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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#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;
24
25struct compat_stat {
26 compat_dev_t st_dev;
27 compat_ino_t st_ino;
28 compat_mode_t st_mode;
29 compat_nlink_t st_nlink;
30 __compat_uid_t st_uid;
31 __compat_gid_t st_gid;
32 compat_dev_t st_rdev;
33 compat_off_t st_size;
34 old_time32_t st_atime;
35 compat_ulong_t st_atime_nsec;
36 old_time32_t st_mtime;
37 compat_ulong_t st_mtime_nsec;
38 old_time32_t st_ctime;
39 compat_ulong_t st_ctime_nsec;
40 compat_off_t st_blksize;
41 compat_off_t st_blocks;
42 u32 __unused4[2];
43};
44
45struct compat_stat64 {
46 unsigned long long st_dev;
47
48 unsigned long long st_ino;
49
50 unsigned int st_mode;
51 unsigned int st_nlink;
52
53 unsigned int st_uid;
54 unsigned int st_gid;
55
56 unsigned long long st_rdev;
57
58 unsigned char __pad3[8];
59
60 long long st_size;
61 unsigned int st_blksize;
62
63 unsigned char __pad4[8];
64 unsigned int st_blocks;
65
66 unsigned int st_atime;
67 unsigned int st_atime_nsec;
68
69 unsigned int st_mtime;
70 unsigned int st_mtime_nsec;
71
72 unsigned int st_ctime;
73 unsigned int st_ctime_nsec;
74
75 unsigned int __unused4;
76 unsigned int __unused5;
77};
78
79struct compat_flock {
80 short l_type;
81 short l_whence;
82 compat_off_t l_start;
83 compat_off_t l_len;
84 compat_pid_t l_pid;
85 short __unused;
86};
87
88#define F_GETLK64 12
89#define F_SETLK64 13
90#define F_SETLKW64 14
91
92struct compat_flock64 {
93 short l_type;
94 short l_whence;
95 compat_loff_t l_start;
96 compat_loff_t l_len;
97 compat_pid_t l_pid;
98 short __unused;
99};
100
101struct compat_statfs {
102 int f_type;
103 int f_bsize;
104 int f_blocks;
105 int f_bfree;
106 int f_bavail;
107 int f_files;
108 int f_ffree;
109 compat_fsid_t f_fsid;
110 int f_namelen; /* SunOS ignores this field. */
111 int f_frsize;
112 int f_flags;
113 int f_spare[4];
114};
115
116#define COMPAT_RLIM_INFINITY 0x7fffffff
117
118typedef u32 compat_old_sigset_t;
119
120#define _COMPAT_NSIG 64
121#define _COMPAT_NSIG_BPW 32
122
123typedef u32 compat_sigset_word;
124
125#define COMPAT_OFF_T_MAX 0x7fffffff
126
127#ifdef CONFIG_COMPAT
128static inline void __user *arch_compat_alloc_user_space(long len)
129{
130 struct pt_regs *regs = current_thread_info()->kregs;
131 unsigned long usp = regs->u_regs[UREG_I6];
132
133 if (test_thread_64bit_stack(usp))
134 usp += STACK_BIAS;
135
136 if (test_thread_flag(TIF_32BIT))
137 usp &= 0xffffffffUL;
138
139 usp -= len;
140 usp &= ~0x7UL;
141
142 return (void __user *) usp;
143}
144#endif
145
146struct compat_ipc64_perm {
147 compat_key_t key;
148 __compat_uid32_t uid;
149 __compat_gid32_t gid;
150 __compat_uid32_t cuid;
151 __compat_gid32_t cgid;
152 unsigned short __pad1;
153 compat_mode_t mode;
154 unsigned short __pad2;
155 unsigned short seq;
156 unsigned long __unused1; /* yes they really are 64bit pads */
157 unsigned long __unused2;
158};
159
160struct compat_semid64_ds {
161 struct compat_ipc64_perm sem_perm;
162 unsigned int sem_otime_high;
163 unsigned int sem_otime;
164 unsigned int sem_ctime_high;
165 unsigned int sem_ctime;
166 u32 sem_nsems;
167 u32 __unused1;
168 u32 __unused2;
169};
170
171struct compat_msqid64_ds {
172 struct compat_ipc64_perm msg_perm;
173 unsigned int msg_stime_high;
174 unsigned int msg_stime;
175 unsigned int msg_rtime_high;
176 unsigned int msg_rtime;
177 unsigned int msg_ctime_high;
178 unsigned int msg_ctime;
179 unsigned int msg_cbytes;
180 unsigned int msg_qnum;
181 unsigned int msg_qbytes;
182 compat_pid_t msg_lspid;
183 compat_pid_t msg_lrpid;
184 unsigned int __unused1;
185 unsigned int __unused2;
186};
187
188struct compat_shmid64_ds {
189 struct compat_ipc64_perm shm_perm;
190 unsigned int shm_atime_high;
191 unsigned int shm_atime;
192 unsigned int shm_dtime_high;
193 unsigned int shm_dtime;
194 unsigned int shm_ctime_high;
195 unsigned int shm_ctime;
196 compat_size_t shm_segsz;
197 compat_pid_t shm_cpid;
198 compat_pid_t shm_lpid;
199 unsigned int shm_nattch;
200 unsigned int __unused1;
201 unsigned int __unused2;
202};
203
204#ifdef CONFIG_COMPAT
205static inline int is_compat_task(void)
206{
207 return test_thread_flag(TIF_32BIT);
208}
209
210static inline bool in_compat_syscall(void)
211{
212 /* Vector 0x110 is LINUX_32BIT_SYSCALL_TRAP */
213 return pt_regs_trap_type(current_pt_regs()) == 0x110;
214}
215#define in_compat_syscall in_compat_syscall
216#endif
217
218#endif /* _ASM_SPARC64_COMPAT_H */