blob: d6915e9f071ce24d97dccd9bf110526a412b5c69 [file] [log] [blame]
b.liue9582032025-04-17 19:18:16 +08001/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * include/asm-xtensa/msgbuf.h
4 *
5 * The msqid64_ds structure for the Xtensa architecture.
6 * Note extra padding because this structure is passed back and forth
7 * between kernel and user space.
8 *
9 * Pad space is left for:
10 * - 2 miscellaneous 32-bit values
11 *
12 * This file is subject to the terms and conditions of the GNU General
13 * Public License. See the file "COPYING" in the main directory of
14 * this archive for more details.
15 */
16
17#ifndef _XTENSA_MSGBUF_H
18#define _XTENSA_MSGBUF_H
19
20struct msqid64_ds {
21 struct ipc64_perm msg_perm;
22#ifdef __XTENSA_EB__
23 unsigned long msg_stime_high;
24 unsigned long msg_stime; /* last msgsnd time */
25 unsigned long msg_rtime_high;
26 unsigned long msg_rtime; /* last msgrcv time */
27 unsigned long msg_ctime_high;
28 unsigned long msg_ctime; /* last change time */
29#elif defined(__XTENSA_EL__)
30 unsigned long msg_stime; /* last msgsnd time */
31 unsigned long msg_stime_high;
32 unsigned long msg_rtime; /* last msgrcv time */
33 unsigned long msg_rtime_high;
34 unsigned long msg_ctime; /* last change time */
35 unsigned long msg_ctime_high;
36#else
37# error processor byte order undefined!
38#endif
39 unsigned long msg_cbytes; /* current number of bytes on queue */
40 unsigned long msg_qnum; /* number of messages in queue */
41 unsigned long msg_qbytes; /* max number of bytes on queue */
42 __kernel_pid_t msg_lspid; /* pid of last msgsnd */
43 __kernel_pid_t msg_lrpid; /* last receive pid */
44 unsigned long __unused4;
45 unsigned long __unused5;
46};
47
48#endif /* _XTENSA_MSGBUF_H */