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1#ifndef _ASM_IA64_COMPAT_H
2#define _ASM_IA64_COMPAT_H
3/*
4 * Architecture specific compatibility types
5 */
6#include <linux/types.h>
7
8#define COMPAT_USER_HZ 100
9
10typedef u32 compat_size_t;
11typedef s32 compat_ssize_t;
12typedef s32 compat_time_t;
13typedef s32 compat_clock_t;
14typedef s32 compat_key_t;
15typedef s32 compat_pid_t;
16typedef u16 __compat_uid_t;
17typedef u16 __compat_gid_t;
18typedef u32 __compat_uid32_t;
19typedef u32 __compat_gid32_t;
20typedef u16 compat_mode_t;
21typedef u32 compat_ino_t;
22typedef u16 compat_dev_t;
23typedef s32 compat_off_t;
24typedef s64 compat_loff_t;
25typedef u16 compat_nlink_t;
26typedef u16 compat_ipc_pid_t;
27typedef s32 compat_daddr_t;
28typedef u32 compat_caddr_t;
29typedef __kernel_fsid_t compat_fsid_t;
30typedef s32 compat_timer_t;
31
32typedef s32 compat_int_t;
33typedef s32 compat_long_t;
34typedef u32 compat_uint_t;
35typedef u32 compat_ulong_t;
36
37struct compat_timespec {
38 compat_time_t tv_sec;
39 s32 tv_nsec;
40};
41
42struct compat_timeval {
43 compat_time_t tv_sec;
44 s32 tv_usec;
45};
46
47struct compat_stat {
48 compat_dev_t st_dev;
49 u16 __pad1;
50 compat_ino_t st_ino;
51 compat_mode_t st_mode;
52 compat_nlink_t st_nlink;
53 __compat_uid_t st_uid;
54 __compat_gid_t st_gid;
55 compat_dev_t st_rdev;
56 u16 __pad2;
57 u32 st_size;
58 u32 st_blksize;
59 u32 st_blocks;
60 u32 st_atime;
61 u32 st_atime_nsec;
62 u32 st_mtime;
63 u32 st_mtime_nsec;
64 u32 st_ctime;
65 u32 st_ctime_nsec;
66 u32 __unused4;
67 u32 __unused5;
68};
69
70struct compat_flock {
71 short l_type;
72 short l_whence;
73 compat_off_t l_start;
74 compat_off_t l_len;
75 compat_pid_t l_pid;
76};
77
78#define F_GETLK64 12
79#define F_SETLK64 13
80#define F_SETLKW64 14
81
82/*
83 * IA32 uses 4 byte alignment for 64 bit quantities,
84 * so we need to pack this structure.
85 */
86struct compat_flock64 {
87 short l_type;
88 short l_whence;
89 compat_loff_t l_start;
90 compat_loff_t l_len;
91 compat_pid_t l_pid;
92} __attribute__((packed));
93
94struct compat_statfs {
95 int f_type;
96 int f_bsize;
97 int f_blocks;
98 int f_bfree;
99 int f_bavail;
100 int f_files;
101 int f_ffree;
102 compat_fsid_t f_fsid;
103 int f_namelen; /* SunOS ignores this field. */
104 int f_frsize;
105 int f_spare[5];
106};
107
108#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff
109#define COMPAT_RLIM_INFINITY 0xffffffff
110
111typedef u32 compat_old_sigset_t; /* at least 32 bits */
112
113#define _COMPAT_NSIG 64
114#define _COMPAT_NSIG_BPW 32
115
116typedef u32 compat_sigset_word;
117
118#define COMPAT_OFF_T_MAX 0x7fffffff
119#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
120
121struct compat_ipc64_perm {
122 compat_key_t key;
123 __compat_uid32_t uid;
124 __compat_gid32_t gid;
125 __compat_uid32_t cuid;
126 __compat_gid32_t cgid;
127 unsigned short mode;
128 unsigned short __pad1;
129 unsigned short seq;
130 unsigned short __pad2;
131 compat_ulong_t unused1;
132 compat_ulong_t unused2;
133};
134
135struct compat_semid64_ds {
136 struct compat_ipc64_perm sem_perm;
137 compat_time_t sem_otime;
138 compat_ulong_t __unused1;
139 compat_time_t sem_ctime;
140 compat_ulong_t __unused2;
141 compat_ulong_t sem_nsems;
142 compat_ulong_t __unused3;
143 compat_ulong_t __unused4;
144};
145
146struct compat_msqid64_ds {
147 struct compat_ipc64_perm msg_perm;
148 compat_time_t msg_stime;
149 compat_ulong_t __unused1;
150 compat_time_t msg_rtime;
151 compat_ulong_t __unused2;
152 compat_time_t msg_ctime;
153 compat_ulong_t __unused3;
154 compat_ulong_t msg_cbytes;
155 compat_ulong_t msg_qnum;
156 compat_ulong_t msg_qbytes;
157 compat_pid_t msg_lspid;
158 compat_pid_t msg_lrpid;
159 compat_ulong_t __unused4;
160 compat_ulong_t __unused5;
161};
162
163struct compat_shmid64_ds {
164 struct compat_ipc64_perm shm_perm;
165 compat_size_t shm_segsz;
166 compat_time_t shm_atime;
167 compat_ulong_t __unused1;
168 compat_time_t shm_dtime;
169 compat_ulong_t __unused2;
170 compat_time_t shm_ctime;
171 compat_ulong_t __unused3;
172 compat_pid_t shm_cpid;
173 compat_pid_t shm_lpid;
174 compat_ulong_t shm_nattch;
175 compat_ulong_t __unused4;
176 compat_ulong_t __unused5;
177};
178
179/*
180 * A pointer passed in from user mode. This should not be used for syscall parameters,
181 * just declare them as pointers because the syscall entry code will have appropriately
182 * comverted them already.
183 */
184typedef u32 compat_uptr_t;
185
186static inline void __user *
187compat_ptr (compat_uptr_t uptr)
188{
189 return (void __user *) (unsigned long) uptr;
190}
191
192static __inline__ void __user *
193compat_alloc_user_space (long len)
194{
195 struct pt_regs *regs = ia64_task_regs(current);
196 return (void __user *) (((regs->r12 & 0xffffffff) & -16) - len);
197}
198
199#endif /* _ASM_IA64_COMPAT_H */