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 * The shmid64_ds structure for x86 architecture with x32 ABI.
10 *
11 * On x86-32 and x86-64 we can just use the generic definition, but
12 * x32 uses the same binary layout as x86_64, which is differnet
13 * from other 32-bit architectures.
14 */
15
16struct shmid64_ds {
17	struct ipc64_perm	shm_perm;	/* operation perms */
18	size_t			shm_segsz;	/* size of segment (bytes) */
19	__kernel_long_t		shm_atime;	/* last attach time */
20	__kernel_long_t		shm_dtime;	/* last detach time */
21	__kernel_long_t		shm_ctime;	/* last change time */
22	__kernel_pid_t		shm_cpid;	/* pid of creator */
23	__kernel_pid_t		shm_lpid;	/* pid of last operator */
24	__kernel_ulong_t	shm_nattch;	/* no. of current attaches */
25	__kernel_ulong_t	__unused4;
26	__kernel_ulong_t	__unused5;
27};
28
29struct shminfo64 {
30	__kernel_ulong_t	shmmax;
31	__kernel_ulong_t	shmmin;
32	__kernel_ulong_t	shmmni;
33	__kernel_ulong_t	shmseg;
34	__kernel_ulong_t	shmall;
35	__kernel_ulong_t	__unused1;
36	__kernel_ulong_t	__unused2;
37	__kernel_ulong_t	__unused3;
38	__kernel_ulong_t	__unused4;
39};
40
41#endif
42
43#endif /* __ASM_X86_SHMBUF_H */
44