diff options
Diffstat (limited to 'arch/xtensa/include/asm/msgbuf.h')
-rw-r--r-- | arch/xtensa/include/asm/msgbuf.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/xtensa/include/asm/msgbuf.h b/arch/xtensa/include/asm/msgbuf.h new file mode 100644 index 000000000000..693c96755280 --- /dev/null +++ b/arch/xtensa/include/asm/msgbuf.h | |||
@@ -0,0 +1,48 @@ | |||
1 | /* | ||
2 | * include/asm-xtensa/msgbuf.h | ||
3 | * | ||
4 | * The msqid64_ds structure for the Xtensa architecture. | ||
5 | * Note extra padding because this structure is passed back and forth | ||
6 | * between kernel and user space. | ||
7 | * | ||
8 | * Pad space is left for: | ||
9 | * - 64-bit time_t to solve y2038 problem | ||
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 | struct msqid64_ds { | ||
21 | struct ipc64_perm msg_perm; | ||
22 | #ifdef __XTENSA_EB__ | ||
23 | unsigned int __unused1; | ||
24 | __kernel_time_t msg_stime; /* last msgsnd time */ | ||
25 | unsigned int __unused2; | ||
26 | __kernel_time_t msg_rtime; /* last msgrcv time */ | ||
27 | unsigned int __unused3; | ||
28 | __kernel_time_t msg_ctime; /* last change time */ | ||
29 | #elif defined(__XTENSA_EL__) | ||
30 | __kernel_time_t msg_stime; /* last msgsnd time */ | ||
31 | unsigned int __unused1; | ||
32 | __kernel_time_t msg_rtime; /* last msgrcv time */ | ||
33 | unsigned int __unused2; | ||
34 | __kernel_time_t msg_ctime; /* last change time */ | ||
35 | unsigned int __unused3; | ||
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 */ | ||