include/asm-generic/compat.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ASM_GENERIC_COMPAT_H
   3 #define __ASM_GENERIC_COMPAT_H
   4
   5 #ifndef COMPAT_USER_HZ
   6 #define COMPAT_USER_HZ          100
   7 #endif
   8
   9 #ifndef COMPAT_RLIM_INFINITY
  10 #define COMPAT_RLIM_INFINITY    0xffffffff
  11 #endif
  12
  13 #ifndef COMPAT_OFF_T_MAX
  14 #define COMPAT_OFF_T_MAX        0x7fffffff
  15 #endif
  16
  17 #ifndef compat_arg_u64
  18 #ifndef CONFIG_CPU_BIG_ENDIAN
  19 #define compat_arg_u64(name)            u32  name##_lo, u32  name##_hi
  20 #define compat_arg_u64_dual(name)       u32, name##_lo, u32, name##_hi
  21 #else
  22 #define compat_arg_u64(name)            u32  name##_hi, u32  name##_lo
  23 #define compat_arg_u64_dual(name)       u32, name##_hi, u32, name##_lo
  24 #endif
  25 #define compat_arg_u64_glue(name)       (((u64)name##_lo & 0xffffffffUL) | \
  26                                          ((u64)name##_hi << 32))
  27 #endif /* compat_arg_u64 */
  28
  29 /* These types are common across all compat ABIs */
  30 typedef u32 compat_size_t;
  31 typedef s32 compat_ssize_t;
  32 typedef s32 compat_clock_t;
  33 typedef s32 compat_pid_t;
  34 typedef u32 compat_ino_t;
  35 typedef s32 compat_off_t;
  36 typedef s64 compat_loff_t;
  37 typedef s32 compat_daddr_t;
  38 typedef s32 compat_timer_t;
  39 typedef s32 compat_key_t;
  40 typedef s16 compat_short_t;
  41 typedef s32 compat_int_t;
  42 typedef s32 compat_long_t;
  43 typedef u16 compat_ushort_t;
  44 typedef u32 compat_uint_t;
  45 typedef u32 compat_ulong_t;
  46 typedef u32 compat_uptr_t;
  47 typedef u32 compat_caddr_t;
  48 typedef u32 compat_aio_context_t;
  49 typedef u32 compat_old_sigset_t;
  50
  51 #ifndef __compat_uid_t
  52 typedef u32 __compat_uid_t;
  53 typedef u32 __compat_gid_t;
  54 #endif
  55
  56 #ifndef __compat_uid32_t
  57 typedef u32 __compat_uid32_t;
  58 typedef u32 __compat_gid32_t;
  59 #endif
  60
  61 #ifndef compat_mode_t
  62 typedef u32 compat_mode_t;
  63 #endif
  64
  65 #ifdef CONFIG_COMPAT_FOR_U64_ALIGNMENT
  66 typedef s64 __attribute__((aligned(4))) compat_s64;
  67 typedef u64 __attribute__((aligned(4))) compat_u64;
  68 #else
  69 typedef s64 compat_s64;
  70 typedef u64 compat_u64;
  71 #endif
  72
  73 #ifndef _COMPAT_NSIG
  74 typedef u32 compat_sigset_word;
  75 #define _COMPAT_NSIG _NSIG
  76 #define _COMPAT_NSIG_BPW 32
  77 #endif
  78
  79 #ifndef compat_dev_t
  80 typedef u32 compat_dev_t;
  81 #endif
  82
  83 #ifndef compat_ipc_pid_t
  84 typedef s32 compat_ipc_pid_t;
  85 #endif
  86
  87 #ifndef compat_fsid_t
  88 typedef __kernel_fsid_t compat_fsid_t;
  89 #endif
  90
  91 #ifndef compat_statfs
  92 struct compat_statfs {
  93         compat_int_t    f_type;
  94         compat_int_t    f_bsize;
  95         compat_int_t    f_blocks;
  96         compat_int_t    f_bfree;
  97         compat_int_t    f_bavail;
  98         compat_int_t    f_files;
  99         compat_int_t    f_ffree;
 100         compat_fsid_t   f_fsid;
 101         compat_int_t    f_namelen;
 102         compat_int_t    f_frsize;
 103         compat_int_t    f_flags;
 104         compat_int_t    f_spare[4];
 105 };
 106 #endif
 107
 108 #ifndef compat_ipc64_perm
 109 struct compat_ipc64_perm {
 110         compat_key_t key;
 111         __compat_uid32_t uid;
 112         __compat_gid32_t gid;
 113         __compat_uid32_t cuid;
 114         __compat_gid32_t cgid;
 115         compat_mode_t   mode;
 116         unsigned char   __pad1[4 - sizeof(compat_mode_t)];
 117         compat_ushort_t seq;
 118         compat_ushort_t __pad2;
 119         compat_ulong_t  unused1;
 120         compat_ulong_t  unused2;
 121 };
 122
 123 struct compat_semid64_ds {
 124         struct compat_ipc64_perm sem_perm;
 125         compat_ulong_t sem_otime;
 126         compat_ulong_t sem_otime_high;
 127         compat_ulong_t sem_ctime;
 128         compat_ulong_t sem_ctime_high;
 129         compat_ulong_t sem_nsems;
 130         compat_ulong_t __unused3;
 131         compat_ulong_t __unused4;
 132 };
 133
 134 struct compat_msqid64_ds {
 135         struct compat_ipc64_perm msg_perm;
 136         compat_ulong_t msg_stime;
 137         compat_ulong_t msg_stime_high;
 138         compat_ulong_t msg_rtime;
 139         compat_ulong_t msg_rtime_high;
 140         compat_ulong_t msg_ctime;
 141         compat_ulong_t msg_ctime_high;
 142         compat_ulong_t msg_cbytes;
 143         compat_ulong_t msg_qnum;
 144         compat_ulong_t msg_qbytes;
 145         compat_pid_t   msg_lspid;
 146         compat_pid_t   msg_lrpid;
 147         compat_ulong_t __unused4;
 148         compat_ulong_t __unused5;
 149 };
 150
 151 struct compat_shmid64_ds {
 152         struct compat_ipc64_perm shm_perm;
 153         compat_size_t  shm_segsz;
 154         compat_ulong_t shm_atime;
 155         compat_ulong_t shm_atime_high;
 156         compat_ulong_t shm_dtime;
 157         compat_ulong_t shm_dtime_high;
 158         compat_ulong_t shm_ctime;
 159         compat_ulong_t shm_ctime_high;
 160         compat_pid_t   shm_cpid;
 161         compat_pid_t   shm_lpid;
 162         compat_ulong_t shm_nattch;
 163         compat_ulong_t __unused4;
 164         compat_ulong_t __unused5;
 165 };
 166 #endif
 167
 168 #endif