1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _PARISC_SHMBUF_H
3#define _PARISC_SHMBUF_H
4
5#include <asm/bitsperlong.h>
6
7/*
8 * The shmid64_ds structure for parisc architecture.
9 * Note extra padding because this structure is passed back and forth
10 * between kernel and user space.
11 *
12 * Pad space is left for:
13 * - 2 miscellaneous 32-bit values
14 */
15
16struct shmid64_ds {
17	struct ipc64_perm	shm_perm;	/* operation perms */
18#if __BITS_PER_LONG == 64
19	long			shm_atime;	/* last attach time */
20	long			shm_dtime;	/* last detach time */
21	long			shm_ctime;	/* last change time */
22#else
23	unsigned long		shm_atime_high;
24	unsigned long		shm_atime;	/* last attach time */
25	unsigned long		shm_dtime_high;
26	unsigned long		shm_dtime;	/* last detach time */
27	unsigned long		shm_ctime_high;
28	unsigned long		shm_ctime;	/* last change time */
29	unsigned int		__pad4;
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 /* _PARISC_SHMBUF_H */
52