xref: /openbmc/linux/arch/xtensa/include/uapi/asm/sembuf.h (revision e2c75e76)
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  * - 64-bit time_t to solve y2038 problem
18  * - 2 miscellaneous 32-bit values
19  *
20  */
21 
22 #ifndef _XTENSA_SEMBUF_H
23 #define _XTENSA_SEMBUF_H
24 
25 #include <asm/byteorder.h>
26 
27 struct semid64_ds {
28 	struct ipc64_perm sem_perm;		/* permissions .. see ipc.h */
29 #ifdef __XTENSA_EL__
30 	__kernel_time_t	sem_otime;		/* last semop time */
31 	unsigned long	__unused1;
32 	__kernel_time_t	sem_ctime;		/* last change time */
33 	unsigned long	__unused2;
34 #else
35 	unsigned long	__unused1;
36 	__kernel_time_t	sem_otime;		/* last semop time */
37 	unsigned long	__unused2;
38 	__kernel_time_t	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