/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef __ASM_X86_SHMBUF_H
#define __ASM_X86_SHMBUF_H

#if !defined(__x86_64__) || !defined(__ILP32__)
#include <asm-generic/shmbuf.h>
#else

#include <asm/ipcbuf.h>
#include <asm/posix_types.h>

/*
 * The shmid64_ds structure for x86 architecture with x32 ABI.
 *
 * On x86-32 and x86-64 we can just use the generic definition, but
 * x32 uses the same binary layout as x86_64, which is different
 * from other 32-bit architectures.
 */

struct shmid64_ds {
        struct ipc64_perm       shm_perm;       /* operation perms */
        __kernel_size_t         shm_segsz;      /* size of segment (bytes) */
        __kernel_long_t         shm_atime;      /* last attach time */
        __kernel_long_t         shm_dtime;      /* last detach time */
        __kernel_long_t         shm_ctime;      /* last change time */
        __kernel_pid_t          shm_cpid;       /* pid of creator */
        __kernel_pid_t          shm_lpid;       /* pid of last operator */
        __kernel_ulong_t        shm_nattch;     /* no. of current attaches */
        __kernel_ulong_t        __unused4;
        __kernel_ulong_t        __unused5;
};

struct shminfo64 {
        __kernel_ulong_t        shmmax;
        __kernel_ulong_t        shmmin;
        __kernel_ulong_t        shmmni;
        __kernel_ulong_t        shmseg;
        __kernel_ulong_t        shmall;
        __kernel_ulong_t        __unused1;
        __kernel_ulong_t        __unused2;
        __kernel_ulong_t        __unused3;
        __kernel_ulong_t        __unused4;
};

#endif

#endif /* __ASM_X86_SHMBUF_H */