diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h b/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h
index 106782341544..dc1fa377087a 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h
@@ -8,6 +8,7 @@
  * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
+ * Copyright (C) 2018 Intel Corporation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -30,6 +31,7 @@
  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
+ * Copyright (C) 2018 Intel Corporation
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -336,6 +338,9 @@ struct iwl_dbg_mem_access_rsp {
 #define CONT_REC_COMMAND_SIZE	80
 #define ENABLE_CONT_RECORDING	0x15
 #define DISABLE_CONT_RECORDING	0x16
+#define BUFFER_ALLOCATION	0x27
+#define START_DEBUG_RECORDING	0x29
+#define STOP_DEBUG_RECORDING	0x2A
 
 /*
  * struct iwl_continuous_record_mode - recording mode
@@ -353,4 +358,31 @@ struct iwl_continuous_record_cmd {
 		sizeof(struct iwl_continuous_record_mode)];
 } __packed;
 
+/* maximum fragments to be allocated per target of allocationId */
+#define IWL_BUFFER_LOCATION_MAX_FRAGS	2
+
+/**
+ * struct iwl_fragment_data single fragment structure
+ * @address: 64bit start address
+ * @size: size in bytes
+ */
+struct iwl_fragment_data {
+	__le64 address;
+	__le32 size;
+} __packed; /* FRAGMENT_STRUCTURE_API_S_VER_1 */
+
+/**
+ * struct iwl_buffer_allocation_cmd - buffer allocation command structure
+ * @allocation_id: id of the allocation
+ * @buffer_location: location of the buffer
+ * @num_frags: number of fragments
+ * @fragments: memory fragments
+ */
+struct iwl_buffer_allocation_cmd {
+	__le32 allocation_id;
+	__le32 buffer_location;
+	__le32 num_frags;
+	struct iwl_fragment_data fragments[IWL_BUFFER_LOCATION_MAX_FRAGS];
+} __packed; /* BUFFER_ALLOCATION_CMD_API_S_VER_1 */
+
 #endif /* __iwl_fw_api_debug_h__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
index b0da16f3f474..cebc9e99961e 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
@@ -1163,7 +1163,7 @@ void iwl_fw_error_dump_wk(struct work_struct *work)
 		goto out;
 	}
 
-	iwl_fw_dbg_stop_recording(fwrt->trans, &params);
+	iwl_fw_dbg_stop_recording(fwrt, &params);
 
 	iwl_fw_error_dump(fwrt);
 
@@ -1172,7 +1172,7 @@ void iwl_fw_error_dump_wk(struct work_struct *work)
 	    fwrt->fw->dbg_dest_tlv) {
 		/* wait before we collect the data till the DBGC stop */
 		udelay(500);
-		iwl_fw_dbg_restart_recording(fwrt->trans, &params);
+		iwl_fw_dbg_restart_recording(fwrt, &params);
 	}
 out:
 	if (fwrt->ops && fwrt->ops->dump_end)
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h
index 878758b6c7ae..3c89230fae6a 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h
@@ -71,6 +71,7 @@
 #include "iwl-io.h"
 #include "file.h"
 #include "error-dump.h"
+#include "api/commands.h"
 
 /**
  * struct iwl_fw_dump_desc - describes the dump
@@ -206,9 +207,26 @@ _iwl_fw_dbg_trigger_simple_stop(struct iwl_fw_runtime *fwrt,
 					iwl_fw_dbg_get_trigger((fwrt)->fw,\
 							       (trig)))
 
+static int iwl_fw_dbg_start_stop_hcmd(struct iwl_fw_runtime *fwrt, bool start)
+{
+	struct iwl_continuous_record_cmd cont_rec = {};
+	struct iwl_host_cmd hcmd = {
+		.id = LDBG_CONFIG_CMD,
+		.flags = CMD_ASYNC,
+		.data[0] = &cont_rec,
+		.len[0] = sizeof(cont_rec),
+	};
+
+	cont_rec.record_mode.enable_recording = start ?
+		cpu_to_le16(START_DEBUG_RECORDING) :
+		cpu_to_le16(STOP_DEBUG_RECORDING);
+
+	return iwl_trans_send_cmd(fwrt->trans, &hcmd);
+}
+
 static inline void
-iwl_fw_dbg_stop_recording(struct iwl_trans *trans,
-			  struct iwl_fw_dbg_params *params)
+_iwl_fw_dbg_stop_recording(struct iwl_trans *trans,
+			   struct iwl_fw_dbg_params *params)
 {
 	if (trans->cfg->device_family == IWL_DEVICE_FAMILY_7000) {
 		iwl_set_bits_prph(trans, MON_BUFF_SAMPLE_CTL, 0x100);
@@ -226,8 +244,18 @@ iwl_fw_dbg_stop_recording(struct iwl_trans *trans,
 }
 
 static inline void
-iwl_fw_dbg_restart_recording(struct iwl_trans *trans,
-			     struct iwl_fw_dbg_params *params)
+iwl_fw_dbg_stop_recording(struct iwl_fw_runtime *fwrt,
+			  struct iwl_fw_dbg_params *params)
+{
+	if (fwrt->trans->cfg->device_family < IWL_DEVICE_FAMILY_22560)
+		_iwl_fw_dbg_stop_recording(fwrt->trans, params);
+	else
+		iwl_fw_dbg_start_stop_hcmd(fwrt, false);
+}
+
+static inline void
+_iwl_fw_dbg_restart_recording(struct iwl_trans *trans,
+			      struct iwl_fw_dbg_params *params)
 {
 	if (WARN_ON(!params))
 		return;
@@ -243,6 +271,16 @@ iwl_fw_dbg_restart_recording(struct iwl_trans *trans,
 	}
 }
 
+static inline void
+iwl_fw_dbg_restart_recording(struct iwl_fw_runtime *fwrt,
+			     struct iwl_fw_dbg_params *params)
+{
+	if (fwrt->trans->cfg->device_family < IWL_DEVICE_FAMILY_22560)
+		_iwl_fw_dbg_restart_recording(fwrt->trans, params);
+	else
+		iwl_fw_dbg_start_stop_hcmd(fwrt, true);
+}
+
 static inline void iwl_fw_dump_conf_clear(struct iwl_fw_runtime *fwrt)
 {
 	fwrt->dump.conf = FW_DBG_INVALID;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
index 5305342439b2..b09446697c46 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
@@ -1042,7 +1042,7 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
 	 * the recording automatically before entering D3.  This can
 	 * be removed once the FW starts doing that.
 	 */
-	iwl_fw_dbg_stop_recording(mvm->fwrt.trans, NULL);
+	_iwl_fw_dbg_stop_recording(mvm->fwrt.trans, NULL);
 
 	/* must be last -- this switches firmware state */
 	ret = iwl_mvm_send_cmd(mvm, &d3_cfg_cmd);
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
index b5902c74e5d0..77f3610e5ca9 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
@@ -165,7 +165,7 @@ void _iwl_trans_pcie_gen2_stop_device(struct iwl_trans *trans, bool low_power)
 	trans_pcie->is_down = true;
 
 	/* Stop dbgc before stopping device */
-	iwl_fw_dbg_stop_recording(trans, NULL);
+	_iwl_fw_dbg_stop_recording(trans, NULL);
 
 	/* tell the device to stop sending interrupts */
 	iwl_disable_interrupts(trans);
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
index 5ecd5c8d0f02..1012d71bad6f 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
@@ -1243,7 +1243,7 @@ static void _iwl_trans_pcie_stop_device(struct iwl_trans *trans, bool low_power)
 	trans_pcie->is_down = true;
 
 	/* Stop dbgc before stopping device */
-	iwl_fw_dbg_stop_recording(trans, NULL);
+	_iwl_fw_dbg_stop_recording(trans, NULL);
 
 	/* tell the device to stop sending interrupts */
 	iwl_disable_interrupts(trans);