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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#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
Gerald Schaeferc1821c22007-02-05 21:18:17 +01009#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
Linus Torvalds1da177e2005-04-16 15:20:36 -070037#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;
Stephen Rothwell202e5972005-09-06 15:16:40 -070044typedef u16 __compat_uid_t;
45typedef u16 __compat_gid_t;
46typedef u32 __compat_uid32_t;
47typedef u32 __compat_gid32_t;
Linus Torvalds1da177e2005-04-16 15:20:36 -070048typedef 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 u32 compat_uint_t;
64typedef u32 compat_ulong_t;
65
66struct compat_timespec {
67 compat_time_t tv_sec;
68 s32 tv_nsec;
69};
70
71struct compat_timeval {
72 compat_time_t tv_sec;
73 s32 tv_usec;
74};
75
76struct compat_stat {
77 compat_dev_t st_dev;
78 u16 __pad1;
79 compat_ino_t st_ino;
80 compat_mode_t st_mode;
81 compat_nlink_t st_nlink;
Stephen Rothwell202e5972005-09-06 15:16:40 -070082 __compat_uid_t st_uid;
83 __compat_gid_t st_gid;
Linus Torvalds1da177e2005-04-16 15:20:36 -070084 compat_dev_t st_rdev;
85 u16 __pad2;
86 u32 st_size;
87 u32 st_blksize;
88 u32 st_blocks;
89 u32 st_atime;
90 u32 st_atime_nsec;
91 u32 st_mtime;
92 u32 st_mtime_nsec;
93 u32 st_ctime;
94 u32 st_ctime_nsec;
95 u32 __unused4;
96 u32 __unused5;
97};
98
99struct compat_flock {
100 short l_type;
101 short l_whence;
102 compat_off_t l_start;
103 compat_off_t l_len;
104 compat_pid_t l_pid;
105};
106
107#define F_GETLK64 12
108#define F_SETLK64 13
109#define F_SETLKW64 14
110
111struct compat_flock64 {
112 short l_type;
113 short l_whence;
114 compat_loff_t l_start;
115 compat_loff_t l_len;
116 compat_pid_t l_pid;
117};
118
119struct compat_statfs {
120 s32 f_type;
121 s32 f_bsize;
122 s32 f_blocks;
123 s32 f_bfree;
124 s32 f_bavail;
125 s32 f_files;
126 s32 f_ffree;
127 compat_fsid_t f_fsid;
128 s32 f_namelen;
129 s32 f_frsize;
130 s32 f_spare[6];
131};
132
133#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff
134#define COMPAT_RLIM_INFINITY 0xffffffff
135
136typedef u32 compat_old_sigset_t; /* at least 32 bits */
137
138#define _COMPAT_NSIG 64
139#define _COMPAT_NSIG_BPW 32
140
141typedef u32 compat_sigset_word;
142
143#define COMPAT_OFF_T_MAX 0x7fffffff
144#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
145
146/*
147 * A pointer passed in from user mode. This should not
148 * be used for syscall parameters, just declare them
149 * as pointers because the syscall entry code will have
150 * appropriately comverted them already.
151 */
152typedef u32 compat_uptr_t;
153
154static inline void __user *compat_ptr(compat_uptr_t uptr)
155{
156 return (void __user *)(unsigned long)(uptr & 0x7fffffffUL);
157}
158
Ingo Molnarf267fa92006-03-27 01:16:09 -0800159static inline compat_uptr_t ptr_to_compat(void __user *uptr)
160{
161 return (u32)(unsigned long)uptr;
162}
163
Linus Torvalds1da177e2005-04-16 15:20:36 -0700164static inline void __user *compat_alloc_user_space(long len)
165{
166 unsigned long stack;
167
168 stack = KSTK_ESP(current);
169 if (test_thread_flag(TIF_31BIT))
170 stack &= 0x7fffffffUL;
171 return (void __user *) (stack - len);
172}
173
174struct compat_ipc64_perm {
175 compat_key_t key;
Stephen Rothwell202e5972005-09-06 15:16:40 -0700176 __compat_uid32_t uid;
177 __compat_gid32_t gid;
178 __compat_uid32_t cuid;
179 __compat_gid32_t cgid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700180 compat_mode_t mode;
181 unsigned short __pad1;
182 unsigned short seq;
183 unsigned short __pad2;
184 unsigned int __unused1;
185 unsigned int __unused2;
186};
187
188struct compat_semid64_ds {
189 struct compat_ipc64_perm sem_perm;
190 compat_time_t sem_otime;
191 compat_ulong_t __pad1;
192 compat_time_t sem_ctime;
193 compat_ulong_t __pad2;
194 compat_ulong_t sem_nsems;
195 compat_ulong_t __unused1;
196 compat_ulong_t __unused2;
197};
198
199struct compat_msqid64_ds {
200 struct compat_ipc64_perm msg_perm;
201 compat_time_t msg_stime;
202 compat_ulong_t __pad1;
203 compat_time_t msg_rtime;
204 compat_ulong_t __pad2;
205 compat_time_t msg_ctime;
206 compat_ulong_t __pad3;
207 compat_ulong_t msg_cbytes;
208 compat_ulong_t msg_qnum;
209 compat_ulong_t msg_qbytes;
210 compat_pid_t msg_lspid;
211 compat_pid_t msg_lrpid;
212 compat_ulong_t __unused1;
213 compat_ulong_t __unused2;
214};
215
216struct compat_shmid64_ds {
217 struct compat_ipc64_perm shm_perm;
218 compat_size_t shm_segsz;
219 compat_time_t shm_atime;
220 compat_ulong_t __pad1;
221 compat_time_t shm_dtime;
222 compat_ulong_t __pad2;
223 compat_time_t shm_ctime;
224 compat_ulong_t __pad3;
225 compat_pid_t shm_cpid;
226 compat_pid_t shm_lpid;
227 compat_ulong_t shm_nattch;
228 compat_ulong_t __unused1;
229 compat_ulong_t __unused2;
230};
231#endif /* _ASM_S390X_COMPAT_H */