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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 */