irq's - (msix not enabled with napi) */ - writel(0, base + NvRegIrqMask); + if (napi_schedule_prep(&np->napi)) { + /* + * Disable further irq's (msix not enabled with napi) + */ + writel(0, base + NvRegIrqMask); + __napi_schedule(&np->napi); + } #else do @@ -3615,12 +3617,13 @@ static irqreturn_t nv_nic_irq_optimized(int foo, void *data) nv_msi_workaround(np); #ifdef CONFIG_FORCEDETH_NAPI - napi_schedule(&np->napi); - - /* Disable furthur irq's - (msix not enabled with napi) */ - writel(0, base + NvRegIrqMask); - + if (napi_schedule_prep(&np->napi)) { + /* + * Disable further irq's (msix not enabled with napi) + */ + writel(0, base + NvRegIrqMask); + __napi_schedule(&np->napi); + } #else do { diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index ea17319..be48029 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -4549,11 +4549,12 @@ static bool igb_clean_rx_irq_adv(struct igb_ring *rx_ring, cleaned = true; cleaned_count++; + /* this is the fast path for the non-packet split case */ if (!adapter->rx_ps_hdr_size) { pci_unmap_single(pdev, buffer_info->dma, - adapter->rx_buffer_len + - NET_IP_ALIGN, + adapter->rx_buffer_len, PCI_DMA_FROMDEVICE); + buffer_info->dma = 0; skb_put(skb, length); goto send_up; } @@ -4570,8 +4571,9 @@ static bool igb_clean_rx_irq_adv(struct igb_ring *rx_ring, if (!skb_shinfo(skb)->nr_frags) { pci_unmap_single(pdev, buffer_info->dma, - adapter->rx_ps_hdr_size + NET_IP_ALIGN, + adapter->rx_ps_hdr_size, PCI_DMA_FROMDEVICE); + buffer_info->dma = 0; skb_put(skb, hlen); } @@ -4713,7 +4715,6 @@ static void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring, bufsz = adapter->rx_ps_hdr_size; else bufsz = adapter->rx_buffer_len; - bufsz += NET_IP_ALIGN; while (cleaned_count--) { rx_desc = E1000_RX_DESC_ADV(*rx_ring, i); @@ -4737,7 +4738,7 @@ static void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring, } if (!buffer_info->skb) { - skb = netdev_alloc_skb(netdev, bufsz); + skb = netdev_alloc_skb(netdev, bufsz + NET_IP_ALIGN); if (!skb) { adapter->alloc_rx_buff_failed++; goto no_buffers; @@ -5338,6 +5339,9 @@ static pci_ers_result_t igb_io_error_detected(struct pci_dev *pdev, netif_device_detach(netdev); + if (state == pci_channel_io_perm_failure) + return PCI_ERS_RESULT_DISCONNECT; + if (netif_running(netdev)) igb_down(adapter); pci_disable_device(pdev); diff --git a/drivers/net/irda/bfin_sir.c b/drivers/net/irda/bfin_sir.c index f3eed6a..911c082 100644 --- a/drivers/net/irda/bfin_sir.c +++ b/drivers/net/irda/bfin_sir.c @@ -677,6 +677,14 @@ static int bfin_sir_init_iobuf(iobuff_t *io, int size) return 0; } +static const struct net_device_ops bfin_sir_ndo = { + .ndo_open = bfin_sir_open, + .ndo_stop = bfin_sir_stop, + .ndo_start_xmit = bfin_sir_hard_xmit, + .ndo_do_ioctl = bfin_sir_ioctl, + .ndo_get_stats = bfin_sir_stats, +}; + static int __devinit bfin_sir_probe(struct platform_device *pdev) { struct net_device *dev; @@ -718,12 +726,8 @@ static int __devinit bfin_sir_probe(struct platform_device *pdev) if (err) goto err_mem_3; - dev->hard_start_xmit = bfin_sir_hard_xmit; - dev->open = bfin_sir_open; - dev->stop = bfin_sir_stop; - dev->do_ioctl = bfin_sir_ioctl; - dev->get_stats = bfin_sir_stats; - dev->irq = sir_port->irq; + dev->netdev_ops = &bfin_sir_ndo; + dev->irq = sir_port->irq; irda_init_max_qos_capabilies(&self->qos); diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c index 86f4f3e..2a97800 100644 --- a/drivers/net/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ixgbe/ixgbe_ethtool.c @@ -139,7 +139,7 @@ static int ixgbe_get_settings(struct net_device *netdev, ecmd->autoneg = AUTONEG_ENABLE; ecmd->transceiver = XCVR_EXTERNAL; if ((hw->phy.media_type == ixgbe_media_type_copper) || - (hw->mac.type == ixgbe_mac_82599EB)) { + (hw->phy.multispeed_fiber)) { ecmd->supported |= (SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg); @@ -217,7 +217,7 @@ static int ixgbe_set_settings(struct net_device *netdev, s32 err = 0; if ((hw->phy.media_type == ixgbe_media_type_copper) || - (hw->mac.type == ixgbe_mac_82599EB)) { + (hw->phy.multispeed_fiber)) { /* 10000/copper and 1000/copper must autoneg * this function does not support any duplex forcing, but can * limit the advertising of the adapter to only 10000 or 1000 */ @@ -245,6 +245,7 @@ static int ixgbe_set_settings(struct net_device *netdev, } else { /* in this case we currently only support 10Gb/FULL */ if ((ecmd->autoneg == AUTONEG_ENABLE) || + (ecmd->advertising != ADVERTISED_10000baseT_Full) || (ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL)) return -EINVAL; } @@ -1829,7 +1830,6 @@ static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter, break; default: wol->supported = 0; - retval = 0; } return retval; diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index e756e22..a3061aa 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -563,7 +563,6 @@ static void ixgbe_alloc_rx_buffers(struct ixgbe_adapter *adapter, union ixgbe_adv_rx_desc *rx_desc; struct ixgbe_rx_buffer *bi; unsigned int i; - unsigned int bufsz = rx_ring->rx_buf_len + NET_IP_ALIGN; i = rx_ring->next_to_use; bi = &rx_ring->rx_buffer_info[i]; @@ -593,7 +592,9 @@ static void ixgbe_alloc_rx_buffers(struct ixgbe_adapter *adapter, if (!bi->skb) { struct sk_buff *skb; - skb = netdev_alloc_skb(adapter->netdev, bufsz); + skb = netdev_alloc_skb(adapter->netdev, + (rx_ring->rx_buf_len + + NET_IP_ALIGN)); if (!skb) { adapter->alloc_rx_buff_failed++; @@ -608,7 +609,8 @@ static void ixgbe_alloc_rx_buffers(struct ixgbe_adapter *adapter, skb_reserve(skb, NET_IP_ALIGN); bi->skb = skb; - bi->dma = pci_map_single(pdev, skb->data, bufsz, + bi->dma = pci_map_single(pdev, skb->data, + rx_ring->rx_buf_len, PCI_DMA_FROMDEVICE); } /* Refresh the desc even if buffer_addrs didn't change because @@ -732,6 +734,7 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, pci_unmap_single(pdev, rx_buffer_info->dma, rx_ring->rx_buf_len, PCI_DMA_FROMDEVICE); + rx_buffer_info->dma = 0; skb_put(skb, len); } @@ -2694,16 +2697,23 @@ static int ixgbe_up_complete(struct ixgbe_adapter *adapter) /* * For hot-pluggable SFP+ devices, a new SFP+ module may have - * arrived before interrupts were enabled. We need to kick off - * the SFP+ module setup first, then try to bring up link. + * arrived before interrupts were enabled but after probe. Such + * devices wouldn't have their type identified yet. We need to + * kick off the SFP+ module setup first, then try to bring up link. * If we're not hot-pluggable SFP+, we just need to configure link * and bring it up. */ - err = hw->phy.ops.identify(hw); - if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { - DPRINTK(PROBE, ERR, "PHY not supported on this NIC %d\n", err); - ixgbe_down(adapter); - return err; + if (hw->phy.type == ixgbe_phy_unknown) { + err = hw->phy.ops.identify(hw); + if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { + /* + * Take the device down and schedule the sfp tasklet + * which will unregister_netdev and log it. + */ + ixgbe_down(adapter); + schedule_work(&adapter->sfp_config_module_task); + return err; + } } if (ixgbe_is_sfp(hw)) { @@ -2812,9 +2822,11 @@ static void ixgbe_clean_rx_ring(struct ixgbe_adapter *adapter, } if (!rx_buffer_info->page) continue; - pci_unmap_page(pdev, rx_buffer_info->page_dma, PAGE_SIZE / 2, - PCI_DMA_FROMDEVICE); - rx_buffer_info->page_dma = 0; + if (rx_buffer_info->page_dma) { + pci_unmap_page(pdev, rx_buffer_info->page_dma, + PAGE_SIZE / 2, PCI_DMA_FROMDEVICE); + rx_buffer_info->page_dma = 0; + } put_page(rx_buffer_info->page); rx_buffer_info->page = NULL; rx_buffer_info->page_offset = 0; @@ -3716,14 +3728,15 @@ static void ixgbe_sfp_task(struct work_struct *work) if ((hw->phy.type == ixgbe_phy_nl) && (hw->phy.sfp_type == ixgbe_sfp_type_not_present)) { s32 ret = hw->phy.ops.identify_sfp(hw); - if (ret) + if (ret == IXGBE_ERR_SFP_NOT_PRESENT) goto reschedule; ret = hw->phy.ops.reset(hw); if (ret == IXGBE_ERR_SFP_NOT_SUPPORTED) { - DPRINTK(PROBE, ERR, "failed to initialize because an " - "unsupported SFP+ module type was detected.\n" - "Reload the driver after installing a " - "supported module.\n"); + dev_err(&adapter->pdev->dev, "failed to initialize " + "because an unsupported SFP+ module type " + "was detected.\n" + "Reload the driver after installing a " + "supported module.\n"); unregister_netdev(adapter->netdev); } else { DPRINTK(PROBE, INFO, "detected SFP+: %d\n", @@ -4502,7 +4515,8 @@ static void ixgbe_multispeed_fiber_task(struct work_struct *work) u32 autoneg; adapter->flags |= IXGBE_FLAG_IN_SFP_LINK_TASK; - if (hw->mac.ops.get_link_capabilities) + autoneg = hw->phy.autoneg_advertised; + if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) hw->mac.ops.get_link_capabilities(hw, &autoneg, &hw->mac.autoneg); if (hw->mac.ops.setup_link_speed) @@ -4524,10 +4538,17 @@ static void ixgbe_sfp_config_module_task(struct work_struct *work) u32 err; adapter->flags |= IXGBE_FLAG_IN_SFP_MOD_TASK; + + /* Time for electrical oscillations to settle down */ + msleep(100); err = hw->phy.ops.identify_sfp(hw); + if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { - DPRINTK(PROBE, ERR, "PHY not supported on this NIC %d\n", err); - ixgbe_down(adapter); + dev_err(&adapter->pdev->dev, "failed to initialize because " + "an unsupported SFP+ module type was detected.\n" + "Reload the driver after installing a supported " + "module.\n"); + unregister_netdev(adapter->netdev); return; } hw->mac.ops.setup_sfp(hw); @@ -5513,8 +5534,10 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, round_jiffies(jiffies + (2 * HZ))); err = 0; } else if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { - dev_err(&adapter->pdev->dev, "failed to load because an " - "unsupported SFP+ module type was detected.\n"); + dev_err(&adapter->pdev->dev, "failed to initialize because " + "an unsupported SFP+ module type was detected.\n" + "Reload the driver after installing a supported " + "module.\n"); goto err_sw_init; } else if (err) { dev_err(&adapter->pdev->dev, "HW Init failed: %d\n", err); diff --git a/drivers/net/ixgbe/ixgbe_phy.c b/drivers/net/ixgbe/ixgbe_phy.c index 453e966..9ecad17 100644 --- a/drivers/net/ixgbe/ixgbe_phy.c +++ b/drivers/net/ixgbe/ixgbe_phy.c @@ -60,6 +60,7 @@ s32 ixgbe_identify_phy_generic(struct ixgbe_hw *hw) if (hw->phy.type == ixgbe_phy_unknown) { for (phy_addr = 0; phy_addr < IXGBE_MAX_PHY_ADDR; phy_addr++) { + hw->phy.mdio.prtad = phy_addr; if (mdio45_probe(&hw->phy.mdio, phy_addr) == 0) { ixgbe_get_phy_id(hw); hw->phy.type = @@ -68,6 +69,8 @@ s32 ixgbe_identify_phy_generic(struct ixgbe_hw *hw) break; } } + /* clear value if nothing found */ + hw->phy.mdio.prtad = 0; } else { status = 0; } diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index 970cede..e1cdba7 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -60,7 +60,18 @@ #define _NETXEN_NIC_LINUX_SUBVERSION 30 #define NETXEN_NIC_LINUX_VERSIONID "4.0.30" -#define NETXEN_VERSION_CODE(a, b, c) (((a) << 16) + ((b) << 8) + (c)) +#define NETXEN_VERSION_CODE(a, b, c) (((a) << 24) + ((b) << 16) + (c)) +#define _major(v) (((v) >> 24) & 0xff) +#define _minor(v) (((v) >> 16) & 0xff) +#define _build(v) ((v) & 0xffff) + +/* version in image has weird encoding: + * 7:0 - major + * 15:8 - minor + * 31:16 - build (little endian) + */ +#define NETXEN_DECODE_VERSION(v) \ + NETXEN_VERSION_CODE(((v) & 0xff), (((v) >> 8) & 0xff), ((v) >> 16)) #define NETXEN_NUM_FLASH_SECTORS (64) #define NETXEN_FLASH_SECTOR_SIZE (64 * 1024) @@ -614,6 +625,7 @@ struct netxen_new_user_info { #define NX_P2_MN_ROMIMAGE 0 #define NX_P3_CT_ROMIMAGE 1 #define NX_P3_MN_ROMIMAGE 2 +#define NX_FLASH_ROMIMAGE 3 #define NETXEN_USER_START_OLD NETXEN_PXE_START /* for backward compatibility */ @@ -1243,7 +1255,7 @@ struct netxen_adapter { u32 resv3; u8 has_link_events; - u8 resv1; + u8 fw_type; u16 tx_context_id; u16 mtu; u16 is_up; @@ -1387,6 +1399,7 @@ void netxen_free_adapter_offload(struct netxen_adapter *adapter); int netxen_initialize_adapter_offload(struct netxen_adapter *adapter); int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val); int netxen_load_firmware(struct netxen_adapter *adapter); +int netxen_need_fw_reset(struct netxen_adapter *adapter); void netxen_request_firmware(struct netxen_adapter *adapter); void netxen_release_firmware(struct netxen_adapter *adapter); int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose); diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h index 3cc0478..8241036 100644 --- a/drivers/net/netxen/netxen_nic_hdr.h +++ b/drivers/net/netxen/netxen_nic_hdr.h @@ -853,6 +853,7 @@ enum { #define NX_PEG_TUNE_CAPABILITY (NETXEN_CAM_RAM(0x02c)) #define NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL (0x14) +#define NETXEN_PEG_ALIVE_COUNTER (NETXEN_CAM_RAM(0xb0)) #define ISR_MSI_INT_TRIGGER(FUNC) (NETXEN_PCIX_PS_REG(PCIX_MSI_F(FUNC))) #define ISR_LEGACY_INT_TRIGGERED(VAL) (((VAL) & 0x300) == 0x200) diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c index 055bb61..b899bd5 100644 --- a/drivers/net/netxen/netxen_nic_init.c +++ b/drivers/net/netxen/netxen_nic_init.c @@ -684,11 +684,84 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose) } int +netxen_need_fw_reset(struct netxen_adapter *adapter) +{ + u32 count, old_count; + u32 val, version, major, minor, build; + int i, timeout; + u8 fw_type; + + /* NX2031 firmware doesn't support heartbit */ + if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) + return 1; + + /* last attempt had failed */ + if (NXRD32(adapter, CRB_CMDPEG_STATE) == PHAN_INITIALIZE_FAILED) + return 1; + + old_count = count = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER); + + for (i = 0; i < 10; i++) { + + timeout = msleep_interruptible(200); + if (timeout) { + NXWR32(adapter, CRB_CMDPEG_STATE, + PHAN_INITIALIZE_FAILED); + return -EINTR; + } + + count = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER); + if (count != old_count) + break; + } + + /* firmware is dead */ + if (count == old_count) + return 1; + + /* check if we have got newer or different file firmware */ + if (adapter->fw) { + + const struct firmware *fw = adapter->fw; + + val = cpu_to_le32(*(u32 *)&fw->data[NX_FW_VERSION_OFFSET]); + version = NETXEN_DECODE_VERSION(val); + + major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR); + minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR); + build = NXRD32(adapter, NETXEN_FW_VERSION_SUB); + + if (version > NETXEN_VERSION_CODE(major, minor, build)) + return 1; + + if (version == NETXEN_VERSION_CODE(major, minor, build)) { + + val = NXRD32(adapter, NETXEN_MIU_MN_CONTROL); + fw_type = (val & 0x4) ? + NX_P3_CT_ROMIMAGE : NX_P3_MN_ROMIMAGE; + + if (adapter->fw_type != fw_type) + return 1; + } + } + + return 0; +} + +static char *fw_name[] = { + "nxromimg.bin", "nx3fwct.bin", "nx3fwmn.bin", "flash", +}; + +int netxen_load_firmware(struct netxen_adapter *adapter) { u64 *ptr64; u32 i, flashaddr, size; const struct firmware *fw = adapter->fw; + struct pci_dev *pdev = adapter->pdev; + + dev_info(&pdev->dev, "loading firmware from %s\n", + fw_name[adapter->fw_type]); if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) NXWR32(adapter, NETXEN_ROMUSB_GLB_CAS_RST, 1); @@ -756,7 +829,7 @@ static int netxen_validate_firmware(struct netxen_adapter *adapter, const char *fwname) { __le32 val; - u32 major, minor, build, ver, min_ver, bios; + u32 ver, min_ver, bios; struct pci_dev *pdev = adapter->pdev; const struct firmware *fw = adapter->fw; @@ -768,21 +841,18 @@ netxen_validate_firmware(struct netxen_adapter *adapter, const char *fwname) return -EINVAL; val = cpu_to_le32(*(u32 *)&fw->data[NX_FW_VERSION_OFFSET]); - major = (__force u32)val & 0xff; - minor = ((__force u32)val >> 8) & 0xff; - build = (__force u32)val >> 16; if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) min_ver = NETXEN_VERSION_CODE(4, 0, 216); else min_ver = NETXEN_VERSION_CODE(3, 4, 216); - ver = NETXEN_VERSION_CODE(major, minor, build); + ver = NETXEN_DECODE_VERSION(val); - if ((major > _NETXEN_NIC_LINUX_MAJOR) || (ver < min_ver)) { + if ((_major(ver) > _NETXEN_NIC_LINUX_MAJOR) || (ver < min_ver)) { dev_err(&pdev->dev, "%s: firmware version %d.%d.%d unsupported\n", - fwname, major, minor, build); + fwname, _major(ver), _minor(ver), _build(ver)); return -EINVAL; } @@ -798,22 +868,21 @@ netxen_validate_firmware(struct netxen_adapter *adapter, const char *fwname) if (netxen_rom_fast_read(adapter, NX_FW_VERSION_OFFSET, (int *)&val)) return -EIO; - major = (__force u32)val & 0xff; - minor = ((__force u32)val >> 8) & 0xff; - build = (__force u32)val >> 16; - if (NETXEN_VERSION_CODE(major, minor, build) > ver) + val = NETXEN_DECODE_VERSION(val); + if (val > ver) { + dev_info(&pdev->dev, "%s: firmware is older than flash\n", + fwname); return -EINVAL; + } NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC); return 0; } -static char *fw_name[] = { "nxromimg.bin", "nx3fwct.bin", "nx3fwmn.bin" }; - void netxen_request_firmware(struct netxen_adapter *adapter) { u32 capability, flashed_ver; - int fw_type; + u8 fw_type; struct pci_dev *pdev = adapter->pdev; int rc = 0; @@ -830,6 +899,8 @@ request_mn: netxen_rom_fast_read(adapter, NX_FW_VERSION_OFFSET, (int *)&flashed_ver); + flashed_ver = NETXEN_DECODE_VERSION(flashed_ver); + if (flashed_ver >= NETXEN_VERSION_CODE(4, 0, 220)) { capability = NXRD32(adapter, NX_PEG_TUNE_CAPABILITY); if (capability & NX_PEG_TUNE_MN_PRESENT) { @@ -838,6 +909,10 @@ request_mn: } } + fw_type = NX_FLASH_ROMIMAGE; + adapter->fw = NULL; + goto done; + request_fw: rc = request_firmware(&adapter->fw, fw_name[fw_type], &pdev->dev); if (rc != 0) { @@ -846,6 +921,7 @@ request_fw: goto request_mn; } + fw_type = NX_FLASH_ROMIMAGE; adapter->fw = NULL; goto done; } @@ -859,16 +935,13 @@ request_fw: goto request_mn; } + fw_type = NX_FLASH_ROMIMAGE; adapter->fw = NULL; goto done; } done: - if (adapter->fw) - dev_info(&pdev->dev, "loading firmware from file %s\n", - fw_name[fw_type]); - else - dev_info(&pdev->dev, "loading firmware from flash\n"); + adapter->fw_type = fw_type; } diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 2919a2d..27539dd 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -718,6 +718,10 @@ netxen_start_firmware(struct netxen_adapter *adapter, int request_fw) if (request_fw) netxen_request_firmware(adapter); + err = netxen_need_fw_reset(adapter); + if (err <= 0) + return err; + if (first_boot != 0x55555555) { NXWR32(adapter, CRB_CMDPEG_STATE, 0); netxen_pinit_from_rom(adapter, 0); diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c index 652a368..9ef1c1b 100644 --- a/drivers/net/pcmcia/pcnet_cs.c +++ b/drivers/net/pcmcia/pcnet_cs.c @@ -1727,6 +1727,7 @@ static struct pcmcia_device_id pcnet_ids[] = { PCMCIA_DEVICE_PROD_ID12("PRETEC", "Ethernet CompactLAN 10BaseT 3.3V", 0xebf91155, 0x7f5a4f50), PCMCIA_DEVICE_PROD_ID12("Psion Dacom", "Gold Card Ethernet", 0xf5f025c2, 0x3a30e110), PCMCIA_DEVICE_PROD_ID12("=RELIA==", "Ethernet", 0xcdd0644a, 0x00b2e941), + PCMCIA_DEVICE_PROD_ID12("RIOS Systems Co.", "PC CARD3 ETHERNET", 0x7dd33481, 0x10b41826), PCMCIA_DEVICE_PROD_ID12("RP", "1625B Ethernet NE2000 Compatible", 0xe3e66e22, 0xb96150df), PCMCIA_DEVICE_PROD_ID12("RPTI", "EP400 Ethernet NE2000 Compatible", 0xdc6f88fd, 0x4a7e2ae0), PCMCIA_DEVICE_PROD_ID12("RPTI", "EP401 Ethernet NE2000 Compatible", 0xdc6f88fd, 0x4bcbd7fd), diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 61755cb..eda94fc 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -928,13 +928,32 @@ static void phy_state_machine(struct work_struct *work) * Otherwise, it's 0, and we're * still waiting for AN */ if (err > 0) { - phydev->state = PHY_RUNNING; + err = phy_read_status(phydev); + if (err) + break; + + if (phydev->link) { + phydev->state = PHY_RUNNING; + netif_carrier_on(phydev->attached_dev); + } else + phydev->state = PHY_NOLINK; + phydev->adjust_link(phydev->attached_dev); } else { phydev->state = PHY_AN; phydev->link_timeout = PHY_AN_TIMEOUT; } - } else - phydev->state = PHY_RUNNING; + } else { + err = phy_read_status(phydev); + if (err) + break; + + if (phydev->link) { + phydev->state = PHY_RUNNING; + netif_carrier_on(phydev->attached_dev); + } else + phydev->state = PHY_NOLINK; + phydev->adjust_link(phydev->attached_dev); + } break; } diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h index 156e02e..6ed5317 100644 --- a/drivers/net/qlge/qlge.h +++ b/drivers/net/qlge/qlge.h @@ -1607,6 +1607,8 @@ int ql_mb_get_fw_state(struct ql_adapter *qdev); int ql_cam_route_initialize(struct ql_adapter *qdev); int ql_read_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 *data); int ql_mb_about_fw(struct ql_adapter *qdev); +void ql_link_on(struct ql_adapter *qdev); +void ql_link_off(struct ql_adapter *qdev); #if 1 #define QL_ALL_DUMP diff --git a/drivers/net/qlge/qlge_ethtool.c b/drivers/net/qlge/qlge_ethtool.c index 37c99fe..eb6a9ee 100644 --- a/drivers/net/qlge/qlge_ethtool.c +++ b/drivers/net/qlge/qlge_ethtool.c @@ -59,7 +59,7 @@ static int ql_update_ring_coalescing(struct ql_adapter *qdev) cqicb->pkt_delay = cpu_to_le16(qdev->tx_max_coalesced_frames); cqicb->flags = FLAGS_LI; - status = ql_write_cfg(qdev, cqicb, sizeof(cqicb), + status = ql_write_cfg(qdev, cqicb, sizeof(*cqicb), CFG_LCQ, rx_ring->cq_id); if (status) { QPRINTK(qdev, IFUP, ERR, @@ -82,7 +82,7 @@ static int ql_update_ring_coalescing(struct ql_adapter *qdev) cqicb->pkt_delay = cpu_to_le16(qdev->rx_max_coalesced_frames); cqicb->flags = FLAGS_LI; - status = ql_write_cfg(qdev, cqicb, sizeof(cqicb), + status = ql_write_cfg(qdev, cqicb, sizeof(*cqicb), CFG_LCQ, rx_ring->cq_id); if (status) { QPRINTK(qdev, IFUP, ERR, diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index 90d1f76..5768af1 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -214,6 +214,10 @@ int ql_write_cfg(struct ql_adapter *qdev, void *ptr, int size, u32 bit, return -ENOMEM; } + status = ql_sem_spinlock(qdev, SEM_ICB_MASK); + if (status) + return status; + status = ql_wait_cfg(qdev, bit); if (status) { QPRINTK(qdev, IFUP, ERR, @@ -221,12 +225,8 @@ int ql_write_cfg(struct ql_adapter *qdev, void *ptr, int size, u32 bit, goto exit; } - status = ql_sem_spinlock(qdev, SEM_ICB_MASK); - if (status) - goto exit; ql_write32(qdev, ICB_L, (u32) map); ql_write32(qdev, ICB_H, (u32) (map >> 32)); - ql_sem_unlock(qdev, SEM_ICB_MASK); /* does flush too */ mask = CFG_Q_MASK | (bit << 16); value = bit | (q_id << CFG_Q_SHIFT); @@ -237,6 +237,7 @@ int ql_write_cfg(struct ql_adapter *qdev, void *ptr, int size, u32 bit, */ status = ql_wait_cfg(qdev, bit); exit: + ql_sem_unlock(qdev, SEM_ICB_MASK); /* does flush too */ pci_unmap_single(qdev->pdev, map, size, direction); return status; } @@ -412,6 +413,57 @@ exit: return status; } +/* Set or clear MAC address in hardware. We sometimes + * have to clear it to prevent wrong frame routing + * especially in a bonding environment. + */ +static int ql_set_mac_addr(struct ql_adapter *qdev, int set) +{ + int status; + char zero_mac_addr[ETH_ALEN]; + char *addr; + + if (set) { + addr = &qdev->ndev->dev_addr[0]; + QPRINTK(qdev, IFUP, DEBUG, + "Set Mac addr %02x:%02x:%02x:%02x:%02x:%02x\n", + addr[0], addr[1], addr[2], addr[3], + addr[4], addr[5]); + } else { + memset(zero_mac_addr, 0, ETH_ALEN); + addr = &zero_mac_addr[0]; + QPRINTK(qdev, IFUP, DEBUG, + "Clearing MAC address on %s\n", + qdev->ndev->name); + } + status = ql_sem_spinlock(qdev, SEM_MAC_ADDR_MASK); + if (status) + return status; + status = ql_set_mac_addr_reg(qdev, (u8 *) addr, + MAC_ADDR_TYPE_CAM_MAC, qdev->func * MAX_CQ); + ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK); + if (status) + QPRINTK(qdev, IFUP, ERR, "Failed to init mac " + "address.\n"); + return status; +} + +void ql_link_on(struct ql_adapter *qdev) +{ + QPRINTK(qdev, LINK, ERR, "%s: Link is up.\n", + qdev->ndev->name); + netif_carrier_on(qdev->ndev); + ql_set_mac_addr(qdev, 1); +} + +void ql_link_off(struct ql_adapter *qdev) +{ + QPRINTK(qdev, LINK, ERR, "%s: Link is down.\n", + qdev->ndev->name); + netif_carrier_off(qdev->ndev); + ql_set_mac_addr(qdev, 0); +} + /* Get a specific frame routing value from the CAM. * Used for debug and reg dump. */ @@ -1628,7 +1680,7 @@ static void ql_process_mac_tx_intr(struct ql_adapter *qdev, tx_ring = &qdev->tx_ring[mac_rsp->txq_idx]; tx_ring_desc = &tx_ring->q[mac_rsp->tid]; ql_unmap_send(qdev, tx_ring_desc, tx_ring_desc->map_cnt); - qdev->stats.tx_bytes += tx_ring_desc->map_cnt; + qdev->stats.tx_bytes += (tx_ring_desc->skb)->len; qdev->stats.tx_packets++; dev_kfree_skb(tx_ring_desc->skb); tx_ring_desc->skb = NULL; @@ -1660,13 +1712,13 @@ static void ql_process_mac_tx_intr(struct ql_adapter *qdev, /* Fire up a handler to reset the MPI processor. */ void ql_queue_fw_error(struct ql_adapter *qdev) { - netif_carrier_off(qdev->ndev); + ql_link_off(qdev); queue_delayed_work(qdev->workqueue, &qdev->mpi_reset_work, 0); } void ql_queue_asic_error(struct ql_adapter *qdev) { - netif_carrier_off(qdev->ndev); + ql_link_off(qdev); ql_disable_interrupts(qdev); /* Clear adapter up bit to signal the recovery * process that it shouldn't kill the reset worker @@ -2104,7 +2156,7 @@ static int qlge_send(struct sk_buff *skb, struct net_device *ndev) } tx_ring_desc = &tx_ring->q[tx_ring->prod_idx]; mac_iocb_ptr = tx_ring_desc->queue_entry; - memset((void *)mac_iocb_ptr, 0, sizeof(mac_iocb_ptr)); + memset((void *)mac_iocb_ptr, 0, sizeof(*mac_iocb_ptr)); mac_iocb_ptr->opcode = OPCODE_OB_MAC_IOCB; mac_iocb_ptr->tid = tx_ring_desc->index; @@ -2743,7 +2795,7 @@ static int ql_start_tx_ring(struct ql_adapter *qdev, struct tx_ring *tx_ring) ql_init_tx_ring(qdev, tx_ring); - err = ql_write_cfg(qdev, wqicb, sizeof(wqicb), CFG_LRQ, + err = ql_write_cfg(qdev, wqicb, sizeof(*wqicb), CFG_LRQ, (u16) tx_ring->wq_id); if (err) { QPRINTK(qdev, IFUP, ERR, "Failed to load tx_ring.\n"); @@ -3008,7 +3060,7 @@ static int ql_start_rss(struct ql_adapter *qdev) int i; u8 *hash_id = (u8 *) ricb->hash_cq_id; - memset((void *)ricb, 0, sizeof(ricb)); + memset((void *)ricb, 0, sizeof(*ricb)); ricb->base_cq = qdev->rss_ring_first_cq_id | RSS_L4K; ricb->flags = @@ -3030,7 +3082,7 @@ static int ql_start_rss(struct ql_adapter *qdev) QPRINTK(qdev, IFUP, DEBUG, "Initializing RSS.\n"); - status = ql_write_cfg(qdev, ricb, sizeof(ricb), CFG_LR, 0); + status = ql_write_cfg(qdev, ricb, sizeof(*ricb), CFG_LR, 0); if (status) { QPRINTK(qdev, IFUP, ERR, "Failed to load RICB.\n"); return status; @@ -3039,25 +3091,40 @@ static int ql_start_rss(struct ql_adapter *qdev) return status; } -/* Initialize the frame-to-queue routing. */ -static int ql_route_initialize(struct ql_adapter *qdev) +static int ql_clear_routing_entries(struct ql_adapter *qdev) { - int status = 0; - int i; + int i, status = 0; status = ql_sem_spinlock(qdev, SEM_RT_IDX_MASK); if (status) return status; - /* Clear all the entries in the routing table. */ for (i = 0; i < 16; i++) { status = ql_set_routing_reg(qdev, i, 0, 0); if (status) { QPRINTK(qdev, IFUP, ERR, - "Failed to init routing register for CAM packets.\n"); - goto exit; + "Failed to init routing register for CAM " + "packets.\n"); + break; } } + ql_sem_unlock(qdev, SEM_RT_IDX_MASK); + return status; +} + +/* Initialize the frame-to-queue routing. */ +static int ql_route_initialize(struct ql_adapter *qdev) +{ + int status = 0; + + status = ql_sem_spinlock(qdev, SEM_RT_IDX_MASK); + if (status) + return status; + + /* Clear all the entries in the routing table. */ + status = ql_clear_routing_entries(qdev); + if (status) + goto exit; status = ql_set_routing_reg(qdev, RT_IDX_ALL_ERR_SLOT, RT_IDX_ERR, 1); if (status) { @@ -3096,14 +3163,15 @@ exit: int ql_cam_route_initialize(struct ql_adapter *qdev) { - int status; + int status, set; - status = ql_sem_spinlock(qdev, SEM_MAC_ADDR_MASK); - if (status) - return status; - status = ql_set_mac_addr_reg(qdev, (u8 *) qdev->ndev->perm_addr, - MAC_ADDR_TYPE_CAM_MAC, qdev->func * MAX_CQ); - ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK); + /* If check if the link is up and use to + * determine if we are setting or clearing + * the MAC address in the CAM. + */ + set = ql_read32(qdev, STS); + set &= qdev->port_link_up; + status = ql_set_mac_addr(qdev, set); if (status) { QPRINTK(qdev, IFUP, ERR, "Failed to init mac address.\n"); return status; @@ -3210,9 +3278,17 @@ static int ql_adapter_reset(struct ql_adapter *qdev) { u32 value; int status = 0; - unsigned long end_jiffies = jiffies + - max((unsigned long)1, usecs_to_jiffies(30)); + unsigned long end_jiffies; + /* Clear all the entries in the routing table. */ + status = ql_clear_routing_entries(qdev); + if (status) { + QPRINTK(qdev, IFUP, ERR, "Failed to clear routing bits.\n"); + return status; + } + + end_jiffies = jiffies + + max((unsigned long)1, usecs_to_jiffies(30)); ql_write32(qdev, RST_FO, (RST_FO_FR << 16) | RST_FO_FR); do { @@ -3252,7 +3328,7 @@ static int ql_adapter_down(struct ql_adapter *qdev) int i, status = 0; struct rx_ring *rx_ring; - netif_carrier_off(qdev->ndev); + ql_link_off(qdev); /* Don't kill the reset worker thread if we * are in the process of recovery. @@ -3319,8 +3395,12 @@ static int ql_adapter_up(struct ql_adapter *qdev) } set_bit(QL_ADAPTER_UP, &qdev->flags); ql_alloc_rx_buffers(qdev); - if ((ql_read32(qdev, STS) & qdev->port_init)) - netif_carrier_on(qdev->ndev); + /* If the port is initialized and the + * link is up the turn on the carrier. + */ + if ((ql_read32(qdev, STS) & qdev->port_init) && + (ql_read32(qdev, STS) & qdev->port_link_up)) + ql_link_on(qdev); ql_enable_interrupts(qdev); ql_enable_all_completion_interrupts(qdev); netif_tx_start_all_queues(qdev->ndev); @@ -3346,11 +3426,6 @@ static int ql_get_adapter_resources(struct ql_adapter *qdev) return -ENOMEM; } status = ql_request_irq(qdev); - if (status) - goto err_irq; - return status; -err_irq: - ql_free_mem_resources(qdev); return status; } @@ -3414,7 +3489,7 @@ static int ql_configure_rings(struct ql_adapter *qdev) for (i = 0; i < qdev->tx_ring_count; i++) { tx_ring = &qdev->tx_ring[i]; - memset((void *)tx_ring, 0, sizeof(tx_ring)); + memset((void *)tx_ring, 0, sizeof(*tx_ring)); tx_ring->qdev = qdev; tx_ring->wq_id = i; tx_ring->wq_len = qdev->tx_ring_size; @@ -3430,7 +3505,7 @@ static int ql_configure_rings(struct ql_adapter *qdev) for (i = 0; i < qdev->rx_ring_count; i++) { rx_ring = &qdev->rx_ring[i]; - memset((void *)rx_ring, 0, sizeof(rx_ring)); + memset((void *)rx_ring, 0, sizeof(*rx_ring)); rx_ring->qdev = qdev; rx_ring->cq_id = i; rx_ring->cpu = i % cpu_cnt; /* CPU to run handler on. */ @@ -3789,7 +3864,7 @@ static int __devinit ql_init_device(struct pci_dev *pdev, int pos, err = 0; u16 val16; - memset((void *)qdev, 0, sizeof(qdev)); + memset((void *)qdev, 0, sizeof(*qdev)); err = pci_enable_device(pdev); if (err) { dev_err(&pdev->dev, "PCI device enable failed.\n"); @@ -3976,7 +4051,7 @@ static int __devinit qlge_probe(struct pci_dev *pdev, pci_disable_device(pdev); return err; } - netif_carrier_off(ndev); + ql_link_off(qdev); ql_display_dev_info(ndev); cards_found++; return 0; diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c index 71afbf8..6685bd9 100644 --- a/drivers/net/qlge/qlge_mpi.c +++ b/drivers/net/qlge/qlge_mpi.c @@ -238,7 +238,7 @@ static void ql_link_up(struct ql_adapter *qdev, struct mbox_params *mbcp) &qdev->mpi_port_cfg_work, 0); } - netif_carrier_on(qdev->ndev); + ql_link_on(qdev); } static void ql_link_down(struct ql_adapter *qdev, struct mbox_params *mbcp) @@ -251,7 +251,7 @@ static void ql_link_down(struct ql_adapter *qdev, struct mbox_params *mbcp) if (status) QPRINTK(qdev, DRV, ERR, "Link down AEN broken!\n"); - netif_carrier_off(qdev->ndev); + ql_link_off(qdev); } static int ql_sfp_in(struct ql_adapter *qdev, struct mbox_params *mbcp) @@ -849,7 +849,7 @@ void ql_mpi_idc_work(struct work_struct *work) case MB_CMD_PORT_RESET: case MB_CMD_SET_PORT_CFG: case MB_CMD_STOP_FW: - netif_carrier_off(qdev->ndev); + ql_link_off(qdev); /* Signal the resulting link up AEN * that the frame routing and mac addr * needs to be set. diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c index b60639b..66067f9 100644 --- a/drivers/net/smsc911x.c +++ b/drivers/net/smsc911x.c @@ -1938,7 +1938,7 @@ static int __devexit smsc911x_drv_remove(struct platform_device *pdev) if (!res) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(res->start, res->end - res->start); + release_mem_region(res->start, resource_size(res)); iounmap(pdata->ioaddr); @@ -1976,7 +1976,7 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev) retval = -ENODEV; goto out_0; } - res_size = res->end - res->start + 1; + res_size = resource_size(res); irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); if (!irq_res) { @@ -2104,7 +2104,7 @@ out_unmap_io_3: out_free_netdev_2: free_netdev(dev); out_release_io_1: - release_mem_region(res->start, res->end - res->start); + release_mem_region(res->start, resource_size(res)); out_0: return retval; } diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 11a0ba4..027f7ab 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -486,12 +486,14 @@ static unsigned int tun_chr_poll(struct file *file, poll_table * wait) { struct tun_file *tfile = file->private_data; struct tun_struct *tun = __tun_get(tfile); - struct sock *sk = tun->sk; + struct sock *sk; unsigned int mask = 0; if (!tun) return POLLERR; + sk = tun->sk; + DBG(KERN_INFO "%s: tun_chr_poll\n", tun->dev->name); poll_wait(file, &tun->socket.wait, wait); @@ -1324,20 +1326,22 @@ static int tun_chr_close(struct inode *inode, struct file *file) struct tun_file *tfile = file->private_data; struct tun_struct *tun; - - rtnl_lock(); tun = __tun_get(tfile); if (tun) { - DBG(KERN_INFO "%s: tun_chr_close\n", tun->dev->name); + struct net_device *dev = tun->dev; + + DBG(KERN_INFO "%s: tun_chr_close\n", dev->name); __tun_detach(tun); /* If desireable, unregister the netdevice. */ - if (!(tun->flags & TUN_PERSIST)) - unregister_netdevice(tun->dev); - + if (!(tun->flags & TUN_PERSIST)) { + rtnl_lock(); + if (dev->reg_state == NETREG_REGISTERED) + unregister_netdevice(dev); + rtnl_unlock(); + } } - rtnl_unlock(); tun = tfile->tun; if (tun) diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c index 80e0177..cd35d50 100644 --- a/drivers/net/usb/cdc_eem.c +++ b/drivers/net/usb/cdc_eem.c @@ -319,7 +319,7 @@ static int eem_rx_fixup(struct usbnet *dev, struct sk_buff *skb) return crc == crc2; if (unlikely(crc != crc2)) { - dev->stats.rx_errors++; + dev->net->stats.rx_errors++; dev_kfree_skb_any(skb2); } else usbnet_skb_return(dev, skb2); diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c index 7ae8244..1d3730d 100644 --- a/drivers/net/usb/dm9601.c +++ b/drivers/net/usb/dm9601.c @@ -513,11 +513,11 @@ static int dm9601_rx_fixup(struct usbnet *dev, struct sk_buff *skb) len = (skb->data[1] | (skb->data[2] << 8)) - 4; if (unlikely(status & 0xbf)) { - if (status & 0x01) dev->stats.rx_fifo_errors++; - if (status & 0x02) dev->stats.rx_crc_errors++; - if (status & 0x04) dev->stats.rx_frame_errors++; - if (status & 0x20) dev->stats.rx_missed_errors++; - if (status & 0x90) dev->stats.rx_length_errors++; + if (status & 0x01) dev->net->stats.rx_fifo_errors++; + if (status & 0x02) dev->net->stats.rx_crc_errors++; + if (status & 0x04) dev->net->stats.rx_frame_errors++; + if (status & 0x20) dev->net->stats.rx_missed_errors++; + if (status & 0x90) dev->net->stats.rx_length_errors++; return 0; } diff --git a/drivers/net/usb/net1080.c b/drivers/net/usb/net1080.c index 034e8a7..aeb1ab0 100644 --- a/drivers/net/usb/net1080.c +++ b/drivers/net/usb/net1080.c @@ -433,7 +433,7 @@ static int net1080_rx_fixup(struct usbnet *dev, struct sk_buff *skb) dbg("rx framesize %d range %d..%d mtu %d", skb->len, net->hard_header_len, dev->hard_mtu, net->mtu); #endif - dev->stats.rx_frame_errors++; + dev->net->stats.rx_frame_errors++; nc_ensure_sync(dev); return 0; } @@ -442,12 +442,12 @@ static int net1080_rx_fixup(struct usbnet *dev, struct sk_buff *skb) hdr_len = le16_to_cpup(&header->hdr_len); packet_len = le16_to_cpup(&header->packet_len); if (FRAMED_SIZE(packet_len) > NC_MAX_PACKET) { - dev->stats.rx_frame_errors++; + dev->net->stats.rx_frame_errors++; dbg("packet too big, %d", packet_len); nc_ensure_sync(dev); return 0; } else if (hdr_len < MIN_HEADER) { - dev->stats.rx_frame_errors++; + dev->net->stats.rx_frame_errors++; dbg("header too short, %d", hdr_len); nc_ensure_sync(dev); return 0; @@ -465,21 +465,21 @@ static int net1080_rx_fixup(struct usbnet *dev, struct sk_buff *skb) if ((packet_len & 0x01) == 0) { if (skb->data [packet_len] != PAD_BYTE) { - dev->stats.rx_frame_errors++; + dev->net->stats.rx_frame_errors++; dbg("bad pad"); return 0; } skb_trim(skb, skb->len - 1); } if (skb->len != packet_len) { - dev->stats.rx_frame_errors++; + dev->net->stats.rx_frame_errors++; dbg("bad packet len %d (expected %d)", skb->len, packet_len); nc_ensure_sync(dev); return 0; } if (header->packet_id != get_unaligned(&trailer->packet_id)) { - dev->stats.rx_fifo_errors++; + dev->net->stats.rx_fifo_errors++; dbg("(2+ dropped) rx packet_id mismatch 0x%x 0x%x", le16_to_cpu(header->packet_id), le16_to_cpu(trailer->packet_id)); diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c index 1bf243e..2232232 100644 --- a/drivers/net/usb/rndis_host.c +++ b/drivers/net/usb/rndis_host.c @@ -487,7 +487,7 @@ int rndis_rx_fixup(struct usbnet *dev, struct sk_buff *skb) if (unlikely(hdr->msg_type != RNDIS_MSG_PACKET || skb->len < msg_len || (data_offset + data_len + 8) > msg_len)) { - dev->stats.rx_frame_errors++; + dev->net->stats.rx_frame_errors++; devdbg(dev, "bad rndis message %d/%d/%d/%d, len %d", le32_to_cpu(hdr->msg_type), msg_len, data_offset, data_len, skb->len); diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 89a91f8..fe04589 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1108,18 +1108,18 @@ static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb) if (unlikely(header & RX_STS_ES_)) { if (netif_msg_rx_err(dev)) devdbg(dev, "Error header=0x%08x", header); - dev->stats.rx_errors++; - dev->stats.rx_dropped++; + dev->net->stats.rx_errors++; + dev->net->stats.rx_dropped++; if (header & RX_STS_CRC_) { - dev->stats.rx_crc_errors++; + dev->net->stats.rx_crc_errors++; } else { if (header & (RX_STS_TL_ | RX_STS_RF_)) - dev->stats.rx_frame_errors++; + dev->net->stats.rx_frame_errors++; if ((header & RX_STS_LE_) && (!(header & RX_STS_FT_))) - dev->stats.rx_length_errors++; + dev->net->stats.rx_length_errors++; } } else { /* ETH_FRAME_LEN + 4(CRC) + 2(COE) + 4(Vlan) */ diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 22c0585..edfd9e1 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -234,8 +234,8 @@ void usbnet_skb_return (struct usbnet *dev, struct sk_buff *skb) int status; skb->protocol = eth_type_trans (skb, dev->net); - dev->stats.rx_packets++; - dev->stats.rx_bytes += skb->len; + dev->net->stats.rx_packets++; + dev->net->stats.rx_bytes += skb->len; if (netif_msg_rx_status (dev)) devdbg (dev, "< rx, len %zu, type 0x%x", @@ -397,7 +397,7 @@ static inline void rx_process (struct usbnet *dev, struct sk_buff *skb) if (netif_msg_rx_err (dev)) devdbg (dev, "drop"); error: - dev->stats.rx_errors++; + dev->net->stats.rx_errors++; skb_queue_tail (&dev->done, skb); } } @@ -420,8 +420,8 @@ static void rx_complete (struct urb *urb) case 0: if (skb->len < dev->net->hard_header_len) { entry->state = rx_cleanup; - dev->stats.rx_errors++; - dev->stats.rx_length_errors++; + dev->net->stats.rx_errors++; + dev->net->stats.rx_length_errors++; if (netif_msg_rx_err (dev)) devdbg (dev, "rx length %d", skb->len); } @@ -433,7 +433,7 @@ static void rx_complete (struct urb *urb) * storm, recovering as needed. */ case -EPIPE: - dev->stats.rx_errors++; + dev->net->stats.rx_errors++; usbnet_defer_kevent (dev, EVENT_RX_HALT); // FALLTHROUGH @@ -451,7 +451,7 @@ static void rx_complete (struct urb *urb) case -EPROTO: case -ETIME: case -EILSEQ: - dev->stats.rx_errors++; + dev->net->stats.rx_errors++; if (!timer_pending (&dev->delay)) { mod_timer (&dev->delay, jiffies + THROTTLE_JIFFIES); if (netif_msg_link (dev)) @@ -465,12 +465,12 @@ block: /* data overrun ... flush fifo? */ case -EOVERFLOW: - dev->stats.rx_over_errors++; + dev->net->stats.rx_over_errors++; // FALLTHROUGH default: entry->state = rx_cleanup; - dev->stats.rx_errors++; + dev->net->stats.rx_errors++; if (netif_msg_rx_err (dev)) devdbg (dev, "rx status %d", urb_status); break; @@ -583,8 +583,8 @@ int usbnet_stop (struct net_device *net) if (netif_msg_ifdown (dev)) devinfo (dev, "stop stats: rx/tx %ld/%ld, errs %ld/%ld", - dev->stats.rx_packets, dev->stats.tx_packets, - dev->stats.rx_errors, dev->stats.tx_errors + net->stats.rx_packets, net->stats.tx_packets, + net->stats.rx_errors, net->stats.tx_errors ); // ensure there are no more active urbs @@ -891,10 +891,10 @@ static void tx_complete (struct urb *urb) struct usbnet *dev = entry->dev; if (urb->status == 0) { - dev->stats.tx_packets++; - dev->stats.tx_bytes += entry->length; + dev->net->stats.tx_packets++; + dev->net->stats.tx_bytes += entry->length; } else { - dev->stats.tx_errors++; + dev->net->stats.tx_errors++; switch (urb->status) { case -EPIPE: @@ -1020,7 +1020,7 @@ int usbnet_start_xmit (struct sk_buff *skb, struct net_device *net) devdbg (dev, "drop, code %d", retval); drop: retval = NET_XMIT_SUCCESS; - dev->stats.tx_dropped++; + dev->net->stats.tx_dropped++; if (skb) dev_kfree_skb_any (skb); usb_free_urb (urb); diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c index b618bd1..48d81d9 100644 --- a/drivers/net/wireless/p54/p54common.c +++ b/drivers/net/wireless/p54/p54common.c @@ -823,30 +823,30 @@ void p54_free_skb(struct ieee80211_hw *dev, struct sk_buff *skb) struct p54_tx_info *range; unsigned long flags; - if (unlikely(!skb || !dev || skb_queue_empty(&priv->tx_queue))) + if (unlikely(!skb || !dev || !skb_queue_len(&priv->tx_queue))) return; - /* There used to be a check here to see if the SKB was on the - * TX queue or not. This can never happen because all SKBs we - * see here successfully went through p54_assign_address() - * which means the SKB is on the ->tx_queue. + /* + * don't try to free an already unlinked skb */ + if (unlikely((!skb->next) || (!skb->prev))) + return; spin_lock_irqsave(&priv->tx_queue.lock, flags); info = IEEE80211_SKB_CB(skb); range = (void *)info->rate_driver_data; - if (!skb_queue_is_first(&priv->tx_queue, skb)) { + if (skb->prev != (struct sk_buff *)&priv->tx_queue) { struct ieee80211_tx_info *ni; struct p54_tx_info *mr; - ni = IEEE80211_SKB_CB(skb_queue_prev(&priv->tx_queue, skb)); + ni = IEEE80211_SKB_CB(skb->prev); mr = (struct p54_tx_info *)ni->rate_driver_data; } - if (!skb_queue_is_last(&priv->tx_queue, skb)) { + if (skb->next != (struct sk_buff *)&priv->tx_queue) { struct ieee80211_tx_info *ni; struct p54_tx_info *mr; - ni = IEEE80211_SKB_CB(skb_queue_next(&priv->tx_queue, skb)); + ni = IEEE80211_SKB_CB(skb->next); mr = (struct p54_tx_info *)ni->rate_driver_data; } __skb_unlink(skb, &priv->tx_queue); @@ -864,13 +864,15 @@ static struct sk_buff *p54_find_tx_entry(struct ieee80211_hw *dev, unsigned long flags; spin_lock_irqsave(&priv->tx_queue.lock, flags); - skb_queue_walk(&priv->tx_queue, entry) { + entry = priv->tx_queue.next; + while (entry != (struct sk_buff *)&priv->tx_queue) { struct p54_hdr *hdr = (struct p54_hdr *) entry->data; if (hdr->req_id == req_id) { spin_unlock_irqrestore(&priv->tx_queue.lock, flags); return entry; } + entry = entry->next; } spin_unlock_irqrestore(&priv->tx_queue.lock, flags); return NULL; @@ -888,22 +890,24 @@ static void p54_rx_frame_sent(struct ieee80211_hw *dev, struct sk_buff *skb) int count, idx; spin_lock_irqsave(&priv->tx_queue.lock, flags); - skb_queue_walk(&priv->tx_queue, entry) { + entry = (struct sk_buff *) priv->tx_queue.next; + while (entry != (struct sk_buff *)&priv->tx_queue) { struct ieee80211_tx_info *info = IEEE80211_SKB_CB(entry); struct p54_hdr *entry_hdr; struct p54_tx_data *entry_data; unsigned int pad = 0, frame_len; range = (void *)info->rate_driver_data; - if (range->start_addr != addr) + if (range->start_addr != addr) { + entry = entry->next; continue; + } - if (!skb_queue_is_last(&priv->tx_queue, entry)) { + if (entry->next != (struct sk_buff *)&priv->tx_queue) { struct ieee80211_tx_info *ni; struct p54_tx_info *mr; - ni = IEEE80211_SKB_CB(skb_queue_next(&priv->tx_queue, - entry)); + ni = IEEE80211_SKB_CB(entry->next); mr = (struct p54_tx_info *)ni->rate_driver_data; } @@ -1164,21 +1168,23 @@ static int p54_assign_address(struct ieee80211_hw *dev, struct sk_buff *skb, } } - skb_queue_walk(&priv->tx_queue, entry) { + entry = priv->tx_queue.next; + while (left--) { u32 hole_size; info = IEEE80211_SKB_CB(entry); range = (void *)info->rate_driver_data; hole_size = range->start_addr - last_addr; if (!target_skb && hole_size >= len) { - target_skb = skb_queue_prev(&priv->tx_queue, entry); + target_skb = entry->prev; hole_size -= len; target_addr = last_addr; } largest_hole = max(largest_hole, hole_size); last_addr = range->end_addr; + entry = entry->next; } if (!target_skb && priv->rx_end - last_addr >= len) { - target_skb = skb_peek_tail(&priv->tx_queue); + target_skb = priv->tx_queue.prev; largest_hole = max(largest_hole, priv->rx_end - last_addr - len); if (!skb_queue_empty(&priv->tx_queue)) { info = IEEE80211_SKB_CB(target_skb); @@ -2084,6 +2090,7 @@ out: static void p54_stop(struct ieee80211_hw *dev) { struct p54_common *priv = dev->priv; + struct sk_buff *skb; mutex_lock(&priv->conf_mutex); priv->mode = NL80211_IFTYPE_UNSPECIFIED; @@ -2098,7 +2105,8 @@ static void p54_stop(struct ieee80211_hw *dev) p54_tx_cancel(dev, priv->cached_beacon); priv->stop(dev); - skb_queue_purge(&priv->tx_queue); + while ((skb = skb_dequeue(&priv->tx_queue))) + kfree_skb(skb); priv->cached_beacon = NULL; priv->tsf_high32 = priv->tsf_low32 = 0; mutex_unlock(&priv->conf_mutex); diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c index 5d610cb..0f0e0b9 100644 --- a/drivers/parisc/ccio-dma.c +++ b/drivers/parisc/ccio-dma.c @@ -1134,7 +1134,7 @@ static const struct file_operations ccio_proc_bitmap_fops = { .llseek = seq_lseek, .release = single_release, }; -#endif +#endif /* CONFIG_PROC_FS */ /** * ccio_find_ioc - Find the ioc in the ioc_list @@ -1568,14 +1568,15 @@ static int __init ccio_probe(struct parisc_device *dev) /* if this fails, no I/O cards will work, so may as well bug */ BUG_ON(dev->dev.platform_data == NULL); HBA_DATA(dev->dev.platform_data)->iommu = ioc; - + +#ifdef CONFIG_PROC_FS if (ioc_count == 0) { proc_create(MODULE_NAME, 0, proc_runway_root, &ccio_proc_info_fops); proc_create(MODULE_NAME"-bitmap", 0, proc_runway_root, &ccio_proc_bitmap_fops); } - +#endif ioc_count++; parisc_has_iommu(); diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c index 52ae0b1..c590974 100644 --- a/drivers/parisc/dino.c +++ b/drivers/parisc/dino.c @@ -353,7 +353,7 @@ static unsigned int dino_startup_irq(unsigned int irq) return 0; } -static struct hw_interrupt_type dino_interrupt_type = { +static struct irq_chip dino_interrupt_type = { .typename = "GSC-PCI", .startup = dino_startup_irq, .shutdown = dino_disable_irq, @@ -1019,22 +1019,22 @@ static int __init dino_probe(struct parisc_device *dev) ** It's not used to avoid chicken/egg problems ** with configuration accessor functions. */ - bus = pci_scan_bus_parented(&dev->dev, dino_current_bus, - &dino_cfg_ops, NULL); + dino_dev->hba.hba_bus = bus = pci_scan_bus_parented(&dev->dev, + dino_current_bus, &dino_cfg_ops, NULL); + if(bus) { - pci_bus_add_devices(bus); /* This code *depends* on scanning being single threaded * if it isn't, this global bus number count will fail */ dino_current_bus = bus->subordinate + 1; pci_bus_assign_resources(bus); + pci_bus_add_devices(bus); } else { - printk(KERN_ERR "ERROR: failed to scan PCI bus on %s (probably duplicate bus number %d)\n", + printk(KERN_ERR "ERROR: failed to scan PCI bus on %s (duplicate bus number %d?)\n", dev_name(&dev->dev), dino_current_bus); /* increment the bus number in case of duplicates */ dino_current_bus++; } - dino_dev->hba.hba_bus = bus; return 0; } diff --git a/drivers/parisc/eisa.c b/drivers/parisc/eisa.c index 5b89f40..5122074 100644 --- a/drivers/parisc/eisa.c +++ b/drivers/parisc/eisa.c @@ -188,7 +188,7 @@ static unsigned int eisa_startup_irq(unsigned int irq) return 0; } -static struct hw_interrupt_type eisa_interrupt_type = { +static struct irq_chip eisa_interrupt_type = { .typename = "EISA", .startup = eisa_startup_irq, .shutdown = eisa_disable_irq, diff --git a/drivers/parisc/gsc.c b/drivers/parisc/gsc.c index d336329..647adc9 100644 --- a/drivers/parisc/gsc.c +++ b/drivers/parisc/gsc.c @@ -148,7 +148,7 @@ static unsigned int gsc_asic_startup_irq(unsigned int irq) return 0; } -static struct hw_interrupt_type gsc_asic_interrupt_type = { +static struct irq_chip gsc_asic_interrupt_type = { .typename = "GSC-ASIC", .startup = gsc_asic_startup_irq, .shutdown = gsc_asic_disable_irq, @@ -158,7 +158,7 @@ static struct hw_interrupt_type gsc_asic_interrupt_type = { .end = no_end_irq, }; -int gsc_assign_irq(struct hw_interrupt_type *type, void *data) +int gsc_assign_irq(struct irq_chip *type, void *data) { static int irq = GSC_IRQ_BASE; struct irq_desc *desc; diff --git a/drivers/parisc/gsc.h b/drivers/parisc/gsc.h index 762a1ba..b9d7bfb 100644 --- a/drivers/parisc/gsc.h +++ b/drivers/parisc/gsc.h @@ -38,7 +38,7 @@ struct gsc_asic { int gsc_common_setup(struct parisc_device *parent, struct gsc_asic *gsc_asic); int gsc_alloc_irq(struct gsc_irq *dev); /* dev needs an irq */ int gsc_claim_irq(struct gsc_irq *dev, int irq); /* dev needs this irq */ -int gsc_assign_irq(struct hw_interrupt_type *type, void *data); +int gsc_assign_irq(struct irq_chip *type, void *data); int gsc_find_local_irq(unsigned int irq, int *global_irq, int limit); void gsc_fixup_irqs(struct parisc_device *parent, void *ctrl, void (*choose)(struct parisc_device *child, void *ctrl)); diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c index 4a9cc92..88e3335 100644 --- a/drivers/parisc/iosapic.c +++ b/drivers/parisc/iosapic.c @@ -729,7 +729,7 @@ static int iosapic_set_affinity_irq(unsigned int irq, } #endif -static struct hw_interrupt_type iosapic_interrupt_type = { +static struct irq_chip iosapic_interrupt_type = { .typename = "IO-SAPIC-level", .startup = iosapic_startup_irq, .shutdown = iosapic_disable_irq, diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c index 59fbbf1..ede6146 100644 --- a/drivers/parisc/lba_pci.c +++ b/drivers/parisc/lba_pci.c @@ -980,28 +980,38 @@ static void lba_pat_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev) { unsigned long bytecnt; - pdc_pat_cell_mod_maddr_block_t pa_pdc_cell; /* PA_VIEW */ - pdc_pat_cell_mod_maddr_block_t io_pdc_cell; /* IO_VIEW */ long io_count; long status; /* PDC return status */ long pa_count; + pdc_pat_cell_mod_maddr_block_t *pa_pdc_cell; /* PA_VIEW */ + pdc_pat_cell_mod_maddr_block_t *io_pdc_cell; /* IO_VIEW */ int i; + pa_pdc_cell = kzalloc(sizeof(pdc_pat_cell_mod_maddr_block_t), GFP_KERNEL); + if (!pa_pdc_cell) + return; + + io_pdc_cell = kzalloc(sizeof(pdc_pat_cell_mod_maddr_block_t), GFP_KERNEL); + if (!pa_pdc_cell) { + kfree(pa_pdc_cell); + return; + } + /* return cell module (IO view) */ status = pdc_pat_cell_module(&bytecnt, pa_dev->pcell_loc, pa_dev->mod_index, - PA_VIEW, & pa_pdc_cell); - pa_count = pa_pdc_cell.mod[1]; + PA_VIEW, pa_pdc_cell); + pa_count = pa_pdc_cell->mod[1]; status |= pdc_pat_cell_module(&bytecnt, pa_dev->pcell_loc, pa_dev->mod_index, - IO_VIEW, &io_pdc_cell); - io_count = io_pdc_cell.mod[1]; + IO_VIEW, io_pdc_cell); + io_count = io_pdc_cell->mod[1]; /* We've already done this once for device discovery...*/ if (status != PDC_OK) { panic("pdc_pat_cell_module() call failed for LBA!\n"); } - if (PAT_GET_ENTITY(pa_pdc_cell.mod_info) != PAT_ENTITY_LBA) { + if (PAT_GET_ENTITY(pa_pdc_cell->mod_info) != PAT_ENTITY_LBA) { panic("pdc_pat_cell_module() entity returned != PAT_ENTITY_LBA!\n"); } @@ -1016,8 +1026,8 @@ lba_pat_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev) } *p, *io; struct resource *r; - p = (void *) &(pa_pdc_cell.mod[2+i*3]); - io = (void *) &(io_pdc_cell.mod[2+i*3]); + p = (void *) &(pa_pdc_cell->mod[2+i*3]); + io = (void *) &(io_pdc_cell->mod[2+i*3]); /* Convert the PAT range data to PCI "struct resource" */ switch(p->type & 0xff) { @@ -1096,6 +1106,9 @@ lba_pat_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev) break; } } + + kfree(pa_pdc_cell); + kfree(io_pdc_cell); } #else /* keep compiler from complaining about missing declarations */ @@ -1509,10 +1522,6 @@ lba_driver_probe(struct parisc_device *dev) lba_bus = lba_dev->hba.hba_bus = pci_scan_bus_parented(&dev->dev, lba_dev->hba.bus_num.start, cfg_ops, NULL); - if (lba_bus) { - lba_next_bus = lba_bus->subordinate + 1; - pci_bus_add_devices(lba_bus); - } /* This is in lieu of calling pci_assign_unassigned_resources() */ if (is_pdc_pat()) { @@ -1533,7 +1542,6 @@ lba_driver_probe(struct parisc_device *dev) } pci_enable_bridges(lba_bus); - /* ** Once PCI register ops has walked the bus, access to config ** space is restricted. Avoids master aborts on config cycles. @@ -1543,6 +1551,11 @@ lba_driver_probe(struct parisc_device *dev) lba_dev->flags |= LBA_FLAG_SKIP_PROBE; } + if (lba_bus) { + lba_next_bus = lba_bus->subordinate + 1; + pci_bus_add_devices(lba_bus); + } + /* Whew! Finally done! Tell services we got this one covered. */ return 0; } diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c index d46dd57..123d8fe 100644 --- a/drivers/parisc/sba_iommu.c +++ b/drivers/parisc/sba_iommu.c @@ -2057,6 +2057,7 @@ void sba_directed_lmmio(struct parisc_device *pci_hba, struct resource *r) r->start = (base & ~1UL) | PCI_F_EXTEND; size = ~ READ_REG32(reg + LMMIO_DIRECT0_MASK); r->end = r->start + size; + r->flags = IORESOURCE_MEM; } } @@ -2093,4 +2094,5 @@ void sba_distributed_lmmio(struct parisc_device *pci_hba, struct resource *r ) size = (~READ_REG32(sba->sba_hpa + LMMIO_DIST_MASK)) / ROPES_PER_IOC; r->start += rope * (size + 1); /* adjust base for this rope */ r->end = r->start + size; + r->flags = IORESOURCE_MEM; } diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c index 33e5ade..675f04e 100644 --- a/drivers/parisc/superio.c +++ b/drivers/parisc/superio.c @@ -325,7 +325,7 @@ static unsigned int superio_startup_irq(unsigned int irq) return 0; } -static struct hw_interrupt_type superio_interrupt_type = { +static struct irq_chip superio_interrupt_type = { .typename = SUPERIO, .startup = superio_startup_irq, .shutdown = superio_disable_irq, @@ -434,8 +434,8 @@ static void __init superio_parport_init(void) 0 /*base_hi*/, PAR_IRQ, PARPORT_DMA_NONE /* dma */, - NULL /*struct pci_dev* */), - 0 /* shared irq flags */ ) + NULL /*struct pci_dev* */, + 0 /* shared irq flags */)) printk(KERN_WARNING PFX "Probing parallel port failed.\n"); #endif /* CONFIG_PARPORT_PC */ diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c index 1032d5f..2597145 100644 --- a/drivers/parport/parport_pc.c +++ b/drivers/parport/parport_pc.c @@ -2907,6 +2907,7 @@ enum parport_pc_pci_cards { netmos_9755, netmos_9805, netmos_9815, + netmos_9901, quatech_sppxp100, }; @@ -2987,7 +2988,7 @@ static struct parport_pc_pci { /* netmos_9755 */ { 2, { { 0, 1 }, { 2, 3 },} }, /* netmos_9805 */ { 1, { { 0, -1 }, } }, /* netmos_9815 */ { 2, { { 0, -1 }, { 2, -1 }, } }, - + /* netmos_9901 */ { 1, { { 0, -1 }, } }, /* quatech_sppxp100 */ { 1, { { 0, 1 }, } }, }; @@ -3089,6 +3090,8 @@ static const struct pci_device_id parport_pc_pci_tbl[] = { PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9805 }, { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9815, PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9815 }, + { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9901, + 0xA000, 0x2000, 0, 0, netmos_9901 }, /* Quatech SPPXP-100 Parallel port PCI ExpressCard */ { PCI_VENDOR_ID_QUATECH, PCI_DEVICE_ID_QUATECH_SPPXP_100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, quatech_sppxp100 }, diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c index 8445804..5c5043f 100644 --- a/drivers/pci/hotplug/pci_hotplug_core.c +++ b/drivers/pci/hotplug/pci_hotplug_core.c @@ -555,6 +555,8 @@ static struct hotplug_slot *get_slot_from_name (const char *name) * @slot: pointer to the &struct hotplug_slot to register * @devnr: device number * @name: name registered with kobject core + * @owner: caller module owner + * @mod_name: caller module name * * Registers a hotplug slot with the pci hotplug subsystem, which will allow * userspace interaction to the slot. diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 420afa8..360fb67 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -56,14 +56,32 @@ #define MAX_AGAW_WIDTH 64 #define DOMAIN_MAX_ADDR(gaw) ((((u64)1) << gaw) - 1) +#define DOMAIN_MAX_PFN(gaw) ((((u64)1) << (gaw-VTD_PAGE_SHIFT)) - 1) #define IOVA_PFN(addr) ((addr) >> PAGE_SHIFT) #define DMA_32BIT_PFN IOVA_PFN(DMA_BIT_MASK(32)) #define DMA_64BIT_PFN IOVA_PFN(DMA_BIT_MASK(64)) -#ifndef PHYSICAL_PAGE_MASK -#define PHYSICAL_PAGE_MASK PAGE_MASK -#endif + +/* VT-d pages must always be _smaller_ than MM pages. Otherwise things + are never going to work. */ +static inline unsigned long dma_to_mm_pfn(unsigned long dma_pfn) +{ + return dma_pfn >> (PAGE_SHIFT - VTD_PAGE_SHIFT); +} + +static inline unsigned long mm_to_dma_pfn(unsigned long mm_pfn) +{ + return mm_pfn << (PAGE_SHIFT - VTD_PAGE_SHIFT); +} +static inline unsigned long page_to_dma_pfn(struct page *pg) +{ + return mm_to_dma_pfn(page_to_pfn(pg)); +} +static inline unsigned long virt_to_dma_pfn(void *p) +{ + return page_to_dma_pfn(virt_to_page(p)); +} /* global iommu list, set NULL for ignored DMAR units */ static struct intel_iommu **g_iommus; @@ -204,12 +222,17 @@ static inline void dma_set_pte_prot(struct dma_pte *pte, unsigned long prot) static inline u64 dma_pte_addr(struct dma_pte *pte) { - return (pte->val & VTD_PAGE_MASK); +#ifdef CONFIG_64BIT + return pte->val & VTD_PAGE_MASK; +#else + /* Must have a full atomic 64-bit read */ + return __cmpxchg64(pte, 0ULL, 0ULL) & VTD_PAGE_MASK; +#endif } -static inline void dma_set_pte_addr(struct dma_pte *pte, u64 addr) +static inline void dma_set_pte_pfn(struct dma_pte *pte, unsigned long pfn) { - pte->val |= (addr & VTD_PAGE_MASK); + pte->val |= (uint64_t)pfn << VTD_PAGE_SHIFT; } static inline bool dma_pte_present(struct dma_pte *pte) @@ -217,6 +240,11 @@ static inline bool dma_pte_present(struct dma_pte *pte) return (pte->val & 3) != 0; } +static inline int first_pte_in_page(struct dma_pte *pte) +{ + return !((unsigned long)pte & ~VTD_PAGE_MASK); +} + /* * This domain is a statically identity mapping domain. * 1. This domain creats a static 1:1 mapping to all usable memory. @@ -244,7 +272,6 @@ struct dmar_domain { struct iova_domain iovad; /* iova's that belong to this domain */ struct dma_pte *pgd; /* virtual address */ - spinlock_t mapping_lock; /* page table lock */ int gaw; /* max guest address width */ /* adjusted guest address width, 0 is level 2 30-bit */ @@ -648,80 +675,78 @@ static inline int width_to_agaw(int width) static inline unsigned int level_to_offset_bits(int level) { - return (12 + (level - 1) * LEVEL_STRIDE); + return (level - 1) * LEVEL_STRIDE; } -static inline int address_level_offset(u64 addr, int level) +static inline int pfn_level_offset(unsigned long pfn, int level) { - return ((addr >> level_to_offset_bits(level)) & LEVEL_MASK); + return (pfn >> level_to_offset_bits(level)) & LEVEL_MASK; } -static inline u64 level_mask(int level) +static inline unsigned long level_mask(int level) { - return ((u64)-1 << level_to_offset_bits(level)); + return -1UL << level_to_offset_bits(level); } -static inline u64 level_size(int level) +static inline unsigned long level_size(int level) { - return ((u64)1 << level_to_offset_bits(level)); + return 1UL << level_to_offset_bits(level); } -static inline u64 align_to_level(u64 addr, int level) +static inline unsigned long align_to_level(unsigned long pfn, int level) { - return ((addr + level_size(level) - 1) & level_mask(level)); + return (pfn + level_size(level) - 1) & level_mask(level); } -static struct dma_pte * addr_to_dma_pte(struct dmar_domain *domain, u64 addr) +static struct dma_pte *pfn_to_dma_pte(struct dmar_domain *domain, + unsigned long pfn) { - int addr_width = agaw_to_width(domain->agaw); + int addr_width = agaw_to_width(domain->agaw) - VTD_PAGE_SHIFT; struct dma_pte *parent, *pte = NULL; int level = agaw_to_level(domain->agaw); int offset; - unsigned long flags; BUG_ON(!domain->pgd); - - addr &= (((u64)1) << addr_width) - 1; + BUG_ON(addr_width < BITS_PER_LONG && pfn >> addr_width); parent = domain->pgd; - spin_lock_irqsave(&domain->mapping_lock, flags); while (level > 0) { void *tmp_page; - offset = address_level_offset(addr, level); + offset = pfn_level_offset(pfn, level); pte = &parent[offset]; if (level == 1) break; if (!dma_pte_present(pte)) { + uint64_t pteval; + tmp_page = alloc_pgtable_page(); - if (!tmp_page) { - spin_unlock_irqrestore(&domain->mapping_lock, - flags); + if (!tmp_page) return NULL; + + domain_flush_cache(domain, tmp_page, VTD_PAGE_SIZE); + pteval = (virt_to_dma_pfn(tmp_page) << VTD_PAGE_SHIFT) | DMA_PTE_READ | DMA_PTE_WRITE; + if (cmpxchg64(&pte->val, 0ULL, pteval)) { + /* Someone else set it while we were thinking; use theirs. */ + free_pgtable_page(tmp_page); + } else { + dma_pte_addr(pte); + domain_flush_cache(domain, pte, sizeof(*pte)); } - domain_flush_cache(domain, tmp_page, PAGE_SIZE); - dma_set_pte_addr(pte, virt_to_phys(tmp_page)); - /* - * high level table always sets r/w, last level page - * table control read/write - */ - dma_set_pte_readable(pte); - dma_set_pte_writable(pte); - domain_flush_cache(domain, pte, sizeof(*pte)); } parent = phys_to_virt(dma_pte_addr(pte)); level--; } - spin_unlock_irqrestore(&domain->mapping_lock, flags); return pte; } /* return address's pte at specific level */ -static struct dma_pte *dma_addr_level_pte(struct dmar_domain *domain, u64 addr, - int level) +static struct dma_pte *dma_pfn_level_pte(struct dmar_domain *domain, + unsigned long pfn, + int level) { struct dma_pte *parent, *pte = NULL; int total = agaw_to_level(domain->agaw); @@ -729,7 +754,7 @@ static struct dma_pte *dma_addr_level_pte(struct dmar_domain *domain, u64 addr, parent = domain->pgd; while (level <= total) { - offset = address_level_offset(addr, total); + offset = pfn_level_offset(pfn, total); pte = &parent[offset]; if (level == total) return pte; @@ -742,74 +767,82 @@ static struct dma_pte *dma_addr_level_pte(struct dmar_domain *domain, u64 addr, return NULL; } -/* clear one page's page table */ -static void dma_pte_clear_one(struct dmar_domain *domain, u64 addr) -{ - struct dma_pte *pte = NULL; - - /* get last level pte */ - pte = dma_addr_level_pte(domain, addr, 1); - - if (pte) { - dma_clear_pte(pte); - domain_flush_cache(domain, pte, sizeof(*pte)); - } -} - /* clear last level pte, a tlb flush should be followed */ -static void dma_pte_clear_range(struct dmar_domain *domain, u64 start, u64 end) +static void dma_pte_clear_range(struct dmar_domain *domain, + unsigned long start_pfn, + unsigned long last_pfn) { - int addr_width = agaw_to_width(domain->agaw); - int npages; + int addr_width = agaw_to_width(domain->agaw) - VTD_PAGE_SHIFT; + struct dma_pte *first_pte, *pte; - start &= (((u64)1) << addr_width) - 1; - end &= (((u64)1) << addr_width) - 1; - /* in case it's partial page */ - start &= PAGE_MASK; - end = PAGE_ALIGN(end); - npages = (end - start) / VTD_PAGE_SIZE; + BUG_ON(addr_width < BITS_PER_LONG && start_pfn >> addr_width); + BUG_ON(addr_width < BITS_PER_LONG && last_pfn >> addr_width); - /* we don't need lock here, nobody else touches the iova range */ - while (npages--) { - dma_pte_clear_one(domain, start); - start += VTD_PAGE_SIZE; + /* we don't need lock here; nobody else touches the iova range */ + while (start_pfn <= last_pfn) { + first_pte = pte = dma_pfn_level_pte(domain, start_pfn, 1); + if (!pte) { + start_pfn = align_to_level(start_pfn + 1, 2); + continue; + } + do { + dma_clear_pte(pte); + start_pfn++; + pte++; + } while (start_pfn <= last_pfn && !first_pte_in_page(pte)); + + domain_flush_cache(domain, first_pte, + (void *)pte - (void *)first_pte); } } /* free page table pages. last level pte should already be cleared */ static void dma_pte_free_pagetable(struct dmar_domain *domain, - u64 start, u64 end) + unsigned long start_pfn, + unsigned long last_pfn) { - int addr_width = agaw_to_width(domain->agaw); - struct dma_pte *pte; + int addr_width = agaw_to_width(domain->agaw) - VTD_PAGE_SHIFT; + struct dma_pte *first_pte, *pte; int total = agaw_to_level(domain->agaw); int level; - u64 tmp; + unsigned long tmp; - start &= (((u64)1) << addr_width) - 1; - end &= (((u64)1) << addr_width) - 1; + BUG_ON(addr_width < BITS_PER_LONG && start_pfn >> addr_width); + BUG_ON(addr_width < BITS_PER_LONG && last_pfn >> addr_width); - /* we don't need lock here, nobody else touches the iova range */ + /* We don't need lock here; nobody else touches the iova range */ level = 2; while (level <= total) { - tmp = align_to_level(start, level); - if (tmp >= end || (tmp + level_size(level) > end)) + tmp = align_to_level(start_pfn, level); + + /* If we can't even clear one PTE at this level, we're done */ + if (tmp + level_size(level) - 1 > last_pfn) return; - while (tmp < end) { - pte = dma_addr_level_pte(domain, tmp, level); - if (pte) { - free_pgtable_page( - phys_to_virt(dma_pte_addr(pte))); - dma_clear_pte(pte); - domain_flush_cache(domain, pte, sizeof(*pte)); + while (tmp + level_size(level) - 1 <= last_pfn) { + first_pte = pte = dma_pfn_level_pte(domain, tmp, level); + if (!pte) { + tmp = align_to_level(tmp + 1, level + 1); + continue; } - tmp += level_size(level); + do { + if (dma_pte_present(pte)) { + free_pgtable_page(phys_to_virt(dma_pte_addr(pte))); + dma_clear_pte(pte); + } + pte++; + tmp += level_size(level); + } while (!first_pte_in_page(pte) && + tmp + level_size(level) - 1 <= last_pfn); + + domain_flush_cache(domain, first_pte, + (void *)pte - (void *)first_pte); + } level++; } /* free pgd */ - if (start == 0 && end >= ((((u64)1) << addr_width) - 1)) { + if (start_pfn == 0 && last_pfn == DOMAIN_MAX_PFN(domain->gaw)) { free_pgtable_page(domain->pgd); domain->pgd = NULL; } @@ -1035,11 +1068,11 @@ static void iommu_flush_dev_iotlb(struct dmar_domain *domain, } static void iommu_flush_iotlb_psi(struct intel_iommu *iommu, u16 did, - u64 addr, unsigned int pages) + unsigned long pfn, unsigned int pages) { unsigned int mask = ilog2(__roundup_pow_of_two(pages)); + uint64_t addr = (uint64_t)pfn << VTD_PAGE_SHIFT; - BUG_ON(addr & (~VTD_PAGE_MASK)); BUG_ON(pages == 0); /* @@ -1054,7 +1087,12 @@ static void iommu_flush_iotlb_psi(struct intel_iommu *iommu, u16 did, else iommu->flush.flush_iotlb(iommu, did, addr, mask, DMA_TLB_PSI_FLUSH); - if (did) + + /* + * In caching mode, domain ID 0 is reserved for non-present to present + * mapping flush. Device IOTLB doesn't need to be flushed in this case. + */ + if (!cap_caching_mode(iommu->cap) || did) iommu_flush_dev_iotlb(iommu->domains[did], addr, mask); } @@ -1279,7 +1317,6 @@ static void dmar_init_reserved_ranges(void) struct pci_dev *pdev = NULL; struct iova *iova; int i; - u64 addr, size; init_iova_domain(&reserved_iova_list, DMA_32BIT_PFN); @@ -1302,12 +1339,9 @@ static void dmar_init_reserved_ranges(void) r = &pdev->resource[i]; if (!r->flags || !(r->flags & IORESOURCE_MEM)) continue; - addr = r->start; - addr &= PHYSICAL_PAGE_MASK; - size = r->end - addr; - size = PAGE_ALIGN(size); - iova = reserve_iova(&reserved_iova_list, IOVA_PFN(addr), - IOVA_PFN(size + addr) - 1); + iova = reserve_iova(&reserved_iova_list, + IOVA_PFN(r->start), + IOVA_PFN(r->end)); if (!iova) printk(KERN_ERR "Reserve iova failed\n"); } @@ -1341,7 +1375,6 @@ static int domain_init(struct dmar_domain *domain, int guest_width) unsigned long sagaw; init_iova_domain(&domain->iovad, DMA_32BIT_PFN); - spin_lock_init(&domain->mapping_lock); spin_lock_init(&domain->iommu_lock); domain_reserve_special_ranges(domain); @@ -1388,7 +1421,6 @@ static void domain_exit(struct dmar_domain *domain) { struct dmar_drhd_unit *drhd; struct intel_iommu *iommu; - u64 end; /* Domain 0 is reserved, so dont process it */ if (!domain) @@ -1397,14 +1429,12 @@ static void domain_exit(struct dmar_domain *domain) domain_remove_dev_info(domain); /* destroy iovas */ put_iova_domain(&domain->iovad); - end = DOMAIN_MAX_ADDR(domain->gaw); - end = end & (~PAGE_MASK); /* clear ptes */ - dma_pte_clear_range(domain, 0, end); + dma_pte_clear_range(domain, 0, DOMAIN_MAX_PFN(domain->gaw)); /* free page tables */ - dma_pte_free_pagetable(domain, 0, end); + dma_pte_free_pagetable(domain, 0, DOMAIN_MAX_PFN(domain->gaw)); for_each_active_iommu(iommu, drhd) if (test_bit(iommu->seq_id, &domain->iommu_bmp)) @@ -1618,42 +1648,86 @@ static int domain_context_mapped(struct pci_dev *pdev) tmp->devfn); } -static int -domain_page_mapping(struct dmar_domain *domain, dma_addr_t iova, - u64 hpa, size_t size, int prot) +static int __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn, + struct scatterlist *sg, unsigned long phys_pfn, + unsigned long nr_pages, int prot) { - u64 start_pfn, end_pfn; - struct dma_pte *pte; - int index; - int addr_width = agaw_to_width(domain->agaw); + struct dma_pte *first_pte = NULL, *pte = NULL; + phys_addr_t uninitialized_var(pteval); + int addr_width = agaw_to_width(domain->agaw) - VTD_PAGE_SHIFT; + unsigned long sg_res; - hpa &= (((u64)1) << addr_width) - 1; + BUG_ON(addr_width < BITS_PER_LONG && (iov_pfn + nr_pages - 1) >> addr_width); if ((prot & (DMA_PTE_READ|DMA_PTE_WRITE)) == 0) return -EINVAL; - iova &= PAGE_MASK; - start_pfn = ((u64)hpa) >> VTD_PAGE_SHIFT; - end_pfn = (VTD_PAGE_ALIGN(((u64)hpa) + size)) >> VTD_PAGE_SHIFT; - index = 0; - while (start_pfn < end_pfn) { - pte = addr_to_dma_pte(domain, iova + VTD_PAGE_SIZE * index); - if (!pte) - return -ENOMEM; + + prot &= DMA_PTE_READ | DMA_PTE_WRITE | DMA_PTE_SNP; + + if (sg) + sg_res = 0; + else { + sg_res = nr_pages + 1; + pteval = ((phys_addr_t)phys_pfn << VTD_PAGE_SHIFT) | prot; + } + + while (nr_pages--) { + uint64_t tmp; + + if (!sg_res) { + sg_res = (sg->offset + sg->length + VTD_PAGE_SIZE - 1) >> VTD_PAGE_SHIFT; + sg->dma_address = ((dma_addr_t)iov_pfn << VTD_PAGE_SHIFT) + sg->offset; + sg->dma_length = sg->length; + pteval = page_to_phys(sg_page(sg)) | prot; + } + if (!pte) { + first_pte = pte = pfn_to_dma_pte(domain, iov_pfn); + if (!pte) + return -ENOMEM; + } /* We don't need lock here, nobody else * touches the iova range */ - BUG_ON(dma_pte_addr(pte)); - dma_set_pte_addr(pte, start_pfn << VTD_PAGE_SHIFT); - dma_set_pte_prot(pte, prot); - if (prot & DMA_PTE_SNP) - dma_set_pte_snp(pte); - domain_flush_cache(domain, pte, sizeof(*pte)); - start_pfn++; - index++; + tmp = cmpxchg64_local(&pte->val, 0ULL, pteval); + if (tmp) { + static int dumps = 5; + printk(KERN_CRIT "ERROR: DMA PTE for vPFN 0x%lx already set (to %llx not %llx)\n", + iov_pfn, tmp, (unsigned long long)pteval); + if (dumps) { + dumps--; + debug_dma_dump_mappings(NULL); + } + WARN_ON(1); + } + pte++; + if (!nr_pages || first_pte_in_page(pte)) { + domain_flush_cache(domain, first_pte, + (void *)pte - (void *)first_pte); + pte = NULL; + } + iov_pfn++; + pteval += VTD_PAGE_SIZE; + sg_res--; + if (!sg_res) + sg = sg_next(sg); } return 0; } +static inline int domain_sg_mapping(struct dmar_domain *domain, unsigned long iov_pfn, + struct scatterlist *sg, unsigned long nr_pages, + int prot) +{ + return __domain_mapping(domain, iov_pfn, sg, 0, nr_pages, prot); +} + +static inline int domain_pfn_mapping(struct dmar_domain *domain, unsigned long iov_pfn, + unsigned long phys_pfn, unsigned long nr_pages, + int prot) +{ + return __domain_mapping(domain, iov_pfn, NULL, phys_pfn, nr_pages, prot); +} + static void iommu_detach_dev(struct intel_iommu *iommu, u8 bus, u8 devfn) { if (!iommu) @@ -1844,58 +1918,61 @@ error: static int iommu_identity_mapping; +static int iommu_domain_identity_map(struct dmar_domain *domain, + unsigned long long start, + unsigned long long end) +{ + unsigned long first_vpfn = start >> VTD_PAGE_SHIFT; + unsigned long last_vpfn = end >> VTD_PAGE_SHIFT; + + if (!reserve_iova(&domain->iovad, dma_to_mm_pfn(first_vpfn), + dma_to_mm_pfn(last_vpfn))) { + printk(KERN_ERR "IOMMU: reserve iova failed\n"); + return -ENOMEM; + } + + pr_debug("Mapping reserved region %llx-%llx for domain %d\n", + start, end, domain->id); + /* + * RMRR range might have overlap with physical memory range, + * clear it first + */ + dma_pte_clear_range(domain, first_vpfn, last_vpfn); + + return domain_pfn_mapping(domain, first_vpfn, first_vpfn, + last_vpfn - first_vpfn + 1, + DMA_PTE_READ|DMA_PTE_WRITE); +} + static int iommu_prepare_identity_map(struct pci_dev *pdev, unsigned long long start, unsigned long long end) { struct dmar_domain *domain; - unsigned long size; - unsigned long long base; int ret; printk(KERN_INFO - "IOMMU: Setting identity map for device %s [0x%Lx - 0x%Lx]\n", - pci_name(pdev), start, end); - if (iommu_identity_mapping) - domain = si_domain; - else - /* page table init */ - domain = get_domain_for_dev(pdev, DEFAULT_DOMAIN_ADDRESS_WIDTH); + "IOMMU: Setting identity map for device %s [0x%Lx - 0x%Lx]\n", + pci_name(pdev), start, end); + + domain = get_domain_for_dev(pdev, DEFAULT_DOMAIN_ADDRESS_WIDTH); if (!domain) return -ENOMEM; - /* The address might not be aligned */ - base = start & PAGE_MASK; - size = end - base; - size = PAGE_ALIGN(size); - if (!reserve_iova(&domain->iovad, IOVA_PFN(base), - IOVA_PFN(base + size) - 1)) { - printk(KERN_ERR "IOMMU: reserve iova failed\n"); - ret = -ENOMEM; - goto error; - } - - pr_debug("Mapping reserved region %lx@%llx for %s\n", - size, base, pci_name(pdev)); - /* - * RMRR range might have overlap with physical memory range, - * clear it first - */ - dma_pte_clear_range(domain, base, base + size); - - ret = domain_page_mapping(domain, base, base, size, - DMA_PTE_READ|DMA_PTE_WRITE); + ret = iommu_domain_identity_map(domain, start, end); if (ret) goto error; /* context entry init */ ret = domain_context_mapping(domain, pdev, CONTEXT_TT_MULTI_LEVEL); - if (!ret) - return 0; -error: + if (ret) + goto error; + + return 0; + + error: domain_exit(domain); return ret; - } static inline int iommu_prepare_rmrr_dev(struct dmar_rmrr_unit *rmrr, @@ -1907,64 +1984,6 @@ static inline int iommu_prepare_rmrr_dev(struct dmar_rmrr_unit *rmrr, rmrr->end_address + 1); } -struct iommu_prepare_data { - struct pci_dev *pdev; - int ret; -}; - -static int __init iommu_prepare_work_fn(unsigned long start_pfn, - unsigned long end_pfn, void *datax) -{ - struct iommu_prepare_data *data; - - data = (struct iommu_prepare_data *)datax; - - data->ret = iommu_prepare_identity_map(data->pdev, - start_pfn<<PAGE_SHIFT, end_pfn<<PAGE_SHIFT); - return data->ret; - -} - -static int __init iommu_prepare_with_active_regions(struct pci_dev *pdev) -{ - int nid; - struct iommu_prepare_data data; - - data.pdev = pdev; - data.ret = 0; - - for_each_online_node(nid) { - work_with_active_regions(nid, iommu_prepare_work_fn, &data); - if (data.ret) - return data.ret; - } - return data.ret; -} - -#ifdef CONFIG_DMAR_GFX_WA -static void __init iommu_prepare_gfx_mapping(void) -{ - struct pci_dev *pdev = NULL; - int ret; - - for_each_pci_dev(pdev) { - if (pdev->dev.archdata.iommu == DUMMY_DEVICE_DOMAIN_INFO || - !IS_GFX_DEVICE(pdev)) - continue; - printk(KERN_INFO "IOMMU: gfx device %s 1-1 mapping\n", - pci_name(pdev)); - ret = iommu_prepare_with_active_regions(pdev); - if (ret) - printk(KERN_ERR "IOMMU: mapping reserved region failed\n"); - } -} -#else /* !CONFIG_DMAR_GFX_WA */ -static inline void iommu_prepare_gfx_mapping(void) -{ - return; -} -#endif - #ifdef CONFIG_DMAR_FLOPPY_WA static inline void iommu_prepare_isa(void) { @@ -1975,12 +1994,12 @@ static inline void iommu_prepare_isa(void) if (!pdev) return; - printk(KERN_INFO "IOMMU: Prepare 0-16M unity mapping for LPC\n"); + printk(KERN_INFO "IOMMU: Prepare 0-16MiB unity mapping for LPC\n"); ret = iommu_prepare_identity_map(pdev, 0, 16*1024*1024); if (ret) - printk(KERN_ERR "IOMMU: Failed to create 0-64M identity map, " - "floppy might not work\n"); + printk(KERN_ERR "IOMMU: Failed to create 0-16MiB identity map; " + "floppy might not work\n"); } #else @@ -2008,16 +2027,30 @@ static int __init init_context_pass_through(void) } static int md_domain_init(struct dmar_domain *domain, int guest_width); + +static int __init si_domain_work_fn(unsigned long start_pfn, + unsigned long end_pfn, void *datax) +{ + int *ret = datax; + + *ret = iommu_domain_identity_map(si_domain, + (uint64_t)start_pfn << PAGE_SHIFT, + (uint64_t)end_pfn << PAGE_SHIFT); + return *ret; + +} + static int si_domain_init(void) { struct dmar_drhd_unit *drhd; struct intel_iommu *iommu; - int ret = 0; + int nid, ret = 0; si_domain = alloc_domain(); if (!si_domain) return -EFAULT; + pr_debug("Identity mapping domain is domain %d\n", si_domain->id); for_each_active_iommu(iommu, drhd) { ret = iommu_attach_domain(si_domain, iommu); @@ -2034,6 +2067,12 @@ static int si_domain_init(void) si_domain->flags = DOMAIN_FLAG_STATIC_IDENTITY; + for_each_online_node(nid) { + work_with_active_regions(nid, si_domain_work_fn, &ret); + if (ret) + return ret; + } + return 0; } @@ -2078,6 +2117,47 @@ static int domain_add_dev_info(struct dmar_domain *domain, return 0; } +static int iommu_should_identity_map(struct pci_dev *pdev, int startup) +{ + if (iommu_identity_mapping == 2) + return IS_GFX_DEVICE(pdev); + + /* + * We want to start off with all devices in the 1:1 domain, and + * take them out later if we find they can't access all of memory. + * + * However, we can't do this for PCI devices behind bridges, + * because all PCI devices behind the same bridge will end up + * with the same source-id on their transactions. + * + * Practically speaking, we can't change things around for these + * devices at run-time, because we can't be sure there'll be no + * DMA transactions in flight for any of their siblings. + * + * So PCI devices (unless they're on the root bus) as well as + * their parent PCI-PCI or PCIe-PCI bridges must be left _out_ of + * the 1:1 domain, just in _case_ one of their siblings turns out + * not to be able to map all of memory. + */ + if (!pdev->is_pcie) { + if (!pci_is_root_bus(pdev->bus)) + return 0; + if (pdev->class >> 8 == PCI_CLASS_BRIDGE_PCI) + return 0; + } else if (pdev->pcie_type == PCI_EXP_TYPE_PCI_BRIDGE) + return 0; + + /* + * At boot time, we don't yet know if devices will be 64-bit capable. + * Assume that they will -- if they turn out not to be, then we can + * take them out of the 1:1 domain later. + */ + if (!startup) + return pdev->dma_mask > DMA_BIT_MASK(32); + + return 1; +} + static int iommu_prepare_static_identity_mapping(void) { struct pci_dev *pdev = NULL; @@ -2087,16 +2167,19 @@ static int iommu_prepare_static_identity_mapping(void) if (ret) return -EFAULT; - printk(KERN_INFO "IOMMU: Setting identity map:\n"); for_each_pci_dev(pdev) { - ret = iommu_prepare_with_active_regions(pdev); - if (ret) { - printk(KERN_INFO "1:1 mapping to one domain failed.\n"); - return -EFAULT; + if (iommu_should_identity_map(pdev, 1)) { + printk(KERN_INFO "IOMMU: identity mapping for device %s\n", + pci_name(pdev)); + + ret = domain_context_mapping(si_domain, pdev, + CONTEXT_TT_MULTI_LEVEL); + if (ret) + return ret; + ret = domain_add_dev_info(si_domain, pdev); + if (ret) + return ret; } - ret = domain_add_dev_info(si_domain, pdev); - if (ret) - return ret; } return 0; @@ -2251,6 +2334,10 @@ int __init init_dmars(void) * identity mapping if iommu_identity_mapping is set. */ if (!iommu_pass_through) { +#ifdef CONFIG_DMAR_BROKEN_GFX_WA + if (!iommu_identity_mapping) + iommu_identity_mapping = 2; +#endif if (iommu_identity_mapping) iommu_prepare_static_identity_mapping(); /* @@ -2284,8 +2371,6 @@ int __init init_dmars(void) } } - iommu_prepare_gfx_mapping(); - iommu_prepare_isa(); } @@ -2330,50 +2415,40 @@ error: return ret; } -static inline u64 aligned_size(u64 host_addr, size_t size) -{ - u64 addr; - addr = (host_addr & (~PAGE_MASK)) + size; - return PAGE_ALIGN(addr); -} - -struct iova * -iommu_alloc_iova(struct dmar_domain *domain, size_t size, u64 end) +/* Returns a number of VTD pages, but aligned to MM page size */ +static inline unsigned long aligned_nrpages(unsigned long host_addr, + size_t size) { - struct iova *piova; - - /* Make sure it's in range */ - end = min_t(u64, DOMAIN_MAX_ADDR(domain->gaw), end); - if (!size || (IOVA_START_ADDR + size > end)) - return NULL; - - piova = alloc_iova(&domain->iovad, - size >> PAGE_SHIFT, IOVA_PFN(end), 1); - return piova; + host_addr &= ~PAGE_MASK; + return PAGE_ALIGN(host_addr + size) >> VTD_PAGE_SHIFT; } -static struct iova * -__intel_alloc_iova(struct device *dev, struct dmar_domain *domain, - size_t size, u64 dma_mask) +/* This takes a number of _MM_ pages, not VTD pages */ +static struct iova *intel_alloc_iova(struct device *dev, + struct dmar_domain *domain, + unsigned long nrpages, uint64_t dma_mask) { struct pci_dev *pdev = to_pci_dev(dev); struct iova *iova = NULL; - if (dma_mask <= DMA_BIT_MASK(32) || dmar_forcedac) - iova = iommu_alloc_iova(domain, size, dma_mask); - else { + /* Restrict dma_mask to the width that the iommu can handle */ + dma_mask = min_t(uint64_t, DOMAIN_MAX_ADDR(domain->gaw), dma_mask); + + if (!dmar_forcedac && dma_mask > DMA_BIT_MASK(32)) { /* * First try to allocate an io virtual address in * DMA_BIT_MASK(32) and if that fails then try allocating * from higher range */ - iova = iommu_alloc_iova(domain, size, DMA_BIT_MASK(32)); - if (!iova) - iova = iommu_alloc_iova(domain, size, dma_mask); - } - - if (!iova) { - printk(KERN_ERR"Allocating iova for %s failed", pci_name(pdev)); + iova = alloc_iova(&domain->iovad, nrpages, + IOVA_PFN(DMA_BIT_MASK(32)), 1); + if (iova) + return iova; + } + iova = alloc_iova(&domain->iovad, nrpages, IOVA_PFN(dma_mask), 1); + if (unlikely(!iova)) { + printk(KERN_ERR "Allocating %ld-page iova for %s failed", + nrpages, pci_name(pdev)); return NULL; } @@ -2415,16 +2490,24 @@ static int iommu_dummy(struct pci_dev *pdev) } /* Check if the pdev needs to go through non-identity map and unmap process.*/ -static int iommu_no_mapping(struct pci_dev *pdev) +static int iommu_no_mapping(struct device *dev) { + struct pci_dev *pdev; int found; + if (unlikely(dev->bus != &pci_bus_type)) + return 1; + + pdev = to_pci_dev(dev); + if (iommu_dummy(pdev)) + return 1; + if (!iommu_identity_mapping) - return iommu_dummy(pdev); + return 0; found = identity_mapping(pdev); if (found) { - if (pdev->dma_mask > DMA_BIT_MASK(32)) + if (iommu_should_identity_map(pdev, 0)) return 1; else { /* @@ -2441,9 +2524,12 @@ static int iommu_no_mapping(struct pci_dev *pdev) * In case of a detached 64 bit DMA device from vm, the device * is put into si_domain for identity mapping. */ - if (pdev->dma_mask > DMA_BIT_MASK(32)) { + if (iommu_should_identity_map(pdev, 0)) { int ret; ret = domain_add_dev_info(si_domain, pdev); + if (ret) + return 0; + ret = domain_context_mapping(si_domain, pdev, CONTEXT_TT_MULTI_LEVEL); if (!ret) { printk(KERN_INFO "64bit %s uses identity mapping\n", pci_name(pdev)); @@ -2452,7 +2538,7 @@ static int iommu_no_mapping(struct pci_dev *pdev) } } - return iommu_dummy(pdev); + return 0; } static dma_addr_t __intel_map_single(struct device *hwdev, phys_addr_t paddr, @@ -2468,7 +2554,7 @@ static dma_addr_t __intel_map_single(struct device *hwdev, phys_addr_t paddr, BUG_ON(dir == DMA_NONE); - if (iommu_no_mapping(pdev)) + if (iommu_no_mapping(hwdev)) return paddr; domain = get_valid_domain_for_dev(pdev); @@ -2476,14 +2562,13 @@ static dma_addr_t __intel_map_single(struct device *hwdev, phys_addr_t paddr, return 0; iommu = domain_get_iommu(domain); - size = aligned_size((u64)paddr, size); + size = aligned_nrpages(paddr, size); - iova = __intel_alloc_iova(hwdev, domain, size, pdev->dma_mask); + iova = intel_alloc_iova(hwdev, domain, dma_to_mm_pfn(size), + pdev->dma_mask); if (!iova) goto error; - start_paddr = (phys_addr_t)iova->pfn_lo << PAGE_SHIFT; - /* * Check if DMAR supports zero-length reads on write only * mappings.. @@ -2499,20 +2584,20 @@ static dma_addr_t __intel_map_single(struct device *hwdev, phys_addr_t paddr, * might have two guest_addr mapping to the same host paddr, but this * is not a big problem */ - ret = domain_page_mapping(domain, start_paddr, - ((u64)paddr) & PHYSICAL_PAGE_MASK, - size, prot); + ret = domain_pfn_mapping(domain, mm_to_dma_pfn(iova->pfn_lo), + paddr >> VTD_PAGE_SHIFT, size, prot); if (ret) goto error; /* it's a non-present to present mapping. Only flush if caching mode */ if (cap_caching_mode(iommu->cap)) - iommu_flush_iotlb_psi(iommu, 0, start_paddr, - size >> VTD_PAGE_SHIFT); + iommu_flush_iotlb_psi(iommu, 0, mm_to_dma_pfn(iova->pfn_lo), size); else iommu_flush_write_buffer(iommu); - return start_paddr + ((u64)paddr & (~PAGE_MASK)); + start_paddr = (phys_addr_t)iova->pfn_lo << PAGE_SHIFT; + start_paddr += paddr & ~PAGE_MASK; + return start_paddr; error: if (iova) @@ -2605,11 +2690,11 @@ static void intel_unmap_page(struct device *dev, dma_addr_t dev_addr, { struct pci_dev *pdev = to_pci_dev(dev); struct dmar_domain *domain; - unsigned long start_addr; + unsigned long start_pfn, last_pfn; struct iova *iova; struct intel_iommu *iommu; - if (iommu_no_mapping(pdev)) + if (iommu_no_mapping(dev)) return; domain = find_domain(pdev); @@ -2618,22 +2703,25 @@ static void intel_unmap_page(struct device *dev, dma_addr_t dev_addr, iommu = domain_get_iommu(domain); iova = find_iova(&domain->iovad, IOVA_PFN(dev_addr)); - if (!iova) + if (WARN_ONCE(!iova, "Driver unmaps unmatched page at PFN %llx\n", + (unsigned long long)dev_addr)) return; - start_addr = iova->pfn_lo << PAGE_SHIFT; - size = aligned_size((u64)dev_addr, size); + start_pfn = mm_to_dma_pfn(iova->pfn_lo); + last_pfn = mm_to_dma_pfn(iova->pfn_hi + 1) - 1; - pr_debug("Device %s unmapping: %zx@%llx\n", - pci_name(pdev), size, (unsigned long long)start_addr); + pr_debug("Device %s unmapping: pfn %lx-%lx\n", + pci_name(pdev), start_pfn, last_pfn); /* clear the whole page */ - dma_pte_clear_range(domain, start_addr, start_addr + size); + dma_pte_clear_range(domain, start_pfn, last_pfn); + /* free page tables */ - dma_pte_free_pagetable(domain, start_addr, start_addr + size); + dma_pte_free_pagetable(domain, start_pfn, last_pfn); + if (intel_iommu_strict) { - iommu_flush_iotlb_psi(iommu, domain->id, start_addr, - size >> VTD_PAGE_SHIFT); + iommu_flush_iotlb_psi(iommu, domain->id, start_pfn, + last_pfn - start_pfn + 1); /* free iova */ __free_iova(&domain->iovad, iova); } else { @@ -2691,17 +2779,13 @@ static void intel_unmap_sg(struct device *hwdev, struct scatterlist *sglist, int nelems, enum dma_data_direction dir, struct dma_attrs *attrs) { - int i; struct pci_dev *pdev = to_pci_dev(hwdev); struct dmar_domain *domain; - unsigned long start_addr; + unsigned long start_pfn, last_pfn; struct iova *iova; - size_t size = 0; - phys_addr_t addr; - struct scatterlist *sg; struct intel_iommu *iommu; - if (iommu_no_mapping(pdev)) + if (iommu_no_mapping(hwdev)) return; domain = find_domain(pdev); @@ -2710,22 +2794,21 @@ static void intel_unmap_sg(struct device *hwdev, struct scatterlist *sglist, iommu = domain_get_iommu(domain); iova = find_iova(&domain->iovad, IOVA_PFN(sglist[0].dma_address)); - if (!iova) + if (WARN_ONCE(!iova, "Driver unmaps unmatched sglist at PFN %llx\n", + (unsigned long long)sglist[0].dma_address)) return; - for_each_sg(sglist, sg, nelems, i) { - addr = page_to_phys(sg_page(sg)) + sg->offset; - size += aligned_size((u64)addr, sg->length); - } - start_addr = iova->pfn_lo << PAGE_SHIFT; + start_pfn = mm_to_dma_pfn(iova->pfn_lo); + last_pfn = mm_to_dma_pfn(iova->pfn_hi + 1) - 1; /* clear the whole page */ - dma_pte_clear_range(domain, start_addr, start_addr + size); + dma_pte_clear_range(domain, start_pfn, last_pfn); + /* free page tables */ - dma_pte_free_pagetable(domain, start_addr, start_addr + size); + dma_pte_free_pagetable(domain, start_pfn, last_pfn); - iommu_flush_iotlb_psi(iommu, domain->id, start_addr, - size >> VTD_PAGE_SHIFT); + iommu_flush_iotlb_psi(iommu, domain->id, start_pfn, + (last_pfn - start_pfn + 1)); /* free iova */ __free_iova(&domain->iovad, iova); @@ -2748,21 +2831,20 @@ static int intel_nontranslate_map_sg(struct device *hddev, static int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int nelems, enum dma_data_direction dir, struct dma_attrs *attrs) { - phys_addr_t addr; int i; struct pci_dev *pdev = to_pci_dev(hwdev); struct dmar_domain *domain; size_t size = 0; int prot = 0; - size_t offset = 0; + size_t offset_pfn = 0; struct iova *iova = NULL; int ret; struct scatterlist *sg; - unsigned long start_addr; + unsigned long start_vpfn; struct intel_iommu *iommu; BUG_ON(dir == DMA_NONE); - if (iommu_no_mapping(pdev)) + if (iommu_no_mapping(hwdev)) return intel_nontranslate_map_sg(hwdev, sglist, nelems, dir); domain = get_valid_domain_for_dev(pdev); @@ -2771,12 +2853,11 @@ static int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int ne iommu = domain_get_iommu(domain); - for_each_sg(sglist, sg, nelems, i) { - addr = page_to_phys(sg_page(sg)) + sg->offset; - size += aligned_size((u64)addr, sg->length); - } + for_each_sg(sglist, sg, nelems, i) + size += aligned_nrpages(sg->offset, sg->length); - iova = __intel_alloc_iova(hwdev, domain, size, pdev->dma_mask); + iova = intel_alloc_iova(hwdev, domain, dma_to_mm_pfn(size), + pdev->dma_mask); if (!iova) { sglist->dma_length = 0; return 0; @@ -2792,35 +2873,24 @@ static int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int ne if (dir == DMA_FROM_DEVICE || dir == DMA_BIDIRECTIONAL) prot |= DMA_PTE_WRITE; - start_addr = iova->pfn_lo << PAGE_SHIFT; - offset = 0; - for_each_sg(sglist, sg, nelems, i) { - addr = page_to_phys(sg_page(sg)) + sg->offset; - size = aligned_size((u64)addr, sg->length); - ret = domain_page_mapping(domain, start_addr + offset, - ((u64)addr) & PHYSICAL_PAGE_MASK, - size, prot); - if (ret) { - /* clear the page */ - dma_pte_clear_range(domain, start_addr, - start_addr + offset); - /* free page tables */ - dma_pte_free_pagetable(domain, start_addr, - start_addr + offset); - /* free iova */ - __free_iova(&domain->iovad, iova); - return 0; - } - sg->dma_address = start_addr + offset + - ((u64)addr & (~PAGE_MASK)); - sg->dma_length = sg->length; - offset += size; + start_vpfn = mm_to_dma_pfn(iova->pfn_lo); + + ret = domain_sg_mapping(domain, start_vpfn, sglist, mm_to_dma_pfn(size), prot); + if (unlikely(ret)) { + /* clear the page */ + dma_pte_clear_range(domain, start_vpfn, + start_vpfn + size - 1); + /* free page tables */ + dma_pte_free_pagetable(domain, start_vpfn, + start_vpfn + size - 1); + /* free iova */ + __free_iova(&domain->iovad, iova); + return 0; } /* it's a non-present to present mapping. Only flush if caching mode */ if (cap_caching_mode(iommu->cap)) - iommu_flush_iotlb_psi(iommu, 0, start_addr, - offset >> VTD_PAGE_SHIFT); + iommu_flush_iotlb_psi(iommu, 0, start_vpfn, offset_pfn); else iommu_flush_write_buffer(iommu); @@ -3325,7 +3395,6 @@ static int md_domain_init(struct dmar_domain *domain, int guest_width) int adjust_width; init_iova_domain(&domain->iovad, DMA_32BIT_PFN); - spin_lock_init(&domain->mapping_lock); spin_lock_init(&domain->iommu_lock); domain_reserve_special_ranges(domain); @@ -3379,8 +3448,6 @@ static void iommu_free_vm_domain(struct dmar_domain *domain) static void vm_domain_exit(struct dmar_domain *domain) { - u64 end; - /* Domain 0 is reserved, so dont process it */ if (!domain) return; @@ -3388,14 +3455,12 @@ static void vm_domain_exit(struct dmar_domain *domain) vm_domain_remove_all_dev_info(domain); /* destroy iovas */ put_iova_domain(&domain->iovad); - end = DOMAIN_MAX_ADDR(domain->gaw); - end = end & (~VTD_PAGE_MASK); /* clear ptes */ - dma_pte_clear_range(domain, 0, end); + dma_pte_clear_range(domain, 0, DOMAIN_MAX_PFN(domain->gaw)); /* free page tables */ - dma_pte_free_pagetable(domain, 0, end); + dma_pte_free_pagetable(domain, 0, DOMAIN_MAX_PFN(domain->gaw)); iommu_free_vm_domain(domain); free_domain_mem(domain); @@ -3504,7 +3569,7 @@ static int intel_iommu_map_range(struct iommu_domain *domain, if ((iommu_prot & IOMMU_CACHE) && dmar_domain->iommu_snooping) prot |= DMA_PTE_SNP; - max_addr = (iova & VTD_PAGE_MASK) + VTD_PAGE_ALIGN(size); + max_addr = iova + size; if (dmar_domain->max_addr < max_addr) { int min_agaw; u64 end; @@ -3522,8 +3587,11 @@ static int intel_iommu_map_range(struct iommu_domain *domain, } dmar_domain->max_addr = max_addr; } - - ret = domain_page_mapping(dmar_domain, iova, hpa, size, prot); + /* Round up size to next multiple of PAGE_SIZE, if it and + the low bits of hpa would take us onto the next page */ + size = aligned_nrpages(hpa, size); + ret = domain_pfn_mapping(dmar_domain, iova >> VTD_PAGE_SHIFT, + hpa >> VTD_PAGE_SHIFT, size, prot); return ret; } @@ -3531,15 +3599,12 @@ static void intel_iommu_unmap_range(struct iommu_domain *domain, unsigned long iova, size_t size) { struct dmar_domain *dmar_domain = domain->priv; - dma_addr_t base; - /* The address might not be aligned */ - base = iova & VTD_PAGE_MASK; - size = VTD_PAGE_ALIGN(size); - dma_pte_clear_range(dmar_domain, base, base + size); + dma_pte_clear_range(dmar_domain, iova >> VTD_PAGE_SHIFT, + (iova + size - 1) >> VTD_PAGE_SHIFT); - if (dmar_domain->max_addr == base + size) - dmar_domain->max_addr = base; + if (dmar_domain->max_addr == iova + size) + dmar_domain->max_addr = iova; } static phys_addr_t intel_iommu_iova_to_phys(struct iommu_domain *domain, @@ -3549,7 +3614,7 @@ static phys_addr_t intel_iommu_iova_to_phys(struct iommu_domain *domain, struct dma_pte *pte; u64 phys = 0; - pte = addr_to_dma_pte(dmar_domain, iova); + pte = pfn_to_dma_pte(dmar_domain, iova >> VTD_PAGE_SHIFT); if (pte) phys = dma_pte_addr(pte); diff --git a/drivers/pci/iova.c b/drivers/pci/iova.c index 2287116..46dd440 100644 --- a/drivers/pci/iova.c +++ b/drivers/pci/iova.c @@ -1,9 +1,19 @@ /* - * Copyright (c) 2006, Intel Corporation. + * Copyright © 2006-2009, Intel Corporation. * - * This file is released under the GPLv2. + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. * - * Copyright (C) 2006-2008 Intel Corporation * Author: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> */ @@ -123,7 +133,15 @@ move_left: /* Insert the new_iova into domain rbtree by holding writer lock */ /* Add new node and rebalance tree. */ { - struct rb_node **entry = &((prev)), *parent = NULL; + struct rb_node **entry, *parent = NULL; + + /* If we have 'prev', it's a valid place to start the + insertion. Otherwise, start from the root. */ + if (prev) + entry = &prev; + else + entry = &iovad->rbroot.rb_node; + /* Figure out where to put new node */ while (*entry) { struct iova *this = container_of(*entry, diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index d9f06fb..d986afb 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -127,17 +127,23 @@ static inline __attribute_const__ u32 msi_enabled_mask(u16 control) * reliably as devices without an INTx disable bit will then generate a * level IRQ which will never be cleared. */ -static void msi_mask_irq(struct msi_desc *desc, u32 mask, u32 flag) +static u32 __msi_mask_irq(struct msi_desc *desc, u32 mask, u32 flag) { u32 mask_bits = desc->masked; if (!desc->msi_attrib.maskbit) - return; + return 0; mask_bits &= ~mask; mask_bits |= flag; pci_write_config_dword(desc->dev, desc->mask_pos, mask_bits); - desc->masked = mask_bits; + + return mask_bits; +} + +static void msi_mask_irq(struct msi_desc *desc, u32 mask, u32 flag) +{ + desc->masked = __msi_mask_irq(desc, mask, flag); } /* @@ -147,15 +153,21 @@ static void msi_mask_irq(struct msi_desc *desc, u32 mask, u32 flag) * file. This saves a few milliseconds when initialising devices with lots * of MSI-X interrupts. */ -static void msix_mask_irq(struct msi_desc *desc, u32 flag) +static u32 __msix_mask_irq(struct msi_desc *desc, u32 flag) { u32 mask_bits = desc->masked; unsigned offset = desc->msi_attrib.entry_nr * PCI_MSIX_ENTRY_SIZE + - PCI_MSIX_ENTRY_VECTOR_CTRL_OFFSET; + PCI_MSIX_ENTRY_VECTOR_CTRL; mask_bits &= ~1; mask_bits |= flag; writel(mask_bits, desc->mask_base + offset); - desc->masked = mask_bits; + + return mask_bits; +} + +static void msix_mask_irq(struct msi_desc *desc, u32 flag) +{ + desc->masked = __msix_mask_irq(desc, flag); } static void msi_set_mask_bit(unsigned irq, u32 flag) @@ -188,9 +200,9 @@ void read_msi_msg_desc(struct irq_desc *desc, struct msi_msg *msg) void __iomem *base = entry->mask_base + entry->msi_attrib.entry_nr * PCI_MSIX_ENTRY_SIZE; - msg->address_lo = readl(base + PCI_MSIX_ENTRY_LOWER_ADDR_OFFSET); - msg->address_hi = readl(base + PCI_MSIX_ENTRY_UPPER_ADDR_OFFSET); - msg->data = readl(base + PCI_MSIX_ENTRY_DATA_OFFSET); + msg->address_lo = readl(base + PCI_MSIX_ENTRY_LOWER_ADDR); + msg->address_hi = readl(base + PCI_MSIX_ENTRY_UPPER_ADDR); + msg->data = readl(base + PCI_MSIX_ENTRY_DATA); } else { struct pci_dev *dev = entry->dev; int pos = entry->msi_attrib.pos; @@ -225,11 +237,9 @@ void write_msi_msg_desc(struct irq_desc *desc, struct msi_msg *msg) base = entry->mask_base + entry->msi_attrib.entry_nr * PCI_MSIX_ENTRY_SIZE; - writel(msg->address_lo, - base + PCI_MSIX_ENTRY_LOWER_ADDR_OFFSET); - writel(msg->address_hi, - base + PCI_MSIX_ENTRY_UPPER_ADDR_OFFSET); - writel(msg->data, base + PCI_MSIX_ENTRY_DATA_OFFSET); + writel(msg->address_lo, base + PCI_MSIX_ENTRY_LOWER_ADDR); + writel(msg->address_hi, base + PCI_MSIX_ENTRY_UPPER_ADDR); + writel(msg->data, base + PCI_MSIX_ENTRY_DATA); } else { struct pci_dev *dev = entry->dev; int pos = entry->msi_attrib.pos; @@ -385,6 +395,7 @@ static int msi_capability_init(struct pci_dev *dev, int nvec) /* Configure MSI capability structure */ ret = arch_setup_msi_irqs(dev, nvec, PCI_CAP_ID_MSI); if (ret) { + msi_mask_irq(entry, mask, ~mask); msi_free_irqs(dev); return ret; } @@ -439,8 +450,14 @@ static int msix_capability_init(struct pci_dev *dev, for (i = 0; i < nvec; i++) { entry = alloc_msi_entry(dev); - if (!entry) - break; + if (!entry) { + if (!i) + iounmap(base); + else + msi_free_irqs(dev); + /* No enough memory. Don't try again */ + return -ENOMEM; + } j = entries[i].entry; entry->msi_attrib.is_msix = 1; @@ -487,7 +504,7 @@ static int msix_capability_init(struct pci_dev *dev, set_irq_msi(entry->irq, entry); j = entries[i].entry; entry->masked = readl(base + j * PCI_MSIX_ENTRY_SIZE + - PCI_MSIX_ENTRY_VECTOR_CTRL_OFFSET); + PCI_MSIX_ENTRY_VECTOR_CTRL); msix_mask_irq(entry, 1); i++; } @@ -611,9 +628,11 @@ void pci_msi_shutdown(struct pci_dev *dev) pci_intx_for_msi(dev, 1); dev->msi_enabled = 0; + /* Return the device with MSI unmasked as initial states */ pci_read_config_word(dev, pos + PCI_MSI_FLAGS, &ctrl); mask = msi_capable_mask(ctrl); - msi_mask_irq(desc, mask, ~mask); + /* Keep cached state to be restored */ + __msi_mask_irq(desc, mask, ~mask); /* Restore dev->irq to its default pin-assertion irq */ dev->irq = desc->msi_attrib.default_irq; @@ -653,7 +672,6 @@ static int msi_free_irqs(struct pci_dev* dev) list_for_each_entry_safe(entry, tmp, &dev->msi_list, list) { if (entry->msi_attrib.is_msix) { - msix_mask_irq(entry, 1); if (list_is_last(&entry->list, &dev->msi_list)) iounmap(entry->mask_base); } @@ -741,9 +759,17 @@ static void msix_free_all_irqs(struct pci_dev *dev) void pci_msix_shutdown(struct pci_dev* dev) { + struct msi_desc *entry; + if (!pci_msi_enable || !dev || !dev->msix_enabled) return; + /* Return the device with MSI-X masked as initial states */ + list_for_each_entry(entry, &dev->msi_list, list) { + /* Keep cached states to be restored */ + __msix_mask_irq(entry, 1); + } + msix_set_enable(dev, 0); pci_intx_for_msi(dev, 1); dev->msix_enabled = 0; diff --git a/drivers/pci/msi.h b/drivers/pci/msi.h index a066284..de27c1c 100644 --- a/drivers/pci/msi.h +++ b/drivers/pci/msi.h @@ -6,11 +6,11 @@ #ifndef MSI_H #define MSI_H -#define PCI_MSIX_ENTRY_SIZE 16 -#define PCI_MSIX_ENTRY_LOWER_ADDR_OFFSET 0 -#define PCI_MSIX_ENTRY_UPPER_ADDR_OFFSET 4 -#define PCI_MSIX_ENTRY_DATA_OFFSET 8 -#define PCI_MSIX_ENTRY_VECTOR_CTRL_OFFSET 12 +#define PCI_MSIX_ENTRY_SIZE 16 +#define PCI_MSIX_ENTRY_LOWER_ADDR 0 +#define PCI_MSIX_ENTRY_UPPER_ADDR 4 +#define PCI_MSIX_ENTRY_DATA 8 +#define PCI_MSIX_ENTRY_VECTOR_CTRL 12 #define msi_control_reg(base) (base + PCI_MSI_FLAGS) #define msi_lower_address_reg(base) (base + PCI_MSI_ADDRESS_LO) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 6c93af5..dbd0f94 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1517,11 +1517,20 @@ void pci_enable_ari(struct pci_dev *dev) * * Perform INTx swizzling for a device behind one level of bridge. This is * required by section 9.1 of the PCI-to-PCI bridge specification for devices - * behind bridges on add-in cards. + * behind bridges on add-in cards. For devices with ARI enabled, the slot + * number is always 0 (see the Implementation Note in section 2.2.8.1 of + * the PCI Express Base Specification, Revision 2.1) */ u8 pci_swizzle_interrupt_pin(struct pci_dev *dev, u8 pin) { - return (((pin - 1) + PCI_SLOT(dev->devfn)) % 4) + 1; + int slot; + + if (pci_ari_enabled(dev->bus)) + slot = 0; + else + slot = PCI_SLOT(dev->devfn); + + return (((pin - 1) + slot) % 4) + 1; } int @@ -2171,7 +2180,7 @@ static int pci_parent_bus_reset(struct pci_dev *dev, int probe) u16 ctrl; struct pci_dev *pdev; - if (dev->subordinate) + if (pci_is_root_bus(dev->bus) || dev->subordinate || !dev->bus->self) return -ENOTTY; list_for_each_entry(pdev, &dev->bus->devices, bus_list) diff --git a/drivers/pci/pcie/aer/ecrc.c b/drivers/pci/pcie/aer/ecrc.c index ece97df..a928d8a 100644 --- a/drivers/pci/pcie/aer/ecrc.c +++ b/drivers/pci/pcie/aer/ecrc.c @@ -106,7 +106,7 @@ void pcie_set_ecrc_checking(struct pci_dev *dev) disable_ecrc_checking(dev); break; case ECRC_POLICY_ON: - enable_ecrc_checking(dev);; + enable_ecrc_checking(dev); break; default: return; diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 56552d7..06b9656 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -1058,6 +1058,11 @@ static void __devinit quirk_no_ata_d3(struct pci_dev *pdev) } DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, PCI_ANY_ID, quirk_no_ata_d3); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATI, PCI_ANY_ID, quirk_no_ata_d3); +/* ALi loses some register settings that we cannot then restore */ +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AL, PCI_ANY_ID, quirk_no_ata_d3); +/* VIA comes back fine but we need to keep it alive or ACPI GTM failures + occur when mode detecting */ +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_VIA, PCI_ANY_ID, quirk_no_ata_d3); /* This was originally an Alpha specific thing, but it really fits here. * The i82375 PCI/EISA bridge appears as non-classified. Fix that. diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c index eddb074..8c02b6c 100644 --- a/drivers/pci/slot.c +++ b/drivers/pci/slot.c @@ -311,7 +311,7 @@ EXPORT_SYMBOL_GPL(pci_destroy_slot); #include <linux/pci_hotplug.h> /** * pci_hp_create_link - create symbolic link to the hotplug driver module. - * @slot: struct pci_slot + * @pci_slot: struct pci_slot * * Helper function for pci_hotplug_core.c to create symbolic link to * the hotplug driver module. @@ -334,7 +334,7 @@ EXPORT_SYMBOL_GPL(pci_hp_create_module_link); /** * pci_hp_remove_link - remove symbolic link to the hotplug driver module. - * @slot: struct pci_slot + * @pci_slot: struct pci_slot * * Helper function for pci_hotplug_core.c to remove symbolic link to * the hotplug driver module. diff --git a/drivers/pcmcia/vrc4171_card.c b/drivers/pcmcia/vrc4171_card.c index 659421d..d4ad50d 100644 --- a/drivers/pcmcia/vrc4171_card.c +++ b/drivers/pcmcia/vrc4171_card.c @@ -1,7 +1,7 @@ /* * vrc4171_card.c, NEC VRC4171 Card Controller driver for Socket Services. * - * Copyright (C) 2003-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2003-2005 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -32,7 +32,7 @@ #include "i82365.h" MODULE_DESCRIPTION("NEC VRC4171 Card Controllers driver for Socket Services"); -MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>"); +MODULE_AUTHOR("Yoichi Yuasa <yuasa@linux-mips.org>"); MODULE_LICENSE("GPL"); #define CARD_MAX_SLOTS 2 diff --git a/drivers/pcmcia/vrc4173_cardu.c b/drivers/pcmcia/vrc4173_cardu.c index 812f038..9b3c158 100644 --- a/drivers/pcmcia/vrc4173_cardu.c +++ b/drivers/pcmcia/vrc4173_cardu.c @@ -6,7 +6,7 @@ * NEC VRC4173 CARDU driver for Socket Services * (This device doesn't support CardBus. it is supporting only 16bit PC Card.) * - * Copyright 2002,2003 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright 2002,2003 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -41,7 +41,7 @@ #include "vrc4173_cardu.h" MODULE_DESCRIPTION("NEC VRC4173 CARDU driver for Socket Services"); -MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>"); +MODULE_AUTHOR("Yoichi Yuasa <yuasa@linux-mips.org>"); MODULE_LICENSE("GPL"); static int vrc4173_cardu_slots; diff --git a/drivers/pcmcia/vrc4173_cardu.h b/drivers/pcmcia/vrc4173_cardu.h index 7d77c74..a7d9601 100644 --- a/drivers/pcmcia/vrc4173_cardu.h +++ b/drivers/pcmcia/vrc4173_cardu.h @@ -5,7 +5,7 @@ * BRIEF MODULE DESCRIPTION * Include file for NEC VRC4173 CARDU. * - * Copyright 2002 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright 2002 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/drivers/rtc/rtc-bfin.c b/drivers/rtc/rtc-bfin.c index aafd3e6..a118eb0 100644 --- a/drivers/rtc/rtc-bfin.c +++ b/drivers/rtc/rtc-bfin.c @@ -1,8 +1,8 @@ /* * Blackfin On-Chip Real Time Clock Driver - * Supports BF52[257]/BF53[123]/BF53[467]/BF54[24789] + * Supports BF51x/BF52x/BF53[123]/BF53[467]/BF54x * - * Copyright 2004-2008 Analog Devices Inc. + * Copyright 2004-2009 Analog Devices Inc. * * Enter bugs at http://blackfin.uclinux.org/ * @@ -363,7 +363,7 @@ static int __devinit bfin_rtc_probe(struct platform_device *pdev) struct bfin_rtc *rtc; struct device *dev = &pdev->dev; int ret = 0; - unsigned long timeout; + unsigned long timeout = jiffies + HZ; dev_dbg_stamp(dev); @@ -374,32 +374,32 @@ static int __devinit bfin_rtc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, rtc); device_init_wakeup(dev, 1); + /* Register our RTC with the RTC framework */ + rtc->rtc_dev = rtc_device_register(pdev->name, dev, &bfin_rtc_ops, + THIS_MODULE); + if (unlikely(IS_ERR(rtc->rtc_dev))) { + ret = PTR_ERR(rtc->rtc_dev); + goto err; + } + /* Grab the IRQ and init the hardware */ ret = request_irq(IRQ_RTC, bfin_rtc_interrupt, IRQF_SHARED, pdev->name, dev); if (unlikely(ret)) - goto err; + goto err_reg; /* sometimes the bootloader touched things, but the write complete was not * enabled, so let's just do a quick timeout here since the IRQ will not fire ... */ - timeout = jiffies + HZ; while (bfin_read_RTC_ISTAT() & RTC_ISTAT_WRITE_PENDING) if (time_after(jiffies, timeout)) break; bfin_rtc_reset(dev, RTC_ISTAT_WRITE_COMPLETE); bfin_write_RTC_SWCNT(0); - /* Register our RTC with the RTC framework */ - rtc->rtc_dev = rtc_device_register(pdev->name, dev, &bfin_rtc_ops, THIS_MODULE); - if (unlikely(IS_ERR(rtc->rtc_dev))) { - ret = PTR_ERR(rtc->rtc_dev); - goto err_irq; - } - return 0; - err_irq: - free_irq(IRQ_RTC, dev); - err: +err_reg: + rtc_device_unregister(rtc->rtc_dev); +err: kfree(rtc); return ret; } diff --git a/drivers/rtc/rtc-ds1374.c b/drivers/rtc/rtc-ds1374.c index 32b2773..713f7bf 100644 --- a/drivers/rtc/rtc-ds1374.c +++ b/drivers/rtc/rtc-ds1374.c @@ -283,7 +283,7 @@ static void ds1374_work(struct work_struct *work) stat = i2c_smbus_read_byte_data(client, DS1374_REG_SR); if (stat < 0) - return; + goto unlock; if (stat & DS1374_REG_SR_AF) { stat &= ~DS1374_REG_SR_AF; @@ -302,7 +302,7 @@ static void ds1374_work(struct work_struct *work) out: if (!ds1374->exiting) enable_irq(client->irq); - +unlock: mutex_unlock(&ds1374->mutex); } diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c index f11297a..2c839d0 100644 --- a/drivers/rtc/rtc-vr41xx.c +++ b/drivers/rtc/rtc-vr41xx.c @@ -1,7 +1,7 @@ /* * Driver for NEC VR4100 series Real Time Clock unit. * - * Copyright (C) 2003-2008 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2003-2008 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -33,7 +33,7 @@ #include <asm/io.h> #include <asm/uaccess.h> -MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>"); +MODULE_AUTHOR("Yoichi Yuasa <yuasa@linux-mips.org>"); MODULE_DESCRIPTION("NEC VR4100 series RTC driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/scsi/cxgb3i/Kbuild b/drivers/scsi/cxgb3i/Kbuild index 25a2032..70d060b 100644 --- a/drivers/scsi/cxgb3i/Kbuild +++ b/drivers/scsi/cxgb3i/Kbuild @@ -1,4 +1,4 @@ -EXTRA_CFLAGS += -I$(TOPDIR)/drivers/net/cxgb3 +EXTRA_CFLAGS += -I$(srctree)/drivers/net/cxgb3 cxgb3i-y := cxgb3i_init.o cxgb3i_iscsi.o cxgb3i_pdu.o cxgb3i_offload.o cxgb3i_ddp.o obj-$(CONFIG_SCSI_CXGB3_ISCSI) += cxgb3i.o diff --git a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c index 74369a3..c399f48 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c +++ b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c @@ -13,6 +13,7 @@ #include <linux/inet.h> #include <linux/crypto.h> +#include <linux/if_vlan.h> #include <net/dst.h> #include <net/tcp.h> #include <scsi/scsi_cmnd.h> @@ -184,6 +185,9 @@ static struct cxgb3i_hba *cxgb3i_hba_find_by_netdev(struct net_device *ndev) struct cxgb3i_adapter *snic; int i; + if (ndev->priv_flags & IFF_802_1Q_VLAN) + ndev = vlan_dev_real_dev(ndev); + read_lock(&cxgb3i_snic_rwlock); list_for_each_entry(snic, &cxgb3i_snic_list, list_head) { for (i = 0; i < snic->hba_cnt; i++) { diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c index a840728..2c266c0 100644 --- a/drivers/scsi/fnic/fnic_main.c +++ b/drivers/scsi/fnic/fnic_main.c @@ -473,16 +473,16 @@ static int __devinit fnic_probe(struct pci_dev *pdev, * limitation for the device. Try 40-bit first, and * fail to 32-bit. */ - err = pci_set_dma_mask(pdev, DMA_40BIT_MASK); + err = pci_set_dma_mask(pdev, DMA_BIT_MASK(40)); if (err) { - err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); if (err) { shost_printk(KERN_ERR, fnic->lport->host, "No usable DMA configuration " "aborting\n"); goto err_out_release_regions; } - err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); + err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); if (err) { shost_printk(KERN_ERR, fnic->lport->host, "Unable to obtain 32-bit DMA " @@ -490,7 +490,7 @@ static int __devinit fnic_probe(struct pci_dev *pdev, goto err_out_release_regions; } } else { - err = pci_set_consistent_dma_mask(pdev, DMA_40BIT_MASK); + err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(40)); if (err) { shost_printk(KERN_ERR, fnic->lport->host, "Unable to obtain 40-bit DMA " diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c index eabf365..bfc9969 100644 --- a/drivers/scsi/fnic/fnic_scsi.c +++ b/drivers/scsi/fnic/fnic_scsi.c @@ -245,7 +245,7 @@ static inline int fnic_queue_wq_copy_desc(struct fnic *fnic, struct vnic_wq_copy *wq, struct fnic_io_req *io_req, struct scsi_cmnd *sc, - u32 sg_count) + int sg_count) { struct scatterlist *sg; struct fc_rport *rport = starget_to_rport(scsi_target(sc->device)); @@ -260,9 +260,6 @@ static inline int fnic_queue_wq_copy_desc(struct fnic *fnic, char msg[2]; if (sg_count) { - BUG_ON(sg_count < 0); - BUG_ON(sg_count > FNIC_MAX_SG_DESC_CNT); - /* For each SGE, create a device desc entry */ desc = io_req->sgl_list; for_each_sg(scsi_sglist(sc), sg, sg_count, i) { @@ -344,7 +341,7 @@ int fnic_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) struct fnic *fnic; struct vnic_wq_copy *wq; int ret; - u32 sg_count; + int sg_count; unsigned long flags; unsigned long ptr; diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index 869a11b..9928704 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -1095,9 +1095,14 @@ static void adapter_info_rsp(struct srp_event_struct *evt_struct) MAX_INDIRECT_BUFS); hostdata->host->sg_tablesize = MAX_INDIRECT_BUFS; } + + if (hostdata->madapter_info.os_type == 3) { + enable_fast_fail(hostdata); + return; + } } - enable_fast_fail(hostdata); + send_srp_login(hostdata); } /** diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index 2eee9e6..292c02f 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -3670,13 +3670,14 @@ static void fc_bsg_goose_queue(struct fc_rport *rport) { int flagset; + unsigned long flags; if (!rport->rqst_q) return; get_device(&rport->dev); - spin_lock(rport->rqst_q->queue_lock); + spin_lock_irqsave(rport->rqst_q->queue_lock, flags); flagset = test_bit(QUEUE_FLAG_REENTER, &rport->rqst_q->queue_flags) && !test_bit(QUEUE_FLAG_REENTER, &rport->rqst_q->queue_flags); if (flagset) @@ -3684,7 +3685,7 @@ fc_bsg_goose_queue(struct fc_rport *rport) __blk_run_queue(rport->rqst_q); if (flagset) queue_flag_clear(QUEUE_FLAG_REENTER, rport->rqst_q); - spin_unlock(rport->rqst_q->queue_lock); + spin_unlock_irqrestore(rport->rqst_q->queue_lock, flags); put_device(&rport->dev); } diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 8201387..ef142fd 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -210,13 +210,11 @@ static void sg_put_dev(Sg_device *sdp); static int sg_allow_access(struct file *filp, unsigned char *cmd) { struct sg_fd *sfp = (struct sg_fd *)filp->private_data; - struct request_queue *q = sfp->parentdp->device->request_queue; if (sfp->parentdp->device->type == TYPE_SCANNER) return 0; - return blk_verify_command(&q->cmd_filter, - cmd, filp->f_mode & FMODE_WRITE); + return blk_verify_command(cmd, filp->f_mode & FMODE_WRITE); } static int diff --git a/drivers/scsi/zalon.c b/drivers/scsi/zalon.c index 97f3158..27e84e4 100644 --- a/drivers/scsi/zalon.c +++ b/drivers/scsi/zalon.c @@ -134,7 +134,7 @@ zalon_probe(struct parisc_device *dev) host = ncr_attach(&zalon7xx_template, unit, &device); if (!host) - goto fail; + return -ENODEV; if (request_irq(dev->irq, ncr53c8xx_intr, IRQF_SHARED, "zalon", host)) { dev_printk(KERN_ERR, &dev->dev, "irq problem with %d, detaching\n ", diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c index a07015d..6160e03 100644 --- a/drivers/serial/8250_pci.c +++ b/drivers/serial/8250_pci.c @@ -759,6 +759,8 @@ static int pci_netmos_init(struct pci_dev *dev) /* subdevice 0x00PS means <P> parallel, <S> serial */ unsigned int num_serial = dev->subsystem_device & 0xf; + if (dev->device == PCI_DEVICE_ID_NETMOS_9901) + return 0; if (dev->subsystem_vendor == PCI_VENDOR_ID_IBM && dev->subsystem_device == 0x0299) return 0; @@ -3557,6 +3559,10 @@ static struct pci_device_id serial_pci_tbl[] = { PCI_VENDOR_ID_IBM, 0x0299, 0, 0, pbn_b0_bt_2_115200 }, + { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9901, + 0xA000, 0x1000, + 0, 0, pbn_b0_1_115200 }, + /* * These entries match devices with class COMMUNICATION_SERIAL, * COMMUNICATION_MODEM or COMMUNICATION_MULTISERIAL diff --git a/drivers/serial/vr41xx_siu.c b/drivers/serial/vr41xx_siu.c index 0573f3b..dac550e 100644 --- a/drivers/serial/vr41xx_siu.c +++ b/drivers/serial/vr41xx_siu.c @@ -1,7 +1,7 @@ /* * Driver for NEC VR4100 series Serial Interface Unit. * - * Copyright (C) 2004-2008 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2004-2008 Yoichi Yuasa <yuasa@linux-mips.org> * * Based on drivers/serial/8250.c, by Russell King. * diff --git a/drivers/spi/omap_uwire.c b/drivers/spi/omap_uwire.c index aa90ddb..8980a56 100644 --- a/drivers/spi/omap_uwire.c +++ b/drivers/spi/omap_uwire.c @@ -514,6 +514,8 @@ static int __init uwire_probe(struct platform_device *pdev) /* the spi->mode bits understood by this driver: */ master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH; + master->flags = SPI_MASTER_HALF_DUPLEX; + master->bus_num = 2; /* "official" */ master->num_chipselect = 4; master->setup = uwire_setup; diff --git a/drivers/spi/spi_bitbang.c b/drivers/spi/spi_bitbang.c index 2a5abc0..f1db395 100644 --- a/drivers/spi/spi_bitbang.c +++ b/drivers/spi/spi_bitbang.c @@ -258,6 +258,11 @@ static void bitbang_work(struct work_struct *work) struct spi_bitbang *bitbang = container_of(work, struct spi_bitbang, work); unsigned long flags; + int do_setup = -1; + int (*setup_transfer)(struct spi_device *, + struct spi_transfer *); + + setup_transfer = bitbang->setup_transfer; spin_lock_irqsave(&bitbang->lock, flags); bitbang->busy = 1; @@ -269,8 +274,6 @@ static void bitbang_work(struct work_struct *work) unsigned tmp; unsigned cs_change; int status; - int (*setup_transfer)(struct spi_device *, - struct spi_transfer *); m = container_of(bitbang->queue.next, struct spi_message, queue); @@ -287,19 +290,19 @@ static void bitbang_work(struct work_struct *work) tmp = 0; cs_change = 1; status = 0; - setup_transfer = NULL; list_for_each_entry (t, &m->transfers, transfer_list) { - /* override or restore speed and wordsize */ - if (t->speed_hz || t->bits_per_word) { - setup_transfer = bitbang->setup_transfer; + /* override speed or wordsize? */ + if (t->speed_hz || t->bits_per_word) + do_setup = 1; + + /* init (-1) or override (1) transfer params */ + if (do_setup != 0) { if (!setup_transfer) { status = -ENOPROTOOPT; break; } - } - if (setup_transfer) { status = setup_transfer(spi, t); if (status < 0) break; @@ -363,9 +366,10 @@ static void bitbang_work(struct work_struct *work) m->status = status; m->complete(m->context); - /* restore speed and wordsize */ - if (setup_transfer) + /* restore speed and wordsize if it was overridden */ + if (do_setup == 1) setup_transfer(spi, NULL); + do_setup = 0; /* normally deactivate chipselect ... unless no error and * cs_change has hinted that the next message will probably diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index 5d869c4..606e7a4 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -58,15 +58,20 @@ static unsigned long minors[N_SPI_MINORS / BITS_PER_LONG]; /* Bit masks for spi_device.mode management. Note that incorrect - * settings for CS_HIGH and 3WIRE can cause *lots* of trouble for other - * devices on a shared bus: CS_HIGH, because this device will be - * active when it shouldn't be; 3WIRE, because when active it won't - * behave as it should. + * settings for some settings can cause *lots* of trouble for other + * devices on a shared bus: * - * REVISIT should changing those two modes be privileged? + * - CS_HIGH ... this device will be active when it shouldn't be + * - 3WIRE ... when active, it won't behave as it should + * - NO_CS ... there will be no explicit message boundaries; this + * is completely incompatible with the shared bus model + * - READY ... transfers may proceed when they shouldn't. + * + * REVISIT should changing those flags be privileged? */ #define SPI_MODE_MASK (SPI_CPHA | SPI_CPOL | SPI_CS_HIGH \ - | SPI_LSB_FIRST | SPI_3WIRE | SPI_LOOP) + | SPI_LSB_FIRST | SPI_3WIRE | SPI_LOOP \ + | SPI_NO_CS | SPI_READY) struct spidev_data { dev_t devt; diff --git a/drivers/ssb/driver_mipscore.c b/drivers/ssb/driver_mipscore.c index 3fd3e3b..3c6feed 100644 --- a/drivers/ssb/driver_mipscore.c +++ b/drivers/ssb/driver_mipscore.c @@ -49,29 +49,54 @@ static const u32 ipsflag_irq_shift[] = { static inline u32 ssb_irqflag(struct ssb_device *dev) { - return ssb_read32(dev, SSB_TPSFLAG) & SSB_TPSFLAG_BPFLAG; + u32 tpsflag = ssb_read32(dev, SSB_TPSFLAG); + if (tpsflag) + return ssb_read32(dev, SSB_TPSFLAG) & SSB_TPSFLAG_BPFLAG; + else + /* not irq supported */ + return 0x3f; +} + +static struct ssb_device *find_device(struct ssb_device *rdev, int irqflag) +{ + struct ssb_bus *bus = rdev->bus; + int i; + for (i = 0; i < bus->nr_devices; i++) { + struct ssb_device *dev; + dev = &(bus->devices[i]); + if (ssb_irqflag(dev) == irqflag) + return dev; + } + return NULL; } /* Get the MIPS IRQ assignment for a specified device. * If unassigned, 0 is returned. + * If disabled, 5 is returned. + * If not supported, 6 is returned. */ unsigned int ssb_mips_irq(struct ssb_device *dev) { struct ssb_bus *bus = dev->bus; + struct ssb_device *mdev = bus->mipscore.dev; u32 irqflag; u32 ipsflag; u32 tmp; unsigned int irq; irqflag = ssb_irqflag(dev); + if (irqflag == 0x3f) + return 6; ipsflag = ssb_read32(bus->mipscore.dev, SSB_IPSFLAG); for (irq = 1; irq <= 4; irq++) { tmp = ((ipsflag & ipsflag_irq_mask[irq]) >> ipsflag_irq_shift[irq]); if (tmp == irqflag) break; } - if (irq == 5) - irq = 0; + if (irq == 5) { + if ((1 << irqflag) & ssb_read32(mdev, SSB_INTVEC)) + irq = 0; + } return irq; } @@ -97,25 +122,56 @@ static void set_irq(struct ssb_device *dev, unsigned int irq) struct ssb_device *mdev = bus->mipscore.dev; u32 irqflag = ssb_irqflag(dev); + BUG_ON(oldirq == 6); + dev->irq = irq + 2; - ssb_dprintk(KERN_INFO PFX - "set_irq: core 0x%04x, irq %d => %d\n", - dev->id.coreid, oldirq, irq); /* clear the old irq */ if (oldirq == 0) ssb_write32(mdev, SSB_INTVEC, (~(1 << irqflag) & ssb_read32(mdev, SSB_INTVEC))); - else + else if (oldirq != 5) clear_irq(bus, oldirq); /* assign the new one */ if (irq == 0) { ssb_write32(mdev, SSB_INTVEC, ((1 << irqflag) | ssb_read32(mdev, SSB_INTVEC))); } else { + u32 ipsflag = ssb_read32(mdev, SSB_IPSFLAG); + if ((ipsflag & ipsflag_irq_mask[irq]) != ipsflag_irq_mask[irq]) { + u32 oldipsflag = (ipsflag & ipsflag_irq_mask[irq]) >> ipsflag_irq_shift[irq]; + struct ssb_device *olddev = find_device(dev, oldipsflag); + if (olddev) + set_irq(olddev, 0); + } irqflag <<= ipsflag_irq_shift[irq]; - irqflag |= (ssb_read32(mdev, SSB_IPSFLAG) & ~ipsflag_irq_mask[irq]); + irqflag |= (ipsflag & ~ipsflag_irq_mask[irq]); ssb_write32(mdev, SSB_IPSFLAG, irqflag); } + ssb_dprintk(KERN_INFO PFX + "set_irq: core 0x%04x, irq %d => %d\n", + dev->id.coreid, oldirq+2, irq+2); +} + +static void print_irq(struct ssb_device *dev, unsigned int irq) +{ + int i; + static const char *irq_name[] = {"2(S)", "3", "4", "5", "6", "D", "I"}; + ssb_dprintk(KERN_INFO PFX + "core 0x%04x, irq :", dev->id.coreid); + for (i = 0; i <= 6; i++) { + ssb_dprintk(" %s%s", irq_name[i], i==irq?"*":" "); + } + ssb_dprintk("\n"); +} + +static void dump_irq(struct ssb_bus *bus) +{ + int i; + for (i = 0; i < bus->nr_devices; i++) { + struct ssb_device *dev; + dev = &(bus->devices[i]); + print_irq(dev, ssb_mips_irq(dev)); + } } static void ssb_mips_serial_init(struct ssb_mipscore *mcore) @@ -197,16 +253,23 @@ void ssb_mipscore_init(struct ssb_mipscore *mcore) /* Assign IRQs to all cores on the bus, start with irq line 2, because serial usually takes 1 */ for (irq = 2, i = 0; i < bus->nr_devices; i++) { + int mips_irq; dev = &(bus->devices[i]); - dev->irq = ssb_mips_irq(dev) + 2; + mips_irq = ssb_mips_irq(dev); + if (mips_irq > 4) + dev->irq = 0; + else + dev->irq = mips_irq + 2; + if (dev->irq > 5) + continue; switch (dev->id.coreid) { case SSB_DEV_USB11_HOST: /* shouldn't need a separate irq line for non-4710, most of them have a proper * external usb controller on the pci */ if ((bus->chip_id == 0x4710) && (irq <= 4)) { set_irq(dev, irq++); - break; } + break; /* fallthrough */ case SSB_DEV_PCI: case SSB_DEV_ETHERNET: @@ -220,6 +283,8 @@ void ssb_mipscore_init(struct ssb_mipscore *mcore) } } } + ssb_dprintk(KERN_INFO PFX "after irq reconfiguration\n"); + dump_irq(bus); ssb_mips_serial_init(mcore); ssb_mips_flash_detect(mcore); diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c index f8d9045..0f7a30b 100644 --- a/drivers/usb/mon/mon_bin.c +++ b/drivers/usb/mon/mon_bin.c @@ -1261,7 +1261,7 @@ static int mon_alloc_buff(struct mon_pgmap *map, int npages) return -ENOMEM; } map[n].ptr = (unsigned char *) vaddr; - map[n].pg = virt_to_page(vaddr); + map[n].pg = virt_to_page((void *) vaddr); } return 0; } diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index d6d65ef..8afcf08 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -616,6 +616,8 @@ config FB_STI select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select STI_CONSOLE + select VT default y ---help--- STI refers to the HP "Standard Text Interface" which is a set of diff --git a/drivers/video/atafb.c b/drivers/video/atafb.c index 018850c..497ff8a 100644 --- a/drivers/video/atafb.c +++ b/drivers/video/atafb.c @@ -2414,7 +2414,10 @@ static int atafb_get_fix(struct fb_fix_screeninfo *fix, struct fb_info *info) if (err) return err; memset(fix, 0, sizeof(struct fb_fix_screeninfo)); - return fbhw->encode_fix(fix, &par); + mutex_lock(&info->mm_lock); + err = fbhw->encode_fix(fix, &par); + mutex_unlock(&info->mm_lock); + return err; } static int atafb_get_var(struct fb_var_screeninfo *var, struct fb_info *info) @@ -2743,7 +2746,9 @@ static int atafb_set_par(struct fb_info *info) /* Decode wanted screen parameters */ fbhw->decode_var(&info->var, par); + mutex_lock(&info->mm_lock); fbhw->encode_fix(&info->fix, par); + mutex_unlock(&info->mm_lock); /* Set new videomode */ ata_set_par(par); diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index 5afd644..cb88394 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -270,7 +270,9 @@ static int atmel_lcdfb_alloc_video_memory(struct atmel_lcdfb_info *sinfo) smem_len = (var->xres_virtual * var->yres_virtual * ((var->bits_per_pixel + 7) / 8)); + mutex_lock(&info->mm_lock); info->fix.smem_len = max(smem_len, sinfo->smem_len); + mutex_unlock(&info->mm_lock); info->screen_base = dma_alloc_writecombine(info->device, info->fix.smem_len, (dma_addr_t *)&info->fix.smem_start, GFP_KERNEL); diff --git a/drivers/video/aty/atyfb.h b/drivers/video/aty/atyfb.h index 7691e73..1f39a62 100644 --- a/drivers/video/aty/atyfb.h +++ b/drivers/video/aty/atyfb.h @@ -187,6 +187,8 @@ struct atyfb_par { int mtrr_reg; #endif u32 mem_cntl; + struct crtc saved_crtc; + union aty_pll saved_pll; }; /* @@ -217,6 +219,7 @@ struct atyfb_par { #define M64F_XL_DLL 0x00080000 #define M64F_MFB_FORCE_4 0x00100000 #define M64F_HW_TRIPLE 0x00200000 +#define M64F_XL_MEM 0x00400000 /* * Register access */ diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c index 1207c20..63d3739 100644 --- a/drivers/video/aty/atyfb_base.c +++ b/drivers/video/aty/atyfb_base.c @@ -66,6 +66,8 @@ #include <linux/spinlock.h> #include <linux/wait.h> #include <linux/backlight.h> +#include <linux/reboot.h> +#include <linux/dmi.h> #include <asm/io.h> #include <linux/uaccess.h> @@ -249,8 +251,6 @@ static int aty_init(struct fb_info *info); static int store_video_par(char *videopar, unsigned char m64_num); #endif -static struct crtc saved_crtc; -static union aty_pll saved_pll; static void aty_get_crtc(const struct atyfb_par *par, struct crtc *crtc); static void aty_set_crtc(const struct atyfb_par *par, const struct crtc *crtc); @@ -261,6 +261,8 @@ static void set_off_pitch(struct atyfb_par *par, const struct fb_info *info); static int read_aty_sense(const struct atyfb_par *par); #endif +static DEFINE_MUTEX(reboot_lock); +static struct fb_info *reboot_info; /* * Interface used by the world @@ -361,8 +363,8 @@ static unsigned long phys_guiregbase[FB_MAX] __devinitdata = { 0, }; #define ATI_CHIP_264GTPRO (ATI_MODERN_SET | M64F_SDRAM_MAGIC_PLL | M64F_HW_TRIPLE | M64F_FIFO_32 | M64F_RESET_3D) #define ATI_CHIP_264LTPRO (ATI_MODERN_SET | M64F_HW_TRIPLE | M64F_FIFO_32 | M64F_RESET_3D) -#define ATI_CHIP_264XL (ATI_MODERN_SET | M64F_HW_TRIPLE | M64F_FIFO_32 | M64F_RESET_3D | M64F_XL_DLL | M64F_MFB_FORCE_4) -#define ATI_CHIP_MOBILITY (ATI_MODERN_SET | M64F_HW_TRIPLE | M64F_FIFO_32 | M64F_RESET_3D | M64F_XL_DLL | M64F_MFB_FORCE_4 | M64F_MOBIL_BUS) +#define ATI_CHIP_264XL (ATI_MODERN_SET | M64F_HW_TRIPLE | M64F_FIFO_32 | M64F_RESET_3D | M64F_XL_DLL | M64F_MFB_FORCE_4 | M64F_XL_MEM) +#define ATI_CHIP_MOBILITY (ATI_MODERN_SET | M64F_HW_TRIPLE | M64F_FIFO_32 | M64F_RESET_3D | M64F_XL_DLL | M64F_MFB_FORCE_4 | M64F_XL_MEM | M64F_MOBIL_BUS) static struct { u16 pci_id; @@ -539,6 +541,7 @@ static char ram_edo[] __devinitdata = "EDO"; static char ram_sdram[] __devinitdata = "SDRAM (1:1)"; static char ram_sgram[] __devinitdata = "SGRAM (1:1)"; static char ram_sdram32[] __devinitdata = "SDRAM (2:1) (32-bit)"; +static char ram_wram[] __devinitdata = "WRAM"; static char ram_off[] __devinitdata = "OFF"; #endif /* CONFIG_FB_ATY_CT */ @@ -553,6 +556,10 @@ static char *aty_gx_ram[8] __devinitdata = { #ifdef CONFIG_FB_ATY_CT static char *aty_ct_ram[8] __devinitdata = { ram_off, ram_dram, ram_edo, ram_edo, + ram_sdram, ram_sgram, ram_wram, ram_resv +}; +static char *aty_xl_ram[8] __devinitdata = { + ram_off, ram_dram, ram_edo, ram_edo, ram_sdram, ram_sgram, ram_sdram32, ram_resv }; #endif /* CONFIG_FB_ATY_CT */ @@ -760,6 +767,17 @@ static void aty_set_crtc(const struct atyfb_par *par, const struct crtc *crtc) #endif /* CONFIG_FB_ATY_GENERIC_LCD */ } +static u32 calc_line_length(struct atyfb_par *par, u32 vxres, u32 bpp) +{ + u32 line_length = vxres * bpp / 8; + + if (par->ram_type == SGRAM || + (!M64_HAS(XL_MEM) && par->ram_type == WRAM)) + line_length = (line_length + 63) & ~63; + + return line_length; +} + static int aty_var_to_crtc(const struct fb_info *info, const struct fb_var_screeninfo *var, struct crtc *crtc) { @@ -769,13 +787,14 @@ static int aty_var_to_crtc(const struct fb_info *info, u32 h_total, h_disp, h_sync_strt, h_sync_end, h_sync_dly, h_sync_wid, h_sync_pol; u32 v_total, v_disp, v_sync_strt, v_sync_end, v_sync_wid, v_sync_pol, c_sync; u32 pix_width, dp_pix_width, dp_chain_mask; + u32 line_length; /* input */ - xres = var->xres; + xres = (var->xres + 7) & ~7; yres = var->yres; - vxres = var->xres_virtual; + vxres = (var->xres_virtual + 7) & ~7; vyres = var->yres_virtual; - xoffset = var->xoffset; + xoffset = (var->xoffset + 7) & ~7; yoffset = var->yoffset; bpp = var->bits_per_pixel; if (bpp == 16) @@ -827,7 +846,9 @@ static int aty_var_to_crtc(const struct fb_info *info, } else FAIL("invalid bpp"); - if (vxres * vyres * bpp / 8 > info->fix.smem_len) + line_length = calc_line_length(par, vxres, bpp); + + if (vyres * line_length > info->fix.smem_len) FAIL("not enough video RAM"); h_sync_pol = sync & FB_SYNC_HOR_HIGH_ACT ? 0 : 1; @@ -969,7 +990,9 @@ static int aty_var_to_crtc(const struct fb_info *info, crtc->xoffset = xoffset; crtc->yoffset = yoffset; crtc->bpp = bpp; - crtc->off_pitch = ((yoffset*vxres+xoffset)*bpp/64) | (vxres<<19); + crtc->off_pitch = + ((yoffset * line_length + xoffset * bpp / 8) / 8) | + ((line_length / bpp) << 22); crtc->vline_crnt_vline = 0; crtc->h_tot_disp = h_total | (h_disp<<16); @@ -1394,7 +1417,9 @@ static int atyfb_set_par(struct fb_info *info) } aty_st_8(DAC_MASK, 0xff, par); - info->fix.line_length = var->xres_virtual * var->bits_per_pixel/8; + info->fix.line_length = calc_line_length(par, var->xres_virtual, + var->bits_per_pixel); + info->fix.visual = var->bits_per_pixel <= 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_DIRECTCOLOR; @@ -1505,10 +1530,12 @@ static void set_off_pitch(struct atyfb_par *par, const struct fb_info *info) { u32 xoffset = info->var.xoffset; u32 yoffset = info->var.yoffset; - u32 vxres = par->crtc.vxres; + u32 line_length = info->fix.line_length; u32 bpp = info->var.bits_per_pixel; - par->crtc.off_pitch = ((yoffset * vxres + xoffset) * bpp / 64) | (vxres << 19); + par->crtc.off_pitch = + ((yoffset * line_length + xoffset * bpp / 8) / 8) | + ((line_length / bpp) << 22); } @@ -2201,7 +2228,7 @@ static void __devinit aty_calc_mem_refresh(struct atyfb_par *par, int xclk) const int *refresh_tbl; int i, size; - if (IS_XL(par->pci_id) || IS_MOBILITY(par->pci_id)) { + if (M64_HAS(XL_MEM)) { refresh_tbl = ragexl_tbl; size = ARRAY_SIZE(ragexl_tbl); } else { @@ -2335,7 +2362,10 @@ static int __devinit aty_init(struct fb_info *info) par->pll_ops = &aty_pll_ct; par->bus_type = PCI; par->ram_type = (aty_ld_le32(CNFG_STAT0, par) & 0x07); - ramname = aty_ct_ram[par->ram_type]; + if (M64_HAS(XL_MEM)) + ramname = aty_xl_ram[par->ram_type]; + else + ramname = aty_ct_ram[par->ram_type]; /* for many chips, the mclk is 67 MHz for SDRAM, 63 MHz otherwise */ if (par->pll_limits.mclk == 67 && par->ram_type < SDRAM) par->pll_limits.mclk = 63; @@ -2390,9 +2420,9 @@ static int __devinit aty_init(struct fb_info *info) #endif /* CONFIG_FB_ATY_CT */ /* save previous video mode */ - aty_get_crtc(par, &saved_crtc); + aty_get_crtc(par, &par->saved_crtc); if(par->pll_ops->get_pll) - par->pll_ops->get_pll(info, &saved_pll); + par->pll_ops->get_pll(info, &par->saved_pll); par->mem_cntl = aty_ld_le32(MEM_CNTL, par); gtb_memsize = M64_HAS(GTB_DSP); @@ -2667,8 +2697,8 @@ static int __devinit aty_init(struct fb_info *info) aty_init_exit: /* restore video mode */ - aty_set_crtc(par, &saved_crtc); - par->pll_ops->set_pll(info, &saved_pll); + aty_set_crtc(par, &par->saved_crtc); + par->pll_ops->set_pll(info, &par->saved_pll); #ifdef CONFIG_MTRR if (par->mtrr_reg >= 0) { @@ -3502,6 +3532,11 @@ static int __devinit atyfb_pci_probe(struct pci_dev *pdev, const struct pci_devi par->mmap_map[1].prot_flag = _PAGE_E; #endif /* __sparc__ */ + mutex_lock(&reboot_lock); + if (!reboot_info) + reboot_info = info; + mutex_unlock(&reboot_lock); + return 0; err_release_io: @@ -3614,8 +3649,8 @@ static void __devexit atyfb_remove(struct fb_info *info) struct atyfb_par *par = (struct atyfb_par *) info->par; /* restore video mode */ - aty_set_crtc(par, &saved_crtc); - par->pll_ops->set_pll(info, &saved_pll); + aty_set_crtc(par, &par->saved_crtc); + par->pll_ops->set_pll(info, &par->saved_pll); unregister_framebuffer(info); @@ -3661,6 +3696,11 @@ static void __devexit atyfb_pci_remove(struct pci_dev *pdev) { struct fb_info *info = pci_get_drvdata(pdev); + mutex_lock(&reboot_lock); + if (reboot_info == info) + reboot_info = NULL; + mutex_unlock(&reboot_lock); + atyfb_remove(info); } @@ -3808,6 +3848,56 @@ static int __init atyfb_setup(char *options) } #endif /* MODULE */ +static int atyfb_reboot_notify(struct notifier_block *nb, + unsigned long code, void *unused) +{ + struct atyfb_par *par; + + if (code != SYS_RESTART) + return NOTIFY_DONE; + + mutex_lock(&reboot_lock); + + if (!reboot_info) + goto out; + + if (!lock_fb_info(reboot_info)) + goto out; + + par = reboot_info->par; + + /* + * HP OmniBook 500's BIOS doesn't like the state of the + * hardware after atyfb has been used. Restore the hardware + * to the original state to allow successful reboots. + */ + aty_set_crtc(par, &par->saved_crtc); + par->pll_ops->set_pll(reboot_info, &par->saved_pll); + + unlock_fb_info(reboot_info); + out: + mutex_unlock(&reboot_lock); + + return NOTIFY_DONE; +} + +static struct notifier_block atyfb_reboot_notifier = { + .notifier_call = atyfb_reboot_notify, +}; + +static const struct dmi_system_id atyfb_reboot_ids[] = { + { + .ident = "HP OmniBook 500", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP OmniBook PC"), + DMI_MATCH(DMI_PRODUCT_VERSION, "HP OmniBook 500 FA"), + }, + }, + + { } +}; + static int __init atyfb_init(void) { int err1 = 1, err2 = 1; @@ -3826,11 +3916,20 @@ static int __init atyfb_init(void) err2 = atyfb_atari_probe(); #endif - return (err1 && err2) ? -ENODEV : 0; + if (err1 && err2) + return -ENODEV; + + if (dmi_check_system(atyfb_reboot_ids)) + register_reboot_notifier(&atyfb_reboot_notifier); + + return 0; } static void __exit atyfb_exit(void) { + if (dmi_check_system(atyfb_reboot_ids)) + unregister_reboot_notifier(&atyfb_reboot_notifier); + #ifdef CONFIG_PCI pci_unregister_driver(&atyfb_driver); #endif diff --git a/drivers/video/aty/mach64_accel.c b/drivers/video/aty/mach64_accel.c index 0cc9724..51fcc0a 100644 --- a/drivers/video/aty/mach64_accel.c +++ b/drivers/video/aty/mach64_accel.c @@ -63,14 +63,17 @@ static void reset_GTC_3D_engine(const struct atyfb_par *par) void aty_init_engine(struct atyfb_par *par, struct fb_info *info) { u32 pitch_value; + u32 vxres; /* determine modal information from global mode structure */ - pitch_value = info->var.xres_virtual; + pitch_value = info->fix.line_length / (info->var.bits_per_pixel / 8); + vxres = info->var.xres_virtual; if (info->var.bits_per_pixel == 24) { /* In 24 bpp, the engine is in 8 bpp - this requires that all */ /* horizontal coordinates and widths must be adjusted */ pitch_value *= 3; + vxres *= 3; } /* On GTC (RagePro), we need to reset the 3D engine before */ @@ -133,7 +136,7 @@ void aty_init_engine(struct atyfb_par *par, struct fb_info *info) aty_st_le32(SC_LEFT, 0, par); aty_st_le32(SC_TOP, 0, par); aty_st_le32(SC_BOTTOM, par->crtc.vyres - 1, par); - aty_st_le32(SC_RIGHT, pitch_value - 1, par); + aty_st_le32(SC_RIGHT, vxres - 1, par); /* set background color to minimum value (usually BLACK) */ aty_st_le32(DP_BKGD_CLR, 0, par); diff --git a/drivers/video/cobalt_lcdfb.c b/drivers/video/cobalt_lcdfb.c index 7bad24e..108b89e 100644 --- a/drivers/video/cobalt_lcdfb.c +++ b/drivers/video/cobalt_lcdfb.c @@ -1,7 +1,7 @@ /* * Cobalt server LCD frame buffer driver. * - * Copyright (C) 2008 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2008 Yoichi Yuasa <yuasa@linux-mips.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index f8a09bf..53eb396 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1310,8 +1310,6 @@ static long fb_compat_ioctl(struct file *file, unsigned int cmd, static int fb_mmap(struct file *file, struct vm_area_struct * vma) -__acquires(&info->lock) -__releases(&info->lock) { int fbidx = iminor(file->f_path.dentry->d_inode); struct fb_info *info = registered_fb[fbidx]; @@ -1325,16 +1323,14 @@ __releases(&info->lock) off = vma->vm_pgoff << PAGE_SHIFT; if (!fb) return -ENODEV; + mutex_lock(&info->mm_lock); if (fb->fb_mmap) { int res; - mutex_lock(&info->lock); res = fb->fb_mmap(info, vma); - mutex_unlock(&info->lock); + mutex_unlock(&info->mm_lock); return res; } - mutex_lock(&info->lock); - /* frame buffer memory */ start = info->fix.smem_start; len = PAGE_ALIGN((start & ~PAGE_MASK) + info->fix.smem_len); @@ -1342,13 +1338,13 @@ __releases(&info->lock) /* memory mapped io */ off -= len; if (info->var.accel_flags) { - mutex_unlock(&info->lock); + mutex_unlock(&info->mm_lock); return -EINVAL; } start = info->fix.mmio_start; len = PAGE_ALIGN((start & ~PAGE_MASK) + info->fix.mmio_len); } - mutex_unlock(&info->lock); + mutex_unlock(&info->mm_lock); start &= PAGE_MASK; if ((vma->vm_end - vma->vm_start + off) > len) return -EINVAL; @@ -1517,7 +1513,6 @@ register_framebuffer(struct fb_info *fb_info) if (!registered_fb[i]) break; fb_info->node = i; - mutex_init(&fb_info->lock); fb_info->dev = device_create(fb_class, fb_info->device, MKDEV(FB_MAJOR, i), NULL, "fb%d", i); diff --git a/drivers/video/fbsysfs.c b/drivers/video/fbsysfs.c index d4a2c11..afc04df 100644 --- a/drivers/video/fbsysfs.c +++ b/drivers/video/fbsysfs.c @@ -62,6 +62,9 @@ struct fb_info *framebuffer_alloc(size_t size, struct device *dev) mutex_init(&info->bl_curve_mutex); #endif + mutex_init(&info->lock); + mutex_init(&info->mm_lock); + return info; #undef PADDING #undef BYTES_PER_LONG diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c index f153c58..0bf2190 100644 --- a/drivers/video/fsl-diu-fb.c +++ b/drivers/video/fsl-diu-fb.c @@ -750,24 +750,26 @@ static void update_lcdc(struct fb_info *info) static int map_video_memory(struct fb_info *info) { phys_addr_t phys; + u32 smem_len = info->fix.line_length * info->var.yres_virtual; pr_debug("info->var.xres_virtual = %d\n", info->var.xres_virtual); pr_debug("info->var.yres_virtual = %d\n", info->var.yres_virtual); pr_debug("info->fix.line_length = %d\n", info->fix.line_length); + pr_debug("MAP_VIDEO_MEMORY: smem_len = %u\n", smem_len); - info->fix.smem_len = info->fix.line_length * info->var.yres_virtual; - pr_debug("MAP_VIDEO_MEMORY: smem_len = %d\n", info->fix.smem_len); - info->screen_base = fsl_diu_alloc(info->fix.smem_len, &phys); + info->screen_base = fsl_diu_alloc(smem_len, &phys); if (info->screen_base == NULL) { printk(KERN_ERR "Unable to allocate fb memory\n"); return -ENOMEM; } + mutex_lock(&info->mm_lock); info->fix.smem_start = (unsigned long) phys; + info->fix.smem_len = smem_len; + mutex_unlock(&info->mm_lock); info->screen_size = info->fix.smem_len; pr_debug("Allocated fb @ paddr=0x%08lx, size=%d.\n", - info->fix.smem_start, - info->fix.smem_len); + info->fix.smem_start, info->fix.smem_len); pr_debug("screen base %p\n", info->screen_base); return 0; @@ -776,9 +778,11 @@ static int map_video_memory(struct fb_info *info) static void unmap_video_memory(struct fb_info *info) { fsl_diu_free(info->screen_base, info->fix.smem_len); + mutex_lock(&info->mm_lock); info->screen_base = NULL; info->fix.smem_start = 0; info->fix.smem_len = 0; + mutex_unlock(&info->mm_lock); } /* diff --git a/drivers/video/i810/i810_main.c b/drivers/video/i810/i810_main.c index 2e94019..7196067 100644 --- a/drivers/video/i810/i810_main.c +++ b/drivers/video/i810/i810_main.c @@ -1090,8 +1090,10 @@ static int encode_fix(struct fb_fix_screeninfo *fix, struct fb_info *info) memset(fix, 0, sizeof(struct fb_fix_screeninfo)); strcpy(fix->id, "I810"); + mutex_lock(&info->mm_lock); fix->smem_start = par->fb.physical; fix->smem_len = par->fb.size; + mutex_unlock(&info->mm_lock); fix->type = FB_TYPE_PACKED_PIXELS; fix->type_aux = 0; fix->xpanstep = 8; diff --git a/drivers/video/matrox/matroxfb_base.c b/drivers/video/matrox/matroxfb_base.c index 8e7a275..76bc51b 100644 --- a/drivers/video/matrox/matroxfb_base.c +++ b/drivers/video/matrox/matroxfb_base.c @@ -724,8 +724,10 @@ static void matroxfb_update_fix(WPMINFO2) struct fb_fix_screeninfo *fix = &ACCESS_FBINFO(fbcon).fix; DBG(__func__) + mutex_lock(&ACCESS_FBINFO(fbcon).mm_lock); fix->smem_start = ACCESS_FBINFO(video.base) + ACCESS_FBINFO(curr.ydstorg.bytes); fix->smem_len = ACCESS_FBINFO(video.len_usable) - ACCESS_FBINFO(curr.ydstorg.bytes); + mutex_unlock(&ACCESS_FBINFO(fbcon).mm_lock); } static int matroxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) @@ -2081,6 +2083,8 @@ static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dumm spin_lock_init(&ACCESS_FBINFO(lock.accel)); init_rwsem(&ACCESS_FBINFO(crtc2.lock)); init_rwsem(&ACCESS_FBINFO(altout.lock)); + mutex_init(&ACCESS_FBINFO(fbcon).lock); + mutex_init(&ACCESS_FBINFO(fbcon).mm_lock); ACCESS_FBINFO(irq_flags) = 0; init_waitqueue_head(&ACCESS_FBINFO(crtc1.vsync.wait)); init_waitqueue_head(&ACCESS_FBINFO(crtc2.vsync.wait)); diff --git a/drivers/video/matrox/matroxfb_crtc2.c b/drivers/video/matrox/matroxfb_crtc2.c index 7ac4c5f..909e10a 100644 --- a/drivers/video/matrox/matroxfb_crtc2.c +++ b/drivers/video/matrox/matroxfb_crtc2.c @@ -289,13 +289,16 @@ static int matroxfb_dh_release(struct fb_info* info, int user) { #undef m2info } -static void matroxfb_dh_init_fix(struct matroxfb_dh_fb_info *m2info) { +static void matroxfb_dh_init_fix(struct matroxfb_dh_fb_info *m2info) +{ struct fb_fix_screeninfo *fix = &m2info->fbcon.fix; strcpy(fix->id, "MATROX DH"); + mutex_lock(&m2info->fbcon.mm_lock); fix->smem_start = m2info->video.base; fix->smem_len = m2info->video.len_usable; + mutex_unlock(&m2info->fbcon.mm_lock); fix->ypanstep = 1; fix->ywrapstep = 0; fix->xpanstep = 8; /* TBD */ diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c index b7af525..567fb94 100644 --- a/drivers/video/mx3fb.c +++ b/drivers/video/mx3fb.c @@ -669,7 +669,7 @@ static uint32_t bpp_to_pixfmt(int bpp) } static int mx3fb_blank(int blank, struct fb_info *fbi); -static int mx3fb_map_video_memory(struct fb_info *fbi); +static int mx3fb_map_video_memory(struct fb_info *fbi, unsigned int mem_len); static int mx3fb_unmap_video_memory(struct fb_info *fbi); /** @@ -742,8 +742,7 @@ static int mx3fb_set_par(struct fb_info *fbi) if (fbi->fix.smem_start) mx3fb_unmap_video_memory(fbi); - fbi->fix.smem_len = mem_len; - if (mx3fb_map_video_memory(fbi) < 0) { + if (mx3fb_map_video_memory(fbi, mem_len) < 0) { mutex_unlock(&mx3_fbi->mutex); return -ENOMEM; } @@ -1198,6 +1197,7 @@ static int mx3fb_resume(struct platform_device *pdev) /** * mx3fb_map_video_memory() - allocates the DRAM memory for the frame buffer. * @fbi: framebuffer information pointer + * @mem_len: length of mapped memory * @return: Error code indicating success or failure * * This buffer is remapped into a non-cached, non-buffered, memory region to @@ -1205,23 +1205,26 @@ static int mx3fb_resume(struct platform_device *pdev) * area is remapped, all virtual memory access to the video memory should occur * at the new region. */ -static int mx3fb_map_video_memory(struct fb_info *fbi) +static int mx3fb_map_video_memory(struct fb_info *fbi, unsigned int mem_len) { int retval = 0; dma_addr_t addr; fbi->screen_base = dma_alloc_writecombine(fbi->device, - fbi->fix.smem_len, + mem_len, &addr, GFP_DMA); if (!fbi->screen_base) { dev_err(fbi->device, "Cannot allocate %u bytes framebuffer memory\n", - fbi->fix.smem_len); + mem_len); retval = -EBUSY; goto err0; } + mutex_lock(&fbi->mm_lock); fbi->fix.smem_start = addr; + fbi->fix.smem_len = mem_len; + mutex_unlock(&fbi->mm_lock); dev_dbg(fbi->device, "allocated fb @ p=0x%08x, v=0x%p, size=%d.\n", (uint32_t) fbi->fix.smem_start, fbi->screen_base, fbi->fix.smem_len); @@ -1251,8 +1254,10 @@ static int mx3fb_unmap_video_memory(struct fb_info *fbi) fbi->screen_base, fbi->fix.smem_start); fbi->screen_base = 0; + mutex_lock(&fbi->mm_lock); fbi->fix.smem_start = 0; fbi->fix.smem_len = 0; + mutex_unlock(&fbi->mm_lock); return 0; } diff --git a/drivers/video/omap/omapfb_main.c b/drivers/video/omap/omapfb_main.c index 060d72f..4ea99bf 100644 --- a/drivers/video/omap/omapfb_main.c +++ b/drivers/video/omap/omapfb_main.c @@ -393,8 +393,10 @@ static void set_fb_fix(struct fb_info *fbi) rg = &plane->fbdev->mem_desc.region[plane->idx]; fbi->screen_base = rg->vaddr; + mutex_lock(&fbi->mm_lock); fix->smem_start = rg->paddr; fix->smem_len = rg->size; + mutex_unlock(&fbi->mm_lock); fix->type = FB_TYPE_PACKED_PIXELS; bpp = var->bits_per_pixel; @@ -886,8 +888,10 @@ static int omapfb_setup_mem(struct fb_info *fbi, struct omapfb_mem_info *mi) * plane memory is dealloce'd, the other * screen parameters in var / fix are invalid. */ + mutex_lock(&fbi->mm_lock); fbi->fix.smem_start = 0; fbi->fix.smem_len = 0; + mutex_unlock(&fbi->mm_lock); } } } diff --git a/drivers/video/platinumfb.c b/drivers/video/platinumfb.c index 03b3670..bacfabd 100644 --- a/drivers/video/platinumfb.c +++ b/drivers/video/platinumfb.c @@ -141,7 +141,9 @@ static int platinumfb_set_par (struct fb_info *info) offset = 0x10; info->screen_base = pinfo->frame_buffer + init->fb_offset + offset; + mutex_lock(&info->mm_lock); info->fix.smem_start = (pinfo->frame_buffer_phys) + init->fb_offset + offset; + mutex_unlock(&info->mm_lock); info->fix.visual = (pinfo->cmode == CMODE_8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_DIRECTCOLOR; info->fix.line_length = vmode_attrs[pinfo->vmode-1].hres * (1<<pinfo->cmode) diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c index 0889d50..6506117 100644 --- a/drivers/video/pxafb.c +++ b/drivers/video/pxafb.c @@ -815,8 +815,10 @@ static int overlayfb_map_video_memory(struct pxafb_layer *ofb) ofb->video_mem_phys = virt_to_phys(ofb->video_mem); ofb->video_mem_size = size; + mutex_lock(&ofb->fb.mm_lock); ofb->fb.fix.smem_start = ofb->video_mem_phys; ofb->fb.fix.smem_len = ofb->fb.fix.line_length * var->yres_virtual; + mutex_unlock(&ofb->fb.mm_lock); ofb->fb.screen_base = ofb->video_mem; return 0; } diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c index 43680e5..bb63c07 100644 --- a/drivers/video/s3c-fb.c +++ b/drivers/video/s3c-fb.c @@ -211,23 +211,21 @@ static int s3c_fb_check_var(struct fb_var_screeninfo *var, /** * s3c_fb_calc_pixclk() - calculate the divider to create the pixel clock. + * @id: window id. * @sfb: The hardware state. * @pixclock: The pixel clock wanted, in picoseconds. * * Given the specified pixel clock, work out the necessary divider to get * close to the output frequency. */ -static int s3c_fb_calc_pixclk(struct s3c_fb *sfb, unsigned int pixclk) +static int s3c_fb_calc_pixclk(unsigned char id, struct s3c_fb *sfb, unsigned int pixclk) { + struct s3c_fb_pd_win *win = sfb->pdata->win[id]; unsigned long clk = clk_get_rate(sfb->bus_clk); - unsigned long long tmp; unsigned int result; - tmp = (unsigned long long)clk; - tmp *= pixclk; - - do_div(tmp, 1000000000UL); - result = (unsigned int)tmp / 1000; + pixclk *= win->win_mode.refresh; + result = clk / pixclk; dev_dbg(sfb->dev, "pixclk=%u, clk=%lu, div=%d (%lu)\n", pixclk, clk, result, clk / result); @@ -267,6 +265,7 @@ static int s3c_fb_set_par(struct fb_info *info) struct s3c_fb *sfb = win->parent; void __iomem *regs = sfb->regs; int win_no = win->index; + u32 osdc_data = 0; u32 data; u32 pagewidth; int clkdiv; @@ -302,7 +301,7 @@ static int s3c_fb_set_par(struct fb_info *info) /* use window 0 as the basis for the lcd output timings */ if (win_no == 0) { - clkdiv = s3c_fb_calc_pixclk(sfb, var->pixclock); + clkdiv = s3c_fb_calc_pixclk(win_no, sfb, var->pixclock); data = sfb->pdata->vidcon0; data &= ~(VIDCON0_CLKVAL_F_MASK | VIDCON0_CLKDIR); @@ -359,8 +358,6 @@ static int s3c_fb_set_par(struct fb_info *info) data = var->xres * var->yres; - u32 osdc_data = 0; - osdc_data = VIDISD14C_ALPHA1_R(0xf) | VIDISD14C_ALPHA1_G(0xf) | VIDISD14C_ALPHA1_B(0xf); diff --git a/drivers/video/sh7760fb.c b/drivers/video/sh7760fb.c index 653bdfe..9f6d6e6 100644 --- a/drivers/video/sh7760fb.c +++ b/drivers/video/sh7760fb.c @@ -120,18 +120,6 @@ static int sh7760_setcolreg (u_int regno, return 0; } -static void encode_fix(struct fb_fix_screeninfo *fix, struct fb_info *info, - unsigned long stride) -{ - memset(fix, 0, sizeof(struct fb_fix_screeninfo)); - strcpy(fix->id, "sh7760-lcdc"); - - fix->smem_start = (unsigned long)info->screen_base; - fix->smem_len = info->screen_size; - - fix->line_length = stride; -} - static int sh7760fb_get_color_info(struct device *dev, u16 lddfr, int *bpp, int *gray) { @@ -334,7 +322,8 @@ static int sh7760fb_set_par(struct fb_info *info) iowrite32(ldsarl, par->base + LDSARL); /* mem for lower half of DSTN */ - encode_fix(&info->fix, info, stride); + info->fix.line_length = stride; + sh7760fb_check_var(&info->var, info); sh7760fb_blank(FB_BLANK_UNBLANK, info); /* panel on! */ @@ -435,6 +424,8 @@ static int sh7760fb_alloc_mem(struct fb_info *info) info->screen_base = fbmem; info->screen_size = vram; + info->fix.smem_start = (unsigned long)info->screen_base; + info->fix.smem_len = info->screen_size; return 0; } @@ -520,6 +511,8 @@ static int __devinit sh7760fb_probe(struct platform_device *pdev) info->var.transp.length = 0; info->var.transp.msb_right = 0; + strcpy(info->fix.id, "sh7760-lcdc"); + /* set the DON2 bit now, before cmap allocation, as it will randomize * palette memory. */ diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c index f10d2fb..da983b7 100644 --- a/drivers/video/sh_mobile_lcdcfb.c +++ b/drivers/video/sh_mobile_lcdcfb.c @@ -17,6 +17,7 @@ #include <linux/platform_device.h> #include <linux/dma-mapping.h> #include <linux/interrupt.h> +#include <linux/vmalloc.h> #include <video/sh_mobile_lcdc.h> #include <asm/atomic.h> @@ -33,6 +34,7 @@ struct sh_mobile_lcdc_chan { struct fb_info info; dma_addr_t dma_handle; struct fb_deferred_io defio; + struct scatterlist *sglist; unsigned long frame_end; wait_queue_head_t frame_end_wait; }; @@ -206,16 +208,38 @@ static void sh_mobile_lcdc_clk_on(struct sh_mobile_lcdc_priv *priv) {} static void sh_mobile_lcdc_clk_off(struct sh_mobile_lcdc_priv *priv) {} #endif +static int sh_mobile_lcdc_sginit(struct fb_info *info, + struct list_head *pagelist) +{ + struct sh_mobile_lcdc_chan *ch = info->par; + unsigned int nr_pages_max = info->fix.smem_len >> PAGE_SHIFT; + struct page *page; + int nr_pages = 0; + + sg_init_table(ch->sglist, nr_pages_max); + + list_for_each_entry(page, pagelist, lru) + sg_set_page(&ch->sglist[nr_pages++], page, PAGE_SIZE, 0); + + return nr_pages; +} + static void sh_mobile_lcdc_deferred_io(struct fb_info *info, struct list_head *pagelist) { struct sh_mobile_lcdc_chan *ch = info->par; + unsigned int nr_pages; /* enable clocks before accessing hardware */ sh_mobile_lcdc_clk_on(ch->lcdc); + nr_pages = sh_mobile_lcdc_sginit(info, pagelist); + dma_map_sg(info->dev, ch->sglist, nr_pages, DMA_TO_DEVICE); + /* trigger panel update */ lcdc_write_chan(ch, LDSM2R, 1); + + dma_unmap_sg(info->dev, ch->sglist, nr_pages, DMA_TO_DEVICE); } static void sh_mobile_lcdc_deferred_io_touch(struct fb_info *info) @@ -846,21 +870,31 @@ static int __init sh_mobile_lcdc_probe(struct platform_device *pdev) } for (i = 0; i < j; i++) { - error = register_framebuffer(&priv->ch[i].info); + struct sh_mobile_lcdc_chan *ch = priv->ch + i; + + info = &ch->info; + + if (info->fbdefio) { + priv->ch->sglist = vmalloc(sizeof(struct scatterlist) * + info->fix.smem_len >> PAGE_SHIFT); + if (!priv->ch->sglist) { + dev_err(&pdev->dev, "cannot allocate sglist\n"); + goto err1; + } + } + + error = register_framebuffer(info); if (error < 0) goto err1; - } - for (i = 0; i < j; i++) { - info = &priv->ch[i].info; dev_info(info->dev, "registered %s/%s as %dx%d %dbpp.\n", pdev->name, - (priv->ch[i].cfg.chan == LCDC_CHAN_MAINLCD) ? + (ch->cfg.chan == LCDC_CHAN_MAINLCD) ? "mainlcd" : "sublcd", - (int) priv->ch[i].cfg.lcd_cfg.xres, - (int) priv->ch[i].cfg.lcd_cfg.yres, - priv->ch[i].cfg.bpp); + (int) ch->cfg.lcd_cfg.xres, + (int) ch->cfg.lcd_cfg.yres, + ch->cfg.bpp); /* deferred io mode: disable clock to save power */ if (info->fbdefio) @@ -892,6 +926,9 @@ static int sh_mobile_lcdc_remove(struct platform_device *pdev) if (!info->device) continue; + if (priv->ch[i].sglist) + vfree(priv->ch[i].sglist); + dma_free_coherent(&pdev->dev, info->fix.smem_len, info->screen_base, priv->ch[i].dma_handle); fb_dealloc_cmap(&info->cmap); diff --git a/drivers/video/sis/sis_main.c b/drivers/video/sis/sis_main.c index 7072d19..4a067f0 100644 --- a/drivers/video/sis/sis_main.c +++ b/drivers/video/sis/sis_main.c @@ -1847,8 +1847,10 @@ sisfb_get_fix(struct fb_fix_screeninfo *fix, int con, struct fb_info *info) strcpy(fix->id, ivideo->myid); + mutex_lock(&info->mm_lock); fix->smem_start = ivideo->video_base + ivideo->video_offset; fix->smem_len = ivideo->sisfb_mem; + mutex_unlock(&info->mm_lock); fix->type = FB_TYPE_PACKED_PIXELS; fix->type_aux = 0; fix->visual = (ivideo->video_bpp == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; @@ -6365,7 +6367,6 @@ error_3: vfree(ivideo->bios_abase); sis_fb_info->fix = ivideo->sisfb_fix; sis_fb_info->screen_base = ivideo->video_vbase + ivideo->video_offset; sis_fb_info->fbops = &sisfb_ops; - sisfb_get_fix(&sis_fb_info->fix, -1, sis_fb_info); sis_fb_info->pseudo_palette = ivideo->pseudo_palette; fb_alloc_cmap(&sis_fb_info->cmap, 256 , 0); diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c index eb5d73a..98f24f0 100644 --- a/drivers/video/sm501fb.c +++ b/drivers/video/sm501fb.c @@ -145,7 +145,7 @@ static inline void sm501fb_sync_regs(struct sm501fb_info *info) #define SM501_MEMF_ACCEL (8) static int sm501_alloc_mem(struct sm501fb_info *inf, struct sm501_mem *mem, - unsigned int why, size_t size) + unsigned int why, size_t size, u32 smem_len) { struct sm501fb_par *par; struct fb_info *fbi; @@ -172,7 +172,7 @@ static int sm501_alloc_mem(struct sm501fb_info *inf, struct sm501_mem *mem, if (ptr > 0) ptr &= ~(PAGE_SIZE - 1); - if (fbi && ptr < fbi->fix.smem_len) + if (fbi && ptr < smem_len) return -ENOMEM; break; @@ -197,7 +197,7 @@ static int sm501_alloc_mem(struct sm501fb_info *inf, struct sm501_mem *mem, case SM501_MEMF_ACCEL: fbi = inf->fb[HEAD_CRT]; - ptr = fbi ? fbi->fix.smem_len : 0; + ptr = fbi ? smem_len : 0; fbi = inf->fb[HEAD_PANEL]; if (fbi) { @@ -413,6 +413,7 @@ static int sm501fb_set_par_common(struct fb_info *info, unsigned int mem_type; unsigned int clock_type; unsigned int head_addr; + unsigned int smem_len; dev_dbg(fbi->dev, "%s: %dx%d, bpp = %d, virtual %dx%d\n", __func__, var->xres, var->yres, var->bits_per_pixel, @@ -453,18 +454,20 @@ static int sm501fb_set_par_common(struct fb_info *info, /* allocate fb memory within 501 */ info->fix.line_length = (var->xres_virtual * var->bits_per_pixel)/8; - info->fix.smem_len = info->fix.line_length * var->yres_virtual; + smem_len = info->fix.line_length * var->yres_virtual; dev_dbg(fbi->dev, "%s: line length = %u\n", __func__, info->fix.line_length); - if (sm501_alloc_mem(fbi, &par->screen, mem_type, - info->fix.smem_len)) { + if (sm501_alloc_mem(fbi, &par->screen, mem_type, smem_len, smem_len)) { dev_err(fbi->dev, "no memory available\n"); return -ENOMEM; } + mutex_lock(&info->mm_lock); info->fix.smem_start = fbi->fbmem_res->start + par->screen.sm_addr; + info->fix.smem_len = smem_len; + mutex_unlock(&info->mm_lock); info->screen_base = fbi->fbmem + par->screen.sm_addr; info->screen_size = info->fix.smem_len; @@ -637,7 +640,8 @@ static int sm501fb_set_par_crt(struct fb_info *info) if ((control & SM501_DC_CRT_CONTROL_SEL) == 0) { /* the head is displaying panel data... */ - sm501_alloc_mem(fbi, &par->screen, SM501_MEMF_CRT, 0); + sm501_alloc_mem(fbi, &par->screen, SM501_MEMF_CRT, 0, + info->fix.smem_len); goto out_update; } @@ -1289,7 +1293,8 @@ static int sm501_init_cursor(struct fb_info *fbi, unsigned int reg_base) par->cursor_regs = info->regs + reg_base; - ret = sm501_alloc_mem(info, &par->cursor, SM501_MEMF_CURSOR, 1024); + ret = sm501_alloc_mem(info, &par->cursor, SM501_MEMF_CURSOR, 1024, + fbi->fix.smem_len); if (ret < 0) return ret; diff --git a/drivers/video/w100fb.c b/drivers/video/w100fb.c index d0674f1..8a141c2 100644 --- a/drivers/video/w100fb.c +++ b/drivers/video/w100fb.c @@ -523,6 +523,7 @@ static int w100fb_set_par(struct fb_info *info) info->fix.ywrapstep = 0; info->fix.line_length = par->xres * BITS_PER_PIXEL / 8; + mutex_lock(&info->mm_lock); if ((par->xres*par->yres*BITS_PER_PIXEL/8) > (MEM_INT_SIZE+1)) { par->extmem_active = 1; info->fix.smem_len = par->mach->mem->size+1; @@ -530,6 +531,7 @@ static int w100fb_set_par(struct fb_info *info) par->extmem_active = 0; info->fix.smem_len = MEM_INT_SIZE+1; } + mutex_unlock(&info->mm_lock); w100fb_activate_var(par); } diff --git a/drivers/vlynq/Kconfig b/drivers/vlynq/Kconfig index f654221..a9efb16 100644 --- a/drivers/vlynq/Kconfig +++ b/drivers/vlynq/Kconfig @@ -13,7 +13,7 @@ config VLYNQ config VLYNQ_DEBUG bool "VLYNQ bus debug" - depends on VLYNQ && KERNEL_DEBUG + depends on VLYNQ && DEBUG_KERNEL help Turn on VLYNQ bus debugging. diff --git a/drivers/vlynq/vlynq.c b/drivers/vlynq/vlynq.c index 7335433..f05d2a3 100644 --- a/drivers/vlynq/vlynq.c +++ b/drivers/vlynq/vlynq.c @@ -76,7 +76,7 @@ struct vlynq_regs { u32 int_device[8]; }; -#ifdef VLYNQ_DEBUG +#ifdef CONFIG_VLYNQ_DEBUG static void vlynq_dump_regs(struct vlynq_device *dev) { int i; diff --git a/fs/afs/flock.c b/fs/afs/flock.c index 210acaf..3ff8bdd 100644 --- a/fs/afs/flock.c +++ b/fs/afs/flock.c @@ -432,7 +432,6 @@ vfs_rejected_lock: list_del_init(&fl->fl_u.afs.link); if (list_empty(&vnode->granted_locks)) afs_defer_unlock(vnode, key); - spin_unlock(&vnode->lock); goto abort_attempt; } @@ -485,6 +485,8 @@ static inline void really_put_req(struct kioctx *ctx, struct kiocb *req) { assert_spin_locked(&ctx->ctx_lock); + if (req->ki_eventfd != NULL) + eventfd_ctx_put(req->ki_eventfd); if (req->ki_dtor) req->ki_dtor(req); if (req->ki_iovec != &req->ki_inline_vec) @@ -509,8 +511,6 @@ static void aio_fput_routine(struct work_struct *data) /* Complete the fput(s) */ if (req->ki_filp != NULL) __fput(req->ki_filp); - if (req->ki_eventfd != NULL) - __fput(req->ki_eventfd); /* Link the iocb into the context's free list */ spin_lock_irq(&ctx->ctx_lock); @@ -528,8 +528,6 @@ static void aio_fput_routine(struct work_struct *data) */ static int __aio_put_req(struct kioctx *ctx, struct kiocb *req) { - int schedule_putreq = 0; - dprintk(KERN_DEBUG "aio_put(%p): f_count=%ld\n", req, atomic_long_read(&req->ki_filp->f_count)); @@ -549,24 +547,16 @@ static int __aio_put_req(struct kioctx *ctx, struct kiocb *req) * we would not be holding the last reference to the file*, so * this function will be executed w/out any aio kthread wakeup. */ - if (unlikely(atomic_long_dec_and_test(&req->ki_filp->f_count))) - schedule_putreq++; - else - req->ki_filp = NULL; - if (req->ki_eventfd != NULL) { - if (unlikely(atomic_long_dec_and_test(&req->ki_eventfd->f_count))) - schedule_putreq++; - else - req->ki_eventfd = NULL; - } - if (unlikely(schedule_putreq)) { + if (unlikely(atomic_long_dec_and_test(&req->ki_filp->f_count))) { get_ioctx(ctx); spin_lock(&fput_lock); list_add(&req->ki_list, &fput_head); spin_unlock(&fput_lock); queue_work(aio_wq, &fput_work); - } else + } else { + req->ki_filp = NULL; really_put_req(ctx, req); + } return 1; } @@ -1622,7 +1612,7 @@ static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb, * an eventfd() fd, and will be signaled for each completed * event using the eventfd_signal() function. */ - req->ki_eventfd = eventfd_fget((int) iocb->aio_resfd); + req->ki_eventfd = eventfd_ctx_fdget((int) iocb->aio_resfd); if (IS_ERR(req->ki_eventfd)) { ret = PTR_ERR(req->ki_eventfd); req->ki_eventfd = NULL; diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 9fa212b..b7c1603 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -1522,11 +1522,11 @@ static int fill_note_info(struct elfhdr *elf, int phdrs, info->thread = NULL; psinfo = kmalloc(sizeof(*psinfo), GFP_KERNEL); - fill_note(&info->psinfo, "CORE", NT_PRPSINFO, sizeof(*psinfo), psinfo); - if (psinfo == NULL) return 0; + fill_note(&info->psinfo, "CORE", NT_PRPSINFO, sizeof(*psinfo), psinfo); + /* * Figure out how many notes we're going to need for each thread. */ @@ -1929,7 +1929,10 @@ static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file, un elf = kmalloc(sizeof(*elf), GFP_KERNEL); if (!elf) goto out; - + /* + * The number of segs are recored into ELF header as 16bit value. + * Please check DEFAULT_MAX_MAP_COUNT definition when you modify here. + */ segs = current->mm->map_count; #ifdef ELF_CORE_EXTRA_PHDRS segs += ELF_CORE_EXTRA_PHDRS; diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c index 31c46a2..49a34e7 100644 --- a/fs/bio-integrity.c +++ b/fs/bio-integrity.c @@ -1,7 +1,7 @@ /* * bio-integrity.c - bio data integrity extensions * - * Copyright (C) 2007, 2008 Oracle Corporation + * Copyright (C) 2007, 2008, 2009 Oracle Corporation * Written by: Martin K. Petersen <martin.petersen@oracle.com> * * This program is free software; you can redistribute it and/or @@ -25,63 +25,121 @@ #include <linux/bio.h> #include <linux/workqueue.h> -static struct kmem_cache *bio_integrity_slab __read_mostly; -static mempool_t *bio_integrity_pool; -static struct bio_set *integrity_bio_set; +struct integrity_slab { + struct kmem_cache *slab; + unsigned short nr_vecs; + char name[8]; +}; + +#define IS(x) { .nr_vecs = x, .name = "bip-"__stringify(x) } +struct integrity_slab bip_slab[BIOVEC_NR_POOLS] __read_mostly = { + IS(1), IS(4), IS(16), IS(64), IS(128), IS(BIO_MAX_PAGES), +}; +#undef IS + static struct workqueue_struct *kintegrityd_wq; +static inline unsigned int vecs_to_idx(unsigned int nr) +{ + switch (nr) { + case 1: + return 0; + case 2 ... 4: + return 1; + case 5 ... 16: + return 2; + case 17 ... 64: + return 3; + case 65 ... 128: + return 4; + case 129 ... BIO_MAX_PAGES: + return 5; + default: + BUG(); + } +} + +static inline int use_bip_pool(unsigned int idx) +{ + if (idx == BIOVEC_NR_POOLS) + return 1; + + return 0; +} + /** - * bio_integrity_alloc - Allocate integrity payload and attach it to bio + * bio_integrity_alloc_bioset - Allocate integrity payload and attach it to bio * @bio: bio to attach integrity metadata to * @gfp_mask: Memory allocation mask * @nr_vecs: Number of integrity metadata scatter-gather elements + * @bs: bio_set to allocate from * * Description: This function prepares a bio for attaching integrity * metadata. nr_vecs specifies the maximum number of pages containing * integrity metadata that can be attached. */ -struct bio_integrity_payload *bio_integrity_alloc(struct bio *bio, - gfp_t gfp_mask, - unsigned int nr_vecs) +struct bio_integrity_payload *bio_integrity_alloc_bioset(struct bio *bio, + gfp_t gfp_mask, + unsigned int nr_vecs, + struct bio_set *bs) { struct bio_integrity_payload *bip; - struct bio_vec *iv; - unsigned long idx; + unsigned int idx = vecs_to_idx(nr_vecs); BUG_ON(bio == NULL); + bip = NULL; - bip = mempool_alloc(bio_integrity_pool, gfp_mask); - if (unlikely(bip == NULL)) { - printk(KERN_ERR "%s: could not alloc bip\n", __func__); - return NULL; - } + /* Lower order allocations come straight from slab */ + if (!use_bip_pool(idx)) + bip = kmem_cache_alloc(bip_slab[idx].slab, gfp_mask); - memset(bip, 0, sizeof(*bip)); + /* Use mempool if lower order alloc failed or max vecs were requested */ + if (bip == NULL) { + bip = mempool_alloc(bs->bio_integrity_pool, gfp_mask); - iv = bvec_alloc_bs(gfp_mask, nr_vecs, &idx, integrity_bio_set); - if (unlikely(iv == NULL)) { - printk(KERN_ERR "%s: could not alloc bip_vec\n", __func__); - mempool_free(bip, bio_integrity_pool); - return NULL; + if (unlikely(bip == NULL)) { + printk(KERN_ERR "%s: could not alloc bip\n", __func__); + return NULL; + } } - bip->bip_pool = idx; - bip->bip_vec = iv; + memset(bip, 0, sizeof(*bip)); + + bip->bip_slab = idx; bip->bip_bio = bio; bio->bi_integrity = bip; return bip; } +EXPORT_SYMBOL(bio_integrity_alloc_bioset); + +/** + * bio_integrity_alloc - Allocate integrity payload and attach it to bio + * @bio: bio to attach integrity metadata to + * @gfp_mask: Memory allocation mask + * @nr_vecs: Number of integrity metadata scatter-gather elements + * + * Description: This function prepares a bio for attaching integrity + * metadata. nr_vecs specifies the maximum number of pages containing + * integrity metadata that can be attached. + */ +struct bio_integrity_payload *bio_integrity_alloc(struct bio *bio, + gfp_t gfp_mask, + unsigned int nr_vecs) +{ + return bio_integrity_alloc_bioset(bio, gfp_mask, nr_vecs, fs_bio_set); +} EXPORT_SYMBOL(bio_integrity_alloc); /** * bio_integrity_free - Free bio integrity payload * @bio: bio containing bip to be freed + * @bs: bio_set this bio was allocated from * * Description: Used to free the integrity portion of a bio. Usually * called from bio_free(). */ -void bio_integrity_free(struct bio *bio) +void bio_integrity_free(struct bio *bio, struct bio_set *bs) { struct bio_integrity_payload *bip = bio->bi_integrity; @@ -92,8 +150,10 @@ void bio_integrity_free(struct bio *bio) && bip->bip_buf != NULL) kfree(bip->bip_buf); - bvec_free_bs(integrity_bio_set, bip->bip_vec, bip->bip_pool); - mempool_free(bip, bio_integrity_pool); + if (use_bip_pool(bip->bip_slab)) + mempool_free(bip, bs->bio_integrity_pool); + else + kmem_cache_free(bip_slab[bip->bip_slab].slab, bip); bio->bi_integrity = NULL; } @@ -114,7 +174,7 @@ int bio_integrity_add_page(struct bio *bio, struct page *page, struct bio_integrity_payload *bip = bio->bi_integrity; struct bio_vec *iv; - if (bip->bip_vcnt >= bvec_nr_vecs(bip->bip_pool)) { + if (bip->bip_vcnt >= bvec_nr_vecs(bip->bip_slab)) { printk(KERN_ERR "%s: bip_vec full\n", __func__); return 0; } @@ -647,8 +707,8 @@ void bio_integrity_split(struct bio *bio, struct bio_pair *bp, int sectors) bp->iv1 = bip->bip_vec[0]; bp->iv2 = bip->bip_vec[0]; - bp->bip1.bip_vec = &bp->iv1; - bp->bip2.bip_vec = &bp->iv2; + bp->bip1.bip_vec[0] = bp->iv1; + bp->bip2.bip_vec[0] = bp->iv2; bp->iv1.bv_len = sectors * bi->tuple_size; bp->iv2.bv_offset += sectors * bi->tuple_size; @@ -667,17 +727,19 @@ EXPORT_SYMBOL(bio_integrity_split); * @bio: New bio * @bio_src: Original bio * @gfp_mask: Memory allocation mask + * @bs: bio_set to allocate bip from * * Description: Called to allocate a bip when cloning a bio */ -int bio_integrity_clone(struct bio *bio, struct bio *bio_src, gfp_t gfp_mask) +int bio_integrity_clone(struct bio *bio, struct bio *bio_src, + gfp_t gfp_mask, struct bio_set *bs) { struct bio_integrity_payload *bip_src = bio_src->bi_integrity; struct bio_integrity_payload *bip; BUG_ON(bip_src == NULL); - bip = bio_integrity_alloc(bio, gfp_mask, bip_src->bip_vcnt); + bip = bio_integrity_alloc_bioset(bio, gfp_mask, bip_src->bip_vcnt, bs); if (bip == NULL) return -EIO; @@ -693,25 +755,43 @@ int bio_integrity_clone(struct bio *bio, struct bio *bio_src, gfp_t gfp_mask) } EXPORT_SYMBOL(bio_integrity_clone); -static int __init bio_integrity_init(void) +int bioset_integrity_create(struct bio_set *bs, int pool_size) { - kintegrityd_wq = create_workqueue("kintegrityd"); + unsigned int max_slab = vecs_to_idx(BIO_MAX_PAGES); + + bs->bio_integrity_pool = + mempool_create_slab_pool(pool_size, bip_slab[max_slab].slab); + if (!bs->bio_integrity_pool) + return -1; + + return 0; +} +EXPORT_SYMBOL(bioset_integrity_create); + +void bioset_integrity_free(struct bio_set *bs) +{ + if (bs->bio_integrity_pool) + mempool_destroy(bs->bio_integrity_pool); +} +EXPORT_SYMBOL(bioset_integrity_free); + +void __init bio_integrity_init(void) +{ + unsigned int i; + + kintegrityd_wq = create_workqueue("kintegrityd"); if (!kintegrityd_wq) panic("Failed to create kintegrityd\n"); - bio_integrity_slab = KMEM_CACHE(bio_integrity_payload, - SLAB_HWCACHE_ALIGN|SLAB_PANIC); + for (i = 0 ; i < BIOVEC_NR_POOLS ; i++) { + unsigned int size; - bio_integrity_pool = mempool_create_slab_pool(BIO_POOL_SIZE, - bio_integrity_slab); - if (!bio_integrity_pool) - panic("bio_integrity: can't allocate bip pool\n"); + size = sizeof(struct bio_integrity_payload) + + bip_slab[i].nr_vecs * sizeof(struct bio_vec); - integrity_bio_set = bioset_create(BIO_POOL_SIZE, 0); - if (!integrity_bio_set) - panic("bio_integrity: can't allocate bio_set\n"); - - return 0; + bip_slab[i].slab = + kmem_cache_create(bip_slab[i].name, size, 0, + SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL); + } } -subsys_initcall(bio_integrity_init); @@ -238,7 +238,7 @@ void bio_free(struct bio *bio, struct bio_set *bs) bvec_free_bs(bs, bio->bi_io_vec, BIO_POOL_IDX(bio)); if (bio_integrity(bio)) - bio_integrity_free(bio); + bio_integrity_free(bio, bs); /* * If we have front padding, adjust the bio pointer before freeing @@ -341,7 +341,7 @@ struct bio *bio_alloc(gfp_t gfp_mask, int nr_iovecs) static void bio_kmalloc_destructor(struct bio *bio) { if (bio_integrity(bio)) - bio_integrity_free(bio); + bio_integrity_free(bio, fs_bio_set); kfree(bio); } @@ -472,7 +472,7 @@ struct bio *bio_clone(struct bio *bio, gfp_t gfp_mask) if (bio_integrity(bio)) { int ret; - ret = bio_integrity_clone(b, bio, gfp_mask); + ret = bio_integrity_clone(b, bio, gfp_mask, fs_bio_set); if (ret < 0) { bio_put(b); @@ -1539,6 +1539,7 @@ void bioset_free(struct bio_set *bs) if (bs->bio_pool) mempool_destroy(bs->bio_pool); + bioset_integrity_free(bs); biovec_free_pools(bs); bio_put_slab(bs); @@ -1579,6 +1580,9 @@ struct bio_set *bioset_create(unsigned int pool_size, unsigned int front_pad) if (!bs->bio_pool) goto bad; + if (bioset_integrity_create(bs, pool_size)) + goto bad; + if (!biovec_create_pools(bs, pool_size)) return bs; @@ -1616,6 +1620,7 @@ static int __init init_bio(void) if (!bio_slabs) panic("bio: can't allocate bios\n"); + bio_integrity_init(); biovec_init_slabs(); fs_bio_set = bioset_create(BIO_POOL_SIZE, 0); diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c index 7f88628..6e4f6c5 100644 --- a/fs/btrfs/async-thread.c +++ b/fs/btrfs/async-thread.c @@ -299,8 +299,8 @@ int btrfs_start_workers(struct btrfs_workers *workers, int num_workers) "btrfs-%s-%d", workers->name, workers->num_workers + i); if (IS_ERR(worker->task)) { - kfree(worker); ret = PTR_ERR(worker->task); + kfree(worker); goto fail; } diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 2779c2f..98a8738 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -2074,8 +2074,7 @@ static inline int btrfs_insert_empty_item(struct btrfs_trans_handle *trans, int btrfs_next_leaf(struct btrfs_root *root, struct btrfs_path *path); int btrfs_prev_leaf(struct btrfs_root *root, struct btrfs_path *path); int btrfs_leaf_free_space(struct btrfs_root *root, struct extent_buffer *leaf); -int btrfs_drop_snapshot(struct btrfs_trans_handle *trans, struct btrfs_root - *root); +int btrfs_drop_snapshot(struct btrfs_root *root, int update_ref); int btrfs_drop_subtree(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct extent_buffer *node, diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index edc7d20..a5aca39 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -990,15 +990,13 @@ static inline int extent_ref_type(u64 parent, u64 owner) return type; } -static int find_next_key(struct btrfs_path *path, struct btrfs_key *key) +static int find_next_key(struct btrfs_path *path, int level, + struct btrfs_key *key) { - int level; - BUG_ON(!path->keep_locks); - for (level = 0; level < BTRFS_MAX_LEVEL; level++) { + for (; level < BTRFS_MAX_LEVEL; level++) { if (!path->nodes[level]) break; - btrfs_assert_tree_locked(path->nodes[level]); if (path->slots[level] + 1 >= btrfs_header_nritems(path->nodes[level])) continue; @@ -1158,7 +1156,8 @@ int lookup_inline_extent_backref(struct btrfs_trans_handle *trans, * For simplicity, we just do not add new inline back * ref if there is any kind of item for this block */ - if (find_next_key(path, &key) == 0 && key.objectid == bytenr && + if (find_next_key(path, 0, &key) == 0 && + key.objectid == bytenr && key.type < BTRFS_BLOCK_GROUP_ITEM_KEY) { err = -EAGAIN; goto out; @@ -2697,7 +2696,7 @@ again: printk(KERN_ERR "no space left, need %llu, %llu delalloc bytes" ", %llu bytes_used, %llu bytes_reserved, " - "%llu bytes_pinned, %llu bytes_readonly, %llu may use" + "%llu bytes_pinned, %llu bytes_readonly, %llu may use " "%llu total\n", (unsigned long long)bytes, (unsigned long long)data_sinfo->bytes_delalloc, (unsigned long long)data_sinfo->bytes_used, @@ -4128,6 +4127,7 @@ struct extent_buffer *btrfs_alloc_free_block(struct btrfs_trans_handle *trans, return buf; } +#if 0 int btrfs_drop_leaf_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct extent_buffer *leaf) { @@ -4171,8 +4171,6 @@ int btrfs_drop_leaf_ref(struct btrfs_trans_handle *trans, return 0; } -#if 0 - static noinline int cache_drop_leaf_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_leaf_ref *ref) @@ -4553,262 +4551,471 @@ out: } #endif +struct walk_control { + u64 refs[BTRFS_MAX_LEVEL]; + u64 flags[BTRFS_MAX_LEVEL]; + struct btrfs_key update_progress; + int stage; + int level; + int shared_level; + int update_ref; + int keep_locks; +}; + +#define DROP_REFERENCE 1 +#define UPDATE_BACKREF 2 + /* - * helper function for drop_subtree, this function is similar to - * walk_down_tree. The main difference is that it checks reference - * counts while tree blocks are locked. + * hepler to process tree block while walking down the tree. + * + * when wc->stage == DROP_REFERENCE, this function checks + * reference count of the block. if the block is shared and + * we need update back refs for the subtree rooted at the + * block, this function changes wc->stage to UPDATE_BACKREF + * + * when wc->stage == UPDATE_BACKREF, this function updates + * back refs for pointers in the block. + * + * NOTE: return value 1 means we should stop walking down. */ -static noinline int walk_down_tree(struct btrfs_trans_handle *trans, +static noinline int walk_down_proc(struct btrfs_trans_handle *trans, struct btrfs_root *root, - struct btrfs_path *path, int *level) + struct btrfs_path *path, + struct walk_control *wc) { - struct extent_buffer *next; - struct extent_buffer *cur; - struct extent_buffer *parent; - u64 bytenr; - u64 ptr_gen; - u64 refs; - u64 flags; - u32 blocksize; + int level = wc->level; + struct extent_buffer *eb = path->nodes[level]; + struct btrfs_key key; + u64 flag = BTRFS_BLOCK_FLAG_FULL_BACKREF; int ret; - cur = path->nodes[*level]; - ret = btrfs_lookup_extent_info(trans, root, cur->start, cur->len, - &refs, &flags); - BUG_ON(ret); - if (refs > 1) - goto out; + if (wc->stage == UPDATE_BACKREF && + btrfs_header_owner(eb) != root->root_key.objectid) + return 1; - BUG_ON(!(flags & BTRFS_BLOCK_FLAG_FULL_BACKREF)); + /* + * when reference count of tree block is 1, it won't increase + * again. once full backref flag is set, we never clear it. + */ + if ((wc->stage == DROP_REFERENCE && wc->refs[level] != 1) || + (wc->stage == UPDATE_BACKREF && !(wc->flags[level] & flag))) { + BUG_ON(!path->locks[level]); + ret = btrfs_lookup_extent_info(trans, root, + eb->start, eb->len, + &wc->refs[level], + &wc->flags[level]); + BUG_ON(ret); + BUG_ON(wc->refs[level] == 0); + } - while (*level >= 0) { - cur = path->nodes[*level]; - if (*level == 0) { - ret = btrfs_drop_leaf_ref(trans, root, cur); - BUG_ON(ret); - clean_tree_block(trans, root, cur); - break; - } - if (path->slots[*level] >= btrfs_header_nritems(cur)) { - clean_tree_block(trans, root, cur); - break; + if (wc->stage == DROP_REFERENCE && + wc->update_ref && wc->refs[level] > 1) { + BUG_ON(eb == root->node); + BUG_ON(path->slots[level] > 0); + if (level == 0) + btrfs_item_key_to_cpu(eb, &key, path->slots[level]); + else + btrfs_node_key_to_cpu(eb, &key, path->slots[level]); + if (btrfs_header_owner(eb) == root->root_key.objectid && + btrfs_comp_cpu_keys(&key, &wc->update_progress) >= 0) { + wc->stage = UPDATE_BACKREF; + wc->shared_level = level; } + } - bytenr = btrfs_node_blockptr(cur, path->slots[*level]); - blocksize = btrfs_level_size(root, *level - 1); - ptr_gen = btrfs_node_ptr_generation(cur, path->slots[*level]); + if (wc->stage == DROP_REFERENCE) { + if (wc->refs[level] > 1) + return 1; - next = read_tree_block(root, bytenr, blocksize, ptr_gen); - btrfs_tree_lock(next); - btrfs_set_lock_blocking(next); + if (path->locks[level] && !wc->keep_locks) { + btrfs_tree_unlock(eb); + path->locks[level] = 0; + } + return 0; + } - ret = btrfs_lookup_extent_info(trans, root, bytenr, blocksize, - &refs, &flags); + /* wc->stage == UPDATE_BACKREF */ + if (!(wc->flags[level] & flag)) { + BUG_ON(!path->locks[level]); + ret = btrfs_inc_ref(trans, root, eb, 1); BUG_ON(ret); - if (refs > 1) { - parent = path->nodes[*level]; - ret = btrfs_free_extent(trans, root, bytenr, - blocksize, parent->start, - btrfs_header_owner(parent), - *level - 1, 0); + ret = btrfs_dec_ref(trans, root, eb, 0); + BUG_ON(ret); + ret = btrfs_set_disk_extent_flags(trans, root, eb->start, + eb->len, flag, 0); + BUG_ON(ret); + wc->flags[level] |= flag; + } + + /* + * the block is shared by multiple trees, so it's not good to + * keep the tree lock + */ + if (path->locks[level] && level > 0) { + btrfs_tree_unlock(eb); + path->locks[level] = 0; + } + return 0; +} + +/* + * hepler to process tree block while walking up the tree. + * + * when wc->stage == DROP_REFERENCE, this function drops + * reference count on the block. + * + * when wc->stage == UPDATE_BACKREF, this function changes + * wc->stage back to DROP_REFERENCE if we changed wc->stage + * to UPDATE_BACKREF previously while processing the block. + * + * NOTE: return value 1 means we should stop walking up. + */ +static noinline int walk_up_proc(struct btrfs_trans_handle *trans, + struct btrfs_root *root, + struct btrfs_path *path, + struct walk_control *wc) +{ + int ret = 0; + int level = wc->level; + struct extent_buffer *eb = path->nodes[level]; + u64 parent = 0; + + if (wc->stage == UPDATE_BACKREF) { + BUG_ON(wc->shared_level < level); + if (level < wc->shared_level) + goto out; + + BUG_ON(wc->refs[level] <= 1); + ret = find_next_key(path, level + 1, &wc->update_progress); + if (ret > 0) + wc->update_ref = 0; + + wc->stage = DROP_REFERENCE; + wc->shared_level = -1; + path->slots[level] = 0; + + /* + * check reference count again if the block isn't locked. + * we should start walking down the tree again if reference + * count is one. + */ + if (!path->locks[level]) { + BUG_ON(level == 0); + btrfs_tree_lock(eb); + btrfs_set_lock_blocking(eb); + path->locks[level] = 1; + + ret = btrfs_lookup_extent_info(trans, root, + eb->start, eb->len, + &wc->refs[level], + &wc->flags[level]); BUG_ON(ret); - path->slots[*level]++; - btrfs_tree_unlock(next); - free_extent_buffer(next); - continue; + BUG_ON(wc->refs[level] == 0); + if (wc->refs[level] == 1) { + btrfs_tree_unlock(eb); + path->locks[level] = 0; + return 1; + } + } else { + BUG_ON(level != 0); } + } - BUG_ON(!(flags & BTRFS_BLOCK_FLAG_FULL_BACKREF)); + /* wc->stage == DROP_REFERENCE */ + BUG_ON(wc->refs[level] > 1 && !path->locks[level]); - *level = btrfs_header_level(next); - path->nodes[*level] = next; - path->slots[*level] = 0; - path->locks[*level] = 1; - cond_resched(); + if (wc->refs[level] == 1) { + if (level == 0) { + if (wc->flags[level] & BTRFS_BLOCK_FLAG_FULL_BACKREF) + ret = btrfs_dec_ref(trans, root, eb, 1); + else + ret = btrfs_dec_ref(trans, root, eb, 0); + BUG_ON(ret); + } + /* make block locked assertion in clean_tree_block happy */ + if (!path->locks[level] && + btrfs_header_generation(eb) == trans->transid) { + btrfs_tree_lock(eb); + btrfs_set_lock_blocking(eb); + path->locks[level] = 1; + } + clean_tree_block(trans, root, eb); + } + + if (eb == root->node) { + if (wc->flags[level] & BTRFS_BLOCK_FLAG_FULL_BACKREF) + parent = eb->start; + else + BUG_ON(root->root_key.objectid != + btrfs_header_owner(eb)); + } else { + if (wc->flags[level + 1] & BTRFS_BLOCK_FLAG_FULL_BACKREF) + parent = path->nodes[level + 1]->start; + else + BUG_ON(root->root_key.objectid != + btrfs_header_owner(path->nodes[level + 1])); } -out: - if (path->nodes[*level] == root->node) - parent = path->nodes[*level]; - else - parent = path->nodes[*level + 1]; - bytenr = path->nodes[*level]->start; - blocksize = path->nodes[*level]->len; - ret = btrfs_free_extent(trans, root, bytenr, blocksize, parent->start, - btrfs_header_owner(parent), *level, 0); + ret = btrfs_free_extent(trans, root, eb->start, eb->len, parent, + root->root_key.objectid, level, 0); BUG_ON(ret); +out: + wc->refs[level] = 0; + wc->flags[level] = 0; + return ret; +} + +static noinline int walk_down_tree(struct btrfs_trans_handle *trans, + struct btrfs_root *root, + struct btrfs_path *path, + struct walk_control *wc) +{ + struct extent_buffer *next; + struct extent_buffer *cur; + u64 bytenr; + u64 ptr_gen; + u32 blocksize; + int level = wc->level; + int ret; + + while (level >= 0) { + cur = path->nodes[level]; + BUG_ON(path->slots[level] >= btrfs_header_nritems(cur)); - if (path->locks[*level]) { - btrfs_tree_unlock(path->nodes[*level]); - path->locks[*level] = 0; + ret = walk_down_proc(trans, root, path, wc); + if (ret > 0) + break; + + if (level == 0) + break; + + bytenr = btrfs_node_blockptr(cur, path->slots[level]); + blocksize = btrfs_level_size(root, level - 1); + ptr_gen = btrfs_node_ptr_generation(cur, path->slots[level]); + + next = read_tree_block(root, bytenr, blocksize, ptr_gen); + btrfs_tree_lock(next); + btrfs_set_lock_blocking(next); + + level--; + BUG_ON(level != btrfs_header_level(next)); + path->nodes[level] = next; + path->slots[level] = 0; + path->locks[level] = 1; + wc->level = level; } - free_extent_buffer(path->nodes[*level]); - path->nodes[*level] = NULL; - *level += 1; - cond_resched(); return 0; } -/* - * helper for dropping snapshots. This walks back up the tree in the path - * to find the first node higher up where we haven't yet gone through - * all the slots - */ static noinline int walk_up_tree(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_path *path, - int *level, int max_level) + struct walk_control *wc, int max_level) { - struct btrfs_root_item *root_item = &root->root_item; - int i; - int slot; + int level = wc->level; int ret; - for (i = *level; i < max_level && path->nodes[i]; i++) { - slot = path->slots[i]; - if (slot + 1 < btrfs_header_nritems(path->nodes[i])) { - /* - * there is more work to do in this level. - * Update the drop_progress marker to reflect - * the work we've done so far, and then bump - * the slot number - */ - path->slots[i]++; - WARN_ON(*level == 0); - if (max_level == BTRFS_MAX_LEVEL) { - btrfs_node_key(path->nodes[i], - &root_item->drop_progress, - path->slots[i]); - root_item->drop_level = i; - } - *level = i; + path->slots[level] = btrfs_header_nritems(path->nodes[level]); + while (level < max_level && path->nodes[level]) { + wc->level = level; + if (path->slots[level] + 1 < + btrfs_header_nritems(path->nodes[level])) { + path->slots[level]++; return 0; } else { - struct extent_buffer *parent; - - /* - * this whole node is done, free our reference - * on it and go up one level - */ - if (path->nodes[*level] == root->node) - parent = path->nodes[*level]; - else - parent = path->nodes[*level + 1]; + ret = walk_up_proc(trans, root, path, wc); + if (ret > 0) + return 0; - clean_tree_block(trans, root, path->nodes[i]); - ret = btrfs_free_extent(trans, root, - path->nodes[i]->start, - path->nodes[i]->len, - parent->start, - btrfs_header_owner(parent), - *level, 0); - BUG_ON(ret); - if (path->locks[*level]) { - btrfs_tree_unlock(path->nodes[i]); - path->locks[i] = 0; + if (path->locks[level]) { + btrfs_tree_unlock(path->nodes[level]); + path->locks[level] = 0; } - free_extent_buffer(path->nodes[i]); - path->nodes[i] = NULL; - *level = i + 1; + free_extent_buffer(path->nodes[level]); + path->nodes[level] = NULL; + level++; } } return 1; } /* - * drop the reference count on the tree rooted at 'snap'. This traverses - * the tree freeing any blocks that have a ref count of zero after being - * decremented. + * drop a subvolume tree. + * + * this function traverses the tree freeing any blocks that only + * referenced by the tree. + * + * when a shared tree block is found. this function decreases its + * reference count by one. if update_ref is true, this function + * also make sure backrefs for the shared block and all lower level + * blocks are properly updated. */ -int btrfs_drop_snapshot(struct btrfs_trans_handle *trans, struct btrfs_root - *root) +int btrfs_drop_snapshot(struct btrfs_root *root, int update_ref) { - int ret = 0; - int wret; - int level; struct btrfs_path *path; - int update_count; + struct btrfs_trans_handle *trans; + struct btrfs_root *tree_root = root->fs_info->tree_root; struct btrfs_root_item *root_item = &root->root_item; + struct walk_control *wc; + struct btrfs_key key; + int err = 0; + int ret; + int level; path = btrfs_alloc_path(); BUG_ON(!path); - level = btrfs_header_level(root->node); + wc = kzalloc(sizeof(*wc), GFP_NOFS); + BUG_ON(!wc); + + trans = btrfs_start_transaction(tree_root, 1); + if (btrfs_disk_key_objectid(&root_item->drop_progress) == 0) { + level = btrfs_header_level(root->node); path->nodes[level] = btrfs_lock_root_node(root); btrfs_set_lock_blocking(path->nodes[level]); path->slots[level] = 0; path->locks[level] = 1; + memset(&wc->update_progress, 0, + sizeof(wc->update_progress)); } else { - struct btrfs_key key; - struct btrfs_disk_key found_key; - struct extent_buffer *node; - btrfs_disk_key_to_cpu(&key, &root_item->drop_progress); + memcpy(&wc->update_progress, &key, + sizeof(wc->update_progress)); + level = root_item->drop_level; + BUG_ON(level == 0); path->lowest_level = level; - wret = btrfs_search_slot(NULL, root, &key, path, 0, 0); - if (wret < 0) { - ret = wret; + ret = btrfs_search_slot(NULL, root, &key, path, 0, 0); + path->lowest_level = 0; + if (ret < 0) { + err = ret; goto out; } - node = path->nodes[level]; - btrfs_node_key(node, &found_key, path->slots[level]); - WARN_ON(memcmp(&found_key, &root_item->drop_progress, - sizeof(found_key))); + btrfs_node_key_to_cpu(path->nodes[level], &key, + path->slots[level]); + WARN_ON(memcmp(&key, &wc->update_progress, sizeof(key))); + /* * unlock our path, this is safe because only this * function is allowed to delete this snapshot */ btrfs_unlock_up_safe(path, 0); + + level = btrfs_header_level(root->node); + while (1) { + btrfs_tree_lock(path->nodes[level]); + btrfs_set_lock_blocking(path->nodes[level]); + + ret = btrfs_lookup_extent_info(trans, root, + path->nodes[level]->start, + path->nodes[level]->len, + &wc->refs[level], + &wc->flags[level]); + BUG_ON(ret); + BUG_ON(wc->refs[level] == 0); + + if (level == root_item->drop_level) + break; + + btrfs_tree_unlock(path->nodes[level]); + WARN_ON(wc->refs[level] != 1); + level--; + } } + + wc->level = level; + wc->shared_level = -1; + wc->stage = DROP_REFERENCE; + wc->update_ref = update_ref; + wc->keep_locks = 0; + while (1) { - unsigned long update; - wret = walk_down_tree(trans, root, path, &level); - if (wret > 0) + ret = walk_down_tree(trans, root, path, wc); + if (ret < 0) { + err = ret; break; - if (wret < 0) - ret = wret; + } - wret = walk_up_tree(trans, root, path, &level, - BTRFS_MAX_LEVEL); - if (wret > 0) + ret = walk_up_tree(trans, root, path, wc, BTRFS_MAX_LEVEL); + if (ret < 0) { + err = ret; break; - if (wret < 0) - ret = wret; - if (trans->transaction->in_commit || - trans->transaction->delayed_refs.flushing) { - ret = -EAGAIN; + } + + if (ret > 0) { + BUG_ON(wc->stage != DROP_REFERENCE); break; } - for (update_count = 0; update_count < 16; update_count++) { + + if (wc->stage == DROP_REFERENCE) { + level = wc->level; + btrfs_node_key(path->nodes[level], + &root_item->drop_progress, + path->slots[level]); + root_item->drop_level = level; + } + + BUG_ON(wc->level == 0); + if (trans->transaction->in_commit || + trans->transaction->delayed_refs.flushing) { + ret = btrfs_update_root(trans, tree_root, + &root->root_key, + root_item); + BUG_ON(ret); + + btrfs_end_transaction(trans, tree_root); + trans = btrfs_start_transaction(tree_root, 1); + } else { + unsigned long update; update = trans->delayed_ref_updates; trans->delayed_ref_updates = 0; if (update) - btrfs_run_delayed_refs(trans, root, update); - else - break; + btrfs_run_delayed_refs(trans, tree_root, + update); } } + btrfs_release_path(root, path); + BUG_ON(err); + + ret = btrfs_del_root(trans, tree_root, &root->root_key); + BUG_ON(ret); + + free_extent_buffer(root->node); + free_extent_buffer(root->commit_root); + kfree(root); out: + btrfs_end_transaction(trans, tree_root); + kfree(wc); btrfs_free_path(path); - return ret; + return err; } +/* + * drop subtree rooted at tree block 'node'. + * + * NOTE: this function will unlock and release tree block 'node' + */ int btrfs_drop_subtree(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct extent_buffer *node, struct extent_buffer *parent) { struct btrfs_path *path; + struct walk_control *wc; int level; int parent_level; int ret = 0; int wret; + BUG_ON(root->root_key.objectid != BTRFS_TREE_RELOC_OBJECTID); + path = btrfs_alloc_path(); BUG_ON(!path); + wc = kzalloc(sizeof(*wc), GFP_NOFS); + BUG_ON(!wc); + btrfs_assert_tree_locked(parent); parent_level = btrfs_header_level(parent); extent_buffer_get(parent); @@ -4817,24 +5024,33 @@ int btrfs_drop_subtree(struct btrfs_trans_handle *trans, btrfs_assert_tree_locked(node); level = btrfs_header_level(node); - extent_buffer_get(node); path->nodes[level] = node; path->slots[level] = 0; + path->locks[level] = 1; + + wc->refs[parent_level] = 1; + wc->flags[parent_level] = BTRFS_BLOCK_FLAG_FULL_BACKREF; + wc->level = level; + wc->shared_level = -1; + wc->stage = DROP_REFERENCE; + wc->update_ref = 0; + wc->keep_locks = 1; while (1) { - wret = walk_down_tree(trans, root, path, &level); - if (wret < 0) + wret = walk_down_tree(trans, root, path, wc); + if (wret < 0) { ret = wret; - if (wret != 0) break; + } - wret = walk_up_tree(trans, root, path, &level, parent_level); + wret = walk_up_tree(trans, root, path, wc, parent_level); if (wret < 0) ret = wret; if (wret != 0) break; } + kfree(wc); btrfs_free_path(path); return ret; } diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 126477e..7c3cd24 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -151,7 +151,10 @@ static noinline int dirty_and_release_pages(struct btrfs_trans_handle *trans, } if (end_pos > isize) { i_size_write(inode, end_pos); - btrfs_update_inode(trans, root, inode); + /* we've only changed i_size in ram, and we haven't updated + * the disk i_size. There is no need to log the inode + * at this time. + */ } err = btrfs_end_transaction(trans, root); out_unlock: diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index dbe1aab..7ffa3d3 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -3580,12 +3580,6 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans, owner = 1; BTRFS_I(inode)->block_group = btrfs_find_block_group(root, 0, alloc_hint, owner); - if ((mode & S_IFREG)) { - if (btrfs_test_opt(root, NODATASUM)) - BTRFS_I(inode)->flags |= BTRFS_INODE_NODATASUM; - if (btrfs_test_opt(root, NODATACOW)) - BTRFS_I(inode)->flags |= BTRFS_INODE_NODATACOW; - } key[0].objectid = objectid; btrfs_set_key_type(&key[0], BTRFS_INODE_ITEM_KEY); @@ -3640,6 +3634,13 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans, btrfs_inherit_iflags(inode, dir); + if ((mode & S_IFREG)) { + if (btrfs_test_opt(root, NODATASUM)) + BTRFS_I(inode)->flags |= BTRFS_INODE_NODATASUM; + if (btrfs_test_opt(root, NODATACOW)) + BTRFS_I(inode)->flags |= BTRFS_INODE_NODATACOW; + } + insert_inode_hash(inode); inode_tree_add(inode); return inode; @@ -5082,6 +5083,7 @@ static long btrfs_fallocate(struct inode *inode, int mode, u64 mask = BTRFS_I(inode)->root->sectorsize - 1; struct extent_map *em; struct btrfs_trans_handle *trans; + struct btrfs_root *root; int ret; alloc_start = offset & ~mask; @@ -5100,6 +5102,13 @@ static long btrfs_fallocate(struct inode *inode, int mode, goto out; } + root = BTRFS_I(inode)->root; + + ret = btrfs_check_data_free_space(root, inode, + alloc_end - alloc_start); + if (ret) + goto out; + locked_end = alloc_end - 1; while (1) { struct btrfs_ordered_extent *ordered; @@ -5107,7 +5116,7 @@ static long btrfs_fallocate(struct inode *inode, int mode, trans = btrfs_start_transaction(BTRFS_I(inode)->root, 1); if (!trans) { ret = -EIO; - goto out; + goto out_free; } /* the extent lock is ordered inside the running @@ -5168,6 +5177,8 @@ static long btrfs_fallocate(struct inode *inode, int mode, GFP_NOFS); btrfs_end_transaction(trans, BTRFS_I(inode)->root); +out_free: + btrfs_free_reserved_data_space(root, inode, alloc_end - alloc_start); out: mutex_unlock(&inode->i_mutex); return ret; diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index eff18f5..9f4db84 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1028,7 +1028,8 @@ static long btrfs_ioctl_clone(struct file *file, unsigned long srcfd, struct btrfs_file_extent_item); comp = btrfs_file_extent_compression(leaf, extent); type = btrfs_file_extent_type(leaf, extent); - if (type == BTRFS_FILE_EXTENT_REG) { + if (type == BTRFS_FILE_EXTENT_REG || + type == BTRFS_FILE_EXTENT_PREALLOC) { disko = btrfs_file_extent_disk_bytenr(leaf, extent); diskl = btrfs_file_extent_disk_num_bytes(leaf, @@ -1051,7 +1052,8 @@ static long btrfs_ioctl_clone(struct file *file, unsigned long srcfd, new_key.objectid = inode->i_ino; new_key.offset = key.offset + destoff - off; - if (type == BTRFS_FILE_EXTENT_REG) { + if (type == BTRFS_FILE_EXTENT_REG || + type == BTRFS_FILE_EXTENT_PREALLOC) { ret = btrfs_insert_empty_item(trans, root, path, &new_key, size); if (ret) diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index b23dc20..0083979 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -1788,7 +1788,7 @@ static void merge_func(struct btrfs_work *work) btrfs_end_transaction(trans, root); } - btrfs_drop_dead_root(reloc_root); + btrfs_drop_snapshot(reloc_root, 0); if (atomic_dec_and_test(async->num_pending)) complete(async->done); @@ -2075,9 +2075,6 @@ static int do_relocation(struct btrfs_trans_handle *trans, ret = btrfs_drop_subtree(trans, root, eb, upper->eb); BUG_ON(ret); - - btrfs_tree_unlock(eb); - free_extent_buffer(eb); } if (!lowest) { btrfs_tree_unlock(upper->eb); diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 4e83457..2dbf1c1 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -593,6 +593,7 @@ int btrfs_defrag_root(struct btrfs_root *root, int cacheonly) return 0; } +#if 0 /* * when dropping snapshots, we generate a ton of delayed refs, and it makes * sense not to join the transaction while it is trying to flush the current @@ -681,6 +682,7 @@ int btrfs_drop_dead_root(struct btrfs_root *root) btrfs_btree_balance_dirty(tree_root, nr); return ret; } +#endif /* * new snapshots need to be created at a very specific time in the @@ -1081,7 +1083,7 @@ int btrfs_clean_old_snapshots(struct btrfs_root *root) while (!list_empty(&list)) { root = list_entry(list.next, struct btrfs_root, root_list); list_del_init(&root->root_list); - btrfs_drop_dead_root(root); + btrfs_drop_snapshot(root, 0); } return 0; } diff --git a/fs/compat.c b/fs/compat.c index cdd51a3..fbadb94 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -1486,8 +1486,8 @@ int compat_do_execve(char * filename, if (!bprm) goto out_files; - retval = mutex_lock_interruptible(¤t->cred_guard_mutex); - if (retval < 0) + retval = -ERESTARTNOINTR; + if (mutex_lock_interruptible(¤t->cred_guard_mutex)) goto out_free; current->in_execve = 1; diff --git a/fs/eventfd.c b/fs/eventfd.c index 3f0e197..31d12de 100644 --- a/fs/eventfd.c +++ b/fs/eventfd.c @@ -14,35 +14,44 @@ #include <linux/list.h> #include <linux/spinlock.h> #include <linux/anon_inodes.h> -#include <linux/eventfd.h> #include <linux/syscalls.h> #include <linux/module.h> +#include <linux/kref.h> +#include <linux/eventfd.h> struct eventfd_ctx { + struct kref kref; wait_queue_head_t wqh; /* * Every time that a write(2) is performed on an eventfd, the * value of the __u64 being written is added to "count" and a * wakeup is performed on "wqh". A read(2) will return the "count" * value to userspace, and will reset "count" to zero. The kernel - * size eventfd_signal() also, adds to the "count" counter and + * side eventfd_signal() also, adds to the "count" counter and * issue a wakeup. */ __u64 count; unsigned int flags; }; -/* - * Adds "n" to the eventfd counter "count". Returns "n" in case of - * success, or a value lower then "n" in case of coutner overflow. - * This function is supposed to be called by the kernel in paths - * that do not allow sleeping. In this function we allow the counter - * to reach the ULLONG_MAX value, and we signal this as overflow - * condition by returining a POLLERR to poll(2). +/** + * eventfd_signal - Adds @n to the eventfd counter. + * @ctx: [in] Pointer to the eventfd context. + * @n: [in] Value of the counter to be added to the eventfd internal counter. + * The value cannot be negative. + * + * This function is supposed to be called by the kernel in paths that do not + * allow sleeping. In this function we allow the counter to reach the ULLONG_MAX + * value, and we signal this as overflow condition by returining a POLLERR + * to poll(2). + * + * Returns @n in case of success, a non-negative number lower than @n in case + * of overflow, or the following error codes: + * + * -EINVAL : The value of @n is negative. */ -int eventfd_signal(struct file *file, int n) +int eventfd_signal(struct eventfd_ctx *ctx, int n) { - struct eventfd_ctx *ctx = file->private_data; unsigned long flags; if (n < 0) @@ -59,9 +68,45 @@ int eventfd_signal(struct file *file, int n) } EXPORT_SYMBOL_GPL(eventfd_signal); +static void eventfd_free(struct kref *kref) +{ + struct eventfd_ctx *ctx = container_of(kref, struct eventfd_ctx, kref); + + kfree(ctx); +} + +/** + * eventfd_ctx_get - Acquires a reference to the internal eventfd context. + * @ctx: [in] Pointer to the eventfd context. + * + * Returns: In case of success, returns a pointer to the eventfd context. + */ +struct eventfd_ctx *eventfd_ctx_get(struct eventfd_ctx *ctx) +{ + kref_get(&ctx->kref); + return ctx; +} +EXPORT_SYMBOL_GPL(eventfd_ctx_get); + +/** + * eventfd_ctx_put - Releases a reference to the internal eventfd context. + * @ctx: [in] Pointer to eventfd context. + * + * The eventfd context reference must have been previously acquired either + * with eventfd_ctx_get() or eventfd_ctx_fdget()). + */ +void eventfd_ctx_put(struct eventfd_ctx *ctx) +{ + kref_put(&ctx->kref, eventfd_free); +} +EXPORT_SYMBOL_GPL(eventfd_ctx_put); + static int eventfd_release(struct inode *inode, struct file *file) { - kfree(file->private_data); + struct eventfd_ctx *ctx = file->private_data; + + wake_up_poll(&ctx->wqh, POLLHUP); + eventfd_ctx_put(ctx); return 0; } @@ -185,6 +230,16 @@ static const struct file_operations eventfd_fops = { .write = eventfd_write, }; +/** + * eventfd_fget - Acquire a reference of an eventfd file descriptor. + * @fd: [in] Eventfd file descriptor. + * + * Returns a pointer to the eventfd file structure in case of success, or the + * following error pointer: + * + * -EBADF : Invalid @fd file descriptor. + * -EINVAL : The @fd file descriptor is not an eventfd file. + */ struct file *eventfd_fget(int fd) { struct file *file; @@ -201,6 +256,48 @@ struct file *eventfd_fget(int fd) } EXPORT_SYMBOL_GPL(eventfd_fget); +/** + * eventfd_ctx_fdget - Acquires a reference to the internal eventfd context. + * @fd: [in] Eventfd file descriptor. + * + * Returns a pointer to the internal eventfd context, otherwise the error + * pointers returned by the following functions: + * + * eventfd_fget + */ +struct eventfd_ctx *eventfd_ctx_fdget(int fd) +{ + struct file *file; + struct eventfd_ctx *ctx; + + file = eventfd_fget(fd); + if (IS_ERR(file)) + return (struct eventfd_ctx *) file; + ctx = eventfd_ctx_get(file->private_data); + fput(file); + + return ctx; +} +EXPORT_SYMBOL_GPL(eventfd_ctx_fdget); + +/** + * eventfd_ctx_fileget - Acquires a reference to the internal eventfd context. + * @file: [in] Eventfd file pointer. + * + * Returns a pointer to the internal eventfd context, otherwise the error + * pointer: + * + * -EINVAL : The @fd file descriptor is not an eventfd file. + */ +struct eventfd_ctx *eventfd_ctx_fileget(struct file *file) +{ + if (file->f_op != &eventfd_fops) + return ERR_PTR(-EINVAL); + + return eventfd_ctx_get(file->private_data); +} +EXPORT_SYMBOL_GPL(eventfd_ctx_fileget); + SYSCALL_DEFINE2(eventfd2, unsigned int, count, int, flags) { int fd; @@ -217,6 +314,7 @@ SYSCALL_DEFINE2(eventfd2, unsigned int, count, int, flags) if (!ctx) return -ENOMEM; + kref_init(&ctx->kref); init_waitqueue_head(&ctx->wqh); ctx->count = count; ctx->flags = flags; @@ -1277,8 +1277,8 @@ int do_execve(char * filename, if (!bprm) goto out_files; - retval = mutex_lock_interruptible(¤t->cred_guard_mutex); - if (retval < 0) + retval = -ERESTARTNOINTR; + if (mutex_lock_interruptible(¤t->cred_guard_mutex)) goto out_free; current->in_execve = 1; diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c index 6524eca..e1dedb0 100644 --- a/fs/ext2/namei.c +++ b/fs/ext2/namei.c @@ -66,8 +66,16 @@ static struct dentry *ext2_lookup(struct inode * dir, struct dentry *dentry, str inode = NULL; if (ino) { inode = ext2_iget(dir->i_sb, ino); - if (IS_ERR(inode)) - return ERR_CAST(inode); + if (unlikely(IS_ERR(inode))) { + if (PTR_ERR(inode) == -ESTALE) { + ext2_error(dir->i_sb, __func__, + "deleted inode referenced: %lu", + ino); + return ERR_PTR(-EIO); + } else { + return ERR_CAST(inode); + } + } } return d_splice_alias(inode, dentry); } diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 8fed2ed..f58ecbc 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -849,6 +849,81 @@ err: return err; } +static int fuse_notify_inval_inode(struct fuse_conn *fc, unsigned int size, + struct fuse_copy_state *cs) +{ + struct fuse_notify_inval_inode_out outarg; + int err = -EINVAL; + + if (size != sizeof(outarg)) + goto err; + + err = fuse_copy_one(cs, &outarg, sizeof(outarg)); + if (err) + goto err; + fuse_copy_finish(cs); + + down_read(&fc->killsb); + err = -ENOENT; + if (!fc->sb) + goto err_unlock; + + err = fuse_reverse_inval_inode(fc->sb, outarg.ino, + outarg.off, outarg.len); + +err_unlock: + up_read(&fc->killsb); + return err; + +err: + fuse_copy_finish(cs); + return err; +} + +static int fuse_notify_inval_entry(struct fuse_conn *fc, unsigned int size, + struct fuse_copy_state *cs) +{ + struct fuse_notify_inval_entry_out outarg; + int err = -EINVAL; + char buf[FUSE_NAME_MAX+1]; + struct qstr name; + + if (size < sizeof(outarg)) + goto err; + + err = fuse_copy_one(cs, &outarg, sizeof(outarg)); + if (err) + goto err; + + err = -ENAMETOOLONG; + if (outarg.namelen > FUSE_NAME_MAX) + goto err; + + name.name = buf; + name.len = outarg.namelen; + err = fuse_copy_one(cs, buf, outarg.namelen + 1); + if (err) + goto err; + fuse_copy_finish(cs); + buf[outarg.namelen] = 0; + name.hash = full_name_hash(name.name, name.len); + + down_read(&fc->killsb); + err = -ENOENT; + if (!fc->sb) + goto err_unlock; + + err = fuse_reverse_inval_entry(fc->sb, outarg.parent, &name); + +err_unlock: + up_read(&fc->killsb); + return err; + +err: + fuse_copy_finish(cs); + return err; +} + static int fuse_notify(struct fuse_conn *fc, enum fuse_notify_code code, unsigned int size, struct fuse_copy_state *cs) { @@ -856,6 +931,12 @@ static int fuse_notify(struct fuse_conn *fc, enum fuse_notify_code code, case FUSE_NOTIFY_POLL: return fuse_notify_poll(fc, size, cs); + case FUSE_NOTIFY_INVAL_INODE: + return fuse_notify_inval_inode(fc, size, cs); + + case FUSE_NOTIFY_INVAL_ENTRY: + return fuse_notify_inval_entry(fc, size, cs); + default: fuse_copy_finish(cs); return -EINVAL; @@ -910,7 +991,7 @@ static ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov, unsigned long nr_segs, loff_t pos) { int err; - unsigned nbytes = iov_length(iov, nr_segs); + size_t nbytes = iov_length(iov, nr_segs); struct fuse_req *req; struct fuse_out_header oh; struct fuse_copy_state cs; diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index b3089a0..e703654 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -375,7 +375,7 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry, int mode, struct fuse_conn *fc = get_fuse_conn(dir); struct fuse_req *req; struct fuse_req *forget_req; - struct fuse_open_in inarg; + struct fuse_create_in inarg; struct fuse_open_out outopen; struct fuse_entry_out outentry; struct fuse_file *ff; @@ -399,15 +399,20 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry, int mode, if (!ff) goto out_put_request; + if (!fc->dont_mask) + mode &= ~current_umask(); + flags &= ~O_NOCTTY; memset(&inarg, 0, sizeof(inarg)); memset(&outentry, 0, sizeof(outentry)); inarg.flags = flags; inarg.mode = mode; + inarg.umask = current_umask(); req->in.h.opcode = FUSE_CREATE; req->in.h.nodeid = get_node_id(dir); req->in.numargs = 2; - req->in.args[0].size = sizeof(inarg); + req->in.args[0].size = fc->minor < 12 ? sizeof(struct fuse_open_in) : + sizeof(inarg); req->in.args[0].value = &inarg; req->in.args[1].size = entry->d_name.len + 1; req->in.args[1].value = entry->d_name.name; @@ -546,12 +551,17 @@ static int fuse_mknod(struct inode *dir, struct dentry *entry, int mode, if (IS_ERR(req)) return PTR_ERR(req); + if (!fc->dont_mask) + mode &= ~current_umask(); + memset(&inarg, 0, sizeof(inarg)); inarg.mode = mode; inarg.rdev = new_encode_dev(rdev); + inarg.umask = current_umask(); req->in.h.opcode = FUSE_MKNOD; req->in.numargs = 2; - req->in.args[0].size = sizeof(inarg); + req->in.args[0].size = fc->minor < 12 ? FUSE_COMPAT_MKNOD_IN_SIZE : + sizeof(inarg); req->in.args[0].value = &inarg; req->in.args[1].size = entry->d_name.len + 1; req->in.args[1].value = entry->d_name.name; @@ -578,8 +588,12 @@ static int fuse_mkdir(struct inode *dir, struct dentry *entry, int mode) if (IS_ERR(req)) return PTR_ERR(req); + if (!fc->dont_mask) + mode &= ~current_umask(); + memset(&inarg, 0, sizeof(inarg)); inarg.mode = mode; + inarg.umask = current_umask(); req->in.h.opcode = FUSE_MKDIR; req->in.numargs = 2; req->in.args[0].size = sizeof(inarg); @@ -845,6 +859,43 @@ int fuse_update_attributes(struct inode *inode, struct kstat *stat, return err; } +int fuse_reverse_inval_entry(struct super_block *sb, u64 parent_nodeid, + struct qstr *name) +{ + int err = -ENOTDIR; + struct inode *parent; + struct dentry *dir; + struct dentry *entry; + + parent = ilookup5(sb, parent_nodeid, fuse_inode_eq, &parent_nodeid); + if (!parent) + return -ENOENT; + + mutex_lock(&parent->i_mutex); + if (!S_ISDIR(parent->i_mode)) + goto unlock; + + err = -ENOENT; + dir = d_find_alias(parent); + if (!dir) + goto unlock; + + entry = d_lookup(dir, name); + dput(dir); + if (!entry) + goto unlock; + + fuse_invalidate_attr(parent); + fuse_invalidate_entry(entry); + dput(entry); + err = 0; + + unlock: + mutex_unlock(&parent->i_mutex); + iput(parent); + return err; +} + /* * Calling into a user-controlled filesystem gives the filesystem * daemon ptrace-like capabilities over the requester process. This diff --git a/fs/fuse/file.c b/fs/fuse/file.c index fce6ce6..cbc4640 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -1922,7 +1922,7 @@ unsigned fuse_file_poll(struct file *file, poll_table *wait) req = fuse_get_req(fc); if (IS_ERR(req)) - return PTR_ERR(req); + return POLLERR; req->in.h.opcode = FUSE_POLL; req->in.h.nodeid = ff->nodeid; diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index aaf2f9f..52b641f 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -446,6 +446,9 @@ struct fuse_conn { /** Do multi-page cached writes */ unsigned big_writes:1; + /** Don't apply umask to creation modes */ + unsigned dont_mask:1; + /** The number of requests waiting for completion */ atomic_t num_waiting; @@ -481,6 +484,12 @@ struct fuse_conn { /** Called on final put */ void (*release)(struct fuse_conn *); + + /** Super block for this connection. */ + struct super_block *sb; + + /** Read/write semaphore to hold when accessing sb. */ + struct rw_semaphore killsb; }; static inline struct fuse_conn *get_fuse_conn_super(struct super_block *sb) @@ -509,6 +518,11 @@ extern const struct file_operations fuse_dev_operations; extern const struct dentry_operations fuse_dentry_operations; /** + * Inode to nodeid comparison. + */ +int fuse_inode_eq(struct inode *inode, void *_nodeidp); + +/** * Get a filled in inode */ struct inode *fuse_iget(struct super_block *sb, u64 nodeid, @@ -708,6 +722,19 @@ void fuse_release_nowrite(struct inode *inode); u64 fuse_get_attr_version(struct fuse_conn *fc); +/** + * File-system tells the kernel to invalidate cache for the given node id. + */ +int fuse_reverse_inval_inode(struct super_block *sb, u64 nodeid, + loff_t offset, loff_t len); + +/** + * File-system tells the kernel to invalidate parent attributes and + * the dentry matching parent/name. + */ +int fuse_reverse_inval_entry(struct super_block *sb, u64 parent_nodeid, + struct qstr *name); + int fuse_do_open(struct fuse_conn *fc, u64 nodeid, struct file *file, bool isdir); ssize_t fuse_direct_io(struct file *file, const char __user *buf, diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index d8673cc..f91ccc4 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -206,7 +206,7 @@ static void fuse_init_inode(struct inode *inode, struct fuse_attr *attr) BUG(); } -static int fuse_inode_eq(struct inode *inode, void *_nodeidp) +int fuse_inode_eq(struct inode *inode, void *_nodeidp) { u64 nodeid = *(u64 *) _nodeidp; if (get_node_id(inode) == nodeid) @@ -257,6 +257,31 @@ struct inode *fuse_iget(struct super_block *sb, u64 nodeid, return inode; } +int fuse_reverse_inval_inode(struct super_block *sb, u64 nodeid, + loff_t offset, loff_t len) +{ + struct inode *inode; + pgoff_t pg_start; + pgoff_t pg_end; + + inode = ilookup5(sb, nodeid, fuse_inode_eq, &nodeid); + if (!inode) + return -ENOENT; + + fuse_invalidate_attr(inode); + if (offset >= 0) { + pg_start = offset >> PAGE_CACHE_SHIFT; + if (len <= 0) + pg_end = -1; + else + pg_end = (offset + len - 1) >> PAGE_CACHE_SHIFT; + invalidate_inode_pages2_range(inode->i_mapping, + pg_start, pg_end); + } + iput(inode); + return 0; +} + static void fuse_umount_begin(struct super_block *sb) { fuse_abort_conn(get_fuse_conn_super(sb)); @@ -480,6 +505,7 @@ void fuse_conn_init(struct fuse_conn *fc) memset(fc, 0, sizeof(*fc)); spin_lock_init(&fc->lock); mutex_init(&fc->inst_mutex); + init_rwsem(&fc->killsb); atomic_set(&fc->count, 1); init_waitqueue_head(&fc->waitq); init_waitqueue_head(&fc->blocked_waitq); @@ -725,6 +751,8 @@ static void process_init_reply(struct fuse_conn *fc, struct fuse_req *req) } if (arg->flags & FUSE_BIG_WRITES) fc->big_writes = 1; + if (arg->flags & FUSE_DONT_MASK) + fc->dont_mask = 1; } else { ra_pages = fc->max_read / PAGE_CACHE_SIZE; fc->no_lock = 1; @@ -748,7 +776,7 @@ static void fuse_send_init(struct fuse_conn *fc, struct fuse_req *req) arg->minor = FUSE_KERNEL_MINOR_VERSION; arg->max_readahead = fc->bdi.ra_pages * PAGE_CACHE_SIZE; arg->flags |= FUSE_ASYNC_READ | FUSE_POSIX_LOCKS | FUSE_ATOMIC_O_TRUNC | - FUSE_EXPORT_SUPPORT | FUSE_BIG_WRITES; + FUSE_EXPORT_SUPPORT | FUSE_BIG_WRITES | FUSE_DONT_MASK; req->in.h.opcode = FUSE_INIT; req->in.numargs = 1; req->in.args[0].size = sizeof(*arg); @@ -860,10 +888,16 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent) fuse_conn_init(fc); fc->dev = sb->s_dev; + fc->sb = sb; err = fuse_bdi_init(fc, sb); if (err) goto err_put_conn; + /* Handle umasking inside the fuse code */ + if (sb->s_flags & MS_POSIXACL) + fc->dont_mask = 1; + sb->s_flags |= MS_POSIXACL; + fc->release = fuse_free_conn; fc->flags = d.flags; fc->user_id = d.user_id; @@ -941,12 +975,25 @@ static int fuse_get_sb(struct file_system_type *fs_type, return get_sb_nodev(fs_type, flags, raw_data, fuse_fill_super, mnt); } +static void fuse_kill_sb_anon(struct super_block *sb) +{ + struct fuse_conn *fc = get_fuse_conn_super(sb); + + if (fc) { + down_write(&fc->killsb); + fc->sb = NULL; + up_write(&fc->killsb); + } + + kill_anon_super(sb); +} + static struct file_system_type fuse_fs_type = { .owner = THIS_MODULE, .name = "fuse", .fs_flags = FS_HAS_SUBTYPE, .get_sb = fuse_get_sb, - .kill_sb = kill_anon_super, + .kill_sb = fuse_kill_sb_anon, }; #ifdef CONFIG_BLOCK @@ -958,11 +1005,24 @@ static int fuse_get_sb_blk(struct file_system_type *fs_type, mnt); } +static void fuse_kill_sb_blk(struct super_block *sb) +{ + struct fuse_conn *fc = get_fuse_conn_super(sb); + + if (fc) { + down_write(&fc->killsb); + fc->sb = NULL; + up_write(&fc->killsb); + } + + kill_block_super(sb); +} + static struct file_system_type fuseblk_fs_type = { .owner = THIS_MODULE, .name = "fuseblk", .get_sb = fuse_get_sb_blk, - .kill_sb = kill_block_super, + .kill_sb = fuse_kill_sb_blk, .fs_flags = FS_REQUIRES_DEV | FS_HAS_SUBTYPE, }; diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index fe02ad4..032604e 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -972,6 +972,7 @@ static int hostfs_fill_sb_common(struct super_block *sb, void *d, int silent) sb->s_blocksize_bits = 10; sb->s_magic = HOSTFS_SUPER_MAGIC; sb->s_op = &hostfs_sbops; + sb->s_maxbytes = MAX_LFS_FILESIZE; /* NULL is printed as <NULL> by sprintf: avoid that. */ if (req_root == NULL) diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c index 7515e73..696686c 100644 --- a/fs/jffs2/scan.c +++ b/fs/jffs2/scan.c @@ -130,9 +130,9 @@ int jffs2_scan_medium(struct jffs2_sb_info *c) if (jffs2_sum_active()) { s = kzalloc(sizeof(struct jffs2_summary), GFP_KERNEL); if (!s) { - kfree(flashbuf); JFFS2_WARNING("Can't allocate memory for summary\n"); - return -ENOMEM; + ret = -ENOMEM; + goto out; } } diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 4145083..23341c1 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -678,7 +678,6 @@ __be32 nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, int type, int access, struct file **filp) { - const struct cred *cred = current_cred(); struct dentry *dentry; struct inode *inode; int flags = O_RDONLY|O_LARGEFILE; @@ -733,7 +732,7 @@ nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, int type, vfs_dq_init(inode); } *filp = dentry_open(dget(dentry), mntget(fhp->fh_export->ex_path.mnt), - flags, cred); + flags, current_cred()); if (IS_ERR(*filp)) host_err = PTR_ERR(*filp); else diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c index ff231ad..ff27a29 100644 --- a/fs/notify/inotify/inotify_user.c +++ b/fs/notify/inotify/inotify_user.c @@ -296,12 +296,15 @@ static int inotify_fasync(int fd, struct file *file, int on) static int inotify_release(struct inode *ignored, struct file *file) { struct fsnotify_group *group = file->private_data; + struct user_struct *user = group->inotify_data.user; fsnotify_clear_marks_by_group(group); /* free this group, matching get was inotify_init->fsnotify_obtain_group */ fsnotify_put_group(group); + atomic_dec(&user->inotify_devs); + return 0; } @@ -112,8 +112,13 @@ restart: mutex_unlock(&mutex); } +/* + * sync everything. Start out by waking pdflush, because that writes back + * all queues in parallel. + */ SYSCALL_DEFINE0(sync) { + wakeup_pdflush(0); sync_filesystems(0); sync_filesystems(1); if (unlikely(laptop_mode)) diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h index d7d50d7..aa00800 100644 --- a/include/asm-generic/percpu.h +++ b/include/asm-generic/percpu.h @@ -97,4 +97,8 @@ extern void setup_per_cpu_areas(void); #define PER_CPU_ATTRIBUTES #endif +#ifndef PER_CPU_DEF_ATTRIBUTES +#define PER_CPU_DEF_ATTRIBUTES +#endif + #endif /* _ASM_GENERIC_PERCPU_H_ */ diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 92b73b6..a553f10 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -191,7 +191,7 @@ . = ALIGN(align); \ *(.data.cacheline_aligned) -#define INIT_TASK(align) \ +#define INIT_TASK_DATA(align) \ . = ALIGN(align); \ *(.data.init_task) @@ -434,14 +434,15 @@ /* * Init task */ -#define INIT_TASK_DATA(align) \ +#define INIT_TASK_DATA_SECTION(align) \ . = ALIGN(align); \ .data.init_task : { \ - INIT_TASK \ + INIT_TASK_DATA(align) \ } #ifdef CONFIG_CONSTRUCTORS -#define KERNEL_CTORS() VMLINUX_SYMBOL(__ctors_start) = .; \ +#define KERNEL_CTORS() . = ALIGN(8); \ + VMLINUX_SYMBOL(__ctors_start) = .; \ *(.ctors) \ VMLINUX_SYMBOL(__ctors_end) = .; #else @@ -704,15 +705,15 @@ * matches the requirment of PAGE_ALIGNED_DATA. * * use 0 as page_align if page_aligned data is not used */ -#define RW_DATA_SECTION(cacheline, nosave, pagealigned, inittask) \ +#define RW_DATA_SECTION(cacheline, pagealigned, inittask) \ . = ALIGN(PAGE_SIZE); \ .data : AT(ADDR(.data) - LOAD_OFFSET) { \ - INIT_TASK(inittask) \ + INIT_TASK_DATA(inittask) \ CACHELINE_ALIGNED_DATA(cacheline) \ READ_MOSTLY_DATA(cacheline) \ DATA_DATA \ CONSTRUCTORS \ - NOSAVE_DATA(nosave) \ + NOSAVE_DATA \ PAGE_ALIGNED_DATA(pagealigned) \ } diff --git a/include/linux/aio.h b/include/linux/aio.h index b16a957..47f7d93 100644 --- a/include/linux/aio.h +++ b/include/linux/aio.h @@ -121,9 +121,9 @@ struct kiocb { /* * If the aio_resfd field of the userspace iocb is not zero, - * this is the underlying file* to deliver event to. + * this is the underlying eventfd context to deliver events to. */ - struct file *ki_eventfd; + struct eventfd_ctx *ki_eventfd; }; #define is_sync_kiocb(iocb) ((iocb)->ki_key == KIOCB_SYNC_KEY) diff --git a/include/linux/bio.h b/include/linux/bio.h index 2a04eb5..2892b71 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -319,7 +319,6 @@ static inline int bio_has_allocated_vec(struct bio *bio) */ struct bio_integrity_payload { struct bio *bip_bio; /* parent bio */ - struct bio_vec *bip_vec; /* integrity data vector */ sector_t bip_sector; /* virtual start sector */ @@ -328,11 +327,12 @@ struct bio_integrity_payload { unsigned int bip_size; - unsigned short bip_pool; /* pool the ivec came from */ + unsigned short bip_slab; /* slab the bip came from */ unsigned short bip_vcnt; /* # of integrity bio_vecs */ unsigned short bip_idx; /* current bip_vec index */ struct work_struct bip_work; /* I/O completion */ + struct bio_vec bip_vec[0]; /* embedded bvec array */ }; #endif /* CONFIG_BLK_DEV_INTEGRITY */ @@ -430,6 +430,9 @@ struct bio_set { unsigned int front_pad; mempool_t *bio_pool; +#if defined(CONFIG_BLK_DEV_INTEGRITY) + mempool_t *bio_integrity_pool; +#endif mempool_t *bvec_pool; }; @@ -634,8 +637,9 @@ static inline struct bio *bio_list_get(struct bio_list *bl) #define bio_integrity(bio) (bio->bi_integrity != NULL) +extern struct bio_integrity_payload *bio_integrity_alloc_bioset(struct bio *, gfp_t, unsigned int, struct bio_set *); extern struct bio_integrity_payload *bio_integrity_alloc(struct bio *, gfp_t, unsigned int); -extern void bio_integrity_free(struct bio *); +extern void bio_integrity_free(struct bio *, struct bio_set *); extern int bio_integrity_add_page(struct bio *, struct page *, unsigned int, unsigned int); extern int bio_integrity_enabled(struct bio *bio); extern int bio_integrity_set_tag(struct bio *, void *, unsigned int); @@ -645,21 +649,27 @@ extern void bio_integrity_endio(struct bio *, int); extern void bio_integrity_advance(struct bio *, unsigned int); extern void bio_integrity_trim(struct bio *, unsigned int, unsigned int); extern void bio_integrity_split(struct bio *, struct bio_pair *, int); -extern int bio_integrity_clone(struct bio *, struct bio *, gfp_t); +extern int bio_integrity_clone(struct bio *, struct bio *, gfp_t, struct bio_set *); +extern int bioset_integrity_create(struct bio_set *, int); +extern void bioset_integrity_free(struct bio_set *); +extern void bio_integrity_init(void); #else /* CONFIG_BLK_DEV_INTEGRITY */ #define bio_integrity(a) (0) +#define bioset_integrity_create(a, b) (0) #define bio_integrity_prep(a) (0) #define bio_integrity_enabled(a) (0) -#define bio_integrity_clone(a, b, c) (0) -#define bio_integrity_free(a) do { } while (0) +#define bio_integrity_clone(a, b, c, d) (0) +#define bioset_integrity_free(a) do { } while (0) +#define bio_integrity_free(a, b) do { } while (0) #define bio_integrity_endio(a, b) do { } while (0) #define bio_integrity_advance(a, b) do { } while (0) #define bio_integrity_trim(a, b, c) do { } while (0) #define bio_integrity_split(a, b, c) do { } while (0) #define bio_integrity_set_tag(a, b, c) do { } while (0) #define bio_integrity_get_tag(a, b, c) do { } while (0) +#define bio_integrity_init(a) do { } while (0) #endif /* CONFIG_BLK_DEV_INTEGRITY */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 8963d91..49ae079 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -301,12 +301,6 @@ struct blk_queue_tag { #define BLK_SCSI_MAX_CMDS (256) #define BLK_SCSI_CMD_PER_LONG (BLK_SCSI_MAX_CMDS / (sizeof(long) * 8)) -struct blk_cmd_filter { - unsigned long read_ok[BLK_SCSI_CMD_PER_LONG]; - unsigned long write_ok[BLK_SCSI_CMD_PER_LONG]; - struct kobject kobj; -}; - struct queue_limits { unsigned long bounce_pfn; unsigned long seg_boundary_mask; @@ -445,7 +439,6 @@ struct request_queue #if defined(CONFIG_BLK_DEV_BSG) struct bsg_class_device bsg_dev; #endif - struct blk_cmd_filter cmd_filter; }; #define QUEUE_FLAG_CLUSTER 0 /* cluster several segments into 1 */ @@ -998,13 +991,7 @@ static inline int sb_issue_discard(struct super_block *sb, return blkdev_issue_discard(sb->s_bdev, block, nr_blocks, GFP_KERNEL); } -/* -* command filter functions -*/ -extern int blk_verify_command(struct blk_cmd_filter *filter, - unsigned char *cmd, fmode_t has_write_perm); -extern void blk_unregister_filter(struct gendisk *disk); -extern void blk_set_cmd_filter_defaults(struct blk_cmd_filter *filter); +extern int blk_verify_command(unsigned char *cmd, fmode_t has_write_perm); #define MAX_PHYS_SEGMENTS 128 #define MAX_HW_SEGMENTS 128 diff --git a/include/linux/elfcore.h b/include/linux/elfcore.h index 7605c5e..03ec167 100644 --- a/include/linux/elfcore.h +++ b/include/linux/elfcore.h @@ -125,6 +125,8 @@ static inline int elf_core_copy_task_regs(struct task_struct *t, elf_gregset_t* #ifdef ELF_CORE_COPY_TASK_REGS return ELF_CORE_COPY_TASK_REGS(t, elfregs); +#else + elf_core_copy_regs(elfregs, task_pt_regs(t)); #endif return 0; } diff --git a/include/linux/eventfd.h b/include/linux/eventfd.h index f45a8ae..3b85ba6 100644 --- a/include/linux/eventfd.h +++ b/include/linux/eventfd.h @@ -8,10 +8,8 @@ #ifndef _LINUX_EVENTFD_H #define _LINUX_EVENTFD_H -#ifdef CONFIG_EVENTFD - -/* For O_CLOEXEC and O_NONBLOCK */ #include <linux/fcntl.h> +#include <linux/file.h> /* * CAREFUL: Check include/asm-generic/fcntl.h when defining @@ -27,16 +25,37 @@ #define EFD_SHARED_FCNTL_FLAGS (O_CLOEXEC | O_NONBLOCK) #define EFD_FLAGS_SET (EFD_SHARED_FCNTL_FLAGS | EFD_SEMAPHORE) +#ifdef CONFIG_EVENTFD + +struct eventfd_ctx *eventfd_ctx_get(struct eventfd_ctx *ctx); +void eventfd_ctx_put(struct eventfd_ctx *ctx); struct file *eventfd_fget(int fd); -int eventfd_signal(struct file *file, int n); +struct eventfd_ctx *eventfd_ctx_fdget(int fd); +struct eventfd_ctx *eventfd_ctx_fileget(struct file *file); +int eventfd_signal(struct eventfd_ctx *ctx, int n); #else /* CONFIG_EVENTFD */ -#define eventfd_fget(fd) ERR_PTR(-ENOSYS) -static inline int eventfd_signal(struct file *file, int n) -{ return 0; } +/* + * Ugly ugly ugly error layer to support modules that uses eventfd but + * pretend to work in !CONFIG_EVENTFD configurations. Namely, AIO. + */ +static inline struct eventfd_ctx *eventfd_ctx_fdget(int fd) +{ + return ERR_PTR(-ENOSYS); +} + +static inline int eventfd_signal(struct eventfd_ctx *ctx, int n) +{ + return -ENOSYS; +} + +static inline void eventfd_ctx_put(struct eventfd_ctx *ctx) +{ + +} -#endif /* CONFIG_EVENTFD */ +#endif #endif /* _LINUX_EVENTFD_H */ diff --git a/include/linux/fb.h b/include/linux/fb.h index dd68358..f847df9 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -819,6 +819,7 @@ struct fb_info { int node; int flags; struct mutex lock; /* Lock for open/release/ioctl funcs */ + struct mutex mm_lock; /* Lock for fb_mmap and smem_* fields */ struct fb_var_screeninfo var; /* Current var */ struct fb_fix_screeninfo fix; /* Current fix */ struct fb_monspecs monspecs; /* Current Monitor specs */ diff --git a/include/linux/firewire.h b/include/linux/firewire.h index 9823946..192d1e43 100644 --- a/include/linux/firewire.h +++ b/include/linux/firewire.h @@ -127,6 +127,7 @@ struct fw_card { struct delayed_work work; int bm_retries; int bm_generation; + __be32 bm_transaction_data[2]; bool broadcast_channel_allocated; u32 broadcast_channel; diff --git a/include/linux/fuse.h b/include/linux/fuse.h index d41ed59..cf593bf 100644 --- a/include/linux/fuse.h +++ b/include/linux/fuse.h @@ -25,6 +25,11 @@ * - add IOCTL message * - add unsolicited notification support * - add POLL message and NOTIFY_POLL notification + * + * 7.12 + * - add umask flag to input argument of open, mknod and mkdir + * - add notification messages for invalidation of inodes and + * directory entries */ #ifndef _LINUX_FUSE_H @@ -36,7 +41,7 @@ #define FUSE_KERNEL_VERSION 7 /** Minor version number of this interface */ -#define FUSE_KERNEL_MINOR_VERSION 11 +#define FUSE_KERNEL_MINOR_VERSION 12 /** The node ID of the root inode */ #define FUSE_ROOT_ID 1 @@ -112,6 +117,7 @@ struct fuse_file_lock { * INIT request/reply flags * * FUSE_EXPORT_SUPPORT: filesystem handles lookups of "." and ".." + * FUSE_DONT_MASK: don't apply umask to file mode on create operations */ #define FUSE_ASYNC_READ (1 << 0) #define FUSE_POSIX_LOCKS (1 << 1) @@ -119,6 +125,7 @@ struct fuse_file_lock { #define FUSE_ATOMIC_O_TRUNC (1 << 3) #define FUSE_EXPORT_SUPPORT (1 << 4) #define FUSE_BIG_WRITES (1 << 5) +#define FUSE_DONT_MASK (1 << 6) /** * CUSE INIT request/reply flags @@ -224,6 +231,8 @@ enum fuse_opcode { enum fuse_notify_code { FUSE_NOTIFY_POLL = 1, + FUSE_NOTIFY_INVAL_INODE = 2, + FUSE_NOTIFY_INVAL_ENTRY = 3, FUSE_NOTIFY_CODE_MAX, }; @@ -262,14 +271,18 @@ struct fuse_attr_out { struct fuse_attr attr; }; +#define FUSE_COMPAT_MKNOD_IN_SIZE 8 + struct fuse_mknod_in { __u32 mode; __u32 rdev; + __u32 umask; + __u32 padding; }; struct fuse_mkdir_in { __u32 mode; - __u32 padding; + __u32 umask; }; struct fuse_rename_in { @@ -301,7 +314,14 @@ struct fuse_setattr_in { struct fuse_open_in { __u32 flags; + __u32 unused; +}; + +struct fuse_create_in { + __u32 flags; __u32 mode; + __u32 umask; + __u32 padding; }; struct fuse_open_out { @@ -508,4 +528,16 @@ struct fuse_dirent { #define FUSE_DIRENT_SIZE(d) \ FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + (d)->namelen) +struct fuse_notify_inval_inode_out { + __u64 ino; + __s64 off; + __s64 len; +}; + +struct fuse_notify_inval_entry_out { + __u64 parent; + __u32 namelen; + __u32 padding; +}; + #endif /* _LINUX_FUSE_H */ diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h index ae3a187..70fdba2 100644 --- a/include/linux/if_ether.h +++ b/include/linux/if_ether.h @@ -78,6 +78,7 @@ #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ #define ETH_P_AOE 0x88A2 /* ATA over Ethernet */ #define ETH_P_TIPC 0x88CA /* TIPC */ +#define ETH_P_1588 0x88F7 /* IEEE 1588 Timesync */ #define ETH_P_FCOE 0x8906 /* Fibre Channel over Ethernet */ #define ETH_P_FIP 0x8914 /* FCoE Initialization Protocol */ #define ETH_P_EDSA 0xDADA /* Ethertype DSA [ NOT AN OFFICIALLY REGISTERED ID ] */ diff --git a/include/linux/init_task.h b/include/linux/init_task.h index 5368fbd..7fc01b1 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -183,5 +183,8 @@ extern struct cred init_cred; LIST_HEAD_INIT(cpu_timers[2]), \ } +/* Attach to the init_task data structure for proper alignment */ +#define __init_task_data __attribute__((__section__(".data.init_task"))) + #endif diff --git a/include/linux/linkage.h b/include/linux/linkage.h index fee9e59..691f591 100644 --- a/include/linux/linkage.h +++ b/include/linux/linkage.h @@ -22,6 +22,15 @@ #define __page_aligned_bss __section(.bss.page_aligned) __aligned(PAGE_SIZE) /* + * For assembly routines. + * + * Note when using these that you must specify the appropriate + * alignment directives yourself + */ +#define __PAGE_ALIGNED_DATA .section ".data.page_aligned", "aw" +#define __PAGE_ALIGNED_BSS .section ".bss.page_aligned", "aw" + +/* * This is used by architectures to keep arguments on the stack * untouched by the compiler by keeping them live until the end. * The argument stack may be owned by the assembly-language diff --git a/include/linux/netfilter/xt_conntrack.h b/include/linux/netfilter/xt_conntrack.h index 3430c77..7ae0533 100644 --- a/include/linux/netfilter/xt_conntrack.h +++ b/include/linux/netfilter/xt_conntrack.h @@ -81,4 +81,17 @@ struct xt_conntrack_mtinfo1 { __u8 state_mask, status_mask; }; +struct xt_conntrack_mtinfo2 { + union nf_inet_addr origsrc_addr, origsrc_mask; + union nf_inet_addr origdst_addr, origdst_mask; + union nf_inet_addr replsrc_addr, replsrc_mask; + union nf_inet_addr repldst_addr, repldst_mask; + __u32 expires_min, expires_max; + __u16 l4proto; + __be16 origsrc_port, origdst_port; + __be16 replsrc_port, repldst_port; + __u16 match_flags, invert_flags; + __u16 state_mask, status_mask; +}; + #endif /*_XT_CONNTRACK_H*/ diff --git a/include/linux/netfilter/xt_osf.h b/include/linux/netfilter/xt_osf.h index fd2272e..18afa49 100644 --- a/include/linux/netfilter/xt_osf.h +++ b/include/linux/netfilter/xt_osf.h @@ -20,6 +20,8 @@ #ifndef _XT_OSF_H #define _XT_OSF_H +#include <linux/types.h> + #define MAXGENRELEN 32 #define XT_OSF_GENRE (1<<0) diff --git a/include/linux/pci.h b/include/linux/pci.h index d304ddf..115fb7b 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1145,7 +1145,7 @@ static inline void pci_set_drvdata(struct pci_dev *pdev, void *data) /* If you want to know what to call your pci_dev, ask this function. * Again, it's a wrapper around the generic device. */ -static inline const char *pci_name(struct pci_dev *pdev) +static inline const char *pci_name(const struct pci_dev *pdev) { return dev_name(&pdev->dev); } diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index a3b0003..73b46b6 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -2645,6 +2645,7 @@ #define PCI_DEVICE_ID_NETMOS_9835 0x9835 #define PCI_DEVICE_ID_NETMOS_9845 0x9845 #define PCI_DEVICE_ID_NETMOS_9855 0x9855 +#define PCI_DEVICE_ID_NETMOS_9901 0x9901 #define PCI_VENDOR_ID_3COM_2 0xa727 diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h index 8f921d7..68438e1 100644 --- a/include/linux/percpu-defs.h +++ b/include/linux/percpu-defs.h @@ -24,7 +24,8 @@ #define DEFINE_PER_CPU_SECTION(type, name, section) \ __attribute__((__section__(PER_CPU_BASE_SECTION section))) \ - PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name + PER_CPU_ATTRIBUTES PER_CPU_DEF_ATTRIBUTES \ + __typeof__(type) per_cpu__##name /* * Variant on the per-CPU variable declaration/definition theme used for diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h index 89698d8..5e970c7 100644 --- a/include/linux/perf_counter.h +++ b/include/linux/perf_counter.h @@ -178,8 +178,10 @@ struct perf_counter_attr { mmap : 1, /* include mmap data */ comm : 1, /* include comm data */ freq : 1, /* use freq, not period */ + inherit_stat : 1, /* per task counts */ + enable_on_exec : 1, /* next exec enables */ - __reserved_1 : 53; + __reserved_1 : 51; __u32 wakeup_events; /* wakeup every n events */ __u32 __reserved_2; @@ -232,6 +234,14 @@ struct perf_counter_mmap_page { __u32 lock; /* seqlock for synchronization */ __u32 index; /* hardware counter identifier */ __s64 offset; /* add to hardware counter value */ + __u64 time_enabled; /* time counter active */ + __u64 time_running; /* time counter on cpu */ + + /* + * Hole for extension of the self monitor capabilities + */ + + __u64 __reserved[123]; /* align to 1k */ /* * Control data for the mmap() data buffer. @@ -253,7 +263,6 @@ struct perf_counter_mmap_page { #define PERF_EVENT_MISC_KERNEL (1 << 0) #define PERF_EVENT_MISC_USER (2 << 0) #define PERF_EVENT_MISC_HYPERVISOR (3 << 0) -#define PERF_EVENT_MISC_OVERFLOW (1 << 2) struct perf_event_header { __u32 type; @@ -327,9 +336,18 @@ enum perf_event_type { PERF_EVENT_FORK = 7, /* - * When header.misc & PERF_EVENT_MISC_OVERFLOW the event_type field - * will be PERF_SAMPLE_* - * + * struct { + * struct perf_event_header header; + * u32 pid, tid; + * u64 value; + * { u64 time_enabled; } && PERF_FORMAT_ENABLED + * { u64 time_running; } && PERF_FORMAT_RUNNING + * { u64 parent_id; } && PERF_FORMAT_ID + * }; + */ + PERF_EVENT_READ = 8, + + /* * struct { * struct perf_event_header header; * @@ -337,8 +355,9 @@ enum perf_event_type { * { u32 pid, tid; } && PERF_SAMPLE_TID * { u64 time; } && PERF_SAMPLE_TIME * { u64 addr; } && PERF_SAMPLE_ADDR - * { u64 config; } && PERF_SAMPLE_CONFIG + * { u64 id; } && PERF_SAMPLE_ID * { u32 cpu, res; } && PERF_SAMPLE_CPU + * { u64 period; } && PERF_SAMPLE_PERIOD * * { u64 nr; * { u64 id, val; } cnt[nr]; } && PERF_SAMPLE_GROUP @@ -347,6 +366,9 @@ enum perf_event_type { * u64 ips[nr]; } && PERF_SAMPLE_CALLCHAIN * }; */ + PERF_EVENT_SAMPLE = 9, + + PERF_EVENT_MAX, /* non-ABI */ }; enum perf_callchain_context { @@ -582,6 +604,7 @@ struct perf_counter_context { int nr_counters; int nr_active; int is_active; + int nr_stat; atomic_t refcount; struct task_struct *task; @@ -669,7 +692,16 @@ static inline int is_software_counter(struct perf_counter *counter) (counter->attr.type != PERF_TYPE_HW_CACHE); } -extern void perf_swcounter_event(u32, u64, int, struct pt_regs *, u64); +extern atomic_t perf_swcounter_enabled[PERF_COUNT_SW_MAX]; + +extern void __perf_swcounter_event(u32, u64, int, struct pt_regs *, u64); + +static inline void +perf_swcounter_event(u32 event, u64 nr, int nmi, struct pt_regs *regs, u64 addr) +{ + if (atomic_read(&perf_swcounter_enabled[event])) + __perf_swcounter_event(event, nr, nmi, regs, addr); +} extern void __perf_counter_mmap(struct vm_area_struct *vma); diff --git a/include/linux/sched.h b/include/linux/sched.h index 4d07542..0085d75 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -349,8 +349,20 @@ extern int mutex_spin_on_owner(struct mutex *lock, struct thread_info *owner); struct nsproxy; struct user_namespace; -/* Maximum number of active map areas.. This is a random (large) number */ -#define DEFAULT_MAX_MAP_COUNT 65536 +/* + * Default maximum number of active map areas, this limits the number of vmas + * per mm struct. Users can overwrite this number by sysctl but there is a + * problem. + * + * When a program's coredump is generated as ELF format, a section is created + * per a vma. In ELF, the number of sections is represented in unsigned short. + * This means the number of sections should be smaller than 65535 at coredump. + * Because the kernel adds some informative sections to a image of program at + * generating coredump, we need some margin. The number of extra sections is + * 1-3 now and depends on arch. We use "5" as safe margin, here. + */ +#define MAPCOUNT_ELF_CORE_MARGIN (5) +#define DEFAULT_MAX_MAP_COUNT (USHORT_MAX - MAPCOUNT_ELF_CORE_MARGIN) extern int sysctl_max_map_count; diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 9c4cd27..c47c4b4 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -80,6 +80,8 @@ struct spi_device { #define SPI_LSB_FIRST 0x08 /* per-word bits-on-wire */ #define SPI_3WIRE 0x10 /* SI/SO signals shared */ #define SPI_LOOP 0x20 /* loopback mode */ +#define SPI_NO_CS 0x40 /* 1 dev/bus, no chipselect */ +#define SPI_READY 0x80 /* slave pulls low to pause */ u8 bits_per_word; int irq; void *controller_state; @@ -248,6 +250,10 @@ struct spi_master { /* spi_device.mode flags understood by this controller driver */ u16 mode_bits; + /* other constraints relevant to this driver */ + u16 flags; +#define SPI_MASTER_HALF_DUPLEX BIT(0) /* can't do full duplex */ + /* Setup mode and clock, etc (spi driver may call many times). * * IMPORTANT: this may be called when transfers to another diff --git a/include/linux/spi/spidev.h b/include/linux/spi/spidev.h index 95251cc..bf0570a 100644 --- a/include/linux/spi/spidev.h +++ b/include/linux/spi/spidev.h @@ -40,6 +40,8 @@ #define SPI_LSB_FIRST 0x08 #define SPI_3WIRE 0x10 #define SPI_LOOP 0x20 +#define SPI_NO_CS 0x40 +#define SPI_READY 0x80 /*---------------------------------------------------------------------------*/ diff --git a/include/linux/sysrq.h b/include/linux/sysrq.h index 98a1d8c..99adcdc 100644 --- a/include/linux/sysrq.h +++ b/include/linux/sysrq.h @@ -14,6 +14,8 @@ #ifndef _LINUX_SYSRQ_H #define _LINUX_SYSRQ_H +#include <linux/errno.h> + struct pt_regs; struct tty_struct; diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h index 5d44059..310e18a 100644 --- a/include/linux/usb/usbnet.h +++ b/include/linux/usb/usbnet.h @@ -42,7 +42,6 @@ struct usbnet { /* protocol/interface state */ struct net_device *net; - struct net_device_stats stats; int msg_enable; unsigned long data [5]; u32 xid; diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 8a025d5..95846d9 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -318,6 +318,8 @@ struct v4l2_pix_format { /* see http://www.siliconimaging.com/RGB%20Bayer.htm */ #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ +#define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ + /* * 10bit raw bayer, expanded to 16 bits * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb... diff --git a/include/media/v4l2-chip-ident.h b/include/media/v4l2-chip-ident.h index 4d7e227..11a4a2d 100644 --- a/include/media/v4l2-chip-ident.h +++ b/include/media/v4l2-chip-ident.h @@ -155,6 +155,9 @@ enum { /* module cafe_ccic, just ident 8801 */ V4L2_IDENT_CAFE = 8801, + /* module mt9v011, just ident 8243 */ + V4L2_IDENT_MT9V011 = 8243, + /* module tw9910: just ident 9910 */ V4L2_IDENT_TW9910 = 9910, diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h index a632689..cbdd628 100644 --- a/include/net/netfilter/nf_conntrack.h +++ b/include/net/netfilter/nf_conntrack.h @@ -258,8 +258,8 @@ static inline bool nf_ct_kill(struct nf_conn *ct) /* Update TCP window tracking data when NAT mangles the packet */ extern void nf_conntrack_tcp_update(const struct sk_buff *skb, unsigned int dataoff, - struct nf_conn *ct, - int dir); + struct nf_conn *ct, int dir, + s16 offset); /* Fake conntrack entry for untracked connections */ extern struct nf_conn nf_conntrack_untracked; diff --git a/kernel/acct.c b/kernel/acct.c index 7afa315..9f33910 100644 --- a/kernel/acct.c +++ b/kernel/acct.c @@ -215,6 +215,7 @@ static void acct_file_reopen(struct bsd_acct_struct *acct, struct file *file, static int acct_on(char *name) { struct file *file; + struct vfsmount *mnt; int error; struct pid_namespace *ns; struct bsd_acct_struct *acct = NULL; @@ -256,11 +257,12 @@ static int acct_on(char *name) acct = NULL; } - mnt_pin(file->f_path.mnt); + mnt = file->f_path.mnt; + mnt_pin(mnt); acct_file_reopen(ns->bacct, file, ns); spin_unlock(&acct_lock); - mntput(file->f_path.mnt); /* it's pinned, now give up active reference */ + mntput(mnt); /* it's pinned, now give up active reference */ kfree(acct); return 0; diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c index 1a933a2..a641eb7 100644 --- a/kernel/perf_counter.c +++ b/kernel/perf_counter.c @@ -236,6 +236,8 @@ list_add_counter(struct perf_counter *counter, struct perf_counter_context *ctx) list_add_rcu(&counter->event_entry, &ctx->event_list); ctx->nr_counters++; + if (counter->attr.inherit_stat) + ctx->nr_stat++; } /* @@ -250,6 +252,8 @@ list_del_counter(struct perf_counter *counter, struct perf_counter_context *ctx) if (list_empty(&counter->list_entry)) return; ctx->nr_counters--; + if (counter->attr.inherit_stat) + ctx->nr_stat--; list_del_init(&counter->list_entry); list_del_rcu(&counter->event_entry); @@ -1006,6 +1010,81 @@ static int context_equiv(struct perf_counter_context *ctx1, && !ctx1->pin_count && !ctx2->pin_count; } +static void __perf_counter_read(void *counter); + +static void __perf_counter_sync_stat(struct perf_counter *counter, + struct perf_counter *next_counter) +{ + u64 value; + + if (!counter->attr.inherit_stat) + return; + + /* + * Update the counter value, we cannot use perf_counter_read() + * because we're in the middle of a context switch and have IRQs + * disabled, which upsets smp_call_function_single(), however + * we know the counter must be on the current CPU, therefore we + * don't need to use it. + */ + switch (counter->state) { + case PERF_COUNTER_STATE_ACTIVE: + __perf_counter_read(counter); + break; + + case PERF_COUNTER_STATE_INACTIVE: + update_counter_times(counter); + break; + + default: + break; + } + + /* + * In order to keep per-task stats reliable we need to flip the counter + * values when we flip the contexts. + */ + value = atomic64_read(&next_counter->count); + value = atomic64_xchg(&counter->count, value); + atomic64_set(&next_counter->count, value); + + swap(counter->total_time_enabled, next_counter->total_time_enabled); + swap(counter->total_time_running, next_counter->total_time_running); + + /* + * Since we swizzled the values, update the user visible data too. + */ + perf_counter_update_userpage(counter); + perf_counter_update_userpage(next_counter); +} + +#define list_next_entry(pos, member) \ + list_entry(pos->member.next, typeof(*pos), member) + +static void perf_counter_sync_stat(struct perf_counter_context *ctx, + struct perf_counter_context *next_ctx) +{ + struct perf_counter *counter, *next_counter; + + if (!ctx->nr_stat) + return; + + counter = list_first_entry(&ctx->event_list, + struct perf_counter, event_entry); + + next_counter = list_first_entry(&next_ctx->event_list, + struct perf_counter, event_entry); + + while (&counter->event_entry != &ctx->event_list && + &next_counter->event_entry != &next_ctx->event_list) { + + __perf_counter_sync_stat(counter, next_counter); + + counter = list_next_entry(counter, event_entry); + next_counter = list_next_entry(counter, event_entry); + } +} + /* * Called from scheduler to remove the counters of the current task, * with interrupts disabled. @@ -1061,6 +1140,8 @@ void perf_counter_task_sched_out(struct task_struct *task, ctx->task = next; next_ctx->task = task; do_switch = 0; + + perf_counter_sync_stat(ctx, next_ctx); } spin_unlock(&next_ctx->lock); spin_unlock(&ctx->lock); @@ -1348,9 +1429,56 @@ void perf_counter_task_tick(struct task_struct *curr, int cpu) } /* + * Enable all of a task's counters that have been marked enable-on-exec. + * This expects task == current. + */ +static void perf_counter_enable_on_exec(struct task_struct *task) +{ + struct perf_counter_context *ctx; + struct perf_counter *counter; + unsigned long flags; + int enabled = 0; + + local_irq_save(flags); + ctx = task->perf_counter_ctxp; + if (!ctx || !ctx->nr_counters) + goto out; + + __perf_counter_task_sched_out(ctx); + + spin_lock(&ctx->lock); + + list_for_each_entry(counter, &ctx->counter_list, list_entry) { + if (!counter->attr.enable_on_exec) + continue; + counter->attr.enable_on_exec = 0; + if (counter->state >= PERF_COUNTER_STATE_INACTIVE) + continue; + counter->state = PERF_COUNTER_STATE_INACTIVE; + counter->tstamp_enabled = + ctx->time - counter->total_time_enabled; + enabled = 1; + } + + /* + * Unclone this context if we enabled any counter. + */ + if (enabled && ctx->parent_ctx) { + put_ctx(ctx->parent_ctx); + ctx->parent_ctx = NULL; + } + + spin_unlock(&ctx->lock); + + perf_counter_task_sched_in(task, smp_processor_id()); + out: + local_irq_restore(flags); +} + +/* * Cross CPU call to read the hardware counter */ -static void __read(void *info) +static void __perf_counter_read(void *info) { struct perf_counter *counter = info; struct perf_counter_context *ctx = counter->ctx; @@ -1372,7 +1500,7 @@ static u64 perf_counter_read(struct perf_counter *counter) */ if (counter->state == PERF_COUNTER_STATE_ACTIVE) { smp_call_function_single(counter->oncpu, - __read, counter, 1); + __perf_counter_read, counter, 1); } else if (counter->state == PERF_COUNTER_STATE_INACTIVE) { update_counter_times(counter); } @@ -1508,11 +1636,13 @@ static void free_counter(struct perf_counter *counter) { perf_pending_sync(counter); - atomic_dec(&nr_counters); - if (counter->attr.mmap) - atomic_dec(&nr_mmap_counters); - if (counter->attr.comm) - atomic_dec(&nr_comm_counters); + if (!counter->parent) { + atomic_dec(&nr_counters); + if (counter->attr.mmap) + atomic_dec(&nr_mmap_counters); + if (counter->attr.comm) + atomic_dec(&nr_comm_counters); + } if (counter->destroy) counter->destroy(counter); @@ -1751,6 +1881,14 @@ int perf_counter_task_disable(void) return 0; } +static int perf_counter_index(struct perf_counter *counter) +{ + if (counter->state != PERF_COUNTER_STATE_ACTIVE) + return 0; + + return counter->hw.idx + 1 - PERF_COUNTER_INDEX_OFFSET; +} + /* * Callers need to ensure there can be no nesting of this function, otherwise * the seqlock logic goes bad. We can not serialize this because the arch @@ -1775,11 +1913,17 @@ void perf_counter_update_userpage(struct perf_counter *counter) preempt_disable(); ++userpg->lock; barrier(); - userpg->index = counter->hw.idx; + userpg->index = perf_counter_index(counter); userpg->offset = atomic64_read(&counter->count); if (counter->state == PERF_COUNTER_STATE_ACTIVE) userpg->offset -= atomic64_read(&counter->hw.prev_count); + userpg->time_enabled = counter->total_time_enabled + + atomic64_read(&counter->child_total_time_enabled); + + userpg->time_running = counter->total_time_running + + atomic64_read(&counter->child_total_time_running); + barrier(); ++userpg->lock; preempt_enable(); @@ -1876,7 +2020,7 @@ fail: static void perf_mmap_free_page(unsigned long addr) { - struct page *page = virt_to_page(addr); + struct page *page = virt_to_page((void *)addr); page->mapping = NULL; __free_page(page); @@ -2483,15 +2627,14 @@ static void perf_counter_output(struct perf_counter *counter, int nmi, u32 cpu, reserved; } cpu_entry; - header.type = 0; + header.type = PERF_EVENT_SAMPLE; header.size = sizeof(header); - header.misc = PERF_EVENT_MISC_OVERFLOW; + header.misc = 0; header.misc |= perf_misc_flags(data->regs); if (sample_type & PERF_SAMPLE_IP) { ip = perf_instruction_pointer(data->regs); - header.type |= PERF_SAMPLE_IP; header.size += sizeof(ip); } @@ -2500,7 +2643,6 @@ static void perf_counter_output(struct perf_counter *counter, int nmi, tid_entry.pid = perf_counter_pid(counter, current); tid_entry.tid = perf_counter_tid(counter, current); - header.type |= PERF_SAMPLE_TID; header.size += sizeof(tid_entry); } @@ -2510,34 +2652,25 @@ static void perf_counter_output(struct perf_counter *counter, int nmi, */ time = sched_clock(); - header.type |= PERF_SAMPLE_TIME; header.size += sizeof(u64); } - if (sample_type & PERF_SAMPLE_ADDR) { - header.type |= PERF_SAMPLE_ADDR; + if (sample_type & PERF_SAMPLE_ADDR) header.size += sizeof(u64); - } - if (sample_type & PERF_SAMPLE_ID) { - header.type |= PERF_SAMPLE_ID; + if (sample_type & PERF_SAMPLE_ID) header.size += sizeof(u64); - } if (sample_type & PERF_SAMPLE_CPU) { - header.type |= PERF_SAMPLE_CPU; header.size += sizeof(cpu_entry); cpu_entry.cpu = raw_smp_processor_id(); } - if (sample_type & PERF_SAMPLE_PERIOD) { - header.type |= PERF_SAMPLE_PERIOD; + if (sample_type & PERF_SAMPLE_PERIOD) header.size += sizeof(u64); - } if (sample_type & PERF_SAMPLE_GROUP) { - header.type |= PERF_SAMPLE_GROUP; header.size += sizeof(u64) + counter->nr_siblings * sizeof(group_entry); } @@ -2547,10 +2680,9 @@ static void perf_counter_output(struct perf_counter *counter, int nmi, if (callchain) { callchain_size = (1 + callchain->nr) * sizeof(u64); - - header.type |= PERF_SAMPLE_CALLCHAIN; header.size += callchain_size; - } + } else + header.size += sizeof(u64); } ret = perf_output_begin(&handle, counter, header.size, nmi, 1); @@ -2601,13 +2733,79 @@ static void perf_counter_output(struct perf_counter *counter, int nmi, } } - if (callchain) - perf_output_copy(&handle, callchain, callchain_size); + if (sample_type & PERF_SAMPLE_CALLCHAIN) { + if (callchain) + perf_output_copy(&handle, callchain, callchain_size); + else { + u64 nr = 0; + perf_output_put(&handle, nr); + } + } perf_output_end(&handle); } /* + * read event + */ + +struct perf_read_event { + struct perf_event_header header; + + u32 pid; + u32 tid; + u64 value; + u64 format[3]; +}; + +static void +perf_counter_read_event(struct perf_counter *counter, + struct task_struct *task) +{ + struct perf_output_handle handle; + struct perf_read_event event = { + .header = { + .type = PERF_EVENT_READ, + .misc = 0, + .size = sizeof(event) - sizeof(event.format), + }, + .pid = perf_counter_pid(counter, task), + .tid = perf_counter_tid(counter, task), + .value = atomic64_read(&counter->count), + }; + int ret, i = 0; + + if (counter->attr.read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) { + event.header.size += sizeof(u64); + event.format[i++] = counter->total_time_enabled; + } + + if (counter->attr.read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) { + event.header.size += sizeof(u64); + event.format[i++] = counter->total_time_running; + } + + if (counter->attr.read_format & PERF_FORMAT_ID) { + u64 id; + + event.header.size += sizeof(u64); + if (counter->parent) + id = counter->parent->id; + else + id = counter->id; + + event.format[i++] = id; + } + + ret = perf_output_begin(&handle, counter, event.header.size, 0, 0); + if (ret) + return; + + perf_output_copy(&handle, &event, event.header.size); + perf_output_end(&handle); +} + +/* * fork tracking */ @@ -2798,6 +2996,9 @@ void perf_counter_comm(struct task_struct *task) { struct perf_comm_event comm_event; + if (task->perf_counter_ctxp) + perf_counter_enable_on_exec(task); + if (!atomic_read(&nr_comm_counters)) return; @@ -3317,8 +3518,8 @@ out: put_cpu_var(perf_cpu_context); } -void -perf_swcounter_event(u32 event, u64 nr, int nmi, struct pt_regs *regs, u64 addr) +void __perf_swcounter_event(u32 event, u64 nr, int nmi, + struct pt_regs *regs, u64 addr) { struct perf_sample_data data = { .regs = regs, @@ -3509,9 +3710,21 @@ static const struct pmu *tp_perf_counter_init(struct perf_counter *counter) } #endif +atomic_t perf_swcounter_enabled[PERF_COUNT_SW_MAX]; + +static void sw_perf_counter_destroy(struct perf_counter *counter) +{ + u64 event = counter->attr.config; + + WARN_ON(counter->parent); + + atomic_dec(&perf_swcounter_enabled[event]); +} + static const struct pmu *sw_perf_counter_init(struct perf_counter *counter) { const struct pmu *pmu = NULL; + u64 event = counter->attr.config; /* * Software counters (currently) can't in general distinguish @@ -3520,7 +3733,7 @@ static const struct pmu *sw_perf_counter_init(struct perf_counter *counter) * to be kernel events, and page faults are never hypervisor * events. */ - switch (counter->attr.config) { + switch (event) { case PERF_COUNT_SW_CPU_CLOCK: pmu = &perf_ops_cpu_clock; @@ -3541,6 +3754,10 @@ static const struct pmu *sw_perf_counter_init(struct perf_counter *counter) case PERF_COUNT_SW_PAGE_FAULTS_MAJ: case PERF_COUNT_SW_CONTEXT_SWITCHES: case PERF_COUNT_SW_CPU_MIGRATIONS: + if (!counter->parent) { + atomic_inc(&perf_swcounter_enabled[event]); + counter->destroy = sw_perf_counter_destroy; + } pmu = &perf_ops_generic; break; } @@ -3556,6 +3773,7 @@ perf_counter_alloc(struct perf_counter_attr *attr, int cpu, struct perf_counter_context *ctx, struct perf_counter *group_leader, + struct perf_counter *parent_counter, gfp_t gfpflags) { const struct pmu *pmu; @@ -3591,6 +3809,8 @@ perf_counter_alloc(struct perf_counter_attr *attr, counter->ctx = ctx; counter->oncpu = -1; + counter->parent = parent_counter; + counter->ns = get_pid_ns(current->nsproxy->pid_ns); counter->id = atomic64_inc_return(&perf_counter_id); @@ -3648,11 +3868,13 @@ done: counter->pmu = pmu; - atomic_inc(&nr_counters); - if (counter->attr.mmap) - atomic_inc(&nr_mmap_counters); - if (counter->attr.comm) - atomic_inc(&nr_comm_counters); + if (!counter->parent) { + atomic_inc(&nr_counters); + if (counter->attr.mmap) + atomic_inc(&nr_mmap_counters); + if (counter->attr.comm) + atomic_inc(&nr_comm_counters); + } return counter; } @@ -3815,7 +4037,7 @@ SYSCALL_DEFINE5(perf_counter_open, } counter = perf_counter_alloc(&attr, cpu, ctx, group_leader, - GFP_KERNEL); + NULL, GFP_KERNEL); ret = PTR_ERR(counter); if (IS_ERR(counter)) goto err_put_context; @@ -3881,7 +4103,8 @@ inherit_counter(struct perf_counter *parent_counter, child_counter = perf_counter_alloc(&parent_counter->attr, parent_counter->cpu, child_ctx, - group_leader, GFP_KERNEL); + group_leader, parent_counter, + GFP_KERNEL); if (IS_ERR(child_counter)) return child_counter; get_ctx(child_ctx); @@ -3904,12 +4127,6 @@ inherit_counter(struct perf_counter *parent_counter, */ add_counter_to_ctx(child_counter, child_ctx); - child_counter->parent = parent_counter; - /* - * inherit into child's child as well: - */ - child_counter->attr.inherit = 1; - /* * Get a reference to the parent filp - we will fput it * when the child counter exits. This is safe to do because @@ -3953,10 +4170,14 @@ static int inherit_group(struct perf_counter *parent_counter, } static void sync_child_counter(struct perf_counter *child_counter, - struct perf_counter *parent_counter) + struct task_struct *child) { + struct perf_counter *parent_counter = child_counter->parent; u64 child_val; + if (child_counter->attr.inherit_stat) + perf_counter_read_event(child_counter, child); + child_val = atomic64_read(&child_counter->count); /* @@ -3985,7 +4206,8 @@ static void sync_child_counter(struct perf_counter *child_counter, static void __perf_counter_exit_task(struct perf_counter *child_counter, - struct perf_counter_context *child_ctx) + struct perf_counter_context *child_ctx, + struct task_struct *child) { struct perf_counter *parent_counter; @@ -3999,7 +4221,7 @@ __perf_counter_exit_task(struct perf_counter *child_counter, * counters need to be zapped - but otherwise linger. */ if (parent_counter) { - sync_child_counter(child_counter, parent_counter); + sync_child_counter(child_counter, child); free_counter(child_counter); } } @@ -4061,7 +4283,7 @@ void perf_counter_exit_task(struct task_struct *child) again: list_for_each_entry_safe(child_counter, tmp, &child_ctx->counter_list, list_entry) - __perf_counter_exit_task(child_counter, child_ctx); + __perf_counter_exit_task(child_counter, child_ctx, child); /* * If the last counter was a group counter, it will have appended all diff --git a/kernel/pid.c b/kernel/pid.c index 31310b5..5fa1db4 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -36,6 +36,7 @@ #include <linux/pid_namespace.h> #include <linux/init_task.h> #include <linux/syscalls.h> +#include <linux/kmemleak.h> #define pid_hashfn(nr, ns) \ hash_long((unsigned long)nr + (unsigned long)ns, pidhash_shift) @@ -512,6 +513,12 @@ void __init pidhash_init(void) pid_hash = alloc_bootmem(pidhash_size * sizeof(*(pid_hash))); if (!pid_hash) panic("Could not alloc pidhash!\n"); + /* + * pid_hash contains references to allocated struct pid objects and it + * must be scanned by kmemleak to avoid false positives. + */ + kmemleak_alloc(pid_hash, pidhash_size * sizeof(*(pid_hash)), 0, + GFP_KERNEL); for (i = 0; i < pidhash_size; i++) INIT_HLIST_HEAD(&pid_hash[i]); } diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 61c78b2..082c320 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -181,8 +181,8 @@ int ptrace_attach(struct task_struct *task) * interference; SUID, SGID and LSM creds get determined differently * under ptrace. */ - retval = mutex_lock_interruptible(&task->cred_guard_mutex); - if (retval < 0) + retval = -ERESTARTNOINTR; + if (mutex_lock_interruptible(&task->cred_guard_mutex)) goto out; task_lock(task); diff --git a/kernel/resource.c b/kernel/resource.c index ac5f3a3..78b0872 100644 --- a/kernel/resource.c +++ b/kernel/resource.c @@ -787,7 +787,7 @@ static int __init reserve_setup(char *str) static struct resource reserve[MAXRESERVE]; for (;;) { - int io_start, io_num; + unsigned int io_start, io_num; int x = reserved; if (get_option (&str, &io_start) != 2) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 4c32b1a..12327b2 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -359,6 +359,18 @@ config DEBUG_KMEMLEAK In order to access the kmemleak file, debugfs needs to be mounted (usually at /sys/kernel/debug). +config DEBUG_KMEMLEAK_EARLY_LOG_SIZE + int "Maximum kmemleak early log entries" + depends on DEBUG_KMEMLEAK + range 200 2000 + default 400 + help + Kmemleak must track all the memory allocations to avoid + reporting false positives. Since memory may be allocated or + freed before kmemleak is initialised, an early log buffer is + used to store these actions. If kmemleak reports "early log + buffer exceeded", please increase this value. + config DEBUG_KMEMLEAK_TEST tristate "Simple test for the kernel memory leak detector" depends on DEBUG_KMEMLEAK diff --git a/mm/dmapool.c b/mm/dmapool.c index b1f0885..3df0637 100644 --- a/mm/dmapool.c +++ b/mm/dmapool.c @@ -86,10 +86,12 @@ show_pools(struct device *dev, struct device_attribute *attr, char *buf) unsigned pages = 0; unsigned blocks = 0; + spin_lock_irq(&pool->lock); list_for_each_entry(page, &pool->page_list, page_list) { pages++; blocks += page->in_use; } + spin_unlock_irq(&pool->lock); /* per-pool info, no real statistics yet */ temp = scnprintf(next, size, "%-16s %4u %4Zu %4Zu %2u\n", diff --git a/mm/filemap.c b/mm/filemap.c index 2239671..ccea3b6 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2272,6 +2272,7 @@ again: pagefault_enable(); flush_dcache_page(page); + mark_page_accessed(page); status = a_ops->write_end(file, mapping, pos, bytes, copied, page, fsdata); if (unlikely(status < 0)) diff --git a/mm/kmemleak.c b/mm/kmemleak.c index c96f2c8..e766e1d 100644 --- a/mm/kmemleak.c +++ b/mm/kmemleak.c @@ -48,10 +48,10 @@ * scanned. This list is only modified during a scanning episode when the * scan_mutex is held. At the end of a scan, the gray_list is always empty. * Note that the kmemleak_object.use_count is incremented when an object is - * added to the gray_list and therefore cannot be freed - * - kmemleak_mutex (mutex): prevents multiple users of the "kmemleak" debugfs - * file together with modifications to the memory scanning parameters - * including the scan_thread pointer + * added to the gray_list and therefore cannot be freed. This mutex also + * prevents multiple users of the "kmemleak" debugfs file together with + * modifications to the memory scanning parameters including the scan_thread + * pointer * * The kmemleak_object structures have a use_count incremented or decremented * using the get_object()/put_object() functions. When the use_count becomes @@ -105,7 +105,6 @@ #define MAX_TRACE 16 /* stack trace length */ #define REPORTS_NR 50 /* maximum number of reported leaks */ #define MSECS_MIN_AGE 5000 /* minimum object age for reporting */ -#define MSECS_SCAN_YIELD 10 /* CPU yielding period */ #define SECS_FIRST_SCAN 60 /* delay before the first scan */ #define SECS_SCAN_WAIT 600 /* subsequent auto scanning delay */ @@ -186,19 +185,16 @@ static atomic_t kmemleak_error = ATOMIC_INIT(0); static unsigned long min_addr = ULONG_MAX; static unsigned long max_addr; -/* used for yielding the CPU to other tasks during scanning */ -static unsigned long next_scan_yield; static struct task_struct *scan_thread; -static unsigned long jiffies_scan_yield; +/* used to avoid reporting of recently allocated objects */ static unsigned long jiffies_min_age; +static unsigned long jiffies_last_scan; /* delay between automatic memory scannings */ static signed long jiffies_scan_wait; /* enables or disables the task stacks scanning */ -static int kmemleak_stack_scan; -/* mutex protecting the memory scanning */ +static int kmemleak_stack_scan = 1; +/* protects the memory scanning, parameters and debug/kmemleak file access */ static DEFINE_MUTEX(scan_mutex); -/* mutex protecting the access to the /sys/kernel/debug/kmemleak file */ -static DEFINE_MUTEX(kmemleak_mutex); /* number of leaks reported (for limitation purposes) */ static int reported_leaks; @@ -235,7 +231,7 @@ struct early_log { }; /* early logging buffer and current position */ -static struct early_log early_log[200]; +static struct early_log early_log[CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE]; static int crt_early_log; static void kmemleak_disable(void); @@ -279,15 +275,6 @@ static int color_gray(const struct kmemleak_object *object) } /* - * Objects are considered referenced if their color is gray and they have not - * been deleted. - */ -static int referenced_object(struct kmemleak_object *object) -{ - return (object->flags & OBJECT_ALLOCATED) && color_gray(object); -} - -/* * Objects are considered unreferenced only if their color is white, they have * not be deleted and have a minimum age to avoid false positives caused by * pointers temporarily stored in CPU registers. @@ -295,42 +282,28 @@ static int referenced_object(struct kmemleak_object *object) static int unreferenced_object(struct kmemleak_object *object) { return (object->flags & OBJECT_ALLOCATED) && color_white(object) && - time_is_before_eq_jiffies(object->jiffies + jiffies_min_age); + time_before_eq(object->jiffies + jiffies_min_age, + jiffies_last_scan); } /* - * Printing of the (un)referenced objects information, either to the seq file - * or to the kernel log. The print_referenced/print_unreferenced functions - * must be called with the object->lock held. + * Printing of the unreferenced objects information to the seq file. The + * print_unreferenced function must be called with the object->lock held. */ -#define print_helper(seq, x...) do { \ - struct seq_file *s = (seq); \ - if (s) \ - seq_printf(s, x); \ - else \ - pr_info(x); \ -} while (0) - -static void print_referenced(struct kmemleak_object *object) -{ - pr_info("referenced object 0x%08lx (size %zu)\n", - object->pointer, object->size); -} - static void print_unreferenced(struct seq_file *seq, struct kmemleak_object *object) { int i; - print_helper(seq, "unreferenced object 0x%08lx (size %zu):\n", - object->pointer, object->size); - print_helper(seq, " comm \"%s\", pid %d, jiffies %lu\n", - object->comm, object->pid, object->jiffies); - print_helper(seq, " backtrace:\n"); + seq_printf(seq, "unreferenced object 0x%08lx (size %zu):\n", + object->pointer, object->size); + seq_printf(seq, " comm \"%s\", pid %d, jiffies %lu\n", + object->comm, object->pid, object->jiffies); + seq_printf(seq, " backtrace:\n"); for (i = 0; i < object->trace_len; i++) { void *ptr = (void *)object->trace[i]; - print_helper(seq, " [<%p>] %pS\n", ptr, ptr); + seq_printf(seq, " [<%p>] %pS\n", ptr, ptr); } } @@ -554,8 +527,10 @@ static void delete_object(unsigned long ptr) write_lock_irqsave(&kmemleak_lock, flags); object = lookup_object(ptr, 0); if (!object) { +#ifdef DEBUG kmemleak_warn("Freeing unknown object at 0x%08lx\n", ptr); +#endif write_unlock_irqrestore(&kmemleak_lock, flags); return; } @@ -571,8 +546,6 @@ static void delete_object(unsigned long ptr) * cannot be freed when it is being scanned. */ spin_lock_irqsave(&object->lock, flags); - if (object->flags & OBJECT_REPORTED) - print_referenced(object); object->flags &= ~OBJECT_ALLOCATED; spin_unlock_irqrestore(&object->lock, flags); put_object(object); @@ -696,7 +669,8 @@ static void log_early(int op_type, const void *ptr, size_t size, struct early_log *log; if (crt_early_log >= ARRAY_SIZE(early_log)) { - kmemleak_stop("Early log buffer exceeded\n"); + pr_warning("Early log buffer exceeded\n"); + kmemleak_disable(); return; } @@ -808,21 +782,6 @@ void kmemleak_no_scan(const void *ptr) EXPORT_SYMBOL(kmemleak_no_scan); /* - * Yield the CPU so that other tasks get a chance to run. The yielding is - * rate-limited to avoid excessive number of calls to the schedule() function - * during memory scanning. - */ -static void scan_yield(void) -{ - might_sleep(); - - if (time_is_before_eq_jiffies(next_scan_yield)) { - schedule(); - next_scan_yield = jiffies + jiffies_scan_yield; - } -} - -/* * Memory scanning is a long process and it needs to be interruptable. This * function checks whether such interrupt condition occured. */ @@ -862,15 +821,6 @@ static void scan_block(void *_start, void *_end, if (scan_should_stop()) break; - /* - * When scanning a memory block with a corresponding - * kmemleak_object, the CPU yielding is handled in the calling - * code since it holds the object->lock to avoid the block - * freeing. - */ - if (!scanned) - scan_yield(); - object = find_and_get_object(pointer, 1); if (!object) continue; @@ -952,6 +902,9 @@ static void kmemleak_scan(void) struct kmemleak_object *object, *tmp; struct task_struct *task; int i; + int new_leaks = 0; + + jiffies_last_scan = jiffies; /* prepare the kmemleak_object's */ rcu_read_lock(); @@ -1033,7 +986,7 @@ static void kmemleak_scan(void) */ object = list_entry(gray_list.next, typeof(*object), gray_list); while (&object->gray_list != &gray_list) { - scan_yield(); + cond_resched(); /* may add new objects to the list */ if (!scan_should_stop()) @@ -1049,6 +1002,32 @@ static void kmemleak_scan(void) object = tmp; } WARN_ON(!list_empty(&gray_list)); + + /* + * If scanning was stopped do not report any new unreferenced objects. + */ + if (scan_should_stop()) + return; + + /* + * Scanning result reporting. + */ + rcu_read_lock(); + list_for_each_entry_rcu(object, &object_list, object_list) { + spin_lock_irqsave(&object->lock, flags); + if (unreferenced_object(object) && + !(object->flags & OBJECT_REPORTED)) { + object->flags |= OBJECT_REPORTED; + new_leaks++; + } + spin_unlock_irqrestore(&object->lock, flags); + } + rcu_read_unlock(); + + if (new_leaks) + pr_info("%d new suspected memory leaks (see " + "/sys/kernel/debug/kmemleak)\n", new_leaks); + } /* @@ -1070,36 +1049,12 @@ static int kmemleak_scan_thread(void *arg) } while (!kthread_should_stop()) { - struct kmemleak_object *object; signed long timeout = jiffies_scan_wait; mutex_lock(&scan_mutex); - kmemleak_scan(); - reported_leaks = 0; - - rcu_read_lock(); - list_for_each_entry_rcu(object, &object_list, object_list) { - unsigned long flags; - - if (reported_leaks >= REPORTS_NR) - break; - spin_lock_irqsave(&object->lock, flags); - if (!(object->flags & OBJECT_REPORTED) && - unreferenced_object(object)) { - print_unreferenced(NULL, object); - object->flags |= OBJECT_REPORTED; - reported_leaks++; - } else if ((object->flags & OBJECT_REPORTED) && - referenced_object(object)) { - print_referenced(object); - object->flags &= ~OBJECT_REPORTED; - } - spin_unlock_irqrestore(&object->lock, flags); - } - rcu_read_unlock(); - mutex_unlock(&scan_mutex); + /* wait before the next scan */ while (timeout && !kthread_should_stop()) timeout = schedule_timeout_interruptible(timeout); @@ -1112,7 +1067,7 @@ static int kmemleak_scan_thread(void *arg) /* * Start the automatic memory scanning thread. This function must be called - * with the kmemleak_mutex held. + * with the scan_mutex held. */ void start_scan_thread(void) { @@ -1127,7 +1082,7 @@ void start_scan_thread(void) /* * Stop the automatic memory scanning thread. This function must be called - * with the kmemleak_mutex held. + * with the scan_mutex held. */ void stop_scan_thread(void) { @@ -1147,10 +1102,8 @@ static void *kmemleak_seq_start(struct seq_file *seq, loff_t *pos) struct kmemleak_object *object; loff_t n = *pos; - if (!n) { - kmemleak_scan(); + if (!n) reported_leaks = 0; - } if (reported_leaks >= REPORTS_NR) return NULL; @@ -1211,11 +1164,10 @@ static int kmemleak_seq_show(struct seq_file *seq, void *v) unsigned long flags; spin_lock_irqsave(&object->lock, flags); - if (!unreferenced_object(object)) - goto out; - print_unreferenced(seq, object); - reported_leaks++; -out: + if ((object->flags & OBJECT_REPORTED) && unreferenced_object(object)) { + print_unreferenced(seq, object); + reported_leaks++; + } spin_unlock_irqrestore(&object->lock, flags); return 0; } @@ -1234,13 +1186,10 @@ static int kmemleak_open(struct inode *inode, struct file *file) if (!atomic_read(&kmemleak_enabled)) return -EBUSY; - ret = mutex_lock_interruptible(&kmemleak_mutex); + ret = mutex_lock_interruptible(&scan_mutex); if (ret < 0) goto out; if (file->f_mode & FMODE_READ) { - ret = mutex_lock_interruptible(&scan_mutex); - if (ret < 0) - goto kmemleak_unlock; ret = seq_open(file, &kmemleak_seq_ops); if (ret < 0) goto scan_unlock; @@ -1249,8 +1198,6 @@ static int kmemleak_open(struct inode *inode, struct file *file) scan_unlock: mutex_unlock(&scan_mutex); -kmemleak_unlock: - mutex_unlock(&kmemleak_mutex); out: return ret; } @@ -1259,11 +1206,9 @@ static int kmemleak_release(struct inode *inode, struct file *file) { int ret = 0; - if (file->f_mode & FMODE_READ) { + if (file->f_mode & FMODE_READ) seq_release(inode, file); - mutex_unlock(&scan_mutex); - } - mutex_unlock(&kmemleak_mutex); + mutex_unlock(&scan_mutex); return ret; } @@ -1278,6 +1223,7 @@ static int kmemleak_release(struct inode *inode, struct file *file) * scan=off - stop the automatic memory scanning thread * scan=... - set the automatic memory scanning period in seconds (0 to * disable it) + * scan - trigger a memory scan */ static ssize_t kmemleak_write(struct file *file, const char __user *user_buf, size_t size, loff_t *ppos) @@ -1315,7 +1261,9 @@ static ssize_t kmemleak_write(struct file *file, const char __user *user_buf, jiffies_scan_wait = msecs_to_jiffies(secs * 1000); start_scan_thread(); } - } else + } else if (strncmp(buf, "scan", 4) == 0) + kmemleak_scan(); + else return -EINVAL; /* ignore the rest of the buffer, only one command at a time */ @@ -1340,11 +1288,9 @@ static int kmemleak_cleanup_thread(void *arg) { struct kmemleak_object *object; - mutex_lock(&kmemleak_mutex); + mutex_lock(&scan_mutex); stop_scan_thread(); - mutex_unlock(&kmemleak_mutex); - mutex_lock(&scan_mutex); rcu_read_lock(); list_for_each_entry_rcu(object, &object_list, object_list) delete_object(object->pointer); @@ -1411,7 +1357,6 @@ void __init kmemleak_init(void) int i; unsigned long flags; - jiffies_scan_yield = msecs_to_jiffies(MSECS_SCAN_YIELD); jiffies_min_age = msecs_to_jiffies(MSECS_MIN_AGE); jiffies_scan_wait = msecs_to_jiffies(SECS_SCAN_WAIT * 1000); @@ -1486,9 +1431,9 @@ static int __init kmemleak_late_init(void) &kmemleak_fops); if (!dentry) pr_warning("Failed to create the debugfs kmemleak file\n"); - mutex_lock(&kmemleak_mutex); + mutex_lock(&scan_mutex); start_scan_thread(); - mutex_unlock(&kmemleak_mutex); + mutex_unlock(&scan_mutex); pr_info("Kernel memory leak detector initialized\n"); @@ -238,6 +238,27 @@ int get_user_pages(struct task_struct *tsk, struct mm_struct *mm, } EXPORT_SYMBOL(get_user_pages); +/** + * follow_pfn - look up PFN at a user virtual address + * @vma: memory mapping + * @address: user virtual address + * @pfn: location to store found PFN + * + * Only IO mappings and raw PFN mappings are allowed. + * + * Returns zero and the pfn at @pfn on success, -ve otherwise. + */ +int follow_pfn(struct vm_area_struct *vma, unsigned long address, + unsigned long *pfn) +{ + if (!(vma->vm_flags & (VM_IO | VM_PFNMAP))) + return -EINVAL; + + *pfn = address >> PAGE_SHIFT; + return 0; +} +EXPORT_SYMBOL(follow_pfn); + DEFINE_RWLOCK(vmlist_lock); struct vm_struct *vmlist; diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 7b0dcea..7687879 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -541,8 +541,11 @@ static void balance_dirty_pages(struct address_space *mapping) * filesystems (i.e. NFS) in which data may have been * written to the server's write cache, but has not yet * been flushed to permanent storage. + * Only move pages to writeback if this bdi is over its + * threshold otherwise wait until the disk writes catch + * up. */ - if (bdi_nr_reclaimable) { + if (bdi_nr_reclaimable > bdi_thresh) { writeback_inodes(&wbc); pages_written += write_chunk - wbc.nr_to_write; get_dirty_limits(&background_thresh, &dirty_thresh, diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 5d714f8..ad7cd1c 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1983,7 +1983,7 @@ void *alloc_pages_exact(size_t size, gfp_t gfp_mask) unsigned long alloc_end = addr + (PAGE_SIZE << order); unsigned long used = addr + PAGE_ALIGN(size); - split_page(virt_to_page(addr), order); + split_page(virt_to_page((void *)addr), order); while (used < alloc_end) { free_page(used); used += PAGE_SIZE; @@ -4032,6 +4032,8 @@ static void __init find_zone_movable_pfns_for_nodes(unsigned long *movable_pfn) int i, nid; unsigned long usable_startpfn; unsigned long kernelcore_node, kernelcore_remaining; + /* save the state before borrow the nodemask */ + nodemask_t saved_node_state = node_states[N_HIGH_MEMORY]; unsigned long totalpages = early_calculate_totalpages(); int usable_nodes = nodes_weight(node_states[N_HIGH_MEMORY]); @@ -4059,7 +4061,7 @@ static void __init find_zone_movable_pfns_for_nodes(unsigned long *movable_pfn) /* If kernelcore was not specified, there is no ZONE_MOVABLE */ if (!required_kernelcore) - return; + goto out; /* usable_startpfn is the lowest possible pfn ZONE_MOVABLE can be at */ find_usable_zone_for_movable(); @@ -4158,6 +4160,10 @@ restart: for (nid = 0; nid < MAX_NUMNODES; nid++) zone_movable_pfn[nid] = roundup(zone_movable_pfn[nid], MAX_ORDER_NR_PAGES); + +out: + /* restore the node_state */ + node_states[N_HIGH_MEMORY] = saved_node_state; } /* Any regular memory on that node ? */ @@ -4242,11 +4248,6 @@ void __init free_area_init_nodes(unsigned long *max_zone_pfn) early_node_map[i].start_pfn, early_node_map[i].end_pfn); - /* - * find_zone_movable_pfns_for_nodes/early_calculate_totalpages init - * that node_mask, clear it at first - */ - nodes_clear(node_states[N_HIGH_MEMORY]); /* Initialise every node */ mminit_verify_pageflags_layout(); setup_nr_node_ids(); @@ -1544,9 +1544,6 @@ void __init kmem_cache_init(void) } g_cpucache_up = EARLY; - - /* Annotate slab for lockdep -- annotate the malloc caches */ - init_lock_keys(); } void __init kmem_cache_init_late(void) @@ -1563,6 +1560,9 @@ void __init kmem_cache_init_late(void) /* Done! */ g_cpucache_up = FULL; + /* Annotate slab for lockdep -- annotate the malloc caches */ + init_lock_keys(); + /* * Register a cpu startup notifier callback that initializes * cpu_cache_get for all new cpus @@ -2547,7 +2547,7 @@ void kmem_cache_destroy(struct kmem_cache *cachep) } if (unlikely(cachep->flags & SLAB_DESTROY_BY_RCU)) - synchronize_rcu(); + rcu_barrier(); __kmem_cache_destroy(cachep); mutex_unlock(&cache_chain_mutex); @@ -595,6 +595,8 @@ EXPORT_SYMBOL(kmem_cache_create); void kmem_cache_destroy(struct kmem_cache *c) { kmemleak_free(c); + if (c->flags & SLAB_DESTROY_BY_RCU) + rcu_barrier(); slob_free(c, sizeof(struct kmem_cache)); } EXPORT_SYMBOL(kmem_cache_destroy); @@ -2595,6 +2595,8 @@ static inline int kmem_cache_close(struct kmem_cache *s) */ void kmem_cache_destroy(struct kmem_cache *s) { + if (s->flags & SLAB_DESTROY_BY_RCU) + rcu_barrier(); down_write(&slub_lock); s->refcount--; if (!s->refcount) { diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c index a2a1814..8c2588e 100644 --- a/net/9p/trans_fd.c +++ b/net/9p/trans_fd.c @@ -735,12 +735,14 @@ static int parse_opts(char *params, struct p9_fd_opts *opts) if (!*p) continue; token = match_token(p, tokens, args); - r = match_int(&args[0], &option); - if (r < 0) { - P9_DPRINTK(P9_DEBUG_ERROR, - "integer field, but no integer?\n"); - ret = r; - continue; + if (token != Opt_err) { + r = match_int(&args[0], &option); + if (r < 0) { + P9_DPRINTK(P9_DEBUG_ERROR, + "integer field, but no integer?\n"); + ret = r; + continue; + } } switch (token) { case Opt_port: diff --git a/net/dsa/mv88e6xxx.c b/net/dsa/mv88e6xxx.c index 4e4d8b5..efe661a 100644 --- a/net/dsa/mv88e6xxx.c +++ b/net/dsa/mv88e6xxx.c @@ -418,7 +418,7 @@ static int mv88e6xxx_stats_wait(struct dsa_switch *ds) int i; for (i = 0; i < 10; i++) { - ret = REG_READ(REG_GLOBAL2, 0x1d); + ret = REG_READ(REG_GLOBAL, 0x1d); if ((ret & 0x8000) == 0) return 0; } diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c index 105ad10..27eda9f 100644 --- a/net/ieee802154/netlink.c +++ b/net/ieee802154/netlink.c @@ -276,6 +276,9 @@ static struct net_device *ieee802154_nl_get_dev(struct genl_info *info) else return NULL; + if (!dev) + return NULL; + if (dev->type != ARPHRD_IEEE802154) { dev_put(dev); return NULL; @@ -521,3 +524,6 @@ static void __exit ieee802154_nl_exit(void) } module_exit(ieee802154_nl_exit); +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("ieee 802.15.4 configuration interface"); + diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c index 8a3881e..c29d75d 100644 --- a/net/ipv4/arp.c +++ b/net/ipv4/arp.c @@ -801,11 +801,8 @@ static int arp_process(struct sk_buff *skb) * cache. */ - /* - * Special case: IPv4 duplicate address detection packet (RFC2131) - * and Gratuitous ARP/ARP Announce. (RFC3927, Section 2.4) - */ - if (sip == 0 || tip == sip) { + /* Special case: IPv4 duplicate address detection packet (RFC2131) */ + if (sip == 0) { if (arp->ar_op == htons(ARPOP_REQUEST) && inet_addr_type(net, tip) == RTN_LOCAL && !arp_ignore(in_dev, sip, tip)) diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 012cf5a..00a54b2 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -1021,6 +1021,9 @@ static void trie_rebalance(struct trie *t, struct tnode *tn) (struct node *)tn, wasfull); tp = node_parent((struct node *) tn); + if (!tp) + rcu_assign_pointer(t->trie, (struct node *)tn); + tnode_free_flush(); if (!tp) break; diff --git a/net/ipv4/netfilter/nf_nat_helper.c b/net/ipv4/netfilter/nf_nat_helper.c index 155c008..09172a6 100644 --- a/net/ipv4/netfilter/nf_nat_helper.c +++ b/net/ipv4/netfilter/nf_nat_helper.c @@ -191,7 +191,8 @@ nf_nat_mangle_tcp_packet(struct sk_buff *skb, ct, ctinfo); /* Tell TCP window tracking about seq change */ nf_conntrack_tcp_update(skb, ip_hdrlen(skb), - ct, CTINFO2DIR(ctinfo)); + ct, CTINFO2DIR(ctinfo), + (int)rep_len - (int)match_len); nf_conntrack_event_cache(IPCT_NATSEQADJ, ct); } @@ -377,6 +378,7 @@ nf_nat_seq_adjust(struct sk_buff *skb, struct tcphdr *tcph; int dir; __be32 newseq, newack; + s16 seqoff, ackoff; struct nf_conn_nat *nat = nfct_nat(ct); struct nf_nat_seq *this_way, *other_way; @@ -390,15 +392,18 @@ nf_nat_seq_adjust(struct sk_buff *skb, tcph = (void *)skb->data + ip_hdrlen(skb); if (after(ntohl(tcph->seq), this_way->correction_pos)) - newseq = htonl(ntohl(tcph->seq) + this_way->offset_after); + seqoff = this_way->offset_after; else - newseq = htonl(ntohl(tcph->seq) + this_way->offset_before); + seqoff = this_way->offset_before; if (after(ntohl(tcph->ack_seq) - other_way->offset_before, other_way->correction_pos)) - newack = htonl(ntohl(tcph->ack_seq) - other_way->offset_after); + ackoff = other_way->offset_after; else - newack = htonl(ntohl(tcph->ack_seq) - other_way->offset_before); + ackoff = other_way->offset_before; + + newseq = htonl(ntohl(tcph->seq) + seqoff); + newack = htonl(ntohl(tcph->ack_seq) - ackoff); inet_proto_csum_replace4(&tcph->check, skb, tcph->seq, newseq, 0); inet_proto_csum_replace4(&tcph->check, skb, tcph->ack_seq, newack, 0); @@ -413,7 +418,7 @@ nf_nat_seq_adjust(struct sk_buff *skb, if (!nf_nat_sack_adjust(skb, tcph, ct, ctinfo)) return 0; - nf_conntrack_tcp_update(skb, ip_hdrlen(skb), ct, dir); + nf_conntrack_tcp_update(skb, ip_hdrlen(skb), ct, dir, seqoff); return 1; } diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 17b89c5..7870a53 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -903,13 +903,17 @@ int tcp_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, iov++; while (seglen > 0) { - int copy; + int copy = 0; + int max = size_goal; skb = tcp_write_queue_tail(sk); + if (tcp_send_head(sk)) { + if (skb->ip_summed == CHECKSUM_NONE) + max = mss_now; + copy = max - skb->len; + } - if (!tcp_send_head(sk) || - (copy = size_goal - skb->len) <= 0) { - + if (copy <= 0) { new_segment: /* Allocate new segment. If the interface is SG, * allocate skb fitting to single page. @@ -930,6 +934,7 @@ new_segment: skb_entail(sk, skb); copy = size_goal; + max = size_goal; } /* Try to append data to the end of skb. */ @@ -1028,7 +1033,7 @@ new_segment: if ((seglen -= copy) == 0 && iovlen == 0) goto out; - if (skb->len < size_goal || (flags & MSG_OOB)) + if (skb->len < max || (flags & MSG_OOB)) continue; if (forced_push(tp)) { diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 416fc4c..5bdf08d 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -725,7 +725,8 @@ static void tcp_queue_skb(struct sock *sk, struct sk_buff *skb) static void tcp_set_skb_tso_segs(struct sock *sk, struct sk_buff *skb, unsigned int mss_now) { - if (skb->len <= mss_now || !sk_can_gso(sk)) { + if (skb->len <= mss_now || !sk_can_gso(sk) || + skb->ip_summed == CHECKSUM_NONE) { /* Avoid the costly divide in the normal * non-TSO case. */ diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c index 60d918c..0071ee6 100644 --- a/net/ipv4/xfrm4_policy.c +++ b/net/ipv4/xfrm4_policy.c @@ -136,7 +136,8 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse) case IPPROTO_TCP: case IPPROTO_SCTP: case IPPROTO_DCCP: - if (pskb_may_pull(skb, xprth + 4 - skb->data)) { + if (xprth + 4 < skb->data || + pskb_may_pull(skb, xprth + 4 - skb->data)) { __be16 *ports = (__be16 *)xprth; fl->fl_ip_sport = ports[!!reverse]; diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 3883b40..43b3c9f 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1916,8 +1916,32 @@ ok: update_lft = 1; else if (stored_lft <= MIN_VALID_LIFETIME) { /* valid_lft <= stored_lft is always true */ - /* XXX: IPsec */ - update_lft = 0; + /* + * RFC 4862 Section 5.5.3e: + * "Note that the preferred lifetime of + * the corresponding address is always + * reset to the Preferred Lifetime in + * the received Prefix Information + * option, regardless of whether the + * valid lifetime is also reset or + * ignored." + * + * So if the preferred lifetime in + * this advertisement is different + * than what we have stored, but the + * valid lifetime is invalid, just + * reset prefered_lft. + * + * We must set the valid lifetime + * to the stored lifetime since we'll + * be updating the timestamp below, + * else we'll set it back to the + * minumum. + */ + if (prefered_lft != ifp->prefered_lft) { + valid_lft = stored_lft; + update_lft = 1; + } } else { valid_lft = MIN_VALID_LIFETIME; if (valid_lft < prefered_lft) @@ -3085,7 +3109,7 @@ restart: spin_unlock(&ifp->lock); continue; } else if (age >= ifp->prefered_lft) { - /* jiffies - ifp->tsamp > age >= ifp->prefered_lft */ + /* jiffies - ifp->tstamp > age >= ifp->prefered_lft */ int deprecate = 0; if (!(ifp->flags&IFA_F_DEPRECATED)) { diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c index b4b16a4..3a3c677 100644 --- a/net/ipv6/xfrm6_policy.c +++ b/net/ipv6/xfrm6_policy.c @@ -157,7 +157,8 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse) ipv6_addr_copy(&fl->fl6_dst, reverse ? &hdr->saddr : &hdr->daddr); ipv6_addr_copy(&fl->fl6_src, reverse ? &hdr->daddr : &hdr->saddr); - while (pskb_may_pull(skb, nh + offset + 1 - skb->data)) { + while (nh + offset + 1 < skb->data || + pskb_may_pull(skb, nh + offset + 1 - skb->data)) { nh = skb_network_header(skb); exthdr = (struct ipv6_opt_hdr *)(nh + offset); @@ -177,7 +178,8 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse) case IPPROTO_TCP: case IPPROTO_SCTP: case IPPROTO_DCCP: - if (!onlyproto && pskb_may_pull(skb, nh + offset + 4 - skb->data)) { + if (!onlyproto && (nh + offset + 4 < skb->data || + pskb_may_pull(skb, nh + offset + 4 - skb->data))) { __be16 *ports = (__be16 *)exthdr; fl->fl_ip_sport = ports[!!reverse]; diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c index afde8f9..2032dfe 100644 --- a/net/netfilter/nf_conntrack_expect.c +++ b/net/netfilter/nf_conntrack_expect.c @@ -617,8 +617,10 @@ err1: void nf_conntrack_expect_fini(struct net *net) { exp_proc_remove(net); - if (net_eq(net, &init_net)) + if (net_eq(net, &init_net)) { + rcu_barrier(); /* Wait for call_rcu() before destroy */ kmem_cache_destroy(nf_ct_expect_cachep); + } nf_ct_free_hashtable(net->ct.expect_hash, net->ct.expect_vmalloc, nf_ct_expect_hsize); } diff --git a/net/netfilter/nf_conntrack_extend.c b/net/netfilter/nf_conntrack_extend.c index 4b2c769..fef95be 100644 --- a/net/netfilter/nf_conntrack_extend.c +++ b/net/netfilter/nf_conntrack_extend.c @@ -186,6 +186,6 @@ void nf_ct_extend_unregister(struct nf_ct_ext_type *type) rcu_assign_pointer(nf_ct_ext_types[type->id], NULL); update_alloc_size(type); mutex_unlock(&nf_ct_ext_type_mutex); - synchronize_rcu(); + rcu_barrier(); /* Wait for completion of call_rcu()'s */ } EXPORT_SYMBOL_GPL(nf_ct_extend_unregister); diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c index 33fc0a4..97a82ba 100644 --- a/net/netfilter/nf_conntrack_proto_tcp.c +++ b/net/netfilter/nf_conntrack_proto_tcp.c @@ -720,8 +720,8 @@ static bool tcp_in_window(const struct nf_conn *ct, /* Caller must linearize skb at tcp header. */ void nf_conntrack_tcp_update(const struct sk_buff *skb, unsigned int dataoff, - struct nf_conn *ct, - int dir) + struct nf_conn *ct, int dir, + s16 offset) { const struct tcphdr *tcph = (const void *)skb->data + dataoff; const struct ip_ct_tcp_state *sender = &ct->proto.tcp.seen[dir]; @@ -734,7 +734,7 @@ void nf_conntrack_tcp_update(const struct sk_buff *skb, /* * We have to worry for the ack in the reply packet only... */ - if (after(end, ct->proto.tcp.seen[dir].td_end)) + if (ct->proto.tcp.seen[dir].td_end + offset == end) ct->proto.tcp.seen[dir].td_end = end; ct->proto.tcp.last_end = end; spin_unlock_bh(&ct->lock); diff --git a/net/netfilter/xt_conntrack.c b/net/netfilter/xt_conntrack.c index 0b7139f..fc58180 100644 --- a/net/netfilter/xt_conntrack.c +++ b/net/netfilter/xt_conntrack.c @@ -129,7 +129,7 @@ conntrack_addrcmp(const union nf_inet_addr *kaddr, static inline bool conntrack_mt_origsrc(const struct nf_conn *ct, - const struct xt_conntrack_mtinfo1 *info, + const struct xt_conntrack_mtinfo2 *info, u_int8_t family) { return conntrack_addrcmp(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.u3, @@ -138,7 +138,7 @@ conntrack_mt_origsrc(const struct nf_conn *ct, static inline bool conntrack_mt_origdst(const struct nf_conn *ct, - const struct xt_conntrack_mtinfo1 *info, + const struct xt_conntrack_mtinfo2 *info, u_int8_t family) { return conntrack_addrcmp(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.u3, @@ -147,7 +147,7 @@ conntrack_mt_origdst(const struct nf_conn *ct, static inline bool conntrack_mt_replsrc(const struct nf_conn *ct, - const struct xt_conntrack_mtinfo1 *info, + const struct xt_conntrack_mtinfo2 *info, u_int8_t family) { return conntrack_addrcmp(&ct->tuplehash[IP_CT_DIR_REPLY].tuple.src.u3, @@ -156,7 +156,7 @@ conntrack_mt_replsrc(const struct nf_conn *ct, static inline bool conntrack_mt_repldst(const struct nf_conn *ct, - const struct xt_conntrack_mtinfo1 *info, + const struct xt_conntrack_mtinfo2 *info, u_int8_t family) { return conntrack_addrcmp(&ct->tuplehash[IP_CT_DIR_REPLY].tuple.dst.u3, @@ -164,7 +164,7 @@ conntrack_mt_repldst(const struct nf_conn *ct, } static inline bool -ct_proto_port_check(const struct xt_conntrack_mtinfo1 *info, +ct_proto_port_check(const struct xt_conntrack_mtinfo2 *info, const struct nf_conn *ct) { const struct nf_conntrack_tuple *tuple; @@ -204,7 +204,7 @@ ct_proto_port_check(const struct xt_conntrack_mtinfo1 *info, static bool conntrack_mt(const struct sk_buff *skb, const struct xt_match_param *par) { - const struct xt_conntrack_mtinfo1 *info = par->matchinfo; + const struct xt_conntrack_mtinfo2 *info = par->matchinfo; enum ip_conntrack_info ctinfo; const struct nf_conn *ct; unsigned int statebit; @@ -278,6 +278,16 @@ conntrack_mt(const struct sk_buff *skb, const struct xt_match_param *par) return true; } +static bool +conntrack_mt_v1(const struct sk_buff *skb, const struct xt_match_param *par) +{ + const struct xt_conntrack_mtinfo2 *const *info = par->matchinfo; + struct xt_match_param newpar = *par; + + newpar.matchinfo = *info; + return conntrack_mt(skb, &newpar); +} + static bool conntrack_mt_check(const struct xt_mtchk_param *par) { if (nf_ct_l3proto_try_module_get(par->family) < 0) { @@ -288,11 +298,45 @@ static bool conntrack_mt_check(const struct xt_mtchk_param *par) return true; } +static bool conntrack_mt_check_v1(const struct xt_mtchk_param *par) +{ + struct xt_conntrack_mtinfo1 *info = par->matchinfo; + struct xt_conntrack_mtinfo2 *up; + int ret = conntrack_mt_check(par); + + if (ret < 0) + return ret; + + up = kmalloc(sizeof(*up), GFP_KERNEL); + if (up == NULL) { + nf_ct_l3proto_module_put(par->family); + return -ENOMEM; + } + + /* + * The strategy here is to minimize the overhead of v1 matching, + * by prebuilding a v2 struct and putting the pointer into the + * v1 dataspace. + */ + memcpy(up, info, offsetof(typeof(*info), state_mask)); + up->state_mask = info->state_mask; + up->status_mask = info->status_mask; + *(void **)info = up; + return true; +} + static void conntrack_mt_destroy(const struct xt_mtdtor_param *par) { nf_ct_l3proto_module_put(par->family); } +static void conntrack_mt_destroy_v1(const struct xt_mtdtor_param *par) +{ + struct xt_conntrack_mtinfo2 **info = par->matchinfo; + kfree(*info); + conntrack_mt_destroy(par); +} + #ifdef CONFIG_COMPAT struct compat_xt_conntrack_info { @@ -363,6 +407,16 @@ static struct xt_match conntrack_mt_reg[] __read_mostly = { .revision = 1, .family = NFPROTO_UNSPEC, .matchsize = sizeof(struct xt_conntrack_mtinfo1), + .match = conntrack_mt_v1, + .checkentry = conntrack_mt_check_v1, + .destroy = conntrack_mt_destroy_v1, + .me = THIS_MODULE, + }, + { + .name = "conntrack", + .revision = 2, + .family = NFPROTO_UNSPEC, + .matchsize = sizeof(struct xt_conntrack_mtinfo2), .match = conntrack_mt, .checkentry = conntrack_mt_check, .destroy = conntrack_mt_destroy, diff --git a/net/sctp/output.c b/net/sctp/output.c index b764114..b94c211 100644 --- a/net/sctp/output.c +++ b/net/sctp/output.c @@ -407,7 +407,7 @@ int sctp_packet_transmit(struct sctp_packet *packet) } dst = dst_clone(tp->dst); skb_dst_set(nskb, dst); - if (dst) + if (!dst) goto no_route; /* Build the SCTP header. */ diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 35ba035..971890d 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -6652,21 +6652,6 @@ static void sctp_wait_for_close(struct sock *sk, long timeout) finish_wait(sk->sk_sleep, &wait); } -static void sctp_sock_rfree_frag(struct sk_buff *skb) -{ - struct sk_buff *frag; - - if (!skb->data_len) - goto done; - - /* Don't forget the fragments. */ - skb_walk_frags(skb, frag) - sctp_sock_rfree_frag(frag); - -done: - sctp_sock_rfree(skb); -} - static void sctp_skb_set_owner_r_frag(struct sk_buff *skb, struct sock *sk) { struct sk_buff *frag; @@ -6776,7 +6761,6 @@ static void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk, sctp_skb_for_each(skb, &oldsk->sk_receive_queue, tmp) { event = sctp_skb2event(skb); if (event->asoc == assoc) { - sctp_sock_rfree_frag(skb); __skb_unlink(skb, &oldsk->sk_receive_queue); __skb_queue_tail(&newsk->sk_receive_queue, skb); sctp_skb_set_owner_r_frag(skb, newsk); @@ -6807,7 +6791,6 @@ static void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk, sctp_skb_for_each(skb, &oldsp->pd_lobby, tmp) { event = sctp_skb2event(skb); if (event->asoc == assoc) { - sctp_sock_rfree_frag(skb); __skb_unlink(skb, &oldsp->pd_lobby); __skb_queue_tail(queue, skb); sctp_skb_set_owner_r_frag(skb, newsk); @@ -6822,15 +6805,11 @@ static void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk, } - sctp_skb_for_each(skb, &assoc->ulpq.reasm, tmp) { - sctp_sock_rfree_frag(skb); + sctp_skb_for_each(skb, &assoc->ulpq.reasm, tmp) sctp_skb_set_owner_r_frag(skb, newsk); - } - sctp_skb_for_each(skb, &assoc->ulpq.lobby, tmp) { - sctp_sock_rfree_frag(skb); + sctp_skb_for_each(skb, &assoc->ulpq.lobby, tmp) sctp_skb_set_owner_r_frag(skb, newsk); - } /* Set the type of socket to indicate that it is peeled off from the * original UDP-style socket or created with the accept() call on a diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 5f1f865..f2f7c63 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -668,22 +668,10 @@ static struct xfrm_state *__xfrm_state_lookup(struct net *net, xfrm_address_t *d hlist_for_each_entry(x, entry, net->xfrm.state_byspi+h, byspi) { if (x->props.family != family || x->id.spi != spi || - x->id.proto != proto) + x->id.proto != proto || + xfrm_addr_cmp(&x->id.daddr, daddr, family)) continue; - switch (family) { - case AF_INET: - if (x->id.daddr.a4 != daddr->a4) - continue; - break; - case AF_INET6: - if (!ipv6_addr_equal((struct in6_addr *)daddr, - (struct in6_addr *) - x->id.daddr.a6)) - continue; - break; - } - xfrm_state_hold(x); return x; } @@ -699,26 +687,11 @@ static struct xfrm_state *__xfrm_state_lookup_byaddr(struct net *net, xfrm_addre hlist_for_each_entry(x, entry, net->xfrm.state_bysrc+h, bysrc) { if (x->props.family != family || - x->id.proto != proto) + x->id.proto != proto || + xfrm_addr_cmp(&x->id.daddr, daddr, family) || + xfrm_addr_cmp(&x->props.saddr, saddr, family)) continue; - switch (family) { - case AF_INET: - if (x->id.daddr.a4 != daddr->a4 || - x->props.saddr.a4 != saddr->a4) - continue; - break; - case AF_INET6: - if (!ipv6_addr_equal((struct in6_addr *)daddr, - (struct in6_addr *) - x->id.daddr.a6) || - !ipv6_addr_equal((struct in6_addr *)saddr, - (struct in6_addr *) - x->props.saddr.a6)) - continue; - break; - } - xfrm_state_hold(x); return x; } @@ -1001,25 +974,11 @@ static struct xfrm_state *__find_acq_core(struct net *net, unsigned short family x->props.family != family || x->km.state != XFRM_STATE_ACQ || x->id.spi != 0 || - x->id.proto != proto) + x->id.proto != proto || + xfrm_addr_cmp(&x->id.daddr, daddr, family) || + xfrm_addr_cmp(&x->props.saddr, saddr, family)) continue; - switch (family) { - case AF_INET: - if (x->id.daddr.a4 != daddr->a4 || - x->props.saddr.a4 != saddr->a4) - continue; - break; - case AF_INET6: - if (!ipv6_addr_equal((struct in6_addr *)x->id.daddr.a6, - (struct in6_addr *)daddr) || - !ipv6_addr_equal((struct in6_addr *) - x->props.saddr.a6, - (struct in6_addr *)saddr)) - continue; - break; - } - xfrm_state_hold(x); return x; } diff --git a/scripts/.gitignore b/scripts/.gitignore index b939fbd..52cab46a 100644 --- a/scripts/.gitignore +++ b/scripts/.gitignore @@ -7,3 +7,4 @@ pnmtologo bin2c unifdef binoffset +ihex2fw diff --git a/scripts/kernel-doc b/scripts/kernel-doc index ed591e9..b52d340 100755 --- a/scripts/kernel-doc +++ b/scripts/kernel-doc @@ -1426,6 +1426,8 @@ sub dump_struct($$) { # strip comments: $members =~ s/\/\*.*?\*\///gos; $nested =~ s/\/\*.*?\*\///gos; + # strip kmemcheck_bitfield_{begin,end}.*; + $members =~ s/kmemcheck_bitfield_.*?;//gos; create_parameterlist($members, ';', $file); check_sections($file, $declaration_name, "struct", $sectcheck, $struct_actual, $nested); @@ -1468,8 +1470,6 @@ sub dump_enum($$) { } } - # strip kmemcheck_bitfield_{begin,end}.*; - $members =~ s/kmemcheck_bitfield_.*?;//gos; output_declaration($declaration_name, 'enum', diff --git a/scripts/package/builddeb b/scripts/package/builddeb index 01c2d13..b19f1f4 100644 --- a/scripts/package/builddeb +++ b/scripts/package/builddeb @@ -16,6 +16,8 @@ create_package() { local pname="$1" pdir="$2" cp debian/copyright "$pdir/usr/share/doc/$pname/" + cp debian/changelog "$pdir/usr/share/doc/$pname/changelog.Debian" + gzip -9 "$pdir/usr/share/doc/$pname/changelog.Debian" # Fix ownership and permissions chown -R root:root "$pdir" diff --git a/scripts/pnmtologo.c b/scripts/pnmtologo.c index 64f5ddb..5c11312 100644 --- a/scripts/pnmtologo.c +++ b/scripts/pnmtologo.c @@ -237,7 +237,7 @@ static void write_header(void) fprintf(out, " * Linux logo %s\n", logoname); fputs(" */\n\n", out); fputs("#include <linux/linux_logo.h>\n\n", out); - fprintf(out, "static const unsigned char %s_data[] __initconst = {\n", + fprintf(out, "static unsigned char %s_data[] __initdata = {\n", logoname); } @@ -374,7 +374,7 @@ static void write_logo_clut224(void) fputs("\n};\n\n", out); /* write logo clut */ - fprintf(out, "static const unsigned char %s_clut[] __initconst = {\n", + fprintf(out, "static unsigned char %s_clut[] __initdata = {\n", logoname); write_hex_cnt = 0; for (i = 0; i < logo_clutsize; i++) { diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 462e2ce..26d255d 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -3470,10 +3470,16 @@ int snd_hda_multi_out_analog_open(struct hda_codec *codec, } mutex_lock(&codec->spdif_mutex); if (mout->share_spdif) { - runtime->hw.rates &= mout->spdif_rates; - runtime->hw.formats &= mout->spdif_formats; - if (mout->spdif_maxbps < hinfo->maxbps) - hinfo->maxbps = mout->spdif_maxbps; + if ((runtime->hw.rates & mout->spdif_rates) && + (runtime->hw.formats & mout->spdif_formats)) { + runtime->hw.rates &= mout->spdif_rates; + runtime->hw.formats &= mout->spdif_formats; + if (mout->spdif_maxbps < hinfo->maxbps) + hinfo->maxbps = mout->spdif_maxbps; + } else { + mout->share_spdif = 0; + /* FIXME: need notify? */ + } } mutex_unlock(&codec->spdif_mutex); } diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 4e9ea70..1877d95 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1454,6 +1454,7 @@ static int azx_pcm_open(struct snd_pcm_substream *substream) mutex_unlock(&chip->open_mutex); return err; } + snd_pcm_limit_hw_rates(runtime); spin_lock_irqsave(&chip->reg_lock, flags); azx_dev->substream = substream; azx_dev->running = 0; @@ -1463,6 +1464,12 @@ static int azx_pcm_open(struct snd_pcm_substream *substream) snd_pcm_set_sync(substream); mutex_unlock(&chip->open_mutex); + if (snd_BUG_ON(!runtime->hw.channels_min || !runtime->hw.channels_max)) + return -EINVAL; + if (snd_BUG_ON(!runtime->hw.formats)) + return -EINVAL; + if (snd_BUG_ON(!runtime->hw.rates)) + return -EINVAL; return 0; } diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c index 1988582..be7d25f 100644 --- a/sound/pci/hda/patch_analog.c +++ b/sound/pci/hda/patch_analog.c @@ -3746,9 +3746,30 @@ static struct snd_kcontrol_new ad1884a_laptop_mixers[] = { { } /* end */ }; +static int ad1884a_mobile_master_sw_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + int ret = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol); + int mute = (!ucontrol->value.integer.value[0] && + !ucontrol->value.integer.value[1]); + /* toggle GPIO1 according to the mute state */ + snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_DATA, + mute ? 0x02 : 0x0); + return ret; +} + static struct snd_kcontrol_new ad1884a_mobile_mixers[] = { HDA_CODEC_VOLUME("Master Playback Volume", 0x21, 0x0, HDA_OUTPUT), - HDA_CODEC_MUTE("Master Playback Switch", 0x21, 0x0, HDA_OUTPUT), + /*HDA_CODEC_MUTE("Master Playback Switch", 0x21, 0x0, HDA_OUTPUT),*/ + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Master Playback Switch", + .info = snd_hda_mixer_amp_switch_info, + .get = snd_hda_mixer_amp_switch_get, + .put = ad1884a_mobile_master_sw_put, + .private_value = HDA_COMPOSE_AMP_VAL(0x21, 3, 0, HDA_OUTPUT), + }, HDA_CODEC_VOLUME("PCM Playback Volume", 0x20, 0x5, HDA_INPUT), HDA_CODEC_MUTE("PCM Playback Switch", 0x20, 0x5, HDA_INPUT), HDA_CODEC_VOLUME("Mic Capture Volume", 0x14, 0x0, HDA_INPUT), @@ -3869,6 +3890,10 @@ static struct hda_verb ad1884a_mobile_verbs[] = { /* unsolicited event for pin-sense */ {0x11, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | AD1884A_HP_EVENT}, {0x14, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | AD1884A_MIC_EVENT}, + /* allow to touch GPIO1 (for mute control) */ + {0x01, AC_VERB_SET_GPIO_MASK, 0x02}, + {0x01, AC_VERB_SET_GPIO_DIRECTION, 0x02}, + {0x01, AC_VERB_SET_GPIO_DATA, 0x02}, /* first muted */ { } /* end */ }; @@ -3978,6 +4003,7 @@ static struct snd_pci_quirk ad1884a_cfg_tbl[] = { SND_PCI_QUIRK(0x103c, 0x3037, "HP 2230s", AD1884A_LAPTOP), SND_PCI_QUIRK(0x103c, 0x3056, "HP", AD1884A_MOBILE), SND_PCI_QUIRK_MASK(0x103c, 0xfff0, 0x3070, "HP", AD1884A_MOBILE), + SND_PCI_QUIRK_MASK(0x103c, 0xfff0, 0x30d0, "HP laptop", AD1884A_LAPTOP), SND_PCI_QUIRK_MASK(0x103c, 0xfff0, 0x30e0, "HP laptop", AD1884A_LAPTOP), SND_PCI_QUIRK_MASK(0x103c, 0xff00, 0x3600, "HP laptop", AD1884A_LAPTOP), SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X300", AD1884A_THINKPAD), diff --git a/sound/pci/hda/patch_ca0110.c b/sound/pci/hda/patch_ca0110.c index 392d108..019ca7c 100644 --- a/sound/pci/hda/patch_ca0110.c +++ b/sound/pci/hda/patch_ca0110.c @@ -510,7 +510,7 @@ static int ca0110_parse_auto_config(struct hda_codec *codec) } -int patch_ca0110(struct hda_codec *codec) +static int patch_ca0110(struct hda_codec *codec) { struct ca0110_spec *spec; int err; diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 3a8e58c..e661b21 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -12876,20 +12876,11 @@ static struct snd_kcontrol_new alc269_lifebook_mixer[] = { { } }; -/* bind volumes of both NID 0x0c and 0x0d */ -static struct hda_bind_ctls alc269_epc_bind_vol = { - .ops = &snd_hda_bind_vol, - .values = { - HDA_COMPOSE_AMP_VAL(0x02, 3, 0, HDA_OUTPUT), - HDA_COMPOSE_AMP_VAL(0x03, 3, 0, HDA_OUTPUT), - 0 - }, -}; - static struct snd_kcontrol_new alc269_eeepc_mixer[] = { - HDA_CODEC_MUTE("iSpeaker Playback Switch", 0x14, 0x0, HDA_OUTPUT), - HDA_BIND_VOL("LineOut Playback Volume", &alc269_epc_bind_vol), - HDA_CODEC_MUTE("LineOut Playback Switch", 0x15, 0x0, HDA_OUTPUT), + HDA_CODEC_MUTE("Speaker Playback Switch", 0x14, 0x0, HDA_OUTPUT), + HDA_CODEC_MUTE("Speaker Playback Volume", 0x02, 0x0, HDA_OUTPUT), + HDA_CODEC_MUTE("Headphone Playback Switch", 0x15, 0x0, HDA_OUTPUT), + HDA_CODEC_MUTE("Headphone Playback Volume", 0x03, 0x0, HDA_OUTPUT), { } /* end */ }; @@ -12902,12 +12893,7 @@ static struct snd_kcontrol_new alc269_epc_capture_mixer[] = { }; /* FSC amilo */ -static struct snd_kcontrol_new alc269_fujitsu_mixer[] = { - HDA_CODEC_MUTE("Speaker Playback Switch", 0x14, 0x0, HDA_OUTPUT), - HDA_CODEC_MUTE("Headphone Playback Switch", 0x15, 0x0, HDA_OUTPUT), - HDA_BIND_VOL("PCM Playback Volume", &alc269_epc_bind_vol), - { } /* end */ -}; +#define alc269_fujitsu_mixer alc269_eeepc_mixer static struct hda_verb alc269_quanta_fl1_verbs[] = { {0x15, AC_VERB_SET_CONNECT_SEL, 0x01}, diff --git a/sound/pci/oxygen/virtuoso.c b/sound/pci/oxygen/virtuoso.c index bf971f7..6ebcb6b 100644 --- a/sound/pci/oxygen/virtuoso.c +++ b/sound/pci/oxygen/virtuoso.c @@ -635,6 +635,8 @@ static void xonar_d2_resume(struct oxygen *chip) static void xonar_d1_resume(struct oxygen *chip) { + oxygen_set_bits8(chip, OXYGEN_FUNCTION, OXYGEN_FUNCTION_RESET_CODEC); + msleep(1); cs43xx_init(chip); xonar_enable_output(chip); } diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index 5dbebf8..8cb65cc 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -33,7 +33,7 @@ config SND_SOC_MPC5200_I2S config SND_SOC_MPC5200_AC97 tristate "Freescale MPC5200 PSC in AC97 mode driver" depends on PPC_MPC52xx && PPC_BESTCOMM - select AC97_BUS + select SND_SOC_AC97_BUS select SND_MPC52xx_DMA select PPC_BESTCOMM_GEN_BD help @@ -41,7 +41,7 @@ config SND_SOC_MPC5200_AC97 config SND_MPC52xx_SOC_PCM030 tristate "SoC AC97 Audio support for Phytec pcm030 and WM9712" - depends on PPC_MPC5200_SIMPLE && BROKEN + depends on PPC_MPC5200_SIMPLE select SND_SOC_MPC5200_AC97 select SND_SOC_WM9712 help @@ -50,7 +50,7 @@ config SND_MPC52xx_SOC_PCM030 config SND_MPC52xx_SOC_EFIKA tristate "SoC AC97 Audio support for bbplan Efika and STAC9766" - depends on PPC_EFIKA && BROKEN + depends on PPC_EFIKA select SND_SOC_MPC5200_AC97 select SND_SOC_STAC9766 help diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c index 6454e15..84a1950 100644 --- a/sound/soc/omap/omap-pcm.c +++ b/sound/soc/omap/omap-pcm.c @@ -216,12 +216,15 @@ static snd_pcm_uframes_t omap_pcm_pointer(struct snd_pcm_substream *substream) dma_addr_t ptr; snd_pcm_uframes_t offset; - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - ptr = omap_get_dma_src_pos(prtd->dma_ch); - else + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { ptr = omap_get_dma_dst_pos(prtd->dma_ch); + offset = bytes_to_frames(runtime, ptr - runtime->dma_addr); + } else if (!(cpu_is_omap1510())) { + ptr = omap_get_dma_src_pos(prtd->dma_ch); + offset = bytes_to_frames(runtime, ptr - runtime->dma_addr); + } else + offset = prtd->period_index * runtime->period_size; - offset = bytes_to_frames(runtime, ptr - runtime->dma_addr); if (offset >= runtime->buffer_size) offset = 0; diff --git a/sound/soc/pxa/pxa2xx-i2s.c b/sound/soc/pxa/pxa2xx-i2s.c index 4743e26..6b8f655 100644 --- a/sound/soc/pxa/pxa2xx-i2s.c +++ b/sound/soc/pxa/pxa2xx-i2s.c @@ -167,6 +167,7 @@ static int pxa2xx_i2s_hw_params(struct snd_pcm_substream *substream, BUG_ON(IS_ERR(clk_i2s)); clk_enable(clk_i2s); + dai->private_data = dai; pxa_i2s_wait(); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) @@ -255,7 +256,10 @@ static void pxa2xx_i2s_shutdown(struct snd_pcm_substream *substream, if ((SACR1 & (SACR1_DREC | SACR1_DRPL)) == (SACR1_DREC | SACR1_DRPL)) { SACR0 &= ~SACR0_ENB; pxa_i2s_wait(); - clk_disable(clk_i2s); + if (dai->private_data != NULL) { + clk_disable(clk_i2s); + dai->private_data = NULL; + } } } @@ -336,6 +340,7 @@ static int pxa2xx_i2s_probe(struct platform_device *dev) return PTR_ERR(clk_i2s); pxa_i2s_dai.dev = &dev->dev; + pxa_i2s_dai.private_data = NULL; ret = snd_soc_register_dai(&pxa_i2s_dai); if (ret != 0) clk_put(clk_i2s); diff --git a/sound/sound_core.c b/sound/sound_core.c index 12522e6..a41f8b1 100644 --- a/sound/sound_core.c +++ b/sound/sound_core.c @@ -10,6 +10,8 @@ #include <linux/module.h> #include <linux/device.h> #include <linux/err.h> +#include <linux/kdev_t.h> +#include <linux/major.h> #include <sound/core.h> #ifdef CONFIG_SOUND_OSS_CORE @@ -29,6 +31,8 @@ MODULE_LICENSE("GPL"); static char *sound_nodename(struct device *dev) { + if (MAJOR(dev->devt) == SOUND_MAJOR) + return NULL; return kasprintf(GFP_KERNEL, "snd/%s", dev_name(dev)); } @@ -104,7 +108,6 @@ module_exit(cleanup_soundcore); #include <linux/types.h> #include <linux/kernel.h> #include <linux/sound.h> -#include <linux/major.h> #include <linux/kmod.h> #define SOUND_STEP 16 diff --git a/sound/usb/caiaq/device.c b/sound/usb/caiaq/device.c index 0e5db71..de38108 100644 --- a/sound/usb/caiaq/device.c +++ b/sound/usb/caiaq/device.c @@ -35,7 +35,7 @@ #include "input.h" MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>"); -MODULE_DESCRIPTION("caiaq USB audio, version 1.3.17"); +MODULE_DESCRIPTION("caiaq USB audio, version 1.3.18"); MODULE_LICENSE("GPL"); MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2}," "{Native Instruments, RigKontrol3}," @@ -349,7 +349,9 @@ static void __devinit setup_card(struct snd_usb_caiaqdev *dev) log("Unable to set up control system (ret=%d)\n", ret); } -static int create_card(struct usb_device* usb_dev, struct snd_card **cardp) +static int create_card(struct usb_device *usb_dev, + struct usb_interface *intf, + struct snd_card **cardp) { int devnum; int err; @@ -374,7 +376,7 @@ static int create_card(struct usb_device* usb_dev, struct snd_card **cardp) dev->chip.usb_id = USB_ID(le16_to_cpu(usb_dev->descriptor.idVendor), le16_to_cpu(usb_dev->descriptor.idProduct)); spin_lock_init(&dev->spinlock); - snd_card_set_dev(card, &usb_dev->dev); + snd_card_set_dev(card, &intf->dev); *cardp = card; return 0; @@ -461,7 +463,7 @@ static int __devinit snd_probe(struct usb_interface *intf, struct snd_card *card; struct usb_device *device = interface_to_usbdev(intf); - ret = create_card(device, &card); + ret = create_card(device, intf, &card); if (ret < 0) return ret; diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c index a5aae9d..fd44946 100644 --- a/sound/usb/usx2y/us122l.c +++ b/sound/usb/usx2y/us122l.c @@ -514,7 +514,6 @@ static int usx2y_create_card(struct usb_device *device, struct snd_card **cardp) US122L(card)->chip.dev->bus->busnum, US122L(card)->chip.dev->devnum ); - snd_card_set_dev(card, &device->dev); *cardp = card; return 0; } @@ -531,6 +530,7 @@ static int us122l_usb_probe(struct usb_interface *intf, if (err < 0) return err; + snd_card_set_dev(card, &intf->dev); if (!us122l_create_card(card)) { snd_card_free(card); return -EINVAL; diff --git a/sound/usb/usx2y/usbusx2y.c b/sound/usb/usx2y/usbusx2y.c index 5ce0da2..cb4bb83 100644 --- a/sound/usb/usx2y/usbusx2y.c +++ b/sound/usb/usx2y/usbusx2y.c @@ -364,7 +364,6 @@ static int usX2Y_create_card(struct usb_device *device, struct snd_card **cardp) 0,//us428(card)->usbmidi.ifnum, usX2Y(card)->chip.dev->bus->busnum, usX2Y(card)->chip.dev->devnum ); - snd_card_set_dev(card, &device->dev); *cardp = card; return 0; } @@ -388,6 +387,7 @@ static int usX2Y_usb_probe(struct usb_device *device, err = usX2Y_create_card(device, &card); if (err < 0) return err; + snd_card_set_dev(card, &intf->dev); if ((err = usX2Y_hwdep_new(card, device)) < 0 || (err = snd_card_register(card)) < 0) { snd_card_free(card); diff --git a/tools/perf/CREDITS b/tools/perf/CREDITS new file mode 100644 index 0000000..c2ddcb3 --- /dev/null +++ b/tools/perf/CREDITS @@ -0,0 +1,30 @@ +Most of the infrastructure that 'perf' uses here has been reused +from the Git project, as of version: + + 66996ec: Sync with 1.6.2.4 + +Here is an (incomplete!) list of main contributors to those files +in util/* and elsewhere: + + Alex Riesen + Christian Couder + Dmitry Potapov + Jeff King + Johannes Schindelin + Johannes Sixt + Junio C Hamano + Linus Torvalds + Matthias Kestenholz + Michal Ostrowski + Miklos Vajna + Petr Baudis + Pierre Habouzit + René Scharfe + Samuel Tardieu + Shawn O. Pearce + Steffen Prohaska + Steve Haslam + +Thanks guys! + +The full history of the files can be found in the upstream Git commits. diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 52d3fc6..8aa3f8c 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -13,13 +13,25 @@ SYNOPSIS DESCRIPTION ----------- This command displays the performance counter profile information recorded -via perf report. +via perf record. OPTIONS ------- -i:: --input=:: Input file name. (default: perf.data) +-d:: +--dsos=:: + Only consider symbols in these dsos. CSV that understands + file://filename entries. +-C:: +--comms=:: + Only consider symbols in these comms. CSV that understands + file://filename entries. +-S:: +--symbols=:: + Only consider these symbols. CSV that understands + file://filename entries. SEE ALSO -------- diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index c368a72..0d74346 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -8,8 +8,8 @@ perf-stat - Run a command and gather performance counter statistics SYNOPSIS -------- [verse] -'perf stat' [-e <EVENT> | --event=EVENT] [-l] [-a] <command> -'perf stat' [-e <EVENT> | --event=EVENT] [-l] [-a] -- <command> [<options>] +'perf stat' [-e <EVENT> | --event=EVENT] [-S] [-a] <command> +'perf stat' [-e <EVENT> | --event=EVENT] [-S] [-a] -- <command> [<options>] DESCRIPTION ----------- @@ -40,7 +40,7 @@ OPTIONS -a:: system-wide collection --l:: +-S:: scale counter values EXAMPLES diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 36d7eef..9c6d0ae3 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -290,7 +290,7 @@ LIB_FILE=libperf.a LIB_H += ../../include/linux/perf_counter.h LIB_H += perf.h -LIB_H += types.h +LIB_H += util/types.h LIB_H += util/list.h LIB_H += util/rbtree.h LIB_H += util/levenshtein.h @@ -301,6 +301,7 @@ LIB_H += util/util.h LIB_H += util/help.h LIB_H += util/strbuf.h LIB_H += util/string.h +LIB_H += util/strlist.h LIB_H += util/run-command.h LIB_H += util/sigchain.h LIB_H += util/symbol.h @@ -322,12 +323,15 @@ LIB_OBJS += util/run-command.o LIB_OBJS += util/quote.o LIB_OBJS += util/strbuf.o LIB_OBJS += util/string.o +LIB_OBJS += util/strlist.o LIB_OBJS += util/usage.o LIB_OBJS += util/wrapper.o LIB_OBJS += util/sigchain.o LIB_OBJS += util/symbol.o LIB_OBJS += util/color.o LIB_OBJS += util/pager.o +LIB_OBJS += util/header.o +LIB_OBJS += util/callchain.o BUILTIN_OBJS += builtin-annotate.o BUILTIN_OBJS += builtin-help.o diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 7e58e3a..722c0f5 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -855,7 +855,7 @@ static unsigned long total = 0, total_unknown = 0; static int -process_overflow_event(event_t *event, unsigned long offset, unsigned long head) +process_sample_event(event_t *event, unsigned long offset, unsigned long head) { char level; int show = 0; @@ -1013,10 +1013,10 @@ process_period_event(event_t *event, unsigned long offset, unsigned long head) static int process_event(event_t *event, unsigned long offset, unsigned long head) { - if (event->header.misc & PERF_EVENT_MISC_OVERFLOW) - return process_overflow_event(event, offset, head); - switch (event->header.type) { + case PERF_EVENT_SAMPLE: + return process_sample_event(event, offset, head); + case PERF_EVENT_MMAP: return process_mmap_event(event, offset, head); diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index d7ebbd7..d18546f 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -14,6 +14,8 @@ #include "util/parse-events.h" #include "util/string.h" +#include "util/header.h" + #include <unistd.h> #include <sched.h> @@ -39,6 +41,8 @@ static int force = 0; static int append_file = 0; static int call_graph = 0; static int verbose = 0; +static int inherit_stat = 0; +static int no_samples = 0; static long samples; static struct timeval last_read; @@ -52,7 +56,8 @@ static int nr_poll; static int nr_cpu; static int file_new = 1; -static struct perf_file_header file_header; + +struct perf_header *header; struct mmap_event { struct perf_event_header header; @@ -306,12 +311,11 @@ static void pid_synthesize_mmap_samples(pid_t pid) continue; pbf += n + 3; if (*pbf == 'x') { /* vm_exec */ - char *execname = strrchr(bf, ' '); + char *execname = strchr(bf, '/'); - if (execname == NULL || execname[1] != '/') + if (execname == NULL) continue; - execname += 1; size = strlen(execname); execname[size - 1] = '\0'; /* Remove \n */ memcpy(mmap_ev.filename, execname, size); @@ -329,7 +333,7 @@ static void pid_synthesize_mmap_samples(pid_t pid) fclose(fp); } -static void synthesize_samples(void) +static void synthesize_all(void) { DIR *proc; struct dirent dirent, *next; @@ -353,10 +357,35 @@ static void synthesize_samples(void) static int group_fd; +static struct perf_header_attr *get_header_attr(struct perf_counter_attr *a, int nr) +{ + struct perf_header_attr *h_attr; + + if (nr < header->attrs) { + h_attr = header->attr[nr]; + } else { + h_attr = perf_header_attr__new(a); + perf_header__add_attr(header, h_attr); + } + + return h_attr; +} + static void create_counter(int counter, int cpu, pid_t pid) { struct perf_counter_attr *attr = attrs + counter; - int track = 1; + struct perf_header_attr *h_attr; + int track = !counter; /* only the first counter needs these */ + struct { + u64 count; + u64 time_enabled; + u64 time_running; + u64 id; + } read_data; + + attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | + PERF_FORMAT_TOTAL_TIME_RUNNING | + PERF_FORMAT_ID; attr->sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TID; @@ -366,25 +395,20 @@ static void create_counter(int counter, int cpu, pid_t pid) attr->sample_freq = freq; } + if (no_samples) + attr->sample_freq = 0; + + if (inherit_stat) + attr->inherit_stat = 1; + if (call_graph) attr->sample_type |= PERF_SAMPLE_CALLCHAIN; - if (file_new) { - file_header.sample_type = attr->sample_type; - } else { - if (file_header.sample_type != attr->sample_type) { - fprintf(stderr, "incompatible append\n"); - exit(-1); - } - } - attr->mmap = track; attr->comm = track; attr->inherit = (cpu < 0) && inherit; attr->disabled = 1; - track = 0; /* only the first counter needs these */ - try_again: fd[nr_cpu][counter] = sys_perf_counter_open(attr, pid, cpu, group_fd, 0); @@ -415,6 +439,22 @@ try_again: exit(-1); } + h_attr = get_header_attr(attr, counter); + + if (!file_new) { + if (memcmp(&h_attr->attr, attr, sizeof(*attr))) { + fprintf(stderr, "incompatible append\n"); + exit(-1); + } + } + + if (read(fd[nr_cpu][counter], &read_data, sizeof(read_data)) == -1) { + perror("Unable to read perf file descriptor\n"); + exit(-1); + } + + perf_header_attr__add_id(h_attr, read_data.id); + assert(fd[nr_cpu][counter] >= 0); fcntl(fd[nr_cpu][counter], F_SETFL, O_NONBLOCK); @@ -445,11 +485,6 @@ static void open_counters(int cpu, pid_t pid) { int counter; - if (pid > 0) { - pid_synthesize_comm_event(pid, 0); - pid_synthesize_mmap_samples(pid); - } - group_fd = -1; for (counter = 0; counter < nr_counters; counter++) create_counter(counter, cpu, pid); @@ -459,17 +494,16 @@ static void open_counters(int cpu, pid_t pid) static void atexit_header(void) { - file_header.data_size += bytes_written; + header->data_size += bytes_written; - if (pwrite(output, &file_header, sizeof(file_header), 0) == -1) - perror("failed to write on file headers"); + perf_header__write(header, output); } static int __cmd_record(int argc, const char **argv) { int i, counter; struct stat st; - pid_t pid; + pid_t pid = 0; int flags; int ret; @@ -500,22 +534,31 @@ static int __cmd_record(int argc, const char **argv) exit(-1); } - if (!file_new) { - if (read(output, &file_header, sizeof(file_header)) == -1) { - perror("failed to read file headers"); - exit(-1); - } - - lseek(output, file_header.data_size, SEEK_CUR); - } + if (!file_new) + header = perf_header__read(output); + else + header = perf_header__new(); atexit(atexit_header); if (!system_wide) { - open_counters(-1, target_pid != -1 ? target_pid : getpid()); + pid = target_pid; + if (pid == -1) + pid = getpid(); + + open_counters(-1, pid); } else for (i = 0; i < nr_cpus; i++) open_counters(i, target_pid); + if (file_new) + perf_header__write(header, output); + + if (!system_wide) { + pid_synthesize_comm_event(pid, 0); + pid_synthesize_mmap_samples(pid); + } else + synthesize_all(); + if (target_pid == -1 && argc) { pid = fork(); if (pid < 0) @@ -539,10 +582,7 @@ static int __cmd_record(int argc, const char **argv) } } - if (system_wide) - synthesize_samples(); - - while (!done) { + for (;;) { int hits = samples; for (i = 0; i < nr_cpu; i++) { @@ -550,8 +590,11 @@ static int __cmd_record(int argc, const char **argv) mmap_read(&mmap_array[i][counter]); } - if (hits == samples) + if (hits == samples) { + if (done) + break; ret = poll(event_array, nr_poll, 100); + } } /* @@ -600,6 +643,10 @@ static const struct option options[] = { "do call-graph (stack chain/backtrace) recording"), OPT_BOOLEAN('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"), + OPT_BOOLEAN('s', "stat", &inherit_stat, + "per thread counts"), + OPT_BOOLEAN('n', "no-samples", &no_samples, + "don't sample"), OPT_END() }; diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 5eb5566..135b783 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -15,8 +15,11 @@ #include "util/rbtree.h" #include "util/symbol.h" #include "util/string.h" +#include "util/callchain.h" +#include "util/strlist.h" #include "perf.h" +#include "util/header.h" #include "util/parse-options.h" #include "util/parse-events.h" @@ -30,6 +33,8 @@ static char *vmlinux = NULL; static char default_sort_order[] = "comm,dso"; static char *sort_order = default_sort_order; +static char *dso_list_str, *comm_list_str, *sym_list_str; +static struct strlist *dso_list, *comm_list, *sym_list; static int input; static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV; @@ -51,6 +56,9 @@ static char *parent_pattern = default_parent_pattern; static regex_t parent_regex; static int exclude_other = 1; +static int callchain; + +static u64 sample_type; struct ip_event { struct perf_event_header header; @@ -59,11 +67,6 @@ struct ip_event { unsigned char __more_data[]; }; -struct ip_callchain { - u64 nr; - u64 ips[0]; -}; - struct mmap_event { struct perf_event_header header; u32 pid, tid; @@ -97,6 +100,13 @@ struct lost_event { u64 lost; }; +struct read_event { + struct perf_event_header header; + u32 pid,tid; + u64 value; + u64 format[3]; +}; + typedef union event_union { struct perf_event_header header; struct ip_event ip; @@ -105,6 +115,7 @@ typedef union event_union { struct fork_event fork; struct period_event period; struct lost_event lost; + struct read_event read; } event_t; static LIST_HEAD(dsos); @@ -229,7 +240,7 @@ static u64 vdso__map_ip(struct map *map, u64 ip) static inline int is_anon_memory(const char *filename) { - return strcmp(filename, "//anon") == 0; + return strcmp(filename, "//anon") == 0; } static struct map *map__new(struct mmap_event *event) @@ -400,9 +411,27 @@ static void thread__insert_map(struct thread *self, struct map *map) list_for_each_entry_safe(pos, tmp, &self->maps, node) { if (map__overlap(pos, map)) { - list_del_init(&pos->node); - /* XXX leaks dsos */ - free(pos); + if (verbose >= 2) { + printf("overlapping maps:\n"); + map__fprintf(map, stdout); + map__fprintf(pos, stdout); + } + + if (map->start <= pos->start && map->end > pos->start) + pos->start = map->end; + + if (map->end >= pos->end && map->start < pos->end) + pos->end = map->start; + + if (verbose >= 2) { + printf("after collision:\n"); + map__fprintf(pos, stdout); + } + + if (pos->start >= pos->end) { + list_del_init(&pos->node); + free(pos); + } } } @@ -464,17 +493,19 @@ static size_t threads__fprintf(FILE *fp) static struct rb_root hist; struct hist_entry { - struct rb_node rb_node; - - struct thread *thread; - struct map *map; - struct dso *dso; - struct symbol *sym; - struct symbol *parent; - u64 ip; - char level; - - u64 count; + struct rb_node rb_node; + + struct thread *thread; + struct map *map; + struct dso *dso; + struct symbol *sym; + struct symbol *parent; + u64 ip; + char level; + struct callchain_node callchain; + struct rb_root sorted_chain; + + u64 count; }; /* @@ -745,6 +776,48 @@ hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) } static size_t +callchain__fprintf(FILE *fp, struct callchain_node *self, u64 total_samples) +{ + struct callchain_list *chain; + size_t ret = 0; + + if (!self) + return 0; + + ret += callchain__fprintf(fp, self->parent, total_samples); + + + list_for_each_entry(chain, &self->val, list) + ret += fprintf(fp, " %p\n", (void *)chain->ip); + + return ret; +} + +static size_t +hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self, + u64 total_samples) +{ + struct rb_node *rb_node; + struct callchain_node *chain; + size_t ret = 0; + + rb_node = rb_first(&self->sorted_chain); + while (rb_node) { + double percent; + + chain = rb_entry(rb_node, struct callchain_node, rb_node); + percent = chain->hit * 100.0 / total_samples; + ret += fprintf(fp, " %6.2f%%\n", percent); + ret += callchain__fprintf(fp, chain, total_samples); + ret += fprintf(fp, "\n"); + rb_node = rb_next(rb_node); + } + + return ret; +} + + +static size_t hist_entry__fprintf(FILE *fp, struct hist_entry *self, u64 total_samples) { struct sort_entry *se; @@ -784,6 +857,9 @@ hist_entry__fprintf(FILE *fp, struct hist_entry *self, u64 total_samples) ret += fprintf(fp, "\n"); + if (callchain) + hist_entry_callchain__fprintf(fp, self, total_samples); + return ret; } @@ -797,7 +873,7 @@ resolve_symbol(struct thread *thread, struct map **mapp, { struct dso *dso = dsop ? *dsop : NULL; struct map *map = mapp ? *mapp : NULL; - uint64_t ip = *ipp; + u64 ip = *ipp; if (!thread) return NULL; @@ -814,7 +890,6 @@ resolve_symbol(struct thread *thread, struct map **mapp, *mapp = map; got_map: ip = map->map_ip(map, ip); - *ipp = ip; dso = map->dso; } else { @@ -828,6 +903,8 @@ got_map: dso = kernel_dso; } dprintf(" ...... dso: %s\n", dso ? dso->name : "<not found>"); + dprintf(" ...... map: %Lx -> %Lx\n", *ipp, ip); + *ipp = ip; if (dsop) *dsop = dso; @@ -867,6 +944,7 @@ hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, .level = level, .count = count, .parent = NULL, + .sorted_chain = RB_ROOT }; int cmp; @@ -909,6 +987,8 @@ hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, if (!cmp) { he->count += count; + if (callchain) + append_chain(&he->callchain, chain); return 0; } @@ -922,6 +1002,10 @@ hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, if (!he) return -ENOMEM; *he = entry; + if (callchain) { + callchain_init(&he->callchain); + append_chain(&he->callchain, chain); + } rb_link_node(&he->rb_node, parent, p); rb_insert_color(&he->rb_node, &hist); @@ -998,6 +1082,9 @@ static void output__insert_entry(struct hist_entry *he) struct rb_node *parent = NULL; struct hist_entry *iter; + if (callchain) + sort_chain_to_rbtree(&he->sorted_chain, &he->callchain); + while (*p != NULL) { parent = *p; iter = rb_entry(parent, struct hist_entry, rb_node); @@ -1115,7 +1202,7 @@ static int validate_chain(struct ip_callchain *chain, event_t *event) } static int -process_overflow_event(event_t *event, unsigned long offset, unsigned long head) +process_sample_event(event_t *event, unsigned long offset, unsigned long head) { char level; int show = 0; @@ -1127,12 +1214,12 @@ process_overflow_event(event_t *event, unsigned long offset, unsigned long head) void *more_data = event->ip.__more_data; struct ip_callchain *chain = NULL; - if (event->header.type & PERF_SAMPLE_PERIOD) { + if (sample_type & PERF_SAMPLE_PERIOD) { period = *(u64 *)more_data; more_data += sizeof(u64); } - dprintf("%p [%p]: PERF_EVENT (IP, %d): %d: %p period: %Ld\n", + dprintf("%p [%p]: PERF_EVENT_SAMPLE (IP, %d): %d: %p period: %Ld\n", (void *)(offset + head), (void *)(long)(event->header.size), event->header.misc, @@ -1140,7 +1227,7 @@ process_overflow_event(event_t *event, unsigned long offset, unsigned long head) (void *)(long)ip, (long long)period); - if (event->header.type & PERF_SAMPLE_CALLCHAIN) { + if (sample_type & PERF_SAMPLE_CALLCHAIN) { int i; chain = (void *)more_data; @@ -1166,6 +1253,9 @@ process_overflow_event(event_t *event, unsigned long offset, unsigned long head) return -1; } + if (comm_list && !strlist__has_entry(comm_list, thread->comm)) + return 0; + if (event->header.misc & PERF_EVENT_MISC_KERNEL) { show = SHOW_KERNEL; level = 'k'; @@ -1188,6 +1278,12 @@ process_overflow_event(event_t *event, unsigned long offset, unsigned long head) if (show & show_mask) { struct symbol *sym = resolve_symbol(thread, &map, &dso, &ip); + if (dso_list && dso && dso->name && !strlist__has_entry(dso_list, dso->name)) + return 0; + + if (sym_list && sym && !strlist__has_entry(sym_list, sym->name)) + return 0; + if (hist_entry__add(thread, map, dso, sym, ip, chain, level, period)) { eprintf("problem incrementing symbol count, skipping event\n"); return -1; @@ -1328,14 +1424,27 @@ static void trace_event(event_t *event) } static int +process_read_event(event_t *event, unsigned long offset, unsigned long head) +{ + dprintf("%p [%p]: PERF_EVENT_READ: %d %d %Lu\n", + (void *)(offset + head), + (void *)(long)(event->header.size), + event->read.pid, + event->read.tid, + event->read.value); + + return 0; +} + +static int process_event(event_t *event, unsigned long offset, unsigned long head) { trace_event(event); - if (event->header.misc & PERF_EVENT_MISC_OVERFLOW) - return process_overflow_event(event, offset, head); - switch (event->header.type) { + case PERF_EVENT_SAMPLE: + return process_sample_event(event, offset, head); + case PERF_EVENT_MMAP: return process_mmap_event(event, offset, head); @@ -1351,6 +1460,9 @@ process_event(event_t *event, unsigned long offset, unsigned long head) case PERF_EVENT_LOST: return process_lost_event(event, offset, head); + case PERF_EVENT_READ: + return process_read_event(event, offset, head); + /* * We dont process them right now but they are fine: */ @@ -1366,13 +1478,30 @@ process_event(event_t *event, unsigned long offset, unsigned long head) return 0; } -static struct perf_file_header file_header; +static struct perf_header *header; + +static u64 perf_header__sample_type(void) +{ + u64 sample_type = 0; + int i; + + for (i = 0; i < header->attrs; i++) { + struct perf_header_attr *attr = header->attr[i]; + + if (!sample_type) + sample_type = attr->attr.sample_type; + else if (sample_type != attr->attr.sample_type) + die("non matching sample_type"); + } + + return sample_type; +} static int __cmd_report(void) { int ret, rc = EXIT_FAILURE; unsigned long offset = 0; - unsigned long head = sizeof(file_header); + unsigned long head, shift; struct stat stat; event_t *event; uint32_t size; @@ -1400,13 +1529,12 @@ static int __cmd_report(void) exit(0); } - if (read(input, &file_header, sizeof(file_header)) == -1) { - perror("failed to read file headers"); - exit(-1); - } + header = perf_header__read(input); + head = header->data_offset; - if (sort__has_parent && - !(file_header.sample_type & PERF_SAMPLE_CALLCHAIN)) { + sample_type = perf_header__sample_type(); + + if (sort__has_parent && !(sample_type & PERF_SAMPLE_CALLCHAIN)) { fprintf(stderr, "selected --sort parent, but no callchain data\n"); exit(-1); } @@ -1426,6 +1554,11 @@ static int __cmd_report(void) cwd = NULL; cwdlen = 0; } + + shift = page_size * (head / page_size); + offset += shift; + head -= shift; + remap: buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ, MAP_SHARED, input, offset); @@ -1442,9 +1575,10 @@ more: size = 8; if (head + event->header.size >= page_size * mmap_window) { - unsigned long shift = page_size * (head / page_size); int ret; + shift = page_size * (head / page_size); + ret = munmap(buf, page_size * mmap_window); assert(ret == 0); @@ -1482,7 +1616,7 @@ more: head += size; - if (offset + head >= sizeof(file_header) + file_header.data_size) + if (offset + head >= header->data_offset + header->data_size) goto done; if (offset + head < stat.st_size) @@ -1536,6 +1670,13 @@ static const struct option options[] = { "regex filter to identify parent, see: '--sort parent'"), OPT_BOOLEAN('x', "exclude-other", &exclude_other, "Only display entries with parent-match"), + OPT_BOOLEAN('c', "callchain", &callchain, "Display callchains"), + OPT_STRING('d', "dsos", &dso_list_str, "dso[,dso...]", + "only consider symbols in these dsos"), + OPT_STRING('C', "comms", &comm_list_str, "comm[,comm...]", + "only consider symbols in these comms"), + OPT_STRING('S', "symbols", &sym_list_str, "symbol[,symbol...]", + "only consider these symbols"), OPT_END() }; @@ -1554,6 +1695,19 @@ static void setup_sorting(void) free(str); } +static void setup_list(struct strlist **list, const char *list_str, + const char *list_name) +{ + if (list_str) { + *list = strlist__new(true, list_str); + if (!*list) { + fprintf(stderr, "problems parsing %s list\n", + list_name); + exit(129); + } + } +} + int cmd_report(int argc, const char **argv, const char *prefix) { symbol__init(); @@ -1575,6 +1729,10 @@ int cmd_report(int argc, const char **argv, const char *prefix) if (argc) usage_with_options(report_usage, options); + setup_list(&dso_list, dso_list_str, "dso"); + setup_list(&comm_list, comm_list_str, "comm"); + setup_list(&sym_list, sym_list_str, "symbol"); + setup_pager(); return __cmd_report(); diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 6d3eeac..2e03524 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -32,6 +32,7 @@ * Wu Fengguang <fengguang.wu@intel.com> * Mike Galbraith <efault@gmx.de> * Paul Mackerras <paulus@samba.org> + * Jaswinder Singh Rajput <jaswinder@kernel.org> * * Released under the GPL v2. (and only v2, not any later version) */ @@ -45,7 +46,7 @@ #include <sys/prctl.h> #include <math.h> -static struct perf_counter_attr default_attrs[MAX_COUNTERS] = { +static struct perf_counter_attr default_attrs[] = { { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES}, @@ -59,42 +60,28 @@ static struct perf_counter_attr default_attrs[MAX_COUNTERS] = { }; +#define MAX_RUN 100 + static int system_wide = 0; -static int inherit = 1; static int verbose = 0; - -static int fd[MAX_NR_CPUS][MAX_COUNTERS]; - -static int target_pid = -1; static int nr_cpus = 0; -static unsigned int page_size; +static int run_idx = 0; +static int run_count = 1; +static int inherit = 1; static int scale = 1; +static int target_pid = -1; +static int null_run = 0; -static const unsigned int default_count[] = { - 1000000, - 1000000, - 10000, - 10000, - 1000000, - 10000, -}; - -#define MAX_RUN 100 - -static int run_count = 1; -static int run_idx = 0; - -static u64 event_res[MAX_RUN][MAX_COUNTERS][3]; -static u64 event_scaled[MAX_RUN][MAX_COUNTERS]; - -//static u64 event_hist[MAX_RUN][MAX_COUNTERS][3]; - +static int fd[MAX_NR_CPUS][MAX_COUNTERS]; static u64 runtime_nsecs[MAX_RUN]; static u64 walltime_nsecs[MAX_RUN]; static u64 runtime_cycles[MAX_RUN]; +static u64 event_res[MAX_RUN][MAX_COUNTERS][3]; +static u64 event_scaled[MAX_RUN][MAX_COUNTERS]; + static u64 event_res_avg[MAX_COUNTERS][3]; static u64 event_res_noise[MAX_COUNTERS][3]; @@ -109,7 +96,10 @@ static u64 walltime_nsecs_noise; static u64 runtime_cycles_avg; static u64 runtime_cycles_noise; -static void create_perf_stat_counter(int counter) +#define ERR_PERF_OPEN \ +"Error: counter %d, sys_perf_counter_open() syscall returned with %d (%s)\n" + +static void create_perf_stat_counter(int counter, int pid) { struct perf_counter_attr *attr = attrs + counter; @@ -119,20 +109,21 @@ static void create_perf_stat_counter(int counter) if (system_wide) { int cpu; - for (cpu = 0; cpu < nr_cpus; cpu ++) { + for (cpu = 0; cpu < nr_cpus; cpu++) { fd[cpu][counter] = sys_perf_counter_open(attr, -1, cpu, -1, 0); - if (fd[cpu][counter] < 0 && verbose) { - printf("Error: counter %d, sys_perf_counter_open() syscall returned with %d (%s)\n", counter, fd[cpu][counter], strerror(errno)); - } + if (fd[cpu][counter] < 0 && verbose) + fprintf(stderr, ERR_PERF_OPEN, counter, + fd[cpu][counter], strerror(errno)); } } else { - attr->inherit = inherit; - attr->disabled = 1; - - fd[0][counter] = sys_perf_counter_open(attr, 0, -1, -1, 0); - if (fd[0][counter] < 0 && verbose) { - printf("Error: counter %d, sys_perf_counter_open() syscall returned with %d (%s)\n", counter, fd[0][counter], strerror(errno)); - } + attr->inherit = inherit; + attr->disabled = 1; + attr->enable_on_exec = 1; + + fd[0][counter] = sys_perf_counter_open(attr, pid, -1, -1, 0); + if (fd[0][counter] < 0 && verbose) + fprintf(stderr, ERR_PERF_OPEN, counter, + fd[0][counter], strerror(errno)); } } @@ -168,7 +159,7 @@ static void read_counter(int counter) count[0] = count[1] = count[2] = 0; nv = scale ? 3 : 1; - for (cpu = 0; cpu < nr_cpus; cpu ++) { + for (cpu = 0; cpu < nr_cpus; cpu++) { if (fd[cpu][counter] < 0) continue; @@ -215,32 +206,67 @@ static int run_perf_stat(int argc, const char **argv) int status = 0; int counter; int pid; + int child_ready_pipe[2], go_pipe[2]; + char buf; if (!system_wide) nr_cpus = 1; - for (counter = 0; counter < nr_counters; counter++) - create_perf_stat_counter(counter); - - /* - * Enable counters and exec the command: - */ - t0 = rdclock(); - prctl(PR_TASK_PERF_COUNTERS_ENABLE); + if (pipe(child_ready_pipe) < 0 || pipe(go_pipe) < 0) { + perror("failed to create pipes"); + exit(1); + } if ((pid = fork()) < 0) perror("failed to fork"); if (!pid) { - if (execvp(argv[0], (char **)argv)) { - perror(argv[0]); - exit(-1); - } + close(child_ready_pipe[0]); + close(go_pipe[1]); + fcntl(go_pipe[0], F_SETFD, FD_CLOEXEC); + + /* + * Do a dummy execvp to get the PLT entry resolved, + * so we avoid the resolver overhead on the real + * execvp call. + */ + execvp("", (char **)argv); + + /* + * Tell the parent we're ready to go + */ + close(child_ready_pipe[1]); + + /* + * Wait until the parent tells us to go. + */ + read(go_pipe[0], &buf, 1); + + execvp(argv[0], (char **)argv); + + perror(argv[0]); + exit(-1); } + /* + * Wait for the child to be ready to exec. + */ + close(child_ready_pipe[1]); + close(go_pipe[0]); + read(child_ready_pipe[0], &buf, 1); + close(child_ready_pipe[0]); + + for (counter = 0; counter < nr_counters; counter++) + create_perf_stat_counter(counter, pid); + + /* + * Enable counters and exec the command: + */ + t0 = rdclock(); + + close(go_pipe[1]); wait(&status); - prctl(PR_TASK_PERF_COUNTERS_DISABLE); t1 = rdclock(); walltime_nsecs[run_idx] = t1 - t0; @@ -262,7 +288,7 @@ static void nsec_printout(int counter, u64 *count, u64 *noise) { double msecs = (double)count[0] / 1000000; - fprintf(stderr, " %14.6f %-20s", msecs, event_name(counter)); + fprintf(stderr, " %14.6f %-24s", msecs, event_name(counter)); if (attrs[counter].type == PERF_TYPE_SOFTWARE && attrs[counter].config == PERF_COUNT_SW_TASK_CLOCK) { @@ -276,7 +302,7 @@ static void nsec_printout(int counter, u64 *count, u64 *noise) static void abs_printout(int counter, u64 *count, u64 *noise) { - fprintf(stderr, " %14Ld %-20s", count[0], event_name(counter)); + fprintf(stderr, " %14Ld %-24s", count[0], event_name(counter)); if (runtime_cycles_avg && attrs[counter].type == PERF_TYPE_HARDWARE && @@ -306,7 +332,7 @@ static void print_counter(int counter) scaled = event_scaled_avg[counter]; if (scaled == -1) { - fprintf(stderr, " %14s %-20s\n", + fprintf(stderr, " %14s %-24s\n", "<not counted>", event_name(counter)); return; } @@ -364,8 +390,11 @@ static void calc_avg(void) event_res_avg[j]+1, event_res[i][j]+1); update_avg("counter/2", j, event_res_avg[j]+2, event_res[i][j]+2); - update_avg("scaled", j, - event_scaled_avg + j, event_scaled[i]+j); + if (event_scaled[i][j] != -1) + update_avg("scaled", j, + event_scaled_avg + j, event_scaled[i]+j); + else + event_scaled_avg[j] = -1; } } runtime_nsecs_avg /= run_count; @@ -429,11 +458,14 @@ static void print_stat(int argc, const char **argv) for (counter = 0; counter < nr_counters; counter++) print_counter(counter); - fprintf(stderr, "\n"); - fprintf(stderr, " %14.9f seconds time elapsed.\n", + fprintf(stderr, " %14.9f seconds time elapsed", (double)walltime_nsecs_avg/1e9); - fprintf(stderr, "\n"); + if (run_count > 1) { + fprintf(stderr, " ( +- %7.3f%% )", + 100.0*(double)walltime_nsecs_noise/(double)walltime_nsecs_avg); + } + fprintf(stderr, "\n\n"); } static volatile int signr = -1; @@ -466,13 +498,15 @@ static const struct option options[] = { OPT_INTEGER('p', "pid", &target_pid, "stat events on existing pid"), OPT_BOOLEAN('a', "all-cpus", &system_wide, - "system-wide collection from all CPUs"), + "system-wide collection from all CPUs"), OPT_BOOLEAN('S', "scale", &scale, - "scale/normalize counters"), + "scale/normalize counters"), OPT_BOOLEAN('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"), OPT_INTEGER('r', "repeat", &run_count, "repeat command and print average + stddev (max: 100)"), + OPT_BOOLEAN('n', "null", &null_run, + "null run - dont start any counters"), OPT_END() }; @@ -480,18 +514,17 @@ int cmd_stat(int argc, const char **argv, const char *prefix) { int status; - page_size = sysconf(_SC_PAGE_SIZE); - - memcpy(attrs, default_attrs, sizeof(attrs)); - argc = parse_options(argc, argv, options, stat_usage, 0); if (!argc) usage_with_options(stat_usage, options); if (run_count <= 0 || run_count > MAX_RUN) usage_with_options(stat_usage, options); - if (!nr_counters) - nr_counters = 8; + /* Set attrs and nr_counters if no event is selected and !null_run */ + if (!null_run && !nr_counters) { + memcpy(attrs, default_attrs, sizeof(default_attrs)); + nr_counters = ARRAY_SIZE(default_attrs); + } nr_cpus = sysconf(_SC_NPROCESSORS_ONLN); assert(nr_cpus <= MAX_NR_CPUS); @@ -511,7 +544,7 @@ int cmd_stat(int argc, const char **argv, const char *prefix) status = 0; for (run_idx = 0; run_idx < run_count; run_idx++) { if (run_count != 1 && verbose) - fprintf(stderr, "[ perf stat: executing run #%d ... ]\n", run_idx+1); + fprintf(stderr, "[ perf stat: executing run #%d ... ]\n", run_idx + 1); status = run_perf_stat(argc, argv); } diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 5352b5e..cf0d21f 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -392,11 +392,11 @@ static void record_ip(u64 ip, int counter) samples--; } -static void process_event(u64 ip, int counter) +static void process_event(u64 ip, int counter, int user) { samples++; - if (ip < min_ip || ip > max_ip) { + if (user) { userspace_samples++; return; } @@ -509,9 +509,10 @@ static void mmap_read_counter(struct mmap_data *md) old += size; - if (event->header.misc & PERF_EVENT_MISC_OVERFLOW) { - if (event->header.type & PERF_SAMPLE_IP) - process_event(event->ip.ip, md->counter); + if (event->header.type == PERF_EVENT_SAMPLE) { + int user = + (event->header.misc & PERF_EVENT_MISC_CPUMODE_MASK) == PERF_EVENT_MISC_USER; + process_event(event->ip.ip, md->counter, user); } } diff --git a/tools/perf/perf.h b/tools/perf/perf.h index ceb68aa..d3042a6 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -19,13 +19,29 @@ #define cpu_relax() asm volatile("" ::: "memory"); #endif +#ifdef __sh__ +#include "../../arch/sh/include/asm/unistd.h" +#if defined(__SH4A__) || defined(__SH5__) +# define rmb() asm volatile("synco" ::: "memory") +#else +# define rmb() asm volatile("" ::: "memory") +#endif +#define cpu_relax() asm volatile("" ::: "memory") +#endif + +#ifdef __hppa__ +#include "../../arch/parisc/include/asm/unistd.h" +#define rmb() asm volatile("" ::: "memory") +#define cpu_relax() asm volatile("" ::: "memory"); +#endif + #include <time.h> #include <unistd.h> #include <sys/types.h> #include <sys/syscall.h> #include "../../include/linux/perf_counter.h" -#include "types.h" +#include "util/types.h" /* * prctl(PR_TASK_PERF_COUNTERS_DISABLE) will (cheaply) disable all @@ -72,10 +88,9 @@ sys_perf_counter_open(struct perf_counter_attr *attr, #define MAX_COUNTERS 256 #define MAX_NR_CPUS 256 -struct perf_file_header { - u64 version; - u64 sample_type; - u64 data_size; +struct ip_callchain { + u64 nr; + u64 ips[0]; }; #endif diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c new file mode 100644 index 0000000..ad3c285 --- /dev/null +++ b/tools/perf/util/callchain.c @@ -0,0 +1,174 @@ +/* + * Copyright (C) 2009, Frederic Weisbecker <fweisbec@gmail.com> + * + * Handle the callchains from the stream in an ad-hoc radix tree and then + * sort them in an rbtree. + * + */ + +#include <stdlib.h> +#include <stdio.h> +#include <stdbool.h> +#include <errno.h> + +#include "callchain.h" + + +static void rb_insert_callchain(struct rb_root *root, struct callchain_node *chain) +{ + struct rb_node **p = &root->rb_node; + struct rb_node *parent = NULL; + struct callchain_node *rnode; + + while (*p) { + parent = *p; + rnode = rb_entry(parent, struct callchain_node, rb_node); + + if (rnode->hit < chain->hit) + p = &(*p)->rb_left; + else + p = &(*p)->rb_right; + } + + rb_link_node(&chain->rb_node, parent, p); + rb_insert_color(&chain->rb_node, root); +} + +/* + * Once we get every callchains from the stream, we can now + * sort them by hit + */ +void sort_chain_to_rbtree(struct rb_root *rb_root, struct callchain_node *node) +{ + struct callchain_node *child; + + list_for_each_entry(child, &node->children, brothers) + sort_chain_to_rbtree(rb_root, child); + + if (node->hit) + rb_insert_callchain(rb_root, node); +} + +static struct callchain_node *create_child(struct callchain_node *parent) +{ + struct callchain_node *new; + + new = malloc(sizeof(*new)); + if (!new) { + perror("not enough memory to create child for code path tree"); + return NULL; + } + new->parent = parent; + INIT_LIST_HEAD(&new->children); + INIT_LIST_HEAD(&new->val); + list_add_tail(&new->brothers, &parent->children); + + return new; +} + +static void +fill_node(struct callchain_node *node, struct ip_callchain *chain, int start) +{ + int i; + + for (i = start; i < chain->nr; i++) { + struct callchain_list *call; + + call = malloc(sizeof(*chain)); + if (!call) { + perror("not enough memory for the code path tree"); + return; + } + call->ip = chain->ips[i]; + list_add_tail(&call->list, &node->val); + } + node->val_nr = i - start; +} + +static void add_child(struct callchain_node *parent, struct ip_callchain *chain) +{ + struct callchain_node *new; + + new = create_child(parent); + fill_node(new, chain, parent->val_nr); + + new->hit = 1; +} + +static void +split_add_child(struct callchain_node *parent, struct ip_callchain *chain, + struct callchain_list *to_split, int idx) +{ + struct callchain_node *new; + + /* split */ + new = create_child(parent); + list_move_tail(&to_split->list, &new->val); + new->hit = parent->hit; + parent->hit = 0; + parent->val_nr = idx; + + /* create the new one */ + add_child(parent, chain); +} + +static int +__append_chain(struct callchain_node *root, struct ip_callchain *chain, + int start); + +static int +__append_chain_children(struct callchain_node *root, struct ip_callchain *chain) +{ + struct callchain_node *rnode; + + /* lookup in childrens */ + list_for_each_entry(rnode, &root->children, brothers) { + int ret = __append_chain(rnode, chain, root->val_nr); + if (!ret) + return 0; + } + return -1; +} + +static int +__append_chain(struct callchain_node *root, struct ip_callchain *chain, + int start) +{ + struct callchain_list *cnode; + int i = start; + bool found = false; + + /* lookup in the current node */ + list_for_each_entry(cnode, &root->val, list) { + if (cnode->ip != chain->ips[i++]) + break; + if (!found) + found = true; + if (i == chain->nr) + break; + } + + /* matches not, relay on the parent */ + if (!found) + return -1; + + /* we match only a part of the node. Split it and add the new chain */ + if (i < root->val_nr) { + split_add_child(root, chain, cnode, i); + return 0; + } + + /* we match 100% of the path, increment the hit */ + if (i == root->val_nr) { + root->hit++; + return 0; + } + + return __append_chain_children(root, chain); +} + +void append_chain(struct callchain_node *root, struct ip_callchain *chain) +{ + if (__append_chain_children(root, chain) == -1) + add_child(root, chain); +} diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h new file mode 100644 index 0000000..fa1cd2f --- /dev/null +++ b/tools/perf/util/callchain.h @@ -0,0 +1,33 @@ +#ifndef __PERF_CALLCHAIN_H +#define __PERF_CALLCHAIN_H + +#include "../perf.h" +#include "list.h" +#include "rbtree.h" + + +struct callchain_node { + struct callchain_node *parent; + struct list_head brothers; + struct list_head children; + struct list_head val; + struct rb_node rb_node; + int val_nr; + int hit; +}; + +struct callchain_list { + unsigned long ip; + struct list_head list; +}; + +static inline void callchain_init(struct callchain_node *node) +{ + INIT_LIST_HEAD(&node->brothers); + INIT_LIST_HEAD(&node->children); + INIT_LIST_HEAD(&node->val); +} + +void append_chain(struct callchain_node *root, struct ip_callchain *chain); +void sort_chain_to_rbtree(struct rb_root *rb_root, struct callchain_node *node); +#endif diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c new file mode 100644 index 0000000..450384b --- /dev/null +++ b/tools/perf/util/header.c @@ -0,0 +1,242 @@ +#include <sys/types.h> +#include <unistd.h> +#include <stdio.h> +#include <stdlib.h> + +#include "util.h" +#include "header.h" + +/* + * + */ + +struct perf_header_attr *perf_header_attr__new(struct perf_counter_attr *attr) +{ + struct perf_header_attr *self = malloc(sizeof(*self)); + + if (!self) + die("nomem"); + + self->attr = *attr; + self->ids = 0; + self->size = 1; + self->id = malloc(sizeof(u64)); + + if (!self->id) + die("nomem"); + + return self; +} + +void perf_header_attr__add_id(struct perf_header_attr *self, u64 id) +{ + int pos = self->ids; + + self->ids++; + if (self->ids > self->size) { + self->size *= 2; + self->id = realloc(self->id, self->size * sizeof(u64)); + if (!self->id) + die("nomem"); + } + self->id[pos] = id; +} + +/* + * + */ + +struct perf_header *perf_header__new(void) +{ + struct perf_header *self = malloc(sizeof(*self)); + + if (!self) + die("nomem"); + + self->frozen = 0; + + self->attrs = 0; + self->size = 1; + self->attr = malloc(sizeof(void *)); + + if (!self->attr) + die("nomem"); + + self->data_offset = 0; + self->data_size = 0; + + return self; +} + +void perf_header__add_attr(struct perf_header *self, + struct perf_header_attr *attr) +{ + int pos = self->attrs; + + if (self->frozen) + die("frozen"); + + self->attrs++; + if (self->attrs > self->size) { + self->size *= 2; + self->attr = realloc(self->attr, self->size * sizeof(void *)); + if (!self->attr) + die("nomem"); + } + self->attr[pos] = attr; +} + +static const char *__perf_magic = "PERFFILE"; + +#define PERF_MAGIC (*(u64 *)__perf_magic) + +struct perf_file_section { + u64 offset; + u64 size; +}; + +struct perf_file_attr { + struct perf_counter_attr attr; + struct perf_file_section ids; +}; + +struct perf_file_header { + u64 magic; + u64 size; + u64 attr_size; + struct perf_file_section attrs; + struct perf_file_section data; +}; + +static void do_write(int fd, void *buf, size_t size) +{ + while (size) { + int ret = write(fd, buf, size); + + if (ret < 0) + die("failed to write"); + + size -= ret; + buf += ret; + } +} + +void perf_header__write(struct perf_header *self, int fd) +{ + struct perf_file_header f_header; + struct perf_file_attr f_attr; + struct perf_header_attr *attr; + int i; + + lseek(fd, sizeof(f_header), SEEK_SET); + + + for (i = 0; i < self->attrs; i++) { + attr = self->attr[i]; + + attr->id_offset = lseek(fd, 0, SEEK_CUR); + do_write(fd, attr->id, attr->ids * sizeof(u64)); + } + + + self->attr_offset = lseek(fd, 0, SEEK_CUR); + + for (i = 0; i < self->attrs; i++) { + attr = self->attr[i]; + + f_attr = (struct perf_file_attr){ + .attr = attr->attr, + .ids = { + .offset = attr->id_offset, + .size = attr->ids * sizeof(u64), + } + }; + do_write(fd, &f_attr, sizeof(f_attr)); + } + + + self->data_offset = lseek(fd, 0, SEEK_CUR); + + f_header = (struct perf_file_header){ + .magic = PERF_MAGIC, + .size = sizeof(f_header), + .attr_size = sizeof(f_attr), + .attrs = { + .offset = self->attr_offset, + .size = self->attrs * sizeof(f_attr), + }, + .data = { + .offset = self->data_offset, + .size = self->data_size, + }, + }; + + lseek(fd, 0, SEEK_SET); + do_write(fd, &f_header, sizeof(f_header)); + lseek(fd, self->data_offset + self->data_size, SEEK_SET); + + self->frozen = 1; +} + +static void do_read(int fd, void *buf, size_t size) +{ + while (size) { + int ret = read(fd, buf, size); + + if (ret < 0) + die("failed to read"); + + size -= ret; + buf += ret; + } +} + +struct perf_header *perf_header__read(int fd) +{ + struct perf_header *self = perf_header__new(); + struct perf_file_header f_header; + struct perf_file_attr f_attr; + u64 f_id; + + int nr_attrs, nr_ids, i, j; + + lseek(fd, 0, SEEK_SET); + do_read(fd, &f_header, sizeof(f_header)); + + if (f_header.magic != PERF_MAGIC || + f_header.size != sizeof(f_header) || + f_header.attr_size != sizeof(f_attr)) + die("incompatible file format"); + + nr_attrs = f_header.attrs.size / sizeof(f_attr); + lseek(fd, f_header.attrs.offset, SEEK_SET); + + for (i = 0; i < nr_attrs; i++) { + struct perf_header_attr *attr; + off_t tmp = lseek(fd, 0, SEEK_CUR); + + do_read(fd, &f_attr, sizeof(f_attr)); + + attr = perf_header_attr__new(&f_attr.attr); + + nr_ids = f_attr.ids.size / sizeof(u64); + lseek(fd, f_attr.ids.offset, SEEK_SET); + + for (j = 0; j < nr_ids; j++) { + do_read(fd, &f_id, sizeof(f_id)); + + perf_header_attr__add_id(attr, f_id); + } + perf_header__add_attr(self, attr); + lseek(fd, tmp, SEEK_SET); + } + + self->data_offset = f_header.data.offset; + self->data_size = f_header.data.size; + + lseek(fd, self->data_offset + self->data_size, SEEK_SET); + + self->frozen = 1; + + return self; +} diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h new file mode 100644 index 0000000..b5ef53a --- /dev/null +++ b/tools/perf/util/header.h @@ -0,0 +1,37 @@ +#ifndef _PERF_HEADER_H +#define _PERF_HEADER_H + +#include "../../../include/linux/perf_counter.h" +#include <sys/types.h> +#include "types.h" + +struct perf_header_attr { + struct perf_counter_attr attr; + int ids, size; + u64 *id; + off_t id_offset; +}; + +struct perf_header { + int frozen; + int attrs, size; + struct perf_header_attr **attr; + off_t attr_offset; + u64 data_offset; + u64 data_size; +}; + +struct perf_header *perf_header__read(int fd); +void perf_header__write(struct perf_header *self, int fd); + +void perf_header__add_attr(struct perf_header *self, + struct perf_header_attr *attr); + +struct perf_header_attr * +perf_header_attr__new(struct perf_counter_attr *attr); +void perf_header_attr__add_id(struct perf_header_attr *self, u64 id); + + +struct perf_header *perf_header__new(void); + +#endif /* _PERF_HEADER_H */ diff --git a/tools/perf/util/help.c b/tools/perf/util/help.c index 6653f7d..17a00e0 100644 --- a/tools/perf/util/help.c +++ b/tools/perf/util/help.c @@ -126,21 +126,6 @@ static int is_executable(const char *name) !S_ISREG(st.st_mode)) return 0; -#ifdef __MINGW32__ - /* cannot trust the executable bit, peek into the file instead */ - char buf[3] = { 0 }; - int n; - int fd = open(name, O_RDONLY); - st.st_mode &= ~S_IXUSR; - if (fd >= 0) { - n = read(fd, buf, 2); - if (n == 2) - /* DOS executables start with "MZ" */ - if (!strcmp(buf, "#!") || !strcmp(buf, "MZ")) - st.st_mode |= S_IXUSR; - close(fd); - } -#endif return st.st_mode & S_IXUSR; } diff --git a/tools/perf/util/pager.c b/tools/perf/util/pager.c index a28bcca..1915de2 100644 --- a/tools/perf/util/pager.c +++ b/tools/perf/util/pager.c @@ -9,7 +9,6 @@ static int spawned_pager; -#ifndef __MINGW32__ static void pager_preexec(void) { /* @@ -24,7 +23,6 @@ static void pager_preexec(void) setenv("LESS", "FRSX", 0); } -#endif static const char *pager_argv[] = { "sh", "-c", NULL, NULL }; static struct child_process pager_process; @@ -70,9 +68,8 @@ void setup_pager(void) pager_argv[2] = pager; pager_process.argv = pager_argv; pager_process.in = -1; -#ifndef __MINGW32__ pager_process.preexec_cb = pager_preexec; -#endif + if (start_command(&pager_process)) return; diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 35d04da..4d042f1 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -16,32 +16,28 @@ struct event_symbol { u8 type; u64 config; char *symbol; + char *alias; }; -#define C(x, y) .type = PERF_TYPE_##x, .config = PERF_COUNT_##y -#define CR(x, y) .type = PERF_TYPE_##x, .config = y +#define CHW(x) .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_##x +#define CSW(x) .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_##x static struct event_symbol event_symbols[] = { - { C(HARDWARE, HW_CPU_CYCLES), "cpu-cycles", }, - { C(HARDWARE, HW_CPU_CYCLES), "cycles", }, - { C(HARDWARE, HW_INSTRUCTIONS), "instructions", }, - { C(HARDWARE, HW_CACHE_REFERENCES), "cache-references", }, - { C(HARDWARE, HW_CACHE_MISSES), "cache-misses", }, - { C(HARDWARE, HW_BRANCH_INSTRUCTIONS),"branch-instructions", }, - { C(HARDWARE, HW_BRANCH_INSTRUCTIONS),"branches", }, - { C(HARDWARE, HW_BRANCH_MISSES), "branch-misses", }, - { C(HARDWARE, HW_BUS_CYCLES), "bus-cycles", }, - - { C(SOFTWARE, SW_CPU_CLOCK), "cpu-clock", }, - { C(SOFTWARE, SW_TASK_CLOCK), "task-clock", }, - { C(SOFTWARE, SW_PAGE_FAULTS), "page-faults", }, - { C(SOFTWARE, SW_PAGE_FAULTS), "faults", }, - { C(SOFTWARE, SW_PAGE_FAULTS_MIN), "minor-faults", }, - { C(SOFTWARE, SW_PAGE_FAULTS_MAJ), "major-faults", }, - { C(SOFTWARE, SW_CONTEXT_SWITCHES), "context-switches", }, - { C(SOFTWARE, SW_CONTEXT_SWITCHES), "cs", }, - { C(SOFTWARE, SW_CPU_MIGRATIONS), "cpu-migrations", }, - { C(SOFTWARE, SW_CPU_MIGRATIONS), "migrations", }, + { CHW(CPU_CYCLES), "cpu-cycles", "cycles" }, + { CHW(INSTRUCTIONS), "instructions", "" }, + { CHW(CACHE_REFERENCES), "cache-references", "" }, + { CHW(CACHE_MISSES), "cache-misses", "" }, + { CHW(BRANCH_INSTRUCTIONS), "branch-instructions", "branches" }, + { CHW(BRANCH_MISSES), "branch-misses", "" }, + { CHW(BUS_CYCLES), "bus-cycles", "" }, + + { CSW(CPU_CLOCK), "cpu-clock", "" }, + { CSW(TASK_CLOCK), "task-clock", "" }, + { CSW(PAGE_FAULTS), "page-faults", "faults" }, + { CSW(PAGE_FAULTS_MIN), "minor-faults", "" }, + { CSW(PAGE_FAULTS_MAJ), "major-faults", "" }, + { CSW(CONTEXT_SWITCHES), "context-switches", "cs" }, + { CSW(CPU_MIGRATIONS), "cpu-migrations", "migrations" }, }; #define __PERF_COUNTER_FIELD(config, name) \ @@ -74,26 +70,70 @@ static char *sw_event_names[] = { #define MAX_ALIASES 8 -static char *hw_cache [][MAX_ALIASES] = { - { "L1-data" , "l1-d", "l1d" }, - { "L1-instruction" , "l1-i", "l1i" }, - { "L2" , "l2" }, - { "Data-TLB" , "dtlb", "d-tlb" }, - { "Instruction-TLB" , "itlb", "i-tlb" }, - { "Branch" , "bpu" , "btb", "bpc" }, +static char *hw_cache[][MAX_ALIASES] = { + { "L1-d$", "l1-d", "l1d", "L1-data", }, + { "L1-i$", "l1-i", "l1i", "L1-instruction", }, + { "LLC", "L2" }, + { "dTLB", "d-tlb", "Data-TLB", }, + { "iTLB", "i-tlb", "Instruction-TLB", }, + { "branch", "branches", "bpu", "btb", "bpc", }, }; -static char *hw_cache_op [][MAX_ALIASES] = { - { "Load" , "read" }, - { "Store" , "write" }, - { "Prefetch" , "speculative-read", "speculative-load" }, +static char *hw_cache_op[][MAX_ALIASES] = { + { "load", "loads", "read", }, + { "store", "stores", "write", }, + { "prefetch", "prefetches", "speculative-read", "speculative-load", }, }; -static char *hw_cache_result [][MAX_ALIASES] = { - { "Reference" , "ops", "access" }, - { "Miss" }, +static char *hw_cache_result[][MAX_ALIASES] = { + { "refs", "Reference", "ops", "access", }, + { "misses", "miss", }, }; +#define C(x) PERF_COUNT_HW_CACHE_##x +#define CACHE_READ (1 << C(OP_READ)) +#define CACHE_WRITE (1 << C(OP_WRITE)) +#define CACHE_PREFETCH (1 << C(OP_PREFETCH)) +#define COP(x) (1 << x) + +/* + * cache operartion stat + * L1I : Read and prefetch only + * ITLB and BPU : Read-only + */ +static unsigned long hw_cache_stat[C(MAX)] = { + [C(L1D)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH), + [C(L1I)] = (CACHE_READ | CACHE_PREFETCH), + [C(LL)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH), + [C(DTLB)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH), + [C(ITLB)] = (CACHE_READ), + [C(BPU)] = (CACHE_READ), +}; + +static int is_cache_op_valid(u8 cache_type, u8 cache_op) +{ + if (hw_cache_stat[cache_type] & COP(cache_op)) + return 1; /* valid */ + else + return 0; /* invalid */ +} + +static char *event_cache_name(u8 cache_type, u8 cache_op, u8 cache_result) +{ + static char name[50]; + + if (cache_result) { + sprintf(name, "%s-%s-%s", hw_cache[cache_type][0], + hw_cache_op[cache_op][0], + hw_cache_result[cache_result][0]); + } else { + sprintf(name, "%s-%s", hw_cache[cache_type][0], + hw_cache_op[cache_op][1]); + } + + return name; +} + char *event_name(int counter) { u64 config = attrs[counter].config; @@ -113,7 +153,6 @@ char *event_name(int counter) case PERF_TYPE_HW_CACHE: { u8 cache_type, cache_op, cache_result; - static char name[100]; cache_type = (config >> 0) & 0xff; if (cache_type > PERF_COUNT_HW_CACHE_MAX) @@ -127,12 +166,10 @@ char *event_name(int counter) if (cache_result > PERF_COUNT_HW_CACHE_RESULT_MAX) return "unknown-ext-hardware-cache-result"; - sprintf(name, "%s-Cache-%s-%ses", - hw_cache[cache_type][0], - hw_cache_op[cache_op][0], - hw_cache_result[cache_result][0]); + if (!is_cache_op_valid(cache_type, cache_op)) + return "invalid-cache"; - return name; + return event_cache_name(cache_type, cache_op, cache_result); } case PERF_TYPE_SOFTWARE: @@ -163,7 +200,8 @@ static int parse_aliases(const char *str, char *names[][MAX_ALIASES], int size) return -1; } -static int parse_generic_hw_symbols(const char *str, struct perf_counter_attr *attr) +static int +parse_generic_hw_symbols(const char *str, struct perf_counter_attr *attr) { int cache_type = -1, cache_op = 0, cache_result = 0; @@ -182,6 +220,9 @@ static int parse_generic_hw_symbols(const char *str, struct perf_counter_attr *a if (cache_op == -1) cache_op = PERF_COUNT_HW_CACHE_OP_READ; + if (!is_cache_op_valid(cache_type, cache_op)) + return -EINVAL; + cache_result = parse_aliases(str, hw_cache_result, PERF_COUNT_HW_CACHE_RESULT_MAX); /* @@ -196,6 +237,19 @@ static int parse_generic_hw_symbols(const char *str, struct perf_counter_attr *a return 0; } +static int check_events(const char *str, unsigned int i) +{ + if (!strncmp(str, event_symbols[i].symbol, + strlen(event_symbols[i].symbol))) + return 1; + + if (strlen(event_symbols[i].alias)) + if (!strncmp(str, event_symbols[i].alias, + strlen(event_symbols[i].alias))) + return 1; + return 0; +} + /* * Each event can have multiple symbolic names. * Symbolic names are (almost) exactly matched. @@ -235,9 +289,7 @@ static int parse_event_symbols(const char *str, struct perf_counter_attr *attr) } for (i = 0; i < ARRAY_SIZE(event_symbols); i++) { - if (!strncmp(str, event_symbols[i].symbol, - strlen(event_symbols[i].symbol))) { - + if (check_events(str, i)) { attr->type = event_symbols[i].type; attr->config = event_symbols[i].config; @@ -289,6 +341,7 @@ void print_events(void) { struct event_symbol *syms = event_symbols; unsigned int i, type, prev_type = -1; + char name[40]; fprintf(stderr, "\n"); fprintf(stderr, "List of pre-defined events (to be used in -e):\n"); @@ -301,14 +354,18 @@ void print_events(void) if (type != prev_type) fprintf(stderr, "\n"); - fprintf(stderr, " %-30s [%s]\n", syms->symbol, + if (strlen(syms->alias)) + sprintf(name, "%s OR %s", syms->symbol, syms->alias); + else + strcpy(name, syms->symbol); + fprintf(stderr, " %-40s [%s]\n", name, event_type_descriptors[type]); prev_type = type; } fprintf(stderr, "\n"); - fprintf(stderr, " %-30s [raw hardware event descriptor]\n", + fprintf(stderr, " %-40s [raw hardware event descriptor]\n", "rNNN"); fprintf(stderr, "\n"); diff --git a/tools/perf/util/run-command.c b/tools/perf/util/run-command.c index b2f5e85..a393534 100644 --- a/tools/perf/util/run-command.c +++ b/tools/perf/util/run-command.c @@ -65,7 +65,6 @@ int start_command(struct child_process *cmd) cmd->err = fderr[0]; } -#ifndef __MINGW32__ fflush(NULL); cmd->pid = fork(); if (!cmd->pid) { @@ -118,71 +117,6 @@ int start_command(struct child_process *cmd) } exit(127); } -#else - int s0 = -1, s1 = -1, s2 = -1; /* backups of stdin, stdout, stderr */ - const char **sargv = cmd->argv; - char **env = environ; - - if (cmd->no_stdin) { - s0 = dup(0); - dup_devnull(0); - } else if (need_in) { - s0 = dup(0); - dup2(fdin[0], 0); - } else if (cmd->in) { - s0 = dup(0); - dup2(cmd->in, 0); - } - - if (cmd->no_stderr) { - s2 = dup(2); - dup_devnull(2); - } else if (need_err) { - s2 = dup(2); - dup2(fderr[1], 2); - } - - if (cmd->no_stdout) { - s1 = dup(1); - dup_devnull(1); - } else if (cmd->stdout_to_stderr) { - s1 = dup(1); - dup2(2, 1); - } else if (need_out) { - s1 = dup(1); - dup2(fdout[1], 1); - } else if (cmd->out > 1) { - s1 = dup(1); - dup2(cmd->out, 1); - } - - if (cmd->dir) - die("chdir in start_command() not implemented"); - if (cmd->env) { - env = copy_environ(); - for (; *cmd->env; cmd->env++) - env = env_setenv(env, *cmd->env); - } - - if (cmd->perf_cmd) { - cmd->argv = prepare_perf_cmd(cmd->argv); - } - - cmd->pid = mingw_spawnvpe(cmd->argv[0], cmd->argv, env); - - if (cmd->env) - free_environ(env); - if (cmd->perf_cmd) - free(cmd->argv); - - cmd->argv = sargv; - if (s0 >= 0) - dup2(s0, 0), close(s0); - if (s1 >= 0) - dup2(s1, 1), close(s1); - if (s2 >= 0) - dup2(s2, 2), close(s2); -#endif if (cmd->pid < 0) { int err = errno; @@ -288,14 +222,6 @@ int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const return run_command(&cmd); } -#ifdef __MINGW32__ -static __stdcall unsigned run_thread(void *data) -{ - struct async *async = data; - return async->proc(async->fd_for_proc, async->data); -} -#endif - int start_async(struct async *async) { int pipe_out[2]; @@ -304,7 +230,6 @@ int start_async(struct async *async) return error("cannot create pipe: %s", strerror(errno)); async->out = pipe_out[0]; -#ifndef __MINGW32__ /* Flush stdio before fork() to avoid cloning buffers */ fflush(NULL); @@ -319,33 +244,17 @@ int start_async(struct async *async) exit(!!async->proc(pipe_out[1], async->data)); } close(pipe_out[1]); -#else - async->fd_for_proc = pipe_out[1]; - async->tid = (HANDLE) _beginthreadex(NULL, 0, run_thread, async, 0, NULL); - if (!async->tid) { - error("cannot create thread: %s", strerror(errno)); - close_pair(pipe_out); - return -1; - } -#endif + return 0; } int finish_async(struct async *async) { -#ifndef __MINGW32__ int ret = 0; if (wait_or_whine(async->pid)) ret = error("waitpid (async) failed"); -#else - DWORD ret = 0; - if (WaitForSingleObject(async->tid, INFINITE) != WAIT_OBJECT_0) - ret = error("waiting for thread failed: %lu", GetLastError()); - else if (!GetExitCodeThread(async->tid, &ret)) - ret = error("cannot get thread exit code: %lu", GetLastError()); - CloseHandle(async->tid); -#endif + return ret; } diff --git a/tools/perf/util/run-command.h b/tools/perf/util/run-command.h index 328289f..cc1837d 100644 --- a/tools/perf/util/run-command.h +++ b/tools/perf/util/run-command.h @@ -79,12 +79,7 @@ struct async { int (*proc)(int fd, void *data); void *data; int out; /* caller reads from here and closes it */ -#ifndef __MINGW32__ pid_t pid; -#else - HANDLE tid; - int fd_for_proc; -#endif }; int start_async(struct async *async); diff --git a/tools/perf/util/strbuf.c b/tools/perf/util/strbuf.c index eaba093..464e7ca 100644 --- a/tools/perf/util/strbuf.c +++ b/tools/perf/util/strbuf.c @@ -259,7 +259,7 @@ size_t strbuf_fread(struct strbuf *sb, size_t size, FILE *f) res = fread(sb->buf + sb->len, 1, size, f); if (res > 0) strbuf_setlen(sb, sb->len + res); - else if (res < 0 && oldalloc == 0) + else if (oldalloc == 0) strbuf_release(sb); return res; } diff --git a/tools/perf/util/string.h b/tools/perf/util/string.h index 37b0325..3dca2f6 100644 --- a/tools/perf/util/string.h +++ b/tools/perf/util/string.h @@ -1,7 +1,7 @@ #ifndef _PERF_STRING_H_ #define _PERF_STRING_H_ -#include "../types.h" +#include "types.h" int hex2u64(const char *ptr, u64 *val); diff --git a/tools/perf/util/strlist.c b/tools/perf/util/strlist.c new file mode 100644 index 0000000..025a78e --- /dev/null +++ b/tools/perf/util/strlist.c @@ -0,0 +1,184 @@ +/* + * (c) 2009 Arnaldo Carvalho de Melo <acme@redhat.com> + * + * Licensed under the GPLv2. + */ + +#include "strlist.h" +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +static struct str_node *str_node__new(const char *s, bool dupstr) +{ + struct str_node *self = malloc(sizeof(*self)); + + if (self != NULL) { + if (dupstr) { + s = strdup(s); + if (s == NULL) + goto out_delete; + } + self->s = s; + } + + return self; + +out_delete: + free(self); + return NULL; +} + +static void str_node__delete(struct str_node *self, bool dupstr) +{ + if (dupstr) + free((void *)self->s); + free(self); +} + +int strlist__add(struct strlist *self, const char *new_entry) +{ + struct rb_node **p = &self->entries.rb_node; + struct rb_node *parent = NULL; + struct str_node *sn; + + while (*p != NULL) { + int rc; + + parent = *p; + sn = rb_entry(parent, struct str_node, rb_node); + rc = strcmp(sn->s, new_entry); + + if (rc > 0) + p = &(*p)->rb_left; + else if (rc < 0) + p = &(*p)->rb_right; + else + return -EEXIST; + } + + sn = str_node__new(new_entry, self->dupstr); + if (sn == NULL) + return -ENOMEM; + + rb_link_node(&sn->rb_node, parent, p); + rb_insert_color(&sn->rb_node, &self->entries); + + return 0; +} + +int strlist__load(struct strlist *self, const char *filename) +{ + char entry[1024]; + int err; + FILE *fp = fopen(filename, "r"); + + if (fp == NULL) + return errno; + + while (fgets(entry, sizeof(entry), fp) != NULL) { + const size_t len = strlen(entry); + + if (len == 0) + continue; + entry[len - 1] = '\0'; + + err = strlist__add(self, entry); + if (err != 0) + goto out; + } + + err = 0; +out: + fclose(fp); + return err; +} + +void strlist__remove(struct strlist *self, struct str_node *sn) +{ + rb_erase(&sn->rb_node, &self->entries); + str_node__delete(sn, self->dupstr); +} + +bool strlist__has_entry(struct strlist *self, const char *entry) +{ + struct rb_node **p = &self->entries.rb_node; + struct rb_node *parent = NULL; + + while (*p != NULL) { + struct str_node *sn; + int rc; + + parent = *p; + sn = rb_entry(parent, struct str_node, rb_node); + rc = strcmp(sn->s, entry); + + if (rc > 0) + p = &(*p)->rb_left; + else if (rc < 0) + p = &(*p)->rb_right; + else + return true; + } + + return false; +} + +static int strlist__parse_list_entry(struct strlist *self, const char *s) +{ + if (strncmp(s, "file://", 7) == 0) + return strlist__load(self, s + 7); + + return strlist__add(self, s); +} + +int strlist__parse_list(struct strlist *self, const char *s) +{ + char *sep; + int err; + + while ((sep = strchr(s, ',')) != NULL) { + *sep = '\0'; + err = strlist__parse_list_entry(self, s); + *sep = ','; + if (err != 0) + return err; + s = sep + 1; + } + + return *s ? strlist__parse_list_entry(self, s) : 0; +} + +struct strlist *strlist__new(bool dupstr, const char *slist) +{ + struct strlist *self = malloc(sizeof(*self)); + + if (self != NULL) { + self->entries = RB_ROOT; + self->dupstr = dupstr; + if (slist && strlist__parse_list(self, slist) != 0) + goto out_error; + } + + return self; +out_error: + free(self); + return NULL; +} + +void strlist__delete(struct strlist *self) +{ + if (self != NULL) { + struct str_node *pos; + struct rb_node *next = rb_first(&self->entries); + + while (next) { + pos = rb_entry(next, struct str_node, rb_node); + next = rb_next(&pos->rb_node); + strlist__remove(self, pos); + } + self->entries = RB_ROOT; + free(self); + } +} diff --git a/tools/perf/util/strlist.h b/tools/perf/util/strlist.h new file mode 100644 index 0000000..2fb117f --- /dev/null +++ b/tools/perf/util/strlist.h @@ -0,0 +1,32 @@ +#ifndef STRLIST_H_ +#define STRLIST_H_ + +#include "rbtree.h" +#include <stdbool.h> + +struct str_node { + struct rb_node rb_node; + const char *s; +}; + +struct strlist { + struct rb_root entries; + bool dupstr; +}; + +struct strlist *strlist__new(bool dupstr, const char *slist); +void strlist__delete(struct strlist *self); + +void strlist__remove(struct strlist *self, struct str_node *sn); +int strlist__load(struct strlist *self, const char *filename); +int strlist__add(struct strlist *self, const char *str); + +bool strlist__has_entry(struct strlist *self, const char *entry); + +static inline bool strlist__empty(const struct strlist *self) +{ + return rb_first(&self->entries) == NULL; +} + +int strlist__parse_list(struct strlist *self, const char *s); +#endif /* STRLIST_H_ */ diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 86e1437..78c2efd 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -520,7 +520,9 @@ static int dso__load_sym(struct dso *self, int fd, const char *name, nr_syms = shdr.sh_size / shdr.sh_entsize; memset(&sym, 0, sizeof(sym)); - + self->prelinked = elf_section_by_name(elf, &ehdr, &shdr, + ".gnu.prelink_undo", + NULL) != NULL; elf_symtab__for_each_symbol(syms, nr_syms, index, sym) { struct symbol *f; u64 obj_start; @@ -535,7 +537,13 @@ static int dso__load_sym(struct dso *self, int fd, const char *name, gelf_getshdr(sec, &shdr); obj_start = sym.st_value; - sym.st_value -= shdr.sh_addr - shdr.sh_offset; + if (self->prelinked) { + if (verbose >= 2) + printf("adjusting symbol: st_value: %Lx sh_addr: %Lx sh_offset: %Lx\n", + (u64)sym.st_value, (u64)shdr.sh_addr, (u64)shdr.sh_offset); + + sym.st_value -= shdr.sh_addr - shdr.sh_offset; + } f = symbol__new(sym.st_value, sym.st_size, elf_sym__name(&sym, symstrs), @@ -569,6 +577,8 @@ int dso__load(struct dso *self, symbol_filter_t filter, int verbose) if (!name) return -1; + self->prelinked = 0; + if (strncmp(self->name, "/tmp/perf-", 10) == 0) return dso__load_perf_map(self, filter, verbose); @@ -629,7 +639,7 @@ int dso__load_kernel(struct dso *self, const char *vmlinux, if (vmlinux) err = dso__load_vmlinux(self, vmlinux, filter, verbose); - if (err) + if (err < 0) err = dso__load_kallsyms(self, filter, verbose); return err; diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index ea332e5..2c48ace 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -2,7 +2,7 @@ #define _PERF_SYMBOL_ 1 #include <linux/types.h> -#include "../types.h" +#include "types.h" #include "list.h" #include "rbtree.h" @@ -20,8 +20,9 @@ struct symbol { struct dso { struct list_head node; struct rb_root syms; - unsigned int sym_priv_size; struct symbol *(*find_symbol)(struct dso *, u64 ip); + unsigned int sym_priv_size; + unsigned char prelinked; char name[0]; }; diff --git a/tools/perf/types.h b/tools/perf/util/types.h index 5e75f90..5e75f90 100644 --- a/tools/perf/types.h +++ b/tools/perf/util/types.h diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index b8cfed7..b4be607 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -67,7 +67,6 @@ #include <assert.h> #include <regex.h> #include <utime.h> -#ifndef __MINGW32__ #include <sys/wait.h> #include <sys/poll.h> #include <sys/socket.h> @@ -81,20 +80,6 @@ #include <netdb.h> #include <pwd.h> #include <inttypes.h> -#if defined(__CYGWIN__) -#undef _XOPEN_SOURCE -#include <grp.h> -#define _XOPEN_SOURCE 600 -#include "compat/cygwin.h" -#else -#undef _ALL_SOURCE /* AIX 5.3L defines a struct list with _ALL_SOURCE. */ -#include <grp.h> -#define _ALL_SOURCE 1 -#endif -#else /* __MINGW32__ */ -/* pull in Windows compatibility stuff */ -#include "compat/mingw.h" -#endif /* __MINGW32__ */ #ifndef NO_ICONV #include <iconv.h> |