1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _SPARC_SHMBUF_H
3#define _SPARC_SHMBUF_H
4
5/*
6 * The shmid64_ds structure for sparc architecture.
7 * Note extra padding because this structure is passed back and forth
8 * between kernel and user space.
9 *
10 * Pad space is left for:
11 * - 2 miscellaneous 32-bit values
12 */
13
14struct shmid64_ds {
15	struct ipc64_perm	shm_perm;	/* operation perms */
16#if defined(__sparc__) && defined(__arch64__)
17	long			shm_atime;	/* last attach time */
18	long			shm_dtime;	/* last detach time */
19	long			shm_ctime;	/* last change time */
20#else
21	unsigned long		shm_atime_high;
22	unsigned long		shm_atime;	/* last attach time */
23	unsigned long		shm_dtime_high;
24	unsigned long		shm_dtime;	/* last detach time */
25	unsigned long		shm_ctime_high;
26	unsigned long		shm_ctime;	/* last change time */
27#endif
28	size_t			shm_segsz;	/* size of segment (bytes) */
29	__kernel_pid_t		shm_cpid;	/* pid of creator */
30	__kernel_pid_t		shm_lpid;	/* pid of last operator */
31	unsigned long		shm_nattch;	/* no. of current attaches */
32	unsigned long		__unused1;
33	unsigned long		__unused2;
34};
35
36struct shminfo64 {
37	unsigned long	shmmax;
38	unsigned long	shmmin;
39	unsigned long	shmmni;
40	unsigned long	shmseg;
41	unsigned long	shmall;
42	unsigned long	__unused1;
43	unsigned long	__unused2;
44	unsigned long	__unused3;
45	unsigned long	__unused4;
46};
47
48#endif /* _SPARC_SHMBUF_H */
49