1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _SPARC_SHMBUF_H
3#define _SPARC_SHMBUF_H
4
5#include <asm/ipcbuf.h>
6#include <asm/posix_types.h>
7
8/*
9 * The shmid64_ds structure for sparc architecture.
10 * Note extra padding because this structure is passed back and forth
11 * between kernel and user space.
12 *
13 * Pad space is left for:
14 * - 2 miscellaneous 32-bit values
15 */
16
17struct shmid64_ds {
18	struct ipc64_perm	shm_perm;	/* operation perms */
19#if defined(__sparc__) && defined(__arch64__)
20	long			shm_atime;	/* last attach time */
21	long			shm_dtime;	/* last detach time */
22	long			shm_ctime;	/* last change time */
23#else
24	unsigned long		shm_atime_high;
25	unsigned long		shm_atime;	/* last attach time */
26	unsigned long		shm_dtime_high;
27	unsigned long		shm_dtime;	/* last detach time */
28	unsigned long		shm_ctime_high;
29	unsigned long		shm_ctime;	/* last change time */
30#endif
31	__kernel_size_t		shm_segsz;	/* size of segment (bytes) */
32	__kernel_pid_t		shm_cpid;	/* pid of creator */
33	__kernel_pid_t		shm_lpid;	/* pid of last operator */
34	unsigned long		shm_nattch;	/* no. of current attaches */
35	unsigned long		__unused1;
36	unsigned long		__unused2;
37};
38
39struct shminfo64 {
40	unsigned long	shmmax;
41	unsigned long	shmmin;
42	unsigned long	shmmni;
43	unsigned long	shmseg;
44	unsigned long	shmall;
45	unsigned long	__unused1;
46	unsigned long	__unused2;
47	unsigned long	__unused3;
48	unsigned long	__unused4;
49};
50
51#endif /* _SPARC_SHMBUF_H */
52