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authorGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
committerGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
commitc71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch)
treeecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /include/linux/pstore.h
parentea53c912f8a86a8567697115b6a0d8152beee5c8 (diff)
parent6a00f206debf8a5c8899055726ad127dbeeed098 (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.h62
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 */
26enum pstore_type_id {
27 PSTORE_TYPE_DMESG = 0,
28 PSTORE_TYPE_MCE = 1,
29 PSTORE_TYPE_UNKNOWN = 255
30};
31
32struct 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
47extern int pstore_register(struct pstore_info *);
48extern int pstore_write(enum pstore_type_id type, char *buf, size_t size);
49#else
50static inline int
51pstore_register(struct pstore_info *psi)
52{
53 return -ENODEV;
54}
55static inline int
56pstore_write(enum pstore_type_id type, char *buf, size_t size)
57{
58 return -ENODEV;
59}
60#endif
61
62#endif /*_LINUX_PSTORE_H*/