asm-*/compat.h: fix typo in comment
[linux-2.6.git] / include / asm-sparc64 / compat.h
1 #ifndef _ASM_SPARC64_COMPAT_H
2 #define _ASM_SPARC64_COMPAT_H
3 /*
4  * Architecture specific compatibility types
5  */
6 #include <linux/types.h>
7
8 #define COMPAT_USER_HZ  100
9
10 typedef u32             compat_size_t;
11 typedef s32             compat_ssize_t;
12 typedef s32             compat_time_t;
13 typedef s32             compat_clock_t;
14 typedef s32             compat_pid_t;
15 typedef u16             __compat_uid_t;
16 typedef u16             __compat_gid_t;
17 typedef u32             __compat_uid32_t;
18 typedef u32             __compat_gid32_t;
19 typedef u16             compat_mode_t;
20 typedef u32             compat_ino_t;
21 typedef u16             compat_dev_t;
22 typedef s32             compat_off_t;
23 typedef s64             compat_loff_t;
24 typedef s16             compat_nlink_t;
25 typedef u16             compat_ipc_pid_t;
26 typedef s32             compat_daddr_t;
27 typedef u32             compat_caddr_t;
28 typedef __kernel_fsid_t compat_fsid_t;
29 typedef s32             compat_key_t;
30 typedef s32             compat_timer_t;
31
32 typedef s32             compat_int_t;
33 typedef s32             compat_long_t;
34 typedef s64             compat_s64;
35 typedef u32             compat_uint_t;
36 typedef u32             compat_ulong_t;
37 typedef u64             compat_u64;
38
39 struct compat_timespec {
40         compat_time_t   tv_sec;
41         s32             tv_nsec;
42 };
43
44 struct compat_timeval {
45         compat_time_t   tv_sec;
46         s32             tv_usec;
47 };
48
49 struct compat_stat {
50         compat_dev_t    st_dev;
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         compat_off_t    st_size;
58         compat_time_t   st_atime;
59         compat_ulong_t  st_atime_nsec;
60         compat_time_t   st_mtime;
61         compat_ulong_t  st_mtime_nsec;
62         compat_time_t   st_ctime;
63         compat_ulong_t  st_ctime_nsec;
64         compat_off_t    st_blksize;
65         compat_off_t    st_blocks;
66         u32             __unused4[2];
67 };
68
69 struct compat_stat64 {
70         unsigned long long      st_dev;
71
72         unsigned long long      st_ino;
73
74         unsigned int    st_mode;
75         unsigned int    st_nlink;
76
77         unsigned int    st_uid;
78         unsigned int    st_gid;
79
80         unsigned long long      st_rdev;
81
82         unsigned char   __pad3[8];
83
84         long long       st_size;
85         unsigned int    st_blksize;
86
87         unsigned char   __pad4[8];
88         unsigned int    st_blocks;
89
90         unsigned int    st_atime;
91         unsigned int    st_atime_nsec;
92
93         unsigned int    st_mtime;
94         unsigned int    st_mtime_nsec;
95
96         unsigned int    st_ctime;
97         unsigned int    st_ctime_nsec;
98
99         unsigned int    __unused4;
100         unsigned int    __unused5;
101 };
102
103 struct compat_flock {
104         short           l_type;
105         short           l_whence;
106         compat_off_t    l_start;
107         compat_off_t    l_len;
108         compat_pid_t    l_pid;
109         short           __unused;
110 };
111
112 #define F_GETLK64       12
113 #define F_SETLK64       13
114 #define F_SETLKW64      14
115
116 struct compat_flock64 {
117         short           l_type;
118         short           l_whence;
119         compat_loff_t   l_start;
120         compat_loff_t   l_len;
121         compat_pid_t    l_pid;
122         short           __unused;
123 };
124
125 struct compat_statfs {
126         int             f_type;
127         int             f_bsize;
128         int             f_blocks;
129         int             f_bfree;
130         int             f_bavail;
131         int             f_files;
132         int             f_ffree;
133         compat_fsid_t   f_fsid;
134         int             f_namelen;      /* SunOS ignores this field. */
135         int             f_frsize;
136         int             f_spare[5];
137 };
138
139 #define COMPAT_RLIM_INFINITY 0x7fffffff
140
141 typedef u32             compat_old_sigset_t;
142
143 #define _COMPAT_NSIG            64
144 #define _COMPAT_NSIG_BPW        32
145
146 typedef u32             compat_sigset_word;
147
148 #define COMPAT_OFF_T_MAX        0x7fffffff
149 #define COMPAT_LOFF_T_MAX       0x7fffffffffffffffL
150
151 /*
152  * A pointer passed in from user mode. This should not
153  * be used for syscall parameters, just declare them
154  * as pointers because the syscall entry code will have
155  * appropriately converted them already.
156  */
157 typedef u32             compat_uptr_t;
158
159 static inline void __user *compat_ptr(compat_uptr_t uptr)
160 {
161         return (void __user *)(unsigned long)uptr;
162 }
163
164 static inline compat_uptr_t ptr_to_compat(void __user *uptr)
165 {
166         return (u32)(unsigned long)uptr;
167 }
168
169 static inline void __user *compat_alloc_user_space(long len)
170 {
171         struct pt_regs *regs = current_thread_info()->kregs;
172         unsigned long usp = regs->u_regs[UREG_I6];
173
174         if (!(test_thread_flag(TIF_32BIT)))
175                 usp += STACK_BIAS;
176         else
177                 usp &= 0xffffffffUL;
178
179         usp -= len;
180         usp &= ~0x7UL;
181
182         return (void __user *) usp;
183 }
184
185 struct compat_ipc64_perm {
186         compat_key_t key;
187         __compat_uid32_t uid;
188         __compat_gid32_t gid;
189         __compat_uid32_t cuid;
190         __compat_gid32_t cgid;
191         unsigned short __pad1;
192         compat_mode_t mode;
193         unsigned short __pad2;
194         unsigned short seq;
195         unsigned long __unused1;        /* yes they really are 64bit pads */
196         unsigned long __unused2;
197 };
198
199 struct compat_semid64_ds {
200         struct compat_ipc64_perm sem_perm;
201         unsigned int    __pad1;
202         compat_time_t   sem_otime;
203         unsigned int    __pad2;
204         compat_time_t   sem_ctime;
205         u32             sem_nsems;
206         u32             __unused1;
207         u32             __unused2;
208 };
209
210 struct compat_msqid64_ds {
211         struct compat_ipc64_perm msg_perm;
212         unsigned int    __pad1;
213         compat_time_t   msg_stime;
214         unsigned int    __pad2;
215         compat_time_t   msg_rtime;
216         unsigned int    __pad3;
217         compat_time_t   msg_ctime;
218         unsigned int    msg_cbytes;
219         unsigned int    msg_qnum;
220         unsigned int    msg_qbytes;
221         compat_pid_t    msg_lspid;
222         compat_pid_t    msg_lrpid;
223         unsigned int    __unused1;
224         unsigned int    __unused2;
225 };
226
227 struct compat_shmid64_ds {
228         struct compat_ipc64_perm shm_perm;
229         unsigned int    __pad1;
230         compat_time_t   shm_atime;
231         unsigned int    __pad2;
232         compat_time_t   shm_dtime;
233         unsigned int    __pad3;
234         compat_time_t   shm_ctime;
235         compat_size_t   shm_segsz;
236         compat_pid_t    shm_cpid;
237         compat_pid_t    shm_lpid;
238         unsigned int    shm_nattch;
239         unsigned int    __unused1;
240         unsigned int    __unused2;
241 };
242
243 #endif /* _ASM_SPARC64_COMPAT_H */