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