1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_PARISC_COMPAT_H
3#define _ASM_PARISC_COMPAT_H
4/*
5 * Architecture specific compatibility types
6 */
7#include <linux/types.h>
8#include <linux/sched.h>
9#include <linux/thread_info.h>
10
11#define compat_mode_t compat_mode_t
12typedef u16	compat_mode_t;
13
14#define compat_ipc_pid_t compat_ipc_pid_t
15typedef u16	compat_ipc_pid_t;
16
17#define compat_ipc64_perm compat_ipc64_perm
18
19#include <asm-generic/compat.h>
20
21#define COMPAT_UTS_MACHINE	"parisc\0\0"
22
23typedef u16	compat_nlink_t;
24
25struct compat_stat {
26	compat_dev_t		st_dev;	/* dev_t is 32 bits on parisc */
27	compat_ino_t		st_ino;	/* 32 bits */
28	compat_mode_t		st_mode;	/* 16 bits */
29	compat_nlink_t  	st_nlink;	/* 16 bits */
30	u16			st_reserved1;	/* old st_uid */
31	u16			st_reserved2;	/* old st_gid */
32	compat_dev_t		st_rdev;
33	compat_off_t		st_size;
34	old_time32_t		st_atime;
35	u32			st_atime_nsec;
36	old_time32_t		st_mtime;
37	u32			st_mtime_nsec;
38	old_time32_t		st_ctime;
39	u32			st_ctime_nsec;
40	s32			st_blksize;
41	s32			st_blocks;
42	u32			__unused1;	/* ACL stuff */
43	compat_dev_t		__unused2;	/* network */
44	compat_ino_t		__unused3;	/* network */
45	u32			__unused4;	/* cnodes */
46	u16			__unused5;	/* netsite */
47	short			st_fstype;
48	compat_dev_t		st_realdev;
49	u16			st_basemode;
50	u16			st_spareshort;
51	__compat_uid32_t	st_uid;
52	__compat_gid32_t	st_gid;
53	u32			st_spare4[3];
54};
55
56struct compat_sigcontext {
57	compat_int_t sc_flags;
58	compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */
59	u64 sc_fr[32];
60	compat_int_t sc_iasq[2];
61	compat_int_t sc_iaoq[2];
62	compat_int_t sc_sar; /* cr11 */
63};
64
65struct compat_ipc64_perm {
66	compat_key_t key;
67	__compat_uid_t uid;
68	__compat_gid_t gid;
69	__compat_uid_t cuid;
70	__compat_gid_t cgid;
71	unsigned short int __pad1;
72	compat_mode_t mode;
73	unsigned short int __pad2;
74	unsigned short int seq;
75	unsigned int __pad3;
76	unsigned long __unused1;	/* yes they really are 64bit pads */
77	unsigned long __unused2;
78};
79
80struct compat_semid64_ds {
81	struct compat_ipc64_perm sem_perm;
82	unsigned int sem_otime_high;
83	unsigned int sem_otime;
84	unsigned int sem_ctime_high;
85	unsigned int sem_ctime;
86	compat_ulong_t sem_nsems;
87	compat_ulong_t __unused3;
88	compat_ulong_t __unused4;
89};
90
91struct compat_msqid64_ds {
92	struct compat_ipc64_perm msg_perm;
93	unsigned int msg_stime_high;
94	unsigned int msg_stime;
95	unsigned int msg_rtime_high;
96	unsigned int msg_rtime;
97	unsigned int msg_ctime_high;
98	unsigned int msg_ctime;
99	compat_ulong_t msg_cbytes;
100	compat_ulong_t msg_qnum;
101	compat_ulong_t msg_qbytes;
102	compat_pid_t msg_lspid;
103	compat_pid_t msg_lrpid;
104	compat_ulong_t __unused4;
105	compat_ulong_t __unused5;
106};
107
108struct compat_shmid64_ds {
109	struct compat_ipc64_perm shm_perm;
110	unsigned int shm_atime_high;
111	unsigned int shm_atime;
112	unsigned int shm_dtime_high;
113	unsigned int shm_dtime;
114	unsigned int shm_ctime_high;
115	unsigned int shm_ctime;
116	unsigned int __unused4;
117	compat_size_t shm_segsz;
118	compat_pid_t shm_cpid;
119	compat_pid_t shm_lpid;
120	compat_ulong_t shm_nattch;
121	compat_ulong_t __unused5;
122	compat_ulong_t __unused6;
123};
124
125/*
126 * The type of struct elf_prstatus.pr_reg in compatible core dumps.
127 */
128#define COMPAT_ELF_NGREG 80
129typedef compat_ulong_t compat_elf_gregset_t[COMPAT_ELF_NGREG];
130
131static inline int __is_compat_task(struct task_struct *t)
132{
133	return test_tsk_thread_flag(t, TIF_32BIT);
134}
135
136static inline int is_compat_task(void)
137{
138	return __is_compat_task(current);
139}
140
141#endif /* _ASM_PARISC_COMPAT_H */
142