1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2#ifndef _ASM_POWERPC_SHMBUF_H
3#define _ASM_POWERPC_SHMBUF_H
4
5#include <asm/ipcbuf.h>
6#include <asm/posix_types.h>
7
8/*
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version
12 * 2 of the License, or (at your option) any later version.
13 */
14
15/*
16 * The shmid64_ds structure for PPC architecture.
17 *
18 * Note extra padding because this structure is passed back and forth
19 * between kernel and user space.
20 *
21 * Pad space is left for:
22 * - 2 miscellaneous 32-bit values
23 */
24
25struct shmid64_ds {
26	struct ipc64_perm	shm_perm;	/* operation perms */
27#ifdef __powerpc64__
28	long		shm_atime;	/* last attach time */
29	long		shm_dtime;	/* last detach time */
30	long		shm_ctime;	/* last change time */
31#else
32	unsigned long		shm_atime_high;
33	unsigned long		shm_atime;	/* last attach time */
34	unsigned long		shm_dtime_high;
35	unsigned long		shm_dtime;	/* last detach time */
36	unsigned long		shm_ctime_high;
37	unsigned long		shm_ctime;	/* last change time */
38	unsigned long		__unused4;
39#endif
40	__kernel_size_t		shm_segsz;	/* size of segment (bytes) */
41	__kernel_pid_t		shm_cpid;	/* pid of creator */
42	__kernel_pid_t		shm_lpid;	/* pid of last operator */
43	unsigned long		shm_nattch;	/* no. of current attaches */
44	unsigned long		__unused5;
45	unsigned long		__unused6;
46};
47
48struct shminfo64 {
49	unsigned long	shmmax;
50	unsigned long	shmmin;
51	unsigned long	shmmni;
52	unsigned long	shmseg;
53	unsigned long	shmall;
54	unsigned long	__unused1;
55	unsigned long	__unused2;
56	unsigned long	__unused3;
57	unsigned long	__unused4;
58};
59
60#endif	/* _ASM_POWERPC_SHMBUF_H */
61