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 9 extern unsigned int kmsg_bytes; 10 11 #ifdef CONFIG_PSTORE_FTRACE 12 extern unsigned long decode_ip(unsigned long ip); 13 extern void pstore_register_ftrace(void); 14 extern void pstore_unregister_ftrace(void); 15 ssize_t pstore_ftrace_combine_log(char **dest_log, size_t *dest_log_size, 16 const char *src_log, size_t src_log_size); 17 #else 18 static inline void pstore_register_ftrace(void) {} 19 static inline void pstore_unregister_ftrace(void) {} 20 static inline unsigned long decode_ip(unsigned long ip) { return ip; } 21 static inline ssize_t 22 pstore_ftrace_combine_log(char **dest_log, size_t *dest_log_size, 23 const char *src_log, size_t src_log_size) 24 { 25 *dest_log_size = 0; 26 return 0; 27 } 28 #endif 29 30 #ifdef CONFIG_PSTORE_PMSG 31 extern void pstore_register_pmsg(void); 32 extern void pstore_unregister_pmsg(void); 33 #else 34 static inline void pstore_register_pmsg(void) {} 35 static inline void pstore_unregister_pmsg(void) {} 36 #endif 37 38 extern struct pstore_info *psinfo; 39 40 extern void pstore_set_kmsg_bytes(unsigned int bytes); 41 extern void pstore_get_records(int); 42 extern void pstore_get_backend_records(struct pstore_info *psi, 43 struct dentry *root, int quiet); 44 extern int pstore_put_backend_records(struct pstore_info *psi); 45 extern int pstore_mkfile(struct dentry *root, 46 struct pstore_record *record); 47 extern void pstore_record_init(struct pstore_record *record, 48 struct pstore_info *psi); 49 50 /* Called during pstore init/exit. */ 51 int __init pstore_init_fs(void); 52 void __exit pstore_exit_fs(void); 53 54 #endif 55