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Diffstat (limited to 'include/asm-xtensa/shmbuf.h')
-rw-r--r-- | include/asm-xtensa/shmbuf.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/asm-xtensa/shmbuf.h b/include/asm-xtensa/shmbuf.h new file mode 100644 index 000000000000..a30b81a4b933 --- /dev/null +++ b/include/asm-xtensa/shmbuf.h | |||
@@ -0,0 +1,50 @@ | |||
1 | /* | ||
2 | * include/asm-xtensa/shmbuf.h | ||
3 | * | ||
4 | * The shmid64_ds structure for 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 Public | ||
13 | * License. See the file "COPYING" in the main directory of this archive | ||
14 | * for more details. | ||
15 | * | ||
16 | * Copyright (C) 2001 - 2005 Tensilica Inc. | ||
17 | */ | ||
18 | |||
19 | #ifndef _XTENSA_SHMBUF_H | ||
20 | #define _XTENSA_SHMBUF_H | ||
21 | |||
22 | struct shmid64_ds { | ||
23 | struct ipc64_perm shm_perm; /* operation perms */ | ||
24 | size_t shm_segsz; /* size of segment (bytes) */ | ||
25 | __kernel_time_t shm_atime; /* last attach time */ | ||
26 | unsigned long __unused1; | ||
27 | __kernel_time_t shm_dtime; /* last detach time */ | ||
28 | unsigned long __unused2; | ||
29 | __kernel_time_t shm_ctime; /* last change time */ | ||
30 | unsigned long __unused3; | ||
31 | __kernel_pid_t shm_cpid; /* pid of creator */ | ||
32 | __kernel_pid_t shm_lpid; /* pid of last operator */ | ||
33 | unsigned long shm_nattch; /* no. of current attaches */ | ||
34 | unsigned long __unused4; | ||
35 | unsigned long __unused5; | ||
36 | }; | ||
37 | |||
38 | struct shminfo64 { | ||
39 | unsigned long shmmax; | ||
40 | unsigned long shmmin; | ||
41 | unsigned long shmmni; | ||
42 | unsigned long shmseg; | ||
43 | unsigned long shmall; | ||
44 | unsigned long __unused1; | ||
45 | unsigned long __unused2; | ||
46 | unsigned long __unused3; | ||
47 | unsigned long __unused4; | ||
48 | }; | ||
49 | |||
50 | #endif /* _XTENSA_SHMBUF_H */ | ||