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gerrit-public.fairphone.software / kernel / msm-4.9 / 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 / . / include / asm-s390 / compat.h
blob: 7f8f544eb262f8edb58a97090559ad280eea2918 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame^]1#ifndef _ASM_S390X_COMPAT_H
2#define _ASM_S390X_COMPAT_H
3/*
4 * Architecture specific compatibility types
5 */
6#include <linux/types.h>
7#include <linux/sched.h>
8
9#define COMPAT_USER_HZ 100
10
11typedef u32 compat_size_t;
12typedef s32 compat_ssize_t;
13typedef s32 compat_time_t;
14typedef s32 compat_clock_t;
15typedef s32 compat_pid_t;
16typedef u16 compat_uid_t;
17typedef u16 compat_gid_t;
18typedef u32 compat_uid32_t;
19typedef u32 compat_gid32_t;
20typedef u16 compat_mode_t;
21typedef u32 compat_ino_t;
22typedef u16 compat_dev_t;
23typedef s32 compat_off_t;
24typedef s64 compat_loff_t;
25typedef u16 compat_nlink_t;
26typedef u16 compat_ipc_pid_t;
27typedef s32 compat_daddr_t;
28typedef u32 compat_caddr_t;
29typedef __kernel_fsid_t compat_fsid_t;
30typedef s32 compat_key_t;
31typedef s32 compat_timer_t;
32
33typedef s32 compat_int_t;
34typedef s32 compat_long_t;
35typedef u32 compat_uint_t;
36typedef u32 compat_ulong_t;
37
38struct compat_timespec {
39 compat_time_t tv_sec;
40 s32 tv_nsec;
41};
42
43struct compat_timeval {
44 compat_time_t tv_sec;
45 s32 tv_usec;
46};
47
48struct compat_stat {
49 compat_dev_t st_dev;
50 u16 __pad1;
51 compat_ino_t st_ino;
52 compat_mode_t st_mode;
53 compat_nlink_t st_nlink;
54 compat_uid_t st_uid;
55 compat_gid_t st_gid;
56 compat_dev_t st_rdev;
57 u16 __pad2;
58 u32 st_size;
59 u32 st_blksize;
60 u32 st_blocks;
61 u32 st_atime;
62 u32 st_atime_nsec;
63 u32 st_mtime;
64 u32 st_mtime_nsec;
65 u32 st_ctime;
66 u32 st_ctime_nsec;
67 u32 __unused4;
68 u32 __unused5;
69};
70
71struct compat_flock {
72 short l_type;
73 short l_whence;
74 compat_off_t l_start;
75 compat_off_t l_len;
76 compat_pid_t l_pid;
77};
78
79#define F_GETLK64 12
80#define F_SETLK64 13
81#define F_SETLKW64 14
82
83struct compat_flock64 {
84 short l_type;
85 short l_whence;
86 compat_loff_t l_start;
87 compat_loff_t l_len;
88 compat_pid_t l_pid;
89};
90
91struct compat_statfs {
92 s32 f_type;
93 s32 f_bsize;
94 s32 f_blocks;
95 s32 f_bfree;
96 s32 f_bavail;
97 s32 f_files;
98 s32 f_ffree;
99 compat_fsid_t f_fsid;
100 s32 f_namelen;
101 s32 f_frsize;
102 s32 f_spare[6];
103};
104
105#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff
106#define COMPAT_RLIM_INFINITY 0xffffffff
107
108typedef u32 compat_old_sigset_t; /* at least 32 bits */
109
110#define _COMPAT_NSIG 64
111#define _COMPAT_NSIG_BPW 32
112
113typedef u32 compat_sigset_word;
114
115#define COMPAT_OFF_T_MAX 0x7fffffff
116#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
117
118/*
119 * A pointer passed in from user mode. This should not
120 * be used for syscall parameters, just declare them
121 * as pointers because the syscall entry code will have
122 * appropriately comverted them already.
123 */
124typedef u32 compat_uptr_t;
125
126static inline void __user *compat_ptr(compat_uptr_t uptr)
127{
128 return (void __user *)(unsigned long)(uptr & 0x7fffffffUL);
129}
130
131static inline void __user *compat_alloc_user_space(long len)
132{
133 unsigned long stack;
134
135 stack = KSTK_ESP(current);
136 if (test_thread_flag(TIF_31BIT))
137 stack &= 0x7fffffffUL;
138 return (void __user *) (stack - len);
139}
140
141struct compat_ipc64_perm {
142 compat_key_t key;
143 compat_uid32_t uid;
144 compat_gid32_t gid;
145 compat_uid32_t cuid;
146 compat_gid32_t cgid;
147 compat_mode_t mode;
148 unsigned short __pad1;
149 unsigned short seq;
150 unsigned short __pad2;
151 unsigned int __unused1;
152 unsigned int __unused2;
153};
154
155struct compat_semid64_ds {
156 struct compat_ipc64_perm sem_perm;
157 compat_time_t sem_otime;
158 compat_ulong_t __pad1;
159 compat_time_t sem_ctime;
160 compat_ulong_t __pad2;
161 compat_ulong_t sem_nsems;
162 compat_ulong_t __unused1;
163 compat_ulong_t __unused2;
164};
165
166struct compat_msqid64_ds {
167 struct compat_ipc64_perm msg_perm;
168 compat_time_t msg_stime;
169 compat_ulong_t __pad1;
170 compat_time_t msg_rtime;
171 compat_ulong_t __pad2;
172 compat_time_t msg_ctime;
173 compat_ulong_t __pad3;
174 compat_ulong_t msg_cbytes;
175 compat_ulong_t msg_qnum;
176 compat_ulong_t msg_qbytes;
177 compat_pid_t msg_lspid;
178 compat_pid_t msg_lrpid;
179 compat_ulong_t __unused1;
180 compat_ulong_t __unused2;
181};
182
183struct compat_shmid64_ds {
184 struct compat_ipc64_perm shm_perm;
185 compat_size_t shm_segsz;
186 compat_time_t shm_atime;
187 compat_ulong_t __pad1;
188 compat_time_t shm_dtime;
189 compat_ulong_t __pad2;
190 compat_time_t shm_ctime;
191 compat_ulong_t __pad3;
192 compat_pid_t shm_cpid;
193 compat_pid_t shm_lpid;
194 compat_ulong_t shm_nattch;
195 compat_ulong_t __unused1;
196 compat_ulong_t __unused2;
197};
198#endif /* _ASM_S390X_COMPAT_H */