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

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

/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

/*
 * The shmid64_ds structure for PPC architecture.
 *
 * Note extra padding because this structure is passed back and forth
 * between kernel and user space.
 *
 * Pad space is left for:
 * - 2 miscellaneous 32-bit values
 */

struct shmid64_ds {
        struct ipc64_perm       shm_perm;       /* operation perms */
#ifdef __powerpc64__
        long            shm_atime;      /* last attach time */
        long            shm_dtime;      /* last detach time */
        long            shm_ctime;      /* last change time */
#else
        unsigned long           shm_atime_high;
        unsigned long           shm_atime;      /* last attach time */
        unsigned long           shm_dtime_high;
        unsigned long           shm_dtime;      /* last detach time */
        unsigned long           shm_ctime_high;
        unsigned long           shm_ctime;      /* last change time */
        unsigned long           __unused4;
#endif
        __kernel_size_t         shm_segsz;      /* size of segment (bytes) */
        __kernel_pid_t          shm_cpid;       /* pid of creator */
        __kernel_pid_t          shm_lpid;       /* pid of last operator */
        unsigned long           shm_nattch;     /* no. of current attaches */
        unsigned long           __unused5;
        unsigned long           __unused6;
};

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

#endif  /* _ASM_POWERPC_SHMBUF_H */