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/*
* Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _COREDUMP_H_
#define _COREDUMP_H_
#include "core.h"
#define ATH10K_FW_CRASH_DUMP_VERSION 1
/**
* enum ath10k_fw_crash_dump_type - types of data in the dump file
* @ATH10K_FW_CRASH_DUMP_REGDUMP: Register crash dump in binary format
*/
enum ath10k_fw_crash_dump_type {
ATH10K_FW_CRASH_DUMP_REGISTERS = 0,
ATH10K_FW_CRASH_DUMP_CE_DATA = 1,
/* contains multiple struct ath10k_dump_ram_data_hdr */
ATH10K_FW_CRASH_DUMP_RAM_DATA = 2,
ATH10K_FW_CRASH_DUMP_MAX,
};
struct ath10k_tlv_dump_data {
/* see ath10k_fw_crash_dump_type above */
__le32 type;
/* in bytes */
__le32 tlv_len;
/* pad to 32-bit boundaries as needed */
u8 tlv_data[];
} __packed;
struct ath10k_dump_file_data {
/* dump file information */
/* "ATH10K-FW-DUMP" */
char df_magic[16];
__le32 len;
/* file dump version */
__le32 version;
/* some info we can get from ath10k struct that might help */
guid_t guid;
__le32 chip_id;
/* 0 for now, in place for later hardware */
__le32 bus_type;
__le32 target_version;
__le32 fw_version_major;
__le32 fw_version_minor;
__le32 fw_version_release;
__le32 fw_version_build;
__le32 phy_capability;
__le32 hw_min_tx_power;
__le32 hw_max_tx_power;
__le32 ht_cap_info;
__le32 vht_cap_info;
__le32 num_rf_chains;
/* firmware version string */
char fw_ver[ETHTOOL_FWVERS_LEN];
/* Kernel related information */
/* time-of-day stamp */
__le64 tv_sec;
/* time-of-day stamp, nano-seconds */
__le64 tv_nsec;
/* LINUX_VERSION_CODE */
__le32 kernel_ver_code;
/* VERMAGIC_STRING */
char kernel_ver[64];
/* room for growth w/out changing binary format */
u8 unused[128];
/* struct ath10k_tlv_dump_data + more */
u8 data[0];
} __packed;
struct ath10k_dump_ram_data_hdr {
/* enum ath10k_mem_region_type */
__le32 region_type;
__le32 start;
/* length of payload data, not including this header */
__le32 length;
u8 data[0];
};
/* magic number to fill the holes not copied due to sections in regions */
#define ATH10K_MAGIC_NOT_COPIED 0xAA
/* part of user space ABI */
enum ath10k_mem_region_type {
ATH10K_MEM_REGION_TYPE_REG = 1,
ATH10K_MEM_REGION_TYPE_DRAM = 2,
ATH10K_MEM_REGION_TYPE_AXI = 3,
ATH10K_MEM_REGION_TYPE_IRAM1 = 4,
ATH10K_MEM_REGION_TYPE_IRAM2 = 5,
ATH10K_MEM_REGION_TYPE_IOSRAM = 6,
ATH10K_MEM_REGION_TYPE_IOREG = 7,
};
/* 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 encouter error in the dump processing.
*/
struct ath10k_mem_section {
u32 start;
u32 end;
};
/* 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 {
enum ath10k_mem_region_type type;
u32 start;
u32 len;
const char *name;
struct {
const struct ath10k_mem_section *sections;
u32 size;
} section_table;
};
/* Contains the memory layout of a hardware version identified with the
* hardware id, split into regions.
*/
struct ath10k_hw_mem_layout {
u32 hw_id;
struct {
const struct ath10k_mem_region *regions;
int size;
} region_table;
};
/* 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);
#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;
}
#endif /* CONFIG_DEV_COREDUMP */
#endif /* _COREDUMP_H_ */
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