162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef __PSTORE_INTERNAL_H__ 362306a36Sopenharmony_ci#define __PSTORE_INTERNAL_H__ 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#include <linux/types.h> 662306a36Sopenharmony_ci#include <linux/time.h> 762306a36Sopenharmony_ci#include <linux/pstore.h> 862306a36Sopenharmony_ci 962306a36Sopenharmony_ciextern unsigned long kmsg_bytes; 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#ifdef CONFIG_PSTORE_FTRACE 1262306a36Sopenharmony_ciextern void pstore_register_ftrace(void); 1362306a36Sopenharmony_ciextern void pstore_unregister_ftrace(void); 1462306a36Sopenharmony_cissize_t pstore_ftrace_combine_log(char **dest_log, size_t *dest_log_size, 1562306a36Sopenharmony_ci const char *src_log, size_t src_log_size); 1662306a36Sopenharmony_ci#else 1762306a36Sopenharmony_cistatic inline void pstore_register_ftrace(void) {} 1862306a36Sopenharmony_cistatic inline void pstore_unregister_ftrace(void) {} 1962306a36Sopenharmony_cistatic inline ssize_t 2062306a36Sopenharmony_cipstore_ftrace_combine_log(char **dest_log, size_t *dest_log_size, 2162306a36Sopenharmony_ci const char *src_log, size_t src_log_size) 2262306a36Sopenharmony_ci{ 2362306a36Sopenharmony_ci *dest_log_size = 0; 2462306a36Sopenharmony_ci return 0; 2562306a36Sopenharmony_ci} 2662306a36Sopenharmony_ci#endif 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_ci#ifdef CONFIG_PSTORE_PMSG 2962306a36Sopenharmony_ciextern void pstore_register_pmsg(void); 3062306a36Sopenharmony_ciextern void pstore_unregister_pmsg(void); 3162306a36Sopenharmony_ci#else 3262306a36Sopenharmony_cistatic inline void pstore_register_pmsg(void) {} 3362306a36Sopenharmony_cistatic inline void pstore_unregister_pmsg(void) {} 3462306a36Sopenharmony_ci#endif 3562306a36Sopenharmony_ci 3662306a36Sopenharmony_ciextern struct pstore_info *psinfo; 3762306a36Sopenharmony_ci 3862306a36Sopenharmony_ciextern void pstore_set_kmsg_bytes(int); 3962306a36Sopenharmony_ciextern void pstore_get_records(int); 4062306a36Sopenharmony_ciextern void pstore_get_backend_records(struct pstore_info *psi, 4162306a36Sopenharmony_ci struct dentry *root, int quiet); 4262306a36Sopenharmony_ciextern int pstore_put_backend_records(struct pstore_info *psi); 4362306a36Sopenharmony_ciextern int pstore_mkfile(struct dentry *root, 4462306a36Sopenharmony_ci struct pstore_record *record); 4562306a36Sopenharmony_ciextern void pstore_record_init(struct pstore_record *record, 4662306a36Sopenharmony_ci struct pstore_info *psi); 4762306a36Sopenharmony_ci 4862306a36Sopenharmony_ci/* Called during pstore init/exit. */ 4962306a36Sopenharmony_ciint __init pstore_init_fs(void); 5062306a36Sopenharmony_civoid __exit pstore_exit_fs(void); 5162306a36Sopenharmony_ci 5262306a36Sopenharmony_ci#endif 53