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