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