diff options
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 00000000000..2455ef2683f --- /dev/null +++ b/include/linux/pstore.h @@ -0,0 +1,62 @@ +/* + * 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; + int (*open)(struct pstore_info *psi); + int (*close)(struct pstore_info *psi); + ssize_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*/ |