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