ARM: amba: Make driver_override output consistent with other buses
[linux/fpc-iii.git] / arch / powerpc / include / asm / compat.h
blob62168e1158f1b4ade5a2058080b0d9d6b25666a5
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_POWERPC_COMPAT_H
3 #define _ASM_POWERPC_COMPAT_H
4 #ifdef __KERNEL__
5 /*
6 * Architecture specific compatibility types
7 */
8 #include <linux/types.h>
9 #include <linux/sched.h>
11 #define COMPAT_USER_HZ 100
12 #ifdef __BIG_ENDIAN__
13 #define COMPAT_UTS_MACHINE "ppc\0\0"
14 #else
15 #define COMPAT_UTS_MACHINE "ppcle\0\0"
16 #endif
18 typedef u32 compat_size_t;
19 typedef s32 compat_ssize_t;
20 typedef s32 compat_time_t;
21 typedef s32 compat_clock_t;
22 typedef s32 compat_pid_t;
23 typedef u32 __compat_uid_t;
24 typedef u32 __compat_gid_t;
25 typedef u32 __compat_uid32_t;
26 typedef u32 __compat_gid32_t;
27 typedef u32 compat_mode_t;
28 typedef u32 compat_ino_t;
29 typedef u32 compat_dev_t;
30 typedef s32 compat_off_t;
31 typedef s64 compat_loff_t;
32 typedef s16 compat_nlink_t;
33 typedef u16 compat_ipc_pid_t;
34 typedef s32 compat_daddr_t;
35 typedef u32 compat_caddr_t;
36 typedef __kernel_fsid_t compat_fsid_t;
37 typedef s32 compat_key_t;
38 typedef s32 compat_timer_t;
40 typedef s32 compat_int_t;
41 typedef s32 compat_long_t;
42 typedef s64 compat_s64;
43 typedef u32 compat_uint_t;
44 typedef u32 compat_ulong_t;
45 typedef u64 compat_u64;
46 typedef u32 compat_uptr_t;
48 struct compat_timespec {
49 compat_time_t tv_sec;
50 s32 tv_nsec;
53 struct compat_timeval {
54 compat_time_t tv_sec;
55 s32 tv_usec;
58 struct compat_stat {
59 compat_dev_t st_dev;
60 compat_ino_t st_ino;
61 compat_mode_t st_mode;
62 compat_nlink_t st_nlink;
63 __compat_uid32_t st_uid;
64 __compat_gid32_t st_gid;
65 compat_dev_t st_rdev;
66 compat_off_t st_size;
67 compat_off_t st_blksize;
68 compat_off_t st_blocks;
69 compat_time_t st_atime;
70 u32 st_atime_nsec;
71 compat_time_t st_mtime;
72 u32 st_mtime_nsec;
73 compat_time_t st_ctime;
74 u32 st_ctime_nsec;
75 u32 __unused4[2];
78 struct compat_flock {
79 short l_type;
80 short l_whence;
81 compat_off_t l_start;
82 compat_off_t l_len;
83 compat_pid_t l_pid;
86 #define F_GETLK64 12 /* using 'struct flock64' */
87 #define F_SETLK64 13
88 #define F_SETLKW64 14
90 struct compat_flock64 {
91 short l_type;
92 short l_whence;
93 compat_loff_t l_start;
94 compat_loff_t l_len;
95 compat_pid_t l_pid;
98 struct compat_statfs {
99 int f_type;
100 int f_bsize;
101 int f_blocks;
102 int f_bfree;
103 int f_bavail;
104 int f_files;
105 int f_ffree;
106 compat_fsid_t f_fsid;
107 int f_namelen; /* SunOS ignores this field. */
108 int f_frsize;
109 int f_flags;
110 int f_spare[4];
113 #define COMPAT_RLIM_INFINITY 0xffffffff
115 typedef u32 compat_old_sigset_t;
117 #define _COMPAT_NSIG 64
118 #define _COMPAT_NSIG_BPW 32
120 typedef u32 compat_sigset_word;
122 #define COMPAT_OFF_T_MAX 0x7fffffff
125 * A pointer passed in from user mode. This should not
126 * be used for syscall parameters, just declare them
127 * as pointers because the syscall entry code will have
128 * appropriately converted them already.
131 static inline void __user *compat_ptr(compat_uptr_t uptr)
133 return (void __user *)(unsigned long)uptr;
136 static inline compat_uptr_t ptr_to_compat(void __user *uptr)
138 return (u32)(unsigned long)uptr;
141 static inline void __user *arch_compat_alloc_user_space(long len)
143 struct pt_regs *regs = current->thread.regs;
144 unsigned long usp = regs->gpr[1];
147 * We can't access below the stack pointer in the 32bit ABI and
148 * can access 288 bytes in the 64bit big-endian ABI,
149 * or 512 bytes with the new ELFv2 little-endian ABI.
151 if (!is_32bit_task())
152 usp -= USER_REDZONE_SIZE;
154 return (void __user *) (usp - len);
158 * ipc64_perm is actually 32/64bit clean but since the compat layer refers to
159 * it we may as well define it.
161 struct compat_ipc64_perm {
162 compat_key_t key;
163 __compat_uid_t uid;
164 __compat_gid_t gid;
165 __compat_uid_t cuid;
166 __compat_gid_t cgid;
167 compat_mode_t mode;
168 unsigned int seq;
169 unsigned int __pad2;
170 unsigned long __unused1; /* yes they really are 64bit pads */
171 unsigned long __unused2;
174 struct compat_semid64_ds {
175 struct compat_ipc64_perm sem_perm;
176 unsigned int __unused1;
177 compat_time_t sem_otime;
178 unsigned int __unused2;
179 compat_time_t sem_ctime;
180 compat_ulong_t sem_nsems;
181 compat_ulong_t __unused3;
182 compat_ulong_t __unused4;
185 struct compat_msqid64_ds {
186 struct compat_ipc64_perm msg_perm;
187 unsigned int __unused1;
188 compat_time_t msg_stime;
189 unsigned int __unused2;
190 compat_time_t msg_rtime;
191 unsigned int __unused3;
192 compat_time_t msg_ctime;
193 compat_ulong_t msg_cbytes;
194 compat_ulong_t msg_qnum;
195 compat_ulong_t msg_qbytes;
196 compat_pid_t msg_lspid;
197 compat_pid_t msg_lrpid;
198 compat_ulong_t __unused4;
199 compat_ulong_t __unused5;
202 struct compat_shmid64_ds {
203 struct compat_ipc64_perm shm_perm;
204 unsigned int __unused1;
205 compat_time_t shm_atime;
206 unsigned int __unused2;
207 compat_time_t shm_dtime;
208 unsigned int __unused3;
209 compat_time_t shm_ctime;
210 unsigned int __unused4;
211 compat_size_t shm_segsz;
212 compat_pid_t shm_cpid;
213 compat_pid_t shm_lpid;
214 compat_ulong_t shm_nattch;
215 compat_ulong_t __unused5;
216 compat_ulong_t __unused6;
219 static inline int is_compat_task(void)
221 return is_32bit_task();
224 #endif /* __KERNEL__ */
225 #endif /* _ASM_POWERPC_COMPAT_H */