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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#include <asm-generic/compat.h>
10
11#define COMPAT_USER_HZ 100
12#define COMPAT_UTS_MACHINE "sparc\0\0"
13
14typedef u16 __compat_uid_t;
15typedef u16 __compat_gid_t;
16typedef u32 __compat_uid32_t;
17typedef u32 __compat_gid32_t;
18typedef u16 compat_mode_t;
19typedef u16 compat_dev_t;
20typedef s16 compat_nlink_t;
21typedef u16 compat_ipc_pid_t;
22typedef u32 compat_caddr_t;
23typedef __kernel_fsid_t compat_fsid_t;
24typedef s64 compat_s64;
25typedef u64 compat_u64;
26struct compat_stat {
27 compat_dev_t st_dev;
28 compat_ino_t st_ino;
29 compat_mode_t st_mode;
30 compat_nlink_t st_nlink;
31 __compat_uid_t st_uid;
32 __compat_gid_t st_gid;
33 compat_dev_t st_rdev;
34 compat_off_t st_size;
35 old_time32_t st_atime;
36 compat_ulong_t st_atime_nsec;
37 old_time32_t st_mtime;
38 compat_ulong_t st_mtime_nsec;
39 old_time32_t st_ctime;
40 compat_ulong_t st_ctime_nsec;
41 compat_off_t st_blksize;
42 compat_off_t st_blocks;
43 u32 __unused4[2];
44};
45
46struct compat_stat64 {
47 unsigned long long st_dev;
48
49 unsigned long long st_ino;
50
51 unsigned int st_mode;
52 unsigned int st_nlink;
53
54 unsigned int st_uid;
55 unsigned int st_gid;
56
57 unsigned long long st_rdev;
58
59 unsigned char __pad3[8];
60
61 long long st_size;
62 unsigned int st_blksize;
63
64 unsigned char __pad4[8];
65 unsigned int st_blocks;
66
67 unsigned int st_atime;
68 unsigned int st_atime_nsec;
69
70 unsigned int st_mtime;
71 unsigned int st_mtime_nsec;
72
73 unsigned int st_ctime;
74 unsigned int st_ctime_nsec;
75
76 unsigned int __unused4;
77 unsigned int __unused5;
78};
79
80struct compat_flock {
81 short l_type;
82 short l_whence;
83 compat_off_t l_start;
84 compat_off_t l_len;
85 compat_pid_t l_pid;
86 short __unused;
87};
88
89#define F_GETLK64 12
90#define F_SETLK64 13
91#define F_SETLKW64 14
92
93struct compat_flock64 {
94 short l_type;
95 short l_whence;
96 compat_loff_t l_start;
97 compat_loff_t l_len;
98 compat_pid_t l_pid;
99 short __unused;
100};
101
102struct compat_statfs {
103 int f_type;
104 int f_bsize;
105 int f_blocks;
106 int f_bfree;
107 int f_bavail;
108 int f_files;
109 int f_ffree;
110 compat_fsid_t f_fsid;
111 int f_namelen; /* SunOS ignores this field. */
112 int f_frsize;
113 int f_flags;
114 int f_spare[4];
115};
116
117#define COMPAT_RLIM_INFINITY 0x7fffffff
118
119typedef u32 compat_old_sigset_t;
120
121#define _COMPAT_NSIG 64
122#define _COMPAT_NSIG_BPW 32
123
124typedef u32 compat_sigset_word;
125
126#define COMPAT_OFF_T_MAX 0x7fffffff
127
128/*
129 * A pointer passed in from user mode. This should not
130 * be used for syscall parameters, just declare them
131 * as pointers because the syscall entry code will have
132 * appropriately converted them already.
133 */
134
135static inline void __user *compat_ptr(compat_uptr_t uptr)
136{
137 return (void __user *)(unsigned long)uptr;
138}
139
140static inline compat_uptr_t ptr_to_compat(void __user *uptr)
141{
142 return (u32)(unsigned long)uptr;
143}
144
145#ifdef CONFIG_COMPAT
146static inline void __user *arch_compat_alloc_user_space(long len)
147{
148 struct pt_regs *regs = current_thread_info()->kregs;
149 unsigned long usp = regs->u_regs[UREG_I6];
150
151 if (test_thread_64bit_stack(usp))
152 usp += STACK_BIAS;
153
154 if (test_thread_flag(TIF_32BIT))
155 usp &= 0xffffffffUL;
156
157 usp -= len;
158 usp &= ~0x7UL;
159
160 return (void __user *) usp;
161}
162#endif
163
164struct compat_ipc64_perm {
165 compat_key_t key;
166 __compat_uid32_t uid;
167 __compat_gid32_t gid;
168 __compat_uid32_t cuid;
169 __compat_gid32_t cgid;
170 unsigned short __pad1;
171 compat_mode_t mode;
172 unsigned short __pad2;
173 unsigned short seq;
174 unsigned long __unused1; /* yes they really are 64bit pads */
175 unsigned long __unused2;
176};
177
178struct compat_semid64_ds {
179 struct compat_ipc64_perm sem_perm;
180 unsigned int sem_otime_high;
181 unsigned int sem_otime;
182 unsigned int sem_ctime_high;
183 unsigned int sem_ctime;
184 u32 sem_nsems;
185 u32 __unused1;
186 u32 __unused2;
187};
188
189struct compat_msqid64_ds {
190 struct compat_ipc64_perm msg_perm;
191 unsigned int msg_stime_high;
192 unsigned int msg_stime;
193 unsigned int msg_rtime_high;
194 unsigned int msg_rtime;
195 unsigned int msg_ctime_high;
196 unsigned int msg_ctime;
197 unsigned int msg_cbytes;
198 unsigned int msg_qnum;
199 unsigned int msg_qbytes;
200 compat_pid_t msg_lspid;
201 compat_pid_t msg_lrpid;
202 unsigned int __unused1;
203 unsigned int __unused2;
204};
205
206struct compat_shmid64_ds {
207 struct compat_ipc64_perm shm_perm;
208 unsigned int shm_atime_high;
209 unsigned int shm_atime;
210 unsigned int shm_dtime_high;
211 unsigned int shm_dtime;
212 unsigned int shm_ctime_high;
213 unsigned int shm_ctime;
214 compat_size_t shm_segsz;
215 compat_pid_t shm_cpid;
216 compat_pid_t shm_lpid;
217 unsigned int shm_nattch;
218 unsigned int __unused1;
219 unsigned int __unused2;
220};
221
222#ifdef CONFIG_COMPAT
223static inline int is_compat_task(void)
224{
225 return test_thread_flag(TIF_32BIT);
226}
227
228static inline bool in_compat_syscall(void)
229{
230 /* Vector 0x110 is LINUX_32BIT_SYSCALL_TRAP */
231 return pt_regs_trap_type(current_pt_regs()) == 0x110;
232}
233#define in_compat_syscall in_compat_syscall
234#endif
235
236#endif /* _ASM_SPARC64_COMPAT_H */
1#ifndef _ASM_SPARC64_COMPAT_H
2#define _ASM_SPARC64_COMPAT_H
3/*
4 * Architecture specific compatibility types
5 */
6#include <linux/types.h>
7
8#define COMPAT_USER_HZ 100
9#define COMPAT_UTS_MACHINE "sparc\0\0"
10
11typedef u32 compat_size_t;
12typedef s32 compat_ssize_t;
13typedef s32 compat_time_t;
14typedef s32 compat_clock_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 s16 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_key_t;
31typedef s32 compat_timer_t;
32
33typedef s32 compat_int_t;
34typedef s32 compat_long_t;
35typedef s64 compat_s64;
36typedef u32 compat_uint_t;
37typedef u32 compat_ulong_t;
38typedef u64 compat_u64;
39typedef u32 compat_uptr_t;
40
41struct compat_timespec {
42 compat_time_t tv_sec;
43 s32 tv_nsec;
44};
45
46struct compat_timeval {
47 compat_time_t tv_sec;
48 s32 tv_usec;
49};
50
51struct compat_stat {
52 compat_dev_t st_dev;
53 compat_ino_t st_ino;
54 compat_mode_t st_mode;
55 compat_nlink_t st_nlink;
56 __compat_uid_t st_uid;
57 __compat_gid_t st_gid;
58 compat_dev_t st_rdev;
59 compat_off_t st_size;
60 compat_time_t st_atime;
61 compat_ulong_t st_atime_nsec;
62 compat_time_t st_mtime;
63 compat_ulong_t st_mtime_nsec;
64 compat_time_t st_ctime;
65 compat_ulong_t st_ctime_nsec;
66 compat_off_t st_blksize;
67 compat_off_t st_blocks;
68 u32 __unused4[2];
69};
70
71struct compat_stat64 {
72 unsigned long long st_dev;
73
74 unsigned long long st_ino;
75
76 unsigned int st_mode;
77 unsigned int st_nlink;
78
79 unsigned int st_uid;
80 unsigned int st_gid;
81
82 unsigned long long st_rdev;
83
84 unsigned char __pad3[8];
85
86 long long st_size;
87 unsigned int st_blksize;
88
89 unsigned char __pad4[8];
90 unsigned int st_blocks;
91
92 unsigned int st_atime;
93 unsigned int st_atime_nsec;
94
95 unsigned int st_mtime;
96 unsigned int st_mtime_nsec;
97
98 unsigned int st_ctime;
99 unsigned int st_ctime_nsec;
100
101 unsigned int __unused4;
102 unsigned int __unused5;
103};
104
105struct compat_flock {
106 short l_type;
107 short l_whence;
108 compat_off_t l_start;
109 compat_off_t l_len;
110 compat_pid_t l_pid;
111 short __unused;
112};
113
114#define F_GETLK64 12
115#define F_SETLK64 13
116#define F_SETLKW64 14
117
118struct compat_flock64 {
119 short l_type;
120 short l_whence;
121 compat_loff_t l_start;
122 compat_loff_t l_len;
123 compat_pid_t l_pid;
124 short __unused;
125};
126
127struct compat_statfs {
128 int f_type;
129 int f_bsize;
130 int f_blocks;
131 int f_bfree;
132 int f_bavail;
133 int f_files;
134 int f_ffree;
135 compat_fsid_t f_fsid;
136 int f_namelen; /* SunOS ignores this field. */
137 int f_frsize;
138 int f_flags;
139 int f_spare[4];
140};
141
142#define COMPAT_RLIM_INFINITY 0x7fffffff
143
144typedef u32 compat_old_sigset_t;
145
146#define _COMPAT_NSIG 64
147#define _COMPAT_NSIG_BPW 32
148
149typedef u32 compat_sigset_word;
150
151typedef union compat_sigval {
152 compat_int_t sival_int;
153 compat_uptr_t sival_ptr;
154} compat_sigval_t;
155
156#define SI_PAD_SIZE32 (128/sizeof(int) - 3)
157
158typedef struct compat_siginfo {
159 int si_signo;
160 int si_errno;
161 int si_code;
162
163 union {
164 int _pad[SI_PAD_SIZE32];
165
166 /* kill() */
167 struct {
168 compat_pid_t _pid; /* sender's pid */
169 unsigned int _uid; /* sender's uid */
170 } _kill;
171
172 /* POSIX.1b timers */
173 struct {
174 compat_timer_t _tid; /* timer id */
175 int _overrun; /* overrun count */
176 compat_sigval_t _sigval; /* same as below */
177 int _sys_private; /* not to be passed to user */
178 } _timer;
179
180 /* POSIX.1b signals */
181 struct {
182 compat_pid_t _pid; /* sender's pid */
183 unsigned int _uid; /* sender's uid */
184 compat_sigval_t _sigval;
185 } _rt;
186
187 /* SIGCHLD */
188 struct {
189 compat_pid_t _pid; /* which child */
190 unsigned int _uid; /* sender's uid */
191 int _status; /* exit code */
192 compat_clock_t _utime;
193 compat_clock_t _stime;
194 } _sigchld;
195
196 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGEMT */
197 struct {
198 u32 _addr; /* faulting insn/memory ref. */
199 int _trapno;
200 } _sigfault;
201
202 /* SIGPOLL */
203 struct {
204 int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
205 int _fd;
206 } _sigpoll;
207 } _sifields;
208} compat_siginfo_t;
209
210#define COMPAT_OFF_T_MAX 0x7fffffff
211#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
212
213/*
214 * A pointer passed in from user mode. This should not
215 * be used for syscall parameters, just declare them
216 * as pointers because the syscall entry code will have
217 * appropriately converted them already.
218 */
219
220static inline void __user *compat_ptr(compat_uptr_t uptr)
221{
222 return (void __user *)(unsigned long)uptr;
223}
224
225static inline compat_uptr_t ptr_to_compat(void __user *uptr)
226{
227 return (u32)(unsigned long)uptr;
228}
229
230static inline void __user *arch_compat_alloc_user_space(long len)
231{
232 struct pt_regs *regs = current_thread_info()->kregs;
233 unsigned long usp = regs->u_regs[UREG_I6];
234
235 if (test_thread_64bit_stack(usp))
236 usp += STACK_BIAS;
237
238 if (test_thread_flag(TIF_32BIT))
239 usp &= 0xffffffffUL;
240
241 usp -= len;
242 usp &= ~0x7UL;
243
244 return (void __user *) usp;
245}
246
247struct compat_ipc64_perm {
248 compat_key_t key;
249 __compat_uid32_t uid;
250 __compat_gid32_t gid;
251 __compat_uid32_t cuid;
252 __compat_gid32_t cgid;
253 unsigned short __pad1;
254 compat_mode_t mode;
255 unsigned short __pad2;
256 unsigned short seq;
257 unsigned long __unused1; /* yes they really are 64bit pads */
258 unsigned long __unused2;
259};
260
261struct compat_semid64_ds {
262 struct compat_ipc64_perm sem_perm;
263 unsigned int __pad1;
264 compat_time_t sem_otime;
265 unsigned int __pad2;
266 compat_time_t sem_ctime;
267 u32 sem_nsems;
268 u32 __unused1;
269 u32 __unused2;
270};
271
272struct compat_msqid64_ds {
273 struct compat_ipc64_perm msg_perm;
274 unsigned int __pad1;
275 compat_time_t msg_stime;
276 unsigned int __pad2;
277 compat_time_t msg_rtime;
278 unsigned int __pad3;
279 compat_time_t msg_ctime;
280 unsigned int msg_cbytes;
281 unsigned int msg_qnum;
282 unsigned int msg_qbytes;
283 compat_pid_t msg_lspid;
284 compat_pid_t msg_lrpid;
285 unsigned int __unused1;
286 unsigned int __unused2;
287};
288
289struct compat_shmid64_ds {
290 struct compat_ipc64_perm shm_perm;
291 unsigned int __pad1;
292 compat_time_t shm_atime;
293 unsigned int __pad2;
294 compat_time_t shm_dtime;
295 unsigned int __pad3;
296 compat_time_t shm_ctime;
297 compat_size_t shm_segsz;
298 compat_pid_t shm_cpid;
299 compat_pid_t shm_lpid;
300 unsigned int shm_nattch;
301 unsigned int __unused1;
302 unsigned int __unused2;
303};
304
305static inline int is_compat_task(void)
306{
307 return test_thread_flag(TIF_32BIT);
308}
309
310static inline bool in_compat_syscall(void)
311{
312 /* Vector 0x110 is LINUX_32BIT_SYSCALL_TRAP */
313 return pt_regs_trap_type(current_pt_regs()) == 0x110;
314}
315#define in_compat_syscall in_compat_syscall
316
317#endif /* _ASM_SPARC64_COMPAT_H */