linux/drivers/net/wireless/ath/ath10k/coredump.h

/* SPDX-License-Identifier: ISC */
/*
 * Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
 * Copyright (c) 2022, 2024 Qualcomm Innovation Center, Inc. All rights reserved.
 */

#ifndef _COREDUMP_H_
#define _COREDUMP_H_

#include "core.h"

#define ATH10K_FW_CRASH_DUMP_VERSION …

/**
 * enum ath10k_fw_crash_dump_type - types of data in the dump file
 * @ATH10K_FW_CRASH_DUMP_REGISTERS: Register crash dump in binary format
 * @ATH10K_FW_CRASH_DUMP_CE_DATA: Copy Engine crash dump data
 * @ATH10K_FW_CRASH_DUMP_RAM_DATA: RAM crash dump data, contains multiple
 *				   struct ath10k_dump_ram_data_hdr
 * @ATH10K_FW_CRASH_DUMP_MAX: Maximum enumeration
 */
enum ath10k_fw_crash_dump_type { … };

struct ath10k_tlv_dump_data { … } __packed;

struct ath10k_dump_file_data { … } __packed;

struct ath10k_dump_ram_data_hdr { … };

/* magic number to fill the holes not copied due to sections in regions */
#define ATH10K_MAGIC_NOT_COPIED …

/* part of user space ABI */
enum ath10k_mem_region_type { … };

/* Define a section of the region which should be copied. As not all parts
 * of the memory is possible to copy, for example some of the registers can
 * be like that, sections can be used to define what is safe to copy.
 *
 * To minimize the size of the array, the list must obey the format:
 * '{start0,stop0},{start1,stop1},{start2,stop2}....' The values below must
 * also obey to 'start0 < stop0 < start1 < stop1 < start2 < ...', otherwise
 * we may encounter error in the dump processing.
 */
struct ath10k_mem_section { … };

/* One region of a memory layout. If the sections field is null entire
 * region is copied. If sections is non-null only the areas specified in
 * sections are copied and rest of the areas are filled with
 * ATH10K_MAGIC_NOT_COPIED.
 */
struct ath10k_mem_region { … };

/* Contains the memory layout of a hardware version identified with the
 * hardware id, split into regions.
 */
struct ath10k_hw_mem_layout { … };

/* FIXME: where to put this? */
extern unsigned long ath10k_coredump_mask;

#ifdef CONFIG_DEV_COREDUMP

int ath10k_coredump_submit(struct ath10k *ar);
struct ath10k_fw_crash_data *ath10k_coredump_new(struct ath10k *ar);
int ath10k_coredump_create(struct ath10k *ar);
int ath10k_coredump_register(struct ath10k *ar);
void ath10k_coredump_unregister(struct ath10k *ar);
void ath10k_coredump_destroy(struct ath10k *ar);

const struct ath10k_hw_mem_layout *_ath10k_coredump_get_mem_layout(struct ath10k *ar);
const struct ath10k_hw_mem_layout *ath10k_coredump_get_mem_layout(struct ath10k *ar);

#else /* CONFIG_DEV_COREDUMP */

static inline int ath10k_coredump_submit(struct ath10k *ar)
{
	return 0;
}

static inline struct ath10k_fw_crash_data *ath10k_coredump_new(struct ath10k *ar)
{
	return NULL;
}

static inline int ath10k_coredump_create(struct ath10k *ar)
{
	return 0;
}

static inline int ath10k_coredump_register(struct ath10k *ar)
{
	return 0;
}

static inline void ath10k_coredump_unregister(struct ath10k *ar)
{
}

static inline void ath10k_coredump_destroy(struct ath10k *ar)
{
}

static inline const struct ath10k_hw_mem_layout *
ath10k_coredump_get_mem_layout(struct ath10k *ar)
{
	return NULL;
}

static inline const struct ath10k_hw_mem_layout *
_ath10k_coredump_get_mem_layout(struct ath10k *ar)
{
	return NULL;
}

#endif /* CONFIG_DEV_COREDUMP */

#endif /* _COREDUMP_H_ */