[PATCH] compat: be more consistent about [ug]id_t
[linux-3.10.git] / include / asm-mips / compat.h
1 #ifndef _ASM_COMPAT_H
2 #define _ASM_COMPAT_H
3 /*
4  * Architecture specific compatibility types
5  */
6 #include <linux/types.h>
7 #include <asm/page.h>
8
9 #define COMPAT_USER_HZ  100
10
11 typedef u32             compat_size_t;
12 typedef s32             compat_ssize_t;
13 typedef s32             compat_time_t;
14 typedef s32             compat_clock_t;
15 typedef s32             compat_suseconds_t;
16
17 typedef s32             compat_pid_t;
18 typedef u32             __compat_uid_t;
19 typedef u32             __compat_gid_t;
20 typedef u32             __compat_uid32_t;
21 typedef u32             __compat_gid32_t;
22 typedef u32             compat_mode_t;
23 typedef u32             compat_ino_t;
24 typedef u32             compat_dev_t;
25 typedef s32             compat_off_t;
26 typedef s64             compat_loff_t;
27 typedef u32             compat_nlink_t;
28 typedef s32             compat_ipc_pid_t;
29 typedef s32             compat_daddr_t;
30 typedef s32             compat_caddr_t;
31 typedef struct {
32         s32     val[2];
33 } compat_fsid_t;
34 typedef s32             compat_timer_t;
35
36 typedef s32             compat_int_t;
37 typedef s32             compat_long_t;
38 typedef u32             compat_uint_t;
39 typedef u32             compat_ulong_t;
40
41 struct compat_timespec {
42         compat_time_t   tv_sec;
43         s32             tv_nsec;
44 };
45
46 struct compat_timeval {
47         compat_time_t   tv_sec;
48         s32             tv_usec;
49 };
50
51 struct compat_stat {
52         compat_dev_t    st_dev;
53         s32             st_pad1[3];
54         compat_ino_t    st_ino;
55         compat_mode_t   st_mode;
56         compat_nlink_t  st_nlink;
57         __compat_uid32_t        st_uid;
58         __compat_gid32_t        st_gid;
59         compat_dev_t    st_rdev;
60         s32             st_pad2[2];
61         compat_off_t    st_size;
62         s32             st_pad3;
63         compat_time_t   st_atime;
64         s32             st_atime_nsec;
65         compat_time_t   st_mtime;
66         s32             st_mtime_nsec;
67         compat_time_t   st_ctime;
68         s32             st_ctime_nsec;
69         s32             st_blksize;
70         s32             st_blocks;
71         s32             st_pad4[14];
72 };
73
74 struct compat_flock {
75         short           l_type;
76         short           l_whence;
77         compat_off_t    l_start;
78         compat_off_t    l_len;
79         s32             l_sysid;
80         compat_pid_t    l_pid;
81         short           __unused;
82         s32             pad[4];
83 };
84
85 #define F_GETLK64       33
86 #define F_SETLK64       34
87 #define F_SETLKW64      35
88
89 struct compat_flock64 {
90         short           l_type;
91         short           l_whence;
92         compat_loff_t   l_start;
93         compat_loff_t   l_len;
94         compat_pid_t    l_pid;
95 };
96
97 struct compat_statfs {
98         int             f_type;
99         int             f_bsize;
100         int             f_frsize;
101         int             f_blocks;
102         int             f_bfree;
103         int             f_files;
104         int             f_ffree;
105         int             f_bavail;
106         compat_fsid_t   f_fsid;
107         int             f_namelen;
108         int             f_spare[6];
109 };
110
111 #define COMPAT_RLIM_INFINITY    0x7fffffffUL
112
113 typedef u32             compat_old_sigset_t;    /* at least 32 bits */
114
115 #define _COMPAT_NSIG            128             /* Don't ask !$@#% ...  */
116 #define _COMPAT_NSIG_BPW        32
117
118 typedef u32             compat_sigset_word;
119
120 #define COMPAT_OFF_T_MAX        0x7fffffff
121 #define COMPAT_LOFF_T_MAX       0x7fffffffffffffffL
122
123 /*
124  * A pointer passed in from user mode. This should not
125  * be used for syscall parameters, just declare them
126  * as pointers because the syscall entry code will have
127  * appropriately comverted them already.
128  */
129 typedef u32             compat_uptr_t;
130
131 static inline void *compat_ptr(compat_uptr_t uptr)
132 {
133         return (void *)(long)uptr;
134 }
135
136 static inline void *compat_alloc_user_space(long len)
137 {
138         struct pt_regs *regs = (struct pt_regs *)
139                 ((unsigned long) current_thread_info() + THREAD_SIZE - 32) - 1;
140
141         return (void *) (regs->regs[29] - len);
142 }
143 #if defined (__MIPSEL__)
144 #define __COMPAT_ENDIAN_SWAP__  1
145 #endif
146
147 #endif /* _ASM_COMPAT_H */