scatterlist: add more safeguards
[pv_ops_mirror.git] / include / asm-xtensa / sembuf.h
blobc15870493b33e9610275d8af0785992275e95c28
1 /*
2 * include/asm-xtensa/sembuf.h
4 * The semid64_ds structure for Xtensa architecture.
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
8 * for more details.
10 * Copyright (C) 2001 - 2005 Tensilica Inc.
12 * Note extra padding because this structure is passed back and forth
13 * between kernel and user space.
15 * Pad space is left for:
16 * - 64-bit time_t to solve y2038 problem
17 * - 2 miscellaneous 32-bit values
21 #ifndef _XTENSA_SEMBUF_H
22 #define _XTENSA_SEMBUF_H
24 #include <asm/byteorder.h>
26 struct semid64_ds {
27 struct ipc64_perm sem_perm; /* permissions .. see ipc.h */
28 #ifdef __XTENSA_EL__
29 __kernel_time_t sem_otime; /* last semop time */
30 unsigned long __unused1;
31 __kernel_time_t sem_ctime; /* last change time */
32 unsigned long __unused2;
33 #else
34 unsigned long __unused1;
35 __kernel_time_t sem_otime; /* last semop time */
36 unsigned long __unused2;
37 __kernel_time_t 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;
44 #endif /* __ASM_XTENSA_SEMBUF_H */