1 /* 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
20 #include <asm/ipcbuf.h>
21
22 struct msqid64_ds {
23 struct ipc64_perm msg_perm;
24 #ifdef __XTENSA_EB__
25 unsigned long msg_stime_high;
26 unsigned long msg_stime; /* last msgsnd time */
27 unsigned long msg_rtime_high;
28 unsigned long msg_rtime; /* last msgrcv time */
29 unsigned long msg_ctime_high;
30 unsigned long msg_ctime; /* last change time */
31 #elif defined(__XTENSA_EL__)
32 unsigned long msg_stime; /* last msgsnd time */
33 unsigned long msg_stime_high;
34 unsigned long msg_rtime; /* last msgrcv time */
35 unsigned long msg_rtime_high;
36 unsigned long msg_ctime; /* last change time */
37 unsigned long msg_ctime_high;
38 #else
39 # error processor byte order undefined!
40 #endif
41 unsigned long msg_cbytes; /* current number of bytes on queue */
42 unsigned long msg_qnum; /* number of messages in queue */
43 unsigned long msg_qbytes; /* max number of bytes on queue */
44 __kernel_pid_t msg_lspid; /* pid of last msgsnd */
45 __kernel_pid_t msg_lrpid; /* last receive pid */
46 unsigned long __unused4;
47 unsigned long __unused5;
48 };
49
50 #endif /* _XTENSA_MSGBUF_H */
51
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