diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/Kbuild | 2 | ||||
-rw-r--r-- | include/linux/capability.h | 15 | ||||
-rw-r--r-- | include/linux/completion.h | 3 | ||||
-rw-r--r-- | include/linux/cred.h | 50 | ||||
-rw-r--r-- | include/linux/ftrace.h | 21 | ||||
-rw-r--r-- | include/linux/ivtv.h | 6 | ||||
-rw-r--r-- | include/linux/ivtvfb.h | 6 | ||||
-rw-r--r-- | include/linux/kexec.h | 4 | ||||
-rw-r--r-- | include/linux/mm.h | 2 | ||||
-rw-r--r-- | include/linux/mm_types.h | 2 | ||||
-rw-r--r-- | include/linux/reboot.h | 1 | ||||
-rw-r--r-- | include/linux/sched.h | 1 | ||||
-rw-r--r-- | include/linux/security.h | 39 | ||||
-rw-r--r-- | include/linux/skbuff.h | 6 | ||||
-rw-r--r-- | include/linux/suspend.h | 4 | ||||
-rw-r--r-- | include/linux/tty.h | 2 | ||||
-rw-r--r-- | include/linux/tty_driver.h | 14 | ||||
-rw-r--r-- | include/linux/usb.h | 2 | ||||
-rw-r--r-- | include/linux/usb/musb.h | 98 | ||||
-rw-r--r-- | include/linux/usb/serial.h | 3 | ||||
-rw-r--r-- | include/linux/videodev2.h | 4 | ||||
-rw-r--r-- | include/linux/vmalloc.h | 4 | ||||
-rw-r--r-- | include/linux/vt_kern.h | 1 |
23 files changed, 249 insertions, 41 deletions
diff --git a/include/linux/Kbuild b/include/linux/Kbuild index 327f606..7d97067 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -250,6 +250,8 @@ unifdef-y += isdn.h unifdef-y += isdnif.h unifdef-y += isdn_divertif.h unifdef-y += isdn_ppp.h +unifdef-y += ivtv.h +unifdef-y += ivtvfb.h unifdef-y += joystick.h unifdef-y += kdev_t.h unifdef-y += kd.h diff --git a/include/linux/capability.h b/include/linux/capability.h index 0267384..9d1fe30 100644 --- a/include/linux/capability.h +++ b/include/linux/capability.h @@ -503,8 +503,19 @@ extern const kernel_cap_t __cap_init_eff_set; kernel_cap_t cap_set_effective(const kernel_cap_t pE_new); -int capable(int cap); -int __capable(struct task_struct *t, int cap); +/** + * has_capability - Determine if a task has a superior capability available + * @t: The task in question + * @cap: The capability to be tested for + * + * Return true if the specified task has the given superior capability + * currently in effect, false if not. + * + * Note that this does not set PF_SUPERPRIV on the task. + */ +#define has_capability(t, cap) (security_capable((t), (cap)) == 0) + +extern int capable(int cap); #endif /* __KERNEL__ */ diff --git a/include/linux/completion.h b/include/linux/completion.h index d2961b6..02ef883 100644 --- a/include/linux/completion.h +++ b/include/linux/completion.h @@ -49,10 +49,13 @@ extern unsigned long wait_for_completion_timeout(struct completion *x, unsigned long timeout); extern unsigned long wait_for_completion_interruptible_timeout( struct completion *x, unsigned long timeout); +extern bool try_wait_for_completion(struct completion *x); +extern bool completion_done(struct completion *x); extern void complete(struct completion *); extern void complete_all(struct completion *); #define INIT_COMPLETION(x) ((x).done = 0) + #endif diff --git a/include/linux/cred.h b/include/linux/cred.h new file mode 100644 index 0000000..b69222c --- /dev/null +++ b/include/linux/cred.h @@ -0,0 +1,50 @@ +/* Credentials management + * + * Copyright (C) 2008 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 _LINUX_CRED_H +#define _LINUX_CRED_H + +#define get_current_user() (get_uid(current->user)) + +#define task_uid(task) ((task)->uid) +#define task_gid(task) ((task)->gid) +#define task_euid(task) ((task)->euid) +#define task_egid(task) ((task)->egid) + +#define current_uid() (current->uid) +#define current_gid() (current->gid) +#define current_euid() (current->euid) +#define current_egid() (current->egid) +#define current_suid() (current->suid) +#define current_sgid() (current->sgid) +#define current_fsuid() (current->fsuid) +#define current_fsgid() (current->fsgid) +#define current_cap() (current->cap_effective) + +#define current_uid_gid(_uid, _gid) \ +do { \ + *(_uid) = current->uid; \ + *(_gid) = current->gid; \ +} while(0) + +#define current_euid_egid(_uid, _gid) \ +do { \ + *(_uid) = current->euid; \ + *(_gid) = current->egid; \ +} while(0) + +#define current_fsuid_fsgid(_uid, _gid) \ +do { \ + *(_uid) = current->fsuid; \ + *(_gid) = current->fsgid; \ +} while(0) + +#endif /* _LINUX_CRED_H */ diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index f368d04..bb38406 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -98,6 +98,27 @@ static inline void tracer_disable(void) #endif } +/* Ftrace disable/restore without lock. Some synchronization mechanism + * must be used to prevent ftrace_enabled to be changed between + * disable/restore. */ +static inline int __ftrace_enabled_save(void) +{ +#ifdef CONFIG_FTRACE + int saved_ftrace_enabled = ftrace_enabled; + ftrace_enabled = 0; + return saved_ftrace_enabled; +#else + return 0; +#endif +} + +static inline void __ftrace_enabled_restore(int enabled) +{ +#ifdef CONFIG_FTRACE + ftrace_enabled = enabled; +#endif +} + #ifdef CONFIG_FRAME_POINTER /* TODO: need to fix this for ARM */ # define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0)) diff --git a/include/linux/ivtv.h b/include/linux/ivtv.h index 794b8da..17ca64b 100644 --- a/include/linux/ivtv.h +++ b/include/linux/ivtv.h @@ -21,11 +21,7 @@ #ifndef __LINUX_IVTV_H__ #define __LINUX_IVTV_H__ -#ifdef __KERNEL__ -#include <linux/compiler.h> /* need __user */ -#else -#define __user -#endif +#include <linux/compiler.h> #include <linux/types.h> /* ivtv knows several distinct output modes: MPEG streaming, diff --git a/include/linux/ivtvfb.h b/include/linux/ivtvfb.h index e980ba6..e20af47 100644 --- a/include/linux/ivtvfb.h +++ b/include/linux/ivtvfb.h @@ -21,11 +21,7 @@ #ifndef __LINUX_IVTVFB_H__ #define __LINUX_IVTVFB_H__ -#ifdef __KERNEL__ -#include <linux/compiler.h> /* need __user */ -#else -#define __user -#endif +#include <linux/compiler.h> #include <linux/types.h> /* Framebuffer external API */ diff --git a/include/linux/kexec.h b/include/linux/kexec.h index 32110ce..17f76fc 100644 --- a/include/linux/kexec.h +++ b/include/linux/kexec.h @@ -25,8 +25,8 @@ #error KEXEC_CONTROL_MEMORY_LIMIT not defined #endif -#ifndef KEXEC_CONTROL_CODE_SIZE -#error KEXEC_CONTROL_CODE_SIZE not defined +#ifndef KEXEC_CONTROL_PAGE_SIZE +#error KEXEC_CONTROL_PAGE_SIZE not defined #endif #ifndef KEXEC_ARCH diff --git a/include/linux/mm.h b/include/linux/mm.h index fa65160..72a15dc 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -73,7 +73,7 @@ extern unsigned int kobjsize(const void *objp); #endif /* - * vm_flags.. + * vm_flags in vm_area_struct, see mm_types.h. */ #define VM_READ 0x00000001 /* currently active flags */ #define VM_WRITE 0x00000002 diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 386edbe..bf33413 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -113,7 +113,7 @@ struct vm_area_struct { struct vm_area_struct *vm_next; pgprot_t vm_page_prot; /* Access permissions of this VMA. */ - unsigned long vm_flags; /* Flags, listed below. */ + unsigned long vm_flags; /* Flags, see mm.h. */ struct rb_node vm_rb; diff --git a/include/linux/reboot.h b/include/linux/reboot.h index b93b541..988e55f 100644 --- a/include/linux/reboot.h +++ b/include/linux/reboot.h @@ -59,6 +59,7 @@ extern void machine_crash_shutdown(struct pt_regs *); * Architecture independent implemenations of sys_reboot commands. */ +extern void kernel_restart_prepare(char *cmd); extern void kernel_restart(char *cmd); extern void kernel_halt(void); extern void kernel_power_off(void); diff --git a/include/linux/sched.h b/include/linux/sched.h index 5850bfb..cfb0d87 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -87,6 +87,7 @@ struct sched_param { #include <linux/task_io_accounting.h> #include <linux/kobject.h> #include <linux/latencytop.h> +#include <linux/cred.h> #include <asm/processor.h> diff --git a/include/linux/security.h b/include/linux/security.h index fd96e7f..2ee5ecf 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -46,8 +46,8 @@ struct audit_krule; */ extern int cap_capable(struct task_struct *tsk, int cap); extern int cap_settime(struct timespec *ts, struct timezone *tz); -extern int cap_ptrace(struct task_struct *parent, struct task_struct *child, - unsigned int mode); +extern int cap_ptrace_may_access(struct task_struct *child, unsigned int mode); +extern int cap_ptrace_traceme(struct task_struct *parent); extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted); extern int cap_capset_check(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted); extern void cap_capset_set(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted); @@ -1157,17 +1157,24 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) * @alter contains the flag indicating whether changes are to be made. * Return 0 if permission is granted. * - * @ptrace: - * Check permission before allowing the @parent process to trace the + * @ptrace_may_access: + * Check permission before allowing the current process to trace the * @child process. * Security modules may also want to perform a process tracing check * during an execve in the set_security or apply_creds hooks of * binprm_security_ops if the process is being traced and its security * attributes would be changed by the execve. - * @parent contains the task_struct structure for parent process. - * @child contains the task_struct structure for child process. + * @child contains the task_struct structure for the target process. * @mode contains the PTRACE_MODE flags indicating the form of access. * Return 0 if permission is granted. + * @ptrace_traceme: + * Check that the @parent process has sufficient permission to trace the + * current process before allowing the current process to present itself + * to the @parent process for tracing. + * The parent process will still have to undergo the ptrace_may_access + * checks before it is allowed to trace this one. + * @parent contains the task_struct structure for debugger process. + * Return 0 if permission is granted. * @capget: * Get the @effective, @inheritable, and @permitted capability sets for * the @target process. The hook may also perform permission checking to @@ -1287,8 +1294,8 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) struct security_operations { char name[SECURITY_NAME_MAX + 1]; - int (*ptrace) (struct task_struct *parent, struct task_struct *child, - unsigned int mode); + int (*ptrace_may_access) (struct task_struct *child, unsigned int mode); + int (*ptrace_traceme) (struct task_struct *parent); int (*capget) (struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted); @@ -1560,8 +1567,8 @@ extern struct dentry *securityfs_create_dir(const char *name, struct dentry *par extern void securityfs_remove(struct dentry *dentry); /* Security operations */ -int security_ptrace(struct task_struct *parent, struct task_struct *child, - unsigned int mode); +int security_ptrace_may_access(struct task_struct *child, unsigned int mode); +int security_ptrace_traceme(struct task_struct *parent); int security_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, @@ -1742,11 +1749,15 @@ static inline int security_init(void) return 0; } -static inline int security_ptrace(struct task_struct *parent, - struct task_struct *child, - unsigned int mode) +static inline int security_ptrace_may_access(struct task_struct *child, + unsigned int mode) +{ + return cap_ptrace_may_access(child, mode); +} + +static inline int security_ptrace_traceme(struct task_struct *child) { - return cap_ptrace(parent, child, mode); + return cap_ptrace_traceme(parent); } static inline int security_capget(struct task_struct *target, diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index cfcc45b..358661c 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -901,7 +901,7 @@ extern unsigned char *__pskb_pull_tail(struct sk_buff *skb, int delta); static inline unsigned char *__pskb_pull(struct sk_buff *skb, unsigned int len) { if (len > skb_headlen(skb) && - !__pskb_pull_tail(skb, len-skb_headlen(skb))) + !__pskb_pull_tail(skb, len - skb_headlen(skb))) return NULL; skb->len -= len; return skb->data += len; @@ -918,7 +918,7 @@ static inline int pskb_may_pull(struct sk_buff *skb, unsigned int len) return 1; if (unlikely(len > skb->len)) return 0; - return __pskb_pull_tail(skb, len-skb_headlen(skb)) != NULL; + return __pskb_pull_tail(skb, len - skb_headlen(skb)) != NULL; } /** @@ -1321,7 +1321,7 @@ static inline int skb_padto(struct sk_buff *skb, unsigned int len) unsigned int size = skb->len; if (likely(size >= len)) return 0; - return skb_pad(skb, len-size); + return skb_pad(skb, len - size); } static inline int skb_add_data(struct sk_buff *skb, diff --git a/include/linux/suspend.h b/include/linux/suspend.h index c634350..2ce8207 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -217,11 +217,11 @@ struct platform_hibernation_ops { #ifdef CONFIG_HIBERNATION /* kernel/power/snapshot.c */ extern void __register_nosave_region(unsigned long b, unsigned long e, int km); -static inline void register_nosave_region(unsigned long b, unsigned long e) +static inline void __init register_nosave_region(unsigned long b, unsigned long e) { __register_nosave_region(b, e, 0); } -static inline void register_nosave_region_late(unsigned long b, unsigned long e) +static inline void __init register_nosave_region_late(unsigned long b, unsigned long e) { __register_nosave_region(b, e, 1); } diff --git a/include/linux/tty.h b/include/linux/tty.h index e3579cb..0cbec74 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -331,6 +331,8 @@ extern int tty_write_room(struct tty_struct *tty); extern void tty_driver_flush_buffer(struct tty_struct *tty); extern void tty_throttle(struct tty_struct *tty); extern void tty_unthrottle(struct tty_struct *tty); +extern int tty_do_resize(struct tty_struct *tty, struct tty_struct *real_tty, + struct winsize *ws); extern int is_current_pgrp_orphaned(void); extern struct pid *tty_get_pgrp(struct tty_struct *tty); diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index e1065ac..16d2794 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -168,6 +168,18 @@ * * Optional: If not provided then the write method is called under * the atomic write lock to keep it serialized with the ldisc. + * + * int (*resize)(struct tty_struct *tty, struct tty_struct *real_tty, + * unsigned int rows, unsigned int cols); + * + * Called when a termios request is issued which changes the + * requested terminal geometry. + * + * Optional: the default action is to update the termios structure + * without error. This is usually the correct behaviour. Drivers should + * not force errors here if they are not resizable objects (eg a serial + * line). See tty_do_resize() if you need to wrap the standard method + * in your own logic - the usual case. */ #include <linux/fs.h> @@ -206,6 +218,8 @@ struct tty_operations { int (*tiocmget)(struct tty_struct *tty, struct file *file); int (*tiocmset)(struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear); + int (*resize)(struct tty_struct *tty, struct tty_struct *real_tty, + struct winsize *ws); #ifdef CONFIG_CONSOLE_POLL int (*poll_init)(struct tty_driver *driver, int line, char *options); int (*poll_get_char)(struct tty_driver *driver, int line); diff --git a/include/linux/usb.h b/include/linux/usb.h index 5811c5d..0924cd9 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -110,6 +110,8 @@ enum usb_interface_condition { * @sysfs_files_created: sysfs attributes exist * @needs_remote_wakeup: flag set when the driver requires remote-wakeup * capability during autosuspend. + * @needs_binding: flag set when the driver should be re-probed or unbound + * following a reset or suspend operation it doesn't support. * @dev: driver model's view of this device * @usb_dev: if an interface is bound to the USB major, this will point * to the sysfs representation for that device. diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h new file mode 100644 index 0000000..630962c --- /dev/null +++ b/include/linux/usb/musb.h @@ -0,0 +1,98 @@ +/* + * This is used to for host and peripheral modes of the driver for + * Inventra (Multidrop) Highspeed Dual-Role Controllers: (M)HDRC. + * + * Board initialization should put one of these into dev->platform_data, + * probably on some platform_device named "musb_hdrc". It encapsulates + * key configuration differences between boards. + */ + +/* The USB role is defined by the connector used on the board, so long as + * standards are being followed. (Developer boards sometimes won't.) + */ +enum musb_mode { + MUSB_UNDEFINED = 0, + MUSB_HOST, /* A or Mini-A connector */ + MUSB_PERIPHERAL, /* B or Mini-B connector */ + MUSB_OTG /* Mini-AB connector */ +}; + +struct clk; + +struct musb_hdrc_eps_bits { + const char name[16]; + u8 bits; +}; + +struct musb_hdrc_config { + /* MUSB configuration-specific details */ + unsigned multipoint:1; /* multipoint device */ + unsigned dyn_fifo:1; /* supports dynamic fifo sizing */ + unsigned soft_con:1; /* soft connect required */ + unsigned utm_16:1; /* utm data witdh is 16 bits */ + unsigned big_endian:1; /* true if CPU uses big-endian */ + unsigned mult_bulk_tx:1; /* Tx ep required for multbulk pkts */ + unsigned mult_bulk_rx:1; /* Rx ep required for multbulk pkts */ + unsigned high_iso_tx:1; /* Tx ep required for HB iso */ + unsigned high_iso_rx:1; /* Rx ep required for HD iso */ + unsigned dma:1; /* supports DMA */ + unsigned vendor_req:1; /* vendor registers required */ + + u8 num_eps; /* number of endpoints _with_ ep0 */ + u8 dma_channels; /* number of dma channels */ + u8 dyn_fifo_size; /* dynamic size in bytes */ + u8 vendor_ctrl; /* vendor control reg width */ + u8 vendor_stat; /* vendor status reg witdh */ + u8 dma_req_chan; /* bitmask for required dma channels */ + u8 ram_bits; /* ram address size */ + + struct musb_hdrc_eps_bits *eps_bits; +}; + +struct musb_hdrc_platform_data { + /* MUSB_HOST, MUSB_PERIPHERAL, or MUSB_OTG */ + u8 mode; + + /* for clk_get() */ + const char *clock; + + /* (HOST or OTG) switch VBUS on/off */ + int (*set_vbus)(struct device *dev, int is_on); + + /* (HOST or OTG) mA/2 power supplied on (default = 8mA) */ + u8 power; + + /* (PERIPHERAL) mA/2 max power consumed (default = 100mA) */ + u8 min_power; + + /* (HOST or OTG) msec/2 after VBUS on till power good */ + u8 potpgt; + + /* Power the device on or off */ + int (*set_power)(int state); + + /* Turn device clock on or off */ + int (*set_clock)(struct clk *clock, int is_on); + + /* MUSB configuration-specific details */ + struct musb_hdrc_config *config; +}; + + +/* TUSB 6010 support */ + +#define TUSB6010_OSCCLK_60 16667 /* psec/clk @ 60.0 MHz */ +#define TUSB6010_REFCLK_24 41667 /* psec/clk @ 24.0 MHz XI */ +#define TUSB6010_REFCLK_19 52083 /* psec/clk @ 19.2 MHz CLKIN */ + +#ifdef CONFIG_ARCH_OMAP2 + +extern int __init tusb6010_setup_interface( + struct musb_hdrc_platform_data *data, + unsigned ps_refclk, unsigned waitpin, + unsigned async_cs, unsigned sync_cs, + unsigned irq, unsigned dmachan); + +extern int tusb6010_platform_retime(unsigned is_refclk); + +#endif /* OMAP2 */ diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index 09a3e6a..655341d 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -17,7 +17,8 @@ #include <linux/mutex.h> #define SERIAL_TTY_MAJOR 188 /* Nice legal number now */ -#define SERIAL_TTY_MINORS 255 /* loads of devices :) */ +#define SERIAL_TTY_MINORS 254 /* loads of devices :) */ +#define SERIAL_TTY_NO_MINOR 255 /* No minor was assigned */ /* The maximum number of ports one device can grab at once */ #define MAX_NUM_PORTS 8 diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index e466bd5..e65a6be 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -55,13 +55,13 @@ */ #ifndef __LINUX_VIDEODEV2_H #define __LINUX_VIDEODEV2_H + #ifdef __KERNEL__ #include <linux/time.h> /* need struct timeval */ -#include <linux/compiler.h> /* need __user */ #else -#define __user #include <sys/time.h> #endif +#include <linux/compiler.h> #include <linux/ioctl.h> #include <linux/types.h> diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index 364789a..328eb40 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -4,9 +4,9 @@ #include <linux/spinlock.h> #include <asm/page.h> /* pgprot_t */ -struct vm_area_struct; +struct vm_area_struct; /* vma defining user mapping in mm_types.h */ -/* bits in vm_struct->flags */ +/* bits in flags of vmalloc's vm_struct below */ #define VM_IOREMAP 0x00000001 /* ioremap() and friends */ #define VM_ALLOC 0x00000002 /* vmalloc() */ #define VM_MAP 0x00000004 /* vmap()ed pages */ diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h index 1c78d56..1cbd0a7 100644 --- a/include/linux/vt_kern.h +++ b/include/linux/vt_kern.h @@ -35,7 +35,6 @@ extern int fg_console, last_console, want_console; int vc_allocate(unsigned int console); int vc_cons_allocated(unsigned int console); int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines); -int vc_lock_resize(struct vc_data *vc, unsigned int cols, unsigned int lines); void vc_deallocate(unsigned int console); void reset_palette(struct vc_data *vc); void do_blank_screen(int entering_gfx); |