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1da177e4 LT |
1 | #ifndef _ASM_PPC64_COMPAT_H |
2 | #define _ASM_PPC64_COMPAT_H | |
3 | /* | |
4 | * Architecture specific compatibility types | |
5 | */ | |
6 | #include <linux/types.h> | |
7 | #include <linux/sched.h> | |
8 | ||
9 | #define COMPAT_USER_HZ 100 | |
10 | ||
11 | typedef u32 compat_size_t; | |
12 | typedef s32 compat_ssize_t; | |
13 | typedef s32 compat_time_t; | |
14 | typedef s32 compat_clock_t; | |
15 | typedef s32 compat_pid_t; | |
16 | typedef u32 compat_uid_t; | |
17 | typedef u32 compat_gid_t; | |
18 | typedef u32 compat_mode_t; | |
19 | typedef u32 compat_ino_t; | |
20 | typedef u32 compat_dev_t; | |
21 | typedef s32 compat_off_t; | |
22 | typedef s64 compat_loff_t; | |
23 | typedef s16 compat_nlink_t; | |
24 | typedef u16 compat_ipc_pid_t; | |
25 | typedef s32 compat_daddr_t; | |
26 | typedef u32 compat_caddr_t; | |
27 | typedef __kernel_fsid_t compat_fsid_t; | |
28 | typedef s32 compat_key_t; | |
29 | ||
30 | typedef s32 compat_int_t; | |
31 | typedef s32 compat_long_t; | |
32 | typedef u32 compat_uint_t; | |
33 | typedef u32 compat_ulong_t; | |
34 | ||
35 | struct compat_timespec { | |
36 | compat_time_t tv_sec; | |
37 | s32 tv_nsec; | |
38 | }; | |
39 | ||
40 | struct compat_timeval { | |
41 | compat_time_t tv_sec; | |
42 | s32 tv_usec; | |
43 | }; | |
44 | ||
45 | struct compat_stat { | |
46 | compat_dev_t st_dev; | |
47 | compat_ino_t st_ino; | |
48 | compat_mode_t st_mode; | |
49 | compat_nlink_t st_nlink; | |
50 | compat_uid_t st_uid; | |
51 | compat_gid_t st_gid; | |
52 | compat_dev_t st_rdev; | |
53 | compat_off_t st_size; | |
54 | compat_off_t st_blksize; | |
55 | compat_off_t st_blocks; | |
56 | compat_time_t st_atime; | |
57 | u32 st_atime_nsec; | |
58 | compat_time_t st_mtime; | |
59 | u32 st_mtime_nsec; | |
60 | compat_time_t st_ctime; | |
61 | u32 st_ctime_nsec; | |
62 | u32 __unused4[2]; | |
63 | }; | |
64 | ||
65 | struct compat_flock { | |
66 | short l_type; | |
67 | short l_whence; | |
68 | compat_off_t l_start; | |
69 | compat_off_t l_len; | |
70 | compat_pid_t l_pid; | |
71 | }; | |
72 | ||
73 | #define F_GETLK64 12 /* using 'struct flock64' */ | |
74 | #define F_SETLK64 13 | |
75 | #define F_SETLKW64 14 | |
76 | ||
77 | struct compat_flock64 { | |
78 | short l_type; | |
79 | short l_whence; | |
80 | compat_loff_t l_start; | |
81 | compat_loff_t l_len; | |
82 | compat_pid_t l_pid; | |
83 | }; | |
84 | ||
85 | struct compat_statfs { | |
86 | int f_type; | |
87 | int f_bsize; | |
88 | int f_blocks; | |
89 | int f_bfree; | |
90 | int f_bavail; | |
91 | int f_files; | |
92 | int f_ffree; | |
93 | compat_fsid_t f_fsid; | |
94 | int f_namelen; /* SunOS ignores this field. */ | |
95 | int f_frsize; | |
96 | int f_spare[5]; | |
97 | }; | |
98 | ||
99 | #define COMPAT_RLIM_OLD_INFINITY 0x7fffffff | |
100 | #define COMPAT_RLIM_INFINITY 0xffffffff | |
101 | ||
102 | typedef u32 compat_old_sigset_t; | |
103 | ||
104 | #define _COMPAT_NSIG 64 | |
105 | #define _COMPAT_NSIG_BPW 32 | |
106 | ||
107 | typedef u32 compat_sigset_word; | |
108 | ||
109 | #define COMPAT_OFF_T_MAX 0x7fffffff | |
110 | #define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL | |
111 | ||
112 | /* | |
113 | * A pointer passed in from user mode. This should not | |
114 | * be used for syscall parameters, just declare them | |
115 | * as pointers because the syscall entry code will have | |
116 | * appropriately comverted them already. | |
117 | */ | |
118 | typedef u32 compat_uptr_t; | |
119 | ||
120 | static inline void __user *compat_ptr(compat_uptr_t uptr) | |
121 | { | |
122 | return (void __user *)(unsigned long)uptr; | |
123 | } | |
124 | ||
125 | static inline void __user *compat_alloc_user_space(long len) | |
126 | { | |
127 | struct pt_regs *regs = current->thread.regs; | |
128 | unsigned long usp = regs->gpr[1]; | |
129 | ||
130 | /* | |
131 | * We cant access below the stack pointer in the 32bit ABI and | |
132 | * can access 288 bytes in the 64bit ABI | |
133 | */ | |
134 | if (!(test_thread_flag(TIF_32BIT))) | |
135 | usp -= 288; | |
136 | ||
137 | return (void __user *) (usp - len); | |
138 | } | |
139 | ||
140 | /* | |
141 | * ipc64_perm is actually 32/64bit clean but since the compat layer refers to | |
142 | * it we may as well define it. | |
143 | */ | |
144 | struct compat_ipc64_perm { | |
145 | compat_key_t key; | |
146 | compat_uid_t uid; | |
147 | compat_gid_t gid; | |
148 | compat_uid_t cuid; | |
149 | compat_gid_t cgid; | |
150 | compat_mode_t mode; | |
151 | unsigned int seq; | |
152 | unsigned int __pad2; | |
153 | unsigned long __unused1; /* yes they really are 64bit pads */ | |
154 | unsigned long __unused2; | |
155 | }; | |
156 | ||
157 | struct compat_semid64_ds { | |
158 | struct compat_ipc64_perm sem_perm; | |
159 | unsigned int __unused1; | |
160 | compat_time_t sem_otime; | |
161 | unsigned int __unused2; | |
162 | compat_time_t sem_ctime; | |
163 | compat_ulong_t sem_nsems; | |
164 | compat_ulong_t __unused3; | |
165 | compat_ulong_t __unused4; | |
166 | }; | |
167 | ||
168 | struct compat_msqid64_ds { | |
169 | struct compat_ipc64_perm msg_perm; | |
170 | unsigned int __unused1; | |
171 | compat_time_t msg_stime; | |
172 | unsigned int __unused2; | |
173 | compat_time_t msg_rtime; | |
174 | unsigned int __unused3; | |
175 | compat_time_t msg_ctime; | |
176 | compat_ulong_t msg_cbytes; | |
177 | compat_ulong_t msg_qnum; | |
178 | compat_ulong_t msg_qbytes; | |
179 | compat_pid_t msg_lspid; | |
180 | compat_pid_t msg_lrpid; | |
181 | compat_ulong_t __unused4; | |
182 | compat_ulong_t __unused5; | |
183 | }; | |
184 | ||
185 | struct compat_shmid64_ds { | |
186 | struct compat_ipc64_perm shm_perm; | |
187 | unsigned int __unused1; | |
188 | compat_time_t shm_atime; | |
189 | unsigned int __unused2; | |
190 | compat_time_t shm_dtime; | |
191 | unsigned int __unused3; | |
192 | compat_time_t shm_ctime; | |
193 | unsigned int __unused4; | |
194 | compat_size_t shm_segsz; | |
195 | compat_pid_t shm_cpid; | |
196 | compat_pid_t shm_lpid; | |
197 | compat_ulong_t shm_nattch; | |
198 | compat_ulong_t __unused5; | |
199 | compat_ulong_t __unused6; | |
200 | }; | |
201 | ||
202 | #endif /* _ASM_PPC64_COMPAT_H */ |