xref: /openbmc/linux/arch/xtensa/include/uapi/asm/msgbuf.h (revision 9ef0e004)
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