diff options
Diffstat (limited to 'include/asm-s390')
-rw-r--r-- | include/asm-s390/auxvec.h | 4 | ||||
-rw-r--r-- | include/asm-s390/compat.h | 20 | ||||
-rw-r--r-- | include/asm-s390/debug.h | 2 | ||||
-rw-r--r-- | include/asm-s390/fcntl.h | 98 | ||||
-rw-r--r-- | include/asm-s390/futex.h | 53 | ||||
-rw-r--r-- | include/asm-s390/lowcore.h | 8 | ||||
-rw-r--r-- | include/asm-s390/page.h | 16 | ||||
-rw-r--r-- | include/asm-s390/spinlock.h | 4 | ||||
-rw-r--r-- | include/asm-s390/types.h | 2 | ||||
-rw-r--r-- | include/asm-s390/uaccess.h | 7 |
10 files changed, 78 insertions, 136 deletions
diff --git a/include/asm-s390/auxvec.h b/include/asm-s390/auxvec.h new file mode 100644 index 00000000000..0d340720fd9 --- /dev/null +++ b/include/asm-s390/auxvec.h @@ -0,0 +1,4 @@ +#ifndef __ASMS390_AUXVEC_H +#define __ASMS390_AUXVEC_H + +#endif diff --git a/include/asm-s390/compat.h b/include/asm-s390/compat.h index 7f8f544eb26..a007715f4ae 100644 --- a/include/asm-s390/compat.h +++ b/include/asm-s390/compat.h @@ -13,10 +13,10 @@ typedef s32 compat_ssize_t; typedef s32 compat_time_t; typedef s32 compat_clock_t; typedef s32 compat_pid_t; -typedef u16 compat_uid_t; -typedef u16 compat_gid_t; -typedef u32 compat_uid32_t; -typedef u32 compat_gid32_t; +typedef u16 __compat_uid_t; +typedef u16 __compat_gid_t; +typedef u32 __compat_uid32_t; +typedef u32 __compat_gid32_t; typedef u16 compat_mode_t; typedef u32 compat_ino_t; typedef u16 compat_dev_t; @@ -51,8 +51,8 @@ struct compat_stat { compat_ino_t st_ino; compat_mode_t st_mode; compat_nlink_t st_nlink; - compat_uid_t st_uid; - compat_gid_t st_gid; + __compat_uid_t st_uid; + __compat_gid_t st_gid; compat_dev_t st_rdev; u16 __pad2; u32 st_size; @@ -140,10 +140,10 @@ static inline void __user *compat_alloc_user_space(long len) struct compat_ipc64_perm { compat_key_t key; - compat_uid32_t uid; - compat_gid32_t gid; - compat_uid32_t cuid; - compat_gid32_t cgid; + __compat_uid32_t uid; + __compat_gid32_t gid; + __compat_uid32_t cuid; + __compat_gid32_t cgid; compat_mode_t mode; unsigned short __pad1; unsigned short seq; diff --git a/include/asm-s390/debug.h b/include/asm-s390/debug.h index 92360d90144..7127030ae16 100644 --- a/include/asm-s390/debug.h +++ b/include/asm-s390/debug.h @@ -52,8 +52,6 @@ struct __debug_entry{ #define DEBUG_DATA(entry) (char*)(entry + 1) /* data is stored behind */ /* the entry information */ -#define STCK(x) asm volatile ("STCK 0(%1)" : "=m" (x) : "a" (&(x)) : "cc") - typedef struct __debug_entry debug_entry_t; struct debug_view; diff --git a/include/asm-s390/fcntl.h b/include/asm-s390/fcntl.h index 48f692b4573..46ab12db573 100644 --- a/include/asm-s390/fcntl.h +++ b/include/asm-s390/fcntl.h @@ -1,97 +1 @@ -/* - * include/asm-s390/fcntl.h - * - * S390 version - * - * Derived from "include/asm-i386/fcntl.h" - */ -#ifndef _S390_FCNTL_H -#define _S390_FCNTL_H - -/* open/fcntl - O_SYNC is only implemented on blocks devices and on files - located on an ext2 file system */ -#define O_ACCMODE 0003 -#define O_RDONLY 00 -#define O_WRONLY 01 -#define O_RDWR 02 -#define O_CREAT 0100 /* not fcntl */ -#define O_EXCL 0200 /* not fcntl */ -#define O_NOCTTY 0400 /* not fcntl */ -#define O_TRUNC 01000 /* not fcntl */ -#define O_APPEND 02000 -#define O_NONBLOCK 04000 -#define O_NDELAY O_NONBLOCK -#define O_SYNC 010000 -#define FASYNC 020000 /* fcntl, for BSD compatibility */ -#define O_DIRECT 040000 /* direct disk access hint */ -#define O_LARGEFILE 0100000 -#define O_DIRECTORY 0200000 /* must be a directory */ -#define O_NOFOLLOW 0400000 /* don't follow links */ -#define O_NOATIME 01000000 - -#define F_DUPFD 0 /* dup */ -#define F_GETFD 1 /* get close_on_exec */ -#define F_SETFD 2 /* set/clear close_on_exec */ -#define F_GETFL 3 /* get file->f_flags */ -#define F_SETFL 4 /* set file->f_flags */ -#define F_GETLK 5 -#define F_SETLK 6 -#define F_SETLKW 7 - -#define F_SETOWN 8 /* for sockets. */ -#define F_GETOWN 9 /* for sockets. */ -#define F_SETSIG 10 /* for sockets. */ -#define F_GETSIG 11 /* for sockets. */ - -#ifndef __s390x__ -#define F_GETLK64 12 /* using 'struct flock64' */ -#define F_SETLK64 13 -#define F_SETLKW64 14 -#endif /* ! __s390x__ */ - -/* for F_[GET|SET]FL */ -#define FD_CLOEXEC 1 /* actually anything with low bit set goes */ - -/* for posix fcntl() and lockf() */ -#define F_RDLCK 0 -#define F_WRLCK 1 -#define F_UNLCK 2 - -/* for old implementation of bsd flock () */ -#define F_EXLCK 4 /* or 3 */ -#define F_SHLCK 8 /* or 4 */ - -/* for leases */ -#define F_INPROGRESS 16 - -/* operations for bsd flock(), also used by the kernel implementation */ -#define LOCK_SH 1 /* shared lock */ -#define LOCK_EX 2 /* exclusive lock */ -#define LOCK_NB 4 /* or'd with one of the above to prevent - blocking */ -#define LOCK_UN 8 /* remove lock */ - -#define LOCK_MAND 32 /* This is a mandatory flock */ -#define LOCK_READ 64 /* ... Which allows concurrent read operations */ -#define LOCK_WRITE 128 /* ... Which allows concurrent write operations */ -#define LOCK_RW 192 /* ... Which allows concurrent read & write ops */ - -struct flock { - short l_type; - short l_whence; - off_t l_start; - off_t l_len; - pid_t l_pid; -}; - -#ifndef __s390x__ -struct flock64 { - short l_type; - short l_whence; - loff_t l_start; - loff_t l_len; - pid_t l_pid; -}; -#endif -#define F_LINUX_SPECIFIC_BASE 1024 -#endif +#include <asm-generic/fcntl.h> diff --git a/include/asm-s390/futex.h b/include/asm-s390/futex.h new file mode 100644 index 00000000000..2cac5ecd9d0 --- /dev/null +++ b/include/asm-s390/futex.h @@ -0,0 +1,53 @@ +#ifndef _ASM_FUTEX_H +#define _ASM_FUTEX_H + +#ifdef __KERNEL__ + +#include <linux/futex.h> +#include <asm/errno.h> +#include <asm/uaccess.h> + +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, ret, tem; + 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: + case FUTEX_OP_ADD: + case FUTEX_OP_OR: + case FUTEX_OP_ANDN: + case FUTEX_OP_XOR: + default: + ret = -ENOSYS; + } + + dec_preempt_count(); + + if (!ret) { + switch (cmp) { + case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break; + case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break; + case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break; + case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break; + case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break; + case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break; + default: ret = -ENOSYS; + } + } + return ret; +} + +#endif +#endif diff --git a/include/asm-s390/lowcore.h b/include/asm-s390/lowcore.h index afe6a9f9b0a..c6f51c9ce3f 100644 --- a/include/asm-s390/lowcore.h +++ b/include/asm-s390/lowcore.h @@ -68,6 +68,7 @@ #define __LC_SYSTEM_TIMER 0x270 #define __LC_LAST_UPDATE_CLOCK 0x278 #define __LC_STEAL_CLOCK 0x280 +#define __LC_RETURN_MCCK_PSW 0x288 #define __LC_KERNEL_STACK 0xC40 #define __LC_THREAD_INFO 0xC44 #define __LC_ASYNC_STACK 0xC48 @@ -90,6 +91,7 @@ #define __LC_SYSTEM_TIMER 0x278 #define __LC_LAST_UPDATE_CLOCK 0x280 #define __LC_STEAL_CLOCK 0x288 +#define __LC_RETURN_MCCK_PSW 0x290 #define __LC_KERNEL_STACK 0xD40 #define __LC_THREAD_INFO 0xD48 #define __LC_ASYNC_STACK 0xD50 @@ -196,7 +198,8 @@ struct _lowcore __u64 system_timer; /* 0x270 */ __u64 last_update_clock; /* 0x278 */ __u64 steal_clock; /* 0x280 */ - __u8 pad8[0xc00-0x288]; /* 0x288 */ + psw_t return_mcck_psw; /* 0x288 */ + __u8 pad8[0xc00-0x290]; /* 0x290 */ /* System info area */ __u32 save_area[16]; /* 0xc00 */ @@ -285,7 +288,8 @@ struct _lowcore __u64 system_timer; /* 0x278 */ __u64 last_update_clock; /* 0x280 */ __u64 steal_clock; /* 0x288 */ - __u8 pad8[0xc00-0x290]; /* 0x290 */ + psw_t return_mcck_psw; /* 0x290 */ + __u8 pad8[0xc00-0x2a0]; /* 0x2a0 */ /* System info area */ __u64 save_area[16]; /* 0xc00 */ __u8 pad9[0xd40-0xc80]; /* 0xc80 */ diff --git a/include/asm-s390/page.h b/include/asm-s390/page.h index 2be287b9df8..2430c561e02 100644 --- a/include/asm-s390/page.h +++ b/include/asm-s390/page.h @@ -111,20 +111,6 @@ static inline void copy_page(void *to, void *from) #define alloc_zeroed_user_highpage(vma, vaddr) alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO, vma, vaddr) #define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE -/* Pure 2^n version of get_order */ -extern __inline__ int get_order(unsigned long size) -{ - int order; - - size = (size-1) >> (PAGE_SHIFT-1); - order = -1; - do { - size >>= 1; - order++; - } while (size); - return order; -} - /* * These are used to make use of C type-checking.. */ @@ -207,4 +193,6 @@ page_get_storage_key(unsigned long addr) #endif /* __KERNEL__ */ +#include <asm-generic/page.h> + #endif /* _S390_PAGE_H */ diff --git a/include/asm-s390/spinlock.h b/include/asm-s390/spinlock.h index 8ff10300f7e..321b23bba1e 100644 --- a/include/asm-s390/spinlock.h +++ b/include/asm-s390/spinlock.h @@ -47,7 +47,7 @@ extern int _raw_spin_trylock_retry(spinlock_t *lp, unsigned int pc); static inline void _raw_spin_lock(spinlock_t *lp) { - unsigned long pc = (unsigned long) __builtin_return_address(0); + unsigned long pc = 1 | (unsigned long) __builtin_return_address(0); if (unlikely(_raw_compare_and_swap(&lp->lock, 0, pc) != 0)) _raw_spin_lock_wait(lp, pc); @@ -55,7 +55,7 @@ static inline void _raw_spin_lock(spinlock_t *lp) static inline int _raw_spin_trylock(spinlock_t *lp) { - unsigned long pc = (unsigned long) __builtin_return_address(0); + unsigned long pc = 1 | (unsigned long) __builtin_return_address(0); if (likely(_raw_compare_and_swap(&lp->lock, 0, pc) == 0)) return 1; diff --git a/include/asm-s390/types.h b/include/asm-s390/types.h index 3fefd61416a..d0be3e47701 100644 --- a/include/asm-s390/types.h +++ b/include/asm-s390/types.h @@ -79,8 +79,6 @@ typedef unsigned long u64; typedef u32 dma_addr_t; -typedef unsigned int kmem_bufctl_t; - #ifndef __s390x__ typedef union { unsigned long long pair; diff --git a/include/asm-s390/uaccess.h b/include/asm-s390/uaccess.h index 3e3bfe6a8fa..38a5cf8ab9e 100644 --- a/include/asm-s390/uaccess.h +++ b/include/asm-s390/uaccess.h @@ -65,13 +65,6 @@ #define access_ok(type,addr,size) __access_ok(addr,size) -/* this function will go away soon - use access_ok() instead */ -extern inline int __deprecated verify_area(int type, const void __user *addr, - unsigned long size) -{ - return access_ok(type, addr, size) ? 0 : -EFAULT; -} - /* * The exception table consists of pairs of addresses: the first is the * address of an instruction that is allowed to fault, and the second is |