1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef __ASM_X86_SHMBUF_H
3#define __ASM_X86_SHMBUF_H
4
5#if !defined(__x86_64__) || !defined(__ILP32__)
6#include <asm-generic/shmbuf.h>
7#else
8
9#include <asm/ipcbuf.h>
10#include <asm/posix_types.h>
11
12/*
13 * The shmid64_ds structure for x86 architecture with x32 ABI.
14 *
15 * On x86-32 and x86-64 we can just use the generic definition, but
16 * x32 uses the same binary layout as x86_64, which is different
17 * from other 32-bit architectures.
18 */
19
20struct shmid64_ds {
21 struct ipc64_perm shm_perm; /* operation perms */
22 __kernel_size_t shm_segsz; /* size of segment (bytes) */
23 __kernel_long_t shm_atime; /* last attach time */
24 __kernel_long_t shm_dtime; /* last detach time */
25 __kernel_long_t shm_ctime; /* last change time */
26 __kernel_pid_t shm_cpid; /* pid of creator */
27 __kernel_pid_t shm_lpid; /* pid of last operator */
28 __kernel_ulong_t shm_nattch; /* no. of current attaches */
29 __kernel_ulong_t __unused4;
30 __kernel_ulong_t __unused5;
31};
32
33struct shminfo64 {
34 __kernel_ulong_t shmmax;
35 __kernel_ulong_t shmmin;
36 __kernel_ulong_t shmmni;
37 __kernel_ulong_t shmseg;
38 __kernel_ulong_t shmall;
39 __kernel_ulong_t __unused1;
40 __kernel_ulong_t __unused2;
41 __kernel_ulong_t __unused3;
42 __kernel_ulong_t __unused4;
43};
44
45#endif
46
47#endif /* __ASM_X86_SHMBUF_H */
48