diff options
author | Glenn Elliott <gelliott@cs.unc.edu> | 2012-03-04 19:47:13 -0500 |
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committer | Glenn Elliott <gelliott@cs.unc.edu> | 2012-03-04 19:47:13 -0500 |
commit | c71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch) | |
tree | ecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /include/linux/pstore.h | |
parent | ea53c912f8a86a8567697115b6a0d8152beee5c8 (diff) | |
parent | 6a00f206debf8a5c8899055726ad127dbeeed098 (diff) |
Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp
Conflicts:
litmus/sched_cedf.c
Diffstat (limited to 'include/linux/pstore.h')
-rw-r--r-- | include/linux/pstore.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/include/linux/pstore.h b/include/linux/pstore.h new file mode 100644 index 000000000000..2455ef2683f0 --- /dev/null +++ b/include/linux/pstore.h | |||
@@ -0,0 +1,62 @@ | |||
1 | /* | ||
2 | * Persistent Storage - pstore.h | ||
3 | * | ||
4 | * Copyright (C) 2010 Intel Corporation <tony.luck@intel.com> | ||
5 | * | ||
6 | * This code is the generic layer to export data records from platform | ||
7 | * level persistent storage via a file system. | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or modify | ||
10 | * it under the terms of the GNU General Public License version 2 as | ||
11 | * published by the Free Software Foundation. | ||
12 | * | ||
13 | * This program is distributed in the hope that it will be useful, | ||
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 | * GNU General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU General Public License | ||
19 | * along with this program; if not, write to the Free Software | ||
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
21 | */ | ||
22 | #ifndef _LINUX_PSTORE_H | ||
23 | #define _LINUX_PSTORE_H | ||
24 | |||
25 | /* types */ | ||
26 | enum pstore_type_id { | ||
27 | PSTORE_TYPE_DMESG = 0, | ||
28 | PSTORE_TYPE_MCE = 1, | ||
29 | PSTORE_TYPE_UNKNOWN = 255 | ||
30 | }; | ||
31 | |||
32 | struct pstore_info { | ||
33 | struct module *owner; | ||
34 | char *name; | ||
35 | struct mutex buf_mutex; /* serialize access to 'buf' */ | ||
36 | char *buf; | ||
37 | size_t bufsize; | ||
38 | int (*open)(struct pstore_info *psi); | ||
39 | int (*close)(struct pstore_info *psi); | ||
40 | ssize_t (*read)(u64 *id, enum pstore_type_id *type, | ||
41 | struct timespec *time); | ||
42 | u64 (*write)(enum pstore_type_id type, size_t size); | ||
43 | int (*erase)(u64 id); | ||
44 | }; | ||
45 | |||
46 | #ifdef CONFIG_PSTORE | ||
47 | extern int pstore_register(struct pstore_info *); | ||
48 | extern int pstore_write(enum pstore_type_id type, char *buf, size_t size); | ||
49 | #else | ||
50 | static inline int | ||
51 | pstore_register(struct pstore_info *psi) | ||
52 | { | ||
53 | return -ENODEV; | ||
54 | } | ||
55 | static inline int | ||
56 | pstore_write(enum pstore_type_id type, char *buf, size_t size) | ||
57 | { | ||
58 | return -ENODEV; | ||
59 | } | ||
60 | #endif | ||
61 | |||
62 | #endif /*_LINUX_PSTORE_H*/ | ||