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#include <asm/ipcbuf.h>
7#include <asm/posix_types.h>
8
9/*
10 * The shmid64_ds structure for parisc architecture.
11 * Note extra padding because this structure is passed back and forth
12 * between kernel and user space.
13 *
14 * Pad space is left for:
15 * - 2 miscellaneous 32-bit values
16 */
17
18struct shmid64_ds {
19	struct ipc64_perm	shm_perm;	/* operation perms */
20#if __BITS_PER_LONG == 64
21	long			shm_atime;	/* last attach time */
22	long			shm_dtime;	/* last detach time */
23	long			shm_ctime;	/* last change time */
24#else
25	unsigned long		shm_atime_high;
26	unsigned long		shm_atime;	/* last attach time */
27	unsigned long		shm_dtime_high;
28	unsigned long		shm_dtime;	/* last detach time */
29	unsigned long		shm_ctime_high;
30	unsigned long		shm_ctime;	/* last change time */
31	unsigned int		__pad4;
32#endif
33	__kernel_size_t		shm_segsz;	/* size of segment (bytes) */
34	__kernel_pid_t		shm_cpid;	/* pid of creator */
35	__kernel_pid_t		shm_lpid;	/* pid of last operator */
36	unsigned long		shm_nattch;	/* no. of current attaches */
37	unsigned long		__unused1;
38	unsigned long		__unused2;
39};
40
41struct shminfo64 {
42	unsigned long	shmmax;
43	unsigned long	shmmin;
44	unsigned long	shmmni;
45	unsigned long	shmseg;
46	unsigned long	shmall;
47	unsigned long	__unused1;
48	unsigned long	__unused2;
49	unsigned long	__unused3;
50	unsigned long	__unused4;
51};
52
53#endif /* _PARISC_SHMBUF_H */
54