1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __PSTORE_INTERNAL_H__
3 #define __PSTORE_INTERNAL_H__
5 #include <linux/types.h>
6 #include <linux/time.h>
7 #include <linux/pstore.h>
9 #define PSTORE_DEFAULT_KMSG_BYTES 10240
10 extern unsigned long kmsg_bytes
;
12 #ifdef CONFIG_PSTORE_FTRACE
13 extern void pstore_register_ftrace(void);
14 extern void pstore_unregister_ftrace(void);
16 static inline void pstore_register_ftrace(void) {}
17 static inline void pstore_unregister_ftrace(void) {}
20 #ifdef CONFIG_PSTORE_PMSG
21 extern void pstore_register_pmsg(void);
22 extern void pstore_unregister_pmsg(void);
24 static inline void pstore_register_pmsg(void) {}
25 static inline void pstore_unregister_pmsg(void) {}
28 extern struct pstore_info
*psinfo
;
30 extern void pstore_set_kmsg_bytes(int);
31 extern void pstore_get_records(int);
32 extern void pstore_get_backend_records(struct pstore_info
*psi
,
33 struct dentry
*root
, int quiet
);
34 extern int pstore_mkfile(struct dentry
*root
,
35 struct pstore_record
*record
);
36 extern bool pstore_is_mounted(void);
37 extern void pstore_record_init(struct pstore_record
*record
,
38 struct pstore_info
*psi
);
40 /* Called during pstore init/exit. */
41 int __init
pstore_init_fs(void);
42 void __exit
pstore_exit_fs(void);