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 */
30typedef u32 compat_size_t;
31typedef s32 compat_ssize_t;
32typedef s32 compat_clock_t;
33typedef s32 compat_pid_t;
34typedef u32 compat_ino_t;
35typedef s32 compat_off_t;
36typedef s64 compat_loff_t;
37typedef s32 compat_daddr_t;
38typedef s32 compat_timer_t;
39typedef s32 compat_key_t;
40typedef s16 compat_short_t;
41typedef s32 compat_int_t;
42typedef s32 compat_long_t;
43typedef u16 compat_ushort_t;
44typedef u32 compat_uint_t;
45typedef u32 compat_ulong_t;
46typedef u32 compat_uptr_t;
47typedef u32 compat_caddr_t;
48typedef u32 compat_aio_context_t;
49typedef u32 compat_old_sigset_t;
50
51#ifndef __compat_uid_t
52typedef u32 __compat_uid_t;
53typedef u32 __compat_gid_t;
54#endif
55
56#ifndef __compat_uid32_t
57typedef u32 __compat_uid32_t;
58typedef u32 __compat_gid32_t;
59#endif
60
61#ifndef compat_mode_t
62typedef u32 compat_mode_t;
63#endif
64
65#ifdef CONFIG_COMPAT_FOR_U64_ALIGNMENT
66typedef s64 __attribute__((aligned(4))) compat_s64;
67typedef u64 __attribute__((aligned(4))) compat_u64;
68#else
69typedef s64 compat_s64;
70typedef u64 compat_u64;
71#endif
72
73#ifndef _COMPAT_NSIG
74typedef u32 compat_sigset_word;
75#define _COMPAT_NSIG _NSIG
76#define _COMPAT_NSIG_BPW 32
77#endif
78
79#ifndef compat_dev_t
80typedef u32 compat_dev_t;
81#endif
82
83#ifndef compat_ipc_pid_t
84typedef s32 compat_ipc_pid_t;
85#endif
86
87#ifndef compat_fsid_t
88typedef __kernel_fsid_t compat_fsid_t;
89#endif
90
91#ifndef compat_statfs
92struct 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
109struct 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
123struct 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
134struct 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
151struct 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