root/include/asm-xtensa/shmbuf.h

INCLUDED FROM

/*
 * include/asm-xtensa/shmbuf.h
 *
 * The shmid64_ds structure for Xtensa architecture.
 * Note extra padding because this structure is passed back and forth
 * between kernel and user space.
 *
 * Pad space is left for:
 * - 64-bit time_t to solve y2038 problem
 * - 2 miscellaneous 32-bit values
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 2001 - 2005 Tensilica Inc.
 */

#ifndef _XTENSA_SHMBUF_H
#define _XTENSA_SHMBUF_H

#if defined (__XTENSA_EL__)
struct shmid64_ds {
        struct ipc64_perm       shm_perm;       /* operation perms */
        size_t                  shm_segsz;      /* size of segment (bytes) */
        __kernel_time_t         shm_atime;      /* last attach time */
        unsigned long           __unused1;
        __kernel_time_t         shm_dtime;      /* last detach time */
        unsigned long           __unused2;
        __kernel_time_t         shm_ctime;      /* last change time */
        unsigned long           __unused3;
        __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           __unused4;
        unsigned long           __unused5;
};
#elif defined (__XTENSA_EB__)
struct shmid64_ds {
        struct ipc64_perm       shm_perm;       /* operation perms */
        size_t                  shm_segsz;      /* size of segment (bytes) */
        __kernel_time_t         shm_atime;      /* last attach time */
        unsigned long           __unused1;
        __kernel_time_t         shm_dtime;      /* last detach time */
        unsigned long           __unused2;
        __kernel_time_t         shm_ctime;      /* last change time */
        unsigned long           __unused3;
        __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           __unused4;
        unsigned long           __unused5;
};
#else
# error endian order not defined
#endif


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  /* _XTENSA_SHMBUF_H */