xref: /linux/arch/xtensa/include/uapi/asm/sembuf.h (revision b497ef570ecdeeaef4335ecc4f712cbaae0918a5)
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 
26 struct semid64_ds {
27 	struct ipc64_perm sem_perm;		/* permissions .. see ipc.h */
28 #ifdef __XTENSA_EL__
29 	unsigned long	sem_otime;		/* last semop time */
30 	unsigned long	sem_otime_high;
31 	unsigned long	sem_ctime;		/* last change time */
32 	unsigned long	sem_ctime_high;
33 #else
34 	unsigned long	sem_otime_high;
35 	unsigned long	sem_otime;		/* last semop time */
36 	unsigned long	sem_ctime_high;
37 	unsigned long	sem_ctime;		/* last change time */
38 #endif
39 	unsigned long	sem_nsems;		/* no. of semaphores in array */
40 	unsigned long	__unused3;
41 	unsigned long	__unused4;
42 };
43 
44 #endif /* __ASM_XTENSA_SEMBUF_H */
45