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
169
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