diff --git a/utils/host_diag_log/inc/host_diag_core_log.h b/utils/host_diag_log/inc/host_diag_core_log.h
index 61bd977aa3..4b72f237e9 100644
--- a/utils/host_diag_log/inc/host_diag_core_log.h
+++ b/utils/host_diag_log/inc/host_diag_core_log.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2017 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2014-2017, 2019 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -57,9 +57,14 @@ extern "C" {
 #define HOST_LOG_MAX_WOW_PTRN_MASK_SIZE                      (16)
 #define VOS_LOG_PKT_LOG_SIZE                                 (2048)
 #define HOST_LOG_PKT_LOG_THRESHOLD                           40960
+#define HOST_LOG_MAX_COLD_BOOT_CAL_DATA_SIZE                 (2048)
 
 /* Version to be updated whenever format of vos_log_pktlog_info changes */
 #define VERSION_LOG_WLAN_PKT_LOG_INFO_C                     1
+/* Version to be updated whenever format of host_log_cold_boot_cal_data_type
+ * changes
+ */
+#define VERSION_LOG_WLAN_COLD_BOOT_CAL_DATA_C               1
 
 /*---------------------------------------------------------------------------
    This packet contains the scan results of the recent scan operation
@@ -259,6 +264,26 @@ struct host_log_pktlog_info {
 	uint8_t buf[];
 };
 
+/**
+ * struct host_log_cold_boot_cal_data_type - Cold boot cal log info
+ * @hdr: Log header
+ * @version: version
+ * @flags: Flag to indicate if more data follows
+ * @cb_cal_data_len: Length of the cal data
+ * @cb_cal_data: Cold boot cal data
+ *
+ * Structure containing the cold boot calibration data
+ * log information
+ * LOG_WLAN_COLD_BOOT_CAL_DATA_C          0x1A18
+ */
+struct host_log_cold_boot_cal_data_type {
+	log_hdr_type hdr;
+	uint32_t version;
+	uint32_t flags;
+	uint32_t cb_cal_data_len;
+	uint8_t cb_cal_data[HOST_LOG_MAX_COLD_BOOT_CAL_DATA_SIZE];
+};
+
 /*-------------------------------------------------------------------------
    Function declarations and documenation
    ------------------------------------------------------------------------*/
diff --git a/utils/host_diag_log/inc/log_codes.h b/utils/host_diag_log/inc/log_codes.h
index e01e02763d..9f3fe6c0cf 100644
--- a/utils/host_diag_log/inc/log_codes.h
+++ b/utils/host_diag_log/inc/log_codes.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2018 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2014-2019 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -2001,6 +2001,8 @@
 /* The last defined DMSS log code */
 #define LOG_1X_LAST_C                                   ((0x8E0) + LOG_1X_BASE_C)
 
+#define LOG_WLAN_COLD_BOOT_CAL_DATA_C                  ((0xA18) + LOG_1X_BASE_C)
+
 /* This is only here for old (pre equipment ID update) logging code */
 #define LOG_LAST_C                                      (LOG_1X_LAST_C & 0xFFF)
 
diff --git a/wmi/inc/wmi_unified_param.h b/wmi/inc/wmi_unified_param.h
index ec8649ae0e..ddd200f3e0 100644
--- a/wmi/inc/wmi_unified_param.h
+++ b/wmi/inc/wmi_unified_param.h
@@ -4757,6 +4757,7 @@ typedef enum {
 	wmi_roam_blacklist_event_id,
 	wmi_wlm_stats_event_id,
 	wmi_peer_cfr_capture_event_id,
+	wmi_pdev_cold_boot_cal_event_id,
 	wmi_events_max,
 } wmi_conv_event_id;
 
diff --git a/wmi/src/wmi_unified_tlv.c b/wmi/src/wmi_unified_tlv.c
index 81204299f2..c6361460b9 100644
--- a/wmi/src/wmi_unified_tlv.c
+++ b/wmi/src/wmi_unified_tlv.c
@@ -11557,6 +11557,8 @@ static void populate_tlv_events_id(uint32_t *event_ids)
 	event_ids[wmi_roam_blacklist_event_id] = WMI_ROAM_BLACKLIST_EVENTID;
 	event_ids[wmi_wlm_stats_event_id] = WMI_WLM_STATS_EVENTID;
 	event_ids[wmi_peer_cfr_capture_event_id] = WMI_PEER_CFR_CAPTURE_EVENTID;
+	event_ids[wmi_pdev_cold_boot_cal_event_id] =
+					    WMI_PDEV_COLD_BOOT_CAL_DATA_EVENTID;
 }
 
 /**