1 #ifndef _ASM_PPC64_COMPAT_H
2 #define _ASM_PPC64_COMPAT_H
4 * Architecture specific compatibility types
6 #include <linux/types.h>
7 #include <linux/sched.h>
9 #define COMPAT_USER_HZ 100
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_uid32_t;
19 typedef u32 __compat_gid32_t;
20 typedef u32 compat_mode_t;
21 typedef u32 compat_ino_t;
22 typedef u32 compat_dev_t;
23 typedef s32 compat_off_t;
24 typedef s64 compat_loff_t;
25 typedef s16 compat_nlink_t;
26 typedef u16 compat_ipc_pid_t;
27 typedef s32 compat_daddr_t;
28 typedef u32 compat_caddr_t;
29 typedef __kernel_fsid_t compat_fsid_t;
30 typedef s32 compat_key_t;
31 typedef s32 compat_timer_t;
33 typedef s32 compat_int_t;
34 typedef s32 compat_long_t;
35 typedef u32 compat_uint_t;
36 typedef u32 compat_ulong_t;
38 struct compat_timespec {
43 struct compat_timeval {
51 compat_mode_t st_mode;
52 compat_nlink_t st_nlink;
53 __compat_uid32_t st_uid;
54 __compat_gid32_t st_gid;
57 compat_off_t st_blksize;
58 compat_off_t st_blocks;
59 compat_time_t st_atime;
61 compat_time_t st_mtime;
63 compat_time_t st_ctime;
76 #define F_GETLK64 12 /* using 'struct flock64' */
80 struct compat_flock64 {
83 compat_loff_t l_start;
88 struct compat_statfs {
97 int f_namelen; /* SunOS ignores this field. */
102 #define COMPAT_RLIM_OLD_INFINITY 0x7fffffff
103 #define COMPAT_RLIM_INFINITY 0xffffffff
105 typedef u32 compat_old_sigset_t;
107 #define _COMPAT_NSIG 64
108 #define _COMPAT_NSIG_BPW 32
110 typedef u32 compat_sigset_word;
112 #define COMPAT_OFF_T_MAX 0x7fffffff
113 #define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
116 * A pointer passed in from user mode. This should not
117 * be used for syscall parameters, just declare them
118 * as pointers because the syscall entry code will have
119 * appropriately comverted them already.
121 typedef u32 compat_uptr_t;
123 static inline void __user *compat_ptr(compat_uptr_t uptr)
125 return (void __user *)(unsigned long)uptr;
128 static inline void __user *compat_alloc_user_space(long len)
130 struct pt_regs *regs = current->thread.regs;
131 unsigned long usp = regs->gpr[1];
134 * We cant access below the stack pointer in the 32bit ABI and
135 * can access 288 bytes in the 64bit ABI
137 if (!(test_thread_flag(TIF_32BIT)))
140 return (void __user *) (usp - len);
144 * ipc64_perm is actually 32/64bit clean but since the compat layer refers to
145 * it we may as well define it.
147 struct compat_ipc64_perm {
156 unsigned long __unused1; /* yes they really are 64bit pads */
157 unsigned long __unused2;
160 struct compat_semid64_ds {
161 struct compat_ipc64_perm sem_perm;
162 unsigned int __unused1;
163 compat_time_t sem_otime;
164 unsigned int __unused2;
165 compat_time_t sem_ctime;
166 compat_ulong_t sem_nsems;
167 compat_ulong_t __unused3;
168 compat_ulong_t __unused4;
171 struct compat_msqid64_ds {
172 struct compat_ipc64_perm msg_perm;
173 unsigned int __unused1;
174 compat_time_t msg_stime;
175 unsigned int __unused2;
176 compat_time_t msg_rtime;
177 unsigned int __unused3;
178 compat_time_t msg_ctime;
179 compat_ulong_t msg_cbytes;
180 compat_ulong_t msg_qnum;
181 compat_ulong_t msg_qbytes;
182 compat_pid_t msg_lspid;
183 compat_pid_t msg_lrpid;
184 compat_ulong_t __unused4;
185 compat_ulong_t __unused5;
188 struct compat_shmid64_ds {
189 struct compat_ipc64_perm shm_perm;
190 unsigned int __unused1;
191 compat_time_t shm_atime;
192 unsigned int __unused2;
193 compat_time_t shm_dtime;
194 unsigned int __unused3;
195 compat_time_t shm_ctime;
196 unsigned int __unused4;
197 compat_size_t shm_segsz;
198 compat_pid_t shm_cpid;
199 compat_pid_t shm_lpid;
200 compat_ulong_t shm_nattch;
201 compat_ulong_t __unused5;
202 compat_ulong_t __unused6;
205 #endif /* _ASM_PPC64_COMPAT_H */