/*
 * Copyright (C) 2015-2018 Alibaba Group Holding Limited
 */

#ifndef DEBUG_LASTWORD_H
#define DEBUG_LASTWORD_H

#ifdef __cplusplus
extern "C" {
#endif

#define DEBUG_PANIC_HEADER_MAGIC 0xdeba5a5aa5a5abed
#define DEBUG_PANIC_LOG_MAGIC    0xdeba5a5aa5a5abed
#define DEFAULT_REBOOT_REASON    UND_STATIS_DEV_REPOWER_REASON

#define RUNTIME_COUNT 20

typedef struct {
    uint64_t header_magic;
    uint32_t reboot_reason_id;
    uint32_t reboot_sum_count;
    uint32_t reboot_reason;
    uint32_t panic_count;       /* record info of runtime before panic */
    uint32_t runtime_record_id;
    int64_t  runtime_before_painc[RUNTIME_COUNT];
    uint64_t log_magic;
    uint16_t crc16;
} debug_panic_info_head_t;

int  print_str(const char *fmt, ...);
int  vprint_str(const char *fmt, va_list ap);

void         debug_lastword_init(void);
void         debug_reboot_reason_update(unsigned int reason);
unsigned int debug_reboot_reason_get(void);
int64_t      debug_get_painc_runtime(int panic_count, int *real_panic_count);

#ifdef __cplusplus
}
#endif

#endif /* DEBUG_LASTWORD_H */