/* SPDX-License-Identifier: BSD-3-Clause-Clear */
/* Copyright (C) 2023 MediaTek Inc. */

#ifndef _COREDUMP_H_
#define _COREDUMP_H_

#include "mt7996.h"

struct mt7996_coredump {
        char magic[16];

        u32 len;

        guid_t guid;

        /* time-of-day stamp */
        u64 tv_sec;
        /* time-of-day stamp, nano-seconds */
        u64 tv_nsec;
        /* kernel version */
        char kernel[64];
        /* firmware version */
        char fw_ver[ETHTOOL_FWVERS_LEN];

        u32 device_id;

        /* exception state */
        char fw_state[12];

        /* program counters */
        char pc_current[16];
        u32 pc_stack[17];
        /* link registers */
        u32 lr_stack[16];

        /* memory content */
        u8 data[];
} __packed;

struct mt7996_coredump_mem {
        u32 len;
        u8 data[];
} __packed;

struct mt7996_mem_hdr {
        u32 start;
        u32 len;
        u8 data[];
};

struct mt7996_mem_region {
        u32 start;
        size_t len;

        const char *name;
};

#ifdef CONFIG_DEV_COREDUMP

const struct mt7996_mem_region *
mt7996_coredump_get_mem_layout(struct mt7996_dev *dev, u32 *num);
struct mt7996_crash_data *mt7996_coredump_new(struct mt7996_dev *dev);
int mt7996_coredump_submit(struct mt7996_dev *dev);
int mt7996_coredump_register(struct mt7996_dev *dev);
void mt7996_coredump_unregister(struct mt7996_dev *dev);

#else /* CONFIG_DEV_COREDUMP */

static inline const struct mt7996_mem_region *
mt7996_coredump_get_mem_layout(struct mt7996_dev *dev, u32 *num)
{
        return NULL;
}

static inline int mt7996_coredump_submit(struct mt7996_dev *dev)
{
        return 0;
}

static inline struct
mt7996_crash_data *mt7996_coredump_new(struct mt7996_dev *dev)
{
        return NULL;
}

static inline int mt7996_coredump_register(struct mt7996_dev *dev)
{
        return 0;
}

static inline void mt7996_coredump_unregister(struct mt7996_dev *dev)
{
}

#endif /* CONFIG_DEV_COREDUMP */

#endif /* _COREDUMP_H_ */