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 #ifdef 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 169