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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>
8#include <linux/thread_info.h>
9
10#define PSW32_MASK_PER 0x40000000UL
11#define PSW32_MASK_DAT 0x04000000UL
12#define PSW32_MASK_IO 0x02000000UL
13#define PSW32_MASK_EXT 0x01000000UL
14#define PSW32_MASK_KEY 0x00F00000UL
15#define PSW32_MASK_BASE 0x00080000UL /* Always one */
16#define PSW32_MASK_MCHECK 0x00040000UL
17#define PSW32_MASK_WAIT 0x00020000UL
18#define PSW32_MASK_PSTATE 0x00010000UL
19#define PSW32_MASK_ASC 0x0000C000UL
20#define PSW32_MASK_CC 0x00003000UL
21#define PSW32_MASK_PM 0x00000f00UL
22
23#define PSW32_MASK_USER 0x00003F00UL
24
25#define PSW32_ADDR_AMODE 0x80000000UL
26#define PSW32_ADDR_INSN 0x7FFFFFFFUL
27
28#define PSW32_DEFAULT_KEY (((u32) PAGE_DEFAULT_ACC) << 20)
29
30#define PSW32_ASC_PRIMARY 0x00000000UL
31#define PSW32_ASC_ACCREG 0x00004000UL
32#define PSW32_ASC_SECONDARY 0x00008000UL
33#define PSW32_ASC_HOME 0x0000C000UL
34
35extern u32 psw32_user_bits;
36
37#define COMPAT_USER_HZ 100
38#define COMPAT_UTS_MACHINE "s390\0\0\0\0"
39
40typedef u32 compat_size_t;
41typedef s32 compat_ssize_t;
42typedef s32 compat_time_t;
43typedef s32 compat_clock_t;
44typedef s32 compat_pid_t;
45typedef u16 __compat_uid_t;
46typedef u16 __compat_gid_t;
47typedef u32 __compat_uid32_t;
48typedef u32 __compat_gid32_t;
49typedef u16 compat_mode_t;
50typedef u32 compat_ino_t;
51typedef u16 compat_dev_t;
52typedef s32 compat_off_t;
53typedef s64 compat_loff_t;
54typedef u16 compat_nlink_t;
55typedef u16 compat_ipc_pid_t;
56typedef s32 compat_daddr_t;
57typedef u32 compat_caddr_t;
58typedef __kernel_fsid_t compat_fsid_t;
59typedef s32 compat_key_t;
60typedef s32 compat_timer_t;
61
62typedef s32 compat_int_t;
63typedef s32 compat_long_t;
64typedef s64 compat_s64;
65typedef u32 compat_uint_t;
66typedef u32 compat_ulong_t;
67typedef u64 compat_u64;
68
69struct compat_timespec {
70 compat_time_t tv_sec;
71 s32 tv_nsec;
72};
73
74struct compat_timeval {
75 compat_time_t tv_sec;
76 s32 tv_usec;
77};
78
79struct compat_stat {
80 compat_dev_t st_dev;
81 u16 __pad1;
82 compat_ino_t st_ino;
83 compat_mode_t st_mode;
84 compat_nlink_t st_nlink;
85 __compat_uid_t st_uid;
86 __compat_gid_t st_gid;
87 compat_dev_t st_rdev;
88 u16 __pad2;
89 u32 st_size;
90 u32 st_blksize;
91 u32 st_blocks;
92 u32 st_atime;
93 u32 st_atime_nsec;
94 u32 st_mtime;
95 u32 st_mtime_nsec;
96 u32 st_ctime;
97 u32 st_ctime_nsec;
98 u32 __unused4;
99 u32 __unused5;
100};
101
102struct compat_flock {
103 short l_type;
104 short l_whence;
105 compat_off_t l_start;
106 compat_off_t l_len;
107 compat_pid_t l_pid;
108};
109
110#define F_GETLK64 12
111#define F_SETLK64 13
112#define F_SETLKW64 14
113
114struct 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};
121
122struct compat_statfs {
123 s32 f_type;
124 s32 f_bsize;
125 s32 f_blocks;
126 s32 f_bfree;
127 s32 f_bavail;
128 s32 f_files;
129 s32 f_ffree;
130 compat_fsid_t f_fsid;
131 s32 f_namelen;
132 s32 f_frsize;
133 s32 f_flags;
134 s32 f_spare[5];
135};
136
137#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff
138#define COMPAT_RLIM_INFINITY 0xffffffff
139
140typedef u32 compat_old_sigset_t; /* at least 32 bits */
141
142#define _COMPAT_NSIG 64
143#define _COMPAT_NSIG_BPW 32
144
145typedef u32 compat_sigset_word;
146
147#define COMPAT_OFF_T_MAX 0x7fffffff
148#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
149
150/*
151 * A pointer passed in from user mode. This should not
152 * be used for syscall parameters, just declare them
153 * as pointers because the syscall entry code will have
154 * appropriately converted them already.
155 */
156typedef u32 compat_uptr_t;
157
158static inline void __user *compat_ptr(compat_uptr_t uptr)
159{
160 return (void __user *)(unsigned long)(uptr & 0x7fffffffUL);
161}
162
163static inline compat_uptr_t ptr_to_compat(void __user *uptr)
164{
165 return (u32)(unsigned long)uptr;
166}
167
168#ifdef CONFIG_COMPAT
169
170static inline int is_compat_task(void)
171{
172 return is_32bit_task();
173}
174
175#endif
176
177static inline void __user *arch_compat_alloc_user_space(long len)
178{
179 unsigned long stack;
180
181 stack = KSTK_ESP(current);
182 if (is_compat_task())
183 stack &= 0x7fffffffUL;
184 return (void __user *) (stack - len);
185}
186
187struct compat_ipc64_perm {
188 compat_key_t key;
189 __compat_uid32_t uid;
190 __compat_gid32_t gid;
191 __compat_uid32_t cuid;
192 __compat_gid32_t cgid;
193 compat_mode_t mode;
194 unsigned short __pad1;
195 unsigned short seq;
196 unsigned short __pad2;
197 unsigned int __unused1;
198 unsigned int __unused2;
199};
200
201struct compat_semid64_ds {
202 struct compat_ipc64_perm sem_perm;
203 compat_time_t sem_otime;
204 compat_ulong_t __pad1;
205 compat_time_t sem_ctime;
206 compat_ulong_t __pad2;
207 compat_ulong_t sem_nsems;
208 compat_ulong_t __unused1;
209 compat_ulong_t __unused2;
210};
211
212struct compat_msqid64_ds {
213 struct compat_ipc64_perm msg_perm;
214 compat_time_t msg_stime;
215 compat_ulong_t __pad1;
216 compat_time_t msg_rtime;
217 compat_ulong_t __pad2;
218 compat_time_t msg_ctime;
219 compat_ulong_t __pad3;
220 compat_ulong_t msg_cbytes;
221 compat_ulong_t msg_qnum;
222 compat_ulong_t msg_qbytes;
223 compat_pid_t msg_lspid;
224 compat_pid_t msg_lrpid;
225 compat_ulong_t __unused1;
226 compat_ulong_t __unused2;
227};
228
229struct compat_shmid64_ds {
230 struct compat_ipc64_perm shm_perm;
231 compat_size_t shm_segsz;
232 compat_time_t shm_atime;
233 compat_ulong_t __pad1;
234 compat_time_t shm_dtime;
235 compat_ulong_t __pad2;
236 compat_time_t shm_ctime;
237 compat_ulong_t __pad3;
238 compat_pid_t shm_cpid;
239 compat_pid_t shm_lpid;
240 compat_ulong_t shm_nattch;
241 compat_ulong_t __unused1;
242 compat_ulong_t __unused2;
243};
244#endif /* _ASM_S390X_COMPAT_H */
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>
8#include <linux/thread_info.h>
9
10#define __TYPE_IS_PTR(t) (!__builtin_types_compatible_p(typeof(0?(t)0:0ULL), u64))
11
12#define __SC_DELOUSE(t,v) ({ \
13 BUILD_BUG_ON(sizeof(t) > 4 && !__TYPE_IS_PTR(t)); \
14 (t)(__TYPE_IS_PTR(t) ? ((v) & 0x7fffffff) : (v)); \
15})
16
17#define PSW32_MASK_PER 0x40000000UL
18#define PSW32_MASK_DAT 0x04000000UL
19#define PSW32_MASK_IO 0x02000000UL
20#define PSW32_MASK_EXT 0x01000000UL
21#define PSW32_MASK_KEY 0x00F00000UL
22#define PSW32_MASK_BASE 0x00080000UL /* Always one */
23#define PSW32_MASK_MCHECK 0x00040000UL
24#define PSW32_MASK_WAIT 0x00020000UL
25#define PSW32_MASK_PSTATE 0x00010000UL
26#define PSW32_MASK_ASC 0x0000C000UL
27#define PSW32_MASK_CC 0x00003000UL
28#define PSW32_MASK_PM 0x00000f00UL
29#define PSW32_MASK_RI 0x00000080UL
30
31#define PSW32_MASK_USER 0x0000FF00UL
32
33#define PSW32_ADDR_AMODE 0x80000000UL
34#define PSW32_ADDR_INSN 0x7FFFFFFFUL
35
36#define PSW32_DEFAULT_KEY (((u32) PAGE_DEFAULT_ACC) << 20)
37
38#define PSW32_ASC_PRIMARY 0x00000000UL
39#define PSW32_ASC_ACCREG 0x00004000UL
40#define PSW32_ASC_SECONDARY 0x00008000UL
41#define PSW32_ASC_HOME 0x0000C000UL
42
43#define PSW32_USER_BITS (PSW32_MASK_DAT | PSW32_MASK_IO | PSW32_MASK_EXT | \
44 PSW32_DEFAULT_KEY | PSW32_MASK_BASE | \
45 PSW32_MASK_MCHECK | PSW32_MASK_PSTATE | \
46 PSW32_ASC_PRIMARY)
47
48#define COMPAT_USER_HZ 100
49#define COMPAT_UTS_MACHINE "s390\0\0\0\0"
50
51typedef u32 compat_size_t;
52typedef s32 compat_ssize_t;
53typedef s32 compat_time_t;
54typedef s32 compat_clock_t;
55typedef s32 compat_pid_t;
56typedef u16 __compat_uid_t;
57typedef u16 __compat_gid_t;
58typedef u32 __compat_uid32_t;
59typedef u32 __compat_gid32_t;
60typedef u16 compat_mode_t;
61typedef u32 compat_ino_t;
62typedef u16 compat_dev_t;
63typedef s32 compat_off_t;
64typedef s64 compat_loff_t;
65typedef u16 compat_nlink_t;
66typedef u16 compat_ipc_pid_t;
67typedef s32 compat_daddr_t;
68typedef u32 compat_caddr_t;
69typedef __kernel_fsid_t compat_fsid_t;
70typedef s32 compat_key_t;
71typedef s32 compat_timer_t;
72
73typedef s32 compat_int_t;
74typedef s32 compat_long_t;
75typedef s64 compat_s64;
76typedef u32 compat_uint_t;
77typedef u32 compat_ulong_t;
78typedef u64 compat_u64;
79typedef u32 compat_uptr_t;
80
81typedef struct {
82 u32 mask;
83 u32 addr;
84} __aligned(8) psw_compat_t;
85
86typedef struct {
87 psw_compat_t psw;
88 u32 gprs[NUM_GPRS];
89 u32 acrs[NUM_ACRS];
90 u32 orig_gpr2;
91} s390_compat_regs;
92
93typedef struct {
94 u32 gprs_high[NUM_GPRS];
95} s390_compat_regs_high;
96
97struct compat_timespec {
98 compat_time_t tv_sec;
99 s32 tv_nsec;
100};
101
102struct compat_timeval {
103 compat_time_t tv_sec;
104 s32 tv_usec;
105};
106
107struct compat_stat {
108 compat_dev_t st_dev;
109 u16 __pad1;
110 compat_ino_t st_ino;
111 compat_mode_t st_mode;
112 compat_nlink_t st_nlink;
113 __compat_uid_t st_uid;
114 __compat_gid_t st_gid;
115 compat_dev_t st_rdev;
116 u16 __pad2;
117 u32 st_size;
118 u32 st_blksize;
119 u32 st_blocks;
120 u32 st_atime;
121 u32 st_atime_nsec;
122 u32 st_mtime;
123 u32 st_mtime_nsec;
124 u32 st_ctime;
125 u32 st_ctime_nsec;
126 u32 __unused4;
127 u32 __unused5;
128};
129
130struct compat_flock {
131 short l_type;
132 short l_whence;
133 compat_off_t l_start;
134 compat_off_t l_len;
135 compat_pid_t l_pid;
136};
137
138#define F_GETLK64 12
139#define F_SETLK64 13
140#define F_SETLKW64 14
141
142struct compat_flock64 {
143 short l_type;
144 short l_whence;
145 compat_loff_t l_start;
146 compat_loff_t l_len;
147 compat_pid_t l_pid;
148};
149
150struct compat_statfs {
151 u32 f_type;
152 u32 f_bsize;
153 u32 f_blocks;
154 u32 f_bfree;
155 u32 f_bavail;
156 u32 f_files;
157 u32 f_ffree;
158 compat_fsid_t f_fsid;
159 u32 f_namelen;
160 u32 f_frsize;
161 u32 f_flags;
162 u32 f_spare[4];
163};
164
165struct compat_statfs64 {
166 u32 f_type;
167 u32 f_bsize;
168 u64 f_blocks;
169 u64 f_bfree;
170 u64 f_bavail;
171 u64 f_files;
172 u64 f_ffree;
173 compat_fsid_t f_fsid;
174 u32 f_namelen;
175 u32 f_frsize;
176 u32 f_flags;
177 u32 f_spare[4];
178};
179
180#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff
181#define COMPAT_RLIM_INFINITY 0xffffffff
182
183typedef u32 compat_old_sigset_t; /* at least 32 bits */
184
185#define _COMPAT_NSIG 64
186#define _COMPAT_NSIG_BPW 32
187
188typedef u32 compat_sigset_word;
189
190typedef union compat_sigval {
191 compat_int_t sival_int;
192 compat_uptr_t sival_ptr;
193} compat_sigval_t;
194
195typedef struct compat_siginfo {
196 int si_signo;
197 int si_errno;
198 int si_code;
199
200 union {
201 int _pad[128/sizeof(int) - 3];
202
203 /* kill() */
204 struct {
205 pid_t _pid; /* sender's pid */
206 uid_t _uid; /* sender's uid */
207 } _kill;
208
209 /* POSIX.1b timers */
210 struct {
211 compat_timer_t _tid; /* timer id */
212 int _overrun; /* overrun count */
213 compat_sigval_t _sigval; /* same as below */
214 int _sys_private; /* not to be passed to user */
215 } _timer;
216
217 /* POSIX.1b signals */
218 struct {
219 pid_t _pid; /* sender's pid */
220 uid_t _uid; /* sender's uid */
221 compat_sigval_t _sigval;
222 } _rt;
223
224 /* SIGCHLD */
225 struct {
226 pid_t _pid; /* which child */
227 uid_t _uid; /* sender's uid */
228 int _status;/* exit code */
229 compat_clock_t _utime;
230 compat_clock_t _stime;
231 } _sigchld;
232
233 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
234 struct {
235 __u32 _addr; /* faulting insn/memory ref. - pointer */
236 } _sigfault;
237
238 /* SIGPOLL */
239 struct {
240 int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
241 int _fd;
242 } _sigpoll;
243 } _sifields;
244} compat_siginfo_t;
245
246/*
247 * How these fields are to be accessed.
248 */
249#define si_pid _sifields._kill._pid
250#define si_uid _sifields._kill._uid
251#define si_status _sifields._sigchld._status
252#define si_utime _sifields._sigchld._utime
253#define si_stime _sifields._sigchld._stime
254#define si_value _sifields._rt._sigval
255#define si_int _sifields._rt._sigval.sival_int
256#define si_ptr _sifields._rt._sigval.sival_ptr
257#define si_addr _sifields._sigfault._addr
258#define si_band _sifields._sigpoll._band
259#define si_fd _sifields._sigpoll._fd
260#define si_tid _sifields._timer._tid
261#define si_overrun _sifields._timer._overrun
262
263#define COMPAT_OFF_T_MAX 0x7fffffff
264#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
265
266/*
267 * A pointer passed in from user mode. This should not
268 * be used for syscall parameters, just declare them
269 * as pointers because the syscall entry code will have
270 * appropriately converted them already.
271 */
272
273static inline void __user *compat_ptr(compat_uptr_t uptr)
274{
275 return (void __user *)(unsigned long)(uptr & 0x7fffffffUL);
276}
277
278static inline compat_uptr_t ptr_to_compat(void __user *uptr)
279{
280 return (u32)(unsigned long)uptr;
281}
282
283#ifdef CONFIG_COMPAT
284
285static inline int is_compat_task(void)
286{
287 return is_32bit_task();
288}
289
290static inline void __user *arch_compat_alloc_user_space(long len)
291{
292 unsigned long stack;
293
294 stack = KSTK_ESP(current);
295 if (is_compat_task())
296 stack &= 0x7fffffffUL;
297 return (void __user *) (stack - len);
298}
299
300#endif
301
302struct compat_ipc64_perm {
303 compat_key_t key;
304 __compat_uid32_t uid;
305 __compat_gid32_t gid;
306 __compat_uid32_t cuid;
307 __compat_gid32_t cgid;
308 compat_mode_t mode;
309 unsigned short __pad1;
310 unsigned short seq;
311 unsigned short __pad2;
312 unsigned int __unused1;
313 unsigned int __unused2;
314};
315
316struct compat_semid64_ds {
317 struct compat_ipc64_perm sem_perm;
318 compat_time_t sem_otime;
319 compat_ulong_t __pad1;
320 compat_time_t sem_ctime;
321 compat_ulong_t __pad2;
322 compat_ulong_t sem_nsems;
323 compat_ulong_t __unused1;
324 compat_ulong_t __unused2;
325};
326
327struct compat_msqid64_ds {
328 struct compat_ipc64_perm msg_perm;
329 compat_time_t msg_stime;
330 compat_ulong_t __pad1;
331 compat_time_t msg_rtime;
332 compat_ulong_t __pad2;
333 compat_time_t msg_ctime;
334 compat_ulong_t __pad3;
335 compat_ulong_t msg_cbytes;
336 compat_ulong_t msg_qnum;
337 compat_ulong_t msg_qbytes;
338 compat_pid_t msg_lspid;
339 compat_pid_t msg_lrpid;
340 compat_ulong_t __unused1;
341 compat_ulong_t __unused2;
342};
343
344struct compat_shmid64_ds {
345 struct compat_ipc64_perm shm_perm;
346 compat_size_t shm_segsz;
347 compat_time_t shm_atime;
348 compat_ulong_t __pad1;
349 compat_time_t shm_dtime;
350 compat_ulong_t __pad2;
351 compat_time_t shm_ctime;
352 compat_ulong_t __pad3;
353 compat_pid_t shm_cpid;
354 compat_pid_t shm_lpid;
355 compat_ulong_t shm_nattch;
356 compat_ulong_t __unused1;
357 compat_ulong_t __unused2;
358};
359#endif /* _ASM_S390X_COMPAT_H */