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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_SPARC64_COMPAT_H
3#define _ASM_SPARC64_COMPAT_H
4/*
5 * Architecture specific compatibility types
6 */
7#include <linux/types.h>
8
9#define compat_mode_t compat_mode_t
10typedef u16 compat_mode_t;
11
12#define __compat_uid_t __compat_uid_t
13typedef u16 __compat_uid_t;
14typedef u16 __compat_gid_t;
15
16#define compat_dev_t compat_dev_t
17typedef u16 compat_dev_t;
18
19#define compat_ipc_pid_t compat_ipc_pid_t
20typedef u16 compat_ipc_pid_t;
21
22#define compat_ipc64_perm compat_ipc64_perm
23
24#define COMPAT_RLIM_INFINITY 0x7fffffff
25
26#include <asm-generic/compat.h>
27
28#define COMPAT_UTS_MACHINE "sparc\0\0"
29
30typedef s16 compat_nlink_t;
31
32struct compat_stat {
33 compat_dev_t st_dev;
34 compat_ino_t st_ino;
35 compat_mode_t st_mode;
36 compat_nlink_t st_nlink;
37 __compat_uid_t st_uid;
38 __compat_gid_t st_gid;
39 compat_dev_t st_rdev;
40 compat_off_t st_size;
41 old_time32_t st_atime;
42 compat_ulong_t st_atime_nsec;
43 old_time32_t st_mtime;
44 compat_ulong_t st_mtime_nsec;
45 old_time32_t st_ctime;
46 compat_ulong_t st_ctime_nsec;
47 compat_off_t st_blksize;
48 compat_off_t st_blocks;
49 u32 __unused4[2];
50};
51
52struct compat_stat64 {
53 unsigned long long st_dev;
54
55 unsigned long long st_ino;
56
57 unsigned int st_mode;
58 unsigned int st_nlink;
59
60 unsigned int st_uid;
61 unsigned int st_gid;
62
63 unsigned long long st_rdev;
64
65 unsigned char __pad3[8];
66
67 long long st_size;
68 unsigned int st_blksize;
69
70 unsigned char __pad4[8];
71 unsigned int st_blocks;
72
73 unsigned int st_atime;
74 unsigned int st_atime_nsec;
75
76 unsigned int st_mtime;
77 unsigned int st_mtime_nsec;
78
79 unsigned int st_ctime;
80 unsigned int st_ctime_nsec;
81
82 unsigned int __unused4;
83 unsigned int __unused5;
84};
85
86#define __ARCH_COMPAT_FLOCK_PAD short __unused;
87
88struct compat_ipc64_perm {
89 compat_key_t key;
90 __compat_uid32_t uid;
91 __compat_gid32_t gid;
92 __compat_uid32_t cuid;
93 __compat_gid32_t cgid;
94 unsigned short __pad1;
95 compat_mode_t mode;
96 unsigned short __pad2;
97 unsigned short seq;
98 unsigned long __unused1; /* yes they really are 64bit pads */
99 unsigned long __unused2;
100};
101
102struct compat_semid64_ds {
103 struct compat_ipc64_perm sem_perm;
104 unsigned int sem_otime_high;
105 unsigned int sem_otime;
106 unsigned int sem_ctime_high;
107 unsigned int sem_ctime;
108 u32 sem_nsems;
109 u32 __unused1;
110 u32 __unused2;
111};
112
113struct compat_msqid64_ds {
114 struct compat_ipc64_perm msg_perm;
115 unsigned int msg_stime_high;
116 unsigned int msg_stime;
117 unsigned int msg_rtime_high;
118 unsigned int msg_rtime;
119 unsigned int msg_ctime_high;
120 unsigned int msg_ctime;
121 unsigned int msg_cbytes;
122 unsigned int msg_qnum;
123 unsigned int msg_qbytes;
124 compat_pid_t msg_lspid;
125 compat_pid_t msg_lrpid;
126 unsigned int __unused1;
127 unsigned int __unused2;
128};
129
130struct compat_shmid64_ds {
131 struct compat_ipc64_perm shm_perm;
132 unsigned int shm_atime_high;
133 unsigned int shm_atime;
134 unsigned int shm_dtime_high;
135 unsigned int shm_dtime;
136 unsigned int shm_ctime_high;
137 unsigned int shm_ctime;
138 compat_size_t shm_segsz;
139 compat_pid_t shm_cpid;
140 compat_pid_t shm_lpid;
141 unsigned int shm_nattch;
142 unsigned int __unused1;
143 unsigned int __unused2;
144};
145
146#ifdef CONFIG_COMPAT
147static inline int is_compat_task(void)
148{
149 return test_thread_flag(TIF_32BIT);
150}
151
152static inline bool in_compat_syscall(void)
153{
154 /* Vector 0x110 is LINUX_32BIT_SYSCALL_TRAP */
155 return pt_regs_trap_type(current_pt_regs()) == 0x110;
156}
157#define in_compat_syscall in_compat_syscall
158#endif
159
160#endif /* _ASM_SPARC64_COMPAT_H */
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_SPARC64_COMPAT_H
3#define _ASM_SPARC64_COMPAT_H
4/*
5 * Architecture specific compatibility types
6 */
7#include <linux/types.h>
8
9#define COMPAT_USER_HZ 100
10#define COMPAT_UTS_MACHINE "sparc\0\0"
11
12typedef u32 compat_size_t;
13typedef s32 compat_ssize_t;
14typedef s32 compat_time_t;
15typedef s32 compat_clock_t;
16typedef s32 compat_pid_t;
17typedef u16 __compat_uid_t;
18typedef u16 __compat_gid_t;
19typedef u32 __compat_uid32_t;
20typedef u32 __compat_gid32_t;
21typedef u16 compat_mode_t;
22typedef u32 compat_ino_t;
23typedef u16 compat_dev_t;
24typedef s32 compat_off_t;
25typedef s64 compat_loff_t;
26typedef s16 compat_nlink_t;
27typedef u16 compat_ipc_pid_t;
28typedef s32 compat_daddr_t;
29typedef u32 compat_caddr_t;
30typedef __kernel_fsid_t compat_fsid_t;
31typedef s32 compat_key_t;
32typedef s32 compat_timer_t;
33
34typedef s32 compat_int_t;
35typedef s32 compat_long_t;
36typedef s64 compat_s64;
37typedef u32 compat_uint_t;
38typedef u32 compat_ulong_t;
39typedef u64 compat_u64;
40typedef u32 compat_uptr_t;
41
42struct compat_timespec {
43 compat_time_t tv_sec;
44 s32 tv_nsec;
45};
46
47struct compat_timeval {
48 compat_time_t tv_sec;
49 s32 tv_usec;
50};
51
52struct compat_stat {
53 compat_dev_t st_dev;
54 compat_ino_t st_ino;
55 compat_mode_t st_mode;
56 compat_nlink_t st_nlink;
57 __compat_uid_t st_uid;
58 __compat_gid_t st_gid;
59 compat_dev_t st_rdev;
60 compat_off_t st_size;
61 compat_time_t st_atime;
62 compat_ulong_t st_atime_nsec;
63 compat_time_t st_mtime;
64 compat_ulong_t st_mtime_nsec;
65 compat_time_t st_ctime;
66 compat_ulong_t st_ctime_nsec;
67 compat_off_t st_blksize;
68 compat_off_t st_blocks;
69 u32 __unused4[2];
70};
71
72struct compat_stat64 {
73 unsigned long long st_dev;
74
75 unsigned long long st_ino;
76
77 unsigned int st_mode;
78 unsigned int st_nlink;
79
80 unsigned int st_uid;
81 unsigned int st_gid;
82
83 unsigned long long st_rdev;
84
85 unsigned char __pad3[8];
86
87 long long st_size;
88 unsigned int st_blksize;
89
90 unsigned char __pad4[8];
91 unsigned int st_blocks;
92
93 unsigned int st_atime;
94 unsigned int st_atime_nsec;
95
96 unsigned int st_mtime;
97 unsigned int st_mtime_nsec;
98
99 unsigned int st_ctime;
100 unsigned int st_ctime_nsec;
101
102 unsigned int __unused4;
103 unsigned int __unused5;
104};
105
106struct compat_flock {
107 short l_type;
108 short l_whence;
109 compat_off_t l_start;
110 compat_off_t l_len;
111 compat_pid_t l_pid;
112 short __unused;
113};
114
115#define F_GETLK64 12
116#define F_SETLK64 13
117#define F_SETLKW64 14
118
119struct compat_flock64 {
120 short l_type;
121 short l_whence;
122 compat_loff_t l_start;
123 compat_loff_t l_len;
124 compat_pid_t l_pid;
125 short __unused;
126};
127
128struct compat_statfs {
129 int f_type;
130 int f_bsize;
131 int f_blocks;
132 int f_bfree;
133 int f_bavail;
134 int f_files;
135 int f_ffree;
136 compat_fsid_t f_fsid;
137 int f_namelen; /* SunOS ignores this field. */
138 int f_frsize;
139 int f_flags;
140 int f_spare[4];
141};
142
143#define COMPAT_RLIM_INFINITY 0x7fffffff
144
145typedef u32 compat_old_sigset_t;
146
147#define _COMPAT_NSIG 64
148#define _COMPAT_NSIG_BPW 32
149
150typedef u32 compat_sigset_word;
151
152#define COMPAT_OFF_T_MAX 0x7fffffff
153
154/*
155 * A pointer passed in from user mode. This should not
156 * be used for syscall parameters, just declare them
157 * as pointers because the syscall entry code will have
158 * appropriately converted them already.
159 */
160
161static inline void __user *compat_ptr(compat_uptr_t uptr)
162{
163 return (void __user *)(unsigned long)uptr;
164}
165
166static inline compat_uptr_t ptr_to_compat(void __user *uptr)
167{
168 return (u32)(unsigned long)uptr;
169}
170
171static inline void __user *arch_compat_alloc_user_space(long len)
172{
173 struct pt_regs *regs = current_thread_info()->kregs;
174 unsigned long usp = regs->u_regs[UREG_I6];
175
176 if (test_thread_64bit_stack(usp))
177 usp += STACK_BIAS;
178
179 if (test_thread_flag(TIF_32BIT))
180 usp &= 0xffffffffUL;
181
182 usp -= len;
183 usp &= ~0x7UL;
184
185 return (void __user *) usp;
186}
187
188struct compat_ipc64_perm {
189 compat_key_t key;
190 __compat_uid32_t uid;
191 __compat_gid32_t gid;
192 __compat_uid32_t cuid;
193 __compat_gid32_t cgid;
194 unsigned short __pad1;
195 compat_mode_t mode;
196 unsigned short __pad2;
197 unsigned short seq;
198 unsigned long __unused1; /* yes they really are 64bit pads */
199 unsigned long __unused2;
200};
201
202struct compat_semid64_ds {
203 struct compat_ipc64_perm sem_perm;
204 unsigned int __pad1;
205 compat_time_t sem_otime;
206 unsigned int __pad2;
207 compat_time_t sem_ctime;
208 u32 sem_nsems;
209 u32 __unused1;
210 u32 __unused2;
211};
212
213struct compat_msqid64_ds {
214 struct compat_ipc64_perm msg_perm;
215 unsigned int __pad1;
216 compat_time_t msg_stime;
217 unsigned int __pad2;
218 compat_time_t msg_rtime;
219 unsigned int __pad3;
220 compat_time_t msg_ctime;
221 unsigned int msg_cbytes;
222 unsigned int msg_qnum;
223 unsigned int msg_qbytes;
224 compat_pid_t msg_lspid;
225 compat_pid_t msg_lrpid;
226 unsigned int __unused1;
227 unsigned int __unused2;
228};
229
230struct compat_shmid64_ds {
231 struct compat_ipc64_perm shm_perm;
232 unsigned int __pad1;
233 compat_time_t shm_atime;
234 unsigned int __pad2;
235 compat_time_t shm_dtime;
236 unsigned int __pad3;
237 compat_time_t shm_ctime;
238 compat_size_t shm_segsz;
239 compat_pid_t shm_cpid;
240 compat_pid_t shm_lpid;
241 unsigned int shm_nattch;
242 unsigned int __unused1;
243 unsigned int __unused2;
244};
245
246static inline int is_compat_task(void)
247{
248 return test_thread_flag(TIF_32BIT);
249}
250
251static inline bool in_compat_syscall(void)
252{
253 /* Vector 0x110 is LINUX_32BIT_SYSCALL_TRAP */
254 return pt_regs_trap_type(current_pt_regs()) == 0x110;
255}
256#define in_compat_syscall in_compat_syscall
257
258#endif /* _ASM_SPARC64_COMPAT_H */