diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-s390/Kbuild | 2 | ||||
| -rw-r--r-- | include/asm-s390/appldata.h | 90 | ||||
| -rw-r--r-- | include/asm-s390/cio.h | 7 | ||||
| -rw-r--r-- | include/asm-s390/dma.h | 2 | ||||
| -rw-r--r-- | include/asm-s390/futex.h | 87 | ||||
| -rw-r--r-- | include/asm-s390/io.h | 2 | ||||
| -rw-r--r-- | include/asm-s390/kdebug.h | 59 | ||||
| -rw-r--r-- | include/asm-s390/kprobes.h | 114 | ||||
| -rw-r--r-- | include/asm-s390/lowcore.h | 14 | ||||
| -rw-r--r-- | include/asm-s390/monwriter.h | 33 | ||||
| -rw-r--r-- | include/asm-s390/pgalloc.h | 67 | ||||
| -rw-r--r-- | include/asm-s390/pgtable.h | 124 | ||||
| -rw-r--r-- | include/asm-s390/processor.h | 17 | ||||
| -rw-r--r-- | include/asm-s390/setup.h | 66 | ||||
| -rw-r--r-- | include/asm-s390/smp.h | 2 | ||||
| -rw-r--r-- | include/asm-s390/uaccess.h | 172 | ||||
| -rw-r--r-- | include/asm-s390/unistd.h | 170 | ||||
| -rw-r--r-- | include/asm-s390/z90crypt.h | 212 | ||||
| -rw-r--r-- | include/asm-s390/zcrypt.h | 285 | ||||
| -rw-r--r-- | include/linux/mod_devicetable.h | 11 |
20 files changed, 893 insertions, 643 deletions
diff --git a/include/asm-s390/Kbuild b/include/asm-s390/Kbuild index ed8955f..9791450 100644 --- a/include/asm-s390/Kbuild +++ b/include/asm-s390/Kbuild @@ -1,4 +1,4 @@ include include/asm-generic/Kbuild.asm unifdef-y += cmb.h debug.h -header-y += dasd.h qeth.h tape390.h ucontext.h vtoc.h z90crypt.h +header-y += dasd.h monwriter.h qeth.h tape390.h ucontext.h vtoc.h z90crypt.h diff --git a/include/asm-s390/appldata.h b/include/asm-s390/appldata.h new file mode 100644 index 0000000..b177070 --- /dev/null +++ b/include/asm-s390/appldata.h @@ -0,0 +1,90 @@ +/* + * include/asm-s390/appldata.h + * + * Copyright (C) IBM Corp. 2006 + * + * Author(s): Melissa Howland <melissah@us.ibm.com> + */ + +#ifndef _ASM_S390_APPLDATA_H +#define _ASM_S390_APPLDATA_H + +#include <asm/io.h> + +#ifndef CONFIG_64BIT + +#define APPLDATA_START_INTERVAL_REC 0x00 /* Function codes for */ +#define APPLDATA_STOP_REC 0x01 /* DIAG 0xDC */ +#define APPLDATA_GEN_EVENT_REC 0x02 +#define APPLDATA_START_CONFIG_REC 0x03 + +/* + * Parameter list for DIAGNOSE X'DC' + */ +struct appldata_parameter_list { + u16 diag; /* The DIAGNOSE code X'00DC' */ + u8 function; /* The function code for the DIAGNOSE */ + u8 parlist_length; /* Length of the parameter list */ + u32 product_id_addr; /* Address of the 16-byte product ID */ + u16 reserved; + u16 buffer_length; /* Length of the application data buffer */ + u32 buffer_addr; /* Address of the application data buffer */ +} __attribute__ ((packed)); + +#else /* CONFIG_64BIT */ + +#define APPLDATA_START_INTERVAL_REC 0x80 +#define APPLDATA_STOP_REC 0x81 +#define APPLDATA_GEN_EVENT_REC 0x82 +#define APPLDATA_START_CONFIG_REC 0x83 + +/* + * Parameter list for DIAGNOSE X'DC' + */ +struct appldata_parameter_list { + u16 diag; + u8 function; + u8 parlist_length; + u32 unused01; + u16 reserved; + u16 buffer_length; + u32 unused02; + u64 product_id_addr; + u64 buffer_addr; +} __attribute__ ((packed)); + +#endif /* CONFIG_64BIT */ + +struct appldata_product_id { + char prod_nr[7]; /* product number */ + u16 prod_fn; /* product function */ + u8 record_nr; /* record number */ + u16 version_nr; /* version */ + u16 release_nr; /* release */ + u16 mod_lvl; /* modification level */ +} __attribute__ ((packed)); + +static inline int appldata_asm(struct appldata_product_id *id, + unsigned short fn, void *buffer, + unsigned short length) +{ + struct appldata_parameter_list parm_list; + int ry; + + if (!MACHINE_IS_VM) + return -ENOSYS; + parm_list.diag = 0xdc; + parm_list.function = fn; + parm_list.parlist_length = sizeof(parm_list); + parm_list.buffer_length = length; + parm_list.product_id_addr = (unsigned long) id; + parm_list.buffer_addr = virt_to_phys(buffer); + asm volatile( + "diag %1,%0,0xdc" + : "=d" (ry) + : "d" (&parm_list), "m" (parm_list), "m" (*id) + : "cc"); + return ry; +} + +#endif /* _ASM_S390_APPLDATA_H */ diff --git a/include/asm-s390/cio.h b/include/asm-s390/cio.h index 28fdd6e..da063cd 100644 --- a/include/asm-s390/cio.h +++ b/include/asm-s390/cio.h @@ -270,6 +270,11 @@ struct diag210 { __u32 vrdccrft : 8; /* real device feature (output) */ } __attribute__ ((packed,aligned(4))); +struct ccw_dev_id { + u8 ssid; + u16 devno; +}; + extern int diag210(struct diag210 *addr); extern void wait_cons_dev(void); @@ -280,6 +285,8 @@ extern void cio_reset_channel_paths(void); extern void css_schedule_reprobe(void); +extern void reipl_ccw_dev(struct ccw_dev_id *id); + #endif #endif diff --git a/include/asm-s390/dma.h b/include/asm-s390/dma.h index 02720c4..7425c6a 100644 --- a/include/asm-s390/dma.h +++ b/include/asm-s390/dma.h @@ -11,6 +11,6 @@ #define MAX_DMA_ADDRESS 0x80000000 -#define free_dma(x) +#define free_dma(x) do { } while (0) #endif /* _ASM_DMA_H */ diff --git a/include/asm-s390/futex.h b/include/asm-s390/futex.h index ffedf14..5e261e1 100644 --- a/include/asm-s390/futex.h +++ b/include/asm-s390/futex.h @@ -7,75 +7,21 @@ #include <asm/errno.h> #include <asm/uaccess.h> -#ifndef __s390x__ -#define __futex_atomic_fixup \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 0b,4b,2b,4b,3b,4b\n" \ - ".previous" -#else /* __s390x__ */ -#define __futex_atomic_fixup \ - ".section __ex_table,\"a\"\n" \ - " .align 8\n" \ - " .quad 0b,4b,2b,4b,3b,4b\n" \ - ".previous" -#endif /* __s390x__ */ - -#define __futex_atomic_op(insn, ret, oldval, newval, uaddr, oparg) \ - asm volatile(" sacf 256\n" \ - "0: l %1,0(%6)\n" \ - "1: " insn \ - "2: cs %1,%2,0(%6)\n" \ - "3: jl 1b\n" \ - " lhi %0,0\n" \ - "4: sacf 0\n" \ - __futex_atomic_fixup \ - : "=d" (ret), "=&d" (oldval), "=&d" (newval), \ - "=m" (*uaddr) \ - : "0" (-EFAULT), "d" (oparg), "a" (uaddr), \ - "m" (*uaddr) : "cc" ); - static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr) { int op = (encoded_op >> 28) & 7; int cmp = (encoded_op >> 24) & 15; int oparg = (encoded_op << 8) >> 20; int cmparg = (encoded_op << 20) >> 20; - int oldval = 0, newval, ret; + int oldval, ret; + if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) oparg = 1 << oparg; if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int))) return -EFAULT; - inc_preempt_count(); - - switch (op) { - case FUTEX_OP_SET: - __futex_atomic_op("lr %2,%5\n", - ret, oldval, newval, uaddr, oparg); - break; - case FUTEX_OP_ADD: - __futex_atomic_op("lr %2,%1\nar %2,%5\n", - ret, oldval, newval, uaddr, oparg); - break; - case FUTEX_OP_OR: - __futex_atomic_op("lr %2,%1\nor %2,%5\n", - ret, oldval, newval, uaddr, oparg); - break; - case FUTEX_OP_ANDN: - __futex_atomic_op("lr %2,%1\nnr %2,%5\n", - ret, oldval, newval, uaddr, oparg); - break; - case FUTEX_OP_XOR: - __futex_atomic_op("lr %2,%1\nxr %2,%5\n", - ret, oldval, newval, uaddr, oparg); - break; - default: - ret = -ENOSYS; - } - - dec_preempt_count(); + ret = uaccess.futex_atomic_op(op, uaddr, oparg, &oldval); if (!ret) { switch (cmp) { @@ -91,32 +37,13 @@ static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr) return ret; } -static inline int -futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) +static inline int futex_atomic_cmpxchg_inatomic(int __user *uaddr, + int oldval, int newval) { - int ret; - if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int))) return -EFAULT; - asm volatile(" sacf 256\n" - " cs %1,%4,0(%5)\n" - "0: lr %0,%1\n" - "1: sacf 0\n" -#ifndef __s390x__ - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 0b,1b\n" - ".previous" -#else /* __s390x__ */ - ".section __ex_table,\"a\"\n" - " .align 8\n" - " .quad 0b,1b\n" - ".previous" -#endif /* __s390x__ */ - : "=d" (ret), "+d" (oldval), "=m" (*uaddr) - : "0" (-EFAULT), "d" (newval), "a" (uaddr), "m" (*uaddr) - : "cc", "memory" ); - return oldval; + + return uaccess.futex_atomic_cmpxchg(uaddr, oldval, newval); } #endif /* __KERNEL__ */ diff --git a/include/asm-s390/io.h b/include/asm-s390/io.h index d4614b3..a6cc27e 100644 --- a/include/asm-s390/io.h +++ b/include/asm-s390/io.h @@ -116,7 +116,7 @@ extern void iounmap(void *addr); #define outb(x,addr) ((void) writeb(x,addr)) #define outb_p(x,addr) outb(x,addr) -#define mmiowb() +#define mmiowb() do { } while (0) /* * Convert a physical pointer to a virtual kernel pointer for /dev/mem diff --git a/include/asm-s390/kdebug.h b/include/asm-s390/kdebug.h new file mode 100644 index 0000000..40cc680 --- /dev/null +++ b/include/asm-s390/kdebug.h @@ -0,0 +1,59 @@ +#ifndef _S390_KDEBUG_H +#define _S390_KDEBUG_H + +/* + * Feb 2006 Ported to s390 <grundym@us.ibm.com> + */ +#include <linux/notifier.h> + +struct pt_regs; + +struct die_args { + struct pt_regs *regs; + const char *str; + long err; + int trapnr; + int signr; +}; + +/* Note - you should never unregister because that can race with NMIs. + * If you really want to do it first unregister - then synchronize_sched + * - then free. + */ +extern int register_die_notifier(struct notifier_block *); +extern int unregister_die_notifier(struct notifier_block *); +extern int register_page_fault_notifier(struct notifier_block *); +extern int unregister_page_fault_notifier(struct notifier_block *); +extern struct atomic_notifier_head s390die_chain; + + +enum die_val { + DIE_OOPS = 1, + DIE_BPT, + DIE_SSTEP, + DIE_PANIC, + DIE_NMI, + DIE_DIE, + DIE_NMIWATCHDOG, + DIE_KERNELDEBUG, + DIE_TRAP, + DIE_GPF, + DIE_CALL, + DIE_NMI_IPI, + DIE_PAGE_FAULT, +}; + +static inline int notify_die(enum die_val val, const char *str, + struct pt_regs *regs, long err, int trap, int sig) +{ + struct die_args args = { + .regs = regs, + .str = str, + .err = err, + .trapnr = trap, + .signr = sig + }; + return atomic_notifier_call_chain(&s390die_chain, val, &args); +} + +#endif diff --git a/include/asm-s390/kprobes.h b/include/asm-s390/kprobes.h new file mode 100644 index 0000000..b847ff0 --- /dev/null +++ b/include/asm-s390/kprobes.h @@ -0,0 +1,114 @@ +#ifndef _ASM_S390_KPROBES_H +#define _ASM_S390_KPROBES_H +/* + * Kernel Probes (KProbes) + * + * 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. + * + * Copyright (C) IBM Corporation, 2002, 2006 + * + * 2002-Oct Created by Vamsi Krishna S <vamsi_krishna@in.ibm.com> Kernel + * Probes initial implementation ( includes suggestions from + * Rusty Russell). + * 2004-Nov Modified for PPC64 by Ananth N Mavinakayanahalli + * <ananth@in.ibm.com> + * 2005-Dec Used as a template for s390 by Mike Grundy + * <grundym@us.ibm.com> + */ +#include <linux/types.h> +#include <linux/ptrace.h> +#include <linux/percpu.h> + +#define __ARCH_WANT_KPROBES_INSN_SLOT +struct pt_regs; +struct kprobe; + +typedef u16 kprobe_opcode_t; +#define BREAKPOINT_INSTRUCTION 0x0002 + +/* Maximum instruction size is 3 (16bit) halfwords: */ +#define MAX_INSN_SIZE 0x0003 +#define MAX_STACK_SIZE 64 +#define MIN_STACK_SIZE(ADDR) (((MAX_STACK_SIZE) < \ + (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR))) \ + ? (MAX_STACK_SIZE) \ + : (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR))) + +#define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)(pentry) + +#define ARCH_SUPPORTS_KRETPROBES +#define ARCH_INACTIVE_KPROBE_COUNT 0 + +#define KPROBE_SWAP_INST 0x10 + +#define FIXUP_PSW_NORMAL 0x08 +#define FIXUP_BRANCH_NOT_TAKEN 0x04 +#define FIXUP_RETURN_REGISTER 0x02 +#define FIXUP_NOT_REQUIRED 0x01 + +/* Architecture specific copy of original instruction */ +struct arch_specific_insn { + /* copy of original instruction */ + kprobe_opcode_t *insn; + int fixup; + int ilen; + int reg; +}; + +struct ins_replace_args { + kprobe_opcode_t *ptr; + kprobe_opcode_t old; + kprobe_opcode_t new; +}; +struct prev_kprobe { + struct kprobe *kp; + unsigned long status; + unsigned long saved_psw; + unsigned long kprobe_saved_imask; + unsigned long kprobe_saved_ctl[3]; +}; + +/* per-cpu kprobe control block */ +struct kprobe_ctlblk { + unsigned long kprobe_status; + unsigned long kprobe_saved_imask; + unsigned long kprobe_saved_ctl[3]; + struct pt_regs jprobe_saved_regs; + unsigned long jprobe_saved_r14; + unsigned long jprobe_saved_r15; + struct prev_kprobe prev_kprobe; + kprobe_opcode_t jprobes_stack[MAX_STACK_SIZE]; +}; + +void arch_remove_kprobe(struct kprobe *p); +void kretprobe_trampoline(void); +int is_prohibited_opcode(kprobe_opcode_t *instruction); +void get_instruction_type(struct arch_specific_insn *ainsn); + +#define flush_insn_slot(p) do { } while (0) + +#endif /* _ASM_S390_KPROBES_H */ + +#ifdef CONFIG_KPROBES + +extern int kprobe_exceptions_notify(struct notifier_block *self, + unsigned long val, void *data); +#else /* !CONFIG_KPROBES */ +static inline int kprobe_exceptions_notify(struct notifier_block *self, + unsigned long val, void *data) +{ + return 0; +} +#endif diff --git a/include/asm-s390/lowcore.h b/include/asm-s390/lowcore.h index 596c8b1..18695d1 100644 --- a/include/asm-s390/lowcore.h +++ b/include/asm-s390/lowcore.h @@ -35,6 +35,7 @@ #define __LC_IO_NEW_PSW 0x01f0 #endif /* !__s390x__ */ +#define __LC_IPL_PARMBLOCK_PTR 0x014 #define __LC_EXT_PARAMS 0x080 #define __LC_CPU_ADDRESS 0x084 #define __LC_EXT_INT_CODE 0x086 @@ -47,6 +48,7 @@ #define __LC_PER_ATMID 0x096 #define __LC_PER_ADDRESS 0x098 #define __LC_PER_ACCESS_ID 0x0A1 +#define __LC_AR_MODE_ID 0x0A3 #define __LC_SUBCHANNEL_ID 0x0B8 #define __LC_SUBCHANNEL_NR 0x0BA @@ -106,18 +108,28 @@ #define __LC_INT_CLOCK 0xDE8 #endif /* __s390x__ */ -#define __LC_PANIC_MAGIC 0xE00 +#define __LC_PANIC_MAGIC 0xE00 #ifndef __s390x__ #define __LC_PFAULT_INTPARM 0x080 #define __LC_CPU_TIMER_SAVE_AREA 0x0D8 +#define __LC_CLOCK_COMP_SAVE_AREA 0x0E0 +#define __LC_PSW_SAVE_AREA 0x100 +#define __LC_PREFIX_SAVE_AREA 0x108 #define __LC_AREGS_SAVE_AREA 0x120 +#define __LC_FPREGS_SAVE_AREA 0x160 #define __LC_GPREGS_SAVE_AREA 0x180 #define __LC_CREGS_SAVE_AREA 0x1C0 #else /* __s390x__ */ #define __LC_PFAULT_INTPARM 0x11B8 +#define __LC_FPREGS_SAVE_AREA 0x1200 #define __LC_GPREGS_SAVE_AREA 0x1280 +#define __LC_PSW_SAVE_AREA 0x1300 +#define __LC_PREFIX_SAVE_AREA 0x1318 +#define __LC_FP_CREG_SAVE_AREA 0x131C +#define __LC_TODREG_SAVE_AREA 0x1324 #define __LC_CPU_TIMER_SAVE_AREA 0x1328 +#define __LC_CLOCK_COMP_SAVE_AREA 0x1331 #define __LC_AREGS_SAVE_AREA 0x1340 #define __LC_CREGS_SAVE_AREA 0x1380 #endif /* __s390x__ */ diff --git a/include/asm-s390/monwriter.h b/include/asm-s390/monwriter.h new file mode 100644 index 0000000..f0cbf96 --- /dev/null +++ b/include/asm-s390/monwriter.h @@ -0,0 +1,33 @@ +/* + * include/asm-s390/monwriter.h + * + * Copyright (C) IBM Corp. 2006 + * Character device driver for writing z/VM APPLDATA monitor records + * Version 1.0 + * Author(s): Melissa Howland <melissah@us.ibm.com> + * + */ + +#ifndef _ASM_390_MONWRITER_H +#define _ASM_390_MONWRITER_H + +/* mon_function values */ +#define MONWRITE_START_INTERVAL 0x00 /* start interval recording */ +#define MONWRITE_STOP_INTERVAL 0x01 /* stop interval or config recording */ +#define MONWRITE_GEN_EVENT 0x02 /* generate event record */ +#define MONWRITE_START_CONFIG 0x03 /* start configuration recording */ + +/* the header the app uses in its write() data */ +struct monwrite_hdr { + unsigned char mon_function; + unsigned short applid; + unsigned char record_num; + unsigned short version; + unsigned short release; + unsigned short mod_level; + unsigned short datalen; + unsigned char hdrlen; + +} __attribute__((packed)); + +#endif /* _ASM_390_MONWRITER_H */ diff --git a/include/asm-s390/pgalloc.h b/include/asm-s390/pgalloc.h index a78e853..803bc70 100644 --- a/include/asm-s390/pgalloc.h +++ b/include/asm-s390/pgalloc.h @@ -22,6 +22,16 @@ extern void diag10(unsigned long addr); /* + * Page allocation orders. + */ +#ifndef __s390x__ +# define PGD_ALLOC_ORDER 1 +#else /* __s390x__ */ +# define PMD_ALLOC_ORDER 2 +# define PGD_ALLOC_ORDER 2 +#endif /* __s390x__ */ + +/* * Allocate and free page tables. The xxx_kernel() versions are * used to allocate a kernel page table - this turns on ASN bits * if any. @@ -29,30 +39,23 @@ extern void diag10(unsigned long addr); static inline pgd_t *pgd_alloc(struct mm_struct *mm) { - pgd_t *pgd; + pgd_t *pgd = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_ALLOC_ORDER); int i; + if (!pgd) + return NULL; + for (i = 0; i < PTRS_PER_PGD; i++) #ifndef __s390x__ - pgd = (pgd_t *) __get_free_pages(GFP_KERNEL,1); - if (pgd != NULL) - for (i = 0; i < USER_PTRS_PER_PGD; i++) - pmd_clear(pmd_offset(pgd + i, i*PGDIR_SIZE)); -#else /* __s390x__ */ - pgd = (pgd_t *) __get_free_pages(GFP_KERNEL,2); - if (pgd != NULL) - for (i = 0; i < PTRS_PER_PGD; i++) - pgd_clear(pgd + i); -#endif /* __s390x__ */ + pmd_clear(pmd_offset(pgd + i, i*PGDIR_SIZE)); +#else + pgd_clear(pgd + i); +#endif return pgd; } static inline void pgd_free(pgd_t *pgd) { -#ifndef __s390x__ - free_pages((unsigned long) pgd, 1); -#else /* __s390x__ */ - free_pages((unsigned long) pgd, 2); -#endif /* __s390x__ */ + free_pages((unsigned long) pgd, PGD_ALLOC_ORDER); } #ifndef __s390x__ @@ -68,20 +71,19 @@ static inline void pgd_free(pgd_t *pgd) #else /* __s390x__ */ static inline pmd_t * pmd_alloc_one(struct mm_struct *mm, unsigned long vmaddr) { - pmd_t *pmd; - int i; + pmd_t *pmd = (pmd_t *) __get_free_pages(GFP_KERNEL, PMD_ALLOC_ORDER); + int i; - pmd = (pmd_t *) __get_free_pages(GFP_KERNEL, 2); - if (pmd != NULL) { - for (i=0; i < PTRS_PER_PMD; i++) - pmd_clear(pmd+i); - } + if (!pmd) + return NULL; + for (i=0; i < PTRS_PER_PMD; i++) + pmd_clear(pmd + i); return pmd; } static inline void pmd_free (pmd_t *pmd) { - free_pages((unsigned long) pmd, 2); + free_pages((unsigned long) pmd, PMD_ALLOC_ORDER); } #define __pmd_free_tlb(tlb,pmd) \ @@ -123,15 +125,14 @@ pmd_populate(struct mm_struct *mm, pmd_t *pmd, struct page *page) static inline pte_t * pte_alloc_one_kernel(struct mm_struct *mm, unsigned long vmaddr) { - pte_t *pte; - int i; - - pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT); - if (pte != NULL) { - for (i=0; i < PTRS_PER_PTE; i++) { - pte_clear(mm, vmaddr, pte+i); - vmaddr += PAGE_SIZE; - } + pte_t *pte = (pte_t *) __get_free_page(GFP_KERNEL|__GFP_REPEAT); + int i; + + if (!pte) + return NULL; + for (i=0; i < PTRS_PER_PTE; i++) { + pte_clear(mm, vmaddr, pte + i); + vmaddr += PAGE_SIZE; } return pte; } diff --git a/include/asm-s390/pgtable.h b/include/asm-s390/pgtable.h index 2431238..1a07028 100644 --- a/include/asm-s390/pgtable.h +++ b/include/asm-s390/pgtable.h @@ -89,19 +89,6 @@ extern char empty_zero_page[PAGE_SIZE]; # define PTRS_PER_PGD 2048 #endif /* __s390x__ */ -/* - * pgd entries used up by user/kernel: - */ -#ifndef __s390x__ -# define USER_PTRS_PER_PGD 512 -# define USER_PGD_PTRS 512 -# define KERNEL_PGD_PTRS 512 -#else /* __s390x__ */ -# define USER_PTRS_PER_PGD 2048 -# define USER_PGD_PTRS 2048 -# define KERNEL_PGD_PTRS 2048 -#endif /* __s390x__ */ - #define FIRST_USER_ADDRESS 0 #define pte_ERROR(e) \ @@ -216,12 +203,14 @@ extern char empty_zero_page[PAGE_SIZE]; #define _PAGE_RO 0x200 /* HW read-only */ #define _PAGE_INVALID 0x400 /* HW invalid */ -/* Mask and four different kinds of invalid pages. */ -#define _PAGE_INVALID_MASK 0x601 -#define _PAGE_INVALID_EMPTY 0x400 -#define _PAGE_INVALID_NONE 0x401 -#define _PAGE_INVALID_SWAP 0x600 -#define _PAGE_INVALID_FILE 0x601 +/* Mask and six different types of pages. */ +#define _PAGE_TYPE_MASK 0x601 +#define _PAGE_TYPE_EMPTY 0x400 +#define _PAGE_TYPE_NONE 0x401 +#define _PAGE_TYPE_SWAP 0x600 +#define _PAGE_TYPE_FILE 0x601 +#define _PAGE_TYPE_RO 0x200 +#define _PAGE_TYPE_RW 0x000 #ifndef __s390x__ @@ -280,15 +269,14 @@ extern char empty_zero_page[PAGE_SIZE]; #endif /* __s390x__ */ /* - * No mapping available + * Page protection definitions. */ -#define PAGE_NONE_SHARED __pgprot(_PAGE_INVALID_NONE) -#define PAGE_NONE_PRIVATE __pgprot(_PAGE_INVALID_NONE) -#define PAGE_RO_SHARED __pgprot(_PAGE_RO) -#define PAGE_RO_PRIVATE __pgprot(_PAGE_RO) -#define PAGE_COPY __pgprot(_PAGE_RO) -#define PAGE_SHARED __pgprot(0) -#define PAGE_KERNEL __pgprot(0) +#define PAGE_NONE __pgprot(_PAGE_TYPE_NONE) +#define PAGE_RO __pgprot(_PAGE_TYPE_RO) +#define PAGE_RW __pgprot(_PAGE_TYPE_RW) + +#define PAGE_KERNEL PAGE_RW +#define PAGE_COPY PAGE_RO /* * The S390 can't do page protection for execute, and considers that the @@ -296,23 +284,23 @@ extern char empty_zero_page[PAGE_SIZE]; * the closest we can get.. */ /*xwr*/ -#define __P000 PAGE_NONE_PRIVATE -#define __P001 PAGE_RO_PRIVATE -#define __P010 PAGE_COPY -#define __P011 PAGE_COPY -#define __P100 PAGE_RO_PRIVATE -#define __P101 PAGE_RO_PRIVATE -#define __P110 PAGE_COPY -#define __P111 PAGE_COPY - -#define __S000 PAGE_NONE_SHARED -#define __S001 PAGE_RO_SHARED -#define __S010 PAGE_SHARED -#define __S011 PAGE_SHARED -#define __S100 PAGE_RO_SHARED -#define __S101 PAGE_RO_SHARED -#define __S110 PAGE_SHARED -#define __S111 PAGE_SHARED +#define __P000 PAGE_NONE +#define __P001 PAGE_RO +#define __P010 PAGE_RO +#define __P011 PAGE_RO +#define __P100 PAGE_RO +#define __P101 PAGE_RO +#define __P110 PAGE_RO +#define __P111 PAGE_RO + +#define __S000 PAGE_NONE +#define __S001 PAGE_RO +#define __S010 PAGE_RW +#define __S011 PAGE_RW +#define __S100 PAGE_RO +#define __S101 PAGE_RO +#define __S110 PAGE_RW +#define __S111 PAGE_RW /* * Certain architectures need to do special things when PTEs @@ -377,18 +365,18 @@ static inline int pmd_bad(pmd_t pmd) static inline int pte_none(pte_t pte) { - return (pte_val(pte) & _PAGE_INVALID_MASK) == _PAGE_INVALID_EMPTY; + return (pte_val(pte) & _PAGE_TYPE_MASK) == _PAGE_TYPE_EMPTY; } static inline int pte_present(pte_t pte) { return !(pte_val(pte) & _PAGE_INVALID) || - (pte_val(pte) & _PAGE_INVALID_MASK) == _PAGE_INVALID_NONE; + (pte_val(pte) & _PAGE_TYPE_MASK) == _PAGE_TYPE_NONE; } static inline int pte_file(pte_t pte) { - return (pte_val(pte) & _PAGE_INVALID_MASK) == _PAGE_INVALID_FILE; + return (pte_val(pte) & _PAGE_TYPE_MASK) == _PAGE_TYPE_FILE; } #define pte_same(a,b) (pte_val(a) == pte_val(b)) @@ -461,7 +449,7 @@ static inline void pmd_clear(pmd_t * pmdp) static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { - pte_val(*ptep) = _PAGE_INVALID_EMPTY; + pte_val(*ptep) = _PAGE_TYPE_EMPTY; } /* @@ -477,7 +465,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) static inline pte_t pte_wrprotect(pte_t pte) { - /* Do not clobber _PAGE_INVALID_NONE pages! */ + /* Do not clobber _PAGE_TYPE_NONE pages! */ if (!(pte_val(pte) & _PAGE_INVALID)) pte_val(pte) |= _PAGE_RO; return pte; @@ -556,26 +544,30 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, return pte; } -static inline pte_t -ptep_clear_flush(struct vm_area_struct *vma, - unsigned long address, pte_t *ptep) +static inline void __ptep_ipte(unsigned long address, pte_t *ptep) { - pte_t pte = *ptep; + if (!(pte_val(*ptep) & _PAGE_INVALID)) { #ifndef __s390x__ - if (!(pte_val(pte) & _PAGE_INVALID)) { /* S390 has 1mb segments, we are emulating 4MB segments */ pte_t *pto = (pte_t *) (((unsigned long) ptep) & 0x7ffffc00); - __asm__ __volatile__ ("ipte %2,%3" - : "=m" (*ptep) : "m" (*ptep), - "a" (pto), "a" (address) ); +#else + /* ipte in zarch mode can do the math */ + pte_t *pto = ptep; +#endif + asm volatile ("ipte %2,%3" + : "=m" (*ptep) : "m" (*ptep), + "a" (pto), "a" (address) ); } -#else /* __s390x__ */ - if (!(pte_val(pte) & _PAGE_INVALID)) - __asm__ __volatile__ ("ipte %2,%3" - : "=m" (*ptep) : "m" (*ptep), - "a" (ptep), "a" (address) ); -#endif /* __s390x__ */ - pte_val(*ptep) = _PAGE_INVALID_EMPTY; + pte_val(*ptep) = _PAGE_TYPE_EMPTY; +} + +static inline pte_t +ptep_clear_flush(struct vm_area_struct *vma, + unsigned long address, pte_t *ptep) +{ + pte_t pte = *ptep; + + __ptep_ipte(address, ptep); return pte; } @@ -755,7 +747,7 @@ static inline pte_t mk_swap_pte(unsigned long type, unsigned long offset) { pte_t pte; offset &= __SWP_OFFSET_MASK; - pte_val(pte) = _PAGE_INVALID_SWAP | ((type & 0x1f) << 2) | + pte_val(pte) = _PAGE_TYPE_SWAP | ((type & 0x1f) << 2) | ((offset & 1UL) << 7) | ((offset & ~1UL) << 11); return pte; } @@ -778,7 +770,7 @@ static inline pte_t mk_swap_pte(unsigned long type, unsigned long offset) #define pgoff_to_pte(__off) \ ((pte_t) { ((((__off) & 0x7f) << 1) + (((__off) >> 7) << 12)) \ - | _PAGE_INVALID_FILE }) + | _PAGE_TYPE_FILE }) #endif /* !__ASSEMBLY__ */ diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h index 5b71d37..a3a4e5f 100644 --- a/include/asm-s390/processor.h +++ b/include/asm-s390/processor.h @@ -339,4 +339,21 @@ int unregister_idle_notifier(struct notifier_block *nb); #endif +/* + * Helper macro for exception table entries + */ +#ifndef __s390x__ +#define EX_TABLE(_fault,_target) \ + ".section __ex_table,\"a\"\n" \ + " .align 4\n" \ + " .long " #_fault "," #_target "\n" \ + ".previous\n" +#else +#define EX_TABLE(_fault,_target) \ + ".section __ex_table,\"a\"\n" \ + " .align 8\n" \ + " .quad " #_fault "," #_target "\n" \ + ".previous\n" +#endif + #endif /* __ASM_S390_PROCESSOR_H */ diff --git a/include/asm-s390/setup.h b/include/asm-s390/setup.h index 19e3197..f195973 100644 --- a/include/asm-s390/setup.h +++ b/include/asm-s390/setup.h @@ -14,8 +14,6 @@ #define PARMAREA 0x10400 #define COMMAND_LINE_SIZE 896 -#define RAMDISK_ORIGIN 0x800000 -#define RAMDISK_SIZE 0x800000 #define MEMORY_CHUNKS 16 /* max 0x7fff */ #define IPL_PARMBLOCK_ORIGIN 0x2000 @@ -46,10 +44,12 @@ extern unsigned long machine_flags; #define MACHINE_HAS_IEEE (machine_flags & 2) #define MACHINE_HAS_CSP (machine_flags & 8) #define MACHINE_HAS_DIAG44 (1) +#define MACHINE_HAS_MVCOS (0) #else /* __s390x__ */ #define MACHINE_HAS_IEEE (1) #define MACHINE_HAS_CSP (1) #define MACHINE_HAS_DIAG44 (machine_flags & 32) +#define MACHINE_HAS_MVCOS (machine_flags & 512) #endif /* __s390x__ */ @@ -70,52 +70,76 @@ extern unsigned int console_irq; #define SET_CONSOLE_3215 do { console_mode = 2; } while (0) #define SET_CONSOLE_3270 do { console_mode = 3; } while (0) -struct ipl_list_header { - u32 length; - u8 reserved[3]; + +struct ipl_list_hdr { + u32 len; + u8 reserved1[3]; u8 version; + u32 blk0_len; + u8 pbt; + u8 flags; + u16 reserved2; } __attribute__((packed)); struct ipl_block_fcp { - u32 length; - u8 pbt; - u8 reserved1[322-1]; + u8 reserved1[313-1]; + u8 opt; + u8 reserved2[3]; + u16 reserved3; u16 devno; - u8 reserved2[4]; + u8 reserved4[4]; u64 wwpn; u64 lun; u32 bootprog; - u8 reserved3[12]; + u8 reserved5[12]; u64 br_lba; u32 scp_data_len; - u8 reserved4[260]; + u8 reserved6[260]; u8 scp_data[]; } __attribute__((packed)); +struct ipl_block_ccw { + u8 load_param[8]; + u8 reserved1[84]; + u8 reserved2[2]; + u16 devno; + u8 vm_flags; + u8 reserved3[3]; + u32 vm_parm_len; +} __attribute__((packed)); + struct ipl_parameter_block { + struct ipl_list_hdr hdr; union { - u32 length; - struct ipl_list_header header; - } hdr; - struct ipl_block_fcp fcp; + struct ipl_block_fcp fcp; + struct ipl_block_ccw ccw; + } ipl_info; } __attribute__((packed)); -#define IPL_MAX_SUPPORTED_VERSION (0) +#define IPL_PARM_BLK_FCP_LEN (sizeof(struct ipl_list_hdr) + \ + sizeof(struct ipl_block_fcp)) -#define IPL_TYPE_FCP (0) +#define IPL_PARM_BLK_CCW_LEN (sizeof(struct ipl_list_hdr) + \ + sizeof(struct ipl_block_ccw)) + +#define IPL_MAX_SUPPORTED_VERSION (0) /* * IPL validity flags and parameters as detected in head.S */ -extern u32 ipl_parameter_flags; +extern u32 ipl_flags; extern u16 ipl_devno; -#define IPL_DEVNO_VALID (ipl_parameter_flags & 1) -#define IPL_PARMBLOCK_VALID (ipl_parameter_flags & 2) +void do_reipl(void); + +enum { + IPL_DEVNO_VALID = 1, + IPL_PARMBLOCK_VALID = 2, +}; #define IPL_PARMBLOCK_START ((struct ipl_parameter_block *) \ IPL_PARMBLOCK_ORIGIN) -#define IPL_PARMBLOCK_SIZE (IPL_PARMBLOCK_START->hdr.length) +#define IPL_PARMBLOCK_SIZE (IPL_PARMBLOCK_START->hdr.len) #else /* __ASSEMBLY__ */ diff --git a/include/asm-s390/smp.h b/include/asm-s390/smp.h index 6576460..9fb02e9 100644 --- a/include/asm-s390/smp.h +++ b/include/asm-s390/smp.h @@ -104,7 +104,7 @@ smp_call_function_on(void (*func) (void *info), void *info, #define smp_cpu_not_running(cpu) 1 #define smp_get_cpu(cpu) ({ 0; }) #define smp_put_cpu(cpu) ({ 0; }) -#define smp_setup_cpu_possible_map() +#define smp_setup_cpu_possible_map() do { } while (0) #endif #endif diff --git a/include/asm-s390/uaccess.h b/include/asm-s390/uaccess.h index 0b7c0ca..e2047b0 100644 --- a/include/asm-s390/uaccess.h +++ b/include/asm-s390/uaccess.h @@ -47,7 +47,7 @@ S390_lowcore.user_asce : S390_lowcore.kernel_asce; \ asm volatile ("lctlg 7,7,%0" : : "m" (__pto) ); \ }) -#else +#else /* __s390x__ */ #define set_fs(x) \ ({ \ unsigned long __pto; \ @@ -56,7 +56,7 @@ S390_lowcore.user_asce : S390_lowcore.kernel_asce; \ asm volatile ("lctl 7,7,%0" : : "m" (__pto) ); \ }) -#endif +#endif /* __s390x__ */ #define segment_eq(a,b) ((a).ar4 == (b).ar4) @@ -85,76 +85,51 @@ struct exception_table_entry unsigned long insn, fixup; }; -#ifndef __s390x__ -#define __uaccess_fixup \ - ".section .fixup,\"ax\"\n" \ - "2: lhi %0,%4\n" \ - " bras 1,3f\n" \ - " .long 1b\n" \ - "3: l 1,0(1)\n" \ - " br 1\n" \ - ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 0b,2b\n" \ - ".previous" -#define __uaccess_clobber "cc", "1" -#else /* __s390x__ */ -#define __uaccess_fixup \ - ".section .fixup,\"ax\"\n" \ - "2: lghi %0,%4\n" \ - " jg 1b\n" \ - ".previous\n" \ - ".section __ex_table,\"a\"\n" \ - " .align 8\n" \ - " .quad 0b,2b\n" \ - ".previous" -#define __uaccess_clobber "cc" -#endif /* __s390x__ */ +struct uaccess_ops { + size_t (*copy_from_user)(size_t, const void __user *, void *); + size_t (*copy_from_user_small)(size_t, const void __user *, void *); + size_t (*copy_to_user)(size_t, void __user *, const void *); + size_t (*copy_to_user_small)(size_t, void __user *, const void *); + size_t (*copy_in_user)(size_t, void __user *, const void __user *); + size_t (*clear_user)(size_t, void __user *); + size_t (*strnlen_user)(size_t, const char __user *); + size_t (*strncpy_from_user)(size_t, const char __user *, char *); + int (*futex_atomic_op)(int op, int __user *, int oparg, int *old); + int (*futex_atomic_cmpxchg)(int __user *, int old, int new); +}; + +extern struct uaccess_ops uaccess; +extern struct uaccess_ops uaccess_std; +extern struct uaccess_ops uaccess_mvcos; + +static inline int __put_user_fn(size_t size, void __user *ptr, void *x) +{ + size = uaccess.copy_to_user_small(size, ptr, x); + return size ? -EFAULT : size; +} + +static inline int __get_user_fn(size_t size, const void __user *ptr, void *x) +{ + size = uaccess.copy_from_user_small(size, ptr, x); + return size ? -EFAULT : size; +} /* * These are the main single-value transfer routines. They automatically * use the right size if we just have the right pointer type. */ -#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2) -#define __put_user_asm(x, ptr, err) \ -({ \ - err = 0; \ - asm volatile( \ - "0: mvcs 0(%1,%2),%3,%0\n" \ - "1:\n" \ - __uaccess_fixup \ - : "+&d" (err) \ - : "d" (sizeof(*(ptr))), "a" (ptr), "Q" (x), \ - "K" (-EFAULT) \ - : __uaccess_clobber ); \ -}) -#else -#define __put_user_asm(x, ptr, err) \ -({ \ - err = 0; \ - asm volatile( \ - "0: mvcs 0(%1,%2),0(%3),%0\n" \ - "1:\n" \ - __uaccess_fixup \ - : "+&d" (err) \ - : "d" (sizeof(*(ptr))), "a" (ptr), "a" (&(x)), \ - "K" (-EFAULT), "m" (x) \ - : __uaccess_clobber ); \ -}) -#endif - #define __put_user(x, ptr) \ ({ \ __typeof__(*(ptr)) __x = (x); \ - int __pu_err; \ + int __pu_err = -EFAULT; \ __chk_user_ptr(ptr); \ switch (sizeof (*(ptr))) { \ case 1: \ case 2: \ case 4: \ case 8: \ - __put_user_asm(__x, ptr, __pu_err); \ + __pu_err = __put_user_fn(sizeof (*(ptr)), \ + ptr, &__x); \ break; \ default: \ __put_user_bad(); \ @@ -172,60 +147,36 @@ struct exception_table_entry extern int __put_user_bad(void) __attribute__((noreturn)); -#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2) -#define __get_user_asm(x, ptr, err) \ -({ \ - err = 0; \ - asm volatile ( \ - "0: mvcp %O1(%2,%R1),0(%3),%0\n" \ - "1:\n" \ - __uaccess_fixup \ - : "+&d" (err), "=Q" (x) \ - : "d" (sizeof(*(ptr))), "a" (ptr), \ - "K" (-EFAULT) \ - : __uaccess_clobber ); \ -}) -#else -#define __get_user_asm(x, ptr, err) \ -({ \ - err = 0; \ - asm volatile ( \ - "0: mvcp 0(%2,%5),0(%3),%0\n" \ - "1:\n" \ - __uaccess_fixup \ - : "+&d" (err), "=m" (x) \ - : "d" (sizeof(*(ptr))), "a" (ptr), \ - "K" (-EFAULT), "a" (&(x)) \ - : __uaccess_clobber ); \ -}) -#endif - #define __get_user(x, ptr) \ ({ \ - int __gu_err; \ - __chk_user_ptr(ptr); \ + int __gu_err = -EFAULT; \ + __chk_user_ptr(ptr); \ switch (sizeof(*(ptr))) { \ case 1: { \ unsigned char __x; \ - __get_user_asm(__x, ptr, __gu_err); \ + __gu_err = __get_user_fn(sizeof (*(ptr)), \ + ptr, &__x); \ (x) = *(__force __typeof__(*(ptr)) *) &__x; \ break; \ }; \ case 2: { \ unsigned short __x; \ - __get_user_asm(__x, ptr, __gu_err); \ + __gu_err = __get_user_fn(sizeof (*(ptr)), \ + ptr, &__x); \ (x) = *(__force __typeof__(*(ptr)) *) &__x; \ break; \ }; \ case 4: { \ unsigned int __x; \ - __get_user_asm(__x, ptr, __gu_err); \ + __gu_err = __get_user_fn(sizeof (*(ptr)), \ + ptr, &__x); \ (x) = *(__force __typeof__(*(ptr)) *) &__x; \ break; \ }; \ case 8: { \ unsigned long long __x; \ - __get_user_asm(__x, ptr, __gu_err); \ + __gu_err = __get_user_fn(sizeof (*(ptr)), \ + ptr, &__x); \ (x) = *(__force __typeof__(*(ptr)) *) &__x; \ break; \ }; \ @@ -247,8 +198,6 @@ extern int __get_user_bad(void) __attribute__((noreturn)); #define __put_user_unaligned __put_user #define __get_user_unaligned __get_user -extern long __copy_to_user_asm(const void *from, long n, void __user *to); - /** * __copy_to_user: - Copy a block of data into user space, with less checking. * @to: Destination address, in user space. @@ -266,7 +215,10 @@ extern long __copy_to_user_asm(const void *from, long n, void __user *to); static inline unsigned long __copy_to_user(void __user *to, const void *from, unsigned long n) { - return __copy_to_user_asm(from, n, to); + if (__builtin_constant_p(n) && (n <= 256)) + return uaccess.copy_to_user_small(n, to, from); + else + return uaccess.copy_to_user(n, to, from); } #define __copy_to_user_inatomic __copy_to_user @@ -294,8 +246,6 @@ copy_to_user(void __user *to, const void *from, unsigned long n) return n; } -extern long __copy_from_user_asm(void *to, long n, const void __user *from); - /** * __copy_from_user: - Copy a block of data from user space, with less checking. * @to: Destination address, in kernel space. @@ -316,7 +266,10 @@ extern long __copy_from_user_asm(void *to, long n, const void __user *from); static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n) { - return __copy_from_user_asm(to, n, from); + if (__builtin_constant_p(n) && (n <= 256)) + return uaccess.copy_from_user_small(n, from, to); + else + return uaccess.copy_from_user(n, from, to); } /** @@ -346,13 +299,10 @@ copy_from_user(void *to, const void __user *from, unsigned long n) return n; } -extern unsigned long __copy_in_user_asm(const void __user *from, long n, - void __user *to); - static inline unsigned long __copy_in_user(void __user *to, const void __user *from, unsigned long n) { - return __copy_in_user_asm(from, n, to); + return uaccess.copy_in_user(n, to, from); } static inline unsigned long @@ -360,34 +310,28 @@ copy_in_user(void __user *to, const void __user *from, unsigned long n) { might_sleep(); if (__access_ok(from,n) && __access_ok(to,n)) - n = __copy_in_user_asm(from, n, to); + n = __copy_in_user(to, from, n); return n; } /* * Copy a null terminated string from userspace. */ -extern long __strncpy_from_user_asm(long count, char *dst, - const char __user *src); - static inline long strncpy_from_user(char *dst, const char __user *src, long count) { long res = -EFAULT; might_sleep(); if (access_ok(VERIFY_READ, src, 1)) - res = __strncpy_from_user_asm(count, dst, src); + res = uaccess.strncpy_from_user(count, src, dst); return res; } - -extern long __strnlen_user_asm(long count, const char __user *src); - static inline unsigned long strnlen_user(const char __user * src, unsigned long n) { might_sleep(); - return __strnlen_user_asm(n, src); + return uaccess.strnlen_user(n, src); } /** @@ -410,12 +354,10 @@ strnlen_user(const char __user * src, unsigned long n) * Zero Userspace */ -extern long __clear_user_asm(void __user *to, long n); - static inline unsigned long __clear_user(void __user *to, unsigned long n) { - return __clear_user_asm(to, n); + return uaccess.clear_user(n, to); } static inline unsigned long @@ -423,7 +365,7 @@ clear_user(void __user *to, unsigned long n) { might_sleep(); if (access_ok(VERIFY_WRITE, to, n)) - n = __clear_user_asm(to, n); + n = uaccess.clear_user(n, to); return n; } diff --git a/include/asm-s390/unistd.h b/include/asm-s390/unistd.h index aa7a243..02b942d 100644 --- a/include/asm-s390/unistd.h +++ b/include/asm-s390/unistd.h @@ -25,17 +25,12 @@ #define __NR_unlink 10 #define __NR_execve 11 #define __NR_chdir 12 -#define __NR_time 13 #define __NR_mknod 14 #define __NR_chmod 15 -#define __NR_lchown 16 #define __NR_lseek 19 #define __NR_getpid 20 #define __NR_mount 21 #define __NR_umount 22 -#define __NR_setuid 23 -#define __NR_getuid 24 -#define __NR_stime 25 #define __NR_ptrace 26 #define __NR_alarm 27 #define __NR_pause 29 @@ -51,11 +46,7 @@ #define __NR_pipe 42 #define __NR_times 43 #define __NR_brk 45 -#define __NR_setgid 46 -#define __NR_getgid 47 #define __NR_signal 48 -#define __NR_geteuid 49 -#define __NR_getegid 50 #define __NR_acct 51 #define __NR_umount2 52 #define __NR_ioctl 54 @@ -69,18 +60,13 @@ #define __NR_getpgrp 65 #define __NR_setsid 66 #define __NR_sigaction 67 -#define __NR_setreuid 70 -#define __NR_setregid 71 #define __NR_sigsuspend 72 #define __NR_sigpending 73 #define __NR_sethostname 74 #define __NR_setrlimit 75 -#define __NR_getrlimit 76 #define __NR_getrusage 77 #define __NR_gettimeofday 78 #define __NR_settimeofday 79 -#define __NR_getgroups 80 -#define __NR_setgroups 81 #define __NR_symlink 83 #define __NR_readlink 85 #define __NR_uselib 86 @@ -92,12 +78,10 @@ #define __NR_truncate 92 #define __NR_ftruncate 93 #define __NR_fchmod 94 -#define __NR_fchown 95 #define __NR_getpriority 96 #define __NR_setpriority 97 #define __NR_statfs 99 #define __NR_fstatfs 100 -#define __NR_ioperm 101 #define __NR_socketcall 102 #define __NR_syslog 103 #define __NR_setitimer 104 @@ -131,11 +115,7 @@ #define __NR_sysfs 135 #define __NR_personality 136 #define __NR_afs_syscall 137 /* Syscall for Andrew File System */ -#define __NR_setfsuid 138 -#define __NR_setfsgid 139 -#define __NR__llseek 140 #define __NR_getdents 141 -#define __NR__newselect 142 #define __NR_flock 143 #define __NR_msync 144 #define __NR_readv 145 @@ -157,13 +137,9 @@ #define __NR_sched_rr_get_interval 161 #define __NR_nanosleep 162 #define __NR_mremap 163 -#define __NR_setresuid 164 -#define __NR_getresuid 165 #define __NR_query_module 167 #define __NR_poll 168 #define __NR_nfsservctl 169 -#define __NR_setresgid 170 -#define __NR_getresgid 171 #define __NR_prctl 172 #define __NR_rt_sigreturn 173 #define __NR_rt_sigaction 174 @@ -174,7 +150,6 @@ #define __NR_rt_sigsuspend 179 #define __NR_pread64 180 #define __NR_pwrite64 181 -#define __NR_chown 182 #define __NR_getcwd 183 #define __NR_capget 184 #define __NR_capset 185 @@ -183,39 +158,11 @@ #define __NR_getpmsg 188 #define __NR_putpmsg 189 #define __NR_vfork 190 -#define __NR_ugetrlimit 191 /* SuS compliant getrlimit */ -#define __NR_mmap2 192 -#define __NR_truncate64 193 -#define __NR_ftruncate64 194 -#define __NR_stat64 195 -#define __NR_lstat64 196 -#define __NR_fstat64 197 -#define __NR_lchown32 198 -#define __NR_getuid32 199 -#define __NR_getgid32 200 -#define __NR_geteuid32 201 -#define __NR_getegid32 202 -#define __NR_setreuid32 203 -#define __NR_setregid32 204 -#define __NR_getgroups32 205 -#define __NR_setgroups32 206 -#define __NR_fchown32 207 -#define __NR_setresuid32 208 -#define __NR_getresuid32 209 -#define __NR_setresgid32 210 -#define __NR_getresgid32 211 -#define __NR_chown32 212 -#define __NR_setuid32 213 -#define __NR_setgid32 214 -#define __NR_setfsuid32 215 -#define __NR_setfsgid32 216 #define __NR_pivot_root 217 #define __NR_mincore 218 #define __NR_madvise 219 #define __NR_getdents64 220 -#define __NR_fcntl64 221 #define __NR_readahead 222 -#define __NR_sendfile64 223 #define __NR_setxattr 224 #define __NR_lsetxattr 225 #define __NR_fsetxattr 226 @@ -256,7 +203,6 @@ #define __NR_clock_getres (__NR_timer_create+7) #define __NR_clock_nanosleep (__NR_timer_create+8) /* Number 263 is reserved for vserver */ -#define __NR_fadvise64_64 264 #define __NR_statfs64 265 #define __NR_fstatfs64 266 #define __NR_remap_file_pages 267 @@ -285,7 +231,6 @@ #define __NR_mknodat 290 #define __NR_fchownat 291 #define __NR_futimesat 292 -#define __NR_fstatat64 293 #define __NR_unlinkat 294 #define __NR_renameat 295 #define __NR_linkat 296 @@ -310,62 +255,65 @@ * have a different name although they do the same (e.g. __NR_chown32 * is __NR_chown on 64 bit). */ -#ifdef __s390x__ -#undef __NR_time -#undef __NR_lchown -#undef __NR_setuid -#undef __NR_getuid -#undef __NR_stime -#undef __NR_setgid -#undef __NR_getgid -#undef __NR_geteuid -#undef __NR_getegid -#undef __NR_setreuid -#undef __NR_setregid -#undef __NR_getrlimit -#undef __NR_getgroups -#undef __NR_setgroups -#undef __NR_fchown -#undef __NR_ioperm -#undef __NR_setfsuid -#undef __NR_setfsgid -#undef __NR__llseek -#undef __NR__newselect -#undef __NR_setresuid -#undef __NR_getresuid -#undef __NR_setresgid -#undef __NR_getresgid -#undef __NR_chown -#undef __NR_ugetrlimit -#undef __NR_mmap2 -#undef __NR_truncate64 -#undef __NR_ftruncate64 -#undef __NR_stat64 -#undef __NR_lstat64 -#undef __NR_fstat64 -#undef __NR_lchown32 -#undef __NR_getuid32 -#undef __NR_getgid32 -#undef __NR_geteuid32 -#undef __NR_getegid32 -#undef __NR_setreuid32 -#undef __NR_setregid32 -#undef __NR_getgroups32 -#undef __NR_setgroups32 -#undef __NR_fchown32 -#undef __NR_setresuid32 -#undef __NR_getresuid32 -#undef __NR_setresgid32 -#undef __NR_getresgid32 -#undef __NR_chown32 -#undef __NR_setuid32 -#undef __NR_setgid32 -#undef __NR_setfsuid32 -#undef __NR_setfsgid32 -#undef __NR_fcntl64 -#undef __NR_sendfile64 -#undef __NR_fadvise64_64 -#undef __NR_fstatat64 +#ifndef __s390x__ + +#define __NR_time 13 +#define __NR_lchown 16 +#define __NR_setuid 23 +#define __NR_getuid 24 +#define __NR_stime 25 +#define __NR_setgid 46 +#define __NR_getgid 47 +#define __NR_geteuid 49 +#define __NR_getegid 50 +#define __NR_setreuid 70 +#define __NR_setregid 71 +#define __NR_getrlimit 76 +#define __NR_getgroups 80 +#define __NR_setgroups 81 +#define __NR_fchown 95 +#define __NR_ioperm 101 +#define __NR_setfsuid 138 +#define __NR_setfsgid 139 +#define __NR__llseek 140 +#define __NR__newselect 142 +#define __NR_setresuid 164 +#define __NR_getresuid 165 +#define __NR_setresgid 170 +#define __NR_getresgid 171 +#define __NR_chown 182 +#define __NR_ugetrlimit 191 /* SuS compliant getrlimit */ +#define __NR_mmap2 192 +#define __NR_truncate64 193 +#define __NR_ftruncate64 194 +#define __NR_stat64 195 +#define __NR_lstat64 196 +#define __NR_fstat64 197 +#define __NR_lchown32 198 +#define __NR_getuid32 199 +#define __NR_getgid32 200 +#define __NR_geteuid32 201 +#define __NR_getegid32 202 +#define __NR_setreuid32 203 +#define __NR_setregid32 204 +#define __NR_getgroups32 205 +#define __NR_setgroups32 206 +#define __NR_fchown32 207 +#define __NR_setresuid32 208 +#define __NR_getresuid32 209 +#define __NR_setresgid32 210 +#define __NR_getresgid32 211 +#define __NR_chown32 212 +#define __NR_setuid32 213 +#define __NR_setgid32 214 +#define __NR_setfsuid32 215 +#define __NR_setfsgid32 216 +#define __NR_fcntl64 221 +#define __NR_sendfile64 223 +#define __NR_fadvise64_64 264 +#define __NR_fstatat64 293 + +#else #define __NR_select 142 #define __NR_getrlimit 191 /* SuS compliant getrlimit */ diff --git a/include/asm-s390/z90crypt.h b/include/asm-s390/z90crypt.h deleted file mode 100644 index 31a2439..0000000 --- a/include/asm-s390/z90crypt.h +++ /dev/null @@ -1,212 +0,0 @@ -/* - * include/asm-s390/z90crypt.h - * - * z90crypt 1.3.3 (user-visible header) - * - * Copyright (C) 2001, 2005 IBM Corporation - * Author(s): Robert Burroughs - * Eric Rossman (edrossma@us.ibm.com) - * - * Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.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, 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., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef __ASM_S390_Z90CRYPT_H -#define __ASM_S390_Z90CRYPT_H -#include <linux/ioctl.h> - -#define z90crypt_VERSION 1 -#define z90crypt_RELEASE 3 // 2 = PCIXCC, 3 = rewrite for coding standards -#define z90crypt_VARIANT 3 // 3 = CEX2A support - -/** - * struct ica_rsa_modexpo - * - * Requirements: - * - outputdatalength is at least as large as inputdatalength. - * - All key parts are right justified in their fields, padded on - * the left with zeroes. - * - length(b_key) = inputdatalength - * - length(n_modulus) = inputdatalength - */ -struct ica_rsa_modexpo { - char __user * inputdata; - unsigned int inputdatalength; - char __user * outputdata; - unsigned int outputdatalength; - char __user * b_key; - char __user * n_modulus; -}; - -/** - * struct ica_rsa_modexpo_crt - * - * Requirements: - * - inputdatalength is even. - * - outputdatalength is at least as large as inputdatalength. - * - All key parts are right justified in their fields, padded on - * the left with zeroes. - * - length(bp_key) = inputdatalength/2 + 8 - * - length(bq_key) = inputdatalength/2 - * - length(np_key) = inputdatalength/2 + 8 - * - length(nq_key) = inputdatalength/2 - * - length(u_mult_inv) = inputdatalength/2 + 8 - */ -struct ica_rsa_modexpo_crt { - char __user * inputdata; - unsigned int inputdatalength; - char __user * outputdata; - unsigned int outputdatalength; - char __user * bp_key; - char __user * bq_key; - char __user * np_prime; - char __user * nq_prime; - char __user * u_mult_inv; -}; - -#define Z90_IOCTL_MAGIC 'z' // NOTE: Need to allocate from linux folks - -/** - * Interface notes: - * - * The ioctl()s which are implemented (along with relevant details) - * are: - * - * ICARSAMODEXPO - * Perform an RSA operation using a Modulus-Exponent pair - * This takes an ica_rsa_modexpo struct as its arg. - * - * NOTE: please refer to the comments preceding this structure - * for the implementation details for the contents of the - * block - * - * ICARSACRT - * Perform an RSA operation using a Chinese-Remainder Theorem key - * This takes an ica_rsa_modexpo_crt struct as its arg. - * - * NOTE: please refer to the comments preceding this structure - * for the implementation details for the contents of the - * block - * - * Z90STAT_TOTALCOUNT - * Return an integer count of all device types together. - * - * Z90STAT_PCICACOUNT - * Return an integer count of all PCICAs. - * - * Z90STAT_PCICCCOUNT - * Return an integer count of all PCICCs. - * - * Z90STAT_PCIXCCMCL2COUNT - * Return an integer count of all MCL2 PCIXCCs. - * - * Z90STAT_PCIXCCMCL3COUNT - * Return an integer count of all MCL3 PCIXCCs. - * - * Z90STAT_CEX2CCOUNT - * Return an integer count of all CEX2Cs. - * - * Z90STAT_CEX2ACOUNT - * Return an integer count of all CEX2As. - * - * Z90STAT_REQUESTQ_COUNT - * Return an integer count of the number of entries waiting to be - * sent to a device. - * - * Z90STAT_PENDINGQ_COUNT - * Return an integer count of the number of entries sent to a - * device awaiting the reply. - * - * Z90STAT_TOTALOPEN_COUNT - * Return an integer count of the number of open file handles. - * - * Z90STAT_DOMAIN_INDEX - * Return the integer value of the Cryptographic Domain. - * - * Z90STAT_STATUS_MASK - * Return an 64 element array of unsigned chars for the status of - * all devices. - * 0x01: PCICA - * 0x02: PCICC - * 0x03: PCIXCC_MCL2 - * 0x04: PCIXCC_MCL3 - * 0x05: CEX2C - * 0x06: CEX2A - * 0x0d: device is disabled via the proc filesystem - * - * Z90STAT_QDEPTH_MASK - * Return an 64 element array of unsigned chars for the queue - * depth of all devices. - * - * Z90STAT_PERDEV_REQCNT - * Return an 64 element array of unsigned integers for the number - * of successfully completed requests per device since the device - * was detected and made available. - * - * ICAZ90STATUS (deprecated) - * Return some device driver status in a ica_z90_status struct - * This takes an ica_z90_status struct as its arg. - * - * NOTE: this ioctl() is deprecated, and has been replaced with - * single ioctl()s for each type of status being requested - * - * Z90STAT_PCIXCCCOUNT (deprecated) - * Return an integer count of all PCIXCCs (MCL2 + MCL3). - * This is DEPRECATED now that MCL3 PCIXCCs are treated differently from - * MCL2 PCIXCCs. - * - * Z90QUIESCE (not recommended) - * Quiesce the driver. This is intended to stop all new - * requests from being processed. Its use is NOT recommended, - * except in circumstances where there is no other way to stop - * callers from accessing the driver. Its original use was to - * allow the driver to be "drained" of work in preparation for - * a system shutdown. - * - * NOTE: once issued, this ban on new work cannot be undone - * except by unloading and reloading the driver. - */ - -/** - * Supported ioctl calls - */ -#define ICARSAMODEXPO _IOC(_IOC_READ|_IOC_WRITE, Z90_IOCTL_MAGIC, 0x05, 0) -#define ICARSACRT _IOC(_IOC_READ|_IOC_WRITE, Z90_IOCTL_MAGIC, 0x06, 0) - -/* DEPRECATED status calls (bound for removal at some point) */ -#define ICAZ90STATUS _IOR(Z90_IOCTL_MAGIC, 0x10, struct ica_z90_status) -#define Z90STAT_PCIXCCCOUNT _IOR(Z90_IOCTL_MAGIC, 0x43, int) - -/* unrelated to ICA callers */ -#define Z90QUIESCE _IO(Z90_IOCTL_MAGIC, 0x11) - -/* New status calls */ -#define Z90STAT_TOTALCOUNT _IOR(Z90_IOCTL_MAGIC, 0x40, int) -#define Z90STAT_PCICACOUNT _IOR(Z90_IOCTL_MAGIC, 0x41, int) -#define Z90STAT_PCICCCOUNT _IOR(Z90_IOCTL_MAGIC, 0x42, int) -#define Z90STAT_PCIXCCMCL2COUNT _IOR(Z90_IOCTL_MAGIC, 0x4b, int) -#define Z90STAT_PCIXCCMCL3COUNT _IOR(Z90_IOCTL_MAGIC, 0x4c, int) -#define Z90STAT_CEX2CCOUNT _IOR(Z90_IOCTL_MAGIC, 0x4d, int) -#define Z90STAT_CEX2ACOUNT _IOR(Z90_IOCTL_MAGIC, 0x4e, int) -#define Z90STAT_REQUESTQ_COUNT _IOR(Z90_IOCTL_MAGIC, 0x44, int) -#define Z90STAT_PENDINGQ_COUNT _IOR(Z90_IOCTL_MAGIC, 0x45, int) -#define Z90STAT_TOTALOPEN_COUNT _IOR(Z90_IOCTL_MAGIC, 0x46, int) -#define Z90STAT_DOMAIN_INDEX _IOR(Z90_IOCTL_MAGIC, 0x47, int) -#define Z90STAT_STATUS_MASK _IOR(Z90_IOCTL_MAGIC, 0x48, char[64]) -#define Z90STAT_QDEPTH_MASK _IOR(Z90_IOCTL_MAGIC, 0x49, char[64]) -#define Z90STAT_PERDEV_REQCNT _IOR(Z90_IOCTL_MAGIC, 0x4a, int[64]) - -#endif /* __ASM_S390_Z90CRYPT_H */ diff --git a/include/asm-s390/zcrypt.h b/include/asm-s390/zcrypt.h new file mode 100644 index 0000000..7244c68 --- /dev/null +++ b/include/asm-s390/zcrypt.h @@ -0,0 +1,285 @@ +/* + * include/asm-s390/zcrypt.h + * + * zcrypt 2.1.0 (user-visible header) + * + * Copyright (C) 2001, 2006 IBM Corporation + * Author(s): Robert Burroughs + * Eric Rossman (edrossma@us.ibm.com) + * + * Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.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, 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __ASM_S390_ZCRYPT_H +#define __ASM_S390_ZCRYPT_H + +#define ZCRYPT_VERSION 2 +#define ZCRYPT_RELEASE 1 +#define ZCRYPT_VARIANT 0 + +#include <linux/ioctl.h> +#include <linux/compiler.h> + +/** + * struct ica_rsa_modexpo + * + * Requirements: + * - outputdatalength is at least as large as inputdatalength. + * - All key parts are right justified in their fields, padded on + * the left with zeroes. + * - length(b_key) = inputdatalength + * - length(n_modulus) = inputdatalength + */ +struct ica_rsa_modexpo { + char __user * inputdata; + unsigned int inputdatalength; + char __user * outputdata; + unsigned int outputdatalength; + char __user * b_key; + char __user * n_modulus; +}; + +/** + * struct ica_rsa_modexpo_crt + * + * Requirements: + * - inputdatalength is even. + * - outputdatalength is at least as large as inputdatalength. + * - All key parts are right justified in their fields, padded on + * the left with zeroes. + * - length(bp_key) = inputdatalength/2 + 8 + * - length(bq_key) = inputdatalength/2 + * - length(np_key) = inputdatalength/2 + 8 + * - length(nq_key) = inputdatalength/2 + * - length(u_mult_inv) = inputdatalength/2 + 8 + */ +struct ica_rsa_modexpo_crt { + char __user * inputdata; + unsigned int inputdatalength; + char __user * outputdata; + unsigned int outputdatalength; + char __user * bp_key; + char __user * bq_key; + char __user * np_prime; + char __user * nq_prime; + char __user * u_mult_inv; +}; + +/** + * CPRBX + * Note that all shorts and ints are big-endian. + * All pointer fields are 16 bytes long, and mean nothing. + * + * A request CPRB is followed by a request_parameter_block. + * + * The request (or reply) parameter block is organized thus: + * function code + * VUD block + * key block + */ +struct ica_CPRBX { + unsigned short cprb_len; /* CPRB length 220 */ + unsigned char cprb_ver_id; /* CPRB version id. 0x02 */ + unsigned char pad_000[3]; /* Alignment pad bytes */ + unsigned char func_id[2]; /* function id 0x5432 */ + unsigned char cprb_flags[4]; /* Flags */ + unsigned int req_parml; /* request parameter buffer len */ + unsigned int req_datal; /* request data buffer */ + unsigned int rpl_msgbl; /* reply message block length */ + unsigned int rpld_parml; /* replied parameter block len */ + unsigned int rpl_datal; /* reply data block len */ + unsigned int rpld_datal; /* replied data block len */ + unsigned int req_extbl; /* request extension block len */ + unsigned char pad_001[4]; /* reserved */ + unsigned int rpld_extbl; /* replied extension block len */ + unsigned char padx000[16 - sizeof (char *)]; + unsigned char * req_parmb; /* request parm block 'address' */ + unsigned char padx001[16 - sizeof (char *)]; + unsigned char * req_datab; /* request data block 'address' */ + unsigned char padx002[16 - sizeof (char *)]; + unsigned char * rpl_parmb; /* reply parm block 'address' */ + unsigned char padx003[16 - sizeof (char *)]; + unsigned char * rpl_datab; /* reply data block 'address' */ + unsigned char padx004[16 - sizeof (char *)]; + unsigned char * req_extb; /* request extension block 'addr'*/ + unsigned char padx005[16 - sizeof (char *)]; + unsigned char * rpl_extb; /* reply extension block 'addres'*/ + unsigned short ccp_rtcode; /* server return code */ + unsigned short ccp_rscode; /* server reason code */ + unsigned int mac_data_len; /* Mac Data Length */ + unsigned char logon_id[8]; /* Logon Identifier */ + unsigned char mac_value[8]; /* Mac Value */ + unsigned char mac_content_flgs;/* Mac content flag byte */ + unsigned char pad_002; /* Alignment */ + unsigned short domain; /* Domain */ + unsigned char usage_domain[4];/* Usage domain */ + unsigned char cntrl_domain[4];/* Control domain */ + unsigned char S390enf_mask[4];/* S/390 enforcement mask */ + unsigned char pad_004[36]; /* reserved */ +}; + +/** + * xcRB + */ +struct ica_xcRB { + unsigned short agent_ID; + unsigned int user_defined; + unsigned short request_ID; + unsigned int request_control_blk_length; + unsigned char padding1[16 - sizeof (char *)]; + char __user * request_control_blk_addr; + unsigned int request_data_length; + char padding2[16 - sizeof (char *)]; + char __user * request_data_address; + unsigned int reply_control_blk_length; + char padding3[16 - sizeof (char *)]; + char __user * reply_control_blk_addr; + unsigned int reply_data_length; + char padding4[16 - sizeof (char *)]; + char __user * reply_data_addr; + unsigned short priority_window; + unsigned int status; +} __attribute__((packed)); +#define AUTOSELECT ((unsigned int)0xFFFFFFFF) + +#define ZCRYPT_IOCTL_MAGIC 'z' + +/** + * Interface notes: + * + * The ioctl()s which are implemented (along with relevant details) + * are: + * + * ICARSAMODEXPO + * Perform an RSA operation using a Modulus-Exponent pair + * This takes an ica_rsa_modexpo struct as its arg. + * + * NOTE: please refer to the comments preceding this structure + * for the implementation details for the contents of the + * block + * + * ICARSACRT + * Perform an RSA operation using a Chinese-Remainder Theorem key + * This takes an ica_rsa_modexpo_crt struct as its arg. + * + * NOTE: please refer to the comments preceding this structure + * for the implementation details for the contents of the + * block + * + * Z90STAT_TOTALCOUNT + * Return an integer count of all device types together. + * + * Z90STAT_PCICACOUNT + * Return an integer count of all PCICAs. + * + * Z90STAT_PCICCCOUNT + * Return an integer count of all PCICCs. + * + * Z90STAT_PCIXCCMCL2COUNT + * Return an integer count of all MCL2 PCIXCCs. + * + * Z90STAT_PCIXCCMCL3COUNT + * Return an integer count of all MCL3 PCIXCCs. + * + * Z90STAT_CEX2CCOUNT + * Return an integer count of all CEX2Cs. + * + * Z90STAT_CEX2ACOUNT + * Return an integer count of all CEX2As. + * + * Z90STAT_REQUESTQ_COUNT + * Return an integer count of the number of entries waiting to be + * sent to a device. + * + * Z90STAT_PENDINGQ_COUNT + * Return an integer count of the number of entries sent to a + * device awaiting the reply. + * + * Z90STAT_TOTALOPEN_COUNT + * Return an integer count of the number of open file handles. + * + * Z90STAT_DOMAIN_INDEX + * Return the integer value of the Cryptographic Domain. + * + * Z90STAT_STATUS_MASK + * Return an 64 element array of unsigned chars for the status of + * all devices. + * 0x01: PCICA + * 0x02: PCICC + * 0x03: PCIXCC_MCL2 + * 0x04: PCIXCC_MCL3 + * 0x05: CEX2C + * 0x06: CEX2A + * 0x0d: device is disabled via the proc filesystem + * + * Z90STAT_QDEPTH_MASK + * Return an 64 element array of unsigned chars for the queue + * depth of all devices. + * + * Z90STAT_PERDEV_REQCNT + * Return an 64 element array of unsigned integers for the number + * of successfully completed requests per device since the device + * was detected and made available. + * + * ICAZ90STATUS (deprecated) + * Return some device driver status in a ica_z90_status struct + * This takes an ica_z90_status struct as its arg. + * + * NOTE: this ioctl() is deprecated, and has been replaced with + * single ioctl()s for each type of status being requested + * + * Z90STAT_PCIXCCCOUNT (deprecated) + * Return an integer count of all PCIXCCs (MCL2 + MCL3). + * This is DEPRECATED now that MCL3 PCIXCCs are treated differently from + * MCL2 PCIXCCs. + * + * Z90QUIESCE (not recommended) + * Quiesce the driver. This is intended to stop all new + * requests from being processed. Its use is NOT recommended, + * except in circumstances where there is no other way to stop + * callers from accessing the driver. Its original use was to + * allow the driver to be "drained" of work in preparation for + * a system shutdown. + * + * NOTE: once issued, this ban on new work cannot be undone + * except by unloading and reloading the driver. + */ + +/** + * Supported ioctl calls + */ +#define ICARSAMODEXPO _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x05, 0) +#define ICARSACRT _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x06, 0) +#define ZSECSENDCPRB _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x81, 0) + +/* New status calls */ +#define Z90STAT_TOTALCOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x40, int) +#define Z90STAT_PCICACOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x41, int) +#define Z90STAT_PCICCCOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x42, int) +#define Z90STAT_PCIXCCMCL2COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4b, int) +#define Z90STAT_PCIXCCMCL3COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4c, int) +#define Z90STAT_CEX2CCOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4d, int) +#define Z90STAT_CEX2ACOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4e, int) +#define Z90STAT_REQUESTQ_COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x44, int) +#define Z90STAT_PENDINGQ_COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x45, int) +#define Z90STAT_TOTALOPEN_COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x46, int) +#define Z90STAT_DOMAIN_INDEX _IOR(ZCRYPT_IOCTL_MAGIC, 0x47, int) +#define Z90STAT_STATUS_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x48, char[64]) +#define Z90STAT_QDEPTH_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x49, char[64]) +#define Z90STAT_PERDEV_REQCNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4a, int[64]) + +#endif /* __ASM_S390_ZCRYPT_H */ diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index f697770..f7ca0b0 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -148,6 +148,17 @@ struct ccw_device_id { #define CCW_DEVICE_ID_MATCH_DEVICE_TYPE 0x04 #define CCW_DEVICE_ID_MATCH_DEVICE_MODEL 0x08 +/* s390 AP bus devices */ +struct ap_device_id { + __u16 match_flags; /* which fields to match against */ + __u8 dev_type; /* device type */ + __u8 pad1; + __u32 pad2; + kernel_ulong_t driver_info; +}; + +#define AP_DEVICE_ID_MATCH_DEVICE_TYPE 0x01 + #define PNP_ID_LEN 8 #define PNP_MAX_DEVICES 8 |