1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * include/asm-xtensa/sembuf.h 4 * 5 * The semid64_ds structure for Xtensa architecture. 6 * 7 * This file is subject to the terms and conditions of the GNU General Public 8 * License. See the file "COPYING" in the main directory of this archive 9 * for more details. 10 * 11 * Copyright (C) 2001 - 2005 Tensilica Inc. 12 * 13 * Note extra padding because this structure is passed back and forth 14 * between kernel and user space. 15 * 16 * Pad space is left for: 17 * - 2 miscellaneous 32-bit values 18 * 19 */ 20 21 #ifndef _XTENSA_SEMBUF_H 22 #define _XTENSA_SEMBUF_H 23 24 #include <asm/byteorder.h> 25 #include <asm/ipcbuf.h> 26 27 struct semid64_ds { 28 struct ipc64_perm sem_perm; /* permissions .. see ipc.h */ 29 #ifdef __XTENSA_EL__ 30 unsigned long sem_otime; /* last semop time */ 31 unsigned long sem_otime_high; 32 unsigned long sem_ctime; /* last change time */ 33 unsigned long sem_ctime_high; 34 #else 35 unsigned long sem_otime_high; 36 unsigned long sem_otime; /* last semop time */ 37 unsigned long sem_ctime_high; 38 unsigned long sem_ctime; /* last change time */ 39 #endif 40 unsigned long sem_nsems; /* no. of semaphores in array */ 41 unsigned long __unused3; 42 unsigned long __unused4; 43 }; 44 45 #endif /* __ASM_XTENSA_SEMBUF_H */ 46