/* SPDX-License-Identifier: BSD-3-Clause-Clear */
/* Copyright (C) 2022 MediaTek Inc. */

#ifndef _COREDUMP_H_
#define _COREDUMP_H_

#include "mt7915.h"

struct trace {
        u32 id;
        u32 timestamp;
};

struct mt7915_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];

        u32 last_msg_id;
        u32 eint_info_idx;
        u32 irq_info_idx;
        u32 sched_info_idx;

        /* schedule info */
        char trace_sched[32];
        struct {
                struct trace t;
                u32 pc;
        } sched[60];

        /* irq info */
        char trace_irq[32];
        struct trace irq[60];

        /* task queue status */
        char task_qid[32];
        struct {
                u32 read;
                u32 write;
        } taskq[2];

        /* task stack info */
        char task_info[32];
        struct {
                u32 start;
                u32 end;
                u32 size;
        } taski[2];

        /* firmware context */
        char fw_context[24];
        struct {
                u32 idx;
                u32 handler;
        } context;

        /* link registers calltrace */
        u32 call_stack[16];

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

struct mt7915_coredump_mem {
        u32 len;
        u8 data[];
} __packed;

struct mt7915_mem_hdr {
        u32 start;
        u32 len;
        u8 data[];
};

struct mt7915_mem_region {
        u32 start;
        size_t len;

        const char *name;
};

#ifdef CONFIG_DEV_COREDUMP

const struct mt7915_mem_region *
mt7915_coredump_get_mem_layout(struct mt7915_dev *dev, u32 *num);
struct mt7915_crash_data *mt7915_coredump_new(struct mt7915_dev *dev);
int mt7915_coredump_submit(struct mt7915_dev *dev);
int mt7915_coredump_register(struct mt7915_dev *dev);
void mt7915_coredump_unregister(struct mt7915_dev *dev);

#else /* CONFIG_DEV_COREDUMP */

static inline const struct mt7915_mem_region *
mt7915_coredump_get_mem_layout(struct mt7915_dev *dev, u32 *num)
{
        return NULL;
}

static inline int mt7915_coredump_submit(struct mt7915_dev *dev)
{
        return 0;
}

static inline struct mt7915_crash_data *mt7915_coredump_new(struct mt7915_dev *dev)
{
        return NULL;
}

static inline int mt7915_coredump_register(struct mt7915_dev *dev)
{
        return 0;
}

static inline void mt7915_coredump_unregister(struct mt7915_dev *dev)
{
}

#endif /* CONFIG_DEV_COREDUMP */

#endif /* _COREDUMP_H_ */