aboutsummaryrefslogtreecommitdiffstats
path: root/arch/s390/include/asm/compat.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/include/asm/compat.h')
-rw-r--r--arch/s390/include/asm/compat.h233
1 files changed, 233 insertions, 0 deletions
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
new file mode 100644
index 000000000000..de065b32381a
--- /dev/null
+++ b/arch/s390/include/asm/compat.h
@@ -0,0 +1,233 @@
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
9#define PSW32_MASK_PER 0x40000000UL
10#define PSW32_MASK_DAT 0x04000000UL
11#define PSW32_MASK_IO 0x02000000UL
12#define PSW32_MASK_EXT 0x01000000UL
13#define PSW32_MASK_KEY 0x00F00000UL
14#define PSW32_MASK_MCHECK 0x00040000UL
15#define PSW32_MASK_WAIT 0x00020000UL
16#define PSW32_MASK_PSTATE 0x00010000UL
17#define PSW32_MASK_ASC 0x0000C000UL
18#define PSW32_MASK_CC 0x00003000UL
19#define PSW32_MASK_PM 0x00000f00UL
20
21#define PSW32_ADDR_AMODE31 0x80000000UL
22#define PSW32_ADDR_INSN 0x7FFFFFFFUL
23
24#define PSW32_BASE_BITS 0x00080000UL
25
26#define PSW32_ASC_PRIMARY 0x00000000UL
27#define PSW32_ASC_ACCREG 0x00004000UL
28#define PSW32_ASC_SECONDARY 0x00008000UL
29#define PSW32_ASC_HOME 0x0000C000UL
30
31#define PSW32_MASK_MERGE(CURRENT,NEW) \
32 (((CURRENT) & ~(PSW32_MASK_CC|PSW32_MASK_PM)) | \
33 ((NEW) & (PSW32_MASK_CC|PSW32_MASK_PM)))
34
35extern long psw32_user_bits;
36
37#define COMPAT_USER_HZ 100
38
39typedef u32 compat_size_t;
40typedef s32 compat_ssize_t;
41typedef s32 compat_time_t;
42typedef s32 compat_clock_t;
43typedef s32 compat_pid_t;
44typedef u16 __compat_uid_t;
45typedef u16 __compat_gid_t;
46typedef u32 __compat_uid32_t;
47typedef u32 __compat_gid32_t;
48typedef u16 compat_mode_t;
49typedef u32 compat_ino_t;
50typedef u16 compat_dev_t;
51typedef s32 compat_off_t;
52typedef s64 compat_loff_t;
53typedef u16 compat_nlink_t;
54typedef u16 compat_ipc_pid_t;
55typedef s32 compat_daddr_t;
56typedef u32 compat_caddr_t;
57typedef __kernel_fsid_t compat_fsid_t;
58typedef s32 compat_key_t;
59typedef s32 compat_timer_t;
60
61typedef s32 compat_int_t;
62typedef s32 compat_long_t;
63typedef s64 compat_s64;
64typedef u32 compat_uint_t;
65typedef u32 compat_ulong_t;
66typedef u64 compat_u64;
67
68struct compat_timespec {
69 compat_time_t tv_sec;
70 s32 tv_nsec;
71};
72
73struct compat_timeval {
74 compat_time_t tv_sec;
75 s32 tv_usec;
76};
77
78struct compat_stat {
79 compat_dev_t st_dev;
80 u16 __pad1;
81 compat_ino_t st_ino;
82 compat_mode_t st_mode;
83 compat_nlink_t st_nlink;
84 __compat_uid_t st_uid;
85 __compat_gid_t st_gid;
86 compat_dev_t st_rdev;
87 u16 __pad2;
88 u32 st_size;
89 u32 st_blksize;
90 u32 st_blocks;
91 u32 st_atime;
92 u32 st_atime_nsec;
93 u32 st_mtime;
94 u32 st_mtime_nsec;
95 u32 st_ctime;
96 u32 st_ctime_nsec;
97 u32 __unused4;
98 u32 __unused5;
99};
100
101struct 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};
108
109#define F_GETLK64 12
110#define F_SETLK64 13
111#define F_SETLKW64 14
112
113struct compat_flock64 {
114 short l_type;
115 short l_whence;
116 compat_loff_t l_start;
117 compat_loff_t l_len;
118 compat_pid_t l_pid;
119};
120
121struct compat_statfs {
122 s32 f_type;
123 s32 f_bsize;
124 s32 f_blocks;
125 s32 f_bfree;
126 s32 f_bavail;
127 s32 f_files;
128 s32 f_ffree;
129 compat_fsid_t f_fsid;
130 s32 f_namelen;
131 s32 f_frsize;
132 s32 f_spare[6];
133};
134
135#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff
136#define COMPAT_RLIM_INFINITY 0xffffffff
137
138typedef u32 compat_old_sigset_t; /* at least 32 bits */
139
140#define _COMPAT_NSIG 64
141#define _COMPAT_NSIG_BPW 32
142
143typedef u32 compat_sigset_word;
144
145#define COMPAT_OFF_T_MAX 0x7fffffff
146#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
147
148/*
149 * A pointer passed in from user mode. This should not
150 * be used for syscall parameters, just declare them
151 * as pointers because the syscall entry code will have
152 * appropriately converted them already.
153 */
154typedef u32 compat_uptr_t;
155
156static inline void __user *compat_ptr(compat_uptr_t uptr)
157{
158 return (void __user *)(unsigned long)(uptr & 0x7fffffffUL);
159}
160
161static inline compat_uptr_t ptr_to_compat(void __user *uptr)
162{
163 return (u32)(unsigned long)uptr;
164}
165
166static inline void __user *compat_alloc_user_space(long len)
167{
168 unsigned long stack;
169
170 stack = KSTK_ESP(current);
171 if (test_thread_flag(TIF_31BIT))
172 stack &= 0x7fffffffUL;
173 return (void __user *) (stack - len);
174}
175
176struct compat_ipc64_perm {
177 compat_key_t key;
178 __compat_uid32_t uid;
179 __compat_gid32_t gid;
180 __compat_uid32_t cuid;
181 __compat_gid32_t cgid;
182 compat_mode_t mode;
183 unsigned short __pad1;
184 unsigned short seq;
185 unsigned short __pad2;
186 unsigned int __unused1;
187 unsigned int __unused2;
188};
189
190struct compat_semid64_ds {
191 struct compat_ipc64_perm sem_perm;
192 compat_time_t sem_otime;
193 compat_ulong_t __pad1;
194 compat_time_t sem_ctime;
195 compat_ulong_t __pad2;
196 compat_ulong_t sem_nsems;
197 compat_ulong_t __unused1;
198 compat_ulong_t __unused2;
199};
200
201struct compat_msqid64_ds {
202 struct compat_ipc64_perm msg_perm;
203 compat_time_t msg_stime;
204 compat_ulong_t __pad1;
205 compat_time_t msg_rtime;
206 compat_ulong_t __pad2;
207 compat_time_t msg_ctime;
208 compat_ulong_t __pad3;
209 compat_ulong_t msg_cbytes;
210 compat_ulong_t msg_qnum;
211 compat_ulong_t msg_qbytes;
212 compat_pid_t msg_lspid;
213 compat_pid_t msg_lrpid;
214 compat_ulong_t __unused1;
215 compat_ulong_t __unused2;
216};
217
218struct compat_shmid64_ds {
219 struct compat_ipc64_perm shm_perm;
220 compat_size_t shm_segsz;
221 compat_time_t shm_atime;
222 compat_ulong_t __pad1;
223 compat_time_t shm_dtime;
224 compat_ulong_t __pad2;
225 compat_time_t shm_ctime;
226 compat_ulong_t __pad3;
227 compat_pid_t shm_cpid;
228 compat_pid_t shm_lpid;
229 compat_ulong_t shm_nattch;
230 compat_ulong_t __unused1;
231 compat_ulong_t __unused2;
232};
233#endif /* _ASM_S390X_COMPAT_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-15 21:23:36 -0500