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1da177e4 LT |
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> | |
7757591a | 8 | #include <linux/thread_info.h> |
1da177e4 | 9 | |
46836613 AV |
10 | #define __TYPE_IS_PTR(t) (!__builtin_types_compatible_p(typeof(0?(t)0:0ULL), u64)) |
11 | #define __SC_DELOUSE(t,v) (t)(__TYPE_IS_PTR(t) ? ((v) & 0x7fffffff) : (v)) | |
12 | ||
c1821c2e GS |
13 | #define PSW32_MASK_PER 0x40000000UL |
14 | #define PSW32_MASK_DAT 0x04000000UL | |
15 | #define PSW32_MASK_IO 0x02000000UL | |
16 | #define PSW32_MASK_EXT 0x01000000UL | |
17 | #define PSW32_MASK_KEY 0x00F00000UL | |
b50511e4 | 18 | #define PSW32_MASK_BASE 0x00080000UL /* Always one */ |
c1821c2e GS |
19 | #define PSW32_MASK_MCHECK 0x00040000UL |
20 | #define PSW32_MASK_WAIT 0x00020000UL | |
21 | #define PSW32_MASK_PSTATE 0x00010000UL | |
22 | #define PSW32_MASK_ASC 0x0000C000UL | |
23 | #define PSW32_MASK_CC 0x00003000UL | |
24 | #define PSW32_MASK_PM 0x00000f00UL | |
25 | ||
fa968ee2 | 26 | #define PSW32_MASK_USER 0x0000FF00UL |
b50511e4 MS |
27 | |
28 | #define PSW32_ADDR_AMODE 0x80000000UL | |
c1821c2e GS |
29 | #define PSW32_ADDR_INSN 0x7FFFFFFFUL |
30 | ||
b50511e4 | 31 | #define PSW32_DEFAULT_KEY (((u32) PAGE_DEFAULT_ACC) << 20) |
c1821c2e GS |
32 | |
33 | #define PSW32_ASC_PRIMARY 0x00000000UL | |
34 | #define PSW32_ASC_ACCREG 0x00004000UL | |
35 | #define PSW32_ASC_SECONDARY 0x00008000UL | |
36 | #define PSW32_ASC_HOME 0x0000C000UL | |
37 | ||
b50511e4 | 38 | extern u32 psw32_user_bits; |
c1821c2e | 39 | |
e28cbf22 CH |
40 | #define COMPAT_USER_HZ 100 |
41 | #define COMPAT_UTS_MACHINE "s390\0\0\0\0" | |
1da177e4 LT |
42 | |
43 | typedef u32 compat_size_t; | |
44 | typedef s32 compat_ssize_t; | |
45 | typedef s32 compat_time_t; | |
46 | typedef s32 compat_clock_t; | |
47 | typedef s32 compat_pid_t; | |
202e5979 SR |
48 | typedef u16 __compat_uid_t; |
49 | typedef u16 __compat_gid_t; | |
50 | typedef u32 __compat_uid32_t; | |
51 | typedef u32 __compat_gid32_t; | |
1da177e4 LT |
52 | typedef u16 compat_mode_t; |
53 | typedef u32 compat_ino_t; | |
54 | typedef u16 compat_dev_t; | |
55 | typedef s32 compat_off_t; | |
56 | typedef s64 compat_loff_t; | |
57 | typedef u16 compat_nlink_t; | |
58 | typedef u16 compat_ipc_pid_t; | |
59 | typedef s32 compat_daddr_t; | |
60 | typedef u32 compat_caddr_t; | |
61 | typedef __kernel_fsid_t compat_fsid_t; | |
62 | typedef s32 compat_key_t; | |
63 | typedef s32 compat_timer_t; | |
64 | ||
65 | typedef s32 compat_int_t; | |
66 | typedef s32 compat_long_t; | |
4b777587 | 67 | typedef s64 compat_s64; |
1da177e4 LT |
68 | typedef u32 compat_uint_t; |
69 | typedef u32 compat_ulong_t; | |
4b777587 | 70 | typedef u64 compat_u64; |
751f409d | 71 | typedef u32 compat_uptr_t; |
1da177e4 LT |
72 | |
73 | struct compat_timespec { | |
74 | compat_time_t tv_sec; | |
75 | s32 tv_nsec; | |
76 | }; | |
77 | ||
78 | struct compat_timeval { | |
79 | compat_time_t tv_sec; | |
80 | s32 tv_usec; | |
81 | }; | |
82 | ||
83 | struct compat_stat { | |
84 | compat_dev_t st_dev; | |
85 | u16 __pad1; | |
86 | compat_ino_t st_ino; | |
87 | compat_mode_t st_mode; | |
88 | compat_nlink_t st_nlink; | |
202e5979 SR |
89 | __compat_uid_t st_uid; |
90 | __compat_gid_t st_gid; | |
1da177e4 LT |
91 | compat_dev_t st_rdev; |
92 | u16 __pad2; | |
93 | u32 st_size; | |
94 | u32 st_blksize; | |
95 | u32 st_blocks; | |
96 | u32 st_atime; | |
97 | u32 st_atime_nsec; | |
98 | u32 st_mtime; | |
99 | u32 st_mtime_nsec; | |
100 | u32 st_ctime; | |
101 | u32 st_ctime_nsec; | |
102 | u32 __unused4; | |
103 | u32 __unused5; | |
104 | }; | |
105 | ||
106 | struct compat_flock { | |
107 | short l_type; | |
108 | short l_whence; | |
109 | compat_off_t l_start; | |
110 | compat_off_t l_len; | |
111 | compat_pid_t l_pid; | |
112 | }; | |
113 | ||
114 | #define F_GETLK64 12 | |
115 | #define F_SETLK64 13 | |
116 | #define F_SETLKW64 14 | |
117 | ||
118 | struct compat_flock64 { | |
119 | short l_type; | |
120 | short l_whence; | |
121 | compat_loff_t l_start; | |
122 | compat_loff_t l_len; | |
123 | compat_pid_t l_pid; | |
124 | }; | |
125 | ||
126 | struct compat_statfs { | |
127 | s32 f_type; | |
128 | s32 f_bsize; | |
129 | s32 f_blocks; | |
130 | s32 f_bfree; | |
131 | s32 f_bavail; | |
132 | s32 f_files; | |
133 | s32 f_ffree; | |
134 | compat_fsid_t f_fsid; | |
135 | s32 f_namelen; | |
136 | s32 f_frsize; | |
1448c721 | 137 | s32 f_flags; |
a2aec0d3 | 138 | s32 f_spare[4]; |
1da177e4 LT |
139 | }; |
140 | ||
141 | #define COMPAT_RLIM_OLD_INFINITY 0x7fffffff | |
142 | #define COMPAT_RLIM_INFINITY 0xffffffff | |
143 | ||
144 | typedef u32 compat_old_sigset_t; /* at least 32 bits */ | |
145 | ||
146 | #define _COMPAT_NSIG 64 | |
147 | #define _COMPAT_NSIG_BPW 32 | |
148 | ||
149 | typedef u32 compat_sigset_word; | |
150 | ||
751f409d DV |
151 | typedef union compat_sigval { |
152 | compat_int_t sival_int; | |
153 | compat_uptr_t sival_ptr; | |
154 | } compat_sigval_t; | |
155 | ||
156 | typedef struct compat_siginfo { | |
157 | int si_signo; | |
158 | int si_errno; | |
159 | int si_code; | |
160 | ||
161 | union { | |
162 | int _pad[128/sizeof(int) - 3]; | |
163 | ||
164 | /* kill() */ | |
165 | struct { | |
166 | pid_t _pid; /* sender's pid */ | |
167 | uid_t _uid; /* sender's uid */ | |
168 | } _kill; | |
169 | ||
170 | /* POSIX.1b timers */ | |
171 | struct { | |
172 | compat_timer_t _tid; /* timer id */ | |
173 | int _overrun; /* overrun count */ | |
174 | compat_sigval_t _sigval; /* same as below */ | |
175 | int _sys_private; /* not to be passed to user */ | |
176 | } _timer; | |
177 | ||
178 | /* POSIX.1b signals */ | |
179 | struct { | |
180 | pid_t _pid; /* sender's pid */ | |
181 | uid_t _uid; /* sender's uid */ | |
182 | compat_sigval_t _sigval; | |
183 | } _rt; | |
184 | ||
185 | /* SIGCHLD */ | |
186 | struct { | |
187 | pid_t _pid; /* which child */ | |
188 | uid_t _uid; /* sender's uid */ | |
189 | int _status;/* exit code */ | |
190 | compat_clock_t _utime; | |
191 | compat_clock_t _stime; | |
192 | } _sigchld; | |
193 | ||
194 | /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ | |
195 | struct { | |
196 | __u32 _addr; /* faulting insn/memory ref. - pointer */ | |
197 | } _sigfault; | |
198 | ||
199 | /* SIGPOLL */ | |
200 | struct { | |
201 | int _band; /* POLL_IN, POLL_OUT, POLL_MSG */ | |
202 | int _fd; | |
203 | } _sigpoll; | |
204 | } _sifields; | |
205 | } compat_siginfo_t; | |
206 | ||
207 | /* | |
208 | * How these fields are to be accessed. | |
209 | */ | |
210 | #define si_pid _sifields._kill._pid | |
211 | #define si_uid _sifields._kill._uid | |
212 | #define si_status _sifields._sigchld._status | |
213 | #define si_utime _sifields._sigchld._utime | |
214 | #define si_stime _sifields._sigchld._stime | |
215 | #define si_value _sifields._rt._sigval | |
216 | #define si_int _sifields._rt._sigval.sival_int | |
217 | #define si_ptr _sifields._rt._sigval.sival_ptr | |
218 | #define si_addr _sifields._sigfault._addr | |
219 | #define si_band _sifields._sigpoll._band | |
220 | #define si_fd _sifields._sigpoll._fd | |
221 | #define si_tid _sifields._timer._tid | |
222 | #define si_overrun _sifields._timer._overrun | |
223 | ||
1da177e4 LT |
224 | #define COMPAT_OFF_T_MAX 0x7fffffff |
225 | #define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL | |
226 | ||
227 | /* | |
228 | * A pointer passed in from user mode. This should not | |
229 | * be used for syscall parameters, just declare them | |
230 | * as pointers because the syscall entry code will have | |
8b3de0df | 231 | * appropriately converted them already. |
1da177e4 | 232 | */ |
1da177e4 LT |
233 | |
234 | static inline void __user *compat_ptr(compat_uptr_t uptr) | |
235 | { | |
236 | return (void __user *)(unsigned long)(uptr & 0x7fffffffUL); | |
237 | } | |
238 | ||
f267fa9f IM |
239 | static inline compat_uptr_t ptr_to_compat(void __user *uptr) |
240 | { | |
241 | return (u32)(unsigned long)uptr; | |
242 | } | |
243 | ||
7757591a HC |
244 | #ifdef CONFIG_COMPAT |
245 | ||
246 | static inline int is_compat_task(void) | |
247 | { | |
a05c90f1 | 248 | return is_32bit_task(); |
7757591a HC |
249 | } |
250 | ||
c41d68a5 | 251 | static inline void __user *arch_compat_alloc_user_space(long len) |
1da177e4 LT |
252 | { |
253 | unsigned long stack; | |
254 | ||
255 | stack = KSTK_ESP(current); | |
7757591a | 256 | if (is_compat_task()) |
1da177e4 LT |
257 | stack &= 0x7fffffffUL; |
258 | return (void __user *) (stack - len); | |
259 | } | |
260 | ||
0f58104c HC |
261 | #endif |
262 | ||
1da177e4 LT |
263 | struct compat_ipc64_perm { |
264 | compat_key_t key; | |
202e5979 SR |
265 | __compat_uid32_t uid; |
266 | __compat_gid32_t gid; | |
267 | __compat_uid32_t cuid; | |
268 | __compat_gid32_t cgid; | |
1da177e4 LT |
269 | compat_mode_t mode; |
270 | unsigned short __pad1; | |
271 | unsigned short seq; | |
272 | unsigned short __pad2; | |
273 | unsigned int __unused1; | |
274 | unsigned int __unused2; | |
275 | }; | |
276 | ||
277 | struct compat_semid64_ds { | |
278 | struct compat_ipc64_perm sem_perm; | |
279 | compat_time_t sem_otime; | |
280 | compat_ulong_t __pad1; | |
281 | compat_time_t sem_ctime; | |
282 | compat_ulong_t __pad2; | |
283 | compat_ulong_t sem_nsems; | |
284 | compat_ulong_t __unused1; | |
285 | compat_ulong_t __unused2; | |
286 | }; | |
287 | ||
288 | struct compat_msqid64_ds { | |
289 | struct compat_ipc64_perm msg_perm; | |
290 | compat_time_t msg_stime; | |
291 | compat_ulong_t __pad1; | |
292 | compat_time_t msg_rtime; | |
293 | compat_ulong_t __pad2; | |
294 | compat_time_t msg_ctime; | |
295 | compat_ulong_t __pad3; | |
296 | compat_ulong_t msg_cbytes; | |
297 | compat_ulong_t msg_qnum; | |
298 | compat_ulong_t msg_qbytes; | |
299 | compat_pid_t msg_lspid; | |
300 | compat_pid_t msg_lrpid; | |
301 | compat_ulong_t __unused1; | |
302 | compat_ulong_t __unused2; | |
303 | }; | |
304 | ||
305 | struct compat_shmid64_ds { | |
306 | struct compat_ipc64_perm shm_perm; | |
307 | compat_size_t shm_segsz; | |
308 | compat_time_t shm_atime; | |
309 | compat_ulong_t __pad1; | |
310 | compat_time_t shm_dtime; | |
311 | compat_ulong_t __pad2; | |
312 | compat_time_t shm_ctime; | |
313 | compat_ulong_t __pad3; | |
314 | compat_pid_t shm_cpid; | |
315 | compat_pid_t shm_lpid; | |
316 | compat_ulong_t shm_nattch; | |
317 | compat_ulong_t __unused1; | |
318 | compat_ulong_t __unused2; | |
319 | }; | |
320 | #endif /* _ASM_S390X_COMPAT_H */ |