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In case of firmware assert snapshot of firmware memory is essential for debugging. Add firmware coredump collection support for PCI bus. Collect RDDM and firmware paging dumps from MHI and pack them in TLV format and also pack various memory shared during QMI phase in separate TLVs. Add necessary header and share the dumps to user space using dev coredump framework. Coredump collection is controlled by CONFIG_DEV_COREDUMP. Dump collected for a radio is 55 MB approximately. The changeset is mostly copied from: https://lore.kernel.org/all/20240325183414.4016663-1-quic_ssreeela@quicinc.com/. Tested-on: WCN6855 hw2.1 PCI WLAN.HSP.1.1-04358-QCAHSPSWPL_V1_V2_SILICONZ_LITE-1 Signed-off-by: Miaoqing Pan <quic_miaoqing@quicinc.com> Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com> Link: https://patch.msgid.link/20240813013028.2708111-2-quic_miaoqing@quicinc.com Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
80 lines
1.7 KiB
C
80 lines
1.7 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause-Clear */
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/*
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* Copyright (c) 2020 The Linux Foundation. All rights reserved.
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* Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#ifndef _ATH11K_COREDUMP_H_
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#define _ATH11K_COREDUMP_H_
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#define ATH11K_FW_CRASH_DUMP_V2 2
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enum ath11k_fw_crash_dump_type {
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FW_CRASH_DUMP_PAGING_DATA,
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FW_CRASH_DUMP_RDDM_DATA,
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FW_CRASH_DUMP_REMOTE_MEM_DATA,
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FW_CRASH_DUMP_PAGEABLE_DATA,
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FW_CRASH_DUMP_M3_DUMP,
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FW_CRASH_DUMP_NONE,
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/* keep last */
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FW_CRASH_DUMP_TYPE_MAX,
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};
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#define COREDUMP_TLV_HDR_SIZE 8
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struct ath11k_tlv_dump_data {
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/* see ath11k_fw_crash_dump_type above */
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__le32 type;
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/* in bytes */
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__le32 tlv_len;
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/* pad to 32-bit boundaries as needed */
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u8 tlv_data[];
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} __packed;
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struct ath11k_dump_file_data {
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/* "ATH11K-FW-DUMP" */
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char df_magic[16];
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/* total dump len in bytes */
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__le32 len;
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/* file dump version */
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__le32 version;
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/* pci device id */
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__le32 chip_id;
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/* qrtr instance id */
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__le32 qrtr_id;
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/* pci domain id */
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__le32 bus_id;
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guid_t guid;
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/* time-of-day stamp */
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__le64 tv_sec;
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/* time-of-day stamp, nano-seconds */
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__le64 tv_nsec;
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/* room for growth w/out changing binary format */
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u8 unused[128];
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u8 data[];
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} __packed;
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#ifdef CONFIG_DEV_COREDUMP
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enum ath11k_fw_crash_dump_type ath11k_coredump_get_dump_type(int type);
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void ath11k_coredump_upload(struct work_struct *work);
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void ath11k_coredump_collect(struct ath11k_base *ab);
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#else
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static inline enum
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ath11k_fw_crash_dump_type ath11k_coredump_get_dump_type(int type)
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{
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return FW_CRASH_DUMP_TYPE_MAX;
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}
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static inline void ath11k_coredump_upload(struct work_struct *work)
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{
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}
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static inline void ath11k_coredump_collect(struct ath11k_base *ab)
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{
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}
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#endif
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#endif
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