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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 | |
c1821c2e GS |
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_MCHECK 0x00040000UL | |
16 | #define PSW32_MASK_WAIT 0x00020000UL | |
17 | #define PSW32_MASK_PSTATE 0x00010000UL | |
18 | #define PSW32_MASK_ASC 0x0000C000UL | |
19 | #define PSW32_MASK_CC 0x00003000UL | |
20 | #define PSW32_MASK_PM 0x00000f00UL | |
21 | ||
22 | #define PSW32_ADDR_AMODE31 0x80000000UL | |
23 | #define PSW32_ADDR_INSN 0x7FFFFFFFUL | |
24 | ||
25 | #define PSW32_BASE_BITS 0x00080000UL | |
26 | ||
27 | #define PSW32_ASC_PRIMARY 0x00000000UL | |
28 | #define PSW32_ASC_ACCREG 0x00004000UL | |
29 | #define PSW32_ASC_SECONDARY 0x00008000UL | |
30 | #define PSW32_ASC_HOME 0x0000C000UL | |
31 | ||
32 | #define PSW32_MASK_MERGE(CURRENT,NEW) \ | |
33 | (((CURRENT) & ~(PSW32_MASK_CC|PSW32_MASK_PM)) | \ | |
34 | ((NEW) & (PSW32_MASK_CC|PSW32_MASK_PM))) | |
35 | ||
36 | extern long psw32_user_bits; | |
37 | ||
e28cbf22 CH |
38 | #define COMPAT_USER_HZ 100 |
39 | #define COMPAT_UTS_MACHINE "s390\0\0\0\0" | |
1da177e4 LT |
40 | |
41 | typedef u32 compat_size_t; | |
42 | typedef s32 compat_ssize_t; | |
43 | typedef s32 compat_time_t; | |
44 | typedef s32 compat_clock_t; | |
45 | typedef s32 compat_pid_t; | |
202e5979 SR |
46 | typedef u16 __compat_uid_t; |
47 | typedef u16 __compat_gid_t; | |
48 | typedef u32 __compat_uid32_t; | |
49 | typedef u32 __compat_gid32_t; | |
1da177e4 LT |
50 | typedef u16 compat_mode_t; |
51 | typedef u32 compat_ino_t; | |
52 | typedef u16 compat_dev_t; | |
53 | typedef s32 compat_off_t; | |
54 | typedef s64 compat_loff_t; | |
55 | typedef u16 compat_nlink_t; | |
56 | typedef u16 compat_ipc_pid_t; | |
57 | typedef s32 compat_daddr_t; | |
58 | typedef u32 compat_caddr_t; | |
59 | typedef __kernel_fsid_t compat_fsid_t; | |
60 | typedef s32 compat_key_t; | |
61 | typedef s32 compat_timer_t; | |
62 | ||
63 | typedef s32 compat_int_t; | |
64 | typedef s32 compat_long_t; | |
4b777587 | 65 | typedef s64 compat_s64; |
1da177e4 LT |
66 | typedef u32 compat_uint_t; |
67 | typedef u32 compat_ulong_t; | |
4b777587 | 68 | typedef u64 compat_u64; |
1da177e4 LT |
69 | |
70 | struct compat_timespec { | |
71 | compat_time_t tv_sec; | |
72 | s32 tv_nsec; | |
73 | }; | |
74 | ||
75 | struct compat_timeval { | |
76 | compat_time_t tv_sec; | |
77 | s32 tv_usec; | |
78 | }; | |
79 | ||
80 | struct compat_stat { | |
81 | compat_dev_t st_dev; | |
82 | u16 __pad1; | |
83 | compat_ino_t st_ino; | |
84 | compat_mode_t st_mode; | |
85 | compat_nlink_t st_nlink; | |
202e5979 SR |
86 | __compat_uid_t st_uid; |
87 | __compat_gid_t st_gid; | |
1da177e4 LT |
88 | compat_dev_t st_rdev; |
89 | u16 __pad2; | |
90 | u32 st_size; | |
91 | u32 st_blksize; | |
92 | u32 st_blocks; | |
93 | u32 st_atime; | |
94 | u32 st_atime_nsec; | |
95 | u32 st_mtime; | |
96 | u32 st_mtime_nsec; | |
97 | u32 st_ctime; | |
98 | u32 st_ctime_nsec; | |
99 | u32 __unused4; | |
100 | u32 __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 | }; | |
110 | ||
111 | #define F_GETLK64 12 | |
112 | #define F_SETLK64 13 | |
113 | #define F_SETLKW64 14 | |
114 | ||
115 | struct compat_flock64 { | |
116 | short l_type; | |
117 | short l_whence; | |
118 | compat_loff_t l_start; | |
119 | compat_loff_t l_len; | |
120 | compat_pid_t l_pid; | |
121 | }; | |
122 | ||
123 | struct compat_statfs { | |
124 | s32 f_type; | |
125 | s32 f_bsize; | |
126 | s32 f_blocks; | |
127 | s32 f_bfree; | |
128 | s32 f_bavail; | |
129 | s32 f_files; | |
130 | s32 f_ffree; | |
131 | compat_fsid_t f_fsid; | |
132 | s32 f_namelen; | |
133 | s32 f_frsize; | |
134 | s32 f_spare[6]; | |
135 | }; | |
136 | ||
137 | #define COMPAT_RLIM_OLD_INFINITY 0x7fffffff | |
138 | #define COMPAT_RLIM_INFINITY 0xffffffff | |
139 | ||
140 | typedef u32 compat_old_sigset_t; /* at least 32 bits */ | |
141 | ||
142 | #define _COMPAT_NSIG 64 | |
143 | #define _COMPAT_NSIG_BPW 32 | |
144 | ||
145 | typedef 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 | |
8b3de0df | 154 | * appropriately converted them already. |
1da177e4 LT |
155 | */ |
156 | typedef u32 compat_uptr_t; | |
157 | ||
158 | static inline void __user *compat_ptr(compat_uptr_t uptr) | |
159 | { | |
160 | return (void __user *)(unsigned long)(uptr & 0x7fffffffUL); | |
161 | } | |
162 | ||
f267fa9f IM |
163 | static inline compat_uptr_t ptr_to_compat(void __user *uptr) |
164 | { | |
165 | return (u32)(unsigned long)uptr; | |
166 | } | |
167 | ||
7757591a HC |
168 | #ifdef CONFIG_COMPAT |
169 | ||
170 | static inline int is_compat_task(void) | |
171 | { | |
172 | return test_thread_flag(TIF_31BIT); | |
173 | } | |
174 | ||
175 | #else | |
176 | ||
177 | static inline int is_compat_task(void) | |
178 | { | |
179 | return 0; | |
180 | } | |
181 | ||
182 | #endif | |
183 | ||
c41d68a5 | 184 | static inline void __user *arch_compat_alloc_user_space(long len) |
1da177e4 LT |
185 | { |
186 | unsigned long stack; | |
187 | ||
188 | stack = KSTK_ESP(current); | |
7757591a | 189 | if (is_compat_task()) |
1da177e4 LT |
190 | stack &= 0x7fffffffUL; |
191 | return (void __user *) (stack - len); | |
192 | } | |
193 | ||
194 | struct compat_ipc64_perm { | |
195 | compat_key_t key; | |
202e5979 SR |
196 | __compat_uid32_t uid; |
197 | __compat_gid32_t gid; | |
198 | __compat_uid32_t cuid; | |
199 | __compat_gid32_t cgid; | |
1da177e4 LT |
200 | compat_mode_t mode; |
201 | unsigned short __pad1; | |
202 | unsigned short seq; | |
203 | unsigned short __pad2; | |
204 | unsigned int __unused1; | |
205 | unsigned int __unused2; | |
206 | }; | |
207 | ||
208 | struct compat_semid64_ds { | |
209 | struct compat_ipc64_perm sem_perm; | |
210 | compat_time_t sem_otime; | |
211 | compat_ulong_t __pad1; | |
212 | compat_time_t sem_ctime; | |
213 | compat_ulong_t __pad2; | |
214 | compat_ulong_t sem_nsems; | |
215 | compat_ulong_t __unused1; | |
216 | compat_ulong_t __unused2; | |
217 | }; | |
218 | ||
219 | struct compat_msqid64_ds { | |
220 | struct compat_ipc64_perm msg_perm; | |
221 | compat_time_t msg_stime; | |
222 | compat_ulong_t __pad1; | |
223 | compat_time_t msg_rtime; | |
224 | compat_ulong_t __pad2; | |
225 | compat_time_t msg_ctime; | |
226 | compat_ulong_t __pad3; | |
227 | compat_ulong_t msg_cbytes; | |
228 | compat_ulong_t msg_qnum; | |
229 | compat_ulong_t msg_qbytes; | |
230 | compat_pid_t msg_lspid; | |
231 | compat_pid_t msg_lrpid; | |
232 | compat_ulong_t __unused1; | |
233 | compat_ulong_t __unused2; | |
234 | }; | |
235 | ||
236 | struct compat_shmid64_ds { | |
237 | struct compat_ipc64_perm shm_perm; | |
238 | compat_size_t shm_segsz; | |
239 | compat_time_t shm_atime; | |
240 | compat_ulong_t __pad1; | |
241 | compat_time_t shm_dtime; | |
242 | compat_ulong_t __pad2; | |
243 | compat_time_t shm_ctime; | |
244 | compat_ulong_t __pad3; | |
245 | compat_pid_t shm_cpid; | |
246 | compat_pid_t shm_lpid; | |
247 | compat_ulong_t shm_nattch; | |
248 | compat_ulong_t __unused1; | |
249 | compat_ulong_t __unused2; | |
250 | }; | |
251 | #endif /* _ASM_S390X_COMPAT_H */ |