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 35 extern long psw32_user_bits; 36 37 #define COMPAT_USER_HZ 100 38 39 typedef u32 compat_size_t; 40 typedef s32 compat_ssize_t; 41 typedef s32 compat_time_t; 42 typedef s32 compat_clock_t; 43 typedef s32 compat_pid_t; 44 typedef u16 __compat_uid_t; 45 typedef u16 __compat_gid_t; 46 typedef u32 __compat_uid32_t; 47 typedef u32 __compat_gid32_t; 48 typedef u16 compat_mode_t; 49 typedef u32 compat_ino_t; 50 typedef u16 compat_dev_t; 51 typedef s32 compat_off_t; 52 typedef s64 compat_loff_t; 53 typedef u16 compat_nlink_t; 54 typedef u16 compat_ipc_pid_t; 55 typedef s32 compat_daddr_t; 56 typedef u32 compat_caddr_t; 57 typedef __kernel_fsid_t compat_fsid_t; 58 typedef s32 compat_key_t; 59 typedef s32 compat_timer_t; 60 61 typedef s32 compat_int_t; 62 typedef s32 compat_long_t; 63 typedef s64 compat_s64; 64 typedef u32 compat_uint_t; 65 typedef u32 compat_ulong_t; 66 typedef u64 compat_u64; 67 68 struct compat_timespec { 69 compat_time_t tv_sec; 70 s32 tv_nsec; 71 }; 72 73 struct compat_timeval { 74 compat_time_t tv_sec; 75 s32 tv_usec; 76 }; 77 78 struct compat_stat { 79 compat_dev_t st_dev; 80 u16 __pad1; 81 compat_ino_t st_ino; 82 compat_mode_t st_mode; 83 compat_nlink_t st_nlink; 84 __compat_uid_t st_uid; 85 __compat_gid_t st_gid; 86 compat_dev_t st_rdev; 87 u16 __pad2; 88 u32 st_size; 89 u32 st_blksize; 90 u32 st_blocks; 91 u32 st_atime; 92 u32 st_atime_nsec; 93 u32 st_mtime; 94 u32 st_mtime_nsec; 95 u32 st_ctime; 96 u32 st_ctime_nsec; 97 u32 __unused4; 98 u32 __unused5; 99 }; 100 101 struct compat_flock { 102 short l_type; 103 short l_whence; 104 compat_off_t l_start; 105 compat_off_t l_len; 106 compat_pid_t l_pid; 107 }; 108 109 #define F_GETLK64 12 110 #define F_SETLK64 13 111 #define F_SETLKW64 14 112 113 struct compat_flock64 { 114 short l_type; 115 short l_whence; 116 compat_loff_t l_start; 117 compat_loff_t l_len; 118 compat_pid_t l_pid; 119 }; 120 121 struct compat_statfs { 122 s32 f_type; 123 s32 f_bsize; 124 s32 f_blocks; 125 s32 f_bfree; 126 s32 f_bavail; 127 s32 f_files; 128 s32 f_ffree; 129 compat_fsid_t f_fsid; 130 s32 f_namelen; 131 s32 f_frsize; 132 s32 f_spare[6]; 133 }; 134 135 #define COMPAT_RLIM_OLD_INFINITY 0x7fffffff 136 #define COMPAT_RLIM_INFINITY 0xffffffff 137 138 typedef u32 compat_old_sigset_t; /* at least 32 bits */ 139 140 #define _COMPAT_NSIG 64 141 #define _COMPAT_NSIG_BPW 32 142 143 typedef u32 compat_sigset_word; 144 145 #define COMPAT_OFF_T_MAX 0x7fffffff 146 #define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL 147 148 /* 149 * A pointer passed in from user mode. This should not 150 * be used for syscall parameters, just declare them 151 * as pointers because the syscall entry code will have 152 * appropriately converted them already. 153 */ 154 typedef u32 compat_uptr_t; 155 156 static inline void __user *compat_ptr(compat_uptr_t uptr) 157 { 158 return (void __user *)(unsigned long)(uptr & 0x7fffffffUL); 159 } 160 161 static inline compat_uptr_t ptr_to_compat(void __user *uptr) 162 { 163 return (u32)(unsigned long)uptr; 164 } 165 166 static inline void __user *compat_alloc_user_space(long len) 167 { 168 unsigned long stack; 169 170 stack = KSTK_ESP(current); 171 if (test_thread_flag(TIF_31BIT)) 172 stack &= 0x7fffffffUL; 173 return (void __user *) (stack - len); 174 } 175 176 struct compat_ipc64_perm { 177 compat_key_t key; 178 __compat_uid32_t uid; 179 __compat_gid32_t gid; 180 __compat_uid32_t cuid; 181 __compat_gid32_t cgid; 182 compat_mode_t mode; 183 unsigned short __pad1; 184 unsigned short seq; 185 unsigned short __pad2; 186 unsigned int __unused1; 187 unsigned int __unused2; 188 }; 189 190 struct compat_semid64_ds { 191 struct compat_ipc64_perm sem_perm; 192 compat_time_t sem_otime; 193 compat_ulong_t __pad1; 194 compat_time_t sem_ctime; 195 compat_ulong_t __pad2; 196 compat_ulong_t sem_nsems; 197 compat_ulong_t __unused1; 198 compat_ulong_t __unused2; 199 }; 200 201 struct compat_msqid64_ds { 202 struct compat_ipc64_perm msg_perm; 203 compat_time_t msg_stime; 204 compat_ulong_t __pad1; 205 compat_time_t msg_rtime; 206 compat_ulong_t __pad2; 207 compat_time_t msg_ctime; 208 compat_ulong_t __pad3; 209 compat_ulong_t msg_cbytes; 210 compat_ulong_t msg_qnum; 211 compat_ulong_t msg_qbytes; 212 compat_pid_t msg_lspid; 213 compat_pid_t msg_lrpid; 214 compat_ulong_t __unused1; 215 compat_ulong_t __unused2; 216 }; 217 218 struct compat_shmid64_ds { 219 struct compat_ipc64_perm shm_perm; 220 compat_size_t shm_segsz; 221 compat_time_t shm_atime; 222 compat_ulong_t __pad1; 223 compat_time_t shm_dtime; 224 compat_ulong_t __pad2; 225 compat_time_t shm_ctime; 226 compat_ulong_t __pad3; 227 compat_pid_t shm_cpid; 228 compat_pid_t shm_lpid; 229 compat_ulong_t shm_nattch; 230 compat_ulong_t __unused1; 231 compat_ulong_t __unused2; 232 }; 233 #endif /* _ASM_S390X_COMPAT_H */ 234