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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/* 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 */