1#ifndef _ASM_S390X_COMPAT_H 2#define _ASM_S390X_COMPAT_H 3/* 4 * Architecture specific compatibility types 5 */ 6#include <linux/types.h> 7#include <linux/sched.h> 8 9#define PSW32_MASK_PER 0x40000000UL 10#define PSW32_MASK_DAT 0x04000000UL 11#define PSW32_MASK_IO 0x02000000UL 12#define PSW32_MASK_EXT 0x01000000UL 13#define PSW32_MASK_KEY 0x00F00000UL 14#define PSW32_MASK_MCHECK 0x00040000UL 15#define PSW32_MASK_WAIT 0x00020000UL 16#define PSW32_MASK_PSTATE 0x00010000UL 17#define PSW32_MASK_ASC 0x0000C000UL 18#define PSW32_MASK_CC 0x00003000UL 19#define PSW32_MASK_PM 0x00000f00UL 20 21#define PSW32_ADDR_AMODE31 0x80000000UL 22#define PSW32_ADDR_INSN 0x7FFFFFFFUL 23 24#define PSW32_BASE_BITS 0x00080000UL 25 26#define PSW32_ASC_PRIMARY 0x00000000UL 27#define PSW32_ASC_ACCREG 0x00004000UL 28#define PSW32_ASC_SECONDARY 0x00008000UL 29#define PSW32_ASC_HOME 0x0000C000UL 30 31#define PSW32_MASK_MERGE(CURRENT,NEW) \ 32 (((CURRENT) & ~(PSW32_MASK_CC|PSW32_MASK_PM)) | \ 33 ((NEW) & (PSW32_MASK_CC|PSW32_MASK_PM))) 34 35extern long psw32_user_bits; 36 37#define COMPAT_USER_HZ 100 38 39typedef u32 compat_size_t; 40typedef s32 compat_ssize_t; 41typedef s32 compat_time_t; 42typedef s32 compat_clock_t; 43typedef s32 compat_pid_t; 44typedef u16 __compat_uid_t; 45typedef u16 __compat_gid_t; 46typedef u32 __compat_uid32_t; 47typedef u32 __compat_gid32_t; 48typedef u16 compat_mode_t; 49typedef u32 compat_ino_t; 50typedef u16 compat_dev_t; 51typedef s32 compat_off_t; 52typedef s64 compat_loff_t; 53typedef u16 compat_nlink_t; 54typedef u16 compat_ipc_pid_t; 55typedef s32 compat_daddr_t; 56typedef u32 compat_caddr_t; 57typedef __kernel_fsid_t compat_fsid_t; 58typedef s32 compat_key_t; 59typedef s32 compat_timer_t; 60 61typedef s32 compat_int_t; 62typedef s32 compat_long_t; 63typedef u32 compat_uint_t; 64typedef u32 compat_ulong_t; 65 66struct compat_timespec { 67 compat_time_t tv_sec; 68 s32 tv_nsec; 69}; 70 71struct compat_timeval { 72 compat_time_t tv_sec; 73 s32 tv_usec; 74}; 75 76struct compat_stat { 77 compat_dev_t st_dev; 78 u16 __pad1; 79 compat_ino_t st_ino; 80 compat_mode_t st_mode; 81 compat_nlink_t st_nlink; 82 __compat_uid_t st_uid; 83 __compat_gid_t st_gid; 84 compat_dev_t st_rdev; 85 u16 __pad2; 86 u32 st_size; 87 u32 st_blksize; 88 u32 st_blocks; 89 u32 st_atime; 90 u32 st_atime_nsec; 91 u32 st_mtime; 92 u32 st_mtime_nsec; 93 u32 st_ctime; 94 u32 st_ctime_nsec; 95 u32 __unused4; 96 u32 __unused5; 97}; 98 99struct compat_flock { 100 short l_type; 101 short l_whence; 102 compat_off_t l_start; 103 compat_off_t l_len; 104 compat_pid_t l_pid; 105}; 106 107#define F_GETLK64 12 108#define F_SETLK64 13 109#define F_SETLKW64 14 110 111struct compat_flock64 { 112 short l_type; 113 short l_whence; 114 compat_loff_t l_start; 115 compat_loff_t l_len; 116 compat_pid_t l_pid; 117}; 118 119struct compat_statfs { 120 s32 f_type; 121 s32 f_bsize; 122 s32 f_blocks; 123 s32 f_bfree; 124 s32 f_bavail; 125 s32 f_files; 126 s32 f_ffree; 127 compat_fsid_t f_fsid; 128 s32 f_namelen; 129 s32 f_frsize; 130 s32 f_spare[6]; 131}; 132 133#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff 134#define COMPAT_RLIM_INFINITY 0xffffffff 135 136typedef u32 compat_old_sigset_t; /* at least 32 bits */ 137 138#define _COMPAT_NSIG 64 139#define _COMPAT_NSIG_BPW 32 140 141typedef u32 compat_sigset_word; 142 143#define COMPAT_OFF_T_MAX 0x7fffffff 144#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL 145 146/* 147 * A pointer passed in from user mode. This should not 148 * be used for syscall parameters, just declare them 149 * as pointers because the syscall entry code will have 150 * appropriately comverted them already. 151 */ 152typedef u32 compat_uptr_t; 153 154static inline void __user *compat_ptr(compat_uptr_t uptr) 155{ 156 return (void __user *)(unsigned long)(uptr & 0x7fffffffUL); 157} 158 159static inline compat_uptr_t ptr_to_compat(void __user *uptr) 160{ 161 return (u32)(unsigned long)uptr; 162} 163 164static inline void __user *compat_alloc_user_space(long len) 165{ 166 unsigned long stack; 167 168 stack = KSTK_ESP(current); 169 if (test_thread_flag(TIF_31BIT)) 170 stack &= 0x7fffffffUL; 171 return (void __user *) (stack - len); 172} 173 174struct compat_ipc64_perm { 175 compat_key_t key; 176 __compat_uid32_t uid; 177 __compat_gid32_t gid; 178 __compat_uid32_t cuid; 179 __compat_gid32_t cgid; 180 compat_mode_t mode; 181 unsigned short __pad1; 182 unsigned short seq; 183 unsigned short __pad2; 184 unsigned int __unused1; 185 unsigned int __unused2; 186}; 187 188struct compat_semid64_ds { 189 struct compat_ipc64_perm sem_perm; 190 compat_time_t sem_otime; 191 compat_ulong_t __pad1; 192 compat_time_t sem_ctime; 193 compat_ulong_t __pad2; 194 compat_ulong_t sem_nsems; 195 compat_ulong_t __unused1; 196 compat_ulong_t __unused2; 197}; 198 199struct compat_msqid64_ds { 200 struct compat_ipc64_perm msg_perm; 201 compat_time_t msg_stime; 202 compat_ulong_t __pad1; 203 compat_time_t msg_rtime; 204 compat_ulong_t __pad2; 205 compat_time_t msg_ctime; 206 compat_ulong_t __pad3; 207 compat_ulong_t msg_cbytes; 208 compat_ulong_t msg_qnum; 209 compat_ulong_t msg_qbytes; 210 compat_pid_t msg_lspid; 211 compat_pid_t msg_lrpid; 212 compat_ulong_t __unused1; 213 compat_ulong_t __unused2; 214}; 215 216struct compat_shmid64_ds { 217 struct compat_ipc64_perm shm_perm; 218 compat_size_t shm_segsz; 219 compat_time_t shm_atime; 220 compat_ulong_t __pad1; 221 compat_time_t shm_dtime; 222 compat_ulong_t __pad2; 223 compat_time_t shm_ctime; 224 compat_ulong_t __pad3; 225 compat_pid_t shm_cpid; 226 compat_pid_t shm_lpid; 227 compat_ulong_t shm_nattch; 228 compat_ulong_t __unused1; 229 compat_ulong_t __unused2; 230}; 231#endif /* _ASM_S390X_COMPAT_H */ 232