61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
|
/*
|
||
|
|
* Persistent Storage - pstore.h
|
||
|
|
*
|
||
|
|
* Copyright (C) 2010 Intel Corporation <tony.luck@intel.com>
|
||
|
|
*
|
||
|
|
* This code is the generic layer to export data records from platform
|
||
|
|
* level persistent storage via a file system.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
|
|
*/
|
||
|
|
#ifndef _LINUX_PSTORE_H
|
||
|
|
#define _LINUX_PSTORE_H
|
||
|
|
|
||
|
|
/* types */
|
||
|
|
enum pstore_type_id {
|
||
|
|
PSTORE_TYPE_DMESG = 0,
|
||
|
|
PSTORE_TYPE_MCE = 1,
|
||
|
|
PSTORE_TYPE_UNKNOWN = 255
|
||
|
|
};
|
||
|
|
|
||
|
|
struct pstore_info {
|
||
|
|
struct module *owner;
|
||
|
|
char *name;
|
||
|
|
struct mutex buf_mutex; /* serialize access to 'buf' */
|
||
|
|
char *buf;
|
||
|
|
size_t bufsize;
|
||
|
|
size_t (*read)(u64 *id, enum pstore_type_id *type,
|
||
|
|
struct timespec *time);
|
||
|
|
u64 (*write)(enum pstore_type_id type, size_t size);
|
||
|
|
int (*erase)(u64 id);
|
||
|
|
};
|
||
|
|
|
||
|
|
#ifdef CONFIG_PSTORE
|
||
|
|
extern int pstore_register(struct pstore_info *);
|
||
|
|
extern int pstore_write(enum pstore_type_id type, char *buf, size_t size);
|
||
|
|
#else
|
||
|
|
static inline int
|
||
|
|
pstore_register(struct pstore_info *psi)
|
||
|
|
{
|
||
|
|
return -ENODEV;
|
||
|
|
}
|
||
|
|
static inline int
|
||
|
|
pstore_write(enum pstore_type_id type, char *buf, size_t size)
|
||
|
|
{
|
||
|
|
return -ENODEV;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /*_LINUX_PSTORE_H*/
|