| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ | |
| /* | |
| * 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, but the padding is on the wrong | |
| * side for big-endian xtensa, for historic reasons. | |
| * | |
| * Pad space is left for: | |
| * - 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 | |
| struct shmid64_ds { | |
| struct ipc64_perm shm_perm; /* operation perms */ | |
| size_t shm_segsz; /* size of segment (bytes) */ | |
| unsigned long shm_atime; /* last attach time */ | |
| unsigned long shm_atime_high; | |
| unsigned long shm_dtime; /* last detach time */ | |
| unsigned long shm_dtime_high; | |
| unsigned long shm_ctime; /* last change time */ | |
| unsigned long shm_ctime_high; | |
| __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; | |
| }; | |
| 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 */ |