compat: fix compile breakage on s390
[linux-2.6.git] / arch / s390 / include / asm / 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 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
35 extern u32 psw32_user_bits;
36
37 #define COMPAT_USER_HZ          100
38 #define COMPAT_UTS_MACHINE      "s390\0\0\0\0"
39
40 typedef u32             compat_size_t;
41 typedef s32             compat_ssize_t;
42 typedef s32             compat_time_t;
43 typedef s32             compat_clock_t;
44 typedef s32             compat_pid_t;
45 typedef u16             __compat_uid_t;
46 typedef u16             __compat_gid_t;
47 typedef u32             __compat_uid32_t;
48 typedef u32             __compat_gid32_t;
49 typedef u16             compat_mode_t;
50 typedef u32             compat_ino_t;
51 typedef u16             compat_dev_t;
52 typedef s32             compat_off_t;
53 typedef s64             compat_loff_t;
54 typedef u16             compat_nlink_t;
55 typedef u16             compat_ipc_pid_t;
56 typedef s32             compat_daddr_t;
57 typedef u32             compat_caddr_t;
58 typedef __kernel_fsid_t compat_fsid_t;
59 typedef s32             compat_key_t;
60 typedef s32             compat_timer_t;
61
62 typedef s32             compat_int_t;
63 typedef s32             compat_long_t;
64 typedef s64             compat_s64;
65 typedef u32             compat_uint_t;
66 typedef u32             compat_ulong_t;
67 typedef u64             compat_u64;
68
69 struct compat_timespec {
70         compat_time_t   tv_sec;
71         s32             tv_nsec;
72 };
73
74 struct compat_timeval {
75         compat_time_t   tv_sec;
76         s32             tv_usec;
77 };
78
79 struct 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
102 struct 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
114 struct 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
122 struct 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
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
154  * appropriately converted them already.
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
163 static inline compat_uptr_t ptr_to_compat(void __user *uptr)
164 {
165         return (u32)(unsigned long)uptr;
166 }
167
168 #ifdef CONFIG_COMPAT
169
170 static inline int is_compat_task(void)
171 {
172         return is_32bit_task();
173 }
174
175 #endif
176
177 static 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
187 struct 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
201 struct 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
212 struct 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
229 struct 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 */