7630d1ad2391ada9799226cb13eadaf5fc3edf63
[linux-3.10.git] / include / asm-parisc / compat.h
1 #ifndef _ASM_PARISC_COMPAT_H
2 #define _ASM_PARISC_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
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_pid_t;
16 typedef u32     compat_uid_t;
17 typedef u32     compat_gid_t;
18 typedef u16     compat_mode_t;
19 typedef u32     compat_ino_t;
20 typedef u32     compat_dev_t;
21 typedef s32     compat_off_t;
22 typedef s64     compat_loff_t;
23 typedef u16     compat_nlink_t;
24 typedef u16     compat_ipc_pid_t;
25 typedef s32     compat_daddr_t;
26 typedef u32     compat_caddr_t;
27 typedef s32     compat_timer_t;
28
29 typedef s32     compat_int_t;
30 typedef s32     compat_long_t;
31 typedef u32     compat_uint_t;
32 typedef u32     compat_ulong_t;
33
34 struct compat_timespec {
35         compat_time_t           tv_sec;
36         s32                     tv_nsec;
37 };
38
39 struct compat_timeval {
40         compat_time_t           tv_sec;
41         s32                     tv_usec;
42 };
43
44 struct compat_stat {
45         compat_dev_t            st_dev; /* dev_t is 32 bits on parisc */
46         compat_ino_t            st_ino; /* 32 bits */
47         compat_mode_t           st_mode;        /* 16 bits */
48         compat_nlink_t          st_nlink;       /* 16 bits */
49         u16                     st_reserved1;   /* old st_uid */
50         u16                     st_reserved2;   /* old st_gid */
51         compat_dev_t            st_rdev;
52         compat_off_t            st_size;
53         compat_time_t           st_atime;
54         u32                     st_atime_nsec;
55         compat_time_t           st_mtime;
56         u32                     st_mtime_nsec;
57         compat_time_t           st_ctime;
58         u32                     st_ctime_nsec;
59         s32                     st_blksize;
60         s32                     st_blocks;
61         u32                     __unused1;      /* ACL stuff */
62         compat_dev_t            __unused2;      /* network */
63         compat_ino_t            __unused3;      /* network */
64         u32                     __unused4;      /* cnodes */
65         u16                     __unused5;      /* netsite */
66         short                   st_fstype;
67         compat_dev_t            st_realdev;
68         u16                     st_basemode;
69         u16                     st_spareshort;
70         compat_uid_t            st_uid;
71         compat_gid_t            st_gid;
72         u32                     st_spare4[3];
73 };
74
75 struct compat_flock {
76         short                   l_type;
77         short                   l_whence;
78         compat_off_t            l_start;
79         compat_off_t            l_len;
80         compat_pid_t            l_pid;
81 };
82
83 struct 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
91 struct 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         __kernel_fsid_t f_fsid;
100         s32             f_namelen;
101         s32             f_frsize;
102         s32             f_spare[5];
103 };
104
105 struct compat_sigcontext {
106         compat_int_t sc_flags;
107         compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */
108         u64 sc_fr[32];
109         compat_int_t sc_iasq[2];
110         compat_int_t sc_iaoq[2];
111         compat_int_t sc_sar; /* cr11 */
112 };
113
114 #define COMPAT_RLIM_INFINITY 0xffffffff
115
116 typedef u32             compat_old_sigset_t;    /* at least 32 bits */
117
118 #define _COMPAT_NSIG            64
119 #define _COMPAT_NSIG_BPW        32
120
121 typedef u32             compat_sigset_word;
122
123 #define COMPAT_OFF_T_MAX        0x7fffffff
124 #define COMPAT_LOFF_T_MAX       0x7fffffffffffffffL
125
126 /*
127  * A pointer passed in from user mode. This should not
128  * be used for syscall parameters, just declare them
129  * as pointers because the syscall entry code will have
130  * appropriately comverted them already.
131  */
132 typedef u32             compat_uptr_t;
133
134 static inline void __user *compat_ptr(compat_uptr_t uptr)
135 {
136         return (void __user *)(unsigned long)uptr;
137 }
138
139 static __inline__ void __user *compat_alloc_user_space(long len)
140 {
141         struct pt_regs *regs = &current->thread.regs;
142         return (void __user *)regs->gr[30];
143 }
144
145 #endif /* _ASM_PARISC_COMPAT_H */