drivers/net/wireless/ath/ath12k/coredump.c

   1 // SPDX-License-Identifier: BSD-3-Clause-Clear
   2 /*
   3  * Copyright (c) 2020 The Linux Foundation. All rights reserved.
   4  * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.
   5  */
   6 #include <linux/devcoredump.h>
   7 #include "hif.h"
   8 #include "coredump.h"
   9 #include "debug.h"
  10
  11 enum
  12 ath12k_fw_crash_dump_type ath12k_coredump_get_dump_type(enum ath12k_qmi_target_mem type)
  13 {
  14         enum ath12k_fw_crash_dump_type dump_type;
  15
  16         switch (type) {
  17         case HOST_DDR_REGION_TYPE:
  18                 dump_type = FW_CRASH_DUMP_REMOTE_MEM_DATA;
  19                 break;
  20         case M3_DUMP_REGION_TYPE:
  21                 dump_type = FW_CRASH_DUMP_M3_DUMP;
  22                 break;
  23         case PAGEABLE_MEM_REGION_TYPE:
  24                 dump_type = FW_CRASH_DUMP_PAGEABLE_DATA;
  25                 break;
  26         case BDF_MEM_REGION_TYPE:
  27         case CALDB_MEM_REGION_TYPE:
  28                 dump_type = FW_CRASH_DUMP_NONE;
  29                 break;
  30         case MLO_GLOBAL_MEM_REGION_TYPE:
  31                 dump_type = FW_CRASH_DUMP_MLO_GLOBAL_DATA;
  32                 break;
  33         default:
  34                 dump_type = FW_CRASH_DUMP_TYPE_MAX;
  35                 break;
  36         }
  37
  38         return dump_type;
  39 }
  40
  41 void ath12k_coredump_upload(struct work_struct *work)
  42 {
  43         struct ath12k_base *ab = container_of(work, struct ath12k_base, dump_work);
  44
  45         ath12k_info(ab, "Uploading coredump\n");
  46         /* dev_coredumpv() takes ownership of the buffer */
  47         dev_coredumpv(ab->dev, ab->dump_data, ab->ath12k_coredump_len, GFP_KERNEL);
  48         ab->dump_data = NULL;
  49 }
  50
  51 void ath12k_coredump_collect(struct ath12k_base *ab)
  52 {
  53         ath12k_hif_coredump_download(ab);
  54 }