53 lines · c
1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef __PSTORE_INTERNAL_H__3#define __PSTORE_INTERNAL_H__4 5#include <linux/types.h>6#include <linux/time.h>7#include <linux/pstore.h>8 9extern unsigned long kmsg_bytes;10 11#ifdef CONFIG_PSTORE_FTRACE12extern void pstore_register_ftrace(void);13extern void pstore_unregister_ftrace(void);14ssize_t pstore_ftrace_combine_log(char **dest_log, size_t *dest_log_size,15 const char *src_log, size_t src_log_size);16#else17static inline void pstore_register_ftrace(void) {}18static inline void pstore_unregister_ftrace(void) {}19static inline ssize_t20pstore_ftrace_combine_log(char **dest_log, size_t *dest_log_size,21 const char *src_log, size_t src_log_size)22{23 *dest_log_size = 0;24 return 0;25}26#endif27 28#ifdef CONFIG_PSTORE_PMSG29extern void pstore_register_pmsg(void);30extern void pstore_unregister_pmsg(void);31#else32static inline void pstore_register_pmsg(void) {}33static inline void pstore_unregister_pmsg(void) {}34#endif35 36extern struct pstore_info *psinfo;37 38extern void pstore_set_kmsg_bytes(int);39extern void pstore_get_records(int);40extern void pstore_get_backend_records(struct pstore_info *psi,41 struct dentry *root, int quiet);42extern int pstore_put_backend_records(struct pstore_info *psi);43extern int pstore_mkfile(struct dentry *root,44 struct pstore_record *record);45extern void pstore_record_init(struct pstore_record *record,46 struct pstore_info *psi);47 48/* Called during pstore init/exit. */49int __init pstore_init_fs(void);50void __exit pstore_exit_fs(void);51 52#endif53