1c6557e7fSMartin Schwidefsky #ifndef _ASM_S390X_COMPAT_H 2c6557e7fSMartin Schwidefsky #define _ASM_S390X_COMPAT_H 3c6557e7fSMartin Schwidefsky /* 4c6557e7fSMartin Schwidefsky * Architecture specific compatibility types 5c6557e7fSMartin Schwidefsky */ 6c6557e7fSMartin Schwidefsky #include <linux/types.h> 7c6557e7fSMartin Schwidefsky #include <linux/sched.h> 87757591aSHeiko Carstens #include <linux/thread_info.h> 9c6557e7fSMartin Schwidefsky 10c6557e7fSMartin Schwidefsky #define PSW32_MASK_PER 0x40000000UL 11c6557e7fSMartin Schwidefsky #define PSW32_MASK_DAT 0x04000000UL 12c6557e7fSMartin Schwidefsky #define PSW32_MASK_IO 0x02000000UL 13c6557e7fSMartin Schwidefsky #define PSW32_MASK_EXT 0x01000000UL 14c6557e7fSMartin Schwidefsky #define PSW32_MASK_KEY 0x00F00000UL 15b50511e4SMartin Schwidefsky #define PSW32_MASK_BASE 0x00080000UL /* Always one */ 16c6557e7fSMartin Schwidefsky #define PSW32_MASK_MCHECK 0x00040000UL 17c6557e7fSMartin Schwidefsky #define PSW32_MASK_WAIT 0x00020000UL 18c6557e7fSMartin Schwidefsky #define PSW32_MASK_PSTATE 0x00010000UL 19c6557e7fSMartin Schwidefsky #define PSW32_MASK_ASC 0x0000C000UL 20c6557e7fSMartin Schwidefsky #define PSW32_MASK_CC 0x00003000UL 21c6557e7fSMartin Schwidefsky #define PSW32_MASK_PM 0x00000f00UL 22c6557e7fSMartin Schwidefsky 23fa968ee2SMartin Schwidefsky #define PSW32_MASK_USER 0x0000FF00UL 24b50511e4SMartin Schwidefsky 25b50511e4SMartin Schwidefsky #define PSW32_ADDR_AMODE 0x80000000UL 26c6557e7fSMartin Schwidefsky #define PSW32_ADDR_INSN 0x7FFFFFFFUL 27c6557e7fSMartin Schwidefsky 28b50511e4SMartin Schwidefsky #define PSW32_DEFAULT_KEY (((u32) PAGE_DEFAULT_ACC) << 20) 29c6557e7fSMartin Schwidefsky 30c6557e7fSMartin Schwidefsky #define PSW32_ASC_PRIMARY 0x00000000UL 31c6557e7fSMartin Schwidefsky #define PSW32_ASC_ACCREG 0x00004000UL 32c6557e7fSMartin Schwidefsky #define PSW32_ASC_SECONDARY 0x00008000UL 33c6557e7fSMartin Schwidefsky #define PSW32_ASC_HOME 0x0000C000UL 34c6557e7fSMartin Schwidefsky 35b50511e4SMartin Schwidefsky extern u32 psw32_user_bits; 36c6557e7fSMartin Schwidefsky 37c6557e7fSMartin Schwidefsky #define COMPAT_USER_HZ 100 38e28cbf22SChristoph Hellwig #define COMPAT_UTS_MACHINE "s390\0\0\0\0" 39c6557e7fSMartin Schwidefsky 40c6557e7fSMartin Schwidefsky typedef u32 compat_size_t; 41c6557e7fSMartin Schwidefsky typedef s32 compat_ssize_t; 42c6557e7fSMartin Schwidefsky typedef s32 compat_time_t; 43c6557e7fSMartin Schwidefsky typedef s32 compat_clock_t; 44c6557e7fSMartin Schwidefsky typedef s32 compat_pid_t; 45c6557e7fSMartin Schwidefsky typedef u16 __compat_uid_t; 46c6557e7fSMartin Schwidefsky typedef u16 __compat_gid_t; 47c6557e7fSMartin Schwidefsky typedef u32 __compat_uid32_t; 48c6557e7fSMartin Schwidefsky typedef u32 __compat_gid32_t; 49c6557e7fSMartin Schwidefsky typedef u16 compat_mode_t; 50c6557e7fSMartin Schwidefsky typedef u32 compat_ino_t; 51c6557e7fSMartin Schwidefsky typedef u16 compat_dev_t; 52c6557e7fSMartin Schwidefsky typedef s32 compat_off_t; 53c6557e7fSMartin Schwidefsky typedef s64 compat_loff_t; 54c6557e7fSMartin Schwidefsky typedef u16 compat_nlink_t; 55c6557e7fSMartin Schwidefsky typedef u16 compat_ipc_pid_t; 56c6557e7fSMartin Schwidefsky typedef s32 compat_daddr_t; 57c6557e7fSMartin Schwidefsky typedef u32 compat_caddr_t; 58c6557e7fSMartin Schwidefsky typedef __kernel_fsid_t compat_fsid_t; 59c6557e7fSMartin Schwidefsky typedef s32 compat_key_t; 60c6557e7fSMartin Schwidefsky typedef s32 compat_timer_t; 61c6557e7fSMartin Schwidefsky 62c6557e7fSMartin Schwidefsky typedef s32 compat_int_t; 63c6557e7fSMartin Schwidefsky typedef s32 compat_long_t; 64c6557e7fSMartin Schwidefsky typedef s64 compat_s64; 65c6557e7fSMartin Schwidefsky typedef u32 compat_uint_t; 66c6557e7fSMartin Schwidefsky typedef u32 compat_ulong_t; 67c6557e7fSMartin Schwidefsky typedef u64 compat_u64; 68751f409dSDenys Vlasenko typedef u32 compat_uptr_t; 69c6557e7fSMartin Schwidefsky 70c6557e7fSMartin Schwidefsky struct compat_timespec { 71c6557e7fSMartin Schwidefsky compat_time_t tv_sec; 72c6557e7fSMartin Schwidefsky s32 tv_nsec; 73c6557e7fSMartin Schwidefsky }; 74c6557e7fSMartin Schwidefsky 75c6557e7fSMartin Schwidefsky struct compat_timeval { 76c6557e7fSMartin Schwidefsky compat_time_t tv_sec; 77c6557e7fSMartin Schwidefsky s32 tv_usec; 78c6557e7fSMartin Schwidefsky }; 79c6557e7fSMartin Schwidefsky 80c6557e7fSMartin Schwidefsky struct compat_stat { 81c6557e7fSMartin Schwidefsky compat_dev_t st_dev; 82c6557e7fSMartin Schwidefsky u16 __pad1; 83c6557e7fSMartin Schwidefsky compat_ino_t st_ino; 84c6557e7fSMartin Schwidefsky compat_mode_t st_mode; 85c6557e7fSMartin Schwidefsky compat_nlink_t st_nlink; 86c6557e7fSMartin Schwidefsky __compat_uid_t st_uid; 87c6557e7fSMartin Schwidefsky __compat_gid_t st_gid; 88c6557e7fSMartin Schwidefsky compat_dev_t st_rdev; 89c6557e7fSMartin Schwidefsky u16 __pad2; 90c6557e7fSMartin Schwidefsky u32 st_size; 91c6557e7fSMartin Schwidefsky u32 st_blksize; 92c6557e7fSMartin Schwidefsky u32 st_blocks; 93c6557e7fSMartin Schwidefsky u32 st_atime; 94c6557e7fSMartin Schwidefsky u32 st_atime_nsec; 95c6557e7fSMartin Schwidefsky u32 st_mtime; 96c6557e7fSMartin Schwidefsky u32 st_mtime_nsec; 97c6557e7fSMartin Schwidefsky u32 st_ctime; 98c6557e7fSMartin Schwidefsky u32 st_ctime_nsec; 99c6557e7fSMartin Schwidefsky u32 __unused4; 100c6557e7fSMartin Schwidefsky u32 __unused5; 101c6557e7fSMartin Schwidefsky }; 102c6557e7fSMartin Schwidefsky 103c6557e7fSMartin Schwidefsky struct compat_flock { 104c6557e7fSMartin Schwidefsky short l_type; 105c6557e7fSMartin Schwidefsky short l_whence; 106c6557e7fSMartin Schwidefsky compat_off_t l_start; 107c6557e7fSMartin Schwidefsky compat_off_t l_len; 108c6557e7fSMartin Schwidefsky compat_pid_t l_pid; 109c6557e7fSMartin Schwidefsky }; 110c6557e7fSMartin Schwidefsky 111c6557e7fSMartin Schwidefsky #define F_GETLK64 12 112c6557e7fSMartin Schwidefsky #define F_SETLK64 13 113c6557e7fSMartin Schwidefsky #define F_SETLKW64 14 114c6557e7fSMartin Schwidefsky 115c6557e7fSMartin Schwidefsky struct compat_flock64 { 116c6557e7fSMartin Schwidefsky short l_type; 117c6557e7fSMartin Schwidefsky short l_whence; 118c6557e7fSMartin Schwidefsky compat_loff_t l_start; 119c6557e7fSMartin Schwidefsky compat_loff_t l_len; 120c6557e7fSMartin Schwidefsky compat_pid_t l_pid; 121c6557e7fSMartin Schwidefsky }; 122c6557e7fSMartin Schwidefsky 123c6557e7fSMartin Schwidefsky struct compat_statfs { 124c6557e7fSMartin Schwidefsky s32 f_type; 125c6557e7fSMartin Schwidefsky s32 f_bsize; 126c6557e7fSMartin Schwidefsky s32 f_blocks; 127c6557e7fSMartin Schwidefsky s32 f_bfree; 128c6557e7fSMartin Schwidefsky s32 f_bavail; 129c6557e7fSMartin Schwidefsky s32 f_files; 130c6557e7fSMartin Schwidefsky s32 f_ffree; 131c6557e7fSMartin Schwidefsky compat_fsid_t f_fsid; 132c6557e7fSMartin Schwidefsky s32 f_namelen; 133c6557e7fSMartin Schwidefsky s32 f_frsize; 1341448c721SEric W. Biederman s32 f_flags; 1351448c721SEric W. Biederman s32 f_spare[5]; 136c6557e7fSMartin Schwidefsky }; 137c6557e7fSMartin Schwidefsky 138c6557e7fSMartin Schwidefsky #define COMPAT_RLIM_OLD_INFINITY 0x7fffffff 139c6557e7fSMartin Schwidefsky #define COMPAT_RLIM_INFINITY 0xffffffff 140c6557e7fSMartin Schwidefsky 141c6557e7fSMartin Schwidefsky typedef u32 compat_old_sigset_t; /* at least 32 bits */ 142c6557e7fSMartin Schwidefsky 143c6557e7fSMartin Schwidefsky #define _COMPAT_NSIG 64 144c6557e7fSMartin Schwidefsky #define _COMPAT_NSIG_BPW 32 145c6557e7fSMartin Schwidefsky 146c6557e7fSMartin Schwidefsky typedef u32 compat_sigset_word; 147c6557e7fSMartin Schwidefsky 148751f409dSDenys Vlasenko typedef union compat_sigval { 149751f409dSDenys Vlasenko compat_int_t sival_int; 150751f409dSDenys Vlasenko compat_uptr_t sival_ptr; 151751f409dSDenys Vlasenko } compat_sigval_t; 152751f409dSDenys Vlasenko 153751f409dSDenys Vlasenko typedef struct compat_siginfo { 154751f409dSDenys Vlasenko int si_signo; 155751f409dSDenys Vlasenko int si_errno; 156751f409dSDenys Vlasenko int si_code; 157751f409dSDenys Vlasenko 158751f409dSDenys Vlasenko union { 159751f409dSDenys Vlasenko int _pad[128/sizeof(int) - 3]; 160751f409dSDenys Vlasenko 161751f409dSDenys Vlasenko /* kill() */ 162751f409dSDenys Vlasenko struct { 163751f409dSDenys Vlasenko pid_t _pid; /* sender's pid */ 164751f409dSDenys Vlasenko uid_t _uid; /* sender's uid */ 165751f409dSDenys Vlasenko } _kill; 166751f409dSDenys Vlasenko 167751f409dSDenys Vlasenko /* POSIX.1b timers */ 168751f409dSDenys Vlasenko struct { 169751f409dSDenys Vlasenko compat_timer_t _tid; /* timer id */ 170751f409dSDenys Vlasenko int _overrun; /* overrun count */ 171751f409dSDenys Vlasenko compat_sigval_t _sigval; /* same as below */ 172751f409dSDenys Vlasenko int _sys_private; /* not to be passed to user */ 173751f409dSDenys Vlasenko } _timer; 174751f409dSDenys Vlasenko 175751f409dSDenys Vlasenko /* POSIX.1b signals */ 176751f409dSDenys Vlasenko struct { 177751f409dSDenys Vlasenko pid_t _pid; /* sender's pid */ 178751f409dSDenys Vlasenko uid_t _uid; /* sender's uid */ 179751f409dSDenys Vlasenko compat_sigval_t _sigval; 180751f409dSDenys Vlasenko } _rt; 181751f409dSDenys Vlasenko 182751f409dSDenys Vlasenko /* SIGCHLD */ 183751f409dSDenys Vlasenko struct { 184751f409dSDenys Vlasenko pid_t _pid; /* which child */ 185751f409dSDenys Vlasenko uid_t _uid; /* sender's uid */ 186751f409dSDenys Vlasenko int _status;/* exit code */ 187751f409dSDenys Vlasenko compat_clock_t _utime; 188751f409dSDenys Vlasenko compat_clock_t _stime; 189751f409dSDenys Vlasenko } _sigchld; 190751f409dSDenys Vlasenko 191751f409dSDenys Vlasenko /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ 192751f409dSDenys Vlasenko struct { 193751f409dSDenys Vlasenko __u32 _addr; /* faulting insn/memory ref. - pointer */ 194751f409dSDenys Vlasenko } _sigfault; 195751f409dSDenys Vlasenko 196751f409dSDenys Vlasenko /* SIGPOLL */ 197751f409dSDenys Vlasenko struct { 198751f409dSDenys Vlasenko int _band; /* POLL_IN, POLL_OUT, POLL_MSG */ 199751f409dSDenys Vlasenko int _fd; 200751f409dSDenys Vlasenko } _sigpoll; 201751f409dSDenys Vlasenko } _sifields; 202751f409dSDenys Vlasenko } compat_siginfo_t; 203751f409dSDenys Vlasenko 204751f409dSDenys Vlasenko /* 205751f409dSDenys Vlasenko * How these fields are to be accessed. 206751f409dSDenys Vlasenko */ 207751f409dSDenys Vlasenko #define si_pid _sifields._kill._pid 208751f409dSDenys Vlasenko #define si_uid _sifields._kill._uid 209751f409dSDenys Vlasenko #define si_status _sifields._sigchld._status 210751f409dSDenys Vlasenko #define si_utime _sifields._sigchld._utime 211751f409dSDenys Vlasenko #define si_stime _sifields._sigchld._stime 212751f409dSDenys Vlasenko #define si_value _sifields._rt._sigval 213751f409dSDenys Vlasenko #define si_int _sifields._rt._sigval.sival_int 214751f409dSDenys Vlasenko #define si_ptr _sifields._rt._sigval.sival_ptr 215751f409dSDenys Vlasenko #define si_addr _sifields._sigfault._addr 216751f409dSDenys Vlasenko #define si_band _sifields._sigpoll._band 217751f409dSDenys Vlasenko #define si_fd _sifields._sigpoll._fd 218751f409dSDenys Vlasenko #define si_tid _sifields._timer._tid 219751f409dSDenys Vlasenko #define si_overrun _sifields._timer._overrun 220751f409dSDenys Vlasenko 221c6557e7fSMartin Schwidefsky #define COMPAT_OFF_T_MAX 0x7fffffff 222c6557e7fSMartin Schwidefsky #define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL 223c6557e7fSMartin Schwidefsky 224c6557e7fSMartin Schwidefsky /* 225c6557e7fSMartin Schwidefsky * A pointer passed in from user mode. This should not 226c6557e7fSMartin Schwidefsky * be used for syscall parameters, just declare them 227c6557e7fSMartin Schwidefsky * as pointers because the syscall entry code will have 228c6557e7fSMartin Schwidefsky * appropriately converted them already. 229c6557e7fSMartin Schwidefsky */ 230c6557e7fSMartin Schwidefsky 231c6557e7fSMartin Schwidefsky static inline void __user *compat_ptr(compat_uptr_t uptr) 232c6557e7fSMartin Schwidefsky { 233c6557e7fSMartin Schwidefsky return (void __user *)(unsigned long)(uptr & 0x7fffffffUL); 234c6557e7fSMartin Schwidefsky } 235c6557e7fSMartin Schwidefsky 236c6557e7fSMartin Schwidefsky static inline compat_uptr_t ptr_to_compat(void __user *uptr) 237c6557e7fSMartin Schwidefsky { 238c6557e7fSMartin Schwidefsky return (u32)(unsigned long)uptr; 239c6557e7fSMartin Schwidefsky } 240c6557e7fSMartin Schwidefsky 2417757591aSHeiko Carstens #ifdef CONFIG_COMPAT 2427757591aSHeiko Carstens 2437757591aSHeiko Carstens static inline int is_compat_task(void) 2447757591aSHeiko Carstens { 245a05c90f1SHeiko Carstens return is_32bit_task(); 2467757591aSHeiko Carstens } 2477757591aSHeiko Carstens 2487757591aSHeiko Carstens #endif 2497757591aSHeiko Carstens 250c41d68a5SH. Peter Anvin static inline void __user *arch_compat_alloc_user_space(long len) 251c6557e7fSMartin Schwidefsky { 252c6557e7fSMartin Schwidefsky unsigned long stack; 253c6557e7fSMartin Schwidefsky 254c6557e7fSMartin Schwidefsky stack = KSTK_ESP(current); 2557757591aSHeiko Carstens if (is_compat_task()) 256c6557e7fSMartin Schwidefsky stack &= 0x7fffffffUL; 257c6557e7fSMartin Schwidefsky return (void __user *) (stack - len); 258c6557e7fSMartin Schwidefsky } 259c6557e7fSMartin Schwidefsky 260c6557e7fSMartin Schwidefsky struct compat_ipc64_perm { 261c6557e7fSMartin Schwidefsky compat_key_t key; 262c6557e7fSMartin Schwidefsky __compat_uid32_t uid; 263c6557e7fSMartin Schwidefsky __compat_gid32_t gid; 264c6557e7fSMartin Schwidefsky __compat_uid32_t cuid; 265c6557e7fSMartin Schwidefsky __compat_gid32_t cgid; 266c6557e7fSMartin Schwidefsky compat_mode_t mode; 267c6557e7fSMartin Schwidefsky unsigned short __pad1; 268c6557e7fSMartin Schwidefsky unsigned short seq; 269c6557e7fSMartin Schwidefsky unsigned short __pad2; 270c6557e7fSMartin Schwidefsky unsigned int __unused1; 271c6557e7fSMartin Schwidefsky unsigned int __unused2; 272c6557e7fSMartin Schwidefsky }; 273c6557e7fSMartin Schwidefsky 274c6557e7fSMartin Schwidefsky struct compat_semid64_ds { 275c6557e7fSMartin Schwidefsky struct compat_ipc64_perm sem_perm; 276c6557e7fSMartin Schwidefsky compat_time_t sem_otime; 277c6557e7fSMartin Schwidefsky compat_ulong_t __pad1; 278c6557e7fSMartin Schwidefsky compat_time_t sem_ctime; 279c6557e7fSMartin Schwidefsky compat_ulong_t __pad2; 280c6557e7fSMartin Schwidefsky compat_ulong_t sem_nsems; 281c6557e7fSMartin Schwidefsky compat_ulong_t __unused1; 282c6557e7fSMartin Schwidefsky compat_ulong_t __unused2; 283c6557e7fSMartin Schwidefsky }; 284c6557e7fSMartin Schwidefsky 285c6557e7fSMartin Schwidefsky struct compat_msqid64_ds { 286c6557e7fSMartin Schwidefsky struct compat_ipc64_perm msg_perm; 287c6557e7fSMartin Schwidefsky compat_time_t msg_stime; 288c6557e7fSMartin Schwidefsky compat_ulong_t __pad1; 289c6557e7fSMartin Schwidefsky compat_time_t msg_rtime; 290c6557e7fSMartin Schwidefsky compat_ulong_t __pad2; 291c6557e7fSMartin Schwidefsky compat_time_t msg_ctime; 292c6557e7fSMartin Schwidefsky compat_ulong_t __pad3; 293c6557e7fSMartin Schwidefsky compat_ulong_t msg_cbytes; 294c6557e7fSMartin Schwidefsky compat_ulong_t msg_qnum; 295c6557e7fSMartin Schwidefsky compat_ulong_t msg_qbytes; 296c6557e7fSMartin Schwidefsky compat_pid_t msg_lspid; 297c6557e7fSMartin Schwidefsky compat_pid_t msg_lrpid; 298c6557e7fSMartin Schwidefsky compat_ulong_t __unused1; 299c6557e7fSMartin Schwidefsky compat_ulong_t __unused2; 300c6557e7fSMartin Schwidefsky }; 301c6557e7fSMartin Schwidefsky 302c6557e7fSMartin Schwidefsky struct compat_shmid64_ds { 303c6557e7fSMartin Schwidefsky struct compat_ipc64_perm shm_perm; 304c6557e7fSMartin Schwidefsky compat_size_t shm_segsz; 305c6557e7fSMartin Schwidefsky compat_time_t shm_atime; 306c6557e7fSMartin Schwidefsky compat_ulong_t __pad1; 307c6557e7fSMartin Schwidefsky compat_time_t shm_dtime; 308c6557e7fSMartin Schwidefsky compat_ulong_t __pad2; 309c6557e7fSMartin Schwidefsky compat_time_t shm_ctime; 310c6557e7fSMartin Schwidefsky compat_ulong_t __pad3; 311c6557e7fSMartin Schwidefsky compat_pid_t shm_cpid; 312c6557e7fSMartin Schwidefsky compat_pid_t shm_lpid; 313c6557e7fSMartin Schwidefsky compat_ulong_t shm_nattch; 314c6557e7fSMartin Schwidefsky compat_ulong_t __unused1; 315c6557e7fSMartin Schwidefsky compat_ulong_t __unused2; 316c6557e7fSMartin Schwidefsky }; 317c6557e7fSMartin Schwidefsky #endif /* _ASM_S390X_COMPAT_H */ 318