// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (c) 2015-2018 Western Digital Corporation or its affiliates.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA  02110-1301, USA.
 *
 *   Author: Chaitanya Kulkarni <chaitanya.kulkarni@hgst.com>,
 *           Dong Ho <dong.ho@hgst.com>,
 *           Jeff Lien <jeff.lien@wdc.com>
 *           Brandon Paupore <brandon.paupore@wdc.com>
 */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <inttypes.h>
#include <errno.h>
#include <limits.h>
#include <fcntl.h>
#include <unistd.h>

#include "common.h"
#include "nvme.h"
#include "libnvme.h"
#include "plugin.h"
#include "linux/types.h"
#include "util/cleanup.h"
#include "util/types.h"
#include "nvme-print.h"

#define CREATE_CMD
#include "wdc-nvme.h"
#include "wdc-utils.h"
#include "wdc-nvme-cmds.h"

#define WRITE_SIZE	(sizeof(__u8) * 4096)

#define WDC_NVME_SUBCMD_SHIFT				8

#define WDC_NVME_LOG_SIZE_DATA_LEN			0x08
#define WDC_NVME_LOG_SIZE_HDR_LEN			0x08

/* Enclosure */
#define WDC_OPENFLEX_MI_DEVICE_MODEL			"OpenFlex"
#define WDC_RESULT_MORE_DATA				0x80000000
#define WDC_RESULT_NOT_AVAILABLE			0x7FFFFFFF

/* Device Config */
#define WDC_NVME_VID					0x1c58
#define WDC_NVME_VID_2					0x1b96
#define WDC_NVME_SNDK_VID				0x15b7

#define WDC_NVME_SN100_DEV_ID				0x0003
#define WDC_NVME_SN200_DEV_ID				0x0023
#define WDC_NVME_SN630_DEV_ID				0x2200
#define WDC_NVME_SN630_DEV_ID_1				0x2201
#define WDC_NVME_SN840_DEV_ID				0x2300
#define WDC_NVME_SN840_DEV_ID_1				0x2500
#define WDC_NVME_SN640_DEV_ID				0x2400
#define WDC_NVME_SN640_DEV_ID_1				0x2401
#define WDC_NVME_SN640_DEV_ID_2				0x2402
#define WDC_NVME_SN640_DEV_ID_3				0x2404
#define WDC_NVME_ZN540_DEV_ID				0x2600
#define WDC_NVME_SN540_DEV_ID				0x2610
#define WDC_NVME_SN650_DEV_ID				0x2700
#define WDC_NVME_SN650_DEV_ID_1				0x2701
#define WDC_NVME_SN650_DEV_ID_2				0x2702
#define WDC_NVME_SN650_DEV_ID_3				0x2720
#define WDC_NVME_SN650_DEV_ID_4				0x2721
#define WDC_NVME_SN655_DEV_ID				0x2722
#define WDC_NVME_SN655_DEV_ID_1				0x2723
#define WDC_NVME_SN860_DEV_ID				0x2730
#define WDC_NVME_SN660_DEV_ID				0x2704
#define WDC_NVME_SN560_DEV_ID_1				0x2712
#define WDC_NVME_SN560_DEV_ID_2				0x2713
#define WDC_NVME_SN560_DEV_ID_3				0x2714
#define WDC_NVME_SN861_DEV_ID				0x2750
#define WDC_NVME_SN861_DEV_ID_1				0x2751
#define WDC_NVME_SN861_DEV_ID_2				0x2752
#define WDC_NVME_SNTMP_DEV_ID				0x2761

/* This id's are no longer supported, delete ?? */
#define WDC_NVME_SN550_DEV_ID				0x2708

#define WDC_NVME_SXSLCL_DEV_ID				0x2001
#define WDC_NVME_SN520_DEV_ID				0x5003
#define WDC_NVME_SN520_DEV_ID_1				0x5004
#define WDC_NVME_SN520_DEV_ID_2				0x5005

#define WDC_NVME_SN530_DEV_ID_1				0x5007
#define WDC_NVME_SN530_DEV_ID_2				0x5008
#define WDC_NVME_SN530_DEV_ID_3				0x5009
#define WDC_NVME_SN530_DEV_ID_4				0x500b
#define WDC_NVME_SN530_DEV_ID_5				0x501d

#define WDC_NVME_SN350_DEV_ID				0x5019

#define WDC_NVME_SN570_DEV_ID				0x501A

#define WDC_NVME_SN850X_DEV_ID				0x5030

#define WDC_NVME_SN5000_DEV_ID_1			0x5034
#define WDC_NVME_SN5000_DEV_ID_2			0x5035
#define WDC_NVME_SN5000_DEV_ID_3			0x5036
#define WDC_NVME_SN5000_DEV_ID_4			0x504A

#define WDC_NVME_SN7000S_DEV_ID_1			0x5039

#define WDC_NVME_SN7150_DEV_ID_1			0x503b
#define WDC_NVME_SN7150_DEV_ID_2			0x503c
#define WDC_NVME_SN7150_DEV_ID_3			0x503d
#define WDC_NVME_SN7150_DEV_ID_4			0x503e
#define WDC_NVME_SN7150_DEV_ID_5			0x503f

#define WDC_NVME_SN7100_DEV_ID_1			0x5043
#define WDC_NVME_SN7100_DEV_ID_2			0x5044
#define WDC_NVME_SN7100_DEV_ID_3			0x5045

#define WDC_NVME_SN8000S_DEV_ID				0x5049

#define WDC_NVME_SN720_DEV_ID				0x5002
#define WDC_NVME_SN730_DEV_ID				0x5006
#define WDC_NVME_SN740_DEV_ID				0x5015
#define WDC_NVME_SN740_DEV_ID_1				0x5016
#define WDC_NVME_SN740_DEV_ID_2				0x5017
#define WDC_NVME_SN740_DEV_ID_3				0x5025
#define WDC_NVME_SN340_DEV_ID				0x500d
#define WDC_NVME_ZN350_DEV_ID				0x5010
#define WDC_NVME_ZN350_DEV_ID_1				0x5018
#define WDC_NVME_SN810_DEV_ID				0x5011
#define WDC_NVME_SN820CL_DEV_ID				0x5037

#define WDC_NVME_SN5100S_DEV_ID_1			0x5061
#define WDC_NVME_SN5100S_DEV_ID_2			0x5062
#define WDC_NVME_SN5100S_DEV_ID_3			0x5063

#define WDC_DRIVE_CAP_CAP_DIAG				0x0000000000000001
#define WDC_DRIVE_CAP_INTERNAL_LOG			0x0000000000000002
#define WDC_DRIVE_CAP_C1_LOG_PAGE			0x0000000000000004
#define WDC_DRIVE_CAP_CA_LOG_PAGE			0x0000000000000008
#define WDC_DRIVE_CAP_D0_LOG_PAGE			0x0000000000000010
#define WDC_DRIVE_CAP_DRIVE_STATUS			0x0000000000000020
#define WDC_DRIVE_CAP_CLEAR_ASSERT			0x0000000000000040
#define WDC_DRIVE_CAP_CLEAR_PCIE			0x0000000000000080
#define WDC_DRIVE_CAP_RESIZE				0x0000000000000100
#define WDC_DRIVE_CAP_NAND_STATS			0x0000000000000200
#define WDC_DRIVE_CAP_DRIVE_LOG				0x0000000000000400
#define WDC_DRIVE_CAP_CRASH_DUMP			0x0000000000000800
#define WDC_DRIVE_CAP_PFAIL_DUMP			0x0000000000001000
#define WDC_DRIVE_CAP_FW_ACTIVATE_HISTORY		0x0000000000002000
#define WDC_DRIVE_CAP_CLEAR_FW_ACT_HISTORY		0x0000000000004000
#define WDC_DRVIE_CAP_DISABLE_CTLR_TELE_LOG		0x0000000000008000
#define WDC_DRIVE_CAP_REASON_ID				0x0000000000010000
#define WDC_DRIVE_CAP_LOG_PAGE_DIR			0x0000000000020000
#define WDC_DRIVE_CAP_NS_RESIZE				0x0000000000040000
#define WDC_DRIVE_CAP_INFO				0x0000000000080000
#define WDC_DRIVE_CAP_C0_LOG_PAGE			0x0000000000100000
#define WDC_DRIVE_CAP_TEMP_STATS			0x0000000000200000
#define WDC_DRIVE_CAP_VUC_CLEAR_PCIE			0x0000000000400000
#define WDC_DRIVE_CAP_VU_FID_CLEAR_PCIE			0x0000000000800000
#define WDC_DRIVE_CAP_FW_ACTIVATE_HISTORY_C2		0x0000000001000000
#define WDC_DRIVE_CAP_VU_FID_CLEAR_FW_ACT_HISTORY	0x0000000002000000
#define WDC_DRIVE_CAP_CLOUD_SSD_VERSION			0x0000000004000000
#define WDC_DRIVE_CAP_PCIE_STATS			0x0000000008000000
#define WDC_DRIVE_CAP_HW_REV_LOG_PAGE			0x0000000010000000
#define WDC_DRIVE_CAP_C3_LOG_PAGE			0x0000000020000000
#define WDC_DRIVE_CAP_CLOUD_BOOT_SSD_VERSION		0x0000000040000000
#define WDC_DRIVE_CAP_CLOUD_LOG_PAGE			0x0000000080000000

#define WDC_DRIVE_CAP_DRIVE_ESSENTIALS			0x0000000100000000
#define WDC_DRIVE_CAP_DUI_DATA				0x0000000200000000
#define WDC_SN730B_CAP_VUC_LOG				0x0000000400000000
#define WDC_DRIVE_CAP_DUI				0x0000000800000000
#define WDC_DRIVE_CAP_PURGE				0x0000001000000000
#define WDC_DRIVE_CAP_OCP_C1_LOG_PAGE			0x0000002000000000
#define WDC_DRIVE_CAP_OCP_C4_LOG_PAGE			0x0000004000000000
#define WDC_DRIVE_CAP_OCP_C5_LOG_PAGE			0x0000008000000000
#define WDC_DRIVE_CAP_DEVICE_WAF			0x0000010000000000
#define WDC_DRIVE_CAP_SET_LATENCY_MONITOR		0x0000020000000000

#define WDC_DRIVE_CAP_SMART_LOG_MASK			(WDC_DRIVE_CAP_C0_LOG_PAGE | \
							 WDC_DRIVE_CAP_C1_LOG_PAGE | \
							 WDC_DRIVE_CAP_CA_LOG_PAGE | \
							 WDC_DRIVE_CAP_D0_LOG_PAGE)
#define WDC_DRIVE_CAP_CLEAR_PCIE_MASK			(WDC_DRIVE_CAP_CLEAR_PCIE | \
							 WDC_DRIVE_CAP_VUC_CLEAR_PCIE | \
							 WDC_DRIVE_CAP_VU_FID_CLEAR_PCIE)
#define WDC_DRIVE_CAP_FW_ACTIVATE_HISTORY_MASK		(WDC_DRIVE_CAP_FW_ACTIVATE_HISTORY | \
							 WDC_DRIVE_CAP_FW_ACTIVATE_HISTORY_C2)
#define WDC_DRIVE_CAP_CLEAR_FW_ACT_HISTORY_MASK		(WDC_DRIVE_CAP_CLEAR_FW_ACT_HISTORY | \
							 WDC_DRIVE_CAP_VU_FID_CLEAR_FW_ACT_HISTORY)
#define WDC_DRIVE_CAP_INTERNAL_LOG_MASK			(WDC_DRIVE_CAP_INTERNAL_LOG | \
							 WDC_DRIVE_CAP_DUI | \
							 WDC_DRIVE_CAP_DUI_DATA | \
							 WDC_SN730B_CAP_VUC_LOG)

/* SN730 Get Log Capabilities */
#define SN730_NVME_GET_LOG_OPCODE			0xc2
#define SN730_GET_FULL_LOG_LENGTH			0x00080009
#define SN730_GET_KEY_LOG_LENGTH			0x00090009
#define SN730_GET_COREDUMP_LOG_LENGTH			0x00120009
#define SN730_GET_EXTENDED_LOG_LENGTH			0x00420009

#define SN730_GET_FULL_LOG_SUBOPCODE			0x00010009
#define SN730_GET_KEY_LOG_SUBOPCODE			0x00020009
#define SN730_GET_CORE_LOG_SUBOPCODE			0x00030009
#define SN730_GET_EXTEND_LOG_SUBOPCODE			0x00040009
#define SN730_LOG_CHUNK_SIZE				0x1000

/* Customer ID's */
#define WDC_CUSTOMER_ID_GN				0x0001
#define WDC_CUSTOMER_ID_GD				0x0101
#define WDC_CUSTOMER_ID_BD				0x1009

#define WDC_CUSTOMER_ID_0x1005				0x1005

#define WDC_CUSTOMER_ID_0x1004				0x1004
#define WDC_CUSTOMER_ID_0x1008				0x1008
#define WDC_CUSTOMER_ID_0x1304				0x1304
#define WDC_INVALID_CUSTOMER_ID				-1

#define WDC_ALL_PAGE_MASK				0xFFFF
#define WDC_C0_PAGE_MASK				0x0001
#define WDC_C1_PAGE_MASK				0x0002
#define WDC_CA_PAGE_MASK				0x0004
#define WDC_D0_PAGE_MASK				0x0008

/* Drive Resize */
#define WDC_NVME_DRIVE_RESIZE_OPCODE			0xCC
#define WDC_NVME_DRIVE_RESIZE_CMD			0x03
#define WDC_NVME_DRIVE_RESIZE_SUBCMD			0x01

/* Namespace Resize */
#define WDC_NVME_NAMESPACE_RESIZE_OPCODE		0xFB

/* Drive Info */
#define WDC_NVME_DRIVE_INFO_OPCODE			0xC6
#define WDC_NVME_DRIVE_INFO_CMD				0x22
#define WDC_NVME_DRIVE_INFO_SUBCMD			0x06

/* VS PCIE Stats */
#define WDC_NVME_PCIE_STATS_OPCODE			0xD1

/* Capture Diagnostics */
#define WDC_NVME_CAP_DIAG_HEADER_TOC_SIZE		WDC_NVME_LOG_SIZE_DATA_LEN
#define WDC_NVME_CAP_DIAG_OPCODE			0xE6
#define WDC_NVME_CAP_DIAG_CMD_OPCODE			0xC6
#define WDC_NVME_CAP_DIAG_SUBCMD			0x00
#define WDC_NVME_CAP_DIAG_CMD				0x00

#define WDC_NVME_CRASH_DUMP_TYPE			1
#define WDC_NVME_PFAIL_DUMP_TYPE			2

/* Capture Device Unit Info */
#define WDC_NVME_CAP_DUI_HEADER_SIZE			0x400
#define WDC_NVME_CAP_DUI_OPCODE				0xFA
#define WDC_NVME_CAP_DUI_DISABLE_IO			0x01
#define WDC_NVME_DUI_MAX_SECTION			0x3A
#define WDC_NVME_DUI_MAX_SECTION_V2			0x26
#define WDC_NVME_DUI_MAX_SECTION_V3			0x23
#define WDC_NVME_DUI_MAX_DATA_AREA			0x05
#define WDC_NVME_SN730_SECTOR_SIZE			512

/* Telemtery types for vs-internal-log command */
#define WDC_TELEMETRY_TYPE_NONE				0x0
#define WDC_TELEMETRY_TYPE_HOST				0x1
#define WDC_TELEMETRY_TYPE_CONTROLLER			0x2
#define WDC_TELEMETRY_HEADER_LENGTH			512
#define WDC_TELEMETRY_BLOCK_SIZE			512

/* Crash dump */
#define WDC_NVME_CRASH_DUMP_SIZE_DATA_LEN		WDC_NVME_LOG_SIZE_DATA_LEN
#define WDC_NVME_CRASH_DUMP_SIZE_NDT			0x02
#define WDC_NVME_CRASH_DUMP_SIZE_CMD			0x20
#define WDC_NVME_CRASH_DUMP_SIZE_SUBCMD			0x03

#define WDC_NVME_CRASH_DUMP_OPCODE			WDC_NVME_CAP_DIAG_CMD_OPCODE
#define WDC_NVME_CRASH_DUMP_CMD				0x20
#define WDC_NVME_CRASH_DUMP_SUBCMD			0x04

/* PFail Crash dump */
#define WDC_NVME_PF_CRASH_DUMP_SIZE_DATA_LEN		WDC_NVME_LOG_SIZE_HDR_LEN
#define WDC_NVME_PF_CRASH_DUMP_SIZE_NDT			0x02
#define WDC_NVME_PF_CRASH_DUMP_SIZE_CMD			0x20
#define WDC_NVME_PF_CRASH_DUMP_SIZE_SUBCMD		0x05

#define WDC_NVME_PF_CRASH_DUMP_OPCODE			WDC_NVME_CAP_DIAG_CMD_OPCODE
#define WDC_NVME_PF_CRASH_DUMP_CMD			0x20
#define WDC_NVME_PF_CRASH_DUMP_SUBCMD			0x06

/* Drive Log */
#define WDC_NVME_DRIVE_LOG_SIZE_OPCODE			 WDC_NVME_CAP_DIAG_CMD_OPCODE
#define WDC_NVME_DRIVE_LOG_SIZE_DATA_LEN		WDC_NVME_LOG_SIZE_DATA_LEN
#define WDC_NVME_DRIVE_LOG_SIZE_NDT			0x02
#define WDC_NVME_DRIVE_LOG_SIZE_CMD			0x20
#define WDC_NVME_DRIVE_LOG_SIZE_SUBCMD			0x01

#define WDC_NVME_DRIVE_LOG_OPCODE			WDC_NVME_CAP_DIAG_CMD_OPCODE
#define WDC_NVME_DRIVE_LOG_CMD				0x20
#define WDC_NVME_DRIVE_LOG_SUBCMD			0x00

/* Purge and Purge Monitor */
#define WDC_NVME_PURGE_CMD_OPCODE			0xDD
#define WDC_NVME_PURGE_MONITOR_OPCODE			0xDE
#define WDC_NVME_PURGE_MONITOR_DATA_LEN			0x2F
#define WDC_NVME_PURGE_MONITOR_CMD_CDW10		0x0000000C
#define WDC_NVME_PURGE_MONITOR_TIMEOUT			0x7530
#define WDC_NVME_PURGE_CMD_SEQ_ERR			0x0C
#define WDC_NVME_PURGE_INT_DEV_ERR			0x06

#define WDC_NVME_PURGE_STATE_IDLE			0x00
#define WDC_NVME_PURGE_STATE_DONE			0x01
#define WDC_NVME_PURGE_STATE_BUSY			0x02
#define WDC_NVME_PURGE_STATE_REQ_PWR_CYC		0x03
#define WDC_NVME_PURGE_STATE_PWR_CYC_PURGE		0x04

/* Clear dumps */
#define WDC_NVME_CLEAR_DUMP_OPCODE			0xFF
#define WDC_NVME_CLEAR_CRASH_DUMP_CMD			0x03
#define WDC_NVME_CLEAR_CRASH_DUMP_SUBCMD		0x05
#define WDC_NVME_CLEAR_PF_CRASH_DUMP_SUBCMD		0x06

/* Clear FW Activate History */
#define WDC_NVME_CLEAR_FW_ACT_HIST_OPCODE		0xC6
#define WDC_NVME_CLEAR_FW_ACT_HIST_CMD			0x23
#define WDC_NVME_CLEAR_FW_ACT_HIST_SUBCMD		0x05
#define WDC_NVME_CLEAR_FW_ACT_HIST_VU_FID		0xC1

/* Additional Smart Log */
#define WDC_ADD_LOG_BUF_LEN				0x4000
#define WDC_NVME_ADD_LOG_OPCODE				0xC1
#define WDC_GET_LOG_PAGE_SSD_PERFORMANCE		0x37
#define WDC_NVME_GET_STAT_PERF_INTERVAL_LIFETIME	0x0F

/* C2 Log Page */
#define WDC_NVME_GET_DEV_MGMNT_LOG_PAGE_ID		0xC2
#define WDC_NVME_GET_DEV_MGMNT_LOG_PAGE_ID_C8		0xC8
#define WDC_C2_LOG_BUF_LEN				0x1000
#define WDC_C2_LOG_PAGES_SUPPORTED_ID			0x08
#define WDC_C2_CUSTOMER_ID_ID				0x15
#define WDC_C2_THERMAL_THROTTLE_STATUS_ID		0x18
#define WDC_C2_ASSERT_DUMP_PRESENT_ID			0x19
#define WDC_C2_USER_EOL_STATUS_ID			0x1A
#define WDC_C2_USER_EOL_STATE_ID			0x1C
#define WDC_C2_SYSTEM_EOL_STATE_ID			0x1D
#define WDC_C2_FORMAT_CORRUPT_REASON_ID			0x1E
#define WDC_EOL_STATUS_NORMAL				cpu_to_le32(0x00000000)
#define WDC_EOL_STATUS_END_OF_LIFE			cpu_to_le32(0x00000001)
#define WDC_EOL_STATUS_READ_ONLY			cpu_to_le32(0x00000002)
#define WDC_ASSERT_DUMP_NOT_PRESENT			cpu_to_le32(0x00000000)
#define WDC_ASSERT_DUMP_PRESENT				cpu_to_le32(0x00000001)
#define WDC_THERMAL_THROTTLING_OFF			cpu_to_le32(0x00000000)
#define WDC_THERMAL_THROTTLING_ON			cpu_to_le32(0x00000001)
#define WDC_THERMAL_THROTTLING_UNAVAILABLE		cpu_to_le32(0x00000002)
#define WDC_FORMAT_NOT_CORRUPT				cpu_to_le32(0x00000000)
#define WDC_FORMAT_CORRUPT_FW_ASSERT			cpu_to_le32(0x00000001)
#define WDC_FORMAT_CORRUPT_UNKNOWN			cpu_to_le32(0x000000FF)

/* CA Log Page */
#define WDC_NVME_GET_DEVICE_INFO_LOG_OPCODE		0xCA
#define WDC_FB_CA_LOG_BUF_LEN				0x80
/* Added 4 padding bytes to resolve build warning messages */
#define WDC_BD_CA_LOG_BUF_LEN				0xA0

/* C0 EOL Status Log Page */
#define WDC_NVME_GET_EOL_STATUS_LOG_OPCODE		0xC0
#define WDC_NVME_EOL_STATUS_LOG_LEN			0x200
#define WDC_NVME_SMART_CLOUD_ATTR_LEN			0x200

/* C0 SMART Cloud Attributes Log Page*/
#define WDC_NVME_GET_SMART_CLOUD_ATTR_LOG_ID		0xC0

/* CB - FW Activate History Log Page */
#define WDC_NVME_GET_FW_ACT_HISTORY_LOG_ID		0xCB
#define WDC_FW_ACT_HISTORY_LOG_BUF_LEN			0x3d0

/* C2 - FW Activation History Log Page */
#define WDC_NVME_GET_FW_ACT_HISTORY_C2_LOG_ID		0xC2
#define WDC_FW_ACT_HISTORY_C2_LOG_BUF_LEN		0x1000
#define WDC_MAX_NUM_ACT_HIST_ENTRIES			20
#define WDC_C2_GUID_LENGTH				16

/* C3 Latency Monitor Log Page */
#define WDC_LATENCY_MON_LOG_BUF_LEN			0x200
#define WDC_LATENCY_MON_LOG_ID				0xC3
#define WDC_LATENCY_MON_VERSION				0x0001

#define WDC_C3_GUID_LENGTH				16
static __u8 wdc_lat_mon_guid[WDC_C3_GUID_LENGTH] = {
	0x92, 0x7a, 0xc0, 0x8c, 0xd0, 0x84, 0x6c, 0x9c,
	0x70, 0x43, 0xe6, 0xd4, 0x58, 0x5e, 0xd4, 0x85
};

/* D0 Smart Log Page */
#define WDC_NVME_GET_VU_SMART_LOG_OPCODE		0xD0
#define WDC_NVME_VU_SMART_LOG_LEN			0x200

/* Log Page Directory defines */
#define NVME_LOG_PERSISTENT_EVENT			0x0D
#define WDC_LOG_ID_C0					0xC0
#define WDC_LOG_ID_C1					0xC1
#define WDC_LOG_ID_C2					WDC_NVME_GET_DEV_MGMNT_LOG_PAGE_ID
#define WDC_LOG_ID_C3					0xC3
#define WDC_LOG_ID_C4					0xC4
#define WDC_LOG_ID_C5					0xC5
#define WDC_LOG_ID_C6					0xC6
#define WDC_LOG_ID_C8					WDC_NVME_GET_DEV_MGMNT_LOG_PAGE_ID_C8
#define WDC_LOG_ID_CA					WDC_NVME_GET_DEVICE_INFO_LOG_OPCODE
#define WDC_LOG_ID_CB					WDC_NVME_GET_FW_ACT_HISTORY_LOG_ID
#define WDC_LOG_ID_D0					WDC_NVME_GET_VU_SMART_LOG_OPCODE
#define WDC_LOG_ID_D1					0xD1
#define WDC_LOG_ID_D6					0xD6
#define WDC_LOG_ID_D7					0xD7
#define WDC_LOG_ID_D8					0xD8
#define WDC_LOG_ID_DE					0xDE
#define WDC_LOG_ID_F0					0xF0
#define WDC_LOG_ID_F1					0xF1
#define WDC_LOG_ID_F2					0xF2
#define WDC_LOG_ID_FA					0xFA

/* Clear PCIe Correctable Errors */
#define WDC_NVME_CLEAR_PCIE_CORR_OPCODE			WDC_NVME_CAP_DIAG_CMD_OPCODE
#define WDC_NVME_CLEAR_PCIE_CORR_CMD			0x22
#define WDC_NVME_CLEAR_PCIE_CORR_SUBCMD			0x04
#define WDC_NVME_CLEAR_PCIE_CORR_OPCODE_VUC		0xD2
#define WDC_NVME_CLEAR_PCIE_CORR_FEATURE_ID		0xC3
/* Clear Assert Dump Status */
#define WDC_NVME_CLEAR_ASSERT_DUMP_OPCODE		0xD8
#define WDC_NVME_CLEAR_ASSERT_DUMP_CMD			0x03
#define WDC_NVME_CLEAR_ASSERT_DUMP_SUBCMD		0x05

#define WDC_VU_DISABLE_CNTLR_TELEMETRY_OPTION_FEATURE_ID   0xD2

/* Drive Essentials */
#define WDC_DE_DEFAULT_NUMBER_OF_ERROR_ENTRIES		64
#define WDC_DE_GENERIC_BUFFER_SIZE			80
#define WDC_DE_GLOBAL_NSID				0xFFFFFFFF
#define WDC_DE_DEFAULT_NAMESPACE_ID			0x01
#define WDC_DE_PATH_SEPARATOR				"/"
#define WDC_DE_TAR_FILES				"*.bin"
#define WDC_DE_TAR_FILE_EXTN				".tar.gz"
#define WDC_DE_TAR_CMD					"tar -czf"

/* VS NAND Stats */
#define WDC_NVME_NAND_STATS_LOG_ID			0xFB
#define WDC_NVME_NAND_STATS_SIZE			0x200

/* VU Opcodes */
#define WDC_DE_VU_READ_SIZE_OPCODE			0xC0
#define WDC_DE_VU_READ_BUFFER_OPCODE			0xC2
#define WDC_NVME_ADMIN_ENC_MGMT_SND			0xC9
#define WDC_NVME_ADMIN_ENC_MGMT_RCV			0xCA

#define WDC_DE_FILE_HEADER_SIZE				4
#define WDC_DE_FILE_OFFSET_SIZE				2
#define WDC_DE_FILE_NAME_SIZE				32
#define WDC_DE_VU_READ_BUFFER_STANDARD_OFFSET		0x8000
#define WDC_DE_READ_MAX_TRANSFER_SIZE			0x8000

#define WDC_DE_MANUFACTURING_INFO_PAGE_FILE_NAME	"manufacturing_info"  /* Unique log entry page name. */
#define WDC_DE_CORE_DUMP_FILE_NAME			"core_dump"
#define WDC_DE_EVENT_LOG_FILE_NAME			"event_log"
#define WDC_DE_DESTN_SPI				1
#define WDC_DE_DUMPTRACE_DESTINATION			6

#define NVME_ID_CTRL_MODEL_NUMBER_SIZE			40
#define NVME_ID_CTRL_SERIAL_NUMBER_SIZE			20

/* Enclosure log */
#define WDC_NVME_ENC_LOG_SIZE_CHUNK			0x1000
#define WDC_NVME_ENC_NIC_LOG_SIZE			0x400000

/* Enclosure nic crash dump get-log id */
#define WDC_ENC_NIC_CRASH_DUMP_ID_SLOT_1		0xD1
#define WDC_ENC_NIC_CRASH_DUMP_ID_SLOT_2		0xD2
#define WDC_ENC_NIC_CRASH_DUMP_ID_SLOT_3		0xD3
#define WDC_ENC_NIC_CRASH_DUMP_ID_SLOT_4		0xD4
#define WDC_ENC_CRASH_DUMP_ID				0xE4
#define WDC_ENC_LOG_DUMP_ID				0xE2

/* OCP Log Page Directory Data Structure */
#define BYTE_TO_BIT(byte)				((byte) * 8)

/* Set latency monitor feature */
#define NVME_FEAT_OCP_LATENCY_MONITOR			0xC5

enum _NVME_FEATURES_SELECT {
	FS_CURRENT                      = 0,
	FS_DEFAULT                      = 1,
	FS_SAVED                        = 2,
	FS_SUPPORTED_CAPBILITIES        = 3
};

enum NVME_FEATURE_IDENTIFIERS {
	FID_ARBITRATION                                 = 0x01,
	FID_POWER_MANAGEMENT                            = 0x02,
	FID_LBA_RANGE_TYPE                              = 0x03,
	FID_TEMPERATURE_THRESHOLD                       = 0x04,
	FID_ERROR_RECOVERY                              = 0x05,
	FID_VOLATILE_WRITE_CACHE                        = 0x06,
	FID_NUMBER_OF_QUEUES                            = 0x07,
	FID_INTERRUPT_COALESCING                        = 0x08,
	FID_INTERRUPT_VECTOR_CONFIGURATION              = 0x09,
	FID_WRITE_ATOMICITY                             = 0x0A,
	FID_ASYNCHRONOUS_EVENT_CONFIGURATION            = 0x0B,
	FID_AUTONOMOUS_POWER_STATE_TRANSITION           = 0x0C,
	/*Below FID's are NVM Command Set Specific*/
	FID_SOFTWARE_PROGRESS_MARKER                    = 0x80,
	FID_HOST_IDENTIFIER                             = 0x81,
	FID_RESERVATION_NOTIFICATION_MASK               = 0x82,
	FID_RESERVATION_PERSISTENCE                     = 0x83
};

/*  WDC UUID value */
const uint8_t WDC_UUID[] = {
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x2d, 0xb9, 0x8c, 0x52, 0x0c, 0x4c,
	0x5a, 0x15, 0xab, 0xe6, 0x33, 0x29, 0x9a, 0x70, 0xdf, 0xd0
};

/* WDC_UUID value for SN640_3 devices */
const uint8_t WDC_UUID_SN640_3[] = {
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
	0x11, 0x11, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22
};

/* UUID field with value of 0 indicates end of UUID List*/
const uint8_t UUID_END[] = {
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};

enum WDC_DRIVE_ESSENTIAL_TYPE {
	WDC_DE_TYPE_IDENTIFY            = 0x1,
	WDC_DE_TYPE_SMARTATTRIBUTEDUMP  = 0x2,
	WDC_DE_TYPE_EVENTLOG            = 0x4,
	WDC_DE_TYPE_DUMPTRACE           = 0x8,
	WDC_DE_TYPE_DUMPSNAPSHOT        = 0x10,
	WDC_DE_TYPE_ATA_LOGS            = 0x20,
	WDC_DE_TYPE_SMART_LOGS          = 0x40,
	WDC_DE_TYPE_SCSI_LOGS           = 0x80,
	WDC_DE_TYPE_SCSI_MODE_PAGES     = 0x100,
	WDC_DE_TYPE_NVMe_FEATURES       = 0x200,
	WDC_DE_TYPE_DUMPSMARTERRORLOG3  = 0x400,
	WDC_DE_TYPE_DUMPLOG3E           = 0x800,
	WDC_DE_TYPE_DUMPSCRAM           = 0x1000,
	WDC_DE_TYPE_PCU_LOG             = 0x2000,
	WDC_DE_TYPE_DUMP_ERROR_LOGS     = 0x4000,
	WDC_DE_TYPE_FW_SLOT_LOGS        = 0x8000,
	WDC_DE_TYPE_MEDIA_SETTINGS      = 0x10000,
	WDC_DE_TYPE_SMART_DATA          = 0x20000,
	WDC_DE_TYPE_NVME_SETTINGS       = 0x40000,
	WDC_DE_TYPE_NVME_ERROR_LOGS     = 0x80000,
	WDC_DE_TYPE_NVME_LOGS           = 0x100000,
	WDC_DE_TYPE_UART_LOGS           = 0x200000,
	WDC_DE_TYPE_DLOGS_SPI           = 0x400000,
	WDC_DE_TYPE_DLOGS_RAM           = 0x800000,
	WDC_DE_TYPE_NVME_MANF_INFO      = 0x2000000,
	WDC_DE_TYPE_NONE                = 0x1000000,
	WDC_DE_TYPE_ALL                 = 0xFFFFFFF,
};

#define WDC_C0_GUID_LENGTH              16
#define WDC_SCA_V1_NAND_STATS           0x1
#define WDC_SCA_V1_ALL                  0xF
enum {
	SCAO_V1_PMUWT              =  0,	/* Physical media units written TLC */
	SCAO_V1_PMUWS              = 16,	/* Physical media units written SLC */
	SCAO_V1_BUNBN              = 32,	/* Bad user nand blocks normalized */
	SCAO_V1_BUNBR              = 34,	/* Bad user nand blocks raw */
	SCAO_V1_XRC                = 40,	/* XOR recovery count */
	SCAO_V1_UREC               = 48,	/* Uncorrectable read error count */
	SCAO_V1_EECE               = 56,	/* End to end corrected errors */
	SCAO_V1_EEDE               = 64,	/* End to end detected errors */
	SCAO_V1_EEUE               = 72,	/* End to end uncorrected errors */
	SCAO_V1_SDPU               = 80,	/* System data percent used */
	SCAO_V1_MNUDEC             = 84,	/* Min User data erase counts (TLC) */
	SCAO_V1_MXUDEC             = 92,	/* Max User data erase counts (TLC) */
	SCAO_V1_AVUDEC             = 100,	/* Average User data erase counts (TLC) */
	SCAO_V1_MNEC               = 108,	/* Min Erase counts (SLC) */
	SCAO_V1_MXEC               = 116,	/* Max Erase counts (SLC) */
	SCAO_V1_AVEC               = 124,	/* Average Erase counts (SLC) */
	SCAO_V1_PFCN               = 132,	/* Program fail count normalized */
	SCAO_V1_PFCR               = 134,	/* Program fail count raw */
	SCAO_V1_EFCN               = 140,	/* Erase fail count normalized */
	SCAO_V1_EFCR               = 142,	/* Erase fail count raw */
	SCAO_V1_PCEC               = 148,	/* PCIe correctable error count */
	SCAO_V1_PFBU               = 156,	/* Percent free blocks (User) */
	SCAO_V1_SVN                = 160,	/* Security Version Number */
	SCAO_V1_PFBS               = 168,	/* Percent free blocks (System) */
	SCAO_V1_DCC                = 172,	/* Deallocate Commands Completed */
	SCAO_V1_TNU                = 188,	/* Total Namespace Utilization */
	SCAO_V1_FCC                = 196,	/* Format NVM Commands Completed */
	SCAO_V1_BBPG               = 198,	/* Background Back-Pressure Gauge */
	SCAO_V1_SEEC               = 202,	/* Soft ECC error count */
	SCAO_V1_RFSC               = 210,	/* Refresh count */
	SCAO_V1_BSNBN              = 218,	/* Bad system nand blocks normalized */
	SCAO_V1_BSNBR              = 220,	/* Bad system nand blocks raw */
	SCAO_V1_EEST               = 226,	/* Endurance estimate */
	SCAO_V1_TTC                = 242,	/* Thermal throttling count */
	SCAO_V1_UIO                = 244,	/* Unaligned I/O */
	SCAO_V1_PMUR               = 252,	/* Physical media units read */
	SCAO_V1_RTOC               = 268,	/* Read command timeout count */
	SCAO_V1_WTOC               = 272,	/* Write command timeout count */
	SCAO_V1_TTOC               = 276,	/* Trim command timeout count */
	SCAO_V1_PLRC               = 284,	/* PCIe Link Retraining Count */
	SCAO_V1_PSCC               = 292,	/* Power State Change Count */
	SCAO_V1_MAVF               = 300,	/* Boot SSD major version field */
	SCAO_V1_MIVF               = 302,	/* Boot SSD minor version field */
	SCAO_V1_PVF                = 304,	/* Boot SSD point version field */
	SCAO_V1_EVF                = 306,	/* Boot SSD errata version field */
	SCAO_V1_FTLUS              = 308,	/* FTL Unit Size */
	SCAO_V1_TCGOS              = 312,	/* TCG Ownership Status */

	SCAO_V1_LPV                = 494,	/* Log page version - 0x0001 */
	SCAO_V1_LPG                = 496,	/* Log page GUID */
};

static __u8 ext_smart_guid[WDC_C0_GUID_LENGTH] = {
	0x65, 0x43, 0x88, 0x78, 0xAC, 0xD8, 0x78, 0xA1,
	0x66, 0x42, 0x1E, 0x0F, 0x92, 0xD7, 0x6D, 0xC4
};

struct __packed wdc_nvme_ext_smart_log {
	__u8  ext_smart_pmuwt[16];			/* 000 Physical media units written TLC */
	__u8  ext_smart_pmuws[16];			/* 016 Physical media units written SLC */
	__u8  ext_smart_bunbc[8];			/* 032 Bad user nand block count */
	__u64 ext_smart_xrc;				/* 040 XOR recovery count */
	__u64 ext_smart_urec;				/* 048 Uncorrectable read error count */
	__u64 ext_smart_eece;				/* 056 End to end corrected errors */
	__u64 ext_smart_eede;				/* 064 End to end detected errors */
	__u64 ext_smart_eeue;				/* 072 End to end uncorrected errors */
	__u8  ext_smart_sdpu;				/* 080 System data percent used */
	__u8  ext_smart_rsvd1[3];			/* 081 reserved */
	__u64 ext_smart_mnudec;				/* 084 Min User data erase counts (TLC) */
	__u64 ext_smart_mxudec;				/* 092 Max User data erase counts (TLC) */
	__u64 ext_smart_avudec;				/* 100 Average User data erase counts (TLC) */
	__u64 ext_smart_mnec;				/* 108 Min Erase counts (SLC) */
	__u64 ext_smart_mxec;				/* 116 Max Erase counts (SLC) */
	__u64 ext_smart_avec;				/* 124 Average Erase counts (SLC) */
	__u8  ext_smart_pfc[8];				/* 132 Program fail count */
	__u8  ext_smart_efc[8];				/* 140 Erase fail count */
	__u64 ext_smart_pcec;				/* 148 PCIe correctable error count */
	__u8  ext_smart_pfbu;				/* 156 Percent free blocks (User) */
	__u8  ext_smart_rsvd2[3];			/* 157 reserved */
	__u64 ext_smart_svn;				/* 160 Security Version Number */
	__u8  ext_smart_pfbs;				/* 168 Percent free blocks (System) */
	__u8  ext_smart_rsvd3[3];			/* 169 reserved */
	__u8  ext_smart_dcc[16];			/* 172 Deallocate Commands Completed */
	__u64 ext_smart_tnu;				/* 188 Total Namespace Utilization  */
	__u16 ext_smart_fcc;				/* 196 Format NVM Commands Completed */
	__u8  ext_smart_bbpg;				/* 198 Background Back-Pressure Gauge */
	__u8  ext_smart_rsvd4[3];			/* 199 reserved */
	__u64 ext_smart_seec;				/* 202 Soft ECC error count */
	__u64 ext_smart_rfsc;				/* 210 Refresh count */
	__u8  ext_smart_bsnbc[8];			/* 218 Bad system nand block count */
	__u8  ext_smart_eest[16];			/* 226 Endurance estimate */
	__u16 ext_smart_ttc;				/* 242 Thermal throttling count */
	__u64 ext_smart_uio;				/* 244 Unaligned I/O */
	__u8  ext_smart_pmur[16];			/* 252 Physical media units read */
	__u32 ext_smart_rtoc;				/* 268 Read command timeout count */
	__u32 ext_smart_wtoc;				/* 272 Write command timeout count */
	__u32 ext_smart_ttoc;				/* 276 Trim command timeout count */
	__u8  ext_smart_rsvd5[4];			/* 280 reserved */
	__u64 ext_smart_plrc;				/* 284 PCIe Link Retraining Count */
	__u64 ext_smart_pscc;				/* 292 Power State Change Count */
	__u16 ext_smart_maj;				/* 300 Boot SSD major version field */
	__u16 ext_smart_min;				/* 302 Boot SSD minor version field */
	__u16 ext_smart_pt;				/* 304 Boot SSD point version field */
	__u16 ext_smart_err;				/* 306 Boot SSD errata version field */
	__u32 ext_smart_ftlus;				/* 308 FTL Unit Size */
	__u32 ext_smart_tcgos;				/* 312 TCG Ownership Status */
	__u8  ext_smart_rsvd6[178];			/* 316 reserved */
	__u16 ext_smart_lpv;				/* 494 Log page version - 0x0001 */
	__u8  ext_smart_lpg[16];			/* 496 Log page GUID */
};

struct ocp_bad_nand_block_count {
	__u64 raw : 48;
	__u16 normalized : 16;
};

struct ocp_e2e_correction_count {
	__u32 detected;
	__u32 corrected;
};

struct ocp_user_data_erase_count {
	__u32 maximum;
	__u32 minimum;
};

struct ocp_thermal_status {
	__u8 num_events;
	__u8 current_status;
};

struct __packed ocp_dssd_specific_ver {
	__u8 errata_ver;
	__u16 point_ver;
	__u16 minor_ver;
	__u8 major_ver;
};

struct ocp_cloud_smart_log {
	__u8 physical_media_units_written[16];
	__u8 physical_media_units_read[16];
	struct ocp_bad_nand_block_count bad_user_nand_blocks;
	struct ocp_bad_nand_block_count bad_system_nand_blocks;
	__u64 xor_recovery_count;
	__u64 uncorrectable_read_error_count;
	__u64 soft_ecc_error_count;
	struct ocp_e2e_correction_count e2e_correction_counts;
	__u8 system_data_percent_used;
	__u64 refresh_counts : 56;
	struct ocp_user_data_erase_count user_data_erase_counts;
	struct ocp_thermal_status thermal_status;
	struct ocp_dssd_specific_ver dssd_specific_ver;
	__u64 pcie_correctable_error_count;
	__u32 incomplete_shutdowns;
	__u8 rsvd116[4];
	__u8 percent_free_blocks;
	__u8 rsvd121[7];
	__u16 capacitor_health;
	__u8 nvme_base_errata_ver;
	__u8 nvme_cmd_set_errata_ver;
	__u8 rsvd132[4];
	__u64 unaligned_io;
	__u64 security_version_number;
	__u64 total_nuse;
	__u8 plp_start_count[16];
	__u8 endurance_estimate[16];
	__u64 pcie_link_retraining_cnt;
	__u64 power_state_change_cnt;
	char  lowest_permitted_fw_rev[8];
	__u8 rsvd216[278];
	__u16 log_page_version;
	__u8 log_page_guid[16];
};

static __u8 scao_guid[WDC_C0_GUID_LENGTH] = {
	0xC5, 0xAF, 0x10, 0x28, 0xEA, 0xBF, 0xF2, 0xA4,
	0x9C, 0x4F, 0x6F, 0x7C, 0xC9, 0x14, 0xD5, 0xAF
};

enum {
	EOL_RBC                 = 76,	/* Realloc Block Count */
	EOL_ECCR                = 80,	/* ECC Rate */
	EOL_WRA                 = 84,	/* Write Amp */
	EOL_PLR                 = 88,	/* Percent Life Remaining */
	EOL_RSVBC               = 92,	/* Reserved Block Count */
	EOL_PFC                 = 96,	/* Program Fail Count */
	EOL_EFC                 = 100,	/* Erase Fail Count */
	EOL_RRER                = 108,	/* Raw Read Error Rate */
};

#define WDC_NVME_C6_GUID_LENGTH         16
#define WDC_NVME_GET_HW_REV_LOG_OPCODE  0xc6
#define WDC_NVME_HW_REV_LOG_PAGE_LEN    512

struct __packed wdc_nvme_hw_rev_log {
	__u8  hw_rev_gdr;           /*   0 Global Device HW Revision     */
	__u8  hw_rev_ar;            /*   1 ASIC HW Revision              */
	__u8  hw_rev_pbc_mc;        /*   2 PCB Manufacturer Code         */
	__u8  hw_rev_dram_mc;       /*   3 DRAM Manufacturer Code        */
	__u8  hw_rev_nand_mc;       /*   4 NAND Manufacturer Code        */
	__u8  hw_rev_pmic1_mc;      /*   5 PMIC 1 Manufacturer Code      */
	__u8  hw_rev_pmic2_mc;      /*   6 PMIC 2 Manufacturer Code      */
	__u8  hw_rev_c1_mc;         /*   7 Other Component 1 Manf Code   */
	__u8  hw_rev_c2_mc;         /*   8 Other Component 2 Manf Code   */
	__u8  hw_rev_c3_mc;         /*   9 Other Component 3 Manf Code   */
	__u8  hw_rev_c4_mc;         /*  10 Other Component 4 Manf Code   */
	__u8  hw_rev_c5_mc;         /*  11 Other Component 5 Manf Code   */
	__u8  hw_rev_c6_mc;         /*  12 Other Component 6 Manf Code   */
	__u8  hw_rev_c7_mc;         /*  13 Other Component 7 Manf Code   */
	__u8  hw_rev_c8_mc;         /*  14 Other Component 8 Manf Code   */
	__u8  hw_rev_c9_mc;         /*  15 Other Component 9 Manf Code   */
	__u8  hw_rev_rsrvd1[48];    /*  16 Reserved 48 bytes             */
	__u8  hw_rev_dev_mdi[16];   /*  64 Device Manf Detailed Info     */
	__u8  hw_rev_asic_di[16];   /*  80 ASIC Detailed Info            */
	__u8  hw_rev_pcb_di[16];    /*  96 PCB Detailed Info             */
	__u8  hw_rev_dram_di[16];   /* 112 DRAM Detailed Info            */
	__u8  hw_rev_nand_di[16];   /* 128 NAND Detailed Info            */
	__u8  hw_rev_pmic1_di[16];  /* 144 PMIC1 Detailed Info           */
	__u8  hw_rev_pmic2_di[16];  /* 160 PMIC2 Detailed Info           */
	__u8  hw_rev_c1_di[16];     /* 176 Component 1 Detailed Info     */
	__u8  hw_rev_c2_di[16];     /* 192 Component 2 Detailed Info     */
	__u8  hw_rev_c3_di[16];     /* 208 Component 3 Detailed Info     */
	__u8  hw_rev_c4_di[16];     /* 224 Component 4 Detailed Info     */
	__u8  hw_rev_c5_di[16];     /* 240 Component 5 Detailed Info     */
	__u8  hw_rev_c6_di[16];     /* 256 Component 6 Detailed Info     */
	__u8  hw_rev_c7_di[16];     /* 272 Component 7 Detailed Info     */
	__u8  hw_rev_c8_di[16];     /* 288 Component 8 Detailed Info     */
	__u8  hw_rev_c9_di[16];     /* 304 Component 9 Detailed Info     */
	__u8  hw_rev_sn[32];        /* 320 Serial Number                 */
	__u8  hw_rev_rsrvd2[142];   /* 352 Reserved 143 bytes            */
	__u16 hw_rev_version;       /* 494 Log Page Version              */
	__u8  hw_rev_guid[16];      /* 496 Log Page GUID                 */
};

static __u8 hw_rev_log_guid[WDC_NVME_C6_GUID_LENGTH] = {
	0xAA, 0xB0, 0x05, 0xF5, 0x13, 0x5E, 0x48, 0x15,
	0xAB, 0x89, 0x05, 0xBA, 0x8B, 0xE2, 0xBF, 0x3C
};

struct __packed WDC_DE_VU_FILE_META_DATA {
	__u8 fileName[WDC_DE_FILE_NAME_SIZE];
	__u16 fileID;
	__u64 fileSize;
};

struct WDC_DRIVE_ESSENTIALS {
	struct __packed WDC_DE_VU_FILE_META_DATA metaData;
	enum WDC_DRIVE_ESSENTIAL_TYPE essentialType;
};

struct WDC_DE_VU_LOG_DIRECTORY {
	struct WDC_DRIVE_ESSENTIALS *logEntry;		/* Caller to allocate memory       */
	__u32 maxNumLogEntries;				/* Caller to input memory allocated */
	__u32 numOfValidLogEntries;			/* API will output this value      */
};

struct WDC_DE_CSA_FEATURE_ID_LIST {
	enum NVME_FEATURE_IDENTIFIERS featureId;
	__u8 featureName[WDC_DE_GENERIC_BUFFER_SIZE];
};

struct tarfile_metadata {
	char fileName[MAX_PATH_LEN];
	int8_t bufferFolderPath[MAX_PATH_LEN];
	char bufferFolderName[MAX_PATH_LEN];
	char tarFileName[MAX_PATH_LEN];
	char tarFiles[MAX_PATH_LEN];
	char tarCmd[MAX_PATH_LEN+MAX_PATH_LEN];
	char currDir[MAX_PATH_LEN];
	UtilsTimeInfo timeInfo;
	uint8_t *timeString[MAX_PATH_LEN];
};

static struct WDC_DE_CSA_FEATURE_ID_LIST deFeatureIdList[] = {
	{0x00,                                  "Dummy Placeholder"},
	{FID_ARBITRATION,                       "Arbitration"},
	{FID_POWER_MANAGEMENT,                  "PowerMgmnt"},
	{FID_LBA_RANGE_TYPE,                    "LbaRangeType"},
	{FID_TEMPERATURE_THRESHOLD,             "TempThreshold"},
	{FID_ERROR_RECOVERY,                    "ErrorRecovery"},
	{FID_VOLATILE_WRITE_CACHE,              "VolatileWriteCache"},
	{FID_NUMBER_OF_QUEUES,                  "NumOfQueues"},
	{FID_INTERRUPT_COALESCING,              "InterruptCoalesing"},
	{FID_INTERRUPT_VECTOR_CONFIGURATION,    "InterruptVectorConfig"},
	{FID_WRITE_ATOMICITY,                   "WriteAtomicity"},
	{FID_ASYNCHRONOUS_EVENT_CONFIGURATION,  "AsynEventConfig"},
	{FID_AUTONOMOUS_POWER_STATE_TRANSITION, "AutonomousPowerState"},
};

enum NVME_VU_DE_LOGPAGE_NAMES {
	NVME_DE_LOGPAGE_E3 = 0x01,
	NVME_DE_LOGPAGE_C0 = 0x02
};

struct NVME_VU_DE_LOGPAGE_LIST {
	enum NVME_VU_DE_LOGPAGE_NAMES logPageName;
	__u32	logPageId;
	__u32	logPageLen;
	char	logPageIdStr[5];
};

struct WDC_NVME_DE_VU_LOGPAGES {
	enum NVME_VU_DE_LOGPAGE_NAMES vuLogPageReqd;
	__u32 numOfVULogPages;
};

static struct NVME_VU_DE_LOGPAGE_LIST deVULogPagesList[] = {
	{ NVME_DE_LOGPAGE_E3, 0xE3, 1072, "0xe3"},
	{ NVME_DE_LOGPAGE_C0, 0xC0, 512, "0xc0"}
};

enum {
	WDC_NVME_ADMIN_VUC_OPCODE_D2 = 0xD2,
	WDC_VUC_SUBOPCODE_VS_DRIVE_INFO_D2 = 0x0000010A,
	WDC_VUC_SUBOPCODE_LOG_PAGE_DIR_D2 = 0x00000105,
};

enum {
	NVME_LOG_NS_BASE			= 0x80,
	NVME_LOG_VS_BASE			= 0xC0,
};

/*drive_info struct*/
struct ocp_drive_info {
	__u32 hw_revision;
	__u32 ftl_unit_size;
};

/*get log page directory struct*/
struct log_page_directory {
	__u64 supported_lid_bitmap;
	__u64 rsvd;
	__u64 supported_ns_lid_bitmap;
	__u64 supported_vs_lid_bitmap;
};

/*set latency monitor feature */
struct __packed feature_latency_monitor {
	__u16 active_bucket_timer_threshold;
	__u8  active_threshold_a;
	__u8  active_threshold_b;
	__u8  active_threshold_c;
	__u8  active_threshold_d;
	__u16 active_latency_config;
	__u8  active_latency_minimum_window;
	__u16 debug_log_trigger_enable;
	__u8  discard_debug_log;
	__u8  latency_monitor_feature_enable;
	__u8  reserved[4083];
};

static int wdc_get_serial_name(struct nvme_dev *dev, char *file, size_t len, const char *suffix);
static int wdc_create_log_file(char *file, __u8 *drive_log_data, __u32 drive_log_length);
static int wdc_do_clear_dump(struct nvme_dev *dev, __u8 opcode, __u32 cdw12);
static int wdc_do_dump(struct nvme_dev *dev, __u32 opcode, __u32 data_len, __u32 cdw12, char *file,
		       __u32 xfer_size);
static int wdc_do_crash_dump(struct nvme_dev *dev, char *file, int type);
static int wdc_crash_dump(struct nvme_dev *dev, char *file, int type);
static int wdc_get_crash_dump(int argc, char **argv, struct command *command,
			      struct plugin *plugin);
static int wdc_do_drive_log(struct nvme_dev *dev, char *file);
static int wdc_drive_log(int argc, char **argv, struct command *command, struct plugin *plugin);
static const char *wdc_purge_mon_status_to_string(__u32 status);
static int wdc_purge(int argc, char **argv, struct command *command, struct plugin *plugin);
static int wdc_purge_monitor(int argc, char **argv, struct command *command, struct plugin *plugin);
static bool wdc_nvme_check_supported_log_page(nvme_root_t r, struct nvme_dev *dev, __u8 log_id);
static int wdc_clear_pcie_correctable_errors(int argc, char **argv, struct command *command,
					     struct plugin *plugin);
static int wdc_do_drive_essentials(nvme_root_t r, struct nvme_dev *dev, char *dir, char *key);
static int wdc_drive_essentials(int argc, char **argv, struct command *command,
				struct plugin *plugin);
static int wdc_drive_status(int argc, char **argv, struct command *command, struct plugin *plugin);
static int wdc_clear_assert_dump(int argc, char **argv, struct command *command,
				 struct plugin *plugin);
static int wdc_drive_resize(int argc, char **argv, struct command *command, struct plugin *plugin);
static int wdc_do_drive_resize(struct nvme_dev *dev, uint64_t new_size);
static int wdc_namespace_resize(int argc, char **argv, struct command *command,
				struct plugin *plugin);
static int wdc_do_namespace_resize(struct nvme_dev *dev, __u32 nsid, __u32 op_option);
static int wdc_reason_identifier(int argc, char **argv, struct command *command,
				 struct plugin *plugin);
static int wdc_do_get_reason_id(struct nvme_dev *dev, char *file, int log_id);
static int wdc_save_reason_id(struct nvme_dev *dev, __u8 *rsn_ident,  int size);
static int wdc_clear_reason_id(struct nvme_dev *dev);
static int wdc_log_page_directory(int argc, char **argv, struct command *command,
				  struct plugin *plugin);
static int wdc_do_drive_info(struct nvme_dev *dev, __u32 *result);
static int wdc_vs_drive_info(int argc, char **argv, struct command *command, struct plugin *plugin);
static int wdc_vs_temperature_stats(int argc, char **argv, struct command *command,
				    struct plugin *plugin);
static __u64 wdc_get_enc_drive_capabilities(nvme_root_t r, struct nvme_dev *dev);
static int wdc_enc_get_nic_log(struct nvme_dev *dev, __u8 log_id, __u32 xfer_size, __u32 data_len,
			       FILE *out);
static int wdc_enc_submit_move_data(struct nvme_dev *dev, char *cmd, int len, int xfer_size,
				    FILE *out, int data_id, int cdw14, int cdw15);
static bool get_dev_mgment_cbs_data(nvme_root_t r, struct nvme_dev *dev, __u8 log_id,
				    void **cbs_data);
static __u32 wdc_get_fw_cust_id(nvme_root_t r, struct nvme_dev *dev);
static int wdc_print_c0_cloud_attr_log(void *data,
		int fmt,
		struct nvme_dev *dev);
static int wdc_print_c0_eol_log(void *data, int fmt);
static void wdc_show_cloud_smart_log_normal(struct ocp_cloud_smart_log *log,
		struct nvme_dev *dev);
static void wdc_show_cloud_smart_log_json(struct ocp_cloud_smart_log *log);

/* Drive log data size */
struct wdc_log_size {
	__le32	log_size;
};

/* E6 log header */
struct wdc_e6_log_hdr {
	__le32  eye_catcher;
	__u8	log_size[4];
};

/* DUI log header */
struct wdc_dui_log_section {
	__le16	section_type;
	__le16	reserved;
	__le32	section_size;
};

/* DUI log header V2 */
struct __packed wdc_dui_log_section_v2 {
	__le16	section_type;
	__le16	data_area_id;
	__le64	section_size;
};

/* DUI log header V4 */
struct wdc_dui_log_section_v4 {
	__le16	section_type;
	__u8	data_area_id;
	__u8    reserved;
	__le32	section_size_sectors;
};

struct wdc_dui_log_hdr {
	__u8    telemetry_hdr[512];
	__le16	hdr_version;
	__le16	section_count;
	__le32	log_size;
	struct	wdc_dui_log_section log_section[WDC_NVME_DUI_MAX_SECTION];
	__u8    log_data[40];
};

struct __packed wdc_dui_log_hdr_v2 {
	__u8    telemetry_hdr[512];
	__u8	hdr_version;
	__u8    product_id;
	__le16	section_count;
	__le64	log_size;
	struct	wdc_dui_log_section_v2 log_section[WDC_NVME_DUI_MAX_SECTION_V2];
	__u8    log_data[40];
};

struct __packed wdc_dui_log_hdr_v3 {
	__u8    telemetry_hdr[512];
	__u8	hdr_version;
	__u8    product_id;
	__le16	section_count;
	__le64	log_size;
	struct	wdc_dui_log_section_v2 log_section[WDC_NVME_DUI_MAX_SECTION_V3];
	__u8    securityNonce[36];
	__u8    log_data[40];
};

struct __packed wdc_dui_log_hdr_v4 {
	__u8    telemetry_hdr[512];
	__u8	hdr_version;
	__u8    product_id;
	__le16	section_count;
	__le32	log_size_sectors;
	struct	wdc_dui_log_section_v4 log_section[WDC_NVME_DUI_MAX_SECTION];
	__u8    log_data[40];
};

/* Purge monitor response */
struct wdc_nvme_purge_monitor_data {
	__le16 rsvd1;
	__le16 rsvd2;
	__le16 first_erase_failure_cnt;
	__le16 second_erase_failure_cnt;
	__le16 rsvd3;
	__le16 programm_failure_cnt;
	__le32 rsvd4;
	__le32 rsvd5;
	__le32 entire_progress_total;
	__le32 entire_progress_current;
	__u8 rsvd6[14];
};

/* Additional Smart Log */
struct wdc_log_page_header {
	uint8_t	num_subpages;
	uint8_t	reserved;
	__le16	total_log_size;
};

struct wdc_log_page_subpage_header {
	uint8_t	spcode;
	uint8_t	pcset;
	__le16	subpage_length;
};

struct wdc_ssd_perf_stats {
	__le64	hr_cmds;		/* Host Read Commands			*/
	__le64	hr_blks;		/* Host Read Blocks			*/
	__le64	hr_ch_cmds;		/* Host Read Cache Hit Commands		*/
	__le64	hr_ch_blks;		/* Host Read Cache Hit Blocks		*/
	__le64	hr_st_cmds;		/* Host Read Stalled Commands		*/
	__le64	hw_cmds;		/* Host Write Commands			*/
	__le64	hw_blks;		/* Host Write Blocks			*/
	__le64	hw_os_cmds;		/* Host Write Odd Start Commands	*/
	__le64	hw_oe_cmds;		/* Host Write Odd End Commands		*/
	__le64	hw_st_cmds;		/* Host Write Commands Stalled		*/
	__le64	nr_cmds;		/* NAND Read Commands			*/
	__le64	nr_blks;		/* NAND Read Blocks			*/
	__le64	nw_cmds;		/* NAND Write Commands			*/
	__le64	nw_blks;		/* NAND Write Blocks			*/
	__le64	nrbw;			/* NAND Read Before Write		*/
};

/* Additional C2 Log Page */
struct wdc_c2_log_page_header {
	__le32	length;
	__le32	version;
};

struct wdc_c2_log_subpage_header {
	__le32	length;
	__le32	entry_id;
	__le32	data;
};

struct wdc_c2_cbs_data {
	__le32	length;
	__u8	data[];
};

struct __packed wdc_bd_ca_log_format {
	__u8	field_id;
	__u8	reserved1[2];
	__u8	normalized_value;
	__u8	raw_value[8];
};

#define WDC_LATENCY_LOG_BUCKET_READ         3
#define WDC_LATENCY_LOG_BUCKET_WRITE        2
#define WDC_LATENCY_LOG_BUCKET_TRIM         1
#define WDC_LATENCY_LOG_BUCKET_RESERVED     0

#define WDC_LATENCY_LOG_MEASURED_LAT_READ   2
#define WDC_LATENCY_LOG_MEASURED_LAT_WRITE  1
#define WDC_LATENCY_LOG_MEASURED_LAT_TRIM   0

struct __packed wdc_ssd_latency_monitor_log {
	__u8    feature_status;                         /* 0x00 */
	__u8    rsvd1;                                  /* 0x01 */
	__le16  active_bucket_timer;                    /* 0x02 */
	__le16  active_bucket_timer_threshold;          /* 0x04 */
	__u8    active_threshold_a;                     /* 0x06 */
	__u8    active_threshold_b;                     /* 0x07 */
	__u8    active_threshold_c;                     /* 0x08 */
	__u8    active_threshold_d;                     /* 0x09 */
	__le16  active_latency_config;                  /* 0x0A */
	__u8    active_latency_min_window;              /* 0x0C */
	__u8    rsvd2[0x13];                            /* 0x0D */

	__le32  active_bucket_counter[4][4];            /* 0x20 - 0x5F */
	__le64  active_latency_timestamp[4][3];         /* 0x60 - 0xBF */
	__le16  active_measured_latency[4][3];          /* 0xC0 - 0xD7 */
	__le16  active_latency_stamp_units;             /* 0xD8 */
	__u8    rsvd3[0x16];                            /* 0xDA */

	__le32  static_bucket_counter[4][4] ;           /* 0xF0  - 0x12F */
	__le64  static_latency_timestamp[4][3];         /* 0x130 - 0x18F */
	__le16  static_measured_latency[4][3];          /* 0x190 - 0x1A7 */
	__le16  static_latency_stamp_units;             /* 0x1A8 */
	__u8    rsvd4[10];                              /* 0x1AA */

	__u8    debug_telemetry_log_size[12];           /* 0x1B4 */
	__le16  debug_log_trigger_enable;               /* 0x1C0 */
	__le16  debug_log_measured_latency;             /* 0x1C2 */
	__le64  debug_log_latency_stamp;                /* 0x1C4 */
	__le16  debug_log_ptr;                          /* 0x1CC */
	__le16  debug_log_counter_trigger;              /* 0x1CE */
	__u8    debug_log_stamp_units;                  /* 0x1D0 */
	__u8    rsvd5[0x1D];                            /* 0x1D1 */

	__le16  log_page_version;                       /* 0x1EE */
	__u8    log_page_guid[0x10];                    /* 0x1F0 */
};

struct __packed wdc_ssd_ca_perf_stats {
	__le64  nand_bytes_wr_lo;                       /* 0x00 - NAND Bytes Written lo            */
	__le64  nand_bytes_wr_hi;                       /* 0x08 - NAND Bytes Written hi            */
	__le64  nand_bytes_rd_lo;                       /* 0x10 - NAND Bytes Read lo               */
	__le64  nand_bytes_rd_hi;                       /* 0x18 - NAND Bytes Read hi               */
	__le64  nand_bad_block;                         /* 0x20 - NAND Bad Block Count             */
	__le64  uncorr_read_count;                      /* 0x28 - Uncorrectable Read Count         */
	__le64  ecc_error_count;                        /* 0x30 - Soft ECC Error Count             */
	__le32  ssd_detect_count;                       /* 0x38 - SSD End to End Detection Count   */
	__le32  ssd_correct_count;                      /* 0x3C - SSD End to End Correction Count  */
	__u8    data_percent_used;                      /* 0x40 - System Data Percent Used         */
	__le32  data_erase_max;                         /* 0x41 - User Data Erase Counts           */
	__le32  data_erase_min;                         /* 0x45 - User Data Erase Counts           */
	__le64  refresh_count;                          /* 0x49 - Refresh Count                    */
	__le64  program_fail;                           /* 0x51 - Program Fail Count               */
	__le64  user_erase_fail;                        /* 0x59 - User Data Erase Fail Count       */
	__le64  system_erase_fail;                      /* 0x61 - System Area Erase Fail Count     */
	__u8    thermal_throttle_status;                /* 0x69 - Thermal Throttling Status        */
	__u8    thermal_throttle_count;                 /* 0x6A - Thermal Throttling Count         */
	__le64  pcie_corr_error;                        /* 0x6B - pcie Correctable Error Count     */
	__le32  incomplete_shutdown_count;              /* 0x73 - Incomplete Shutdown Count        */
	__u8    percent_free_blocks;                    /* 0x77 - Percent Free Blocks              */
	__u8    rsvd[392];                              /* 0x78 - Reserved bytes 120-511           */
};

struct __packed wdc_ssd_d0_smart_log {
	__le32  smart_log_page_header;                 /* 0x00 - Smart Log Page Header                      */
	__le32  lifetime_realloc_erase_block_count;    /* 0x04 - Lifetime reallocated erase block count     */
	__le32  lifetime_power_on_hours;               /* 0x08 - Lifetime power on hours                    */
	__le32  lifetime_uecc_count;                   /* 0x0C - Lifetime UECC count                        */
	__le32  lifetime_wrt_amp_factor;               /* 0x10 - Lifetime write amplification factor        */
	__le32  trailing_hr_wrt_amp_factor;            /* 0x14 - Trailing hour write amplification factor   */
	__le32  reserve_erase_block_count;             /* 0x18 - Reserve erase block count                  */
	__le32  lifetime_program_fail_count;           /* 0x1C - Lifetime program fail count                */
	__le32  lifetime_block_erase_fail_count;       /* 0x20 - Lifetime block erase fail count            */
	__le32  lifetime_die_failure_count;            /* 0x24 - Lifetime die failure count                 */
	__le32  lifetime_link_rate_downgrade_count;    /* 0x28 - Lifetime link rate downgrade count         */
	__le32  lifetime_clean_shutdown_count;         /* 0x2C - Lifetime clean shutdown count on power loss */
	__le32  lifetime_unclean_shutdown_count;       /* 0x30 - Lifetime unclean shutdowns on power loss   */
	__le32  current_temp;                          /* 0x34 - Current temperature                        */
	__le32  max_recorded_temp;                     /* 0x38 - Max recorded temperature                   */
	__le32  lifetime_retired_block_count;          /* 0x3C - Lifetime retired block count               */
	__le32  lifetime_read_disturb_realloc_events;  /* 0x40 - Lifetime read disturb reallocation events  */
	__le64  lifetime_nand_writes;                  /* 0x44 - Lifetime NAND write Lpages                 */
	__le32  capacitor_health;                      /* 0x4C - Capacitor health                           */
	__le64  lifetime_user_writes;                  /* 0x50 - Lifetime user writes                       */
	__le64  lifetime_user_reads;                   /* 0x58 - Lifetime user reads                        */
	__le32  lifetime_thermal_throttle_act;         /* 0x60 - Lifetime thermal throttle activations      */
	__le32  percentage_pe_cycles_remaining;        /* 0x64 - Percentage of P/E cycles remaining         */
	__u8    rsvd[408];                             /* 0x68 - 408 Reserved bytes                         */
};

#define WDC_OCP_C1_GUID_LENGTH              16
#define WDC_ERROR_REC_LOG_BUF_LEN          512
#define WDC_ERROR_REC_LOG_ID              0xC1

struct __packed wdc_ocp_c1_error_recovery_log {
	__le16  panic_reset_wait_time;              /* 000 - Panic Reset Wait Time               */
	__u8    panic_reset_action;                 /* 002 - Panic Reset Action                  */
	__u8    dev_recovery_action1;               /* 003 - Device Recovery Action 1            */
	__le64  panic_id;                           /* 004 - Panic ID                            */
	__le32  dev_capabilities;                   /* 012 - Device Capabilities                 */
	__u8    vs_recovery_opc;                    /* 016 - Vendor Specific Recovery Opcode     */
	__u8    rsvd1[3];                           /* 017 - 3 Reserved Bytes                    */
	__le32  vs_cmd_cdw12;                       /* 020 - Vendor Specific Command CDW12       */
	__le32  vs_cmd_cdw13;                       /* 024 - Vendor Specific Command CDW13       */
	__u8    vs_cmd_to;                          /* 028 - Vendor Specific Command Timeout V2  */
	__u8    dev_recovery_action2;               /* 029 - Device Recovery Action 2 V2         */
	__u8    dev_recovery_action2_to;            /* 030 - Device Recovery Action 2 Timeout V2 */
	__u8    panic_count;                        /* 031 - Number of panics encountered        */
	__le64  prev_panic_ids[4];                  /* 032 - 063 Previous Panic ID's             */
	__u8    rsvd2[430];                         /* 064 - 493 Reserved Bytes                  */
	                                            /* 430 reserved bytes aligns with the rest   */
	                                            /* of the data structure.  The size of 463   */
	                                            /* bytes mentioned in the OCP spec           */
	                                            /* (version 2.5) would not fit here.         */
	__le16  log_page_version;                   /* 494 - Log Page Version                    */
	__u8    log_page_guid[WDC_OCP_C1_GUID_LENGTH]; /* 496 - Log Page GUID                    */
};

static __u8 wdc_ocp_c1_guid[WDC_OCP_C1_GUID_LENGTH]    = { 0x44, 0xD9, 0x31, 0x21, 0xFE, 0x30, 0x34, 0xAE,
		0xAB, 0x4D, 0xFD, 0x3D, 0xBA, 0x83, 0x19, 0x5A };

/* NAND Stats */
struct __packed wdc_nand_stats {
	__u8		nand_write_tlc[16];
	__u8		nand_write_slc[16];
	__le32		nand_prog_failure;
	__le32		nand_erase_failure;
	__le32		bad_block_count;
	__le64		nand_rec_trigger_event;
	__le64		e2e_error_counter;
	__le64		successful_ns_resize_event;
	__u8		rsvd[442];
	__u16		log_page_version;
};

struct __packed wdc_nand_stats_V3 {
	__u8		nand_write_tlc[16];
	__u8		nand_write_slc[16];
	__u8		bad_nand_block_count[8];
	__le64		xor_recovery_count;
	__le64		uecc_read_error_count;
	__u8		ssd_correction_counts[16];
	__u8		percent_life_used;
	__le64		user_data_erase_counts[4];
	__u8		program_fail_count[8];
	__u8		erase_fail_count[8];
	__le64		correctable_error_count;
	__u8		percent_free_blocks_user;
	__le64		security_version_number;
	__u8		percent_free_blocks_system;
	__u8		trim_completions[25];
	__u8		back_pressure_guage;
	__le64		soft_ecc_error_count;
	__le64		refresh_count;
	__u8		bad_sys_nand_block_count[8];
	__u8		endurance_estimate[16];
	__u8		thermal_throttling_st_ct[2];
	__le64		unaligned_IO;
	__u8		physical_media_units[16];
	__u8		reserved[279];
	__u16		log_page_version;
};

struct wdc_vs_pcie_stats {
	__le64 unsupportedRequestErrorCount;
	__le64 ecrcErrorStatusCount;
	__le64 malformedTlpStatusCount;
	__le64 receiverOverflowStatusCount;
	__le64 unexpectedCmpltnStatusCount;
	__le64 completeAbortStatusCount;
	__le64 cmpltnTimoutStatusCount;
	__le64 flowControlErrorStatusCount;
	__le64 poisonedTlpStatusCount;
	__le64 dLinkPrtclErrorStatusCount;
	__le64 advsryNFatalErrStatusCount;
	__le64 replayTimerToStatusCount;
	__le64 replayNumRolloverStCount;
	__le64 badDllpStatusCount;
	__le64 badTlpStatusCount;
	__le64 receiverErrStatusCount;
	__u8 reserved1[384];
};

struct wdc_fw_act_history_log_hdr {
	__le32 eye_catcher;
	__u8 version;
	__u8 reserved1;
	__u8 num_entries;
	__u8 reserved2;
	__le32 entry_size;
	__le32 reserved3;
};

struct wdc_fw_act_history_log_entry {
	__le32 entry_num;
	__le32 power_cycle_count;
	__le64 power_on_seconds;
	__le64 previous_fw_version;
	__le64 new_fw_version;
	__u8 slot_number;
	__u8 commit_action_type;
	__le16 result;
	__u8 reserved[12];
};

struct __packed wdc_fw_act_history_log_entry_c2 {
	__u8		entry_version_num;
	__u8		entry_len;
	__le16		reserved;
	__le16		fw_act_hist_entries;
	__le64		timestamp;
	__u8		reserved2[8];
	__le64		power_cycle_count;
	__le64		previous_fw_version;
	__le64		current_fw_version;
	__u8		slot_number;
	__u8		commit_action_type;
	__le16		result;
	__u8		reserved3[14];
};

struct __packed wdc_fw_act_history_log_format_c2 {
	__u8		log_identifier;
	__u8		reserved[3];
	__le32		num_entries;
	struct		wdc_fw_act_history_log_entry_c2 entry[WDC_MAX_NUM_ACT_HIST_ENTRIES];
	__u8		reserved2[2790];
	__le16		log_page_version;
	__u8		log_page_guid[WDC_C2_GUID_LENGTH];
};

static __u8 ocp_C2_guid[WDC_C2_GUID_LENGTH] = {
	0x6D, 0x79, 0x9A, 0x76, 0xB4, 0xDA, 0xF6, 0xA3,
	0xE2, 0x4D, 0xB2, 0x8A, 0xAC, 0xF3, 0x1C, 0xD1
};

#define WDC_OCP_C4_GUID_LENGTH              16
#define WDC_DEV_CAP_LOG_BUF_LEN           4096
#define WDC_DEV_CAP_LOG_ID                0xC4
#define WDC_DEV_CAP_LOG_VERSION           0001
#define WDC_OCP_C4_NUM_PS_DESCR            127

struct __packed wdc_ocp_C4_dev_cap_log {
	__le16  num_pcie_ports;                        /* 0000 - Number of PCI Express Ports         */
	__le16  oob_mgmt_support;                      /* 0002 - OOB Management Interfaces Supported */
	__le16  wrt_zeros_support;                     /* 0004 - Write Zeros Command Support        */
	__le16  sanitize_support;                      /* 0006 - Sanitize Command Support            */
	__le16  dsm_support;                           /* 0008 - Dataset Management Command Support  */
	__le16  wrt_uncor_support;                     /* 0010 - Write Uncorrectable Command Support */
	__le16  fused_support;                         /* 0012 - Fused Operation Support             */
	__le16  min_dssd_ps;                           /* 0014 - Minimum Valid DSSD Power State      */
	__u8    rsvd1;                                 /* 0016 - Reserved must be cleared to zero    */
	__u8    dssd_ps_descr[WDC_OCP_C4_NUM_PS_DESCR];/* 0017 - DSSD Power State Descriptors        */
	__u8    rsvd2[3934];                           /* 0144 - Reserved must be cleared to zero    */
	__le16  log_page_version;                      /* 4078 - Log Page Version                    */
	__u8    log_page_guid[WDC_OCP_C4_GUID_LENGTH]; /* 4080 - Log Page GUID                       */
};

static __u8 wdc_ocp_c4_guid[WDC_OCP_C4_GUID_LENGTH]  = {
	0x97, 0x42, 0x05, 0x0D, 0xD1, 0xE1, 0xC9, 0x98,
	0x5D, 0x49, 0x58, 0x4B, 0x91, 0x3C, 0x05, 0xB7
};

#define WDC_OCP_C5_GUID_LENGTH              16
#define WDC_UNSUPPORTED_REQS_LOG_BUF_LEN  4096
#define WDC_UNSUPPORTED_REQS_LOG_ID       0xC5
#define WDC_UNSUPPORTED_REQS_LOG_VERSION  0001
#define WDC_NUM_UNSUPPORTED_REQ_ENTRIES    253

struct __packed wdc_ocp_C5_unsupported_reqs {
	__le16  unsupported_count;                     /* 0000 - Number of Unsupported Requirement IDs              */
	__u8    rsvd1[14];                             /* 0002 - Reserved must be cleared to zero                   */
	__u8    unsupported_req_list[WDC_NUM_UNSUPPORTED_REQ_ENTRIES][16];  /* 0016 - Unsupported Requirements List */
	__u8    rsvd2[14];                             /* 4064 - Reserved must be cleared to zero                   */
	__le16  log_page_version;                      /* 4078 - Log Page Version                                   */
	__u8    log_page_guid[WDC_OCP_C5_GUID_LENGTH]; /* 4080 - Log Page GUID                                      */
};

static __u8 wdc_ocp_c5_guid[WDC_OCP_C5_GUID_LENGTH]    = { 0x2F, 0x72, 0x9C, 0x0E, 0x99, 0x23, 0x2C, 0xBB,
		0x63, 0x48, 0x32, 0xD0, 0xB7, 0x98, 0xBB, 0xC7 };

#define WDC_REASON_INDEX_MAX                    16
#define WDC_REASON_ID_ENTRY_LEN                128
#define WDC_REASON_ID_PATH_NAME                "/usr/local/nvmecli"

const char *log_page_name[256] = {
	[NVME_LOG_LID_ERROR]		= "Error Information",
	[NVME_LOG_LID_SMART]		= "SMART / Health Information",
	[NVME_LOG_LID_FW_SLOT]		= "Firmware Slot Information",
	[NVME_LOG_LID_CHANGED_NS]	= "Changed Namespace List",
	[NVME_LOG_LID_CMD_EFFECTS]	= "Command Supported and Effects",
	[NVME_LOG_LID_TELEMETRY_HOST]	= "Telemetry Host-Initiated",
	[NVME_LOG_LID_TELEMETRY_CTRL]	= "Telemetry Controller-Initiated",
	[NVME_LOG_LID_SANITIZE]		= "Sanitize Status",
	[WDC_LOG_ID_C0]			= "Extended SMART Information",
	[WDC_LOG_ID_C2]			= "Firmware Activation History",
	[WDC_LOG_ID_C3]			= "Latency Monitor",
	[WDC_LOG_ID_C4]			= "Device Capabilities",
	[WDC_LOG_ID_C5]			= "Unsupported Requirements",
};

static double safe_div_fp(double numerator, double denominator)
{
	return denominator ? numerator / denominator : 0;
}

static double calc_percent(uint64_t numerator, uint64_t denominator)
{
	return denominator ?
		(uint64_t)(((double)numerator / (double)denominator) * 100) : 0;
}

static int wdc_get_pci_ids(nvme_root_t r, struct nvme_dev *dev,
			   uint32_t *device_id, uint32_t *vendor_id)
{
	char vid[256], did[256], id[32];
	nvme_ctrl_t c = NULL;
	nvme_ns_t n = NULL;
	int fd, ret;

	c = nvme_scan_ctrl(r, dev->name);
	if (c) {
		snprintf(vid, sizeof(vid), "%s/device/vendor",
			nvme_ctrl_get_sysfs_dir(c));
		snprintf(did, sizeof(did), "%s/device/device",
			nvme_ctrl_get_sysfs_dir(c));
		nvme_free_ctrl(c);
	} else {
		n = nvme_scan_namespace(dev->name);
		if (!n) {
			fprintf(stderr, "Unable to find %s\n", dev->name);
			return -1;
		}

		snprintf(vid, sizeof(vid), "%s/device/device/vendor",
			nvme_ns_get_sysfs_dir(n));
		snprintf(did, sizeof(did), "%s/device/device/device",
			nvme_ns_get_sysfs_dir(n));
		nvme_free_ns(n);
	}

	fd = open(vid, O_RDONLY);
	if (fd < 0) {
		fprintf(stderr, "ERROR: WDC: %s : Open vendor file failed\n", __func__);
		return -1;
	}

	ret = read(fd, id, 32);
	close(fd);

	if (ret < 0) {
		fprintf(stderr, "%s: Read of pci vendor id failed\n", __func__);
		return -1;
	}
	id[ret < 32 ? ret : 31] = '\0';
	if (id[strlen(id) - 1] == '\n')
		id[strlen(id) - 1] = '\0';

	*vendor_id = strtol(id, NULL, 0);
	ret = 0;

	fd = open(did, O_RDONLY);
	if (fd < 0) {
		fprintf(stderr, "ERROR: WDC: %s : Open device file failed\n", __func__);
		return -1;
	}

	ret = read(fd, id, 32);
	close(fd);

	if (ret < 0) {
		fprintf(stderr, "%s: Read of pci device id failed\n", __func__);
		return -1;
	}
	id[ret < 32 ? ret : 31] = '\0';
	if (id[strlen(id) - 1] == '\n')
		id[strlen(id) - 1] = '\0';

	*device_id = strtol(id, NULL, 0);
	return 0;
}

static int wdc_get_vendor_id(struct nvme_dev *dev, uint32_t *vendor_id)
{
	int ret;
	struct nvme_id_ctrl ctrl;

	memset(&ctrl, 0, sizeof(struct nvme_id_ctrl));
	ret = nvme_identify_ctrl(dev_fd(dev), &ctrl);
	if (ret) {
		fprintf(stderr, "ERROR: WDC: nvme_identify_ctrl() failed 0x%x\n", ret);
		return -1;
	}

	*vendor_id = (uint32_t) ctrl.vid;

	return ret;
}

static bool wdc_is_sn861(__u32 device_id)
{
	if ((device_id == WDC_NVME_SN861_DEV_ID) ||
	    (device_id == WDC_NVME_SN861_DEV_ID_1) ||
	    (device_id == WDC_NVME_SN861_DEV_ID_2))
		return true;
	else
		return false;
}


static bool wdc_is_sn640(__u32 device_id)
{
	if ((device_id == WDC_NVME_SN640_DEV_ID) ||
	    (device_id == WDC_NVME_SN640_DEV_ID_1) ||
	    (device_id == WDC_NVME_SN640_DEV_ID_2))
		return true;
	else
		return false;
}

static bool wdc_is_sn640_3(__u32 device_id)
{
	if (device_id == WDC_NVME_SN640_DEV_ID_3)
		return true;
	else
		return false;
}

static bool wdc_is_sn650_u2(__u32 device_id)
{
	if (device_id == WDC_NVME_SN650_DEV_ID_3)
		return true;
	else
		return false;
}

static bool wdc_is_sn650_e1l(__u32 device_id)
{
	if (device_id == WDC_NVME_SN650_DEV_ID_4)
		return true;
	else
		return false;
}

static bool needs_c2_log_page_check(__u32 device_id)
{
	if ((wdc_is_sn640(device_id)) ||
	    (wdc_is_sn650_u2(device_id)) ||
	    (wdc_is_sn650_e1l(device_id)))
		return true;
	else
		return false;
}

static bool wdc_check_power_of_2(int num)
{
	return num && (!(num & (num-1)));
}

static int wdc_get_model_number(struct nvme_dev *dev, char *model)
{
	int ret, i;
	struct nvme_id_ctrl ctrl;

	memset(&ctrl, 0, sizeof(struct nvme_id_ctrl));
	ret = nvme_identify_ctrl(dev_fd(dev), &ctrl);
	if (ret) {
		fprintf(stderr, "ERROR: WDC: nvme_identify_ctrl() failed 0x%x\n", ret);
		return -1;
	}

	memcpy(model, ctrl.mn, NVME_ID_CTRL_MODEL_NUMBER_SIZE);
	/* get rid of the padded spaces */
	i = NVME_ID_CTRL_MODEL_NUMBER_SIZE-1;
	while (model[i] == ' ')
		i--;
	model[i+1] = 0;

	return ret;
}

static bool wdc_check_device(nvme_root_t r, struct nvme_dev *dev)
{
	int ret;
	bool supported;
	uint32_t read_device_id = -1, read_vendor_id = -1;

	ret = wdc_get_pci_ids(r, dev, &read_device_id, &read_vendor_id);
	if (ret < 0) {
		/* Use the identify nvme command to get vendor id due to NVMeOF device. */
		if (wdc_get_vendor_id(dev, &read_vendor_id) < 0)
			return false;
	}

	supported = false;

	if (read_vendor_id == WDC_NVME_VID ||
	    read_vendor_id == WDC_NVME_VID_2 ||
	    read_vendor_id == WDC_NVME_SNDK_VID)
		supported = true;
	else
		fprintf(stderr,
			"ERROR: WDC: unsupported WDC device, Vendor ID = 0x%x, Device ID = 0x%x\n",
			read_vendor_id, read_device_id);

	return supported;
}

static bool wdc_enc_check_model(struct nvme_dev *dev)
{
	int ret;
	bool supported;
	char model[NVME_ID_CTRL_MODEL_NUMBER_SIZE+1];

	ret = wdc_get_model_number(dev, model);
	if (ret < 0)
		return false;

	supported = false;
	model[NVME_ID_CTRL_MODEL_NUMBER_SIZE] = 0; /* forced termination */
	if (strstr(model, WDC_OPENFLEX_MI_DEVICE_MODEL))
		supported = true;
	else
		fprintf(stderr, "ERROR: WDC: unsupported WDC enclosure, Model = %s\n", model);

	return supported;
}

static __u64 wdc_get_drive_capabilities(nvme_root_t r, struct nvme_dev *dev)
{
	int ret;
	uint32_t read_device_id = -1, read_vendor_id = -1;
	__u64 capabilities = 0;
	__u32 cust_id;

	ret = wdc_get_pci_ids(r, dev, &read_device_id, &read_vendor_id);
	if (ret < 0) {
		if (wdc_get_vendor_id(dev, &read_vendor_id) < 0)
			return capabilities;
	}

	/* below check condition is added due in NVMeOF device we dont have device_id so we need to use only vendor_id*/
	if (read_device_id == -1 && read_vendor_id != -1) {
		capabilities = wdc_get_enc_drive_capabilities(r, dev);
		return capabilities;
	}

	switch (read_vendor_id) {
	case WDC_NVME_VID:
		switch (read_device_id) {
		case WDC_NVME_SN100_DEV_ID:
			capabilities = (WDC_DRIVE_CAP_CAP_DIAG | WDC_DRIVE_CAP_INTERNAL_LOG | WDC_DRIVE_CAP_C1_LOG_PAGE |
					WDC_DRIVE_CAP_DRIVE_LOG | WDC_DRIVE_CAP_CRASH_DUMP | WDC_DRIVE_CAP_PFAIL_DUMP |
					WDC_DRIVE_CAP_PURGE);
			break;

		case WDC_NVME_SN200_DEV_ID:
			capabilities = (WDC_DRIVE_CAP_CAP_DIAG | WDC_DRIVE_CAP_INTERNAL_LOG | WDC_DRIVE_CAP_CLEAR_PCIE |
					WDC_DRIVE_CAP_DRIVE_LOG | WDC_DRIVE_CAP_CRASH_DUMP | WDC_DRIVE_CAP_PFAIL_DUMP |
					WDC_DRIVE_CAP_PURGE);

			/* verify the 0xCA log page is supported */
			if (wdc_nvme_check_supported_log_page(r, dev,
							      WDC_NVME_GET_DEVICE_INFO_LOG_OPCODE))
				capabilities |= WDC_DRIVE_CAP_CA_LOG_PAGE;

			/* verify the 0xC1 log page is supported */
			if (wdc_nvme_check_supported_log_page(r, dev,
							      WDC_NVME_ADD_LOG_OPCODE))
				capabilities |= WDC_DRIVE_CAP_C1_LOG_PAGE;
			break;

		default:
			capabilities = 0;
		}
		break;

	case WDC_NVME_VID_2:
		switch (read_device_id) {
		case WDC_NVME_SN630_DEV_ID:
		case WDC_NVME_SN630_DEV_ID_1:
			capabilities = (WDC_DRIVE_CAP_CAP_DIAG | WDC_DRIVE_CAP_INTERNAL_LOG |
					WDC_DRIVE_CAP_DRIVE_STATUS | WDC_DRIVE_CAP_CLEAR_ASSERT |
					WDC_DRIVE_CAP_RESIZE | WDC_DRIVE_CAP_CLEAR_PCIE);
			/* verify the 0xCA log page is supported */
			if (wdc_nvme_check_supported_log_page(r, dev,
							      WDC_NVME_GET_DEVICE_INFO_LOG_OPCODE))
				capabilities |= WDC_DRIVE_CAP_CA_LOG_PAGE;

			/* verify the 0xD0 log page is supported */
			if (wdc_nvme_check_supported_log_page(r, dev,
							      WDC_NVME_GET_VU_SMART_LOG_OPCODE))
				capabilities |= WDC_DRIVE_CAP_D0_LOG_PAGE;
			break;

		case WDC_NVME_SN640_DEV_ID:
		case WDC_NVME_SN640_DEV_ID_1:
		case WDC_NVME_SN640_DEV_ID_2:
		case WDC_NVME_SN640_DEV_ID_3:
		case WDC_NVME_SN560_DEV_ID_1:
		case WDC_NVME_SN560_DEV_ID_2:
		case WDC_NVME_SN560_DEV_ID_3:
		case WDC_NVME_SN660_DEV_ID:
			/* verify the 0xC0 log page is supported */
			if (wdc_nvme_check_supported_log_page(r, dev,
							      WDC_NVME_GET_SMART_CLOUD_ATTR_LOG_ID)
			    == true) {
				capabilities |= WDC_DRIVE_CAP_C0_LOG_PAGE;
			}

			capabilities |= (WDC_DRIVE_CAP_CAP_DIAG | WDC_DRIVE_CAP_INTERNAL_LOG |
					WDC_DRIVE_CAP_DRIVE_STATUS | WDC_DRIVE_CAP_CLEAR_ASSERT |
					WDC_DRIVE_CAP_RESIZE | WDC_DRIVE_CAP_FW_ACTIVATE_HISTORY |
					WDC_DRVIE_CAP_DISABLE_CTLR_TELE_LOG | WDC_DRIVE_CAP_REASON_ID |
					WDC_DRIVE_CAP_LOG_PAGE_DIR);

			/* verify the 0xC1 (OCP Error Recovery) log page is supported */
			if (wdc_nvme_check_supported_log_page(r, dev,
							      WDC_ERROR_REC_LOG_ID))
				capabilities |= WDC_DRIVE_CAP_OCP_C1_LOG_PAGE;

			/* verify the 0xC3 (OCP Latency Monitor) log page is supported */
			if (wdc_nvme_check_supported_log_page(r, dev,
							      WDC_LATENCY_MON_LOG_ID))
				capabilities |= WDC_DRIVE_CAP_C3_LOG_PAGE;

			/* verify the 0xC4 (OCP Device Capabilities) log page is supported */
			if (wdc_nvme_check_supported_log_page(r, dev,
							      WDC_DEV_CAP_LOG_ID))
				capabilities |= WDC_DRIVE_CAP_OCP_C4_LOG_PAGE;

			/* verify the 0xC5 (OCP Unsupported Requirements) log page is supported */
			if (wdc_nvme_check_supported_log_page(r, dev,
							      WDC_UNSUPPORTED_REQS_LOG_ID))
				capabilities |= WDC_DRIVE_CAP_OCP_C5_LOG_PAGE;

			/* verify the 0xCA log page is supported */
			if (wdc_nvme_check_supported_log_page(r, dev,
							      WDC_NVME_GET_DEVICE_INFO_LOG_OPCODE))
				capabilities |= WDC_DRIVE_CAP_CA_LOG_PAGE;

			/* verify the 0xD0 log page is supported */
			if (wdc_nvme_check_supported_log_page(r, dev,
							      WDC_NVME_GET_VU_SMART_LOG_OPCODE))
				capabilities |= WDC_DRIVE_CAP_D0_LOG_PAGE;

			cust_id = wdc_get_fw_cust_id(r, dev);
			if (cust_id == WDC_INVALID_CUSTOMER_ID) {
				fprintf(stderr, "%s: ERROR: WDC: invalid customer id\n", __func__);
				return -1;
			}

			if ((cust_id == WDC_CUSTOMER_ID_0x1004) || (cust_id == WDC_CUSTOMER_ID_0x1008) ||
					(cust_id == WDC_CUSTOMER_ID_0x1005) || (cust_id == WDC_CUSTOMER_ID_0x1304))
				capabilities |= (WDC_DRIVE_CAP_VU_FID_CLEAR_FW_ACT_HISTORY | WDC_DRIVE_CAP_VU_FID_CLEAR_PCIE |
						WDC_DRIVE_CAP_INFO | WDC_DRIVE_CAP_CLOUD_SSD_VERSION);
			else
				capabilities |= (WDC_DRIVE_CAP_CLEAR_FW_ACT_HISTORY | WDC_DRIVE_CAP_CLEAR_PCIE);

			break;

		case WDC_NVME_SN840_DEV_ID:
		case WDC_NVME_SN840_DEV_ID_1:
		case WDC_NVME_SN860_DEV_ID:
			/* verify the 0xC0 log page is supported */
			if (wdc_nvme_check_supported_log_page(r, dev,
							      WDC_NVME_GET_EOL_STATUS_LOG_OPCODE))
				capabilities |= WDC_DRIVE_CAP_C0_LOG_PAGE;
			fallthrough;
		case WDC_NVME_ZN540_DEV_ID:
		case WDC_NVME_SN540_DEV_ID:
			capabilities |= (WDC_DRIVE_CAP_CAP_DIAG | WDC_DRIVE_CAP_INTERNAL_LOG |
					WDC_DRIVE_CAP_DRIVE_STATUS | WDC_DRIVE_CAP_CLEAR_ASSERT |
					WDC_DRIVE_CAP_RESIZE | WDC_DRIVE_CAP_CLEAR_PCIE |
					WDC_DRIVE_CAP_FW_ACTIVATE_HISTORY | WDC_DRIVE_CAP_CLEAR_FW_ACT_HISTORY |
					WDC_DRVIE_CAP_DISABLE_CTLR_TELE_LOG | WDC_DRIVE_CAP_REASON_ID |
					WDC_DRIVE_CAP_LOG_PAGE_DIR);

			/* verify the 0xCA log page is supported */
			if (wdc_nvme_check_supported_log_page(r, dev,
							      WDC_NVME_GET_DEVICE_INFO_LOG_OPCODE))
				capabilities |= WDC_DRIVE_CAP_CA_LOG_PAGE;

			/* verify the 0xD0 log page is supported */
			if (wdc_nvme_check_supported_log_page(r, dev,
							      WDC_NVME_GET_VU_SMART_LOG_OPCODE))
				capabilities |= WDC_DRIVE_CAP_D0_LOG_PAGE;
			break;

		case WDC_NVME_SN650_DEV_ID:
		case WDC_NVME_SN650_DEV_ID_1:
		case WDC_NVME_SN650_DEV_ID_2:
		case WDC_NVME_SN650_DEV_ID_3:
		case WDC_NVME_SN650_DEV_ID_4:
		case WDC_NVME_SN655_DEV_ID:
		case WDC_NVME_SN655_DEV_ID_1:
		case WDC_NVME_SN550_DEV_ID:
			/* verify the 0xC0 log page is supported */
			if (wdc_nvme_check_supported_log_page(r, dev,
							      WDC_NVME_GET_SMART_CLOUD_ATTR_LOG_ID))
				capabilities |= WDC_DRIVE_CAP_C0_LOG_PAGE;

			/* verify the 0xC1 (OCP Error Recovery) log page is supported */
			if (wdc_nvme_check_supported_log_page(r, dev, WDC_ERROR_REC_LOG_ID))
				capabilities |= WDC_DRIVE_CAP_OCP_C1_LOG_PAGE;

			/* verify the 0xC3 (OCP Latency Monitor) log page is supported */
			if (wdc_nvme_check_supported_log_page(r, dev, WDC_LATENCY_MON_LOG_ID))
				capabilities |= WDC_DRIVE_CAP_C3_LOG_PAGE;

			/* verify the 0xC4 (OCP Device Capabilities) log page is supported */
			if (wdc_nvme_check_supported_log_page(r, dev, WDC_DEV_CAP_LOG_ID))
				capabilities |= WDC_DRIVE_CAP_OCP_C4_LOG_PAGE;

			/* verify the 0xC5 (OCP Unsupported Requirements) log page is supported */
			if (wdc_nvme_check_supported_log_page(r, dev, WDC_UNSUPPORTED_REQS_LOG_ID))
				capabilities |= WDC_DRIVE_CAP_OCP_C5_LOG_PAGE;

			capabilities |= (WDC_DRIVE_CAP_CAP_DIAG | WDC_DRIVE_CAP_INTERNAL_LOG |
					 WDC_DRIVE_CAP_DRIVE_STATUS | WDC_DRIVE_CAP_CLEAR_ASSERT |
					 WDC_DRIVE_CAP_RESIZE | WDC_DRIVE_CAP_FW_ACTIVATE_HISTORY |
					 WDC_DRVIE_CAP_DISABLE_CTLR_TELE_LOG |
					 WDC_DRIVE_CAP_REASON_ID | WDC_DRIVE_CAP_LOG_PAGE_DIR);

			cust_id = wdc_get_fw_cust_id(r, dev);
			if (cust_id == WDC_INVALID_CUSTOMER_ID) {
				fprintf(stderr, "%s: ERROR: WDC: invalid customer id\n", __func__);
				return -1;
			}

			if ((cust_id == WDC_CUSTOMER_ID_0x1004) ||
			    (cust_id == WDC_CUSTOMER_ID_0x1008) ||
			    (cust_id == WDC_CUSTOMER_ID_0x1005) ||
			    (cust_id == WDC_CUSTOMER_ID_0x1304))
				capabilities |= (WDC_DRIVE_CAP_VU_FID_CLEAR_FW_ACT_HISTORY |
						 WDC_DRIVE_CAP_VU_FID_CLEAR_PCIE |
						 WDC_DRIVE_CAP_INFO |
						 WDC_DRIVE_CAP_CLOUD_SSD_VERSION);
			else
				capabilities |= (WDC_DRIVE_CAP_CLEAR_FW_ACT_HISTORY |
						 WDC_DRIVE_CAP_CLEAR_PCIE);

			break;

		case WDC_NVME_SN861_DEV_ID:
		case WDC_NVME_SN861_DEV_ID_1:
		case WDC_NVME_SN861_DEV_ID_2:
			capabilities |= (WDC_DRIVE_CAP_C0_LOG_PAGE |
				WDC_DRIVE_CAP_C3_LOG_PAGE |
				WDC_DRIVE_CAP_CA_LOG_PAGE |
				WDC_DRIVE_CAP_OCP_C4_LOG_PAGE |
				WDC_DRIVE_CAP_OCP_C5_LOG_PAGE |
				WDC_DRIVE_CAP_INTERNAL_LOG |
				WDC_DRIVE_CAP_FW_ACTIVATE_HISTORY_C2 |
				WDC_DRIVE_CAP_VU_FID_CLEAR_PCIE |
				WDC_DRIVE_CAP_VU_FID_CLEAR_FW_ACT_HISTORY |
				WDC_DRIVE_CAP_INFO |
				WDC_DRIVE_CAP_CLOUD_SSD_VERSION |
				WDC_DRIVE_CAP_LOG_PAGE_DIR |
				WDC_DRIVE_CAP_DRIVE_STATUS |
				WDC_DRIVE_CAP_SET_LATENCY_MONITOR);
			break;

		case WDC_NVME_SNTMP_DEV_ID:
			capabilities |= (WDC_DRIVE_CAP_C0_LOG_PAGE |
				WDC_DRIVE_CAP_C3_LOG_PAGE |
				WDC_DRIVE_CAP_CA_LOG_PAGE |
				WDC_DRIVE_CAP_OCP_C4_LOG_PAGE |
				WDC_DRIVE_CAP_OCP_C5_LOG_PAGE |
				WDC_DRIVE_CAP_DUI |
				WDC_DRIVE_CAP_FW_ACTIVATE_HISTORY_C2 |
				WDC_DRIVE_CAP_VU_FID_CLEAR_PCIE |
				WDC_DRIVE_CAP_VU_FID_CLEAR_FW_ACT_HISTORY |
				WDC_DRIVE_CAP_INFO |
				WDC_DRIVE_CAP_CLOUD_SSD_VERSION |
				WDC_DRIVE_CAP_LOG_PAGE_DIR |
				WDC_DRIVE_CAP_DRIVE_STATUS |
				WDC_DRIVE_CAP_SET_LATENCY_MONITOR);
			break;

		default:
			capabilities = 0;
		}
		break;

	case WDC_NVME_SNDK_VID:
		switch (read_device_id) {
		case WDC_NVME_SXSLCL_DEV_ID:
			capabilities = WDC_DRIVE_CAP_DRIVE_ESSENTIALS;
			break;

		case WDC_NVME_SN520_DEV_ID:
		case WDC_NVME_SN520_DEV_ID_1:
		case WDC_NVME_SN520_DEV_ID_2:
		case WDC_NVME_SN810_DEV_ID:
			capabilities = WDC_DRIVE_CAP_DUI_DATA;
			break;

		case WDC_NVME_SN820CL_DEV_ID:
			capabilities = WDC_DRIVE_CAP_DUI_DATA |
				       WDC_DRIVE_CAP_CLOUD_BOOT_SSD_VERSION |
				       WDC_DRIVE_CAP_CLOUD_LOG_PAGE | WDC_DRIVE_CAP_C0_LOG_PAGE |
				       WDC_DRIVE_CAP_HW_REV_LOG_PAGE | WDC_DRIVE_CAP_INFO |
				       WDC_DRIVE_CAP_VU_FID_CLEAR_PCIE | WDC_DRIVE_CAP_NAND_STATS |
				       WDC_DRIVE_CAP_DEVICE_WAF | WDC_DRIVE_CAP_TEMP_STATS;
			break;

		case WDC_NVME_SN720_DEV_ID:
			capabilities = WDC_DRIVE_CAP_DUI_DATA | WDC_DRIVE_CAP_NAND_STATS |
				       WDC_DRIVE_CAP_NS_RESIZE;
			break;

		case WDC_NVME_SN730_DEV_ID:
			capabilities = WDC_DRIVE_CAP_DUI | WDC_DRIVE_CAP_NAND_STATS |
				       WDC_DRIVE_CAP_INFO | WDC_DRIVE_CAP_TEMP_STATS |
				       WDC_DRIVE_CAP_VUC_CLEAR_PCIE | WDC_DRIVE_CAP_PCIE_STATS;
			break;

		case WDC_NVME_SN530_DEV_ID_1:
			fallthrough;
		case WDC_NVME_SN530_DEV_ID_2:
			fallthrough;
		case WDC_NVME_SN530_DEV_ID_3:
			fallthrough;
		case WDC_NVME_SN530_DEV_ID_4:
			fallthrough;
		case WDC_NVME_SN530_DEV_ID_5:
			fallthrough;
		case WDC_NVME_SN350_DEV_ID:
			fallthrough;
		case WDC_NVME_SN570_DEV_ID:
			fallthrough;
		case WDC_NVME_SN850X_DEV_ID:
			fallthrough;
		case WDC_NVME_SN5000_DEV_ID_1:
			fallthrough;
		case WDC_NVME_SN5000_DEV_ID_2:
			fallthrough;
		case WDC_NVME_SN5000_DEV_ID_3:
			fallthrough;
		case WDC_NVME_SN5000_DEV_ID_4:
			fallthrough;
		case WDC_NVME_SN7000S_DEV_ID_1:
			fallthrough;
		case WDC_NVME_SN7150_DEV_ID_1:
			fallthrough;
		case WDC_NVME_SN7150_DEV_ID_2:
			fallthrough;
		case WDC_NVME_SN7150_DEV_ID_3:
			fallthrough;
		case WDC_NVME_SN7150_DEV_ID_4:
			fallthrough;
		case WDC_NVME_SN7150_DEV_ID_5:
			fallthrough;
		case WDC_NVME_SN7100_DEV_ID_1:
			fallthrough;
		case WDC_NVME_SN7100_DEV_ID_2:
			fallthrough;
		case WDC_NVME_SN7100_DEV_ID_3:
			fallthrough;
		case WDC_NVME_SN8000S_DEV_ID:
			fallthrough;
		case WDC_NVME_SN5100S_DEV_ID_1:
			fallthrough;
		case WDC_NVME_SN5100S_DEV_ID_2:
			fallthrough;
		case WDC_NVME_SN5100S_DEV_ID_3:
			fallthrough;
		case WDC_NVME_SN740_DEV_ID:
		case WDC_NVME_SN740_DEV_ID_1:
		case WDC_NVME_SN740_DEV_ID_2:
		case WDC_NVME_SN740_DEV_ID_3:
		case WDC_NVME_SN340_DEV_ID:
			capabilities = WDC_DRIVE_CAP_DUI;
			break;

		case WDC_NVME_ZN350_DEV_ID:
		case WDC_NVME_ZN350_DEV_ID_1:
			capabilities = WDC_DRIVE_CAP_DUI_DATA | WDC_DRIVE_CAP_VU_FID_CLEAR_PCIE |
				       WDC_DRIVE_CAP_C0_LOG_PAGE |
				       WDC_DRIVE_CAP_VU_FID_CLEAR_FW_ACT_HISTORY |
				       WDC_DRIVE_CAP_FW_ACTIVATE_HISTORY_C2 | WDC_DRIVE_CAP_INFO |
				       WDC_DRIVE_CAP_CLOUD_SSD_VERSION | WDC_DRIVE_CAP_LOG_PAGE_DIR;
			break;

		default:
			capabilities = 0;
		}
		break;
	default:
		capabilities = 0;
	}

	return capabilities;
}

static __u64 wdc_get_enc_drive_capabilities(nvme_root_t r,
					    struct nvme_dev *dev)
{
	int ret;
	uint32_t read_vendor_id;
	__u64 capabilities = 0;
	__u32 cust_id;

	ret = wdc_get_vendor_id(dev, &read_vendor_id);
	if (ret < 0)
		return capabilities;

	switch (read_vendor_id) {
	case WDC_NVME_VID:
		capabilities = (WDC_DRIVE_CAP_CAP_DIAG | WDC_DRIVE_CAP_INTERNAL_LOG | WDC_DRIVE_CAP_CLEAR_PCIE |
			WDC_DRIVE_CAP_DRIVE_LOG | WDC_DRIVE_CAP_CRASH_DUMP | WDC_DRIVE_CAP_PFAIL_DUMP);

		/* verify the 0xCA log page is supported */
		if (wdc_nvme_check_supported_log_page(r, dev, WDC_NVME_GET_DEVICE_INFO_LOG_OPCODE) == true)
			capabilities |= WDC_DRIVE_CAP_CA_LOG_PAGE;

		/* verify the 0xC1 log page is supported */
		if (wdc_nvme_check_supported_log_page(r, dev, WDC_NVME_ADD_LOG_OPCODE) == true)
			capabilities |= WDC_DRIVE_CAP_C1_LOG_PAGE;
		break;
	case WDC_NVME_VID_2:
		capabilities = (WDC_DRIVE_CAP_CAP_DIAG | WDC_DRIVE_CAP_INTERNAL_LOG |
			WDC_DRIVE_CAP_DRIVE_STATUS | WDC_DRIVE_CAP_CLEAR_ASSERT |
			WDC_DRIVE_CAP_RESIZE);

		/* verify the 0xC3 log page is supported */
		if (wdc_nvme_check_supported_log_page(r, dev, WDC_LATENCY_MON_LOG_ID) == true)
			capabilities |= WDC_DRIVE_CAP_C3_LOG_PAGE;

		/* verify the 0xCB log page is supported */
		if (wdc_nvme_check_supported_log_page(r, dev, WDC_NVME_GET_FW_ACT_HISTORY_LOG_ID) == true)
			capabilities |= WDC_DRIVE_CAP_FW_ACTIVATE_HISTORY;

		/* verify the 0xCA log page is supported */
		if (wdc_nvme_check_supported_log_page(r, dev, WDC_NVME_GET_DEVICE_INFO_LOG_OPCODE) == true)
			capabilities |= WDC_DRIVE_CAP_CA_LOG_PAGE;

		/* verify the 0xD0 log page is supported */
		if (wdc_nvme_check_supported_log_page(r, dev, WDC_NVME_GET_VU_SMART_LOG_OPCODE) == true)
			capabilities |= WDC_DRIVE_CAP_D0_LOG_PAGE;

		cust_id = wdc_get_fw_cust_id(r, dev);
		if (cust_id == WDC_INVALID_CUSTOMER_ID) {
			fprintf(stderr, "%s: ERROR: WDC: invalid customer id\n", __func__);
			return -1;
		}

		if ((cust_id == WDC_CUSTOMER_ID_0x1004) || (cust_id == WDC_CUSTOMER_ID_0x1008) ||
				(cust_id == WDC_CUSTOMER_ID_0x1005) || (cust_id == WDC_CUSTOMER_ID_0x1304))
			capabilities |= (WDC_DRIVE_CAP_VU_FID_CLEAR_FW_ACT_HISTORY | WDC_DRIVE_CAP_VU_FID_CLEAR_PCIE);
		else
			capabilities |= (WDC_DRIVE_CAP_CLEAR_FW_ACT_HISTORY | WDC_DRIVE_CAP_CLEAR_PCIE);

		break;
	case WDC_NVME_SNDK_VID:
		capabilities = WDC_DRIVE_CAP_DRIVE_ESSENTIALS;
		break;
	default:
		capabilities = 0;
	}

	return capabilities;
}

static int wdc_get_serial_name(struct nvme_dev *dev, char *file, size_t len,
			       const char *suffix)
{
	int i;
	int ret;
	int res_len = 0;
	char orig[PATH_MAX] = {0};
	struct nvme_id_ctrl ctrl;
	int ctrl_sn_len = sizeof(ctrl.sn);

	i = sizeof(ctrl.sn) - 1;
	strncpy(orig, file, PATH_MAX - 1);
	memset(file, 0, len);
	memset(&ctrl, 0, sizeof(struct nvme_id_ctrl));
	ret = nvme_identify_ctrl(dev_fd(dev), &ctrl);
	if (ret) {
		fprintf(stderr, "ERROR: WDC: nvme_identify_ctrl() failed 0x%x\n", ret);
		return -1;
	}
	/* Remove trailing spaces from the name */
	while (i && ctrl.sn[i] == ' ') {
		ctrl.sn[i] = '\0';
		i--;
	}
	if (ctrl.sn[sizeof(ctrl.sn) - 1] == '\0')
		ctrl_sn_len = strlen(ctrl.sn);

	res_len = snprintf(file, len, "%s%.*s%s", orig, ctrl_sn_len, ctrl.sn, suffix);
	if (len <= res_len) {
		fprintf(stderr,
			"ERROR: WDC: cannot format serial number due to data of unexpected length\n");
		return -1;
	}

	return 0;
}

static int wdc_create_log_file(char *file, __u8 *drive_log_data,
		__u32 drive_log_length)
{
	int fd;
	int ret;

	if (!drive_log_length) {
		fprintf(stderr, "ERROR: WDC: invalid log file length\n");
		return -1;
	}

	fd = open(file, O_WRONLY | O_CREAT | O_TRUNC, 0666);
	if (fd < 0) {
		fprintf(stderr, "ERROR: WDC: open: %s\n", strerror(errno));
		return -1;
	}

	while (drive_log_length > WRITE_SIZE) {
		ret = write(fd, drive_log_data, WRITE_SIZE);
		if (ret < 0) {
			fprintf(stderr, "ERROR: WDC: write: %s\n", strerror(errno));
			close(fd);
			return -1;
		}
		drive_log_data += WRITE_SIZE;
		drive_log_length -= WRITE_SIZE;
	}

	ret = write(fd, drive_log_data, drive_log_length);
	if (ret < 0) {
		fprintf(stderr, "ERROR: WDC: write: %s\n", strerror(errno));
		close(fd);
		return -1;
	}

	if (fsync(fd) < 0) {
		fprintf(stderr, "ERROR: WDC: fsync: %s\n", strerror(errno));
		close(fd);
		return -1;
	}
	close(fd);
	return 0;
}

bool wdc_validate_dev_mng_log(void *data)
{
	__u32 remaining_len = 0;
	__u32 log_length = 0;
	__u32 log_entry_size = 0;
	__u32 log_entry_id = 0;
	__u32 offset = 0;
	bool valid_log = false;
	struct wdc_c2_log_subpage_header *p_next_log_entry = NULL;
	struct wdc_c2_log_page_header *hdr_ptr = (struct wdc_c2_log_page_header *)data;

	log_length = le32_to_cpu(hdr_ptr->length);
	/* Ensure log data is large enough for common header */
	if (log_length < sizeof(struct wdc_c2_log_page_header)) {
		fprintf(stderr,
		    "ERROR: %s: log smaller than header. log_len: 0x%x  HdrSize: %"PRIxPTR"\n",
		    __func__, log_length, sizeof(struct wdc_c2_log_page_header));
		return valid_log;
	}

	/* Get pointer to first log Entry */
	offset = sizeof(struct wdc_c2_log_page_header);
	p_next_log_entry = (struct wdc_c2_log_subpage_header *)(((__u8 *)data) + offset);
	remaining_len = log_length - offset;

	/* Proceed only if there is at least enough data to read an entry header */
	while (remaining_len >= sizeof(struct wdc_c2_log_subpage_header)) {
		/* Get size of the next entry */
		log_entry_size = le32_to_cpu(p_next_log_entry->length);
		log_entry_id = le32_to_cpu(p_next_log_entry->entry_id);
		/*
		 * If log entry size is 0 or the log entry goes past the end
		 * of the data, we must be at the end of the data
		 */
		if (!log_entry_size || log_entry_size > remaining_len) {
			fprintf(stderr, "ERROR: WDC: %s: Detected unaligned end of the data. ",
				__func__);
			fprintf(stderr, "Data Offset: 0x%x Entry Size: 0x%x, ",
				offset, log_entry_size);
			fprintf(stderr, "Remaining Log Length: 0x%x Entry Id: 0x%x\n",
				remaining_len, log_entry_id);

			/* Force the loop to end */
			remaining_len = 0;
		} else if (!log_entry_id || log_entry_id > 200) {
			/* Invalid entry - fail the search */
			fprintf(stderr, "ERROR: WDC: %s: Invalid entry found at offset: 0x%x ",
				__func__, offset);
			fprintf(stderr, "Entry Size: 0x%x, Remaining Log Length: 0x%x ",
				log_entry_size, remaining_len);
			fprintf(stderr, "Entry Id: 0x%x\n", log_entry_id);

			/* Force the loop to end */
			remaining_len = 0;
			valid_log = false;
		} else {
			/* A valid log has at least one entry and no invalid entries */
			valid_log = true;
			remaining_len -= log_entry_size;
			if (remaining_len > 0) {
				/* Increment the offset counter */
				offset += log_entry_size;
				/* Get the next entry */
				p_next_log_entry =
				(struct wdc_c2_log_subpage_header *)(((__u8 *)data) + offset);
			}
		}
	}

	return valid_log;
}

bool wdc_parse_dev_mng_log_entry(void *data, __u32 entry_id,
				 struct wdc_c2_log_subpage_header **log_entry)
{
	__u32 remaining_len = 0;
	__u32 log_length = 0;
	__u32 log_entry_size = 0;
	__u32 log_entry_id = 0;
	__u32 offset = 0;
	bool found = false;
	struct wdc_c2_log_subpage_header *p_next_log_entry = NULL;
	struct wdc_c2_log_page_header *hdr_ptr = (struct wdc_c2_log_page_header *)data;

	log_length = le32_to_cpu(hdr_ptr->length);
	/* Ensure log data is large enough for common header */
	if (log_length < sizeof(struct wdc_c2_log_page_header)) {
		fprintf(stderr,
		    "ERROR: %s: log smaller than header. log_len: 0x%x  HdrSize: %"PRIxPTR"\n",
		    __func__, log_length, sizeof(struct wdc_c2_log_page_header));
		return found;
	}

	/* Get pointer to first log Entry */
	offset = sizeof(struct wdc_c2_log_page_header);
	p_next_log_entry = (struct wdc_c2_log_subpage_header *)(((__u8 *)data) + offset);
	remaining_len = log_length - offset;

	if (!log_entry) {
		fprintf(stderr, "ERROR: WDC - %s: No log entry pointer.\n", __func__);
		return found;
	}
	*log_entry = NULL;

	/* Proceed only if there is at least enough data to read an entry header */
	while (remaining_len >= sizeof(struct wdc_c2_log_subpage_header)) {
		/* Get size of the next entry */
		log_entry_size = le32_to_cpu(p_next_log_entry->length);
		log_entry_id = le32_to_cpu(p_next_log_entry->entry_id);

		/*
		 * If log entry size is 0 or the log entry goes past the end
		 * of the data, we must be at the end of the data
		 */
		if (!log_entry_size || log_entry_size > remaining_len) {
			fprintf(stderr, "ERROR: WDC: %s: Detected unaligned end of the data. ",
				__func__);
			fprintf(stderr, "Data Offset: 0x%x Entry Size: 0x%x, ",
				offset, log_entry_size);
			fprintf(stderr, "Remaining Log Length: 0x%x Entry Id: 0x%x\n",
				remaining_len, log_entry_id);

			/* Force the loop to end */
			remaining_len = 0;
		} else if (!log_entry_id || log_entry_id > 200) {
			/* Invalid entry - fail the search */
			fprintf(stderr, "ERROR: WDC: %s: Invalid entry found at offset: 0x%x ",
				__func__, offset);
			fprintf(stderr, "Entry Size: 0x%x, Remaining Log Length: 0x%x ",
				log_entry_size, remaining_len);
			fprintf(stderr, "Entry Id: 0x%x\n", log_entry_id);

			/* Force the loop to end */
			remaining_len = 0;
		} else {
			if (log_entry_id == entry_id) {
				found = true;
				*log_entry = p_next_log_entry;
				remaining_len = 0;
			} else {
				remaining_len -= log_entry_size;
			}

			if (remaining_len > 0) {
				/* Increment the offset counter */
				offset += log_entry_size;

				/* Get the next entry */
				p_next_log_entry =
				(struct wdc_c2_log_subpage_header *)(((__u8 *)data) + offset);
			}
		}
	}

	return found;
}

bool wdc_get_dev_mng_log_entry(__u32 log_length, __u32 entry_id,
			       struct wdc_c2_log_page_header *p_log_hdr,
			       struct wdc_c2_log_subpage_header **p_p_found_log_entry)
{
	__u32 remaining_len = 0;
	__u32 log_entry_hdr_size = sizeof(struct wdc_c2_log_subpage_header) - 1;
	__u32 log_entry_size = 0;
	__u32 log_entry_id = 0;
	__u32 size = 0;
	bool valid_log;
	__u32 offset = 0;
	struct wdc_c2_log_subpage_header *p_next_log_entry = NULL;

	if (!*p_p_found_log_entry) {
		fprintf(stderr, "ERROR: WDC - %s: No ppLogEntry pointer.\n", __func__);
		return false;
	}

	*p_p_found_log_entry = NULL;

	/* Ensure log data is large enough for common header */
	if (log_length < sizeof(struct wdc_c2_log_page_header)) {
		fprintf(stderr,
		    "ERROR: WDC - %s: Buffer is not large enough for the common header. BufSize: 0x%x  HdrSize: %"PRIxPTR"\n",
		    __func__, log_length, sizeof(struct wdc_c2_log_page_header));
		return false;
	}

	/* Get pointer to first log Entry */
	size = sizeof(struct wdc_c2_log_page_header);
	offset = size;
	p_next_log_entry = (struct wdc_c2_log_subpage_header *)(((__u8 *)p_log_hdr) + offset);
	remaining_len = log_length - size;
	valid_log = false;

	/*
	 * Walk the entire structure. Perform a sanity check to make sure this is a
	 * standard version of the structure. This means making sure each entry looks
	 * valid. But allow for the data to overflow the allocated
	 * buffer (we don't want a false negative because of a FW formatting error)
	 */

	/* Proceed only if there is at least enough data to read an entry header */
	while (remaining_len >= log_entry_hdr_size) {
		/* Get size of the next entry */
		log_entry_size = le32_to_cpu(p_next_log_entry->length);
		log_entry_id = le32_to_cpu(p_next_log_entry->entry_id);

		/*
		 * If log entry size is 0 or the log entry goes past the end
		 * of the data, we must be at the end of the data
		 */
		if (!log_entry_size || log_entry_size > remaining_len) {
			fprintf(stderr, "ERROR: WDC: %s: Detected unaligned end of the data. ",
				__func__);
			fprintf(stderr, "Data Offset: 0x%x Entry Size: 0x%x, ",
				offset, log_entry_size);
			fprintf(stderr, "Remaining Log Length: 0x%x Entry Id: 0x%x\n",
				remaining_len, log_entry_id);

			/* Force the loop to end */
			remaining_len = 0;
		} else if (!log_entry_id || log_entry_id > 200) {
			/* Invalid entry - fail the search */
			fprintf(stderr, "ERROR: WDC: %s: Invalid entry found at offset: 0x%x ",
				__func__, offset);
			fprintf(stderr, "Entry Size: 0x%x, Remaining Log Length: 0x%x ",
				log_entry_size, remaining_len);
			fprintf(stderr, "Entry Id: 0x%x\n", log_entry_id);

			/* Force the loop to end */
			remaining_len = 0;
			valid_log = false;

			/* The structure is invalid, so any match that was found is invalid. */
			*p_p_found_log_entry = NULL;
		} else {
			/* Structure must have at least one valid entry to be considered valid */
			valid_log = true;
			if (log_entry_id == entry_id)
				/* A potential match. */
				*p_p_found_log_entry = p_next_log_entry;

			remaining_len -= log_entry_size;

			if (remaining_len > 0) {
				/* Increment the offset counter */
				offset += log_entry_size;

				/* Get the next entry */
				p_next_log_entry =
				(struct wdc_c2_log_subpage_header *)(((__u8 *)p_log_hdr) + offset);
			}
		}
	}

	return valid_log;
}

static bool get_dev_mgmt_log_page_data(struct nvme_dev *dev, void **log_data,
				       __u8 uuid_ix)
{
	void *data;
	struct wdc_c2_log_page_header *hdr_ptr;
	__u32 length = 0;
	int ret = 0;
	bool valid = false;

	data = (__u8 *)malloc(sizeof(__u8) * WDC_C2_LOG_BUF_LEN);
	if (!data) {
		fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
		return false;
	}

	memset(data, 0, sizeof(__u8) * WDC_C2_LOG_BUF_LEN);

	/* get the log page length */
	struct nvme_get_log_args args_len = {
		.args_size	= sizeof(args_len),
		.fd		= dev_fd(dev),
		.lid		= WDC_NVME_GET_DEV_MGMNT_LOG_PAGE_ID,
		.nsid		= 0xFFFFFFFF,
		.lpo		= 0,
		.lsp		= NVME_LOG_LSP_NONE,
		.lsi		= 0,
		.rae		= false,
		.uuidx		= uuid_ix,
		.csi		= NVME_CSI_NVM,
		.ot		= false,
		.len		= WDC_C2_LOG_BUF_LEN,
		.log		= data,
		.timeout	= NVME_DEFAULT_IOCTL_TIMEOUT,
		.result		= NULL,
	};
	ret = nvme_get_log(&args_len);
	if (ret) {
		fprintf(stderr,
			"ERROR: WDC: Unable to get 0x%x Log Page with uuid %d, ret = 0x%x\n",
			WDC_NVME_GET_DEV_MGMNT_LOG_PAGE_ID, uuid_ix, ret);
		goto end;
	}

	hdr_ptr = (struct wdc_c2_log_page_header *)data;
	length = le32_to_cpu(hdr_ptr->length);

	if (length > WDC_C2_LOG_BUF_LEN) {
		/* Log page buffer too small for actual data */
		free(data);
		data = calloc(length, sizeof(__u8));
		if (!data) {
			fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
			goto end;
		}

		/* get the log page data with the increased length */
		struct nvme_get_log_args args_data = {
			.args_size	= sizeof(args_data),
			.fd		= dev_fd(dev),
			.lid		= WDC_NVME_GET_DEV_MGMNT_LOG_PAGE_ID,
			.nsid		= 0xFFFFFFFF,
			.lpo		= 0,
			.lsp		= NVME_LOG_LSP_NONE,
			.lsi		= 0,
			.rae		= false,
			.uuidx		= uuid_ix,
			.csi		= NVME_CSI_NVM,
			.ot		= false,
			.len		= length,
			.log		= data,
			.timeout	= NVME_DEFAULT_IOCTL_TIMEOUT,
			.result		= NULL,
		};
		ret = nvme_get_log(&args_data);

		if (ret) {
			fprintf(stderr,
				"ERROR: WDC: Unable to read 0x%x Log with uuid %d, ret = 0x%x\n",
				WDC_NVME_GET_DEV_MGMNT_LOG_PAGE_ID, uuid_ix, ret);
			goto end;
		}
	}

	valid = wdc_validate_dev_mng_log(data);
	if (valid) {
		/* Ensure size of log data matches length in log header */
		*log_data = calloc(length, sizeof(__u8));
		if (!*log_data) {
			fprintf(stderr, "ERROR: WDC: calloc: %s\n", strerror(errno));
			valid = false;
			goto end;
		}
		memcpy((void *)*log_data, data, length);
	} else {
		fprintf(stderr, "ERROR: WDC: C2 log page not found with uuid index %d\n",
			uuid_ix);
	}

end:
	free(data);
	return valid;
}

static bool get_dev_mgmt_log_page_lid_data(struct nvme_dev *dev,
	void **cbs_data,
	__u8 lid,
	__u8 log_id,
	__u8 uuid_ix)
{
	void *data;
	struct wdc_c2_log_page_header *hdr_ptr;
	struct wdc_c2_log_subpage_header *sph;
	__u32 length = 0;
	int ret = 0;
	bool found = false;

	data = (__u8 *)malloc(sizeof(__u8) * WDC_C2_LOG_BUF_LEN);
	if (!data) {
		fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
		return false;
	}

	memset(data, 0, sizeof(__u8) * WDC_C2_LOG_BUF_LEN);

	/* get the log page length */
	struct nvme_get_log_args args_len = {
		.args_size	= sizeof(args_len),
		.fd		= dev_fd(dev),
		.lid		= lid,
		.nsid		= 0xFFFFFFFF,
		.lpo		= 0,
		.lsp		= NVME_LOG_LSP_NONE,
		.lsi		= 0,
		.rae		= false,
		.uuidx		= uuid_ix,
		.csi		= NVME_CSI_NVM,
		.ot		= false,
		.len		= WDC_C2_LOG_BUF_LEN,
		.log		= data,
		.timeout	= NVME_DEFAULT_IOCTL_TIMEOUT,
		.result		= NULL,
	};
	ret = nvme_get_log(&args_len);
	if (ret) {
		fprintf(stderr,
			"ERROR: WDC: Unable to get 0x%x Log Page length with uuid %d, ret = 0x%x\n",
			lid, uuid_ix, ret);
		goto end;
	}

	hdr_ptr = (struct wdc_c2_log_page_header *)data;
	length = le32_to_cpu(hdr_ptr->length);

	if (length > WDC_C2_LOG_BUF_LEN) {
		/* Log Page buffer too small, free and reallocate the necessary size */
		free(data);
		data = calloc(length, sizeof(__u8));
		if (!data) {
			fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
			goto end;
		}

		/* get the log page data with the increased length */
		struct nvme_get_log_args args_data = {
			.args_size	= sizeof(args_data),
			.fd		= dev_fd(dev),
			.lid		= lid,
			.nsid		= 0xFFFFFFFF,
			.lpo		= 0,
			.lsp		= NVME_LOG_LSP_NONE,
			.lsi		= 0,
			.rae		= false,
			.uuidx		= uuid_ix,
			.csi		= NVME_CSI_NVM,
			.ot		= false,
			.len		= length,
			.log		= data,
			.timeout	= NVME_DEFAULT_IOCTL_TIMEOUT,
			.result		= NULL,
		};
		ret = nvme_get_log(&args_data);

		if (ret) {
			fprintf(stderr,
				"ERROR: WDC: Unable to read 0x%x Log Page data with uuid %d, ret = 0x%x\n",
				lid, uuid_ix, ret);
			goto end;
		}
	}

	/* Check the log data to see if the WD version of log page ID's is found */
	length = sizeof(struct wdc_c2_log_page_header);
	hdr_ptr = (struct wdc_c2_log_page_header *)data;
	sph = (struct wdc_c2_log_subpage_header *)(data + length);
	found = wdc_get_dev_mng_log_entry(le32_to_cpu(hdr_ptr->length), log_id, hdr_ptr, &sph);
	if (found) {
		*cbs_data = calloc(le32_to_cpu(sph->length), sizeof(__u8));
		if (!*cbs_data) {
			fprintf(stderr, "ERROR: WDC: calloc: %s\n", strerror(errno));
			found = false;
			goto end;
		}
		memcpy((void *)*cbs_data, (void *)&sph->data, le32_to_cpu(sph->length));
	} else {
		fprintf(stderr, "ERROR: WDC: C2 log id 0x%x not found with uuid index %d\n",
			log_id, uuid_ix);
	}

end:
	free(data);
	return found;
}

static bool get_dev_mgment_data(nvme_root_t r, struct nvme_dev *dev,
				void **data)
{
	bool found = false;
	*data = NULL;
	__u32 device_id = 0, vendor_id = 0;
	bool uuid_present = false;
	int index = 0, uuid_index = 0;
	struct nvme_id_uuid_list uuid_list;

	/* The wdc_get_pci_ids function could fail when drives are connected
	 * via a PCIe switch.  Therefore, the return code is intentionally
	 * being ignored.  The device_id and vendor_id variables have been
	 * initialized to 0 so the code can continue on without issue for
	 * both cases: wdc_get_pci_ids successful or failed.
	 */
	wdc_get_pci_ids(r, dev, &device_id, &vendor_id);

	typedef struct nvme_id_uuid_list_entry *uuid_list_entry;

	memset(&uuid_list, 0, sizeof(struct nvme_id_uuid_list));
	if (wdc_CheckUuidListSupport(dev, &uuid_list)) {
		uuid_list_entry uuid_list_entry_ptr = (uuid_list_entry)&uuid_list.entry[0];

		while (index <= NVME_ID_UUID_LIST_MAX &&
		       !wdc_UuidEqual(uuid_list_entry_ptr, (uuid_list_entry)UUID_END)) {

			if (wdc_UuidEqual(uuid_list_entry_ptr,
					  (uuid_list_entry)WDC_UUID)) {
				uuid_present = true;
				break;
			} else if (wdc_UuidEqual(uuid_list_entry_ptr,
						 (uuid_list_entry)WDC_UUID_SN640_3) &&
				   wdc_is_sn640_3(device_id)) {
				uuid_present = true;
				break;
			}
			index++;
			uuid_list_entry_ptr = (uuid_list_entry)&uuid_list.entry[index];
		}
		if (uuid_present)
			uuid_index = index + 1;
	}

	if (uuid_present) {
		/* use the uuid index found above */
		found = get_dev_mgmt_log_page_data(dev, data, uuid_index);
	} else {
		if (!uuid_index && needs_c2_log_page_check(device_id)) {
			/* In certain devices that don't support UUID lists, there are multiple
			 * definitions of the C2 logpage. In those cases, the code
			 * needs to try two UUID indexes and use an identification algorithm
			 * to determine which is returning the correct log page data.
			 */
			uuid_index = 1;
		}

		found = get_dev_mgmt_log_page_data(dev, data, uuid_index);

		if (!found) {
			/* not found with uuid = 1 try with uuid = 0 */
			uuid_index = 0;
			fprintf(stderr, "Not found, requesting log page with uuid_index %d\n",
					uuid_index);

			found = get_dev_mgmt_log_page_data(dev, data, uuid_index);
		}
	}

	return found;
}

static bool get_dev_mgment_cbs_data(nvme_root_t r, struct nvme_dev *dev,
				__u8 log_id, void **cbs_data)
{
	bool found = false;
	__u8 uuid_ix = 0;
	__u8 lid = 0;
	*cbs_data = NULL;
	__u32 device_id = 0, vendor_id = 0;
	bool uuid_present = false;
	int index = 0, uuid_index = 0;
	struct nvme_id_uuid_list uuid_list;

	/* The wdc_get_pci_ids function could fail when drives are connected
	 * via a PCIe switch.  Therefore, the return code is intentionally
	 * being ignored.  The device_id and vendor_id variables have been
	 * initialized to 0 so the code can continue on without issue for
	 * both cases: wdc_get_pci_ids successful or failed.
	 */
	wdc_get_pci_ids(r, dev, &device_id, &vendor_id);

	lid = WDC_NVME_GET_DEV_MGMNT_LOG_PAGE_ID;

	typedef struct nvme_id_uuid_list_entry *uuid_list_entry;

	memset(&uuid_list, 0, sizeof(struct nvme_id_uuid_list));
	if (wdc_CheckUuidListSupport(dev, &uuid_list)) {
		uuid_list_entry uuid_list_entry_ptr = (uuid_list_entry)&uuid_list.entry[0];

		while (index <= NVME_ID_UUID_LIST_MAX &&
		       !wdc_UuidEqual(uuid_list_entry_ptr, (uuid_list_entry)UUID_END)) {

			if (wdc_UuidEqual(uuid_list_entry_ptr,
					  (uuid_list_entry)WDC_UUID)) {
				uuid_present = true;
				break;
			} else if (wdc_UuidEqual(uuid_list_entry_ptr,
						 (uuid_list_entry)WDC_UUID_SN640_3) &&
				   wdc_is_sn640_3(device_id)) {
				uuid_present = true;
				break;
			}
			index++;
			uuid_list_entry_ptr = (uuid_list_entry)&uuid_list.entry[index];
		}
		if (uuid_present)
			uuid_index = index + 1;
	}

	if (uuid_present) {
		/* use the uuid index found above */
		found = get_dev_mgmt_log_page_lid_data(dev, cbs_data, lid, log_id, uuid_index);
	} else if (device_id == WDC_NVME_ZN350_DEV_ID || device_id == WDC_NVME_ZN350_DEV_ID_1) {
		uuid_index = 0;
		found = get_dev_mgmt_log_page_lid_data(dev, cbs_data, lid, log_id, uuid_index);
	} else {
		if (!uuid_index && needs_c2_log_page_check(device_id)) {
			/* In certain devices that don't support UUID lists, there are multiple
			 * definitions of the C2 logpage. In those cases, the code
			 * needs to try two UUID indexes and use an identification algorithm
			 * to determine which is returning the correct log page data.
			 */
			uuid_ix = 1;
		}

		found = get_dev_mgmt_log_page_lid_data(dev, cbs_data, lid, log_id, uuid_ix);

		if (!found) {
			/* not found with uuid = 1 try with uuid = 0 */
			uuid_ix = 0;
			fprintf(stderr, "Not found, requesting log page with uuid_index %d\n",
					uuid_index);

			found = get_dev_mgmt_log_page_lid_data(dev, cbs_data, lid, log_id, uuid_ix);
		}
	}

	return found;
}

static bool wdc_nvme_check_supported_log_page(nvme_root_t r, struct nvme_dev *dev, __u8 log_id)
{
	int i;
	bool found = false;
	struct wdc_c2_cbs_data *cbs_data = NULL;

	if (get_dev_mgment_cbs_data(r, dev, WDC_C2_LOG_PAGES_SUPPORTED_ID, (void *)&cbs_data)) {
		if (cbs_data) {
			for (i = 0; i < le32_to_cpu(cbs_data->length); i++) {
				if (log_id == cbs_data->data[i]) {
					found = true;
					break;
				}
			}

#ifdef WDC_NVME_CLI_DEBUG
			if (!found) {
				fprintf(stderr, "ERROR: WDC: Log Page 0x%x not supported\n", log_id);
				fprintf(stderr, "WDC: Supported Log Pages:\n");
				/* print the supported pages */
				d((__u8 *)cbs_data->data, le32_to_cpu(cbs_data->length), 16, 1);
			}
#endif
			free(cbs_data);
		} else {
			fprintf(stderr, "ERROR: WDC: cbs_data ptr = NULL\n");
		}
	} else {
		fprintf(stderr, "ERROR: WDC: 0xC2 Log Page entry ID 0x%x not found\n",
			WDC_C2_LOG_PAGES_SUPPORTED_ID);
	}

	return found;
}

static bool wdc_nvme_parse_dev_status_log_entry(void *log_data, __u32 *ret_data,
						__u32 entry_id)
{
	struct wdc_c2_log_subpage_header *entry_data = NULL;

	if (wdc_parse_dev_mng_log_entry(log_data, entry_id, &entry_data)) {
		if (entry_data) {
			*ret_data = le32_to_cpu(entry_data->data);
			return true;
		}
	}

	*ret_data = 0;
	return false;
}

static bool wdc_nvme_get_dev_status_log_data(nvme_root_t r, struct nvme_dev *dev, __le32 *ret_data,
					     __u8 log_id)
{
	__u32 *cbs_data = NULL;

	if (get_dev_mgment_cbs_data(r, dev, log_id, (void *)&cbs_data)) {
		if (cbs_data) {
			memcpy((void *)ret_data, (void *)cbs_data, 4);
			free(cbs_data);

			return true;
		}
	}

	*ret_data = 0;
	return false;
}

static int wdc_do_clear_dump(struct nvme_dev *dev, __u8 opcode, __u32 cdw12)
{
	int ret;
	struct nvme_passthru_cmd admin_cmd;

	memset(&admin_cmd, 0, sizeof(struct nvme_passthru_cmd));
	admin_cmd.opcode = opcode;
	admin_cmd.cdw12 = cdw12;
	ret = nvme_submit_admin_passthru(dev_fd(dev), &admin_cmd, NULL);
	if (ret)
		fprintf(stdout, "ERROR: WDC: Crash dump erase failed\n");
	nvme_show_status(ret);
	return ret;
}

static __u32 wdc_dump_length(int fd, __u32 opcode, __u32 cdw10, __u32 cdw12, __u32 *dump_length)
{
	int ret;
	__u8 buf[WDC_NVME_LOG_SIZE_DATA_LEN] = {0};
	struct wdc_log_size *l;
	struct nvme_passthru_cmd admin_cmd;

	l = (struct wdc_log_size *) buf;
	memset(&admin_cmd, 0, sizeof(struct nvme_passthru_cmd));
	admin_cmd.opcode = opcode;
	admin_cmd.addr = (__u64)(uintptr_t)buf;
	admin_cmd.data_len = WDC_NVME_LOG_SIZE_DATA_LEN;
	admin_cmd.cdw10 = cdw10;
	admin_cmd.cdw12 = cdw12;

	ret = nvme_submit_admin_passthru(fd, &admin_cmd, NULL);
	if (ret) {
		l->log_size = 0;
		ret = -1;
		fprintf(stderr, "ERROR: WDC: reading dump length failed\n");
		nvme_show_status(ret);
		return ret;
	}

	if (opcode == WDC_NVME_CAP_DIAG_OPCODE)
		*dump_length = buf[0x04] << 24 | buf[0x05] << 16 | buf[0x06] << 8 | buf[0x07];
	else
		*dump_length = le32_to_cpu(l->log_size);
	return ret;
}

static __u32 wdc_dump_length_e6(int fd, __u32 opcode, __u32 cdw10, __u32 cdw12, struct wdc_e6_log_hdr *dump_hdr)
{
	int ret;
	struct nvme_passthru_cmd admin_cmd;

	memset(&admin_cmd, 0, sizeof(struct nvme_passthru_cmd));
	admin_cmd.opcode = opcode;
	admin_cmd.addr = (__u64)(uintptr_t)dump_hdr;
	admin_cmd.data_len = WDC_NVME_LOG_SIZE_HDR_LEN;
	admin_cmd.cdw10 = cdw10;
	admin_cmd.cdw12 = cdw12;

	ret = nvme_submit_admin_passthru(fd, &admin_cmd, NULL);
	if (ret) {
		fprintf(stderr, "ERROR: WDC: reading dump length failed\n");
		nvme_show_status(ret);
	}

	return ret;
}

static __u32 wdc_dump_dui_data(int fd, __u32 dataLen, __u32 offset, __u8 *dump_data, bool last_xfer)
{
	int ret;
	struct nvme_passthru_cmd admin_cmd;

	memset(&admin_cmd, 0, sizeof(struct nvme_passthru_cmd));
	admin_cmd.opcode = WDC_NVME_CAP_DUI_OPCODE;
	admin_cmd.nsid = 0xFFFFFFFF;
	admin_cmd.addr = (__u64)(uintptr_t)dump_data;
	admin_cmd.data_len = dataLen;
	admin_cmd.cdw10 = ((dataLen >> 2) - 1);
	admin_cmd.cdw12 = offset;
	if (last_xfer)
		admin_cmd.cdw14 = 0;
	else
		admin_cmd.cdw14 = WDC_NVME_CAP_DUI_DISABLE_IO;


	ret = nvme_submit_admin_passthru(fd, &admin_cmd, NULL);
	if (ret) {
		fprintf(stderr, "ERROR: WDC: reading DUI data failed\n");
		nvme_show_status(ret);
	}

	return ret;
}

static __u32 wdc_dump_dui_data_v2(int fd, __u32 dataLen, __u64 offset, __u8 *dump_data, bool last_xfer)
{
	int ret;
	struct nvme_passthru_cmd admin_cmd;
	__u64 offset_lo, offset_hi;

	memset(&admin_cmd, 0, sizeof(struct nvme_passthru_cmd));
	admin_cmd.opcode = WDC_NVME_CAP_DUI_OPCODE;
	admin_cmd.nsid = 0xFFFFFFFF;
	admin_cmd.addr = (__u64)(uintptr_t)dump_data;
	admin_cmd.data_len = dataLen;
	admin_cmd.cdw10 = ((dataLen >> 2) - 1);
	offset_lo = offset & 0x00000000FFFFFFFF;
	offset_hi = ((offset & 0xFFFFFFFF00000000) >> 32);
	admin_cmd.cdw12 = (__u32)offset_lo;
	admin_cmd.cdw13 = (__u32)offset_hi;

	if (last_xfer)
		admin_cmd.cdw14 = 0;
	else
		admin_cmd.cdw14 = WDC_NVME_CAP_DUI_DISABLE_IO;

	ret = nvme_submit_admin_passthru(fd, &admin_cmd, NULL);
	if (ret) {
		fprintf(stderr, "ERROR: WDC: reading DUI data V2 failed\n");
		nvme_show_status(ret);
	}

	return ret;
}

static int wdc_do_dump(struct nvme_dev *dev, __u32 opcode, __u32 data_len,
		__u32 cdw12, char *file, __u32 xfer_size)
{
	int ret = 0;
	__u8 *dump_data;
	__u32 curr_data_offset, curr_data_len;
	int i;
	struct nvme_passthru_cmd admin_cmd;
	__u32 dump_length = data_len;

	dump_data = (__u8 *)malloc(sizeof(__u8) * dump_length);
	if (!dump_data) {
		fprintf(stderr, "%s: ERROR: malloc: %s\n", __func__, strerror(errno));
		return -1;
	}
	memset(dump_data, 0, sizeof(__u8) * dump_length);
	memset(&admin_cmd, 0, sizeof(struct nvme_passthru_cmd));
	curr_data_offset = 0;
	curr_data_len = xfer_size;
	i = 0;

	admin_cmd.opcode = opcode;
	admin_cmd.addr = (__u64)(uintptr_t)dump_data;
	admin_cmd.data_len = curr_data_len;
	admin_cmd.cdw10 = curr_data_len >> 2;
	admin_cmd.cdw12 = cdw12;
	admin_cmd.cdw13 = curr_data_offset;

	while (curr_data_offset < data_len) {
		ret = nvme_submit_admin_passthru(dev_fd(dev), &admin_cmd,
						 NULL);
		if (ret) {
			nvme_show_status(ret);
			fprintf(stderr, "%s: ERROR: WDC: Get chunk %d, size = 0x%x, offset = 0x%x, addr = 0x%lx\n",
				__func__, i, admin_cmd.data_len, curr_data_offset, (unsigned long)admin_cmd.addr);
			break;
		}

		if ((curr_data_offset + xfer_size) <= data_len)
			curr_data_len = xfer_size;
		else
			curr_data_len = data_len - curr_data_offset;   /* last transfer */

		curr_data_offset += curr_data_len;
		admin_cmd.addr = (__u64)(uintptr_t)dump_data + (__u64)curr_data_offset;
		admin_cmd.data_len = curr_data_len;
		admin_cmd.cdw10 = curr_data_len >> 2;
		admin_cmd.cdw13 = curr_data_offset >> 2;
		i++;
	}

	if (!ret) {
		nvme_show_status(ret);
		ret = wdc_create_log_file(file, dump_data, dump_length);
	}
	free(dump_data);
	return ret;
}

static int wdc_do_dump_e6(int fd, __u32 opcode, __u32 data_len,
		__u32 cdw12, char *file, __u32 xfer_size, __u8 *log_hdr)
{
	int ret = 0;
	__u8 *dump_data;
	__u32 curr_data_offset, log_size;
	int i;
	struct nvme_passthru_cmd admin_cmd;

	/* if data_len is not 4 byte aligned */
	if (data_len & 0x00000003) {
		/* Round down to the next 4 byte aligned value */
		fprintf(stderr, "%s: INFO: data_len 0x%x not 4 byte aligned.\n",
				__func__, data_len);
		fprintf(stderr, "%s: INFO: Round down to 0x%x.\n",
				__func__, (data_len &= 0xFFFFFFFC));
		data_len &= 0xFFFFFFFC;
	}

	dump_data = (__u8 *)malloc(sizeof(__u8) * data_len);

	if (!dump_data) {
		fprintf(stderr, "%s: ERROR: malloc: %s\n", __func__, strerror(errno));
		return -1;
	}
	memset(dump_data, 0, sizeof(__u8) * data_len);
	memset(&admin_cmd, 0, sizeof(struct nvme_passthru_cmd));
	curr_data_offset = WDC_NVME_LOG_SIZE_HDR_LEN;
	i = 0;

	/* copy the 8 byte header into the dump_data buffer */
	memcpy(dump_data, log_hdr, WDC_NVME_LOG_SIZE_HDR_LEN);

	admin_cmd.opcode = opcode;
	admin_cmd.cdw12 = cdw12;

	/* subtract off the header size since that was already copied into the buffer */
	log_size = (data_len - curr_data_offset);
	while (log_size > 0) {
		xfer_size = min(xfer_size, log_size);

		admin_cmd.addr = (__u64)(uintptr_t)dump_data + (__u64)curr_data_offset;
		admin_cmd.data_len = xfer_size;
		admin_cmd.cdw10 = xfer_size >> 2;
		admin_cmd.cdw13 = curr_data_offset >> 2;

		ret = nvme_submit_admin_passthru(fd, &admin_cmd, NULL);
		if (ret) {
			nvme_show_status(ret);
			fprintf(stderr, "%s: ERROR: WDC: Get chunk %d, size = 0x%x, offset = 0x%x, addr = 0x%lx\n",
					__func__, i, admin_cmd.data_len, curr_data_offset, (unsigned long)admin_cmd.addr);
			break;
		}

		log_size         -= xfer_size;
		curr_data_offset += xfer_size;
		i++;
	}

	if (!ret) {
		fprintf(stderr, "%s: INFO: ", __func__);
		nvme_show_status(ret);
	} else {
		fprintf(stderr, "%s: FAILURE: ", __func__);
		nvme_show_status(ret);
		fprintf(stderr, "%s: Partial data may have been captured\n", __func__);
		snprintf(file + strlen(file), PATH_MAX, "%s", "-PARTIAL");
	}

	ret = wdc_create_log_file(file, dump_data, data_len);

	free(dump_data);
	return ret;
}

static int wdc_do_cap_telemetry_log(struct nvme_dev *dev, char *file,
				__u32 bs, int type, int data_area)
{
	struct nvme_telemetry_log *log;
	size_t full_size = 0;
	int err = 0, output;
	__u32 host_gen = 1;
	int ctrl_init = 0;
	__u32 result;
	void *buf = NULL;
	__u8 *data_ptr = NULL;
	int data_written = 0, data_remaining = 0;
	struct nvme_id_ctrl ctrl;
	__u64 capabilities = 0;
	nvme_root_t r;

	memset(&ctrl, 0, sizeof(struct nvme_id_ctrl));
	err = nvme_identify_ctrl(dev_fd(dev), &ctrl);
	if (err) {
		fprintf(stderr, "ERROR: WDC: nvme_identify_ctrl() failed 0x%x\n", err);
		return err;
	}

	if (!(ctrl.lpa & 0x8)) {
		fprintf(stderr, "Telemetry Host-Initiated and Telemetry Controller-Initiated log pages not supported\n");
		return -EINVAL;
	}

	r = nvme_scan(NULL);
	capabilities = wdc_get_drive_capabilities(r, dev);

	if (type == WDC_TELEMETRY_TYPE_HOST) {
		host_gen = 1;
		ctrl_init = 0;
	} else if (type == WDC_TELEMETRY_TYPE_CONTROLLER) {
		if ((capabilities & WDC_DRIVE_CAP_INTERNAL_LOG) == WDC_DRIVE_CAP_INTERNAL_LOG) {
			/* Verify the Controller Initiated Option is enabled */
			err = nvme_get_features_data(dev_fd(dev),
						 WDC_VU_DISABLE_CNTLR_TELEMETRY_OPTION_FEATURE_ID,
						 0, 4, buf, &result);
			if (!err) {
				if (!result) {
					/* enabled */
					host_gen = 0;
					ctrl_init = 1;
				} else {
					fprintf(stderr, "%s: Controller initiated option telemetry log page disabled\n", __func__);
					return -EINVAL;
				}
			} else {
				fprintf(stderr, "ERROR: WDC: Get telemetry option feature failed.");
				nvme_show_status(err);
				return -EPERM;
			}
		} else {
			host_gen = 0;
			ctrl_init = 1;
		}
	} else {
		fprintf(stderr, "%s: Invalid type parameter; type = %d\n", __func__, type);
		return -EINVAL;
	}

	if (!file) {
		fprintf(stderr, "%s: Please provide an output file!\n", __func__);
		return -EINVAL;
	}

	output = open(file, O_WRONLY | O_CREAT | O_TRUNC, 0666);
	if (output < 0) {
		fprintf(stderr, "%s: Failed to open output file %s: %s!\n",
				__func__, file, strerror(errno));
		return output;
	}

	if (ctrl_init)
		err = nvme_get_ctrl_telemetry(dev_fd(dev), true, &log,
					  data_area, &full_size);
	else if (host_gen)
		err = nvme_get_new_host_telemetry(dev_fd(dev), &log,
						  data_area, &full_size);
	else
		err = nvme_get_host_telemetry(dev_fd(dev), &log, data_area,
					  &full_size);

	if (err < 0) {
		perror("get-telemetry-log");
		goto close_output;
	} else if (err > 0) {
		nvme_show_status(err);
		fprintf(stderr, "%s: Failed to acquire telemetry header!\n", __func__);
		goto close_output;
	}

	/*
	 *Continuously pull data until the offset hits the end of the last
	 *block.
	 */
	data_written = 0;
	data_remaining = full_size;
	data_ptr = (__u8 *)log;

	while (data_remaining) {
		data_written = write(output, data_ptr, data_remaining);

		if (data_written < 0) {
			data_remaining = data_written;
			break;
		} else if (data_written <= data_remaining) {
			data_remaining -= data_written;
			data_ptr += data_written;
		} else {
			/* Unexpected overwrite */
			fprintf(stderr, "Failure: Unexpected telemetry log overwrite - data_remaining = 0x%x, data_written = 0x%x\n",
					data_remaining, data_written);
			break;
		}
	}

	if (fsync(output) < 0) {
		fprintf(stderr, "ERROR: %s: fsync: %s\n", __func__, strerror(errno));
		err = -1;
	}

	free(log);
close_output:
	close(output);
	return err;
}

static int wdc_do_cap_diag(nvme_root_t r, struct nvme_dev *dev, char *file,
			   __u32 xfer_size, int type, int data_area)
{
	int ret = -1;
	__u32 e6_log_hdr_size = WDC_NVME_CAP_DIAG_HEADER_TOC_SIZE;
	struct wdc_e6_log_hdr *log_hdr;
	__u32 cap_diag_length;

	log_hdr = (struct wdc_e6_log_hdr *)malloc(e6_log_hdr_size);
	if (!log_hdr) {
		fprintf(stderr, "%s: ERROR: malloc: %s\n", __func__, strerror(errno));
		ret = -1;
		goto out;
	}
	memset(log_hdr, 0, e6_log_hdr_size);

	if (type == WDC_TELEMETRY_TYPE_NONE) {
		ret = wdc_dump_length_e6(dev_fd(dev),
							WDC_NVME_CAP_DIAG_OPCODE,
							WDC_NVME_CAP_DIAG_HEADER_TOC_SIZE>>2,
							0x00,
							log_hdr);
		if (ret == -1) {
			ret = -1;
			goto out;
		}

		cap_diag_length = (log_hdr->log_size[0] << 24 | log_hdr->log_size[1] << 16 |
				log_hdr->log_size[2] << 8 | log_hdr->log_size[3]);

		if (!cap_diag_length) {
			fprintf(stderr, "INFO: WDC: Capture Diagnostics log is empty\n");
		} else {
			ret = wdc_do_dump_e6(dev_fd(dev),
					 WDC_NVME_CAP_DIAG_OPCODE,
							cap_diag_length,
							(WDC_NVME_CAP_DIAG_SUBCMD << WDC_NVME_SUBCMD_SHIFT) | WDC_NVME_CAP_DIAG_CMD,
							file, xfer_size, (__u8 *)log_hdr);

			fprintf(stderr, "INFO: WDC: Capture Diagnostics log, length = 0x%x\n", cap_diag_length);
		}
	} else if ((type == WDC_TELEMETRY_TYPE_HOST) ||
			(type == WDC_TELEMETRY_TYPE_CONTROLLER)) {
		/* Get the desired telemetry log page */
		ret = wdc_do_cap_telemetry_log(dev, file, xfer_size, type, data_area);
	} else {
		fprintf(stderr, "%s: ERROR: Invalid type : %d\n", __func__, type);
	}

out:
	free(log_hdr);
	return ret;
}

static int wdc_do_cap_dui_v1(int fd, char *file, __u32 xfer_size, int data_area, int verbose,
			     struct wdc_dui_log_hdr *log_hdr, __s64 *total_size)
{
	__s32 log_size = 0;
	__u32 cap_dui_length = le32_to_cpu(log_hdr->log_size);
	__u32 curr_data_offset = 0;
	__u8 *buffer_addr;
	__u8 *dump_data = NULL;
	bool last_xfer = false;
	int err;
	int i;
	int j;
	int output;
	int ret = 0;

	if (verbose) {
		fprintf(stderr, "INFO: WDC: Capture V1 Device Unit Info log, data area = %d\n",
			data_area);
		fprintf(stderr, "INFO: WDC: DUI Header Version = 0x%x\n", log_hdr->hdr_version);
		fprintf(stderr, "INFO: WDC: DUI section count = 0x%x\n", log_hdr->section_count);
		fprintf(stderr, "INFO: WDC: DUI log size = 0x%x\n", log_hdr->log_size);
	}

	if (!cap_dui_length) {
		fprintf(stderr, "INFO: WDC: Capture V1 Device Unit Info log is empty\n");
		return 0;
	}

	/* parse log header for all sections up to specified data area inclusively */
	if (data_area != WDC_NVME_DUI_MAX_DATA_AREA) {
		for (j = 0; j < log_hdr->section_count; j++) {
			log_size += log_hdr->log_section[j].section_size;
			if (verbose)
				fprintf(stderr,
					"%s: section size 0x%x, total size = 0x%x\n",
					__func__,
					(unsigned int)log_hdr->log_section[j].section_size,
					(unsigned int)log_size);

		}
	} else {
		log_size = cap_dui_length;
	}

	*total_size = log_size;

	dump_data = (__u8 *)malloc(sizeof(__u8) * xfer_size);
	if (!dump_data) {
		fprintf(stderr, "%s: ERROR: dump data V1 malloc failed : status %s, size = 0x%x\n",
			__func__, strerror(errno), (unsigned int)xfer_size);
		return -1;
	}
	memset(dump_data, 0, sizeof(__u8) * xfer_size);

	output = open(file, O_WRONLY | O_CREAT | O_TRUNC, 0666);
	if (output < 0) {
		fprintf(stderr, "%s: Failed to open output file %s: %s!\n", __func__, file,
			strerror(errno));
		free(dump_data);
		return output;
	}

	/* write the telemetry and log headers into the dump_file */
	err = write(output, (void *)log_hdr, WDC_NVME_CAP_DUI_HEADER_SIZE);
	if (err != WDC_NVME_CAP_DUI_HEADER_SIZE) {
		fprintf(stderr, "%s: Failed to flush header data to file!\n", __func__);
		goto free_mem;
	}

	log_size -= WDC_NVME_CAP_DUI_HEADER_SIZE;
	curr_data_offset = WDC_NVME_CAP_DUI_HEADER_SIZE;
	i = 0;
	buffer_addr = dump_data;

	for (; log_size > 0; log_size -= xfer_size) {
		xfer_size = min(xfer_size, log_size);

		if (log_size <= xfer_size)
			last_xfer = true;

		ret = wdc_dump_dui_data(fd, xfer_size, curr_data_offset, buffer_addr, last_xfer);
		if (ret) {
			fprintf(stderr,
				"%s: ERROR: WDC: Get chunk %d, size = 0x%"PRIx64", offset = 0x%x, addr = %p\n",
				__func__, i, (uint64_t)log_size, curr_data_offset, buffer_addr);
			fprintf(stderr, "%s: ERROR: WDC: ", __func__);
			nvme_show_status(ret);
			break;
		}

		/* write the dump data into the file */
		err = write(output, (void *)buffer_addr, xfer_size);
		if (err != xfer_size) {
			fprintf(stderr,
				"%s: ERROR: WDC: Failed to flush DUI data to file! chunk %d, err = 0x%x, xfer_size = 0x%x\n",
				__func__, i, err, xfer_size);
			ret = -1;
			goto free_mem;
		}

		curr_data_offset += xfer_size;
		i++;
	}

free_mem:
	close(output);
	free(dump_data);
	return ret;
}

static int wdc_do_cap_dui_v2_v3(int fd, char *file, __u32 xfer_size, int data_area, int verbose,
				struct wdc_dui_log_hdr *log_hdr, __s64 *total_size, __u64 file_size,
				__u64 offset)
{
	__u64 cap_dui_length_v3;
	__u64 curr_data_offset = 0;
	__s64 log_size = 0;
	__u64 xfer_size_long = (__u64)xfer_size;
	__u8 *buffer_addr;
	__u8 *dump_data = NULL;
	bool last_xfer = false;
	int err;
	int i;
	int j;
	int output;
	int ret = 0;
	struct wdc_dui_log_hdr_v3 *log_hdr_v3 = (struct wdc_dui_log_hdr_v3 *)log_hdr;

	cap_dui_length_v3 = le64_to_cpu(log_hdr_v3->log_size);

	if (verbose) {
		fprintf(stderr,
			"INFO: WDC: Capture V2 or V3 Device Unit Info log, data area = %d\n",
			data_area);

		fprintf(stderr, "INFO: WDC: DUI Header Version = 0x%x\n",
			log_hdr_v3->hdr_version);
		if ((log_hdr->hdr_version & 0xFF) == 0x03)
			fprintf(stderr, "INFO: WDC: DUI Product ID = 0x%x/%c\n",
				log_hdr_v3->product_id, log_hdr_v3->product_id);
	}

	if (!cap_dui_length_v3) {
		fprintf(stderr, "INFO: WDC: Capture V2 or V3 Device Unit Info log is empty\n");
		return 0;
	}

	/* parse log header for all sections up to specified data area inclusively */
	if (data_area != WDC_NVME_DUI_MAX_DATA_AREA) {
		for (j = 0; j < WDC_NVME_DUI_MAX_SECTION_V3; j++) {
			if (log_hdr_v3->log_section[j].data_area_id <= data_area &&
					log_hdr_v3->log_section[j].data_area_id) {
				log_size += log_hdr_v3->log_section[j].section_size;
				if (verbose)
					fprintf(stderr,
						"%s: Data area ID %d : section size 0x%x, total size = 0x%"PRIx64"\n",
						__func__, log_hdr_v3->log_section[j].data_area_id,
						(unsigned int)log_hdr_v3->log_section[j].section_size,
						(uint64_t)log_size);
			} else {
				if (verbose)
					fprintf(stderr, "%s: break, total size = 0x%"PRIx64"\n",
						__func__, (uint64_t)log_size);
				break;
			}
		}
	} else {
		log_size = cap_dui_length_v3;
	}

	*total_size = log_size;

	if (offset >= *total_size) {
		fprintf(stderr,
			"%s: INFO: WDC: Offset 0x%"PRIx64" exceeds total size 0x%"PRIx64", no data retrieved\n",
			__func__, (uint64_t)offset, (uint64_t)*total_size);
		return -1;
	}

	dump_data = (__u8 *)malloc(sizeof(__u8) * xfer_size_long);
	if (!dump_data) {
		fprintf(stderr,
			"%s: ERROR: dump data v3 malloc failed : status %s, size = 0x%"PRIx64"\n",
			__func__, strerror(errno), (uint64_t)xfer_size_long);
		return -1;
	}
	memset(dump_data, 0, sizeof(__u8) * xfer_size_long);

	output = open(file, O_WRONLY | O_CREAT | O_TRUNC, 0666);
	if (output < 0) {
		fprintf(stderr, "%s: Failed to open output file %s: %s!\n",
				__func__, file, strerror(errno));
		free(dump_data);
		return output;
	}

	curr_data_offset = 0;

	if (file_size) {
		/* Write the DUI data based on the passed in file size */
		if ((offset + file_size) > *total_size)
			log_size = min((*total_size - offset), file_size);
		else
			log_size = min(*total_size, file_size);

		if (verbose)
			fprintf(stderr,
				"%s: INFO: WDC: Offset 0x%"PRIx64", file size 0x%"PRIx64", total size 0x%"PRIx64", log size 0x%"PRIx64"\n",
				__func__, (uint64_t)offset,
				(uint64_t)file_size, (uint64_t)*total_size, (uint64_t)log_size);

		curr_data_offset = offset;
	}

	i = 0;
	buffer_addr = dump_data;

	for (; log_size > 0; log_size -= xfer_size_long) {
		xfer_size_long = min(xfer_size_long, log_size);

		if (log_size <= xfer_size_long)
			last_xfer = true;

		ret = wdc_dump_dui_data_v2(fd, (__u32)xfer_size_long, curr_data_offset, buffer_addr,
					   last_xfer);
		if (ret) {
			fprintf(stderr,
				"%s: ERROR: WDC: Get chunk %d, size = 0x%"PRIx64", offset = 0x%"PRIx64", addr = %p\n",
				__func__, i, (uint64_t)*total_size, (uint64_t)curr_data_offset,
				buffer_addr);
			fprintf(stderr, "%s: ERROR: WDC: ", __func__);
			nvme_show_status(ret);
			break;
		}

		/* write the dump data into the file */
		err = write(output, (void *)buffer_addr, xfer_size_long);
		if (err != xfer_size_long) {
			fprintf(stderr,
				"%s: ERROR: WDC: Failed to flush DUI data to file! chunk %d, err = 0x%x, xfer_size = 0x%"PRIx64"\n",
				__func__, i, err, (uint64_t)xfer_size_long);
			ret = -1;
			goto free_mem;
		}

		curr_data_offset += xfer_size_long;
		i++;
	}

free_mem:
	close(output);
	free(dump_data);
	return ret;
}

static int wdc_do_cap_dui_v4(int fd, char *file, __u32 xfer_size, int data_area, int verbose,
			     struct wdc_dui_log_hdr *log_hdr, __s64 *total_size, __u64 file_size,
			     __u64 offset)
{
	__s64 log_size = 0;
	__s64 section_size_bytes = 0;
	__s64 xfer_size_long = (__s64)xfer_size;
	__u64 cap_dui_length_v4;
	__u64 curr_data_offset = 0;
	__u8 *buffer_addr;
	__u8 *dump_data = NULL;
	int err;
	int i;
	int j;
	int output;
	int ret = 0;
	bool last_xfer = false;
	struct wdc_dui_log_hdr_v4 *log_hdr_v4 = (struct wdc_dui_log_hdr_v4 *)log_hdr;

	cap_dui_length_v4 = le64_to_cpu(log_hdr_v4->log_size_sectors) * WDC_NVME_SN730_SECTOR_SIZE;

	if (verbose) {
		fprintf(stderr, "INFO: WDC: Capture V4 Device Unit Info log, data area = %d\n", data_area);
		fprintf(stderr, "INFO: WDC: DUI Header Version = 0x%x\n", log_hdr_v4->hdr_version);
		fprintf(stderr, "INFO: WDC: DUI Product ID = 0x%x/%c\n", log_hdr_v4->product_id, log_hdr_v4->product_id);
		fprintf(stderr, "INFO: WDC: DUI log size sectors = 0x%x\n", log_hdr_v4->log_size_sectors);
		fprintf(stderr, "INFO: WDC: DUI cap_dui_length = 0x%"PRIx64"\n", (uint64_t)cap_dui_length_v4);
	}

	if (!cap_dui_length_v4) {
		fprintf(stderr, "INFO: WDC: Capture V4 Device Unit Info log is empty\n");
		return 0;
	}

	/* parse log header for all sections up to specified data area inclusively */
	if (data_area != WDC_NVME_DUI_MAX_DATA_AREA) {
		for (j = 0; j < WDC_NVME_DUI_MAX_SECTION; j++) {
			if (log_hdr_v4->log_section[j].data_area_id <= data_area &&
			    log_hdr_v4->log_section[j].data_area_id) {
				section_size_bytes = ((__s64)log_hdr_v4->log_section[j].section_size_sectors * WDC_NVME_SN730_SECTOR_SIZE);
				log_size += section_size_bytes;
				if (verbose)
					fprintf(stderr,
						"%s: Data area ID %d : section size 0x%x sectors, section size 0x%"PRIx64" bytes, total size = 0x%"PRIx64"\n",
						__func__, log_hdr_v4->log_section[j].data_area_id,
						log_hdr_v4->log_section[j].section_size_sectors,
						(uint64_t)section_size_bytes, (uint64_t)log_size);
			} else {
				if (verbose)
					fprintf(stderr, "%s: break, total size = 0x%"PRIx64"\n", __func__, (uint64_t)log_size);
				break;
			}
		}
	} else {
		log_size = cap_dui_length_v4;
	}

	*total_size = log_size;

	if (offset >= *total_size) {
		fprintf(stderr,
			"%s: INFO: WDC: Offset 0x%"PRIx64" exceeds total size 0x%"PRIx64", no data retrieved\n",
			__func__, (uint64_t)offset, (uint64_t)*total_size);
		return -1;
	}

	dump_data = (__u8 *)malloc(sizeof(__u8) * xfer_size_long);
	if (!dump_data) {
		fprintf(stderr, "%s: ERROR: dump data V4 malloc failed : status %s, size = 0x%x\n",
			__func__, strerror(errno), (unsigned int)xfer_size_long);
		return -1;
	}
	memset(dump_data, 0, sizeof(__u8) * xfer_size_long);

	output = open(file, O_WRONLY | O_CREAT | O_TRUNC, 0666);
	if (output < 0) {
		fprintf(stderr, "%s: Failed to open output file %s: %s!\n", __func__, file,
			strerror(errno));
		free(dump_data);
		return output;
	}

	curr_data_offset = 0;

	if (file_size) {
		/* Write the DUI data based on the passed in file size */
		if ((offset + file_size) > *total_size)
			log_size = min((*total_size - offset), file_size);
		else
			log_size = min(*total_size, file_size);

		if (verbose)
			fprintf(stderr,
				"%s: INFO: WDC: Offset 0x%"PRIx64", file size 0x%"PRIx64", total size 0x%"PRIx64", log size 0x%"PRIx64"\n",
				__func__, (uint64_t)offset, (uint64_t)file_size,
				(uint64_t)*total_size, (uint64_t)log_size);

		curr_data_offset = offset;
	}

	i = 0;
	buffer_addr = dump_data;

	for (; log_size > 0; log_size -= xfer_size_long) {
		xfer_size_long = min(xfer_size_long, log_size);

		if (log_size <= xfer_size_long)
			last_xfer = true;

		ret = wdc_dump_dui_data_v2(fd, (__u32)xfer_size_long, curr_data_offset, buffer_addr, last_xfer);
		if (ret) {
			fprintf(stderr,
				"%s: ERROR: WDC: Get chunk %d, size = 0x%"PRIx64", offset = 0x%"PRIx64", addr = %p\n",
				__func__, i, (uint64_t)log_size, (uint64_t)curr_data_offset,
				buffer_addr);
			fprintf(stderr, "%s: ERROR: WDC:", __func__);
			nvme_show_status(ret);
			break;
		}

		/* write the dump data into the file */
		err = write(output, (void *)buffer_addr, xfer_size_long);
		if (err != xfer_size_long) {
			fprintf(stderr,
				"%s: ERROR: WDC: Failed to flush DUI data to file! chunk %d, err = 0x%x, xfer_size_long = 0x%"PRIx64"\n",
				__func__, i, err, (uint64_t)xfer_size_long);
			ret = -1;
			goto free_mem;
		}

		curr_data_offset += xfer_size_long;
		i++;
	}

free_mem:
	close(output);
	free(dump_data);
	return ret;
}

static int wdc_do_cap_dui(int fd, char *file, __u32 xfer_size, int data_area, int verbose,
			  __u64 file_size, __u64 offset)
{
	int ret = 0;
	__u32 dui_log_hdr_size = WDC_NVME_CAP_DUI_HEADER_SIZE;
	struct wdc_dui_log_hdr *log_hdr;
	__s64 total_size = 0;
	bool last_xfer = false;

	log_hdr = (struct wdc_dui_log_hdr *)malloc(dui_log_hdr_size);
	if (!log_hdr) {
		fprintf(stderr, "%s: ERROR: log header malloc failed : status %s, size 0x%x\n",
				__func__, strerror(errno), dui_log_hdr_size);
		return -1;
	}
	memset(log_hdr, 0, dui_log_hdr_size);

	/* get the dui telemetry and log headers */
	ret = wdc_dump_dui_data(fd, WDC_NVME_CAP_DUI_HEADER_SIZE, 0x00,	(__u8 *)log_hdr, last_xfer);
	if (ret) {
		fprintf(stderr, "%s: ERROR: WDC: Get DUI headers failed\n", __func__);
		fprintf(stderr, "%s: ERROR: WDC: ", __func__);
		nvme_show_status(ret);
		goto out;
	}

	/* Check the Log Header version */
	if ((log_hdr->hdr_version & 0xFF) == 0x00 || (log_hdr->hdr_version & 0xFF) == 0x01) {
		ret = wdc_do_cap_dui_v1(fd, file, xfer_size, data_area, verbose, log_hdr,
					&total_size);
		if (ret)
			goto out;
	} else if ((log_hdr->hdr_version & 0xFF) == 0x02 ||
		   (log_hdr->hdr_version & 0xFF) == 0x03) {
		/* Process Version 2 or 3 header */
		ret = wdc_do_cap_dui_v2_v3(fd, file, xfer_size, data_area, verbose, log_hdr,
					   &total_size, file_size, offset);
		if (ret)
			goto out;
	} else if ((log_hdr->hdr_version & 0xFF) == 0x04) {
		ret = wdc_do_cap_dui_v4(fd, file, xfer_size, data_area, verbose, log_hdr,
					&total_size, file_size, offset);
		if (ret)
			goto out;
	} else {
		fprintf(stderr, "INFO: WDC: Unsupported header version = 0x%x\n",
			log_hdr->hdr_version);
		goto out;
	}

	nvme_show_status(ret);
	if (verbose)
		fprintf(stderr, "INFO: WDC: Capture Device Unit Info log, length = 0x%"PRIx64"\n",
			(uint64_t)total_size);

out:
	free(log_hdr);
	return ret;
}

static int wdc_cap_diag(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	nvme_root_t r;
	char *desc = "Capture Diagnostics Log.";
	char *file = "Output file pathname.";
	char *size = "Data retrieval transfer size.";
	__u64 capabilities = 0;
	char f[PATH_MAX] = {0};
	struct nvme_dev *dev;
	__u32 xfer_size = 0;
	int ret = 0;

	struct config {
		char *file;
		__u32 xfer_size;
	};

	struct config cfg = {
		.file = NULL,
		.xfer_size = 0x10000
	};

	OPT_ARGS(opts) = {
		OPT_FILE("output-file",   'o', &cfg.file,      file),
		OPT_UINT("transfer-size", 's', &cfg.xfer_size, size),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);

	if (cfg.file)
		strncpy(f, cfg.file, PATH_MAX - 1);
	if (cfg.xfer_size)
		xfer_size = cfg.xfer_size;
	ret = wdc_get_serial_name(dev, f, PATH_MAX, "cap_diag");
	if (ret) {
		fprintf(stderr, "ERROR: WDC: failed to generate file name\n");
		goto out;
	}
	if (!cfg.file) {
		if (strlen(f) > PATH_MAX - 5) {
			fprintf(stderr, "ERROR: WDC: file name overflow\n");
			ret = -1;
			goto out;
		}
		strcat(f, ".bin");
	}

	capabilities = wdc_get_drive_capabilities(r, dev);
	if ((capabilities & WDC_DRIVE_CAP_CAP_DIAG) == WDC_DRIVE_CAP_CAP_DIAG)
		ret = wdc_do_cap_diag(r, dev, f, xfer_size, 0, 0);
	else
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
out:
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_do_get_sn730_log_len(int fd, uint32_t *len_buf, uint32_t subopcode)
{
	int ret;
	uint32_t *output = NULL;
	struct nvme_passthru_cmd admin_cmd;

	output = (uint32_t *)malloc(sizeof(uint32_t));
	if (!output) {
		fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
		return -1;
	}
	memset(output, 0, sizeof(uint32_t));
	memset(&admin_cmd, 0, sizeof(struct nvme_passthru_cmd));

	admin_cmd.data_len = 8;
	admin_cmd.opcode = SN730_NVME_GET_LOG_OPCODE;
	admin_cmd.addr = (uintptr_t)output;
	admin_cmd.cdw12 = subopcode;
	admin_cmd.cdw10 = SN730_LOG_CHUNK_SIZE / 4;

	ret = nvme_submit_admin_passthru(fd, &admin_cmd, NULL);
	if (!ret)
		*len_buf = *output;
	free(output);
	return ret;
}

static int wdc_do_get_sn730_log(int fd, void *log_buf, uint32_t offset, uint32_t subopcode)
{
	int ret;
	uint8_t *output = NULL;
	struct nvme_passthru_cmd admin_cmd;

	output = (uint8_t *)calloc(SN730_LOG_CHUNK_SIZE, sizeof(uint8_t));
	if (!output) {
		fprintf(stderr, "ERROR: WDC: calloc: %s\n", strerror(errno));
		return -1;
	}
	memset(&admin_cmd, 0, sizeof(struct nvme_passthru_cmd));
	admin_cmd.data_len = SN730_LOG_CHUNK_SIZE;
	admin_cmd.opcode = SN730_NVME_GET_LOG_OPCODE;
	admin_cmd.addr = (uintptr_t)output;
	admin_cmd.cdw12 = subopcode;
	admin_cmd.cdw13 = offset;
	admin_cmd.cdw10 = SN730_LOG_CHUNK_SIZE / 4;

	ret = nvme_submit_admin_passthru(fd, &admin_cmd, NULL);
	if (!ret)
		memcpy(log_buf, output, SN730_LOG_CHUNK_SIZE);
	return ret;
}

static int get_sn730_log_chunks(int fd, uint8_t *log_buf, uint32_t log_len, uint32_t subopcode)
{
	int ret = 0;
	uint8_t *chunk_buf = NULL;
	int remaining = log_len;
	int curr_offset = 0;

	chunk_buf = (uint8_t *)malloc(sizeof(uint8_t) * SN730_LOG_CHUNK_SIZE);
	if (!chunk_buf) {
		fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
		ret = -1;
		goto out;
	}

	while (remaining > 0) {
		memset(chunk_buf, 0, SN730_LOG_CHUNK_SIZE);
		ret = wdc_do_get_sn730_log(fd, chunk_buf, curr_offset, subopcode);
		if (!ret) {
			if (remaining >= SN730_LOG_CHUNK_SIZE) {
				memcpy(log_buf + (curr_offset * SN730_LOG_CHUNK_SIZE),
						chunk_buf, SN730_LOG_CHUNK_SIZE);
			} else {
				memcpy(log_buf + (curr_offset * SN730_LOG_CHUNK_SIZE),
						chunk_buf, remaining);
			}
			remaining -= SN730_LOG_CHUNK_SIZE;
			curr_offset += 1;
		} else {
			goto out;
		}
	}
out:
	free(chunk_buf);
	return ret;
}

static int wdc_do_sn730_get_and_tar(int fd, char *outputName)
{
	int ret = 0;
	void *retPtr;
	uint8_t *full_log_buf = NULL;
	uint8_t *key_log_buf = NULL;
	uint8_t *core_dump_log_buf = NULL;
	uint8_t *extended_log_buf = NULL;
	uint32_t full_log_len = 0;
	uint32_t key_log_len = 0;
	uint32_t core_dump_log_len = 0;
	uint32_t extended_log_len = 0;
	struct tarfile_metadata *tarInfo = NULL;

	tarInfo = (struct tarfile_metadata *)malloc(sizeof(struct tarfile_metadata));
	if (!tarInfo) {
		fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
		ret = -1;
		goto free_buf;
	}
	memset(tarInfo, 0, sizeof(struct tarfile_metadata));

	/* Create Logs directory */
	wdc_UtilsGetTime(&tarInfo->timeInfo);
	memset(tarInfo->timeString, 0, sizeof(tarInfo->timeString));
	wdc_UtilsSnprintf((char *)tarInfo->timeString, MAX_PATH_LEN, "%02u%02u%02u_%02u%02u%02u",
			tarInfo->timeInfo.year, tarInfo->timeInfo.month, tarInfo->timeInfo.dayOfMonth,
			tarInfo->timeInfo.hour, tarInfo->timeInfo.minute, tarInfo->timeInfo.second);

	wdc_UtilsSnprintf((char *)tarInfo->bufferFolderName, MAX_PATH_LEN, "%s",
			(char *)outputName);

	retPtr = getcwd((char *)tarInfo->currDir, MAX_PATH_LEN);
	if (retPtr) {
		wdc_UtilsSnprintf((char *)tarInfo->bufferFolderPath, MAX_PATH_LEN, "%s%s%s",
				(char *)tarInfo->currDir, WDC_DE_PATH_SEPARATOR, (char *)tarInfo->bufferFolderName);
	} else {
		fprintf(stderr, "ERROR: WDC: get current working directory failed\n");
		goto free_buf;
	}

	ret = wdc_UtilsCreateDir((char *)tarInfo->bufferFolderPath);
	if (ret) {
		fprintf(stderr, "ERROR: WDC: create directory failed, ret = %d, dir = %s\n", ret, tarInfo->bufferFolderPath);
		goto free_buf;
	} else {
		fprintf(stderr, "Stored log files in directory: %s\n", tarInfo->bufferFolderPath);
	}

	ret = wdc_do_get_sn730_log_len(fd, &full_log_len, SN730_GET_FULL_LOG_LENGTH);
	if (ret) {
		nvme_show_status(ret);
		goto free_buf;
	}
	ret = wdc_do_get_sn730_log_len(fd, &key_log_len, SN730_GET_KEY_LOG_LENGTH);
	if (ret) {
		nvme_show_status(ret);
		goto free_buf;
	}
	ret = wdc_do_get_sn730_log_len(fd, &core_dump_log_len, SN730_GET_COREDUMP_LOG_LENGTH);
	if (ret) {
		nvme_show_status(ret);
		goto free_buf;
	}
	ret = wdc_do_get_sn730_log_len(fd, &extended_log_len, SN730_GET_EXTENDED_LOG_LENGTH);
	if (ret) {
		nvme_show_status(ret);
		goto free_buf;
	}

	full_log_buf = (uint8_t *) calloc(full_log_len, sizeof(uint8_t));
	key_log_buf = (uint8_t *) calloc(key_log_len, sizeof(uint8_t));
	core_dump_log_buf = (uint8_t *) calloc(core_dump_log_len, sizeof(uint8_t));
	extended_log_buf = (uint8_t *) calloc(extended_log_len, sizeof(uint8_t));

	if (!full_log_buf || !key_log_buf || !core_dump_log_buf || !extended_log_buf) {
		fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
		ret = -1;
		goto free_buf;
	}

	/* Get the full log */
	ret = get_sn730_log_chunks(fd, full_log_buf, full_log_len, SN730_GET_FULL_LOG_SUBOPCODE);
	if (ret) {
		nvme_show_status(ret);
		goto free_buf;
	}

	/* Get the key log */
	ret = get_sn730_log_chunks(fd, key_log_buf, key_log_len, SN730_GET_KEY_LOG_SUBOPCODE);
	if (ret) {
		nvme_show_status(ret);
		goto free_buf;
	}

	/* Get the core dump log */
	ret = get_sn730_log_chunks(fd, core_dump_log_buf, core_dump_log_len, SN730_GET_CORE_LOG_SUBOPCODE);
	if (ret) {
		nvme_show_status(ret);
		goto free_buf;
	}

	/* Get the extended log */
	ret = get_sn730_log_chunks(fd, extended_log_buf, extended_log_len, SN730_GET_EXTEND_LOG_SUBOPCODE);
	if (ret) {
		nvme_show_status(ret);
		goto free_buf;
	}

	/* Write log files */
	wdc_UtilsSnprintf(tarInfo->fileName, MAX_PATH_LEN, "%s%s%s_%s.bin", (char *)tarInfo->bufferFolderPath, WDC_DE_PATH_SEPARATOR,
			"full_log", (char *)tarInfo->timeString);
	wdc_WriteToFile(tarInfo->fileName, (char *)full_log_buf, full_log_len);

	wdc_UtilsSnprintf(tarInfo->fileName, MAX_PATH_LEN, "%s%s%s_%s.bin", (char *)tarInfo->bufferFolderPath, WDC_DE_PATH_SEPARATOR,
			"key_log", (char *)tarInfo->timeString);
	wdc_WriteToFile(tarInfo->fileName, (char *)key_log_buf, key_log_len);

	wdc_UtilsSnprintf(tarInfo->fileName, MAX_PATH_LEN, "%s%s%s_%s.bin", (char *)tarInfo->bufferFolderPath, WDC_DE_PATH_SEPARATOR,
			"core_dump_log", (char *)tarInfo->timeString);
	wdc_WriteToFile(tarInfo->fileName, (char *)core_dump_log_buf, core_dump_log_len);

	wdc_UtilsSnprintf(tarInfo->fileName, MAX_PATH_LEN, "%s%s%s_%s.bin", (char *)tarInfo->bufferFolderPath, WDC_DE_PATH_SEPARATOR,
			"extended_log", (char *)tarInfo->timeString);
	wdc_WriteToFile(tarInfo->fileName, (char *)extended_log_buf, extended_log_len);

	/* Tar the log directory */
	wdc_UtilsSnprintf(tarInfo->tarFileName, sizeof(tarInfo->tarFileName), "%s%s", (char *)tarInfo->bufferFolderPath, WDC_DE_TAR_FILE_EXTN);
	wdc_UtilsSnprintf(tarInfo->tarFiles, sizeof(tarInfo->tarFiles), "%s%s%s", (char *)tarInfo->bufferFolderName, WDC_DE_PATH_SEPARATOR, WDC_DE_TAR_FILES);
	wdc_UtilsSnprintf(tarInfo->tarCmd, sizeof(tarInfo->tarCmd), "%s %s %s", WDC_DE_TAR_CMD, (char *)tarInfo->tarFileName, (char *)tarInfo->tarFiles);

	ret = system(tarInfo->tarCmd);

	if (ret)
		fprintf(stderr, "ERROR: WDC: Tar of log data failed, ret = %d\n", ret);

free_buf:
	free(tarInfo);
	free(full_log_buf);
	free(core_dump_log_buf);
	free(key_log_buf);
	free(extended_log_buf);
	return ret;
}

static int dump_internal_logs(struct nvme_dev *dev, char *dir_name, int verbose)
{
	char file_path[PATH_MAX];
	void *telemetry_log;
	const size_t bs = 512;
	struct nvme_telemetry_log *hdr;
	size_t full_size, offset = bs;
	int err, output;

	if (verbose)
		printf("NVMe Telemetry log...\n");

	hdr = malloc(bs);
	telemetry_log = malloc(bs);
	if (!hdr || !telemetry_log) {
		fprintf(stderr, "Failed to allocate %zu bytes for log: %s\n", bs, strerror(errno));
		err = -ENOMEM;
		goto free_mem;
	}
	memset(hdr, 0, bs);

	sprintf(file_path, "%s/telemetry.bin", dir_name);
	output = open(file_path, O_WRONLY | O_CREAT | O_TRUNC, 0666);
	if (output < 0) {
		fprintf(stderr, "Failed to open output file %s: %s!\n", file_path, strerror(errno));
		err = output;
		goto free_mem;
	}

	struct nvme_get_log_args args = {
		.lpo = 0,
		.result = NULL,
		.log = hdr,
		.args_size = sizeof(args),
		.fd = dev_fd(dev),
		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
		.lid = NVME_LOG_LID_TELEMETRY_HOST,
		.len = bs,
		.nsid = NVME_NSID_ALL,
		.csi = NVME_CSI_NVM,
		.lsi = NVME_LOG_LSI_NONE,
		.lsp = NVME_LOG_TELEM_HOST_LSP_CREATE,
		.uuidx = NVME_UUID_NONE,
		.rae = true,
		.ot = false,
	};

	err = nvme_get_log(&args);
	if (err < 0)
		perror("get-telemetry-log");
	else if (err > 0) {
		nvme_show_status(err);
		fprintf(stderr, "Failed to acquire telemetry header %d!\n", err);
		goto close_output;
	}

	err = write(output, (void *)hdr, bs);
	if (err != bs) {
		fprintf(stderr, "Failed to flush all data to file!\n");
		goto close_output;
	}

	full_size = (le16_to_cpu(hdr->dalb3) * bs) + offset;

	while (offset != full_size) {
		args.log = telemetry_log;
		args.lpo = offset;
		args.lsp = NVME_LOG_LSP_NONE;
		err = nvme_get_log(&args);
		if (err < 0) {
			perror("get-telemetry-log");
			break;
		} else if (err > 0) {
			fprintf(stderr, "Failed to acquire full telemetry log!\n");
			nvme_show_status(err);
			break;
		}

		err = write(output, (void *)telemetry_log, bs);
		if (err != bs) {
			fprintf(stderr, "Failed to flush all data to file!\n");
			break;
		}
		err = 0;
		offset += bs;
	}

close_output:
	close(output);
free_mem:
	free(hdr);
	free(telemetry_log);

	return err;
}

static int wdc_vs_internal_fw_log(int argc, char **argv, struct command *command,
				  struct plugin *plugin)
{
	char *desc = "Internal Firmware Log.";
	char *file = "Output file pathname.";
	char *size = "Data retrieval transfer size.";
	char *data_area = "Data area to retrieve up to. Currently only supported on the SN340, SN640, SN730, and SN840 devices.";
	char *file_size = "Output file size.  Currently only supported on the SN340 device.";
	char *offset = "Output file data offset. Currently only supported on the SN340 device.";
	char *type = "Telemetry type - NONE, HOST, or CONTROLLER. Currently only supported on the SN530, SN640, SN730, SN740, SN810, SN840 and ZN350 devices.";
	char *verbose = "Display more debug messages.";
	char f[PATH_MAX] = {0};
	char fb[PATH_MAX/2] = {0};
	char fileSuffix[PATH_MAX] = {0};
	struct nvme_dev *dev;
	nvme_root_t r;
	__u32 xfer_size = 0;
	int telemetry_type = 0, telemetry_data_area = 0;
	UtilsTimeInfo             timeInfo;
	__u8                      timeStamp[MAX_PATH_LEN];
	__u64 capabilities = 0;
	__u32 device_id, read_vendor_id;
	char file_path[PATH_MAX/2] = {0};
	char cmd_buf[PATH_MAX] = {0};
	int ret = -1;

	struct config {
		char *file;
		__u32 xfer_size;
		int data_area;
		__u64 file_size;
		__u64 offset;
		char *type;
		bool verbose;
	};

	struct config cfg = {
		.file = NULL,
		.xfer_size = 0x10000,
		.data_area = 0,
		.file_size = 0,
		.offset = 0,
		.type = NULL,
		.verbose = false,
	};

	OPT_ARGS(opts) = {
		OPT_FILE("output-file",   'o', &cfg.file,      file),
		OPT_UINT("transfer-size", 's', &cfg.xfer_size, size),
		OPT_UINT("data-area",     'd', &cfg.data_area, data_area),
		OPT_LONG("file-size",     'f', &cfg.file_size, file_size),
		OPT_LONG("offset",        'e', &cfg.offset,    offset),
		OPT_FILE("type",          't', &cfg.type,      type),
		OPT_FLAG("verbose",       'v', &cfg.verbose,   verbose),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);
	if (!wdc_check_device(r, dev))
		goto out;

	if (cfg.xfer_size) {
		xfer_size = cfg.xfer_size;
	} else {
		fprintf(stderr, "ERROR: WDC: Invalid length\n");
		goto out;
	}

	ret = wdc_get_pci_ids(r, dev, &device_id, &read_vendor_id);

	if (!wdc_is_sn861(device_id)) {
		if (cfg.file) {
			int verify_file;

			/* verify file name and path is valid before getting dump data */
			verify_file = open(cfg.file, O_WRONLY | O_CREAT | O_TRUNC, 0666);
			if (verify_file < 0) {
				fprintf(stderr, "ERROR: WDC: open: %s\n", strerror(errno));
				goto out;
			}
			close(verify_file);
			strncpy(f, cfg.file, PATH_MAX - 1);
		} else {
			wdc_UtilsGetTime(&timeInfo);
			memset(timeStamp, 0, sizeof(timeStamp));
			wdc_UtilsSnprintf((char *)timeStamp, MAX_PATH_LEN,
				"%02u%02u%02u_%02u%02u%02u", timeInfo.year,
				timeInfo.month, timeInfo.dayOfMonth,
				timeInfo.hour, timeInfo.minute,
				timeInfo.second);
			snprintf(fileSuffix, PATH_MAX, "_internal_fw_log_%s", (char *)timeStamp);

			ret = wdc_get_serial_name(dev, f, PATH_MAX, fileSuffix);
			if (ret) {
				fprintf(stderr, "ERROR: WDC: failed to generate file name\n");
				goto out;
			}
		}

		if (!cfg.file) {
			if (strlen(f) > PATH_MAX - 5) {
				fprintf(stderr, "ERROR: WDC: file name overflow\n");
				ret = -1;
				goto out;
			}
			strcat(f, ".bin");
		}
		fprintf(stderr, "%s: filename = %s\n", __func__, f);

		if (cfg.data_area) {
			if (cfg.data_area > 5 || cfg.data_area < 1) {
				fprintf(stderr, "ERROR: WDC: Data area must be 1-5\n");
				ret = -1;
				goto out;
			}
		}

		if (!cfg.type || !strcmp(cfg.type, "NONE") || !strcmp(cfg.type, "none")) {
			telemetry_type = WDC_TELEMETRY_TYPE_NONE;
			data_area = 0;
		} else if (!strcmp(cfg.type, "HOST") || !strcmp(cfg.type, "host")) {
			telemetry_type = WDC_TELEMETRY_TYPE_HOST;
			telemetry_data_area = cfg.data_area;
		} else if (!strcmp(cfg.type, "CONTROLLER") || !strcmp(cfg.type, "controller")) {
			telemetry_type = WDC_TELEMETRY_TYPE_CONTROLLER;
			telemetry_data_area = cfg.data_area;
		} else {
			fprintf(stderr,
				"ERROR: WDC: Invalid type - Must be NONE, HOST or CONTROLLER\n");
			ret = -1;
			goto out;
		}
	} else {
		if (cfg.file) {
			strncpy(fb, cfg.file, PATH_MAX/2 - 8);
		} else {
			wdc_UtilsGetTime(&timeInfo);
			memset(timeStamp, 0, sizeof(timeStamp));
			wdc_UtilsSnprintf((char *)timeStamp, MAX_PATH_LEN,
				"%02u%02u%02u_%02u%02u%02u", timeInfo.year,
				timeInfo.month, timeInfo.dayOfMonth,
				timeInfo.hour, timeInfo.minute,
				timeInfo.second);
			snprintf(fileSuffix, PATH_MAX, "_internal_fw_log_%s", (char *)timeStamp);

			ret = wdc_get_serial_name(dev, fb, PATH_MAX/2 - 7, fileSuffix);
			if (ret) {
				fprintf(stderr, "ERROR: WDC: failed to generate file name\n");
				goto out;
			}

			if (strlen(fb) > PATH_MAX/2 - 7) {
				fprintf(stderr, "ERROR: WDC: file name overflow\n");
				ret = -1;
				goto out;
			}
		}
		fprintf(stderr, "%s: filename = %s.tar.gz\n", __func__, fb);


		memset(file_path, 0, sizeof(file_path));
		if (snprintf(file_path, PATH_MAX/2 - 8, "%s.tar.gz", fb) >= PATH_MAX/2 - 8) {
			fprintf(stderr, "File path is too long!\n");
			ret = -1;
			goto out;
		}
		if (access(file_path, F_OK) != -1) {
			fprintf(stderr, "Output file already exists!\n");
			ret = -EEXIST;
			goto out;
		}
	}

	capabilities = wdc_get_drive_capabilities(r, dev);
	if ((capabilities & WDC_DRIVE_CAP_INTERNAL_LOG) == WDC_DRIVE_CAP_INTERNAL_LOG) {
		if (!wdc_is_sn861(device_id)) {
			/* Set the default DA to 3 if not specified */
			if (!telemetry_data_area)
				telemetry_data_area = 3;

			ret = wdc_do_cap_diag(r, dev, f, xfer_size,
					telemetry_type, telemetry_data_area);
		} else {
			if (cfg.verbose)
				printf("Creating temp directory...\n");

			ret = mkdir(fb, 0666);
			if (ret) {
				fprintf(stderr, "Failed to create directory!\n");
				goto out;
			}

			ret = dump_internal_logs(dev, fb, cfg.verbose);
			if (ret < 0)
				perror("vs-internal-log");

			if (cfg.verbose)
				printf("Archiving...\n");

			if (snprintf(cmd_buf, PATH_MAX,
				     "tar --remove-files -czf %s %s",
				     file_path, fb) >= PATH_MAX) {
				fprintf(stderr, "Command buffer is too long!\n");
				ret = -1;
				goto out;
			}

			ret = system(cmd_buf);
			if (ret)
				fprintf(stderr, "Failed to create an archive file!\n");
		}
		goto out;
	}
	if ((capabilities & WDC_DRIVE_CAP_DUI) == WDC_DRIVE_CAP_DUI) {
		if ((telemetry_type == WDC_TELEMETRY_TYPE_HOST) ||
			(telemetry_type == WDC_TELEMETRY_TYPE_CONTROLLER)) {
			if (!telemetry_data_area)
				telemetry_data_area = 3;       /* Set the default DA to 3 if not specified */
			/* Get the desired telemetry log page */
			ret = wdc_do_cap_telemetry_log(dev, f, xfer_size,
					telemetry_type, telemetry_data_area);
			goto out;
		} else {
			if (!cfg.data_area)
				cfg.data_area = 1;

			/* FW requirement - xfer size must be 256k for data area 4 */
			if (cfg.data_area >= 4)
				xfer_size = 0x40000;
			ret = wdc_do_cap_dui(dev_fd(dev), f, xfer_size,
					 cfg.data_area,
					 cfg.verbose, cfg.file_size,
					 cfg.offset);
			goto out;
		}
	}
	if ((capabilities & WDC_DRIVE_CAP_DUI_DATA) == WDC_DRIVE_CAP_DUI_DATA) {
		if ((telemetry_type == WDC_TELEMETRY_TYPE_HOST) ||
			(telemetry_type == WDC_TELEMETRY_TYPE_CONTROLLER)) {
			if (!telemetry_data_area)
				telemetry_data_area = 3;       /* Set the default DA to 3 if not specified */
			/* Get the desired telemetry log page */
			ret = wdc_do_cap_telemetry_log(dev, f, xfer_size,
					telemetry_type, telemetry_data_area);
			goto out;
		} else {
			ret = wdc_do_cap_dui(dev_fd(dev), f, xfer_size,
					     WDC_NVME_DUI_MAX_DATA_AREA,
					     cfg.verbose, 0, 0);
			goto out;
		}
	}
	if ((capabilities & WDC_SN730B_CAP_VUC_LOG) == WDC_SN730B_CAP_VUC_LOG) {
		ret = wdc_do_sn730_get_and_tar(dev_fd(dev), f);
	} else {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
	}
out:
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_do_crash_dump(struct nvme_dev *dev, char *file, int type)
{
	int ret;
	__u32 crash_dump_length;
	__u32 opcode;
	__u32 cdw12;
	__u32 cdw10_size;
	__u32 cdw12_size;
	__u32 cdw12_clear;

	if (type == WDC_NVME_PFAIL_DUMP_TYPE) {
		/* set parms to get the PFAIL Crash Dump */
		opcode = WDC_NVME_PF_CRASH_DUMP_OPCODE;
		cdw10_size = WDC_NVME_PF_CRASH_DUMP_SIZE_NDT;
		cdw12_size = ((WDC_NVME_PF_CRASH_DUMP_SIZE_SUBCMD << WDC_NVME_SUBCMD_SHIFT) |
			WDC_NVME_PF_CRASH_DUMP_SIZE_CMD);

		cdw12 = (WDC_NVME_PF_CRASH_DUMP_SUBCMD << WDC_NVME_SUBCMD_SHIFT) |
			WDC_NVME_PF_CRASH_DUMP_CMD;

		cdw12_clear = ((WDC_NVME_CLEAR_PF_CRASH_DUMP_SUBCMD << WDC_NVME_SUBCMD_SHIFT) |
			WDC_NVME_CLEAR_CRASH_DUMP_CMD);

	} else {
		/* set parms to get the Crash Dump */
		opcode = WDC_NVME_CRASH_DUMP_OPCODE;
		cdw10_size = WDC_NVME_CRASH_DUMP_SIZE_NDT;
		cdw12_size = ((WDC_NVME_CRASH_DUMP_SIZE_SUBCMD << WDC_NVME_SUBCMD_SHIFT) |
			WDC_NVME_CRASH_DUMP_SIZE_CMD);

		cdw12 = (WDC_NVME_CRASH_DUMP_SUBCMD << WDC_NVME_SUBCMD_SHIFT) |
			WDC_NVME_CRASH_DUMP_CMD;

		cdw12_clear = ((WDC_NVME_CLEAR_CRASH_DUMP_SUBCMD << WDC_NVME_SUBCMD_SHIFT) |
			WDC_NVME_CLEAR_CRASH_DUMP_CMD);
	}

	ret = wdc_dump_length(dev_fd(dev),
			      opcode,
			      cdw10_size,
			      cdw12_size,
			      &crash_dump_length);

	if (ret == -1) {
		if (type == WDC_NVME_PFAIL_DUMP_TYPE)
			fprintf(stderr, "INFO: WDC: Pfail dump get size failed\n");
		else
			fprintf(stderr, "INFO: WDC: Crash dump get size failed\n");

		return -1;
	}

	if (!crash_dump_length) {
		if (type == WDC_NVME_PFAIL_DUMP_TYPE)
			fprintf(stderr, "INFO: WDC: Pfail dump is empty\n");
		else
			fprintf(stderr, "INFO: WDC: Crash dump is empty\n");
	} else {
		ret = wdc_do_dump(dev,
			opcode,
			crash_dump_length,
			cdw12,
			file,
			crash_dump_length);

		if (!ret)
			ret = wdc_do_clear_dump(dev, WDC_NVME_CLEAR_DUMP_OPCODE,
						cdw12_clear);
	}
	return ret;
}

static int wdc_crash_dump(struct nvme_dev *dev, char *file, int type)
{
	char f[PATH_MAX] = {0};
	const char *dump_type;
	int ret;

	if (file)
		strncpy(f, file, PATH_MAX - 1);

	if (type == WDC_NVME_PFAIL_DUMP_TYPE)
		dump_type = "_pfail_dump";
	else
		dump_type = "_crash_dump";

	ret = wdc_get_serial_name(dev, f, PATH_MAX, dump_type);
	if (ret)
		fprintf(stderr, "ERROR: WDC: failed to generate file name\n");
	else
		ret = wdc_do_crash_dump(dev, f, type);
	return ret;
}

static int wdc_do_drive_log(struct nvme_dev *dev, char *file)
{
	int ret;
	__u8 *drive_log_data;
	__u32 drive_log_length;
	struct nvme_passthru_cmd admin_cmd;

	ret = wdc_dump_length(dev_fd(dev), WDC_NVME_DRIVE_LOG_SIZE_OPCODE,
			      WDC_NVME_DRIVE_LOG_SIZE_NDT,
			      (WDC_NVME_DRIVE_LOG_SIZE_SUBCMD <<
			       WDC_NVME_SUBCMD_SHIFT | WDC_NVME_DRIVE_LOG_SIZE_CMD),
			      &drive_log_length);
	if (ret == -1)
		return -1;

	drive_log_data = (__u8 *)malloc(sizeof(__u8) * drive_log_length);
	if (!drive_log_data) {
		fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
		return -1;
	}

	memset(drive_log_data, 0, sizeof(__u8) * drive_log_length);
	memset(&admin_cmd, 0, sizeof(struct nvme_passthru_cmd));
	admin_cmd.opcode = WDC_NVME_DRIVE_LOG_OPCODE;
	admin_cmd.addr = (__u64)(uintptr_t)drive_log_data;
	admin_cmd.data_len = drive_log_length;
	admin_cmd.cdw10 = drive_log_length;
	admin_cmd.cdw12 = ((WDC_NVME_DRIVE_LOG_SUBCMD <<
				WDC_NVME_SUBCMD_SHIFT) | WDC_NVME_DRIVE_LOG_SIZE_CMD);

	ret = nvme_submit_admin_passthru(dev_fd(dev), &admin_cmd, NULL);
	nvme_show_status(ret);
	if (!ret)
		ret = wdc_create_log_file(file, drive_log_data, drive_log_length);
	free(drive_log_data);
	return ret;
}

static int wdc_drive_log(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	const char *desc = "Capture Drive Log.";
	const char *file = "Output file pathname.";
	char f[PATH_MAX] = {0};
	struct nvme_dev *dev;
	int ret;
	nvme_root_t r;
	__u64 capabilities = 0;
	struct config {
		char *file;
	};

	struct config cfg = {
		.file = NULL
	};

	OPT_ARGS(opts) = {
		OPT_FILE("output-file", 'o', &cfg.file, file),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);

	if (!wdc_check_device(r, dev)) {
		nvme_free_tree(r);
		dev_close(dev);
		return -1;
	}
	capabilities = wdc_get_drive_capabilities(r, dev);

	if (!(capabilities & WDC_DRIVE_CAP_DRIVE_LOG)) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
	} else {
		if (cfg.file)
			strncpy(f, cfg.file, PATH_MAX - 1);
		ret = wdc_get_serial_name(dev, f, PATH_MAX, "drive_log");
		if (ret)
			fprintf(stderr, "ERROR: WDC: failed to generate file name\n");
		else
			ret = wdc_do_drive_log(dev, f);
	}
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_get_crash_dump(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	const char *desc = "Get Crash Dump.";
	const char *file = "Output file pathname.";
	__u64 capabilities = 0;
	struct nvme_dev *dev;
	nvme_root_t r;
	int ret;

	struct config {
		char *file;
	};

	struct config cfg = {
		.file = NULL,
	};

	OPT_ARGS(opts) = {
		OPT_FILE("output-file", 'o', &cfg.file, file),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);

	if (!wdc_check_device(r, dev)) {
		nvme_free_tree(r);
		dev_close(dev);
		return -1;

	}

	capabilities = wdc_get_drive_capabilities(r, dev);

	if (!(capabilities & WDC_DRIVE_CAP_CRASH_DUMP)) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
	} else {
		ret = wdc_crash_dump(dev, cfg.file, WDC_NVME_CRASH_DUMP_TYPE);
		if (ret)
			fprintf(stderr, "ERROR: WDC: failed to read crash dump\n");
	}
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_get_pfail_dump(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	char *desc = "Get Pfail Crash Dump.";
	char *file = "Output file pathname.";
	__u64 capabilities = 0;
	struct nvme_dev *dev;
	struct config {
		char *file;
	};
	nvme_root_t r;
	int ret;

	struct config cfg = {
		.file = NULL,
	};

	OPT_ARGS(opts) = {
		OPT_FILE("output-file", 'o', &cfg.file, file),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);

	if (!wdc_check_device(r, dev)) {
		nvme_free_tree(r);
		dev_close(dev);
		return -1;
	}

	capabilities = wdc_get_drive_capabilities(r, dev);
	if (!(capabilities & WDC_DRIVE_CAP_PFAIL_DUMP)) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
	} else {
		ret = wdc_crash_dump(dev, cfg.file, WDC_NVME_PFAIL_DUMP_TYPE);
		if (ret)
			fprintf(stderr, "ERROR: WDC: failed to read pfail crash dump\n");
	}
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static void wdc_do_id_ctrl(__u8 *vs, struct json_object *root)
{
	char vsn[24] = {0};
	int base = 3072;
	int vsn_start = 3081;

	memcpy(vsn, &vs[vsn_start - base], sizeof(vsn));
	if (root)
		json_object_add_value_string(root, "wdc vsn", strlen(vsn) > 1 ? vsn : "NULL");
	else
		printf("wdc vsn: %s\n", strlen(vsn) > 1 ? vsn : "NULL");
}

static int wdc_id_ctrl(int argc, char **argv, struct command *cmd, struct plugin *plugin)
{
	return __id_ctrl(argc, argv, cmd, plugin, wdc_do_id_ctrl);
}

static const char *wdc_purge_mon_status_to_string(__u32 status)
{
	const char *str;

	switch (status) {
	case WDC_NVME_PURGE_STATE_IDLE:
		str = "Purge State Idle.";
		break;
	case WDC_NVME_PURGE_STATE_DONE:
		str = "Purge State Done.";
		break;
	case WDC_NVME_PURGE_STATE_BUSY:
		str = "Purge State Busy.";
		break;
	case WDC_NVME_PURGE_STATE_REQ_PWR_CYC:
		str = "Purge Operation resulted in an error that requires power cycle.";
		break;
	case WDC_NVME_PURGE_STATE_PWR_CYC_PURGE:
		str = "The previous purge operation was interrupted by a power cycle\n"
		      "or reset interruption. Other commands may be rejected until\n"
		      "Purge Execute is issued and completed.";
		break;
	default:
		str = "Unknown.";
	}
	return str;
}

static int wdc_purge(int argc, char **argv,
		struct command *command, struct plugin *plugin)
{
	const char *desc = "Send a Purge command.";
	struct nvme_passthru_cmd admin_cmd;
	__u64 capabilities = 0;
	struct nvme_dev *dev;
	char *err_str;
	nvme_root_t r;
	int ret;

	OPT_ARGS(opts) = {
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);

	if (!wdc_check_device(r, dev)) {
		nvme_free_tree(r);
		dev_close(dev);
		return -1;
	}

	capabilities = wdc_get_drive_capabilities(r, dev);
	if (!(capabilities & WDC_DRIVE_CAP_PURGE)) {
		ret = -1;
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
	} else {
		err_str = "";
		memset(&admin_cmd, 0, sizeof(admin_cmd));
		admin_cmd.opcode = WDC_NVME_PURGE_CMD_OPCODE;

		ret = nvme_submit_admin_passthru(dev_fd(dev), &admin_cmd,
						 NULL);
		if (ret > 0) {
			switch (ret) {
			case WDC_NVME_PURGE_CMD_SEQ_ERR:
				err_str = "ERROR: WDC: Cannot execute purge, Purge operation is in progress.\n";
				break;
			case WDC_NVME_PURGE_INT_DEV_ERR:
				err_str = "ERROR: WDC: Internal Device Error.\n";
				break;
			default:
				err_str = "ERROR: WDC\n";
			}
		}

		fprintf(stderr, "%s", err_str);
		nvme_show_status(ret);
	}
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_purge_monitor(int argc, char **argv,
		struct command *command, struct plugin *plugin)
{
	const char *desc = "Send a Purge Monitor command.";
	__u8 output[WDC_NVME_PURGE_MONITOR_DATA_LEN];
	double progress_percent;
	struct nvme_passthru_cmd admin_cmd;
	struct wdc_nvme_purge_monitor_data *mon;
	struct nvme_dev *dev;
	__u64 capabilities;
	nvme_root_t r;
	int ret;

	OPT_ARGS(opts) = {
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);
	if (!wdc_check_device(r, dev)) {
		nvme_free_tree(r);
		dev_close(dev);
		return -1;
	}

	capabilities = wdc_get_drive_capabilities(r, dev);
	if (!(capabilities & WDC_DRIVE_CAP_PURGE)) {
		ret = -1;
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
	} else {
		memset(output, 0, sizeof(output));
		memset(&admin_cmd, 0, sizeof(struct nvme_passthru_cmd));
		admin_cmd.opcode = WDC_NVME_PURGE_MONITOR_OPCODE;
		admin_cmd.addr = (__u64)(uintptr_t)output;
		admin_cmd.data_len = WDC_NVME_PURGE_MONITOR_DATA_LEN;
		admin_cmd.cdw10 = WDC_NVME_PURGE_MONITOR_CMD_CDW10;
		admin_cmd.timeout_ms = WDC_NVME_PURGE_MONITOR_TIMEOUT;

		ret = nvme_submit_admin_passthru(dev_fd(dev), &admin_cmd,
						 NULL);
		if (!ret) {
			mon = (struct wdc_nvme_purge_monitor_data *) output;
			printf("Purge state = 0x%0x\n", admin_cmd.result);
			printf("%s\n", wdc_purge_mon_status_to_string(admin_cmd.result));
			if (admin_cmd.result == WDC_NVME_PURGE_STATE_BUSY) {
				progress_percent =
					((double)le32_to_cpu(mon->entire_progress_current) * 100) /
					le32_to_cpu(mon->entire_progress_total);
				printf("Purge Progress = %f%%\n", progress_percent);
			}
		}

		nvme_show_status(ret);
	}
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static void wdc_print_log_normal(struct wdc_ssd_perf_stats *perf)
{
	printf("  C1 Log Page Performance Statistics :-\n");
	printf("  Host Read Commands                             %20"PRIu64"\n",
			le64_to_cpu(perf->hr_cmds));
	printf("  Host Read Blocks                               %20"PRIu64"\n",
			le64_to_cpu(perf->hr_blks));
	printf("  Average Read Size                              %20lf\n",
			safe_div_fp((le64_to_cpu(perf->hr_blks)), (le64_to_cpu(perf->hr_cmds))));
	printf("  Host Read Cache Hit Commands                   %20"PRIu64"\n",
			le64_to_cpu(perf->hr_ch_cmds));
	printf("  Host Read Cache Hit_Percentage                 %20"PRIu64"%%\n",
			(uint64_t) calc_percent(le64_to_cpu(perf->hr_ch_cmds), le64_to_cpu(perf->hr_cmds)));
	printf("  Host Read Cache Hit Blocks                     %20"PRIu64"\n",
			le64_to_cpu(perf->hr_ch_blks));
	printf("  Average Read Cache Hit Size                    %20f\n",
			safe_div_fp((le64_to_cpu(perf->hr_ch_blks)), (le64_to_cpu(perf->hr_ch_cmds))));
	printf("  Host Read Commands Stalled                     %20"PRIu64"\n",
			le64_to_cpu(perf->hr_st_cmds));
	printf("  Host Read Commands Stalled Percentage          %20"PRIu64"%%\n",
			(uint64_t)calc_percent((le64_to_cpu(perf->hr_st_cmds)), le64_to_cpu(perf->hr_cmds)));
	printf("  Host Write Commands                            %20"PRIu64"\n",
			le64_to_cpu(perf->hw_cmds));
	printf("  Host Write Blocks                              %20"PRIu64"\n",
			le64_to_cpu(perf->hw_blks));
	printf("  Average Write Size                             %20f\n",
			safe_div_fp((le64_to_cpu(perf->hw_blks)), (le64_to_cpu(perf->hw_cmds))));
	printf("  Host Write Odd Start Commands                  %20"PRIu64"\n",
			le64_to_cpu(perf->hw_os_cmds));
	printf("  Host Write Odd Start Commands Percentage       %20"PRIu64"%%\n",
			(uint64_t)calc_percent((le64_to_cpu(perf->hw_os_cmds)), (le64_to_cpu(perf->hw_cmds))));
	printf("  Host Write Odd End Commands                    %20"PRIu64"\n",
			le64_to_cpu(perf->hw_oe_cmds));
	printf("  Host Write Odd End Commands Percentage         %20"PRIu64"%%\n",
			(uint64_t)calc_percent((le64_to_cpu(perf->hw_oe_cmds)), (le64_to_cpu((perf->hw_cmds)))));
	printf("  Host Write Commands Stalled                    %20"PRIu64"\n",
		le64_to_cpu(perf->hw_st_cmds));
	printf("  Host Write Commands Stalled Percentage         %20"PRIu64"%%\n",
		(uint64_t)calc_percent((le64_to_cpu(perf->hw_st_cmds)), (le64_to_cpu(perf->hw_cmds))));
	printf("  NAND Read Commands                             %20"PRIu64"\n",
		le64_to_cpu(perf->nr_cmds));
	printf("  NAND Read Blocks Commands                      %20"PRIu64"\n",
		le64_to_cpu(perf->nr_blks));
	printf("  Average NAND Read Size                         %20f\n",
		safe_div_fp((le64_to_cpu(perf->nr_blks)), (le64_to_cpu((perf->nr_cmds)))));
	printf("  Nand Write Commands                            %20"PRIu64"\n",
			le64_to_cpu(perf->nw_cmds));
	printf("  NAND Write Blocks                              %20"PRIu64"\n",
			le64_to_cpu(perf->nw_blks));
	printf("  Average NAND Write Size                        %20f\n",
			safe_div_fp((le64_to_cpu(perf->nw_blks)), (le64_to_cpu(perf->nw_cmds))));
	printf("  NAND Read Before Write                         %20"PRIu64"\n",
			le64_to_cpu(perf->nrbw));
}

static void wdc_print_log_json(struct wdc_ssd_perf_stats *perf)
{
	struct json_object *root = json_create_object();

	json_object_add_value_int(root, "Host Read Commands", le64_to_cpu(perf->hr_cmds));
	json_object_add_value_int(root, "Host Read Blocks", le64_to_cpu(perf->hr_blks));
	json_object_add_value_int(root, "Average Read Size",
			safe_div_fp((le64_to_cpu(perf->hr_blks)), (le64_to_cpu(perf->hr_cmds))));
	json_object_add_value_int(root, "Host Read Cache Hit Commands",
			le64_to_cpu(perf->hr_ch_cmds));
	json_object_add_value_int(root, "Host Read Cache Hit Percentage",
			(uint64_t) calc_percent(le64_to_cpu(perf->hr_ch_cmds), le64_to_cpu(perf->hr_cmds)));
	json_object_add_value_int(root, "Host Read Cache Hit Blocks",
			le64_to_cpu(perf->hr_ch_blks));
	json_object_add_value_int(root, "Average Read Cache Hit Size",
			safe_div_fp((le64_to_cpu(perf->hr_ch_blks)), (le64_to_cpu(perf->hr_ch_cmds))));
	json_object_add_value_int(root, "Host Read Commands Stalled",
			le64_to_cpu(perf->hr_st_cmds));
	json_object_add_value_int(root, "Host Read Commands Stalled Percentage",
			(uint64_t)calc_percent((le64_to_cpu(perf->hr_st_cmds)), le64_to_cpu(perf->hr_cmds)));
	json_object_add_value_int(root, "Host Write Commands",
			le64_to_cpu(perf->hw_cmds));
	json_object_add_value_int(root, "Host Write Blocks",
			le64_to_cpu(perf->hw_blks));
	json_object_add_value_int(root, "Average Write Size",
			safe_div_fp((le64_to_cpu(perf->hw_blks)), (le64_to_cpu(perf->hw_cmds))));
	json_object_add_value_int(root, "Host Write Odd Start Commands",
			le64_to_cpu(perf->hw_os_cmds));
	json_object_add_value_int(root, "Host Write Odd Start Commands Percentage",
			(uint64_t)calc_percent((le64_to_cpu(perf->hw_os_cmds)), (le64_to_cpu(perf->hw_cmds))));
	json_object_add_value_int(root, "Host Write Odd End Commands",
			le64_to_cpu(perf->hw_oe_cmds));
	json_object_add_value_int(root, "Host Write Odd End Commands Percentage",
			(uint64_t)calc_percent((le64_to_cpu(perf->hw_oe_cmds)), (le64_to_cpu((perf->hw_cmds)))));
	json_object_add_value_int(root, "Host Write Commands Stalled",
		le64_to_cpu(perf->hw_st_cmds));
	json_object_add_value_int(root, "Host Write Commands Stalled Percentage",
		(uint64_t)calc_percent((le64_to_cpu(perf->hw_st_cmds)), (le64_to_cpu(perf->hw_cmds))));
	json_object_add_value_int(root, "NAND Read Commands",
		le64_to_cpu(perf->nr_cmds));
	json_object_add_value_int(root, "NAND Read Blocks Commands",
		le64_to_cpu(perf->nr_blks));
	json_object_add_value_int(root, "Average NAND Read Size",
		safe_div_fp((le64_to_cpu(perf->nr_blks)), (le64_to_cpu((perf->nr_cmds)))));
	json_object_add_value_int(root, "Nand Write Commands",
			le64_to_cpu(perf->nw_cmds));
	json_object_add_value_int(root, "NAND Write Blocks",
			le64_to_cpu(perf->nw_blks));
	json_object_add_value_int(root, "Average NAND Write Size",
			safe_div_fp((le64_to_cpu(perf->nw_blks)), (le64_to_cpu(perf->nw_cmds))));
	json_object_add_value_int(root, "NAND Read Before Written",
			le64_to_cpu(perf->nrbw));
	json_print_object(root, NULL);
	printf("\n");
	json_free_object(root);
}

static int wdc_print_log(struct wdc_ssd_perf_stats *perf, int fmt)
{
	if (!perf) {
		fprintf(stderr, "ERROR: WDC: Invalid buffer to read perf stats\n");
		return -1;
	}
	switch (fmt) {
	case NORMAL:
		wdc_print_log_normal(perf);
		break;
	case JSON:
		wdc_print_log_json(perf);
		break;
	}
	return 0;
}

static int wdc_print_latency_monitor_log_normal(struct nvme_dev *dev,
						struct wdc_ssd_latency_monitor_log *log_data)
{
	printf("Latency Monitor/C3 Log Page Data\n");
	printf("  Controller   :  %s\n", dev->name);
	int err = -1, i, j;
	struct nvme_id_ctrl ctrl;
	char ts_buf[128];

	err = nvme_identify_ctrl(dev_fd(dev), &ctrl);
	if (!err) {
		printf("  Serial Number:  %-.*s\n", (int)sizeof(ctrl.sn), ctrl.sn);
	} else {
		fprintf(stderr, "ERROR: WDC: latency monitor read id ctrl failure, err = %d\n", err);
		return err;
	}

	printf("  Feature Status                     0x%x\n", log_data->feature_status);
	printf("  Active Bucket Timer                %d min\n", 5*le16_to_cpu(log_data->active_bucket_timer));
	printf("  Active Bucket Timer Threshold      %d min\n", 5*le16_to_cpu(log_data->active_bucket_timer_threshold));
	printf("  Active Threshold A                 %d ms\n", 5*(le16_to_cpu(log_data->active_threshold_a+1)));
	printf("  Active Threshold B                 %d ms\n", 5*(le16_to_cpu(log_data->active_threshold_b+1)));
	printf("  Active Threshold C                 %d ms\n", 5*(le16_to_cpu(log_data->active_threshold_c+1)));
	printf("  Active Threshold D                 %d ms\n", 5*(le16_to_cpu(log_data->active_threshold_d+1)));
	printf("  Active Latency Config              0x%x\n", le16_to_cpu(log_data->active_latency_config));
	printf("  Active Latency Minimum Window      %d ms\n", 100*log_data->active_latency_min_window);
	printf("  Active Latency Stamp Units         %d\n", le16_to_cpu(log_data->active_latency_stamp_units));
	printf("  Static Latency Stamp Units         %d\n", le16_to_cpu(log_data->static_latency_stamp_units));
	if (le16_to_cpu(log_data->log_page_version) >= 4)
		printf("  Debug Telemetry Log Size           %"PRIu64"\n",
			le64_to_cpu(*(uint64_t *)log_data->debug_telemetry_log_size));
	printf("  Debug Log Trigger Enable           %d\n",
		le16_to_cpu(log_data->debug_log_trigger_enable));
	printf("  Log Page Version                   %d\n",
		le16_to_cpu(log_data->log_page_version));
	printf("  Log page GUID			     0x");
	for (j = 0; j < WDC_C3_GUID_LENGTH; j++)
		printf("%x", log_data->log_page_guid[j]);
	printf("\n");

	printf("                                                            Read                           Write                 Deallocate/Trim\n");
	for (i = 0; i <= 3; i++)
		printf("  Active Bucket Counter: Bucket %d    %27d     %27d     %27d\n",
			i, le32_to_cpu(log_data->active_bucket_counter[i][WDC_LATENCY_LOG_BUCKET_READ]),
			le32_to_cpu(log_data->active_bucket_counter[i][WDC_LATENCY_LOG_BUCKET_WRITE]),
			le32_to_cpu(log_data->active_bucket_counter[i][WDC_LATENCY_LOG_BUCKET_TRIM]));

	for (i = 3; i >= 0; i--)
		printf("  Active Measured Latency: Bucket %d  %27d ms  %27d ms  %27d ms\n",
			3-i, le16_to_cpu(log_data->active_measured_latency[i][WDC_LATENCY_LOG_MEASURED_LAT_READ]),
			le16_to_cpu(log_data->active_measured_latency[i][WDC_LATENCY_LOG_MEASURED_LAT_WRITE]),
			le16_to_cpu(log_data->active_measured_latency[i][WDC_LATENCY_LOG_MEASURED_LAT_TRIM]));

	for (i = 3; i >= 0; i--) {
		printf("  Active Latency Time Stamp: Bucket %d    ", 3-i);
		for (j = 2; j >= 0; j--) {
			if (le64_to_cpu(log_data->active_latency_timestamp[i][j]) == -1) {
				printf("                    N/A         ");
			} else {
				convert_ts(le64_to_cpu(log_data->active_latency_timestamp[i][j]), ts_buf);
				printf("%s     ", ts_buf);
			}
		}
		printf("\n");
	}

	for (i = 0; i <= 3; i++)
		printf("  Static Bucket Counter: Bucket %d    %27d     %27d     %27d\n",
			i, le32_to_cpu(log_data->static_bucket_counter[i][WDC_LATENCY_LOG_BUCKET_READ]),
			le32_to_cpu(log_data->static_bucket_counter[i][WDC_LATENCY_LOG_BUCKET_WRITE]),
			le32_to_cpu(log_data->static_bucket_counter[i][WDC_LATENCY_LOG_BUCKET_TRIM]));

	for (i = 3; i >= 0; i--)
		printf("  Static Measured Latency: Bucket %d  %27d ms  %27d ms  %27d ms\n",
			3-i, le16_to_cpu(log_data->static_measured_latency[i][WDC_LATENCY_LOG_MEASURED_LAT_READ]),
			le16_to_cpu(log_data->static_measured_latency[i][WDC_LATENCY_LOG_MEASURED_LAT_WRITE]),
			le16_to_cpu(log_data->static_measured_latency[i][WDC_LATENCY_LOG_MEASURED_LAT_TRIM]));

	for (i = 3; i >= 0; i--) {
		printf("  Static Latency Time Stamp: Bucket %d    ", 3-i);
		for (j = 2; j >= 0; j--) {
			if (le64_to_cpu(log_data->static_latency_timestamp[i][j]) == -1) {
				printf("                    N/A         ");
			} else {
				convert_ts(le64_to_cpu(log_data->static_latency_timestamp[i][j]), ts_buf);
				printf("%s     ", ts_buf);
			}
		}
		printf("\n");
	}

	return 0;
}

static void wdc_print_latency_monitor_log_json(struct wdc_ssd_latency_monitor_log *log_data)
{
	int i, j;
	char buf[128];
	char *operation[3] = {"Read", "Write", "Trim"};
	struct json_object *root = json_create_object();

	json_object_add_value_int(root, "Feature Status", log_data->feature_status);
	json_object_add_value_int(root, "Active Bucket Timer", 5*le16_to_cpu(log_data->active_bucket_timer));
	json_object_add_value_int(root, "Active Bucket Timer Threshold", 5*le16_to_cpu(log_data->active_bucket_timer_threshold));
	json_object_add_value_int(root, "Active Threshold A", 5*le16_to_cpu(log_data->active_threshold_a+1));
	json_object_add_value_int(root, "Active Threshold B", 5*le16_to_cpu(log_data->active_threshold_b+1));
	json_object_add_value_int(root, "Active Threshold C", 5*le16_to_cpu(log_data->active_threshold_c+1));
	json_object_add_value_int(root, "Active Threshold D", 5*le16_to_cpu(log_data->active_threshold_d+1));
	json_object_add_value_int(root, "Active Latency Config", le16_to_cpu(log_data->active_latency_config));
	json_object_add_value_int(root, "Active Lantency Minimum Window", 100*log_data->active_latency_min_window);
	json_object_add_value_int(root, "Active Latency Stamp Units", le16_to_cpu(log_data->active_latency_stamp_units));
	json_object_add_value_int(root, "Static Latency Stamp Units", le16_to_cpu(log_data->static_latency_stamp_units));
	if (le16_to_cpu(log_data->log_page_version) >= 4) {
		json_object_add_value_int(root, "Debug Telemetry Log Size",
		le64_to_cpu(*(uint64_t *)log_data->debug_telemetry_log_size));
	}
	json_object_add_value_int(root, "Debug Log Trigger Enable",
		le16_to_cpu(log_data->debug_log_trigger_enable));
	json_object_add_value_int(root, "Log Page Version",
		le16_to_cpu(log_data->log_page_version));

	char guid[40];

	memset((void *)guid, 0, 40);
	sprintf((char *)guid, "0x%"PRIx64"%"PRIx64"",
		(uint64_t)le64_to_cpu(*(uint64_t *)&log_data->log_page_guid[8]),
		(uint64_t)le64_to_cpu(*(uint64_t *)&log_data->log_page_guid[0]));
	json_object_add_value_string(root, "Log page GUID", guid);

	for (i = 0; i <= 3; i++) {
		for (j = 2; j >= 0; j--) {
			sprintf(buf, "Active Bucket Counter: Bucket %d %s", i, operation[2-j]);
			json_object_add_value_int(root, buf, le32_to_cpu(log_data->active_bucket_counter[i][j+1]));
		}
	}
	for (i = 3; i >= 0; i--) {
		for (j = 2; j >= 0; j--) {
			sprintf(buf, "Active Measured Latency: Bucket %d %s", 3-i, operation[2-j]);
			json_object_add_value_int(root, buf, le16_to_cpu(log_data->active_measured_latency[i][j]));
		}
	}
	for (i = 3; i >= 0; i--) {
		for (j = 2; j >= 0; j--) {
			sprintf(buf, "Active Latency Time Stamp: Bucket %d %s", 3-i, operation[2-j]);
			json_object_add_value_int(root, buf, le64_to_cpu(log_data->active_latency_timestamp[i][j]));
		}
	}
	for (i = 0; i <= 3; i++) {
		for (j = 2; j >= 0; j--) {
			sprintf(buf, "Static Bucket Counter: Bucket %d %s", i, operation[2-j]);
			json_object_add_value_int(root, buf, le32_to_cpu(log_data->static_bucket_counter[i][j+1]));
		}
	}
	for (i = 3; i >= 0; i--) {
		for (j = 2; j >= 0; j--) {
			sprintf(buf, "Static Measured Latency: Bucket %d %s", 3-i, operation[2-j]);
			json_object_add_value_int(root, buf, le16_to_cpu(log_data->static_measured_latency[i][j]));
		}
	}
	for (i = 3; i >= 0; i--) {
		for (j = 2; j >= 0; j--) {
			sprintf(buf, "Static Latency Time Stamp: Bucket %d %s", 3-i, operation[2-j]);
			json_object_add_value_int(root, buf, le64_to_cpu(log_data->static_latency_timestamp[i][j]));
		}
	}

	json_print_object(root, NULL);
	printf("\n");

	json_free_object(root);
}

static void wdc_print_error_rec_log_normal(struct wdc_ocp_c1_error_recovery_log *log_data)
{
	int j;

	printf("Error Recovery/C1 Log Page Data\n");

	printf("  Panic Reset Wait Time             : 0x%x\n", le16_to_cpu(log_data->panic_reset_wait_time));
	printf("  Panic Reset Action                : 0x%x\n", log_data->panic_reset_action);
	printf("  Device Recovery Action 1          : 0x%x\n", log_data->dev_recovery_action1);
	printf("  Panic ID                          : 0x%" PRIu64 "\n", le64_to_cpu(log_data->panic_id));
	printf("  Device Capabilities               : 0x%x\n", le32_to_cpu(log_data->dev_capabilities));
	printf("  Vendor Specific Recovery Opcode   : 0x%x\n", log_data->vs_recovery_opc);
	printf("  Vendor Specific Command CDW12     : 0x%x\n", le32_to_cpu(log_data->vs_cmd_cdw12));
	printf("  Vendor Specific Command CDW13     : 0x%x\n", le32_to_cpu(log_data->vs_cmd_cdw13));
	if (le16_to_cpu(log_data->log_page_version) >= 2) {
		printf("  Vendor Specific Command Timeout   : 0x%x\n", log_data->vs_cmd_to);
		printf("  Device Recovery Action 2          : 0x%x\n", log_data->dev_recovery_action2);
		printf("  Device Recovery Action 2 Timeout  : 0x%x\n", log_data->dev_recovery_action2_to);
	}
	if (le16_to_cpu(log_data->log_page_version) >= 3) {
		printf("  Panic Count                       : 0x%x\n", log_data->panic_count);
		for (j = 0; j < 4; j++)
			printf("  Previous Panic ID N-%d            : 0x%"PRIx64"\n",
				j+1, le64_to_cpu(log_data->prev_panic_ids[j]));
	}
	printf("  Log Page Version                  : 0x%x\n",
		le16_to_cpu(log_data->log_page_version));
	printf("  Log page GUID	                    : 0x");
	for (j = 0; j < WDC_OCP_C1_GUID_LENGTH; j++)
		printf("%x", log_data->log_page_guid[j]);
	printf("\n");
}

static void wdc_print_error_rec_log_json(struct wdc_ocp_c1_error_recovery_log *log_data)
{
	int j;
	char	buf[128];
	struct json_object *root = json_create_object();

	json_object_add_value_int(root, "Panic Reset Wait Time", le16_to_cpu(log_data->panic_reset_wait_time));
	json_object_add_value_int(root, "Panic Reset Action", log_data->panic_reset_wait_time);
	json_object_add_value_int(root, "Device Recovery Action 1", log_data->dev_recovery_action1);
	json_object_add_value_int(root, "Panic ID", le64_to_cpu(log_data->panic_id));
	json_object_add_value_int(root, "Device Capabilities", le32_to_cpu(log_data->dev_capabilities));
	json_object_add_value_int(root, "Vendor Specific Recovery Opcode", log_data->vs_recovery_opc);
	json_object_add_value_int(root, "Vendor Specific Command CDW12", le32_to_cpu(log_data->vs_cmd_cdw12));
	json_object_add_value_int(root, "Vendor Specific Command CDW13", le32_to_cpu(log_data->vs_cmd_cdw13));
	if (le16_to_cpu(log_data->log_page_version) >= 2) {
		json_object_add_value_int(root, "Vendor Specific Command Timeout", log_data->vs_cmd_to);
		json_object_add_value_int(root, "Device Recovery Action 2", log_data->dev_recovery_action2);
		json_object_add_value_int(root, "Device Recovery Action 2 Timeout", log_data->dev_recovery_action2_to);
	}
	if (le16_to_cpu(log_data->log_page_version) >= 3) {
		json_object_add_value_int(root, "Panic Count", log_data->panic_count);
		for (j = 0; j < 4; j++) {
			sprintf(buf, "Previous Panic ID N-%d", j+1);
			json_object_add_value_int(root, buf,
				le64_to_cpu(log_data->prev_panic_ids[j]));
		}
	}
	json_object_add_value_int(root, "Log Page Version",
		le16_to_cpu(log_data->log_page_version));

	char guid[40];

	memset((void *)guid, 0, 40);
	sprintf((char *)guid, "0x%"PRIx64"%"PRIx64"",
		(uint64_t)le64_to_cpu(*(uint64_t *)&log_data->log_page_guid[8]),
		(uint64_t)le64_to_cpu(*(uint64_t *)&log_data->log_page_guid[0]));
	json_object_add_value_string(root, "Log page GUID", guid);

	json_print_object(root, NULL);
	printf("\n");

	json_free_object(root);
}

static void wdc_print_dev_cap_log_normal(struct wdc_ocp_C4_dev_cap_log *log_data)
{
	int j;

	printf("Device Capabilities/C4 Log Page Data\n");

	printf("  Number PCIE Ports			: 0x%x\n", le16_to_cpu(log_data->num_pcie_ports));
	printf("  Number OOB Management Interfaces	: 0x%x\n", le16_to_cpu(log_data->oob_mgmt_support));
	printf("  Write Zeros Command Support		: 0x%x\n", le16_to_cpu(log_data->wrt_zeros_support));
	printf("  Sanitize Command Support		: 0x%x\n", le16_to_cpu(log_data->sanitize_support));
	printf("  DSM Command Support			: 0x%x\n", le16_to_cpu(log_data->dsm_support));
	printf("  Write Uncorr Command Support		: 0x%x\n", le16_to_cpu(log_data->wrt_uncor_support));
	printf("  Fused Command Support			: 0x%x\n", le16_to_cpu(log_data->fused_support));
	printf("  Minimum DSSD Power State		: 0x%x\n", le16_to_cpu(log_data->min_dssd_ps));

	for (j = 0; j < WDC_OCP_C4_NUM_PS_DESCR; j++)
		printf("  DSSD Power State %d Descriptor	: 0x%x\n", j, log_data->dssd_ps_descr[j]);

	printf("  Log Page Version			: 0x%x\n", le16_to_cpu(log_data->log_page_version));
	printf("  Log page GUID				: 0x");
	for (j = 0; j < WDC_OCP_C4_GUID_LENGTH; j++)
		printf("%x", log_data->log_page_guid[j]);
	printf("\n");
}

static void wdc_print_dev_cap_log_json(struct wdc_ocp_C4_dev_cap_log *log_data)
{
	int j;
	struct json_object *root = json_create_object();

	json_object_add_value_int(root, "Number PCIE Ports", le16_to_cpu(log_data->num_pcie_ports));
	json_object_add_value_int(root, "Number OOB Management Interfaces", le16_to_cpu(log_data->num_pcie_ports));
	json_object_add_value_int(root, "Write Zeros Command Support", le16_to_cpu(log_data->num_pcie_ports));
	json_object_add_value_int(root, "Sanitize Command Support", le16_to_cpu(log_data->num_pcie_ports));
	json_object_add_value_int(root, "DSM Command Support", le16_to_cpu(log_data->num_pcie_ports));
	json_object_add_value_int(root, "Write Uncorr Command Support", le16_to_cpu(log_data->num_pcie_ports));
	json_object_add_value_int(root, "Fused Command Support", le16_to_cpu(log_data->num_pcie_ports));
	json_object_add_value_int(root, "Minimum DSSD Power State", le16_to_cpu(log_data->num_pcie_ports));

	char dssd_descr_str[40];

	memset((void *)dssd_descr_str, 0, 40);
	for (j = 0; j < WDC_OCP_C4_NUM_PS_DESCR; j++) {
		sprintf((char *)dssd_descr_str, "DSSD Power State %d Descriptor", j);
		json_object_add_value_int(root, dssd_descr_str, log_data->dssd_ps_descr[j]);
	}

	json_object_add_value_int(root, "Log Page Version", le16_to_cpu(log_data->log_page_version));
	char guid[40];

	memset((void *)guid, 0, 40);
	sprintf((char *)guid, "0x%"PRIx64"%"PRIx64"",
		(uint64_t)le64_to_cpu(*(uint64_t *)&log_data->log_page_guid[8]),
		(uint64_t)le64_to_cpu(*(uint64_t *)&log_data->log_page_guid[0]));
	json_object_add_value_string(root, "Log page GUID", guid);

	json_print_object(root, NULL);
	printf("\n");

	json_free_object(root);
}

static void wdc_print_unsupported_reqs_log_normal(struct wdc_ocp_C5_unsupported_reqs *log_data)
{
	int j;

	printf("Unsupported Requirements/C5 Log Page Data\n");

	printf("  Number Unsupported Req IDs		: 0x%x\n",
	       le16_to_cpu(log_data->unsupported_count));

	for (j = 0; j < le16_to_cpu(log_data->unsupported_count); j++)
		printf("  Unsupported Requirement List %d	: %s\n", j,
		       log_data->unsupported_req_list[j]);

	printf("  Log Page Version			: 0x%x\n", le16_to_cpu(log_data->log_page_version));
	printf("  Log page GUID				: 0x");
	for (j = 0; j < WDC_OCP_C5_GUID_LENGTH; j++)
		printf("%x", log_data->log_page_guid[j]);
	printf("\n");
}

static void wdc_print_unsupported_reqs_log_json(struct wdc_ocp_C5_unsupported_reqs *log_data)
{
	int j;
	struct json_object *root = json_create_object();

	json_object_add_value_int(root, "Number Unsupported Req IDs", le16_to_cpu(log_data->unsupported_count));

	char unsup_req_list_str[40];

	memset((void *)unsup_req_list_str, 0, 40);
	for (j = 0; j < le16_to_cpu(log_data->unsupported_count); j++) {
		sprintf((char *)unsup_req_list_str, "Unsupported Requirement List %d", j);
		json_object_add_value_string(root, unsup_req_list_str, (char *)log_data->unsupported_req_list[j]);
	}

	json_object_add_value_int(root, "Log Page Version",
				  le16_to_cpu(log_data->log_page_version));
	char guid[40];

	memset((void *)guid, 0, 40);
	sprintf((char *)guid, "0x%"PRIx64"%"PRIx64"",
		(uint64_t)le64_to_cpu(*(uint64_t *)&log_data->log_page_guid[8]),
		(uint64_t)le64_to_cpu(*(uint64_t *)&log_data->log_page_guid[0]));
	json_object_add_value_string(root, "Log page GUID", guid);

	json_print_object(root, NULL);
	printf("\n");

	json_free_object(root);
}

static void wdc_print_fb_ca_log_normal(struct wdc_ssd_ca_perf_stats *perf)
{
	uint64_t converted = 0;

	printf("  CA Log Page Performance Statistics :-\n");
	printf("  NAND Bytes Written                             %20"PRIu64 "%20"PRIu64"\n",
			le64_to_cpu(perf->nand_bytes_wr_hi), le64_to_cpu(perf->nand_bytes_wr_lo));
	printf("  NAND Bytes Read                                %20"PRIu64 "%20"PRIu64"\n",
			le64_to_cpu(perf->nand_bytes_rd_hi), le64_to_cpu(perf->nand_bytes_rd_lo));

	converted = le64_to_cpu(perf->nand_bad_block);
	printf("  NAND Bad Block Count (Normalized)              %20"PRIu64"\n",
			converted & 0xFFFF);
	printf("  NAND Bad Block Count (Raw)                     %20"PRIu64"\n",
			converted >> 16);

	printf("  Uncorrectable Read Count                       %20"PRIu64"\n",
			le64_to_cpu(perf->uncorr_read_count));
	printf("  Soft ECC Error Count                           %20"PRIu64"\n",
			le64_to_cpu(perf->ecc_error_count));
	printf("  SSD End to End Detected Correction Count       %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->ssd_detect_count));
	printf("  SSD End to End Corrected Correction Count      %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->ssd_correct_count));
	printf("  System Data Percent Used                       %20"PRIu32"%%\n",
			perf->data_percent_used);
	printf("  User Data Erase Counts Max                     %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->data_erase_max));
	printf("  User Data Erase Counts Min                     %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->data_erase_min));
	printf("  Refresh Count                                  %20"PRIu64"\n",
			le64_to_cpu(perf->refresh_count));

	converted = le64_to_cpu(perf->program_fail);
	printf("  Program Fail Count (Normalized)                %20"PRIu64"\n",
			converted & 0xFFFF);
	printf("  Program Fail Count (Raw)                       %20"PRIu64"\n",
			converted >> 16);

	converted = le64_to_cpu(perf->user_erase_fail);
	printf("  User Data Erase Fail Count (Normalized)        %20"PRIu64"\n",
			converted & 0xFFFF);
	printf("  User Data Erase Fail Count (Raw)               %20"PRIu64"\n",
			converted >> 16);

	converted = le64_to_cpu(perf->system_erase_fail);
	printf("  System Area Erase Fail Count (Normalized)      %20"PRIu64"\n",
			converted & 0xFFFF);
	printf("  System Area Erase Fail Count (Raw)             %20"PRIu64"\n",
			converted >> 16);

	printf("  Thermal Throttling Status                      %20"PRIu8"\n",
			perf->thermal_throttle_status);
	printf("  Thermal Throttling Count                       %20"PRIu8"\n",
			perf->thermal_throttle_count);
	printf("  PCIe Correctable Error Count                   %20"PRIu64"\n",
			le64_to_cpu(perf->pcie_corr_error));
	printf("  Incomplete Shutdown Count                      %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->incomplete_shutdown_count));
	printf("  Percent Free Blocks                            %20"PRIu32"%%\n",
			perf->percent_free_blocks);
}

static void wdc_print_fb_ca_log_json(struct wdc_ssd_ca_perf_stats *perf)
{
	struct json_object *root = json_create_object();
	uint64_t converted = 0;

	json_object_add_value_int(root, "NAND Bytes Written Hi", le64_to_cpu(perf->nand_bytes_wr_hi));
	json_object_add_value_int(root, "NAND Bytes Written Lo", le64_to_cpu(perf->nand_bytes_wr_lo));
	json_object_add_value_int(root, "NAND Bytes Read Hi", le64_to_cpu(perf->nand_bytes_rd_hi));
	json_object_add_value_int(root, "NAND Bytes Read Lo", le64_to_cpu(perf->nand_bytes_rd_lo));

	converted = le64_to_cpu(perf->nand_bad_block);
	json_object_add_value_int(root, "NAND Bad Block Count (Normalized)",
			converted & 0xFFFF);
	json_object_add_value_int(root, "NAND Bad Block Count (Raw)",
			converted >> 16);

	json_object_add_value_int(root, "Uncorrectable Read Count", le64_to_cpu(perf->uncorr_read_count));
	json_object_add_value_int(root, "Soft ECC Error Count",	le64_to_cpu(perf->ecc_error_count));
	json_object_add_value_int(root, "SSD End to End Detected Correction Count",
			le32_to_cpu(perf->ssd_detect_count));
	json_object_add_value_int(root, "SSD End to End Corrected Correction Count",
			le32_to_cpu(perf->ssd_correct_count));
	json_object_add_value_int(root, "System Data Percent Used",
			perf->data_percent_used);
	json_object_add_value_int(root, "User Data Erase Counts Max",
			le32_to_cpu(perf->data_erase_max));
	json_object_add_value_int(root, "User Data Erase Counts Min",
			le32_to_cpu(perf->data_erase_min));
	json_object_add_value_int(root, "Refresh Count", le64_to_cpu(perf->refresh_count));

	converted = le64_to_cpu(perf->program_fail);
	json_object_add_value_int(root, "Program Fail Count (Normalized)",
			converted & 0xFFFF);
	json_object_add_value_int(root, "Program Fail Count (Raw)",
			converted >> 16);

	converted = le64_to_cpu(perf->user_erase_fail);
	json_object_add_value_int(root, "User Data Erase Fail Count (Normalized)",
			converted & 0xFFFF);
	json_object_add_value_int(root, "User Data Erase Fail Count (Raw)",
			converted >> 16);

	converted = le64_to_cpu(perf->system_erase_fail);
	json_object_add_value_int(root, "System Area Erase Fail Count (Normalized)",
			converted & 0xFFFF);
	json_object_add_value_int(root, "System Area Erase Fail Count (Raw)",
			converted >> 16);

	json_object_add_value_int(root, "Thermal Throttling Status",
			perf->thermal_throttle_status);
	json_object_add_value_int(root, "Thermal Throttling Count",
			perf->thermal_throttle_count);
	json_object_add_value_int(root, "PCIe Correctable Error", le64_to_cpu(perf->pcie_corr_error));
	json_object_add_value_int(root, "Incomplete Shutdown Counte", le32_to_cpu(perf->incomplete_shutdown_count));
	json_object_add_value_int(root, "Percent Free Blocks", perf->percent_free_blocks);
	json_print_object(root, NULL);
	printf("\n");
	json_free_object(root);
}

static void wdc_print_bd_ca_log_normal(struct nvme_dev *dev, void *data)
{
	struct wdc_bd_ca_log_format *bd_data = (struct wdc_bd_ca_log_format *)data;
	__u64 *raw;
	__u16 *word_raw1, *word_raw2, *word_raw3;
	__u32  *dword_raw;
	__u8  *byte_raw;

	if (bd_data->field_id == 0x00) {
		raw = (__u64 *)&bd_data->raw_value[0];
		printf("Additional Smart Log for NVME device:%s namespace-id:%x\n", dev->name,
		       WDC_DE_GLOBAL_NSID);
		printf("key                               normalized raw\n");
		printf("program_fail_count              : %3"PRIu8"%%       %"PRIu64"\n",
		       bd_data->normalized_value, le64_to_cpu(*raw & 0x00FFFFFFFFFFFFFF));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x01) {
		raw = (__u64 *)&bd_data->raw_value[0];
		printf("erase_fail_count                : %3"PRIu8"%%       %"PRIu64"\n",
				bd_data->normalized_value, le64_to_cpu(*raw & 0x00FFFFFFFFFFFFFF));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x02) {
		word_raw1 = (__u16 *)&bd_data->raw_value[1];
		word_raw2 = (__u16 *)&bd_data->raw_value[3];
		word_raw3 = (__u16 *)&bd_data->raw_value[5];
		printf("wear_leveling                   : %3"PRIu8"%%       min: %"PRIu16", max: %"PRIu16", avg: %"PRIu16"\n",
				bd_data->normalized_value,
				le16_to_cpu(*word_raw1),
				le16_to_cpu(*word_raw2),
				le16_to_cpu(*word_raw3));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x03) {
		raw = (__u64 *)&bd_data->raw_value[0];
		printf("end_to_end_error_detection_count: %3"PRIu8"%%       %"PRIu64"\n",
				bd_data->normalized_value, le64_to_cpu(*raw & 0x00FFFFFFFFFFFFFF));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x04) {
		raw = (__u64 *)&bd_data->raw_value[0];
		printf("crc_error_count                 : %3"PRIu8"%%       %"PRIu64"\n",
			   bd_data->normalized_value, le64_to_cpu(*raw & 0x00FFFFFFFFFFFFFF));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x05) {
		raw = (__u64 *)&bd_data->raw_value[0];
		printf("timed_workload_media_wear       : %3"PRIu8"%%       %-.3f%%\n",
		       bd_data->normalized_value, safe_div_fp((*raw & 0x00FFFFFFFFFFFFFF), 1024.0));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x06) {
		raw = (__u64 *)&bd_data->raw_value[0];
		printf("timed_workload_host_reads       : %3"PRIu8"%%       %"PRIu64"%%\n",
		       bd_data->normalized_value, le64_to_cpu(*raw & 0x00FFFFFFFFFFFFFF));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x07) {
		raw = (__u64 *)&bd_data->raw_value[0];
		printf("timed_workload_timer            : %3"PRIu8"%%       %"PRIu64"\n",
		       bd_data->normalized_value, le64_to_cpu(*raw & 0x00FFFFFFFFFFFFFF));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x08) {
		byte_raw = (__u8 *)&bd_data->raw_value[1];
		dword_raw = (__u32 *)&bd_data->raw_value[2];
		printf("thermal_throttle_status         : %3"PRIu8"%%       %"PRIu16"%%, cnt: %"PRIu16"\n",
		       bd_data->normalized_value, *byte_raw, le32_to_cpu(*dword_raw));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x09) {
		raw = (__u64 *)&bd_data->raw_value[0];
		printf("retry_buffer_overflow_count     : %3"PRIu8"%%       %"PRIu64"\n",
		       bd_data->normalized_value, le64_to_cpu(*raw & 0x00FFFFFFFFFFFFFF));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x0A) {
		raw = (__u64 *)&bd_data->raw_value[0];
		printf("pll_lock_loss_count             : %3"PRIu8"%%       %"PRIu64"\n",
			   bd_data->normalized_value, le64_to_cpu(*raw & 0x00FFFFFFFFFFFFFF));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x0B) {
		raw = (__u64 *)&bd_data->raw_value[0];
		printf("nand_bytes_written              : %3"PRIu8"%%       sectors: %.f\n",
			   bd_data->normalized_value, safe_div_fp((*raw & 0x00FFFFFFFFFFFFFF), 0xFFFF));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x0C) {
		raw = (__u64 *)&bd_data->raw_value[0];
		printf("host_bytes_written              : %3"PRIu8"%%       sectors: %.f\n",
			   bd_data->normalized_value, safe_div_fp((*raw & 0x00FFFFFFFFFFFFFF), 0xFFFF));
	} else {
		goto invalid_id;
	}

	goto done;

invalid_id:
	printf("  Invalid Field ID = %d\n", bd_data->field_id);

done:
	return;

}

static void wdc_print_bd_ca_log_json(void *data)
{
	struct wdc_bd_ca_log_format *bd_data = (struct wdc_bd_ca_log_format *)data;
	__u64 *raw;
	__u16 *word_raw;
	__u32  *dword_raw;
	__u8  *byte_raw;
	struct json_object *root = json_create_object();

	if (bd_data->field_id == 0x00) {
		raw = (__u64 *)&bd_data->raw_value[0];
		json_object_add_value_int(root, "program_fail_count normalized",
				bd_data->normalized_value);
		json_object_add_value_int(root, "program_fail_count raw",
				le64_to_cpu(*raw & 0x00FFFFFFFFFFFFFF));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x01) {
		raw = (__u64 *)&bd_data->raw_value[0];
		json_object_add_value_int(root, "erase_fail_count normalized",
				bd_data->normalized_value);
		json_object_add_value_int(root, "erase_fail_count raw",
				le64_to_cpu(*raw & 0x00FFFFFFFFFFFFFF));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x02) {
		word_raw = (__u16 *)&bd_data->raw_value[1];
		json_object_add_value_int(root, "wear_leveling normalized",	bd_data->normalized_value);
		json_object_add_value_int(root, "wear_leveling min", le16_to_cpu(*word_raw));
		word_raw = (__u16 *)&bd_data->raw_value[3];
		json_object_add_value_int(root, "wear_leveling max", le16_to_cpu(*word_raw));
		word_raw = (__u16 *)&bd_data->raw_value[5];
		json_object_add_value_int(root, "wear_leveling avg", le16_to_cpu(*word_raw));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x03) {
		raw = (__u64 *)&bd_data->raw_value[0];
		json_object_add_value_int(root, "end_to_end_error_detection_count normalized",
				bd_data->normalized_value);
		json_object_add_value_int(root, "end_to_end_error_detection_count raw",
				le64_to_cpu(*raw & 0x00FFFFFFFFFFFFFF));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x04) {
		raw = (__u64 *)&bd_data->raw_value[0];
		json_object_add_value_int(root, "crc_error_count normalized",
				bd_data->normalized_value);
		json_object_add_value_int(root, "crc_error_count raw",
				le64_to_cpu(*raw & 0x00FFFFFFFFFFFFFF));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x05) {
		raw = (__u64 *)&bd_data->raw_value[0];
		json_object_add_value_int(root, "timed_workload_media_wear normalized",
				bd_data->normalized_value);
		json_object_add_value_double(root, "timed_workload_media_wear raw",
				safe_div_fp((*raw & 0x00FFFFFFFFFFFFFF), 1024.0));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x06) {
		raw = (__u64 *)&bd_data->raw_value[0];
		json_object_add_value_int(root, "timed_workload_host_reads normalized",
				bd_data->normalized_value);
		json_object_add_value_int(root, "timed_workload_host_reads raw",
				le64_to_cpu(*raw & 0x00000000000000FF));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x07) {
		raw = (__u64 *)&bd_data->raw_value[0];
		json_object_add_value_int(root, "timed_workload_timer normalized",
					  bd_data->normalized_value);
		json_object_add_value_int(root, "timed_workload_timer",
					  le64_to_cpu(*raw & 0x00FFFFFFFFFFFFFF));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x08) {
		byte_raw = (__u8 *)&bd_data->raw_value[1];
		json_object_add_value_int(root, "thermal_throttle_status normalized",
				bd_data->normalized_value);
		json_object_add_value_int(root, "thermal_throttle_status", *byte_raw);
		dword_raw = (__u32 *)&bd_data->raw_value[2];
		json_object_add_value_int(root, "thermal_throttle_cnt",	le32_to_cpu(*dword_raw));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x09) {
		raw = (__u64 *)&bd_data->raw_value[0];
		json_object_add_value_int(root, "retry_buffer_overflow_count normalized",
				bd_data->normalized_value);
		json_object_add_value_int(root, "retry_buffer_overflow_count raw",
				le64_to_cpu(*raw & 0x00FFFFFFFFFFFFFF));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x0A) {
		raw = (__u64 *)&bd_data->raw_value[0];
		json_object_add_value_int(root, "pll_lock_loss_count normalized",
				bd_data->normalized_value);
		json_object_add_value_int(root, "pll_lock_loss_count raw",
				le64_to_cpu(*raw & 0x00FFFFFFFFFFFFFF));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x0B) {
		raw = (__u64 *)&bd_data->raw_value[0];
		json_object_add_value_int(root, "nand_bytes_written normalized",
				bd_data->normalized_value);
		json_object_add_value_double(root, "nand_bytes_written raw",
				safe_div_fp((*raw & 0x00FFFFFFFFFFFFFF), 0xFFFF));
	} else {
		goto invalid_id;
	}
	bd_data++;
	if (bd_data->field_id == 0x0C) {
		raw = (__u64 *)&bd_data->raw_value[0];
		json_object_add_value_int(root, "host_bytes_written normalized",
				bd_data->normalized_value);
		json_object_add_value_double(root, "host_bytes_written raw",
				safe_div_fp((*raw & 0x00FFFFFFFFFFFFFF), 0xFFFF));
	} else {
		goto invalid_id;
	}

	goto done;

invalid_id:
	printf("  Invalid Field ID = %d\n", bd_data->field_id);

done:
	json_print_object(root, NULL);
	printf("\n");
	json_free_object(root);

	return;

}

static void wdc_print_d0_log_normal(struct wdc_ssd_d0_smart_log *perf)
{
	printf("  D0 Smart Log Page Statistics :-\n");
	printf("  Lifetime Reallocated Erase Block Count	 %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->lifetime_realloc_erase_block_count));
	printf("  Lifetime Power on Hours			 %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->lifetime_power_on_hours));
	printf("  Lifetime UECC Count	                         %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->lifetime_uecc_count));
	printf("  Lifetime Write Amplification Factor	         %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->lifetime_wrt_amp_factor));
	printf("  Trailing Hour Write Amplification Factor       %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->trailing_hr_wrt_amp_factor));
	printf("  Reserve Erase Block Count	                 %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->reserve_erase_block_count));
	printf("  Lifetime Program Fail Count	                 %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->lifetime_program_fail_count));
	printf("  Lifetime Block Erase Fail Count		 %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->lifetime_block_erase_fail_count));
	printf("  Lifetime Die Failure Count	                 %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->lifetime_die_failure_count));
	printf("  Lifetime Link Rate Downgrade Count	         %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->lifetime_link_rate_downgrade_count));
	printf("  Lifetime Clean Shutdown Count on Power Loss	 %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->lifetime_clean_shutdown_count));
	printf("  Lifetime Unclean Shutdowns on Power Loss	 %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->lifetime_unclean_shutdown_count));
	printf("  Current Temperature                            %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->current_temp));
	printf("  Max Recorded Temperature			 %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->max_recorded_temp));
	printf("  Lifetime Retired Block Count	                 %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->lifetime_retired_block_count));
	printf("  Lifetime Read Disturb Reallocation Events	 %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->lifetime_read_disturb_realloc_events));
	printf("  Lifetime NAND Writes	                         %20"PRIu64"\n",
			le64_to_cpu(perf->lifetime_nand_writes));
	printf("  Capacitor Health			         %20"PRIu32"%%\n",
			(uint32_t)le32_to_cpu(perf->capacitor_health));
	printf("  Lifetime User Writes	                         %20"PRIu64"\n",
			le64_to_cpu(perf->lifetime_user_writes));
	printf("  Lifetime User Reads	                         %20"PRIu64"\n",
			le64_to_cpu(perf->lifetime_user_reads));
	printf("  Lifetime Thermal Throttle Activations	         %20"PRIu32"\n",
			(uint32_t)le32_to_cpu(perf->lifetime_thermal_throttle_act));
	printf("  Percentage of P/E Cycles Remaining             %20"PRIu32"%%\n",
			(uint32_t)le32_to_cpu(perf->percentage_pe_cycles_remaining));
}

static void wdc_print_d0_log_json(struct wdc_ssd_d0_smart_log *perf)
{
	struct json_object *root = json_create_object();

	json_object_add_value_int(root, "Lifetime Reallocated Erase Block Count",
			le32_to_cpu(perf->lifetime_realloc_erase_block_count));
	json_object_add_value_int(root, "Lifetime Power on Hours",
			le32_to_cpu(perf->lifetime_power_on_hours));
	json_object_add_value_int(root, "Lifetime UECC Count",
			le32_to_cpu(perf->lifetime_uecc_count));
	json_object_add_value_int(root, "Lifetime Write Amplification Factor",
			le32_to_cpu(perf->lifetime_wrt_amp_factor));
	json_object_add_value_int(root, "Trailing Hour Write Amplification Factor",
			le32_to_cpu(perf->trailing_hr_wrt_amp_factor));
	json_object_add_value_int(root, "Reserve Erase Block Count",
			le32_to_cpu(perf->reserve_erase_block_count));
	json_object_add_value_int(root, "Lifetime Program Fail Count",
			le32_to_cpu(perf->lifetime_program_fail_count));
	json_object_add_value_int(root, "Lifetime Block Erase Fail Count",
			le32_to_cpu(perf->lifetime_block_erase_fail_count));
	json_object_add_value_int(root, "Lifetime Die Failure Count",
			le32_to_cpu(perf->lifetime_die_failure_count));
	json_object_add_value_int(root, "Lifetime Link Rate Downgrade Count",
			le32_to_cpu(perf->lifetime_link_rate_downgrade_count));
	json_object_add_value_int(root, "Lifetime Clean Shutdown Count on Power Loss",
			le32_to_cpu(perf->lifetime_clean_shutdown_count));
	json_object_add_value_int(root, "Lifetime Unclean Shutdowns on Power Loss",
			le32_to_cpu(perf->lifetime_unclean_shutdown_count));
	json_object_add_value_int(root, "Current Temperature",
			le32_to_cpu(perf->current_temp));
	json_object_add_value_int(root, "Max Recorded Temperature",
			le32_to_cpu(perf->max_recorded_temp));
	json_object_add_value_int(root, "Lifetime Retired Block Count",
			le32_to_cpu(perf->lifetime_retired_block_count));
	json_object_add_value_int(root, "Lifetime Read Disturb Reallocation Events",
			le32_to_cpu(perf->lifetime_read_disturb_realloc_events));
	json_object_add_value_int(root, "Lifetime NAND Writes",
			le64_to_cpu(perf->lifetime_nand_writes));
	json_object_add_value_int(root, "Capacitor Health",
			le32_to_cpu(perf->capacitor_health));
	json_object_add_value_int(root, "Lifetime User Writes",
			le64_to_cpu(perf->lifetime_user_writes));
	json_object_add_value_int(root, "Lifetime User Reads",
			le64_to_cpu(perf->lifetime_user_reads));
	json_object_add_value_int(root, "Lifetime Thermal Throttle Activations",
			le32_to_cpu(perf->lifetime_thermal_throttle_act));
	json_object_add_value_int(root, "Percentage of P/E Cycles Remaining",
			le32_to_cpu(perf->percentage_pe_cycles_remaining));

	json_print_object(root, NULL);
	printf("\n");
	json_free_object(root);
}

static void wdc_get_commit_action_bin(__u8 commit_action_type, char *action_bin)
{

	switch (commit_action_type) {
	case 0:
		strcpy(action_bin, "000b");
		break;
	case 1:
		strcpy(action_bin, "001b");
		break;
	case 2:
		strcpy(action_bin, "010b");
		break;
	case 3:
		strcpy(action_bin, "011b");
		break;
	case 4:
		strcpy(action_bin, "100b");
		break;
	case 5:
		strcpy(action_bin, "101b");
		break;
	case 6:
		strcpy(action_bin, "110b");
		break;
	case 7:
		strcpy(action_bin, "111b");
		break;
	default:
		strcpy(action_bin, "INVALID");
	}

}

static void wdc_print_fw_act_history_log_normal(__u8 *data, int num_entries,
						__u32 cust_id, __u32 vendor_id,
						__u32 device_id)
{
	int i, j;
	char previous_fw[9];
	char new_fw[9];
	char commit_action_bin[8];
	char time_str[100];
	__u16 oldestEntryIdx = 0, entryIdx = 0;
	uint64_t timestamp;
	__u64 timestamp_sec;
	char *null_fw = "--------";

	memset((void *)time_str, '\0', 100);

	if (data[0] == WDC_NVME_GET_FW_ACT_HISTORY_C2_LOG_ID) {
		printf("  Firmware Activate History Log\n");
		if (cust_id == WDC_CUSTOMER_ID_0x1005 ||
		    vendor_id == WDC_NVME_SNDK_VID) {
			printf("           Power on Hour       Power Cycle     Previous    New\n");
			printf("  Entry      hh:mm:ss             Count        Firmware    Firmware    Slot   Action  Result\n");
			printf("  -----  -----------------  -----------------  ---------   ---------   -----  ------  -------\n");
		} else {
			printf("                               Power Cycle     Previous    New\n");
			printf("  Entry      Timestamp            Count        Firmware    Firmware    Slot   Action  Result\n");
			printf("  -----  -----------------  -----------------  ---------   ---------   -----  ------  -------\n");
		}

		struct wdc_fw_act_history_log_format_c2 *fw_act_history_entry = (struct wdc_fw_act_history_log_format_c2 *)(data);

		oldestEntryIdx = WDC_MAX_NUM_ACT_HIST_ENTRIES;
		if (num_entries == WDC_MAX_NUM_ACT_HIST_ENTRIES) {
			/* find lowest/oldest entry */
			for (i = 0; i < num_entries; i++) {
				j = (i+1 == WDC_MAX_NUM_ACT_HIST_ENTRIES) ? 0 : i+1;
				if (le16_to_cpu(fw_act_history_entry->entry[i].fw_act_hist_entries) >
						le16_to_cpu(fw_act_history_entry->entry[j].fw_act_hist_entries)) {
					oldestEntryIdx = j;
					break;
				}
			}
		}
		if (oldestEntryIdx == WDC_MAX_NUM_ACT_HIST_ENTRIES)
			entryIdx = 0;
		else
			entryIdx = oldestEntryIdx;

		for (i = 0; i < num_entries; i++) {
			memset((void *)previous_fw, 0, 9);
			memset((void *)new_fw, 0, 9);
			memset((void *)commit_action_bin, 0, 8);

			memcpy(previous_fw, (char *)&(fw_act_history_entry->entry[entryIdx].previous_fw_version), 8);
			if (strlen((char *)&(fw_act_history_entry->entry[entryIdx].current_fw_version)) > 1)
				memcpy(new_fw, (char *)&(fw_act_history_entry->entry[entryIdx].current_fw_version), 8);
			else
				memcpy(new_fw, null_fw, 8);

			printf("%5"PRIu16"", (uint16_t)le16_to_cpu(fw_act_history_entry->entry[entryIdx].fw_act_hist_entries));

			timestamp = (0x0000FFFFFFFFFFFF &
				le64_to_cpu(
					fw_act_history_entry->entry[entryIdx].timestamp));
			timestamp_sec = timestamp / 1000;
			if (cust_id == WDC_CUSTOMER_ID_0x1005) {
				printf("       ");
				memset((void *)time_str, 0, 9);
				sprintf((char *)time_str, "%"PRIu32":%u:%u",
						(__u32)(timestamp_sec/3600),
						(__u8)(timestamp_sec%3600/60),
						(__u8)(timestamp_sec%60));

				printf("%s", time_str);
				printf("     ");
			} else if (vendor_id == WDC_NVME_SNDK_VID) {
				printf("       ");

				memset((void *)time_str, 0, 9);
				sprintf((char *)time_str, "%"PRIu32":%u:%u",
						(__u32)((timestamp_sec/3600)%24),
						(__u8)((timestamp_sec/60)%60),
						(__u8)(timestamp_sec%60));
				printf("%s", time_str);
				printf("     ");
			} else {
				printf("   ");
				printf("%16"PRIu64"", timestamp);
				printf("   ");
			}

			printf("%16"PRIu64"", (uint64_t)le64_to_cpu(fw_act_history_entry->entry[entryIdx].power_cycle_count));
			printf("     ");
			printf("%s", (char *)previous_fw);
			printf("    ");
			printf("%s", (char *)new_fw);
			printf("     ");
			printf("%2"PRIu8"", (uint8_t)fw_act_history_entry->entry[entryIdx].slot_number);
			printf("   ");
			wdc_get_commit_action_bin(
			    fw_act_history_entry->entry[entryIdx].commit_action_type,
			    (char *)&commit_action_bin);
			printf("  %s", (char *)commit_action_bin);
			printf("  ");
			if (!le16_to_cpu(fw_act_history_entry->entry[entryIdx].result))
				printf("pass");
			else
				printf("fail #%d", (uint16_t)le16_to_cpu(fw_act_history_entry->entry[entryIdx].result));
			printf("\n");

			entryIdx++;
			if (entryIdx >= WDC_MAX_NUM_ACT_HIST_ENTRIES)
				entryIdx = 0;
		}
	} else {
		printf("  Firmware Activate History Log\n");
		printf("         Power on Hour   Power Cycle           Previous    New\n");
		printf("  Entry    hh:mm:ss      Count                 Firmware    Firmware    Slot   Action  Result\n");
		printf("  -----  --------------  --------------------  ----------  ----------  -----  ------  -------\n");

		struct wdc_fw_act_history_log_entry *fw_act_history_entry = (struct wdc_fw_act_history_log_entry *)(data + sizeof(struct wdc_fw_act_history_log_hdr));

		oldestEntryIdx = WDC_MAX_NUM_ACT_HIST_ENTRIES;
		if (num_entries == WDC_MAX_NUM_ACT_HIST_ENTRIES) {
			/* find lowest/oldest entry */
			for (i = 0; i < num_entries; i++) {
				if (le32_to_cpu(fw_act_history_entry[i].entry_num) > le32_to_cpu(fw_act_history_entry[i+1].entry_num)) {
					oldestEntryIdx = i+1;
					break;
				}
			}
		}

		if (oldestEntryIdx == WDC_MAX_NUM_ACT_HIST_ENTRIES)
			entryIdx = 0;
		else
			entryIdx = oldestEntryIdx;

		for (i = 0; i < num_entries; i++) {
			memset((void *)previous_fw, 0, 9);
			memset((void *)new_fw, 0, 9);
			memset((void *)commit_action_bin, 0, 8);

			memcpy(previous_fw, (char *)&(fw_act_history_entry[entryIdx].previous_fw_version), 8);
			if (strlen((char *)&(fw_act_history_entry[entryIdx].new_fw_version)) > 1)
				memcpy(new_fw, (char *)&(fw_act_history_entry[entryIdx].new_fw_version), 8);
			else
				memcpy(new_fw, null_fw, 8);

			printf("%5"PRIu32"", (uint32_t)le32_to_cpu(fw_act_history_entry[entryIdx].entry_num));
			printf("      ");
			printf("%04d:%02d:%02d", (int)(le64_to_cpu(fw_act_history_entry[entryIdx].power_on_seconds)/3600),
					(int)((le64_to_cpu(fw_act_history_entry[entryIdx].power_on_seconds)%3600)/60),
					(int)(le64_to_cpu(fw_act_history_entry[entryIdx].power_on_seconds)%60));
			printf("      ");
			printf("%16"PRIu32"", (uint32_t)le32_to_cpu(fw_act_history_entry[entryIdx].power_cycle_count));
			printf("     ");
			printf("%s", (char *)previous_fw);
			printf("    ");
			printf("%s", (char *)new_fw);
			printf("     ");
			printf("%2"PRIu8"", (uint8_t)fw_act_history_entry[entryIdx].slot_number);
			printf("  ");
			wdc_get_commit_action_bin(fw_act_history_entry[entryIdx].commit_action_type,
						  (char *)&commit_action_bin);
			printf("  %s", (char *)commit_action_bin);
			printf("   ");
			if (!le16_to_cpu(fw_act_history_entry[entryIdx].result))
				printf("pass");
			else
				printf("fail #%d", (uint16_t)le16_to_cpu(fw_act_history_entry[entryIdx].result));

			printf("\n");

			entryIdx++;
			if (entryIdx >= WDC_MAX_NUM_ACT_HIST_ENTRIES)
				entryIdx = 0;
		}
	}
}

static void wdc_print_fw_act_history_log_json(__u8 *data, int num_entries,
					      __u32 cust_id, __u32 vendor_id,
					      __u32 device_id)
{
	struct json_object *root = json_create_object();
	int i, j;
	char previous_fw[9];
	char new_fw[9];
	char commit_action_bin[8];
	char fail_str[32];
	char time_str[100];
	char ext_time_str[20];
	uint64_t timestamp;
	__u64 timestamp_sec;

	memset((void *)previous_fw, 0, 9);
	memset((void *)new_fw, 0, 9);
	memset((void *)commit_action_bin, 0, 8);
	memset((void *)time_str, '\0', 100);
	memset((void *)ext_time_str, 0, 20);
	memset((void *)fail_str, 0, 11);
	char *null_fw = "--------";
	__u16 oldestEntryIdx = 0, entryIdx = 0;

	if (data[0] == WDC_NVME_GET_FW_ACT_HISTORY_C2_LOG_ID) {
		struct wdc_fw_act_history_log_format_c2 *fw_act_history_entry = (struct wdc_fw_act_history_log_format_c2 *)(data);

		oldestEntryIdx = WDC_MAX_NUM_ACT_HIST_ENTRIES;
		if (num_entries == WDC_MAX_NUM_ACT_HIST_ENTRIES) {
			/* find lowest/oldest entry */
			for (i = 0; i < num_entries; i++) {
				j = (i+1 == WDC_MAX_NUM_ACT_HIST_ENTRIES) ? 0 : i+1;
				if (le16_to_cpu(fw_act_history_entry->entry[i].fw_act_hist_entries) >
						le16_to_cpu(fw_act_history_entry->entry[j].fw_act_hist_entries)) {
					oldestEntryIdx = j;
					break;
				}
			}
		}
		if (oldestEntryIdx == WDC_MAX_NUM_ACT_HIST_ENTRIES)
			entryIdx = 0;
		else
			entryIdx = oldestEntryIdx;

		for (i = 0; i < num_entries; i++) {
			memcpy(previous_fw,
			       (char *)&(fw_act_history_entry->entry[entryIdx].previous_fw_version),
			       8);
			if (strlen((char *)&(fw_act_history_entry->entry[entryIdx].current_fw_version)) > 1)
				memcpy(new_fw,
				       (char *)&(fw_act_history_entry->entry[entryIdx].current_fw_version),
				       8);
			else
				memcpy(new_fw, null_fw, 8);

			json_object_add_value_int(root, "Entry",
			    le16_to_cpu(fw_act_history_entry->entry[entryIdx].fw_act_hist_entries));

			timestamp = (0x0000FFFFFFFFFFFF &
				le64_to_cpu(
					fw_act_history_entry->entry[entryIdx].timestamp));
			timestamp_sec = timestamp / 1000;
			if (cust_id == WDC_CUSTOMER_ID_0x1005) {
				sprintf((char *)time_str, "%"PRIu32":%u:%u",
						(__u32)(timestamp_sec/3600),
						(__u8)(timestamp_sec%3600/60),
						(__u8)(timestamp_sec%60));

				json_object_add_value_string(root, "Power on Hour", time_str);

			} else if (vendor_id == WDC_NVME_SNDK_VID) {
				sprintf((char *)time_str, "%"PRIu32":%u:%u",
						(__u32)((timestamp_sec/3600)%24),
						(__u8)((timestamp_sec/60)%60),
						(__u8)(timestamp_sec%60));
				json_object_add_value_string(root, "Power on Hour", time_str);
			} else {
				json_object_add_value_uint64(root, "Timestamp", timestamp);
			}

			json_object_add_value_int(root, "Power Cycle Count",
				le64_to_cpu(fw_act_history_entry->entry[entryIdx].power_cycle_count));
			json_object_add_value_string(root, "Previous Firmware",
					previous_fw);
			json_object_add_value_string(root, "New Firmware",
					new_fw);
			json_object_add_value_int(root, "Slot",
				fw_act_history_entry->entry[entryIdx].slot_number);

			wdc_get_commit_action_bin(
			    fw_act_history_entry->entry[entryIdx].commit_action_type,
			    (char *)&commit_action_bin);
			json_object_add_value_string(root, "Action", commit_action_bin);

			if (!le16_to_cpu(fw_act_history_entry->entry[entryIdx].result)) {
				json_object_add_value_string(root, "Result", "pass");
			} else {
				sprintf((char *)fail_str, "fail #%d", (int)(le16_to_cpu(fw_act_history_entry->entry[entryIdx].result)));
				json_object_add_value_string(root, "Result", fail_str);
			}

			json_print_object(root, NULL);
			printf("\n");

			entryIdx++;
			if (entryIdx >= WDC_MAX_NUM_ACT_HIST_ENTRIES)
				entryIdx = 0;
		}
	} else {
		struct wdc_fw_act_history_log_entry *fw_act_history_entry = (struct wdc_fw_act_history_log_entry *)(data + sizeof(struct wdc_fw_act_history_log_hdr));

		oldestEntryIdx = WDC_MAX_NUM_ACT_HIST_ENTRIES;
		if (num_entries == WDC_MAX_NUM_ACT_HIST_ENTRIES) {
			/* find lowest/oldest entry */
			for (i = 0; i < num_entries; i++) {
				if (le32_to_cpu(fw_act_history_entry[i].entry_num) > le32_to_cpu(fw_act_history_entry[i+1].entry_num)) {
					oldestEntryIdx = i+1;
					break;
				}
			}
		}
		if (oldestEntryIdx == WDC_MAX_NUM_ACT_HIST_ENTRIES)
			entryIdx = 0;
		else
			entryIdx = oldestEntryIdx;

		for (i = 0; i < num_entries; i++) {
			memcpy(previous_fw,
			       (char *)&(fw_act_history_entry[entryIdx].previous_fw_version), 8);
			if (strlen((char *)&(fw_act_history_entry[entryIdx].new_fw_version)) > 1)
				memcpy(new_fw,
				       (char *)&(fw_act_history_entry[entryIdx].new_fw_version), 8);
			else
				memcpy(new_fw, null_fw, 8);

			json_object_add_value_int(root, "Entry",
				le32_to_cpu(fw_act_history_entry[entryIdx].entry_num));

			sprintf((char *)time_str, "%04d:%02d:%02d", (int)(le64_to_cpu(fw_act_history_entry[entryIdx].power_on_seconds)/3600),
					(int)((le64_to_cpu(fw_act_history_entry[entryIdx].power_on_seconds)%3600)/60),
					(int)(le64_to_cpu(fw_act_history_entry[entryIdx].power_on_seconds)%60));
			json_object_add_value_string(root, "Power on Hour", time_str);

			json_object_add_value_int(root, "Power Cycle Count",
				le32_to_cpu(fw_act_history_entry[entryIdx].power_cycle_count));
			json_object_add_value_string(root, "Previous Firmware",
					previous_fw);
			json_object_add_value_string(root, "New Firmware",
					new_fw);
			json_object_add_value_int(root, "Slot",
				fw_act_history_entry[entryIdx].slot_number);

			wdc_get_commit_action_bin(fw_act_history_entry[entryIdx].commit_action_type,
						  (char *)&commit_action_bin);
			json_object_add_value_string(root, "Action", commit_action_bin);

			if (!le16_to_cpu(fw_act_history_entry[entryIdx].result)) {
				json_object_add_value_string(root, "Result", "pass");
			} else {
				sprintf((char *)fail_str, "fail #%d", (int)(le16_to_cpu(fw_act_history_entry[entryIdx].result)));
				json_object_add_value_string(root, "Result", fail_str);
			}

			json_print_object(root, NULL);
			printf("\n");

			entryIdx++;
			if (entryIdx >= WDC_MAX_NUM_ACT_HIST_ENTRIES)
				entryIdx = 0;
		}
	}

	json_free_object(root);
}

static int nvme_get_print_ocp_cloud_smart_log(struct nvme_dev *dev,
		int uuid_index,
		__u32 namespace_id,
		int fmt)
{
	struct ocp_cloud_smart_log *log_ptr = NULL;
	int ret, i;
	__u32 length = WDC_NVME_SMART_CLOUD_ATTR_LEN;
	int fd = dev_fd(dev);

	log_ptr = (struct ocp_cloud_smart_log *)malloc(sizeof(__u8) * length);
	if (!log_ptr) {
		fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
		return -1;
	}

	if (namespace_id == NVME_NSID_ALL) {
		ret = nvme_get_nsid(fd, &namespace_id);
		if (ret < 0)
			namespace_id = NVME_NSID_ALL;
	}

	/* Get the 0xC0 log data */
	struct nvme_get_log_args args = {
		.args_size	= sizeof(args),
		.fd			= fd,
		.lid		= WDC_NVME_GET_SMART_CLOUD_ATTR_LOG_ID,
		.nsid		= namespace_id,
		.lpo		= 0,
		.lsp		= NVME_LOG_LSP_NONE,
		.lsi		= 0,
		.rae		= false,
		.uuidx		= uuid_index,
		.csi		= NVME_CSI_NVM,
		.ot			= false,
		.len		= length,
		.log		= log_ptr,
		.timeout	= NVME_DEFAULT_IOCTL_TIMEOUT,
		.result		= NULL,
	};
	ret = nvme_get_log(&args);

	if (fmt == JSON)
		nvme_show_status(ret);

	if (!ret) {
		/* Verify GUID matches */
		for (i = 0; i < 16; i++) {
			if (scao_guid[i] != log_ptr->log_page_guid[i]) {
				fprintf(stderr, "ERROR: WDC: Unknown GUID in C0 Log Page data\n");
				int j;

				fprintf(stderr, "ERROR: WDC: Expected GUID:  0x");
				for (j = 0; j < 16; j++)
					fprintf(stderr, "%x", scao_guid[j]);
				fprintf(stderr, "\nERROR: WDC: Actual GUID:    0x");
				for (j = 0; j < 16; j++)
					fprintf(stderr, "%x", log_ptr->log_page_guid[j]);
				fprintf(stderr, "\n");

				ret = -1;
				break;
			}
		}

		if (!ret)
			/* parse the data */
			wdc_print_c0_cloud_attr_log(log_ptr, fmt, dev);
	} else {
		fprintf(stderr, "ERROR: WDC: Unable to read C0 Log Page data\n");
		ret = -1;
	}

	free(log_ptr);
	return ret;
}

static int nvme_get_print_c0_eol_log(struct nvme_dev *dev,
				int uuid_index,
				__u32 namespace_id,
				int fmt)
{
	void *log_ptr = NULL;
	int ret;
	__u32 length = WDC_NVME_EOL_STATUS_LOG_LEN;
	int fd = dev_fd(dev);

	log_ptr = (void *)malloc(sizeof(__u8) * length);
	if (!log_ptr) {
		fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
		return -1;
	}

	if (namespace_id == NVME_NSID_ALL) {
		ret = nvme_get_nsid(fd, &namespace_id);
		if (ret < 0)
			namespace_id = NVME_NSID_ALL;
	}

	/* Get the 0xC0 log data */
	struct nvme_get_log_args args = {
		.args_size	= sizeof(args),
		.fd			= fd,
		.lid		= WDC_NVME_GET_EOL_STATUS_LOG_OPCODE,
		.nsid		= namespace_id,
		.lpo		= 0,
		.lsp		= NVME_LOG_LSP_NONE,
		.lsi		= 0,
		.rae		= false,
		.uuidx		= uuid_index,
		.csi		= NVME_CSI_NVM,
		.ot			= false,
		.len		= length,
		.log		= log_ptr,
		.timeout	= NVME_DEFAULT_IOCTL_TIMEOUT,
		.result		= NULL,
	};
	ret = nvme_get_log(&args);

	if (fmt == JSON)
		nvme_show_status(ret);

	if (!ret) {
		/* parse the data */
		wdc_print_c0_eol_log(log_ptr, fmt);
	} else {
		fprintf(stderr, "ERROR: WDC: Unable to read C0 Log Page data ");
		fprintf(stderr, "with uuid index %d\n", uuid_index);
		ret = -1;
	}

	free(log_ptr);
	return ret;
}

static int nvme_get_ext_smart_cloud_log(int fd, __u8 **data, int uuid_index, __u32 namespace_id)
{
	int ret, i;
	__u8 *log_ptr = NULL;

	log_ptr = (__u8 *)malloc(sizeof(__u8) * WDC_NVME_SMART_CLOUD_ATTR_LEN);
	if (!log_ptr) {
		fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
		return -1;
	}

	/* Get the 0xC0 log data */
	struct nvme_get_log_args args = {
		.args_size	= sizeof(args),
		.fd			= fd,
		.lid		= WDC_NVME_GET_SMART_CLOUD_ATTR_LOG_ID,
		.nsid		= namespace_id,
		.lpo		= 0,
		.lsp		= NVME_LOG_LSP_NONE,
		.lsi		= 0,
		.rae		= false,
		.uuidx		= uuid_index,
		.csi		= NVME_CSI_NVM,
		.ot			= false,
		.len		= WDC_NVME_SMART_CLOUD_ATTR_LEN,
		.log		= log_ptr,
		.timeout	= NVME_DEFAULT_IOCTL_TIMEOUT,
		.result		= NULL,
	};
	ret = nvme_get_log(&args);

	if (!ret) {
		/* Verify GUID matches */
		for (i = 0; i < WDC_C0_GUID_LENGTH; i++) {
			if (ext_smart_guid[i] != *&log_ptr[SCAO_V1_LPG + i]) {
				fprintf(stderr, "ERROR: WDC: Unknown GUID in C0 Log Page V1 data\n");
				int j;

				fprintf(stderr, "ERROR: WDC: Expected GUID:  0x");
				for (j = 0; j < WDC_C0_GUID_LENGTH; j++)
					fprintf(stderr, "%x", ext_smart_guid[j]);
				fprintf(stderr, "\nERROR: WDC: Actual GUID:    0x");
				for (j = 0; j < WDC_C0_GUID_LENGTH; j++)
					fprintf(stderr, "%x", *&log_ptr[SCAO_V1_LPG + j]);
				fprintf(stderr, "\n");

				ret = -1;
				break;
			}
		}
	}

	*data = log_ptr;

	return ret;
}


static int nvme_get_hw_rev_log(int fd, __u8 **data, int uuid_index, __u32 namespace_id)
{
	int ret, i;
	struct wdc_nvme_hw_rev_log *log_ptr = NULL;

	log_ptr = (struct wdc_nvme_hw_rev_log *)malloc(sizeof(__u8) * WDC_NVME_HW_REV_LOG_PAGE_LEN);
	if (!log_ptr) {
		fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
		return -1;
	}

	/* Get the 0xC0 log data */
	struct nvme_get_log_args args = {
		.args_size	= sizeof(args),
		.fd			= fd,
		.lid		= WDC_NVME_GET_HW_REV_LOG_OPCODE,
		.nsid		= namespace_id,
		.lpo		= 0,
		.lsp		= NVME_LOG_LSP_NONE,
		.lsi		= 0,
		.rae		= false,
		.uuidx		= uuid_index,
		.csi		= NVME_CSI_NVM,
		.ot			= false,
		.len		= WDC_NVME_HW_REV_LOG_PAGE_LEN,
		.log		= log_ptr,
		.timeout	= NVME_DEFAULT_IOCTL_TIMEOUT,
		.result		= NULL,
	};
	ret = nvme_get_log(&args);

	if (!ret) {
		/* Verify GUID matches */
		for (i = 0; i < WDC_NVME_C6_GUID_LENGTH; i++) {
			if (hw_rev_log_guid[i] != log_ptr->hw_rev_guid[i]) {
				fprintf(stderr, "ERROR: WDC: Unknown GUID in HW Revision Log Page data\n");
				int j;

				fprintf(stderr, "ERROR: WDC: Expected GUID:  0x");
				for (j = 0; j < WDC_NVME_C6_GUID_LENGTH; j++)
					fprintf(stderr, "%x", hw_rev_log_guid[j]);
				fprintf(stderr, "\nERROR: WDC: Actual GUID:    0x");
				for (j = 0; j < WDC_NVME_C6_GUID_LENGTH; j++)
					fprintf(stderr, "%x", log_ptr->hw_rev_guid[j]);
				fprintf(stderr, "\n");

				ret = -1;
				break;
			}
		}
	}

	*data = (__u8 *)log_ptr;

	return ret;
}


static void wdc_print_hw_rev_log_normal(void *data)
{
	int i;
	struct wdc_nvme_hw_rev_log *log_data = (struct wdc_nvme_hw_rev_log *)data;

	printf("  Hardware Revision Log:-\n");

	printf("  Global Device HW Revision		: %d\n",
			log_data->hw_rev_gdr);
	printf("  ASIC HW Revision			: %d\n",
			log_data->hw_rev_ar);
	printf("  PCB Manufacturer Code			: %d\n",
			log_data->hw_rev_pbc_mc);
	printf("  DRAM Manufacturer Code		: %d\n",
			log_data->hw_rev_dram_mc);
	printf("  NAND Manufacturer Code		: %d\n",
			log_data->hw_rev_nand_mc);
	printf("  PMIC 1 Manufacturer Code		: %d\n",
			log_data->hw_rev_pmic1_mc);
	printf("  PMIC 2 Manufacturer Code		: %d\n",
			log_data->hw_rev_pmic2_mc);
	printf("  Other Component 1 Manf Code		: %d\n",
			log_data->hw_rev_c1_mc);
	printf("  Other Component 2 Manf Code		: %d\n",
			log_data->hw_rev_c2_mc);
	printf("  Other Component 3 Manf Code		: %d\n",
			log_data->hw_rev_c3_mc);
	printf("  Other Component 4 Manf Code		: %d\n",
			log_data->hw_rev_c4_mc);
	printf("  Other Component 5 Manf Code		: %d\n",
			log_data->hw_rev_c5_mc);
	printf("  Other Component 6 Manf Code		: %d\n",
			log_data->hw_rev_c6_mc);
	printf("  Other Component 7 Manf Code		: %d\n",
			log_data->hw_rev_c7_mc);
	printf("  Other Component 8 Manf Code		: %d\n",
			log_data->hw_rev_c8_mc);
	printf("  Other Component 9 Manf Code		: %d\n",
			log_data->hw_rev_c9_mc);

	printf("  Device Manf Detailed Info		: 0x");
	for (i = 0; i < 16; i++) {
		printf("%02x", log_data->hw_rev_dev_mdi[i]);
		if (i == 7)
			printf(" 0x");
	}
	printf("\n");
	printf("  ASIC Detailed Info			: 0x");
	for (i = 0; i < 16; i++) {
		printf("%02x", log_data->hw_rev_asic_di[i]);
		if (i == 7)
			printf(" 0x");
	}
	printf("\n");
	printf("  PCB Detailed Info			: 0x");
	for (i = 0; i < 16; i++) {
		printf("%02x", log_data->hw_rev_pcb_di[i]);
		if (i == 7)
			printf(" 0x");
	}
	printf("\n");
	printf("  DRAM Detailed Info			: 0x");
	for (i = 0; i < 16; i++) {
		printf("%02x", log_data->hw_rev_dram_di[i]);
		if (i == 7)
			printf(" 0x");
	}
	printf("\n");
	printf("  NAND Detailed Info			: 0x");
	for (i = 0; i < 16; i++) {
		printf("%02x", log_data->hw_rev_nand_di[i]);
		if (i == 7)
			printf(" 0x");
	}
	printf("\n");
	printf("  PMIC 1 Detailed Info			: 0x");
	for (i = 0; i < 16; i++) {
		printf("%02x", log_data->hw_rev_pmic1_di[i]);
		if (i == 7)
			printf(" 0x");
	}
	printf("\n");
	printf("  PMIC 2 Detailed Info			: 0x");
	for (i = 0; i < 16; i++) {
		printf("%02x", log_data->hw_rev_pmic2_di[i]);
		if (i == 7)
			printf(" 0x");
	}
	printf("\n");
	printf("  Component 1 Detailed Info		: 0x");
	for (i = 0; i < 16; i++) {
		printf("%02x", log_data->hw_rev_c1_di[i]);
		if (i == 7)
			printf(" 0x");
	}
	printf("\n");
	printf("  Component 2 Detailed Info		: 0x");
	for (i = 0; i < 16; i++) {
		printf("%02x", log_data->hw_rev_c2_di[i]);
		if (i == 7)
			printf(" 0x");
	}
	printf("\n");
	printf("  Component 3 Detailed Info		: 0x");
	for (i = 0; i < 16; i++) {
		printf("%02x", log_data->hw_rev_c3_di[i]);
		if (i == 7)
			printf(" 0x");
	}
	printf("\n");
	printf("  Component 4 Detailed Info		: 0x");
	for (i = 0; i < 16; i++) {
		printf("%02x", log_data->hw_rev_c4_di[i]);
		if (i == 7)
			printf(" 0x");
	}
	printf("\n");
	printf("  Component 5 Detailed Info		: 0x");
	for (i = 0; i < 16; i++) {
		printf("%02x", log_data->hw_rev_c5_di[i]);
		if (i == 7)
			printf(" 0x");
	}
	printf("\n");
	printf("  Component 6 Detailed Info		: 0x");
	for (i = 0; i < 16; i++) {
		printf("%02x", log_data->hw_rev_c6_di[i]);
		if (i == 7)
			printf(" 0x");
	}
	printf("\n");
	printf("  Component 7 Detailed Info		: 0x");
	for (i = 0; i < 16; i++) {
		printf("%02x", log_data->hw_rev_c7_di[i]);
		if (i == 7)
			printf(" 0x");
	}
	printf("\n");
	printf("  Component 8 Detailed Info		: 0x");
	for (i = 0; i < 16; i++) {
		printf("%02x", log_data->hw_rev_c8_di[i]);
		if (i == 7)
			printf(" 0x");
	}
	printf("\n");
	printf("  Component 9 Detailed Info		: 0x");
	for (i = 0; i < 16; i++) {
		printf("%02x", log_data->hw_rev_c9_di[i]);
		if (i == 7)
			printf(" 0x");
	}
	printf("\n");
	printf("  Serial Number				: 0x");
	for (i = 0; i < 32; i++) {
		if ((i > 1) & !(i % 8))
			printf(" 0x");
		printf("%02x", log_data->hw_rev_sn[i]);
	}
	printf("\n");

	printf("  Log Page Version			: %d\n", log_data->hw_rev_version);
	printf("  Log page GUID				: 0x");
	printf("%"PRIx64"%"PRIx64"\n", le64_to_cpu(*(uint64_t *)&log_data->hw_rev_guid[8]),
	       le64_to_cpu(*(uint64_t *)&log_data->hw_rev_guid[0]));
	printf("\n");
}

static void wdc_print_hw_rev_log_json(void *data)
{
	struct wdc_nvme_hw_rev_log *log_data = (struct wdc_nvme_hw_rev_log *)data;
	struct json_object *root = json_create_object();
	char json_data[80];

	json_object_add_value_uint(root, "Global Device HW Revision",
			log_data->hw_rev_gdr);
	json_object_add_value_uint(root, "ASIC HW Revision",
			log_data->hw_rev_ar);
	json_object_add_value_uint(root, "PCB Manufacturer Code",
			log_data->hw_rev_pbc_mc);
	json_object_add_value_uint(root, "DRAM Manufacturer Code",
			log_data->hw_rev_dram_mc);
	json_object_add_value_uint(root, "NAND Manufacturer Code",
			log_data->hw_rev_nand_mc);
	json_object_add_value_uint(root, "PMIC 1 Manufacturer Code",
			log_data->hw_rev_pmic1_mc);
	json_object_add_value_uint(root, "PMIC 2 Manufacturer Code",
			log_data->hw_rev_pmic2_mc);
	json_object_add_value_uint(root, "Other Component 1 Manf Code",
			log_data->hw_rev_c1_mc);
	json_object_add_value_uint(root, "Other Component 2 Manf Code",
			log_data->hw_rev_c2_mc);
	json_object_add_value_uint(root, "Other Component 3 Manf Code",
			log_data->hw_rev_c3_mc);
	json_object_add_value_uint(root, "Other Component 4 Manf Code",
			log_data->hw_rev_c4_mc);
	json_object_add_value_uint(root, "Other Component 5 Manf Code",
			log_data->hw_rev_c5_mc);
	json_object_add_value_uint(root, "Other Component 6 Manf Code",
			log_data->hw_rev_c6_mc);
	json_object_add_value_uint(root, "Other Component 7 Manf Code",
			log_data->hw_rev_c7_mc);
	json_object_add_value_uint(root, "Other Component 8 Manf Code",
			log_data->hw_rev_c8_mc);
	json_object_add_value_uint(root, "Other Component 9 Manf Code",
			log_data->hw_rev_c9_mc);

	memset((void *)json_data, 0, 40);
	sprintf((char *)json_data, "0x%"PRIx64"%"PRIx64"", le64_to_cpu(*(uint64_t *)&log_data->hw_rev_dev_mdi[8]),
		le64_to_cpu(*(uint64_t *)&log_data->hw_rev_dev_mdi[0]));
	json_object_add_value_string(root, "Device Manf Detailed Info", json_data);

	memset((void *)json_data, 0, 40);
	sprintf((char *)json_data, "0x%"PRIx64"%"PRIx64"", le64_to_cpu(*(uint64_t *)&log_data->hw_rev_asic_di[8]),
		le64_to_cpu(*(uint64_t *)&log_data->hw_rev_asic_di[0]));
	json_object_add_value_string(root, "ASIC Detailed Info", json_data);

	memset((void *)json_data, 0, 40);
	sprintf((char *)json_data, "0x%"PRIx64"%"PRIx64"", le64_to_cpu(*(uint64_t *)&log_data->hw_rev_pcb_di[8]),
		le64_to_cpu(*(uint64_t *)&log_data->hw_rev_pcb_di[0]));
	json_object_add_value_string(root, "PCB Detailed Info", json_data);

	memset((void *)json_data, 0, 40);
	sprintf((char *)json_data, "0x%"PRIx64"%"PRIx64"", le64_to_cpu(*(uint64_t *)&log_data->hw_rev_dram_di[8]),
		le64_to_cpu(*(uint64_t *)&log_data->hw_rev_dram_di[0]));
	json_object_add_value_string(root, "DRAM Detailed Info", json_data);

	memset((void *)json_data, 0, 40);
	sprintf((char *)json_data, "0x%"PRIx64"%"PRIx64"", le64_to_cpu(*(uint64_t *)&log_data->hw_rev_nand_di[8]),
		le64_to_cpu(*(uint64_t *)&log_data->hw_rev_nand_di[0]));
	json_object_add_value_string(root, "NAND Detailed Info", json_data);

	memset((void *)json_data, 0, 40);
	sprintf((char *)json_data, "0x%"PRIx64"%"PRIx64"", le64_to_cpu(*(uint64_t *)&log_data->hw_rev_pmic1_di[8]),
		le64_to_cpu(*(uint64_t *)&log_data->hw_rev_pmic1_di[0]));
	json_object_add_value_string(root, "PMIC 1 Detailed Info", json_data);

	memset((void *)json_data, 0, 40);
	sprintf((char *)json_data, "0x%"PRIx64"%"PRIx64"", le64_to_cpu(*(uint64_t *)&log_data->hw_rev_pmic2_di[8]),
		le64_to_cpu(*(uint64_t *)&log_data->hw_rev_pmic2_di[0]));
	json_object_add_value_string(root, "PMIC 2 Detailed Info", json_data);

	memset((void *)json_data, 0, 40);
	sprintf((char *)json_data, "0x%"PRIx64"%"PRIx64"", le64_to_cpu(*(uint64_t *)&log_data->hw_rev_c1_di[8]),
		le64_to_cpu(*(uint64_t *)&log_data->hw_rev_c1_di[0]));
	json_object_add_value_string(root, "Component 1 Detailed Info", json_data);

	memset((void *)json_data, 0, 40);
	sprintf((char *)json_data, "0x%"PRIx64"%"PRIx64"", le64_to_cpu(*(uint64_t *)&log_data->hw_rev_c2_di[8]),
		le64_to_cpu(*(uint64_t *)&log_data->hw_rev_c2_di[0]));
	json_object_add_value_string(root, "Component 2 Detailed Info", json_data);

	memset((void *)json_data, 0, 40);
	sprintf((char *)json_data, "0x%"PRIx64"%"PRIx64"", le64_to_cpu(*(uint64_t *)&log_data->hw_rev_c3_di[8]),
		le64_to_cpu(*(uint64_t *)&log_data->hw_rev_c3_di[0]));
	json_object_add_value_string(root, "Component 3 Detailed Info", json_data);

	memset((void *)json_data, 0, 40);
	sprintf((char *)json_data, "0x%"PRIx64"%"PRIx64"", le64_to_cpu(*(uint64_t *)&log_data->hw_rev_c4_di[8]),
		le64_to_cpu(*(uint64_t *)&log_data->hw_rev_c4_di[0]));
	json_object_add_value_string(root, "Component 4 Detailed Info", json_data);

	memset((void *)json_data, 0, 40);
	sprintf((char *)json_data, "0x%"PRIx64"%"PRIx64"", le64_to_cpu(*(uint64_t *)&log_data->hw_rev_c5_di[8]),
		le64_to_cpu(*(uint64_t *)&log_data->hw_rev_c5_di[0]));
	json_object_add_value_string(root, "Component 5 Detailed Info", json_data);

	memset((void *)json_data, 0, 40);
	sprintf((char *)json_data, "0x%"PRIx64"%"PRIx64"", le64_to_cpu(*(uint64_t *)&log_data->hw_rev_c6_di[8]),
		le64_to_cpu(*(uint64_t *)&log_data->hw_rev_c6_di[0]));
	json_object_add_value_string(root, "Component 6 Detailed Info", json_data);

	memset((void *)json_data, 0, 40);
	sprintf((char *)json_data, "0x%"PRIx64"%"PRIx64"", le64_to_cpu(*(uint64_t *)&log_data->hw_rev_c7_di[8]),
		le64_to_cpu(*(uint64_t *)&log_data->hw_rev_c7_di[0]));
	json_object_add_value_string(root, "Component 7 Detailed Info", json_data);

	memset((void *)json_data, 0, 40);
	sprintf((char *)json_data, "0x%"PRIx64"%"PRIx64"", le64_to_cpu(*(uint64_t *)&log_data->hw_rev_c8_di[8]),
		le64_to_cpu(*(uint64_t *)&log_data->hw_rev_c8_di[0]));
	json_object_add_value_string(root, "Component 8 Detailed Info", json_data);

	memset((void *)json_data, 0, 40);
	sprintf((char *)json_data, "0x%"PRIx64"%"PRIx64"", le64_to_cpu(*(uint64_t *)&log_data->hw_rev_c9_di[8]),
		le64_to_cpu(*(uint64_t *)&log_data->hw_rev_c9_di[0]));
	json_object_add_value_string(root, "Component 9 Detailed Info", json_data);

	memset((void *)json_data, 0, 80);
	sprintf((char *)json_data, "0x%"PRIx64"%"PRIx64"%"PRIx64"%"PRIx64"",
			le64_to_cpu(*(uint64_t *)&log_data->hw_rev_sn[0]), le64_to_cpu(*(uint64_t *)&log_data->hw_rev_sn[8]),
			le64_to_cpu(*(uint64_t *)&log_data->hw_rev_sn[16]), le64_to_cpu(*(uint64_t *)&log_data->hw_rev_sn[24]));
	json_object_add_value_string(root, "Serial Number", json_data);

	json_object_add_value_uint(root, "Log Page Version",
			le16_to_cpu(log_data->hw_rev_version));

	memset((void *)json_data, 0, 40);
	sprintf((char *)json_data, "0x%"PRIx64"%"PRIx64"", le64_to_cpu(*(uint64_t *)&log_data->hw_rev_guid[8]),
		le64_to_cpu(*(uint64_t *)&log_data->hw_rev_guid[0]));
	json_object_add_value_string(root, "Log Page GUID", json_data);

	json_print_object(root, NULL);
	printf("\n");
	json_free_object(root);
}

static void wdc_print_ext_smart_cloud_log_normal(void *data, int mask)
{
	int i;
	struct __packed wdc_nvme_ext_smart_log * ext_smart_log_ptr = (struct __packed wdc_nvme_ext_smart_log *)data;

	if (mask == WDC_SCA_V1_NAND_STATS)
		printf("  NAND Statistics :-\n");
	else
		printf("  SMART Cloud Attributes :-\n");

	printf("  Physical Media Units Written TLC (Bytes): %s\n",
		uint128_t_to_string(le128_to_cpu(
					ext_smart_log_ptr->ext_smart_pmuwt)));
	printf("  Physical Media Units Written SLC (Bytes): %s\n",
		uint128_t_to_string(le128_to_cpu(
					ext_smart_log_ptr->ext_smart_pmuws)));
	printf("  Bad User NAND Block Count (Normalized) (Int) : %d\n",
			le16_to_cpu(*(uint16_t *)ext_smart_log_ptr->ext_smart_bunbc));
	printf("  Bad User NAND Block Count (Raw) (Int)	: %"PRIu64"\n",
			le64_to_cpu(*(uint64_t *)ext_smart_log_ptr->ext_smart_bunbc & 0xFFFFFFFFFFFF0000));
	printf("  XOR Recovery Count (Int) : %"PRIu64"\n",
			le64_to_cpu(ext_smart_log_ptr->ext_smart_xrc));
	printf("  Uncorrectable Read Error Count (Int) : %"PRIu64"\n",
			le64_to_cpu(ext_smart_log_ptr->ext_smart_urec));
	if (mask == WDC_SCA_V1_ALL) {
		printf("  SSD End to End correction counts (Corrected Errors) (Int) : %"PRIu64"\n",
			le64_to_cpu(ext_smart_log_ptr->ext_smart_eece));
		printf("  SSD End to End correction counts (Detected Errors) (Int) : %"PRIu64"\n",
			le64_to_cpu(ext_smart_log_ptr->ext_smart_eede));
		printf("  SSD End to End correction counts (Uncorrected E2E Errors) (Int) : %"PRIu64"\n",
			le64_to_cpu(ext_smart_log_ptr->ext_smart_eeue));
		printf("  System Data %% life-used : %d %%\n",
			ext_smart_log_ptr->ext_smart_sdpu);
	}
	printf("  User data erase counts (Minimum TLC) (Int) : %"PRIu64"\n",
			le64_to_cpu(ext_smart_log_ptr->ext_smart_mnudec));
	printf("  User data erase counts (Maximum TLC) (Int) : %"PRIu64"\n",
			le64_to_cpu(ext_smart_log_ptr->ext_smart_mxudec));
	printf("  User data erase counts (Minimum SLC) (Int) : %"PRIu64"\n",
			le64_to_cpu(ext_smart_log_ptr->ext_smart_mnec));
	printf("  User data erase counts (Maximum SLC) (Int) : %"PRIu64"\n",
			le64_to_cpu(ext_smart_log_ptr->ext_smart_mxec));
	printf("  User data erase counts (Average SLC) (Int) : %"PRIu64"\n",
			le64_to_cpu(ext_smart_log_ptr->ext_smart_avec));
	printf("  User data erase counts (Average TLC) (Int) : %"PRIu64"\n",
			le64_to_cpu(ext_smart_log_ptr->ext_smart_avudec));
	printf("  Program Fail Count (Normalized) (Int) : %d\n",
			le16_to_cpu(*(uint16_t *)ext_smart_log_ptr->ext_smart_pfc));
	printf("  Program Fail Count (Raw) (Int) : %"PRIu64"\n",
			le64_to_cpu(*(uint64_t *)ext_smart_log_ptr->ext_smart_pfc & 0xFFFFFFFFFFFF0000));
	printf("  Erase Fail Count (Normalized) (Int) : %d\n",
			le16_to_cpu(*(uint16_t *)ext_smart_log_ptr->ext_smart_efc));
	printf("  Erase Fail Count (Raw) (Int) : %"PRIu64"\n",
			le64_to_cpu(*(uint64_t *)ext_smart_log_ptr->ext_smart_efc & 0xFFFFFFFFFFFF0000));
	if (mask == WDC_SCA_V1_ALL) {
		printf("  PCIe Correctable Error Count (Int) : %"PRIu64"\n",
			le64_to_cpu(ext_smart_log_ptr->ext_smart_pcec));
		printf("  %% Free Blocks (User) (Int) : %d %%\n",
			ext_smart_log_ptr->ext_smart_pfbu);
		printf("  Security Version Number (Int) : %"PRIu64"\n",
			le64_to_cpu(ext_smart_log_ptr->ext_smart_svn));
		printf("  %% Free Blocks (System) (Int)	: %d %%\n",
			ext_smart_log_ptr->ext_smart_pfbs);
		printf("  NVMe Stats (# Data Set Management/TRIM Commands Completed) (Int): %s\n",
			uint128_t_to_string(le128_to_cpu(
						ext_smart_log_ptr->ext_smart_dcc)));
		printf("  Total Namespace Utilization (nvme0n1 NUSE) (Bytes) : %"PRIu64"\n",
			le64_to_cpu(ext_smart_log_ptr->ext_smart_tnu));
		printf("  NVMe Stats (# NVMe Format Commands Completed) (Int) : %d\n",
			le16_to_cpu(ext_smart_log_ptr->ext_smart_fcc));
		printf("  Background Back-Pressure Gauge(%%) (Int) : %d\n",
			ext_smart_log_ptr->ext_smart_bbpg);
	}
	printf("  Total # of Soft ECC Error Count (Int)	: %"PRIu64"\n",
			le64_to_cpu(ext_smart_log_ptr->ext_smart_seec));
	if (mask == WDC_SCA_V1_ALL) {
		printf("  Total # of Read Refresh Count (Int) : %"PRIu64"\n",
			le64_to_cpu(ext_smart_log_ptr->ext_smart_rfsc));
	}
	printf("  Bad System NAND Block Count (Normalized) (Int) : %d\n",
			le16_to_cpu(*(uint16_t *)ext_smart_log_ptr->ext_smart_bsnbc));
	printf("  Bad System NAND Block Count (Raw) (Int) : %"PRIu64"\n",
			le64_to_cpu(*(uint64_t *)ext_smart_log_ptr->ext_smart_bsnbc & 0xFFFFFFFFFFFF0000));
	printf("  Endurance Estimate (Total Writable Lifetime Bytes) (Bytes) :  %s\n",
		uint128_t_to_string(
			le128_to_cpu(ext_smart_log_ptr->ext_smart_eest)));
	if (mask == WDC_SCA_V1_ALL) {
		printf("  Thermal Throttling Status & Count (Number of thermal throttling events) (Int)	: %d\n",
			le16_to_cpu(ext_smart_log_ptr->ext_smart_ttc));
		printf("  Total # Unaligned I/O (Int) : %"PRIu64"\n",
			le64_to_cpu(ext_smart_log_ptr->ext_smart_uio));
	}
	printf("  Total Physical Media Units Read (Bytes) (Int)	:  %s\n",
		uint128_t_to_string(
			le128_to_cpu(ext_smart_log_ptr->ext_smart_pmur)));
	if (mask == WDC_SCA_V1_ALL) {
		printf("  Command Timeout (# of READ Commands > 5 Seconds) (Int) : %"PRIu32"\n",
			le32_to_cpu(ext_smart_log_ptr->ext_smart_rtoc));
		printf("  Command Timeout (# of WRITE Commands > 5 Seconds) (Int) : %"PRIu32"\n",
			le32_to_cpu(ext_smart_log_ptr->ext_smart_wtoc));
		printf("  Command Timeout (# of TRIM Commands > 5 Seconds) (Int) : %"PRIu32"\n",
			le32_to_cpu(ext_smart_log_ptr->ext_smart_ttoc));
		printf("  Total PCIe Link Retraining Count (Int) : %"PRIu64"\n",
			le64_to_cpu(ext_smart_log_ptr->ext_smart_plrc));
		printf("  Active Power State Change Count (Int)	: %"PRIu64"\n",
			le64_to_cpu(ext_smart_log_ptr->ext_smart_pscc));
	}
	printf("  Cloud Boot SSD Spec Version (Int) : %d.%d.%d.%d\n",
			le16_to_cpu(ext_smart_log_ptr->ext_smart_maj),
			le16_to_cpu(ext_smart_log_ptr->ext_smart_min),
			le16_to_cpu(ext_smart_log_ptr->ext_smart_pt),
			le16_to_cpu(ext_smart_log_ptr->ext_smart_err));
	printf("  Cloud Boot SSD HW Revision (Int) : %d.%d.%d.%d\n",
			0, 0, 0, 0);
	if (mask == WDC_SCA_V1_ALL) {
		printf("  FTL Unit Size	: %"PRIu32"\n",
			le32_to_cpu(ext_smart_log_ptr->ext_smart_ftlus));
		printf("  TCG Ownership Status : %"PRIu32"\n",
			le32_to_cpu(ext_smart_log_ptr->ext_smart_tcgos));
		printf("  Log Page Version (Int) : %d\n",
			le16_to_cpu(ext_smart_log_ptr->ext_smart_lpv));
		printf("  Log page GUID	(Hex) : 0x");
		for (i = WDC_C0_GUID_LENGTH; i > 0; i--)
			printf("%02x", ext_smart_log_ptr->ext_smart_lpg[i-1]);
		printf("\n");
	}
	printf("\n");
}

static void wdc_print_ext_smart_cloud_log_json(void *data, int mask)
{
	struct __packed wdc_nvme_ext_smart_log * ext_smart_log_ptr =
		(struct __packed wdc_nvme_ext_smart_log *)data;
	struct json_object *root = json_create_object();

	json_object_add_value_uint128(root, "physical_media_units_bytes_tlc",
				      le128_to_cpu(ext_smart_log_ptr->ext_smart_pmuwt));
	json_object_add_value_uint128(root, "physical_media_units_bytes_slc",
				      le128_to_cpu(ext_smart_log_ptr->ext_smart_pmuws));
	json_object_add_value_uint(root, "bad_user_blocks_normalized",
				   le16_to_cpu(*(uint16_t *)ext_smart_log_ptr->ext_smart_bunbc));
	json_object_add_value_uint64(root, "bad_user_blocks_raw",
	    le64_to_cpu(*(uint64_t *)ext_smart_log_ptr->ext_smart_bunbc & 0xFFFFFFFFFFFF0000));
	json_object_add_value_uint64(root, "xor_recovery_count",
				     le64_to_cpu(ext_smart_log_ptr->ext_smart_xrc));
	json_object_add_value_uint64(root, "uncorrectable_read_errors",
				     le64_to_cpu(ext_smart_log_ptr->ext_smart_urec));
	if (mask == WDC_SCA_V1_ALL) {
		json_object_add_value_uint64(root, "corrected_e2e_errors",
					     le64_to_cpu(ext_smart_log_ptr->ext_smart_eece));
		json_object_add_value_uint64(root, "detected_e2e_errors",
					     le64_to_cpu(ext_smart_log_ptr->ext_smart_eede));
		json_object_add_value_uint64(root, "uncorrected_e2e_errors",
					     le64_to_cpu(ext_smart_log_ptr->ext_smart_eeue));
		json_object_add_value_uint(root, "system_data_life_used_pct",
					   (__u8)ext_smart_log_ptr->ext_smart_sdpu);
	}
	json_object_add_value_uint64(root, "min_slc_user_data_erase_count",
				     le64_to_cpu(ext_smart_log_ptr->ext_smart_mnec));
	json_object_add_value_uint64(root, "min_tlc_user_data_erase_count",
				     le64_to_cpu(ext_smart_log_ptr->ext_smart_mnudec));
	json_object_add_value_uint64(root, "max_slc_user_data_erase_count",
				     le64_to_cpu(ext_smart_log_ptr->ext_smart_mxec));
	json_object_add_value_uint64(root, "max_tlc_user_data_erase_count",
				     le64_to_cpu(ext_smart_log_ptr->ext_smart_mxudec));
	json_object_add_value_uint64(root, "avg_slc_user_data_erase_count",
				     le64_to_cpu(ext_smart_log_ptr->ext_smart_avec));
	json_object_add_value_uint64(root, "avg_tlc_user_data_erase_count",
				     le64_to_cpu(ext_smart_log_ptr->ext_smart_avudec));
	json_object_add_value_uint(root, "program_fail_count_normalized",
				   le16_to_cpu(*(uint16_t *)ext_smart_log_ptr->ext_smart_pfc));
	json_object_add_value_uint64(root, "program_fail_count_raw",
	    le64_to_cpu(*(uint64_t *)ext_smart_log_ptr->ext_smart_pfc & 0xFFFFFFFFFFFF0000));
	json_object_add_value_uint(root, "erase_fail_count_normalized",
				   le16_to_cpu(*(uint16_t *)ext_smart_log_ptr->ext_smart_efc));
	json_object_add_value_uint64(root, "erase_fail_count_raw",
	    le64_to_cpu(*(uint64_t *)ext_smart_log_ptr->ext_smart_efc & 0xFFFFFFFFFFFF0000));
	if (mask == WDC_SCA_V1_ALL) {
		json_object_add_value_uint64(root, "pcie_correctable_errors",
					   le64_to_cpu(ext_smart_log_ptr->ext_smart_pcec));
		json_object_add_value_uint(root, "pct_free_blocks_user",
					   (__u8)ext_smart_log_ptr->ext_smart_pfbu);
		json_object_add_value_uint64(root, "security_version",
					     le64_to_cpu(ext_smart_log_ptr->ext_smart_svn));
		json_object_add_value_uint(root, "pct_free_blocks_system",
					   (__u8)ext_smart_log_ptr->ext_smart_pfbs);
		json_object_add_value_uint128(root, "num_of_trim_commands",
					      le128_to_cpu(ext_smart_log_ptr->ext_smart_dcc));
		json_object_add_value_uint64(root, "total_nuse_bytes",
					   le64_to_cpu(ext_smart_log_ptr->ext_smart_tnu));
		json_object_add_value_uint(root, "num_of_format_commands",
					   le16_to_cpu(ext_smart_log_ptr->ext_smart_fcc));
		json_object_add_value_uint(root, "background_pressure_gauge",
					   (__u8)ext_smart_log_ptr->ext_smart_bbpg);
	}
	json_object_add_value_uint64(root, "soft_ecc_error_count",
				     le64_to_cpu(ext_smart_log_ptr->ext_smart_seec));
	if (mask == WDC_SCA_V1_ALL)
		json_object_add_value_uint64(root, "read_refresh_count",
					     le64_to_cpu(ext_smart_log_ptr->ext_smart_rfsc));
	json_object_add_value_uint(root, "bad_system_block_normalized",
				      le16_to_cpu(*(uint16_t *)ext_smart_log_ptr->ext_smart_bsnbc));
	json_object_add_value_uint64(root, "bad_system_block_raw",
	    le64_to_cpu(*(uint64_t *)ext_smart_log_ptr->ext_smart_bsnbc & 0xFFFFFFFFFFFF0000));
	json_object_add_value_uint128(root, "endurance_est_bytes",
				      le128_to_cpu(ext_smart_log_ptr->ext_smart_eest));
	if (mask == WDC_SCA_V1_ALL) {
		json_object_add_value_uint(root, "num_throttling_events",
					   le16_to_cpu(ext_smart_log_ptr->ext_smart_ttc));
		json_object_add_value_uint64(root, "total_unaligned_io",
					     le64_to_cpu(ext_smart_log_ptr->ext_smart_uio));
	}
	json_object_add_value_uint128(root, "physical_media_units_read_bytes",
				      le128_to_cpu(ext_smart_log_ptr->ext_smart_pmur));
	if (mask == WDC_SCA_V1_ALL) {
		json_object_add_value_uint(root, "num_read_timeouts",
					   le32_to_cpu(ext_smart_log_ptr->ext_smart_rtoc));
		json_object_add_value_uint(root, "num_write_timeouts",
					   le32_to_cpu(ext_smart_log_ptr->ext_smart_wtoc));
		json_object_add_value_uint(root, "num_trim_timeouts",
					   le32_to_cpu(ext_smart_log_ptr->ext_smart_ttoc));
		json_object_add_value_uint64(root, "pcie_link_retrain_count",
					   le64_to_cpu(ext_smart_log_ptr->ext_smart_plrc));
		json_object_add_value_uint64(root, "active_power_state_change_count",
					   le64_to_cpu(ext_smart_log_ptr->ext_smart_pscc));
	}
	char vers_str[40];

	memset((void *)vers_str, 0, 40);
	sprintf((char *)vers_str, "%d.%d.%d.%d",
		le16_to_cpu(ext_smart_log_ptr->ext_smart_maj),
		le16_to_cpu(ext_smart_log_ptr->ext_smart_min),
		le16_to_cpu(ext_smart_log_ptr->ext_smart_pt),
		le16_to_cpu(ext_smart_log_ptr->ext_smart_err));
	json_object_add_value_string(root, "cloud_boot_ssd_spec_ver", vers_str);
	memset((void *)vers_str, 0, 40);
	sprintf((char *)vers_str, "%d.%d.%d.%d", 0, 0, 0, 0);
	json_object_add_value_string(root, "cloud_boot_ssd_hw_ver", vers_str);

	if (mask == WDC_SCA_V1_ALL) {
		json_object_add_value_uint(root, "ftl_unit_size",
					   le32_to_cpu(ext_smart_log_ptr->ext_smart_ftlus));
		json_object_add_value_uint(root, "tcg_ownership_status",
					   le32_to_cpu(ext_smart_log_ptr->ext_smart_tcgos));
		json_object_add_value_uint(root, "log_page_ver",
					   le16_to_cpu(ext_smart_log_ptr->ext_smart_lpv));
		char guid[40];

		memset((void *)guid, 0, 40);
		sprintf((char *)guid, "0x%"PRIx64"%"PRIx64"",
			le64_to_cpu(*(uint64_t *)&ext_smart_log_ptr->ext_smart_lpg[8]),
			le64_to_cpu(*(uint64_t *)&ext_smart_log_ptr->ext_smart_lpg[0]));
		json_object_add_value_string(root, "log_page_guid", guid);
	}

	json_print_object(root, NULL);
	printf("\n");
	json_free_object(root);
}


static void wdc_print_eol_c0_normal(void *data)
{

	__u8 *log_data = (__u8 *)data;

	printf("  End of Life Log Page 0xC0 :-\n");

	printf("  Realloc Block Count			%"PRIu32"\n",
			(uint32_t)le32_to_cpu(log_data[EOL_RBC]));
	printf("  ECC Rate				%"PRIu32"\n",
			(uint32_t)le32_to_cpu(log_data[EOL_ECCR]));
	printf("  Write Amp				%"PRIu32"\n",
			(uint32_t)le32_to_cpu(log_data[EOL_WRA]));
	printf("  Percent Life Remaining		%"PRIu32"\n",
			(uint32_t)le32_to_cpu(log_data[EOL_PLR]));
	printf("  Program Fail Count			%"PRIu32"\n",
			(uint32_t)le32_to_cpu(log_data[EOL_PFC]));
	printf("  Erase Fail Count			%"PRIu32"\n",
			(uint32_t)le32_to_cpu(log_data[EOL_EFC]));
	printf("  Raw Read Error Rate			%"PRIu32"\n",
			(uint32_t)le32_to_cpu(log_data[EOL_RRER]));

}

static void wdc_print_eol_c0_json(void *data)
{
	__u8 *log_data = (__u8 *)data;
	struct json_object *root = json_create_object();

	json_object_add_value_uint(root, "Realloc Block Count",
			(uint32_t)le32_to_cpu(log_data[EOL_RBC]));
	json_object_add_value_uint(root, "ECC Rate",
			(uint32_t)le32_to_cpu(log_data[EOL_ECCR]));
	json_object_add_value_uint(root, "Write Amp",
			(uint32_t)le32_to_cpu(log_data[EOL_WRA]));
	json_object_add_value_uint(root, "Percent Life Remaining",
			(uint32_t)le32_to_cpu(log_data[EOL_PLR]));
	json_object_add_value_uint(root, "Program Fail Count",
			(uint32_t)le32_to_cpu(log_data[EOL_PFC]));
	json_object_add_value_uint(root, "Erase Fail Count",
			(uint32_t)le32_to_cpu(log_data[EOL_EFC]));
	json_object_add_value_uint(root, "Raw Read Error Rate",
			(uint32_t)le32_to_cpu(log_data[EOL_RRER]));

	json_print_object(root, NULL);
	printf("\n");
	json_free_object(root);
}

static int wdc_print_ext_smart_cloud_log(void *data, int fmt)
{
	if (!data) {
		fprintf(stderr, "ERROR: WDC: Invalid buffer to read 0xC0 V1 log\n");
		return -1;
	}
	switch (fmt) {
	case NORMAL:
		wdc_print_ext_smart_cloud_log_normal(data, WDC_SCA_V1_ALL);
		break;
	case JSON:
		wdc_print_ext_smart_cloud_log_json(data, WDC_SCA_V1_ALL);
		break;
	}
	return 0;
}

static int wdc_print_c0_cloud_attr_log(void *data,
		int fmt,
		struct nvme_dev *dev)
{
	struct ocp_cloud_smart_log *log = (struct ocp_cloud_smart_log *)data;

	if (!data) {
		fprintf(stderr, "ERROR: WDC: Invalid buffer to read 0xC0 log\n");
		return -1;
	}

	switch (fmt) {
	case BINARY:
		d_raw((unsigned char *)log, sizeof(struct ocp_cloud_smart_log));
		break;
	case NORMAL:
		wdc_show_cloud_smart_log_normal(log, dev);
		break;
	case JSON:
		wdc_show_cloud_smart_log_json(log);
		break;
	}
	return 0;
}

static int wdc_print_c0_eol_log(void *data, int fmt)
{
	if (!data) {
		fprintf(stderr, "ERROR: WDC: Invalid buffer to read 0xC0 log\n");
		return -1;
	}
	switch (fmt) {
	case BINARY:
		d_raw((unsigned char *)data, WDC_NVME_EOL_STATUS_LOG_LEN);
		break;
	case NORMAL:
		wdc_print_eol_c0_normal(data);
		break;
	case JSON:
		wdc_print_eol_c0_json(data);
		break;
	}
	return 0;
}

static int wdc_get_c0_log_page_sn_customer_id_0x100X(struct nvme_dev *dev, int uuid_index,
						     char *format, __u32 namespace_id, int fmt)
{
	int ret;

	if (!uuid_index) {
		ret = nvme_get_print_ocp_cloud_smart_log(dev,
				uuid_index,
				namespace_id,
				fmt);
	} else if (uuid_index == 1) {
		ret = nvme_get_print_c0_eol_log(dev,
				uuid_index,
				namespace_id,
				fmt);
	} else {
		fprintf(stderr, "ERROR: WDC: Unknown uuid index\n");
		ret = -1;
	}

	return ret;
}

static int wdc_get_c0_log_page_sn(nvme_root_t r, struct nvme_dev *dev, int uuid_index, char *format,
				  __u32 namespace_id, int fmt)
{
	int ret = 0;
	__u32 cust_id;

	cust_id = wdc_get_fw_cust_id(r, dev);
	if (cust_id == WDC_INVALID_CUSTOMER_ID) {
		fprintf(stderr, "%s: ERROR: WDC: invalid customer id\n", __func__);
		return -1;
	}

	if ((cust_id == WDC_CUSTOMER_ID_0x1004) || (cust_id == WDC_CUSTOMER_ID_0x1008) ||
	    (cust_id == WDC_CUSTOMER_ID_0x1005)) {
		ret = wdc_get_c0_log_page_sn_customer_id_0x100X(dev, uuid_index, format,
								namespace_id, fmt);
	} else {
		ret = nvme_get_print_c0_eol_log(dev,
				0,
				namespace_id,
				fmt);
	}

	return ret;
}

static int wdc_get_c0_log_page(nvme_root_t r, struct nvme_dev *dev, char *format, int uuid_index,
			       __u32 namespace_id)
{
	uint32_t device_id, read_vendor_id;
	nvme_print_flags_t fmt;
	int ret;
	__u8 *data;

	if (!wdc_check_device(r, dev))
		return -1;
	ret = validate_output_format(format, &fmt);
	if (ret < 0) {
		fprintf(stderr, "ERROR: WDC: invalid output format\n");
		return ret;
	}

	ret = wdc_get_pci_ids(r, dev, &device_id, &read_vendor_id);

	switch (device_id) {
	case WDC_NVME_SN640_DEV_ID:
	case WDC_NVME_SN640_DEV_ID_1:
	case WDC_NVME_SN640_DEV_ID_2:
	case WDC_NVME_SN640_DEV_ID_3:
	case WDC_NVME_SN840_DEV_ID:
	case WDC_NVME_SN840_DEV_ID_1:
	case WDC_NVME_SN860_DEV_ID:
	case WDC_NVME_SN560_DEV_ID_1:
	case WDC_NVME_SN560_DEV_ID_2:
	case WDC_NVME_SN560_DEV_ID_3:
	case WDC_NVME_SN550_DEV_ID:
		ret = wdc_get_c0_log_page_sn(r, dev, uuid_index, format, namespace_id, fmt);
		break;
	case WDC_NVME_SN650_DEV_ID:
	case WDC_NVME_SN650_DEV_ID_1:
	case WDC_NVME_SN650_DEV_ID_2:
	case WDC_NVME_SN650_DEV_ID_3:
	case WDC_NVME_SN650_DEV_ID_4:
	case WDC_NVME_SN655_DEV_ID:
	case WDC_NVME_SN655_DEV_ID_1:
		if (uuid_index == 0) {
			ret = nvme_get_print_ocp_cloud_smart_log(dev,
					uuid_index,
					namespace_id,
					fmt);
		} else {
			ret = nvme_get_print_c0_eol_log(dev,
					uuid_index,
					namespace_id,
					fmt);
		}
		break;
	case WDC_NVME_ZN350_DEV_ID:
	case WDC_NVME_ZN350_DEV_ID_1:
		ret = nvme_get_print_ocp_cloud_smart_log(dev,
				0,
				NVME_NSID_ALL,
				fmt);
		break;
	case WDC_NVME_SN820CL_DEV_ID:
		/* Get the 0xC0 Extended Smart Cloud Attribute log data */
		data = NULL;
		ret = nvme_get_ext_smart_cloud_log(dev_fd(dev), &data,
						   uuid_index, namespace_id);

		if (strcmp(format, "json"))
			nvme_show_status(ret);

		if (!ret) {
			/* parse the data */
			wdc_print_ext_smart_cloud_log(data, fmt);
		} else {
			fprintf(stderr, "ERROR: WDC: Unable to read C0 Log Page V1 data\n");
			ret = -1;
		}

		if (data)
			free(data);
		break;
	default:
		fprintf(stderr, "ERROR: WDC: Unknown device id - 0x%x\n", device_id);
		ret = -1;
		break;

	}

	return ret;
}

static int wdc_print_latency_monitor_log(struct nvme_dev *dev,
					 struct wdc_ssd_latency_monitor_log *log_data,
					 int fmt)
{
	if (!log_data) {
		fprintf(stderr, "ERROR: WDC: Invalid C3 log data buffer\n");
		return -1;
	}
	switch (fmt) {
	case NORMAL:
		wdc_print_latency_monitor_log_normal(dev, log_data);
		break;
	case JSON:
		wdc_print_latency_monitor_log_json(log_data);
		break;
	}
	return 0;
}

static int wdc_print_error_rec_log(struct wdc_ocp_c1_error_recovery_log *log_data, int fmt)
{
	if (!log_data) {
		fprintf(stderr, "ERROR: WDC: Invalid C1 log data buffer\n");
		return -1;
	}
	switch (fmt) {
	case NORMAL:
		wdc_print_error_rec_log_normal(log_data);
		break;
	case JSON:
		wdc_print_error_rec_log_json(log_data);
		break;
	}
	return 0;
}

static int wdc_print_dev_cap_log(struct wdc_ocp_C4_dev_cap_log *log_data, int fmt)
{
	if (!log_data) {
		fprintf(stderr, "ERROR: WDC: Invalid C4 log data buffer\n");
		return -1;
	}
	switch (fmt) {
	case NORMAL:
		wdc_print_dev_cap_log_normal(log_data);
		break;
	case JSON:
		wdc_print_dev_cap_log_json(log_data);
		break;
	}
	return 0;
}

static int wdc_print_unsupported_reqs_log(struct wdc_ocp_C5_unsupported_reqs *log_data, int fmt)
{
	if (!log_data) {
		fprintf(stderr, "ERROR: WDC: Invalid C5 log data buffer\n");
		return -1;
	}
	switch (fmt) {
	case NORMAL:
		wdc_print_unsupported_reqs_log_normal(log_data);
		break;
	case JSON:
		wdc_print_unsupported_reqs_log_json(log_data);
		break;
	}
	return 0;
}

static int wdc_print_fb_ca_log(struct wdc_ssd_ca_perf_stats *perf, int fmt)
{
	if (!perf) {
		fprintf(stderr, "ERROR: WDC: Invalid buffer to read perf stats\n");
		return -1;
	}
	switch (fmt) {
	case NORMAL:
		wdc_print_fb_ca_log_normal(perf);
		break;
	case JSON:
		wdc_print_fb_ca_log_json(perf);
		break;
	}
	return 0;
}

static int wdc_print_bd_ca_log(struct nvme_dev *dev, void *bd_data, int fmt)
{
	if (!bd_data) {
		fprintf(stderr, "ERROR: WDC: Invalid buffer to read data\n");
		return -1;
	}
	switch (fmt) {
	case NORMAL:
		wdc_print_bd_ca_log_normal(dev, bd_data);
		break;
	case JSON:
		wdc_print_bd_ca_log_json(bd_data);
		break;
	default:
		fprintf(stderr, "ERROR: WDC: Unknown format - %d\n", fmt);
		return -1;
	}
	return 0;
}

static int wdc_print_d0_log(struct wdc_ssd_d0_smart_log *perf, int fmt)
{
	if (!perf) {
		fprintf(stderr, "ERROR: WDC: Invalid buffer to read perf stats\n");
		return -1;
	}
	switch (fmt) {
	case NORMAL:
		wdc_print_d0_log_normal(perf);
		break;
	case JSON:
		wdc_print_d0_log_json(perf);
		break;
	}
	return 0;
}

static int wdc_print_fw_act_history_log(__u8 *data, int num_entries, int fmt,
					__u32 cust_id, __u32 vendor_id,
					__u32 device_id)
{
	if (!data) {
		fprintf(stderr, "ERROR: WDC: Invalid buffer to read fw activate history entries\n");
		return -1;
	}

	switch (fmt) {
	case NORMAL:
		wdc_print_fw_act_history_log_normal(data, num_entries, cust_id,
						    vendor_id, device_id);
		break;
	case JSON:
		wdc_print_fw_act_history_log_json(data, num_entries, cust_id,
						  vendor_id, device_id);
		break;
	}
	return 0;
}

static int wdc_get_ca_log_page(nvme_root_t r, struct nvme_dev *dev, char *format)
{
	uint32_t read_device_id, read_vendor_id;
	struct wdc_ssd_ca_perf_stats *perf;
	nvme_print_flags_t fmt;
	__u32 cust_id;
	__u8 *data;
	int ret;

	if (!wdc_check_device(r, dev))
		return -1;
	ret = validate_output_format(format, &fmt);
	if (ret < 0) {
		fprintf(stderr, "ERROR: WDC: invalid output format\n");
		return ret;
	}

	/* verify the 0xCA log page is supported */
	if (wdc_nvme_check_supported_log_page(r, dev, WDC_NVME_GET_DEVICE_INFO_LOG_OPCODE) == false) {
		fprintf(stderr, "ERROR: WDC: 0xCA Log Page not supported\n");
		return -1;
	}

	/* get the FW customer id */
	cust_id = wdc_get_fw_cust_id(r, dev);
	if (cust_id == WDC_INVALID_CUSTOMER_ID) {
		fprintf(stderr, "%s: ERROR: WDC: invalid customer id\n", __func__);
		return -1;
	}

	ret = wdc_get_pci_ids(r, dev, &read_device_id, &read_vendor_id);

	switch (read_device_id) {
	case WDC_NVME_SN200_DEV_ID:
		if (cust_id == WDC_CUSTOMER_ID_0x1005) {
			data = (__u8 *)malloc(sizeof(__u8) * WDC_FB_CA_LOG_BUF_LEN);
			if (!data) {
				fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
				return -1;
			}

			memset(data, 0, sizeof(__u8) * WDC_FB_CA_LOG_BUF_LEN);

			ret = nvme_get_log_simple(dev_fd(dev),
						  WDC_NVME_GET_DEVICE_INFO_LOG_OPCODE,
						  WDC_FB_CA_LOG_BUF_LEN, data);
			if (strcmp(format, "json"))
				nvme_show_status(ret);

			if (!ret) {
				/* parse the data */
				perf = (struct wdc_ssd_ca_perf_stats *)(data);
				ret = wdc_print_fb_ca_log(perf, fmt);
			} else {
				fprintf(stderr, "ERROR: WDC: Unable to read CA Log Page data\n");
				ret = -1;
			}
		} else {

			fprintf(stderr, "ERROR: WDC: Unsupported Customer id, id = 0x%x\n", cust_id);
			return -1;
		}
		break;
	case WDC_NVME_SN640_DEV_ID:
	case WDC_NVME_SN640_DEV_ID_1:
	case WDC_NVME_SN640_DEV_ID_2:
	case WDC_NVME_SN640_DEV_ID_3:
	case WDC_NVME_SN840_DEV_ID:
	case WDC_NVME_SN840_DEV_ID_1:
	case WDC_NVME_SN860_DEV_ID:
		if (cust_id == WDC_CUSTOMER_ID_0x1005) {
			data = (__u8 *)malloc(sizeof(__u8) * WDC_FB_CA_LOG_BUF_LEN);
			if (!data) {
				fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
				return -1;
			}

			memset(data, 0, sizeof(__u8) * WDC_FB_CA_LOG_BUF_LEN);

			ret = nvme_get_log_simple(dev_fd(dev),
						  WDC_NVME_GET_DEVICE_INFO_LOG_OPCODE,
						  WDC_FB_CA_LOG_BUF_LEN, data);
			if (strcmp(format, "json"))
				nvme_show_status(ret);

			if (!ret) {
				/* parse the data */
				perf = (struct wdc_ssd_ca_perf_stats *)(data);
				ret = wdc_print_fb_ca_log(perf, fmt);
			} else {
				fprintf(stderr, "ERROR: WDC: Unable to read CA Log Page data\n");
				ret = -1;
			}
		} else if ((cust_id == WDC_CUSTOMER_ID_GN) || (cust_id == WDC_CUSTOMER_ID_GD) ||
				(cust_id == WDC_CUSTOMER_ID_BD)) {
			data = (__u8 *)malloc(sizeof(__u8) * WDC_BD_CA_LOG_BUF_LEN);
			if (!data) {
				fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
				return -1;
			}

			memset(data, 0, sizeof(__u8) * WDC_BD_CA_LOG_BUF_LEN);
			ret = nvme_get_log_simple(dev_fd(dev),
						  WDC_NVME_GET_DEVICE_INFO_LOG_OPCODE,
						  WDC_BD_CA_LOG_BUF_LEN, data);
			if (strcmp(format, "json"))
				nvme_show_status(ret);

			if (!ret) {
				/* parse the data */
				ret = wdc_print_bd_ca_log(dev, data, fmt);
			} else {
				fprintf(stderr, "ERROR: WDC: Unable to read CA Log Page data\n");
				ret = -1;
			}
		} else {
			fprintf(stderr, "ERROR: WDC: Unsupported Customer id, id = 0x%x\n", cust_id);
			return -1;
		}
		break;
	default:
		fprintf(stderr, "ERROR: WDC: Log page 0xCA not supported for this device\n");
		return -1;
	}

	free(data);
	return ret;
}

static int wdc_get_c1_log_page(nvme_root_t r, struct nvme_dev *dev,
			       char *format, uint8_t interval)
{
	struct wdc_log_page_subpage_header *sph;
	struct wdc_ssd_perf_stats *perf;
	struct wdc_log_page_header *l;
	nvme_print_flags_t fmt;
	int total_subpages;
	int skip_cnt = 4;
	__u8 *data;
	__u8 *p;
	int i;
	int ret;

	if (!wdc_check_device(r, dev))
		return -1;

	ret = validate_output_format(format, &fmt);
	if (ret < 0) {
		fprintf(stderr, "ERROR: WDC: invalid output format\n");
		return ret;
	}

	if (interval < 1 || interval > 15) {
		fprintf(stderr, "ERROR: WDC: interval out of range [1-15]\n");
		return -1;
	}

	data = (__u8 *)malloc(sizeof(__u8) * WDC_ADD_LOG_BUF_LEN);
	if (!data) {
		fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
		return -1;
	}
	memset(data, 0, sizeof(__u8) * WDC_ADD_LOG_BUF_LEN);

	ret = nvme_get_log_simple(dev_fd(dev), WDC_NVME_ADD_LOG_OPCODE,
				  WDC_ADD_LOG_BUF_LEN, data);
	if (strcmp(format, "json"))
		nvme_show_status(ret);
	if (!ret) {
		l = (struct wdc_log_page_header *)data;
		total_subpages = l->num_subpages + WDC_NVME_GET_STAT_PERF_INTERVAL_LIFETIME - 1;
		for (i = 0, p = data + skip_cnt; i < total_subpages; i++, p += skip_cnt) {
			sph = (struct wdc_log_page_subpage_header *)p;
			if (sph->spcode == WDC_GET_LOG_PAGE_SSD_PERFORMANCE) {
				if (sph->pcset == interval) {
					perf = (struct wdc_ssd_perf_stats *)(p + 4);
					ret = wdc_print_log(perf, fmt);
					break;
				}
			}
			skip_cnt = le16_to_cpu(sph->subpage_length) + 4;
		}
		if (ret)
			fprintf(stderr, "ERROR: WDC: Unable to read data from buffer\n");
	}
	free(data);
	return ret;
}

static int wdc_get_c3_log_page(nvme_root_t r, struct nvme_dev *dev, char *format)
{
	struct wdc_ssd_latency_monitor_log *log_data;
	nvme_print_flags_t fmt;
	__u8 *data;
	int ret;
	int i;

	if (!wdc_check_device(r, dev))
		return -1;

	ret = validate_output_format(format, &fmt);
	if (ret < 0) {
		fprintf(stderr, "ERROR: WDC: invalid output format\n");
		return ret;
	}

	data = (__u8 *)malloc(sizeof(__u8) * WDC_LATENCY_MON_LOG_BUF_LEN);
	if (!data) {
		fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
		return -1;
	}
	memset(data, 0, sizeof(__u8) * WDC_LATENCY_MON_LOG_BUF_LEN);

	ret = nvme_get_log_simple(dev_fd(dev), WDC_LATENCY_MON_LOG_ID,
				  WDC_LATENCY_MON_LOG_BUF_LEN, data);

	if (strcmp(format, "json"))
		fprintf(stderr, "NVMe Status:%s(%x)\n", nvme_status_to_string(ret, false), ret);

	if (!ret) {
		log_data = (struct wdc_ssd_latency_monitor_log *)data;

		/* check log page version */
		if (log_data->log_page_version != WDC_LATENCY_MON_VERSION) {
			fprintf(stderr, "ERROR: WDC: invalid latency monitor version\n");
			ret = -1;
			goto out;
		}

		/* check log page guid */
		/* Verify GUID matches */
		for (i = 0; i < 16; i++) {
			if (wdc_lat_mon_guid[i] != log_data->log_page_guid[i]) {
				fprintf(stderr, "ERROR: WDC: Unknown GUID in C3 Log Page data\n");
				int j;

				fprintf(stderr, "ERROR: WDC: Expected GUID:  0x");
				for (j = 0; j < 16; j++)
					fprintf(stderr, "%x", wdc_lat_mon_guid[j]);
				fprintf(stderr, "\nERROR: WDC: Actual GUID:    0x");
				for (j = 0; j < 16; j++)
					fprintf(stderr, "%x", log_data->log_page_guid[j]);
				fprintf(stderr, "\n");

				ret = -1;
				goto out;
			}
		}

		/* parse the data */
		wdc_print_latency_monitor_log(dev, log_data, fmt);
	} else {
		fprintf(stderr, "ERROR: WDC: Unable to read C3 data from buffer\n");
	}

out:
	free(data);
	return ret;

}

static int wdc_get_ocp_c1_log_page(nvme_root_t r, struct nvme_dev *dev, char *format)
{
	struct wdc_ocp_c1_error_recovery_log *log_data;
	nvme_print_flags_t fmt;
	__u8 *data;
	int ret;
	int i;

	if (!wdc_check_device(r, dev))
		return -1;

	ret = validate_output_format(format, &fmt);
	if (ret < 0) {
		fprintf(stderr, "ERROR: WDC: invalid output format\n");
		return ret;
	}

	data = (__u8 *)malloc(sizeof(__u8) * WDC_ERROR_REC_LOG_BUF_LEN);
	if (!data) {
		fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
		return -1;
	}
	memset(data, 0, sizeof(__u8) * WDC_ERROR_REC_LOG_BUF_LEN);

	ret = nvme_get_log_simple(dev_fd(dev), WDC_ERROR_REC_LOG_ID,
				  WDC_ERROR_REC_LOG_BUF_LEN, data);

	if (strcmp(format, "json"))
		fprintf(stderr, "NVMe Status:%s(%x)\n", nvme_status_to_string(ret, false), ret);

	if (!ret) {
		log_data = (struct wdc_ocp_c1_error_recovery_log *)data;

		/* check log page version */
		if ((log_data->log_page_version < 1) ||
			(log_data->log_page_version > 3)) {
			fprintf(stderr, "ERROR: WDC: invalid error recovery log version - %d\n",
				log_data->log_page_version);
			ret = -1;
			goto out;
		}

		/* Verify GUID matches */
		for (i = 0; i < WDC_OCP_C1_GUID_LENGTH; i++) {
			if (wdc_ocp_c1_guid[i] != log_data->log_page_guid[i]) {
				fprintf(stderr, "ERROR: WDC: Unknown GUID in C1 Log Page data\n");
				int j;

				fprintf(stderr, "ERROR: WDC: Expected GUID:  0x");
				for (j = 0; j < 16; j++)
					fprintf(stderr, "%x", wdc_ocp_c1_guid[j]);
				fprintf(stderr, "\nERROR: WDC: Actual GUID:    0x");
				for (j = 0; j < 16; j++)
					fprintf(stderr, "%x", log_data->log_page_guid[j]);
				fprintf(stderr, "\n");

				ret = -1;
				goto out;
			}
		}

		/* parse the data */
		wdc_print_error_rec_log(log_data, fmt);
	} else {
		fprintf(stderr, "ERROR: WDC: Unable to read error recovery (C1) data from buffer\n");
	}

out:
	free(data);
	return ret;
}

static int wdc_get_ocp_c4_log_page(nvme_root_t r, struct nvme_dev *dev, char *format)
{
	struct wdc_ocp_C4_dev_cap_log *log_data;
	nvme_print_flags_t fmt;
	__u8 *data;
	int ret;
	int i;

	if (!wdc_check_device(r, dev))
		return -1;

	ret = validate_output_format(format, &fmt);
	if (ret < 0) {
		fprintf(stderr, "ERROR: WDC: invalid output format\n");
		return ret;
	}

	data = (__u8 *)malloc(sizeof(__u8) * WDC_DEV_CAP_LOG_BUF_LEN);
	if (!data) {
		fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
		return -1;
	}
	memset(data, 0, sizeof(__u8) * WDC_DEV_CAP_LOG_BUF_LEN);

	ret = nvme_get_log_simple(dev_fd(dev), WDC_DEV_CAP_LOG_ID,
				  WDC_DEV_CAP_LOG_BUF_LEN, data);

	if (strcmp(format, "json"))
		fprintf(stderr, "NVMe Status:%s(%x)\n", nvme_status_to_string(ret, false), ret);

	if (!ret) {
		log_data = (struct wdc_ocp_C4_dev_cap_log *)data;

		/* check log page version */
		if (log_data->log_page_version != WDC_DEV_CAP_LOG_VERSION) {
			fprintf(stderr, "ERROR: WDC: invalid device capabilities log version - %d\n", log_data->log_page_version);
			ret = -1;
			goto out;
		}

		/* Verify GUID matches */
		for (i = 0; i < WDC_OCP_C4_GUID_LENGTH; i++) {
			if (wdc_ocp_c4_guid[i] != log_data->log_page_guid[i]) {
				fprintf(stderr, "ERROR: WDC: Unknown GUID in C4 Log Page data\n");
				int j;

				fprintf(stderr, "ERROR: WDC: Expected GUID:  0x");
				for (j = 0; j < 16; j++)
					fprintf(stderr, "%x", wdc_ocp_c4_guid[j]);
				fprintf(stderr, "\nERROR: WDC: Actual GUID:    0x");
				for (j = 0; j < 16; j++)
					fprintf(stderr, "%x", log_data->log_page_guid[j]);
				fprintf(stderr, "\n");

				ret = -1;
				goto out;
			}
		}

		/* parse the data */
		wdc_print_dev_cap_log(log_data, fmt);
	} else {
		fprintf(stderr, "ERROR: WDC: Unable to read device capabilities (C4) data from buffer\n");
	}

out:
	free(data);
	return ret;
}

static int wdc_get_ocp_c5_log_page(nvme_root_t r, struct nvme_dev *dev, char *format)
{
	struct wdc_ocp_C5_unsupported_reqs *log_data;
	nvme_print_flags_t fmt;
	int ret;
	__u8 *data;
	int i;

	if (!wdc_check_device(r, dev))
		return -1;

	ret = validate_output_format(format, &fmt);
	if (ret < 0) {
		fprintf(stderr, "ERROR: WDC: invalid output format\n");
		return ret;
	}

	data = (__u8 *)malloc(sizeof(__u8) * WDC_UNSUPPORTED_REQS_LOG_BUF_LEN);
	if (!data) {
		fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
		return -1;
	}
	memset(data, 0, sizeof(__u8) * WDC_UNSUPPORTED_REQS_LOG_BUF_LEN);

	ret = nvme_get_log_simple(dev_fd(dev), WDC_UNSUPPORTED_REQS_LOG_ID,
				  WDC_UNSUPPORTED_REQS_LOG_BUF_LEN, data);

	if (strcmp(format, "json"))
		fprintf(stderr, "NVMe Status:%s(%x)\n", nvme_status_to_string(ret, false), ret);

	if (!ret) {
		log_data = (struct wdc_ocp_C5_unsupported_reqs *)data;

		/* check log page version */
		if (log_data->log_page_version != WDC_UNSUPPORTED_REQS_LOG_VERSION) {
			fprintf(stderr, "ERROR: WDC: invalid unsupported requirements log version - %d\n", log_data->log_page_version);
			ret = -1;
			goto out;
		}

		/* Verify GUID matches */
		for (i = 0; i < WDC_OCP_C5_GUID_LENGTH; i++) {
			if (wdc_ocp_c5_guid[i] != log_data->log_page_guid[i]) {
				fprintf(stderr, "ERROR: WDC: Unknown GUID in C5 Log Page data\n");
				int j;

				fprintf(stderr, "ERROR: WDC: Expected GUID:  0x");
				for (j = 0; j < 16; j++)
					fprintf(stderr, "%x", wdc_ocp_c5_guid[j]);
				fprintf(stderr, "\nERROR: WDC: Actual GUID:    0x");
				for (j = 0; j < 16; j++)
					fprintf(stderr, "%x", log_data->log_page_guid[j]);
				fprintf(stderr, "\n");

				ret = -1;
				goto out;
			}
		}

		/* parse the data */
		wdc_print_unsupported_reqs_log(log_data, fmt);
	} else {
		fprintf(stderr, "ERROR: WDC: Unable to read unsupported requirements (C5) data from buffer\n");
	}

out:
	free(data);
	return ret;
}

static int wdc_get_d0_log_page(nvme_root_t r, struct nvme_dev *dev, char *format)
{
	struct wdc_ssd_d0_smart_log *perf;
	nvme_print_flags_t fmt;
	int ret = 0;
	__u8 *data;

	if (!wdc_check_device(r, dev))
		return -1;

	ret = validate_output_format(format, &fmt);
	if (ret < 0) {
		fprintf(stderr, "ERROR: WDC: invalid output format\n");
		return ret;
	}

	/* verify the 0xD0 log page is supported */
	if (wdc_nvme_check_supported_log_page(r, dev, WDC_NVME_GET_VU_SMART_LOG_OPCODE) == false) {
		fprintf(stderr, "ERROR: WDC: 0xD0 Log Page not supported\n");
		return -1;
	}

	data = (__u8 *)malloc(sizeof(__u8) * WDC_NVME_VU_SMART_LOG_LEN);
	if (!data) {
		fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
		return -1;
	}
	memset(data, 0, sizeof(__u8) * WDC_NVME_VU_SMART_LOG_LEN);

	ret = nvme_get_log_simple(dev_fd(dev),
				  WDC_NVME_GET_VU_SMART_LOG_OPCODE,
				  WDC_NVME_VU_SMART_LOG_LEN, data);
	if (strcmp(format, "json"))
		nvme_show_status(ret);

	if (!ret) {
		/* parse the data */
		perf = (struct wdc_ssd_d0_smart_log *)(data);
		ret = wdc_print_d0_log(perf, fmt);
	} else {
		fprintf(stderr, "ERROR: WDC: Unable to read D0 Log Page data\n");
		ret = -1;
	}

	free(data);
	return ret;
}

static long double le_to_float(__u8 *data, int byte_len)
{
	long double result = 0;
	int i;

	for (i = 0; i < byte_len; i++) {
		result *= 256;
		result += data[15 - i];
	}

	return result;
}

static void stringify_log_page_guid(__u8 *guid, char *buf)
{
	char *ptr = buf;
	int i;

	memset(buf, 0, sizeof(char) * 19);

	ptr += sprintf(ptr, "0x");
	for (i = 0; i < 16; i++)
		ptr += sprintf(ptr, "%x", guid[15 - i]);
}

static const char *const cloud_smart_log_thermal_status[] = {
	[0x00] = "unthrottled",
	[0x01] = "first_level",
	[0x02] = "second_level",
	[0x03] = "third_level",
};

static const char *stringify_cloud_smart_log_thermal_status(__u8 status)
{
	if (status < ARRAY_SIZE(cloud_smart_log_thermal_status) &&
	    cloud_smart_log_thermal_status[status])
		return cloud_smart_log_thermal_status[status];
	return "unrecognized";
}

static void wdc_show_cloud_smart_log_json(struct ocp_cloud_smart_log *log)
{
	struct json_object *root;
	struct json_object *bad_user_nand_blocks;
	struct json_object *bad_system_nand_blocks;
	struct json_object *e2e_correction_counts;
	struct json_object *user_data_erase_counts;
	struct json_object *thermal_status;
	struct json_object *dssd_specific_ver;
	char buf[2 * sizeof(log->log_page_guid) + 3];
	char lowest_fr[sizeof(log->lowest_permitted_fw_rev) + 1];
	uint16_t smart_log_ver = (uint16_t)le16_to_cpu(log->log_page_version);

	bad_user_nand_blocks = json_create_object();
	json_object_add_value_uint(bad_user_nand_blocks, "normalized",
				   le16_to_cpu(log->bad_user_nand_blocks.normalized));
	json_object_add_value_uint(bad_user_nand_blocks, "raw",
				   le64_to_cpu(log->bad_user_nand_blocks.raw));

	bad_system_nand_blocks = json_create_object();
	json_object_add_value_uint(bad_system_nand_blocks, "normalized",
				   le16_to_cpu(log->bad_system_nand_blocks.normalized));
	json_object_add_value_uint(bad_system_nand_blocks, "raw",
				   le64_to_cpu(log->bad_system_nand_blocks.raw));

	e2e_correction_counts = json_create_object();
	json_object_add_value_uint(e2e_correction_counts, "corrected",
				   le32_to_cpu(log->e2e_correction_counts.corrected));
	json_object_add_value_uint(e2e_correction_counts, "detected",
				   le32_to_cpu(log->e2e_correction_counts.detected));

	user_data_erase_counts = json_create_object();
	json_object_add_value_uint(user_data_erase_counts, "minimum",
				   le32_to_cpu(log->user_data_erase_counts.minimum));
	json_object_add_value_uint(user_data_erase_counts, "maximum",
				   le32_to_cpu(log->user_data_erase_counts.maximum));

	thermal_status = json_create_object();
	json_object_add_value_string(thermal_status, "current_status",
		stringify_cloud_smart_log_thermal_status(log->thermal_status.current_status));
	json_object_add_value_uint(thermal_status, "num_events",
				   log->thermal_status.num_events);

	dssd_specific_ver = json_create_object();
	json_object_add_value_uint(dssd_specific_ver, "major_ver",
				   log->dssd_specific_ver.major_ver);
	json_object_add_value_uint(dssd_specific_ver, "minor_ver",
				   le16_to_cpu(log->dssd_specific_ver.minor_ver));
	json_object_add_value_uint(dssd_specific_ver, "point_ver",
				   le16_to_cpu(log->dssd_specific_ver.point_ver));
	json_object_add_value_uint(dssd_specific_ver, "errata_ver",
				   log->dssd_specific_ver.errata_ver);

	root = json_create_object();
	json_object_add_value_uint64(root, "physical_media_units_written",
				     le_to_float(log->physical_media_units_written, 16));
	json_object_add_value_uint64(root, "physical_media_units_read",
				     le_to_float(log->physical_media_units_read, 16));
	json_object_add_value_object(root, "bad_user_nand_blocks",
				     bad_user_nand_blocks);
	json_object_add_value_object(root, "bad_system_nand_blocks",
				     bad_system_nand_blocks);
	json_object_add_value_uint(root, "xor_recovery_count",
				   le64_to_cpu(log->xor_recovery_count));
	json_object_add_value_uint(root, "uncorrectable_read_error_count",
				   le64_to_cpu(log->uncorrectable_read_error_count));
	json_object_add_value_uint(root, "soft_ecc_error_count",
				   le64_to_cpu(log->soft_ecc_error_count));
	json_object_add_value_object(root, "e2e_correction_counts",
				     e2e_correction_counts);
	json_object_add_value_uint(root, "system_data_percent_used",
				   log->system_data_percent_used);
	json_object_add_value_uint(root, "refresh_counts",
				   le64_to_cpu(log->refresh_counts));
	json_object_add_value_object(root, "user_data_erase_counts",
				     user_data_erase_counts);
	json_object_add_value_object(root, "thermal_status", thermal_status);
	if (smart_log_ver >= 3)
		json_object_add_value_object(root, "dssd_specific_ver",
				     dssd_specific_ver);
	json_object_add_value_uint(root, "pcie_correctable_error_count",
				   le64_to_cpu(log->pcie_correctable_error_count));
	json_object_add_value_uint(root, "incomplete_shutdowns",
				   le32_to_cpu(log->incomplete_shutdowns));
	json_object_add_value_uint(root, "percent_free_blocks",
				   log->percent_free_blocks);
	json_object_add_value_uint(root, "capacitor_health",
				   le16_to_cpu(log->capacitor_health));
	if (smart_log_ver >= 3) {
		if (smart_log_ver >= 4) {
			sprintf(buf, "%c", log->nvme_base_errata_ver);
			json_object_add_value_string(root, "nvme_base_errata_version", buf);
			sprintf(buf, "%c", log->nvme_cmd_set_errata_ver);
			json_object_add_value_string(root, "nvme_cmd_set_errata_version", buf);
		} else {
			sprintf(buf, "%c", log->nvme_base_errata_ver);
			json_object_add_value_string(root, "nvme_errata_version", buf);
		}
	}

	json_object_add_value_uint(root, "unaligned_io",
				   le64_to_cpu(log->unaligned_io));
	json_object_add_value_uint(root, "security_version_number",
				   le64_to_cpu(log->security_version_number));
	json_object_add_value_uint(root, "total_nuse",
				   le64_to_cpu(log->total_nuse));
	json_object_add_value_uint64(root, "plp_start_count",
				     le_to_float(log->plp_start_count, 16));
	json_object_add_value_uint64(root, "endurance_estimate",
				     le_to_float(log->endurance_estimate, 16));
	if (smart_log_ver >= 3) {
		json_object_add_value_uint(root, "pcie_link_retraining_count",
					   le64_to_cpu(log->pcie_link_retraining_cnt));
		json_object_add_value_uint(root, "power_state_change_count",
					   le64_to_cpu(log->power_state_change_cnt));
		if (smart_log_ver >= 4) {
			snprintf(lowest_fr, sizeof(lowest_fr), "%-.*s",
					(int)sizeof(log->lowest_permitted_fw_rev),
					log->lowest_permitted_fw_rev);
			json_object_add_value_string(root, "lowest_permitted_fw_rev", lowest_fr);
		} else
			json_object_add_value_uint128(root, "hardware_revision",
					le128_to_cpu((__u8 *)&log->lowest_permitted_fw_rev[0]));
	}
	json_object_add_value_uint(root, "log_page_version",
			smart_log_ver);
	stringify_log_page_guid(log->log_page_guid, buf);
	json_object_add_value_string(root, "log_page_guid", buf);

	json_print_object(root, NULL);
	printf("\n");
	json_free_object(root);
}

static void wdc_show_cloud_smart_log_normal(struct ocp_cloud_smart_log *log,
		struct nvme_dev *dev)
{
	char buf[2 * sizeof(log->log_page_guid) + 3];
	uint16_t smart_log_ver = (uint16_t)le16_to_cpu(log->log_page_version);

	printf("SMART Cloud Attributes for NVMe device       : %s\n", dev->name);
	printf("Physical Media Units Written                 : %'.0Lf\n",
	       le_to_float(log->physical_media_units_written, 16));
	printf("Physical Media Units Read                    : %'.0Lf\n",
	       le_to_float(log->physical_media_units_read, 16));
	printf("Bad User NAND Blocks (Normalized)            : %" PRIu16 "%%\n",
	       le16_to_cpu(log->bad_user_nand_blocks.normalized));
	printf("Bad User NAND Blocks (Raw)                   : %" PRIu64 "\n",
	       le64_to_cpu(log->bad_user_nand_blocks.raw));
	printf("Bad System NAND Blocks (Normalized)          : %" PRIu16 "%%\n",
	       le16_to_cpu(log->bad_system_nand_blocks.normalized));
	printf("Bad System NAND Blocks (Raw)                 : %" PRIu64 "\n",
	       le64_to_cpu(log->bad_system_nand_blocks.raw));
	printf("XOR Recovery Count                           : %" PRIu64 "\n",
	       le64_to_cpu(log->xor_recovery_count));
	printf("Uncorrectable Read Error Count               : %" PRIu64 "\n",
	       le64_to_cpu(log->uncorrectable_read_error_count));
	printf("Soft ECC Error Count                         : %" PRIu64 "\n",
	       le64_to_cpu(log->soft_ecc_error_count));
	printf("End to End Correction Counts (Corrected)     : %" PRIu32 "\n",
	       le32_to_cpu(log->e2e_correction_counts.corrected));
	printf("End to End Correction Counts (Detected)      : %" PRIu32 "\n",
	       le32_to_cpu(log->e2e_correction_counts.detected));
	printf("System Data %% Used                           : %" PRIu8 "%%\n",
	       log->system_data_percent_used);
	printf("Refresh Counts                               : %" PRIu64 "\n",
	       le64_to_cpu(log->refresh_counts));
	printf("User Data Erase Counts (Minimum)             : %" PRIu32 "\n",
	       le32_to_cpu(log->user_data_erase_counts.minimum));
	printf("User Data Erase Counts (Maximum)             : %" PRIu32 "\n",
	       le32_to_cpu(log->user_data_erase_counts.maximum));
	printf("Thermal Throttling Status (Current Status)   : %s\n",
	       stringify_cloud_smart_log_thermal_status(log->thermal_status.current_status));
	printf("Thermal Throttling Status (Number of Events) : %" PRIu8 "\n",
	       log->thermal_status.num_events);
	if (smart_log_ver >= 3) {
		printf("NVMe Major Version                           : %" PRIu8 "\n",
			   log->dssd_specific_ver.major_ver);
		printf("     Minor Version                           : %" PRIu16 "\n",
		le16_to_cpu(log->dssd_specific_ver.minor_ver));
		printf("     Point Version                           : %" PRIu16 "\n",
		le16_to_cpu(log->dssd_specific_ver.point_ver));
		printf("     Errata Version                          : %" PRIu8 "\n",
			   log->dssd_specific_ver.errata_ver);
	}
	printf("PCIe Correctable Error Count                 : %" PRIu64 "\n",
	       le64_to_cpu(log->pcie_correctable_error_count));
	printf("Incomplete Shutdowns                         : %" PRIu32 "\n",
	       le32_to_cpu(log->incomplete_shutdowns));
	printf("%% Free Blocks                                : %" PRIu8 "%%\n",
	       log->percent_free_blocks);
	printf("Capacitor Health                             : %" PRIu16 "%%\n",
	       le16_to_cpu(log->capacitor_health));
	if (smart_log_ver >= 3) {
		if (smart_log_ver >= 4) {
			printf("NVMe Base Errata Version                     : %c\n",
				   log->nvme_base_errata_ver);
			printf("NVMe Command Set Errata Version              : %c\n",
				   log->nvme_cmd_set_errata_ver);
		} else {
			printf("NVMe Errata Version                          : %c\n",
				   log->nvme_base_errata_ver);
		}
	}
	printf("Unaligned IO                                 : %" PRIu64 "\n",
	       le64_to_cpu(log->unaligned_io));
	printf("Security Version Number                      : %" PRIu64 "\n",
	       le64_to_cpu(log->security_version_number));
	printf("Total NUSE                                   : %" PRIu64 "\n",
	       le64_to_cpu(log->total_nuse));
	printf("PLP Start Count                              : %'.0Lf\n",
	       le_to_float(log->plp_start_count, 16));
	printf("Endurance Estimate                           : %'.0Lf\n",
	       le_to_float(log->endurance_estimate, 16));
	if (smart_log_ver >= 3) {
		printf("PCIe Link Retraining Count                   : %" PRIu64 "\n",
		       le64_to_cpu(log->pcie_link_retraining_cnt));
		printf("Power State Change Count                     : %" PRIu64 "\n",
		       le64_to_cpu(log->power_state_change_cnt));
		if (smart_log_ver >= 4)
			printf("Lowest Permitted FW Revision                 : %-.*s\n",
					(int)sizeof(log->lowest_permitted_fw_rev),
					log->lowest_permitted_fw_rev);
		else
			printf("Hardware Revision                            : %s\n",
					uint128_t_to_string(le128_to_cpu(
							(__u8 *)&log->lowest_permitted_fw_rev[0])));
	}
	printf("Log Page Version                             : %" PRIu16 "\n",
			smart_log_ver);
	stringify_log_page_guid(log->log_page_guid, buf);
	printf("Log Page GUID                                : %s\n", buf);
	printf("\n\n");
}

static int wdc_vs_smart_add_log(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	const char *desc = "Retrieve additional performance statistics.";
	const char *interval = "Interval to read the statistics from [1, 15].";
	const char *log_page_version = "Log Page Version: 0 = vendor, 1 = WDC";
	const char *log_page_mask = "Log Page Mask, comma separated list: 0xC0, 0xC1, 0xCA, 0xD0";
	const char *namespace_id = "desired namespace id";
	nvme_print_flags_t fmt;
	struct nvme_dev *dev;
	nvme_root_t r;
	int ret = 0;
	int uuid_index = 0;
	int page_mask = 0, num, i;
	int log_page_list[16];
	__u64 capabilities = 0;
	__u32 device_id, read_vendor_id;

	struct config {
		uint8_t interval;
		char *output_format;
		__u8  log_page_version;
		char *log_page_mask;
		__u32 namespace_id;
	};

	struct config cfg = {
		.interval = 14,
		.output_format = "normal",
		.log_page_version   = 0,
		.log_page_mask   = "",
		.namespace_id = NVME_NSID_ALL,
	};

	OPT_ARGS(opts) = {
		OPT_UINT("interval",          'i', &cfg.interval,         interval),
		OPT_FMT("output-format",      'o', &cfg.output_format,    output_format),
		OPT_BYTE("log-page-version",  'l', &cfg.log_page_version, log_page_version),
		OPT_LIST("log-page-mask",     'p', &cfg.log_page_mask,    log_page_mask),
		OPT_UINT("namespace-id",      'n', &cfg.namespace_id,     namespace_id),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);
	if (!cfg.log_page_version) {
		uuid_index = 0;
	} else if (cfg.log_page_version == 1) {
		uuid_index = 1;
	} else {
		fprintf(stderr, "ERROR: WDC: unsupported log page version for this command\n");
		ret = -1;
		goto out;
	}

	num = argconfig_parse_comma_sep_array(cfg.log_page_mask, log_page_list, 16);

	if (num == -1) {
		fprintf(stderr, "ERROR: WDC: log page list is malformed\n");
		ret = -1;
		goto out;
	}

	if (!num) {
		page_mask |= WDC_ALL_PAGE_MASK;
	} else {
		for (i = 0; i < num; i++) {
			if (log_page_list[i] == 0xc0)
				page_mask |= WDC_C0_PAGE_MASK;
			if (log_page_list[i] == 0xc1)
				page_mask |= WDC_C1_PAGE_MASK;
			if (log_page_list[i] == 0xca)
				page_mask |= WDC_CA_PAGE_MASK;
			if (log_page_list[i] == 0xd0)
				page_mask |= WDC_D0_PAGE_MASK;
		}
	}

	if (!page_mask)
		fprintf(stderr, "ERROR: WDC: Unknown log page mask - %s\n", cfg.log_page_mask);

	ret = wdc_get_pci_ids(r, dev, &device_id, &read_vendor_id);

	capabilities = wdc_get_drive_capabilities(r, dev);
	if (!(capabilities & WDC_DRIVE_CAP_SMART_LOG_MASK)) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
		goto out;
	}

	if (((capabilities & WDC_DRIVE_CAP_C0_LOG_PAGE) == WDC_DRIVE_CAP_C0_LOG_PAGE) &&
	    (page_mask & WDC_C0_PAGE_MASK)) {
		/* Get 0xC0 log page if possible. */
		if (!wdc_is_sn861(device_id)) {
			ret = wdc_get_c0_log_page(r, dev, cfg.output_format,
						uuid_index, cfg.namespace_id);
			if (ret)
				fprintf(stderr,
					"ERROR: WDC: Failure reading the C0 Log Page, ret = %d\n",
					ret);
		} else {
			ret = validate_output_format(cfg.output_format, &fmt);
			if (ret < 0) {
				fprintf(stderr, "Invalid output format: %s\n", cfg.output_format);
				goto out;
			}

			ret = nvme_get_print_ocp_cloud_smart_log(dev,
					0,
					NVME_NSID_ALL,
					fmt);
		}
	}
	if (((capabilities & (WDC_DRIVE_CAP_CA_LOG_PAGE)) == (WDC_DRIVE_CAP_CA_LOG_PAGE)) &&
	    (page_mask & WDC_CA_PAGE_MASK) &&
	    (!wdc_is_sn861(device_id))) {
		/* Get the CA Log Page */
		ret = wdc_get_ca_log_page(r, dev, cfg.output_format);
		if (ret)
			fprintf(stderr, "ERROR: WDC: Failure reading the CA Log Page, ret = %d\n", ret);
	}
	if (((capabilities & WDC_DRIVE_CAP_C1_LOG_PAGE) == WDC_DRIVE_CAP_C1_LOG_PAGE) &&
	    (page_mask & WDC_C1_PAGE_MASK)) {
		/* Get the C1 Log Page */
		ret = wdc_get_c1_log_page(r, dev, cfg.output_format,
					  cfg.interval);
		if (ret)
			fprintf(stderr, "ERROR: WDC: Failure reading the C1 Log Page, ret = %d\n", ret);
	}
	if (((capabilities & WDC_DRIVE_CAP_D0_LOG_PAGE) == WDC_DRIVE_CAP_D0_LOG_PAGE) &&
	    (page_mask & WDC_D0_PAGE_MASK)) {
		/* Get the D0 Log Page */
		ret = wdc_get_d0_log_page(r, dev, cfg.output_format);
		if (ret)
			fprintf(stderr, "ERROR: WDC: Failure reading the D0 Log Page, ret = %d\n", ret);
	}

out:
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_vs_cloud_log(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	const char *desc = "Retrieve Cloud Log Smart/Health Information";
	const char *namespace_id = "desired namespace id";
	nvme_print_flags_t fmt;
	__u64 capabilities = 0;
	struct nvme_dev *dev;
	nvme_root_t r;
	int ret;
	__u8 *data;

	struct config {
		char *output_format;
		__u32 namespace_id;
	};

	struct config cfg = {
		.output_format = "normal",
		.namespace_id = NVME_NSID_ALL,
	};

	OPT_ARGS(opts) = {
		OPT_FMT("output-format",      'o', &cfg.output_format,    "Output Format: normal|json"),
		OPT_UINT("namespace-id",      'n', &cfg.namespace_id,     namespace_id),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);

	capabilities = wdc_get_drive_capabilities(r, dev);

	if (!(capabilities & WDC_DRIVE_CAP_CLOUD_LOG_PAGE)) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
		goto out;
	}

	data = NULL;
	ret = nvme_get_ext_smart_cloud_log(dev_fd(dev), &data, 0,
					   cfg.namespace_id);

	if (strcmp(cfg.output_format, "json"))
		nvme_show_status(ret);

	if (!ret) {
		ret = validate_output_format(cfg.output_format, &fmt);
		if (ret < 0) {
			fprintf(stderr, "ERROR: WDC %s: invalid output format\n", __func__);
		} else {
			/* parse the data */
			wdc_print_ext_smart_cloud_log(data, fmt);
		}
	} else {
		fprintf(stderr, "ERROR: WDC: Unable to read C0 Log Page V1 data\n");
		ret = -1;
	}

	if (data)
		free(data);

out:
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_vs_hw_rev_log(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	const char *desc = "Retrieve Hardware Revision Log Information";
	const char *namespace_id = "desired namespace id";
	nvme_print_flags_t fmt;
	__u64 capabilities = 0;
	struct nvme_dev *dev;
	int ret;
	__u8 *data = NULL;
	nvme_root_t r;

	struct config {
		char *output_format;
		__u32 namespace_id;
	};

	struct config cfg = {
		.output_format = "normal",
		.namespace_id = NVME_NSID_ALL,
	};

	OPT_ARGS(opts) = {
		OPT_FMT("output-format",      'o', &cfg.output_format,    "Output Format: normal|json"),
		OPT_UINT("namespace-id",      'n', &cfg.namespace_id,     namespace_id),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);

	capabilities = wdc_get_drive_capabilities(r, dev);

	if (!(capabilities & WDC_DRIVE_CAP_HW_REV_LOG_PAGE)) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
		goto out;
	}

	ret = nvme_get_hw_rev_log(dev_fd(dev), &data, 0, cfg.namespace_id);

	if (strcmp(cfg.output_format, "json"))
		nvme_show_status(ret);

	if (!ret) {
		ret = validate_output_format(cfg.output_format, &fmt);
		if (ret < 0) {
			fprintf(stderr, "ERROR: WDC %s: invalid output format\n", __func__);
			goto free_buf;
		}

		if (!data) {
			fprintf(stderr, "ERROR: WDC: Invalid buffer to read Hardware Revision log\n");
			ret = -1;
			goto out;
		}
		switch (fmt) {
		case NORMAL:
			wdc_print_hw_rev_log_normal(data);
			break;
		case JSON:
			wdc_print_hw_rev_log_json(data);
			break;
		default:
			break;
		}
	} else {
		fprintf(stderr, "ERROR: WDC: Unable to read Hardware Revision Log Page data\n");
		ret = -1;
	}

free_buf:
	if (data)
		free(data);

out:
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_vs_device_waf(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	const char *desc = "Retrieve Device Write Amplication Factor";
	const char *namespace_id = "desired namespace id";
	struct nvme_smart_log smart_log;
	nvme_print_flags_t fmt;
	struct nvme_dev *dev;
	__u8 *data;
	nvme_root_t r;
	int ret = 0;
	__u64 capabilities = 0;
	struct __packed wdc_nvme_ext_smart_log * ext_smart_log_ptr;
	long double  data_units_written = 0,
			phys_media_units_written_tlc = 0,
			phys_media_units_written_slc = 0;
	struct json_object *root = NULL;
	char tlc_waf_str[32] = { 0 },
			slc_waf_str[32] = { 0 };

	struct config {
		char *output_format;
		__u32 namespace_id;
	};

	struct config cfg = {
		.output_format = "normal",
		.namespace_id = NVME_NSID_ALL,
	};

	OPT_ARGS(opts) = {
		OPT_FMT("output-format",      'o', &cfg.output_format,    "Output Format: normal|json"),
		OPT_UINT("namespace-id",      'n', &cfg.namespace_id,     namespace_id),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);

	capabilities = wdc_get_drive_capabilities(r, dev);

	if (!(capabilities & WDC_DRIVE_CAP_DEVICE_WAF)) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
		goto out;
	}

	/* get data units written from the smart log page */
	ret = nvme_get_log_smart(dev_fd(dev), cfg.namespace_id, false,
				 &smart_log);
	if (!ret) {
		data_units_written = int128_to_double(smart_log.data_units_written);
	} else if (ret > 0) {
		nvme_show_status(ret);
		ret = -1;
		goto out;
	} else {
		fprintf(stderr, "smart log: %s\n", nvme_strerror(errno));
		ret = -1;
		goto out;
	}

	/* get Physical Media Units Written from extended smart/C0 log page */
	data = NULL;
	ret = nvme_get_ext_smart_cloud_log(dev_fd(dev), &data, 0,
					   cfg.namespace_id);

	if (!ret) {
		ext_smart_log_ptr = (struct __packed wdc_nvme_ext_smart_log *)data;
		phys_media_units_written_tlc = int128_to_double(ext_smart_log_ptr->ext_smart_pmuwt);
		phys_media_units_written_slc = int128_to_double(ext_smart_log_ptr->ext_smart_pmuws);

		if (data)
			free(data);
	} else {
		fprintf(stderr, "ERROR: WDC %s: get smart cloud log failure\n", __func__);
		ret = -1;
		goto out;
	}

	if (strcmp(cfg.output_format, "json"))
		nvme_show_status(ret);

	ret = validate_output_format(cfg.output_format, &fmt);
	if (ret < 0) {
		fprintf(stderr, "ERROR: WDC %s: invalid output format\n", __func__);
		goto out;
	}

	if (!data_units_written) {
		fprintf(stderr, "ERROR: WDC %s: 0 data units written\n", __func__);
		ret = -1;
		goto out;
	}

	if (fmt == NORMAL) {
		printf("Device Write Amplification Factor TLC : %4.2Lf\n",
				(phys_media_units_written_tlc/data_units_written));
		printf("Device Write Amplification Factor SLC : %4.2Lf\n",
				(phys_media_units_written_slc/data_units_written));
	} else if (fmt == JSON) {
		root = json_create_object();
		sprintf(tlc_waf_str, "%4.2Lf", (phys_media_units_written_tlc/data_units_written));
		sprintf(slc_waf_str, "%4.2Lf", (phys_media_units_written_slc/data_units_written));

		json_object_add_value_string(root, "Device Write Amplification Factor TLC", tlc_waf_str);
		json_object_add_value_string(root, "Device Write Amplification Factor SLC", slc_waf_str);

		json_print_object(root, NULL);
		printf("\n");

		json_free_object(root);
	}

out:
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_get_latency_monitor_log(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	const char *desc = "Retrieve latency monitor log data.";
	__u64 capabilities = 0;
	struct nvme_dev *dev;
	nvme_root_t r;
	int ret = 0;

	struct config {
		char *output_format;
	};

	struct config cfg = {
		.output_format = "normal",
	};

	OPT_ARGS(opts) = {
		OPT_FMT("output-format",      'o', &cfg.output_format,    "Output Format: normal|json"),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);
	capabilities = wdc_get_drive_capabilities(r, dev);

	if (!(capabilities & WDC_DRIVE_CAP_C3_LOG_PAGE)) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
		goto out;
	}

	ret = wdc_get_c3_log_page(r, dev, cfg.output_format);
	if (ret)
		fprintf(stderr, "ERROR: WDC: Failure reading the Latency Monitor (C3) Log Page, ret = %d\n", ret);

out:
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_get_error_recovery_log(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	const char *desc = "Retrieve error recovery log data.";
	__u64 capabilities = 0;
	struct nvme_dev *dev;
	nvme_root_t r;
	int ret = 0;

	struct config {
		char *output_format;
	};

	struct config cfg = {
		.output_format = "normal",
	};

	OPT_ARGS(opts) = {
		OPT_FMT("output-format",      'o', &cfg.output_format,    "Output Format: normal|json"),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);
	capabilities = wdc_get_drive_capabilities(r, dev);

	if (!(capabilities & WDC_DRIVE_CAP_OCP_C1_LOG_PAGE)) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
		goto out;
	}

	ret = wdc_get_ocp_c1_log_page(r, dev, cfg.output_format);
	if (ret)
		fprintf(stderr, "ERROR: WDC: Failure reading the Error Recovery (C1) Log Page, ret = 0x%x\n", ret);

out:
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_get_dev_capabilities_log(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	const char *desc = "Retrieve device capabilities log data.";
	__u64 capabilities = 0;
	struct nvme_dev *dev;
	nvme_root_t r;
	int ret = 0;

	struct config {
		char *output_format;
	};

	struct config cfg = {
		.output_format = "normal",
	};

	OPT_ARGS(opts) = {
		OPT_FMT("output-format",      'o', &cfg.output_format,    "Output Format: normal|json"),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);
	capabilities = wdc_get_drive_capabilities(r, dev);

	if (!(capabilities & WDC_DRIVE_CAP_OCP_C4_LOG_PAGE)) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
		goto out;
	}

	ret = wdc_get_ocp_c4_log_page(r, dev, cfg.output_format);
	if (ret)
		fprintf(stderr, "ERROR: WDC: Failure reading the Device Capabilities (C4) Log Page, ret = 0x%x\n", ret);

out:
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_get_unsupported_reqs_log(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	const char *desc = "Retrieve unsupported requirements log data.";
	__u64 capabilities = 0;
	struct nvme_dev *dev;
	nvme_root_t r;
	int ret = 0;

	struct config {
		char *output_format;
	};

	struct config cfg = {
		.output_format = "normal",
	};

	OPT_ARGS(opts) = {
		OPT_FMT("output-format",      'o', &cfg.output_format,    "Output Format: normal|json"),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);
	capabilities = wdc_get_drive_capabilities(r, dev);

	if (!(capabilities & WDC_DRIVE_CAP_OCP_C5_LOG_PAGE)) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
		goto out;
	}

	ret = wdc_get_ocp_c5_log_page(r, dev, cfg.output_format);
	if (ret)
		fprintf(stderr, "ERROR: WDC: Failure reading the Unsupported Requirements (C5) Log Page, ret = 0x%x\n", ret);

out:
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_do_clear_pcie_correctable_errors(int fd)
{
	int ret;
	struct nvme_passthru_cmd admin_cmd;

	memset(&admin_cmd, 0, sizeof(admin_cmd));
	admin_cmd.opcode = WDC_NVME_CLEAR_PCIE_CORR_OPCODE;
	admin_cmd.cdw12 = ((WDC_NVME_CLEAR_PCIE_CORR_SUBCMD << WDC_NVME_SUBCMD_SHIFT) |
			WDC_NVME_CLEAR_PCIE_CORR_CMD);

	ret = nvme_submit_admin_passthru(fd, &admin_cmd, NULL);
	nvme_show_status(ret);
	return ret;
}

static int wdc_do_clear_pcie_correctable_errors_vuc(int fd)
{
	int ret;
	struct nvme_passthru_cmd admin_cmd;

	memset(&admin_cmd, 0, sizeof(admin_cmd));
	admin_cmd.opcode = WDC_NVME_CLEAR_PCIE_CORR_OPCODE_VUC;

	ret = nvme_submit_admin_passthru(fd, &admin_cmd, NULL);
	nvme_show_status(ret);
	return ret;
}

static int wdc_do_clear_pcie_correctable_errors_fid(int fd)
{
	int ret;
	__u32 result;
	__u32 value = 1 << 31; /* Bit 31 - clear PCIe correctable count */

	ret = nvme_set_features_simple(fd, WDC_NVME_CLEAR_PCIE_CORR_FEATURE_ID, 0, value,
				false, &result);

	nvme_show_status(ret);
	return ret;
}

static int wdc_clear_pcie_correctable_errors(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	char *desc = "Clear PCIE Correctable Errors.";
	__u64 capabilities = 0;
	struct nvme_dev *dev;
	nvme_root_t r;
	int ret;

	OPT_ARGS(opts) = {
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);
	if (!wdc_check_device(r, dev)) {
		ret = -1;
		goto out;
	}

	capabilities = wdc_get_drive_capabilities(r, dev);
	if (!(capabilities & WDC_DRIVE_CAP_CLEAR_PCIE_MASK)) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
		goto out;
	}

	if (capabilities & WDC_DRIVE_CAP_CLEAR_PCIE)
		ret = wdc_do_clear_pcie_correctable_errors(dev_fd(dev));
	else if (capabilities & WDC_DRIVE_CAP_VUC_CLEAR_PCIE)
		ret = wdc_do_clear_pcie_correctable_errors_vuc(dev_fd(dev));
	else
		ret = wdc_do_clear_pcie_correctable_errors_fid(dev_fd(dev));

out:
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_drive_status(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	char *desc = "Get Drive Status.";
	struct nvme_dev *dev;
	int ret = 0;
	nvme_root_t r;
	void *dev_mng_log = NULL;
	__u32 system_eol_state;
	__u32 user_eol_state;
	__u32 format_corrupt_reason = 0xFFFFFFFF;
	__u32 eol_status;
	__u32 assert_status = 0xFFFFFFFF;
	__u32 thermal_status = 0xFFFFFFFF;
	__u64 capabilities = 0;

	OPT_ARGS(opts) = {
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);
	capabilities = wdc_get_drive_capabilities(r, dev);
	if ((capabilities & WDC_DRIVE_CAP_DRIVE_STATUS) != WDC_DRIVE_CAP_DRIVE_STATUS) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
		goto out;
	}

	/* verify the 0xC2 Device Manageability log page is supported */
	if (wdc_nvme_check_supported_log_page(r, dev,
					      WDC_NVME_GET_DEV_MGMNT_LOG_PAGE_ID) == false) {
		fprintf(stderr, "ERROR: WDC: 0xC2 Log Page not supported\n");
		ret = -1;
		goto out;
	}

	if (!get_dev_mgment_data(r, dev, &dev_mng_log)) {
		fprintf(stderr, "ERROR: WDC: 0xC2 Log Page not found\n");
		ret = -1;
		goto out;
	}

	/* Get the assert dump present status */
	if (!wdc_nvme_parse_dev_status_log_entry(dev_mng_log, &assert_status,
			WDC_C2_ASSERT_DUMP_PRESENT_ID))
		fprintf(stderr, "ERROR: WDC: Get Assert Status Failed\n");

	/* Get the thermal throttling status */
	if (!wdc_nvme_parse_dev_status_log_entry(dev_mng_log, &thermal_status,
			WDC_C2_THERMAL_THROTTLE_STATUS_ID))
		fprintf(stderr, "ERROR: WDC: Get Thermal Throttling Status Failed\n");

	/* Get EOL status */
	if (!wdc_nvme_parse_dev_status_log_entry(dev_mng_log, &eol_status,
			WDC_C2_USER_EOL_STATUS_ID)) {
		fprintf(stderr, "ERROR: WDC: Get User EOL Status Failed\n");
		eol_status = cpu_to_le32(-1);
	}

	/* Get Customer EOL state */
	if (!wdc_nvme_parse_dev_status_log_entry(dev_mng_log, &user_eol_state,
			WDC_C2_USER_EOL_STATE_ID))
		fprintf(stderr, "ERROR: WDC: Get User EOL State Failed\n");

	/* Get System EOL state*/
	if (!wdc_nvme_parse_dev_status_log_entry(dev_mng_log, &system_eol_state,
			WDC_C2_SYSTEM_EOL_STATE_ID))
		fprintf(stderr, "ERROR: WDC: Get System EOL State Failed\n");

	/* Get format corrupt reason*/
	if (!wdc_nvme_parse_dev_status_log_entry(dev_mng_log, &format_corrupt_reason,
			WDC_C2_FORMAT_CORRUPT_REASON_ID))
		fprintf(stderr, "ERROR: WDC: Get Format Corrupt Reason Failed\n");

	printf("  Drive Status :-\n");
	if ((int)le32_to_cpu(eol_status) >= 0)
		printf("  Percent Used:				%"PRIu32"%%\n",
		       le32_to_cpu(eol_status));
	else
		printf("  Percent Used:				Unknown\n");
	if (system_eol_state == WDC_EOL_STATUS_NORMAL && user_eol_state == WDC_EOL_STATUS_NORMAL)
		printf("  Drive Life Status:			Normal\n");
	else if (system_eol_state == WDC_EOL_STATUS_END_OF_LIFE ||
		 user_eol_state == WDC_EOL_STATUS_END_OF_LIFE)
		printf("  Drive Life Status:			End Of Life\n");
	else if (system_eol_state == WDC_EOL_STATUS_READ_ONLY ||
		 user_eol_state == WDC_EOL_STATUS_READ_ONLY)
		printf("  Drive Life Status:			Read Only\n");
	else
		printf("  Drive Life Status:			Unknown : 0x%08x/0x%08x\n",
		       le32_to_cpu(user_eol_state), le32_to_cpu(system_eol_state));

	if (assert_status == WDC_ASSERT_DUMP_PRESENT)
		printf("  Assert Dump Status:			Present\n");
	else if (assert_status == WDC_ASSERT_DUMP_NOT_PRESENT)
		printf("  Assert Dump Status:			Not Present\n");
	else
		printf("  Assert Dump Status:			Unknown : 0x%08x\n", le32_to_cpu(assert_status));

	if (thermal_status == WDC_THERMAL_THROTTLING_OFF)
		printf("  Thermal Throttling Status:		Off\n");
	else if (thermal_status == WDC_THERMAL_THROTTLING_ON)
		printf("  Thermal Throttling Status:		On\n");
	else if (thermal_status == WDC_THERMAL_THROTTLING_UNAVAILABLE)
		printf("  Thermal Throttling Status:		Unavailable\n");
	else
		printf("  Thermal Throttling Status:		Unknown : 0x%08x\n", le32_to_cpu(thermal_status));

	if (format_corrupt_reason == WDC_FORMAT_NOT_CORRUPT)
		printf("  Format Corrupt Reason:		Format Not Corrupted\n");
	else if (format_corrupt_reason == WDC_FORMAT_CORRUPT_FW_ASSERT)
		printf("  Format Corrupt Reason:	        Format Corrupt due to FW Assert\n");
	else if (format_corrupt_reason == WDC_FORMAT_CORRUPT_UNKNOWN)
		printf("  Format Corrupt Reason:	        Format Corrupt for Unknown Reason\n");
	else
		printf("  Format Corrupt Reason:	        Unknown : 0x%08x\n", le32_to_cpu(format_corrupt_reason));

	free(dev_mng_log);
out:
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_clear_assert_dump(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	char *desc = "Clear Assert Dump Present Status.";
	struct nvme_dev *dev;
	int ret = -1;
	nvme_root_t r;
	__le32 assert_status = cpu_to_le32(0xFFFFFFFF);
	__u64 capabilities = 0;
	struct nvme_passthru_cmd admin_cmd;

	OPT_ARGS(opts) = {
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);
	capabilities = wdc_get_drive_capabilities(r, dev);
	if ((capabilities & WDC_DRIVE_CAP_CLEAR_ASSERT) != WDC_DRIVE_CAP_CLEAR_ASSERT) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
		goto out;
	}
	if (!wdc_nvme_get_dev_status_log_data(r, dev, &assert_status,
			WDC_C2_ASSERT_DUMP_PRESENT_ID)) {
		fprintf(stderr, "ERROR: WDC: Get Assert Status Failed\n");
		ret = -1;
		goto out;
	}

	/* Get the assert dump present status */
	if (assert_status == WDC_ASSERT_DUMP_PRESENT) {
		memset(&admin_cmd, 0, sizeof(admin_cmd));
		admin_cmd.opcode = WDC_NVME_CLEAR_ASSERT_DUMP_OPCODE;
		admin_cmd.cdw12 = ((WDC_NVME_CLEAR_ASSERT_DUMP_SUBCMD << WDC_NVME_SUBCMD_SHIFT) |
				WDC_NVME_CLEAR_ASSERT_DUMP_CMD);

		ret = nvme_submit_admin_passthru(dev_fd(dev), &admin_cmd,
						 NULL);
		nvme_show_status(ret);
	} else
		fprintf(stderr, "INFO: WDC: No Assert Dump Present\n");

out:
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_get_fw_act_history(nvme_root_t r, struct nvme_dev *dev,
				  char *format)
{
	struct wdc_fw_act_history_log_hdr *fw_act_history_hdr;
	nvme_print_flags_t fmt;
	int ret;
	__u8 *data;

	if (!wdc_check_device(r, dev))
		return -1;

	ret = validate_output_format(format, &fmt);
	if (ret < 0) {
		fprintf(stderr, "ERROR: WDC: invalid output format\n");
		return ret;
	}

	/* verify the FW Activate History log page is supported */
	if (!wdc_nvme_check_supported_log_page(r, dev, WDC_NVME_GET_FW_ACT_HISTORY_LOG_ID)) {
		fprintf(stderr, "ERROR: WDC: %d Log Page not supported\n",
			WDC_NVME_GET_FW_ACT_HISTORY_LOG_ID);
		return -1;
	}

	data = (__u8 *)malloc(sizeof(__u8) * WDC_FW_ACT_HISTORY_LOG_BUF_LEN);
	if (!data) {
		fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
		return -1;
	}

	memset(data, 0, sizeof(__u8) * WDC_FW_ACT_HISTORY_LOG_BUF_LEN);

	ret = nvme_get_log_simple(dev_fd(dev),
				  WDC_NVME_GET_FW_ACT_HISTORY_LOG_ID,
				  WDC_FW_ACT_HISTORY_LOG_BUF_LEN, data);

	if (strcmp(format, "json"))
		nvme_show_status(ret);

	if (!ret) {
		/* parse the data */
		fw_act_history_hdr = (struct wdc_fw_act_history_log_hdr *)(data);

		if ((fw_act_history_hdr->num_entries > 0) &&
		    (fw_act_history_hdr->num_entries <= WDC_MAX_NUM_ACT_HIST_ENTRIES)) {
			ret = wdc_print_fw_act_history_log(data, fw_act_history_hdr->num_entries,
							   fmt, 0, 0, 0);
		} else if (!fw_act_history_hdr->num_entries) {
			fprintf(stderr, "INFO: WDC: No FW Activate History entries found.\n");
			ret = 0;
		} else {
			fprintf(stderr,
				"ERROR: WDC: Invalid number entries found in FW Activate History Log Page - %d\n",
				fw_act_history_hdr->num_entries);
			ret = -1;
		}
	} else {
		fprintf(stderr, "ERROR: WDC: Unable to read FW Activate History Log Page data\n");
		ret = -1;
	}

	free(data);
	return ret;
}

static __u32 wdc_get_fw_cust_id(nvme_root_t r, struct nvme_dev *dev)
{

	__u32 cust_id = WDC_INVALID_CUSTOMER_ID;
	__u32 *cust_id_ptr = NULL;

	if (!get_dev_mgment_cbs_data(r, dev, WDC_C2_CUSTOMER_ID_ID, (void *)&cust_id_ptr))
		fprintf(stderr, "%s: ERROR: WDC: 0xC2 Log Page entry ID 0x%x not found\n",
			__func__, WDC_C2_CUSTOMER_ID_ID);
	else
		cust_id = *cust_id_ptr;

	free(cust_id_ptr);
	return cust_id;
}

static int wdc_get_fw_act_history_C2(nvme_root_t r, struct nvme_dev *dev,
				     char *format)
{
	struct wdc_fw_act_history_log_format_c2 *fw_act_history_log;
	__u32 tot_entries = 0, num_entries = 0;
	__u32 vendor_id = 0, device_id = 0;
	__u32 cust_id = 0;
	nvme_print_flags_t fmt;
	__u8 *data;
	int ret;
	bool c2GuidMatch = false;

	if (!wdc_check_device(r, dev))
		return -1;

	ret = validate_output_format(format, &fmt);
	if (ret < 0) {
		fprintf(stderr, "ERROR: WDC: invalid output format\n");
		return ret;
	}

	ret = wdc_get_pci_ids(r, dev, &device_id, &vendor_id);

	data = (__u8 *)malloc(sizeof(__u8) * WDC_FW_ACT_HISTORY_C2_LOG_BUF_LEN);
	if (!data) {
		fprintf(stderr, "ERROR: WDC: malloc: %s\n", strerror(errno));
		return -1;
	}

	memset(data, 0, sizeof(__u8) * WDC_FW_ACT_HISTORY_C2_LOG_BUF_LEN);

	ret = nvme_get_log_simple(dev_fd(dev),
				  WDC_NVME_GET_FW_ACT_HISTORY_C2_LOG_ID,
				  WDC_FW_ACT_HISTORY_C2_LOG_BUF_LEN, data);

	if (strcmp(format, "json"))
		nvme_show_status(ret);

	if (!ret) {
		/* Get the log page data and verify the GUID */
		fw_act_history_log = (struct wdc_fw_act_history_log_format_c2 *)(data);

		c2GuidMatch = !memcmp(ocp_C2_guid,
				fw_act_history_log->log_page_guid,
				WDC_C2_GUID_LENGTH);

		if (c2GuidMatch) {
			/* parse the data */
			tot_entries = le32_to_cpu(fw_act_history_log->num_entries);

			if (tot_entries > 0) {
				/* get the FW customer id */
				if (!wdc_is_sn861(device_id)) {
					cust_id = wdc_get_fw_cust_id(r, dev);
					if (cust_id == WDC_INVALID_CUSTOMER_ID) {
						fprintf(stderr,
							"%s: ERROR: WDC: invalid customer id\n",
							__func__);
						ret = -1;
						goto freeData;
					}
				}
				num_entries = (tot_entries < WDC_MAX_NUM_ACT_HIST_ENTRIES) ?
						tot_entries : WDC_MAX_NUM_ACT_HIST_ENTRIES;
				ret = wdc_print_fw_act_history_log(data, num_entries,
					fmt, cust_id, vendor_id, device_id);
			} else  {
				fprintf(stderr, "INFO: WDC: No entries found.\n");
				ret = 0;
			}
		} else {
			fprintf(stderr, "ERROR: WDC: Invalid C2 log page GUID\n");
			ret = -1;
		}
	} else {
		fprintf(stderr, "ERROR: WDC: Unable to read FW Activate History Log Page data\n");
		ret = -1;
	}

freeData:
	free(data);
	return ret;
}

static int wdc_vs_fw_activate_history(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	const char *desc = "Retrieve FW activate history table.";
	__u64 capabilities = 0;
	struct nvme_dev *dev;
	nvme_root_t r;
	int ret = -1;

	struct config {
		char *output_format;
	};

	struct config cfg = {
		.output_format = "normal",
	};

	OPT_ARGS(opts) = {
		OPT_FMT("output-format", 'o', &cfg.output_format, "Output Format: normal|json"),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);
	capabilities = wdc_get_drive_capabilities(r, dev);
	if (!(capabilities & WDC_DRIVE_CAP_FW_ACTIVATE_HISTORY_MASK)) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
		goto out;
	}

	if (capabilities & WDC_DRIVE_CAP_FW_ACTIVATE_HISTORY) {
		__u32 cust_fw_id = 0;
		/* get the FW customer id */
		cust_fw_id = wdc_get_fw_cust_id(r, dev);
		if (cust_fw_id == WDC_INVALID_CUSTOMER_ID) {
			fprintf(stderr, "%s: ERROR: WDC: invalid customer id\n", __func__);
			ret = -1;
			goto out;
		}

		if ((cust_fw_id == WDC_CUSTOMER_ID_0x1004) ||
			(cust_fw_id == WDC_CUSTOMER_ID_0x1008) ||
			(cust_fw_id == WDC_CUSTOMER_ID_0x1005) ||
			(cust_fw_id == WDC_CUSTOMER_ID_0x1304))
			ret = wdc_get_fw_act_history_C2(r, dev, cfg.output_format);
		else
			ret = wdc_get_fw_act_history(r, dev, cfg.output_format);
	} else if (capabilities & WDC_DRIVE_CAP_FW_ACTIVATE_HISTORY_C2) {
		ret = wdc_get_fw_act_history_C2(r, dev, cfg.output_format);
	}

	if (ret)
		fprintf(stderr, "ERROR: WDC: Failure reading the FW Activate History, ret = %d\n", ret);
out:
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_do_clear_fw_activate_history_vuc(int fd)
{
	int ret = -1;
	struct nvme_passthru_cmd admin_cmd;

	memset(&admin_cmd, 0, sizeof(admin_cmd));
	admin_cmd.opcode = WDC_NVME_CLEAR_FW_ACT_HIST_OPCODE;
	admin_cmd.cdw12 = ((WDC_NVME_CLEAR_FW_ACT_HIST_SUBCMD << WDC_NVME_SUBCMD_SHIFT) |
			WDC_NVME_CLEAR_FW_ACT_HIST_CMD);

	ret = nvme_submit_admin_passthru(fd, &admin_cmd, NULL);
	nvme_show_status(ret);

	return ret;
}

static int wdc_do_clear_fw_activate_history_fid(int fd)
{
	int ret = -1;
	__u32 result;
	__u32 value = 1 << 31; /* Bit 31 - Clear Firmware Update History Log */

	ret = nvme_set_features_simple(fd, WDC_NVME_CLEAR_FW_ACT_HIST_VU_FID, 0, value,
				false, &result);

	nvme_show_status(ret);
	return ret;
}

static int wdc_clear_fw_activate_history(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	char *desc = "Clear FW activate history table.";
	__u64 capabilities = 0;
	struct nvme_dev *dev;
	nvme_root_t r;
	int ret;

	OPT_ARGS(opts) = {
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);
	capabilities = wdc_get_drive_capabilities(r, dev);
	if (!(capabilities & WDC_DRIVE_CAP_CLEAR_FW_ACT_HISTORY_MASK)) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
		goto out;
	}

	if (capabilities & WDC_DRIVE_CAP_CLEAR_FW_ACT_HISTORY)
		ret = wdc_do_clear_fw_activate_history_vuc(dev_fd(dev));
	else
		ret = wdc_do_clear_fw_activate_history_fid(dev_fd(dev));

out:
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_vs_telemetry_controller_option(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	char *desc = "Disable/Enable Controller Option of the Telemetry Log Page.";
	char *disable = "Disable controller option of the telemetry log page.";
	char *enable = "Enable controller option of the telemetry log page.";
	char *status = "Displays the current state of the controller initiated log page.";
	__u64 capabilities = 0;
	struct nvme_dev *dev;
	nvme_root_t r;
	__u32 result;
	int ret = -1;


	struct config {
		bool disable;
		bool enable;
		bool status;
	};

	struct config cfg = {
		.disable = false,
		.enable = false,
		.status = false,
	};

	OPT_ARGS(opts) = {
		OPT_FLAG("disable",       'd', &cfg.disable,   disable),
		OPT_FLAG("enable",        'e', &cfg.enable,    enable),
		OPT_FLAG("status",        's', &cfg.status,    status),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);
	capabilities = wdc_get_drive_capabilities(r, dev);
	if ((capabilities & WDC_DRVIE_CAP_DISABLE_CTLR_TELE_LOG) != WDC_DRVIE_CAP_DISABLE_CTLR_TELE_LOG) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
		goto out;
	}

	/* allow only one option at a time */
	if ((cfg.disable + cfg.enable + cfg.status) > 1) {

		fprintf(stderr, "ERROR: WDC: Invalid option\n");
		ret = -1;
		goto out;
	}

	if (cfg.disable) {
		ret = nvme_set_features_simple(dev_fd(dev),
					       WDC_VU_DISABLE_CNTLR_TELEMETRY_OPTION_FEATURE_ID,
					       0, 1, false, &result);

		wdc_clear_reason_id(dev);
	} else {
		if (cfg.enable) {
			ret = nvme_set_features_simple(dev_fd(dev),
						       WDC_VU_DISABLE_CNTLR_TELEMETRY_OPTION_FEATURE_ID,
						       0, 0, false, &result);
		} else if (cfg.status) {
			ret = nvme_get_features_simple(dev_fd(dev),
						       WDC_VU_DISABLE_CNTLR_TELEMETRY_OPTION_FEATURE_ID,
						       0, &result);
			if (!ret) {
				if (result)
					fprintf(stderr, "Controller Option Telemetry Log Page State: Disabled\n");
				else
					fprintf(stderr, "Controller Option Telemetry Log Page State: Enabled\n");
			} else {
				nvme_show_status(ret);
			}
		} else {
			fprintf(stderr, "ERROR: WDC: unsupported option for this command\n");
			fprintf(stderr, "Please provide an option, -d, -e or -s\n");
			ret = -1;
			goto out;
		}
	}

out:
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}


static int wdc_get_serial_and_fw_rev(struct nvme_dev *dev, char *sn, char *fw_rev)
{
	int i;
	int ret;
	struct nvme_id_ctrl ctrl;

	i = sizeof(ctrl.sn) - 1;
	memset(sn, 0, WDC_SERIAL_NO_LEN);
	memset(fw_rev, 0, WDC_NVME_FIRMWARE_REV_LEN);
	memset(&ctrl, 0, sizeof(struct nvme_id_ctrl));
	ret = nvme_identify_ctrl(dev_fd(dev), &ctrl);
	if (ret) {
		fprintf(stderr, "ERROR: WDC: nvme_identify_ctrl() failed 0x%x\n", ret);
		return -1;
	}
	/* Remove trailing spaces from the name */
	while (i && ctrl.sn[i] == ' ') {
		ctrl.sn[i] = '\0';
		i--;
	}
	snprintf(sn, WDC_SERIAL_NO_LEN, "%s", ctrl.sn);
	snprintf(fw_rev, WDC_NVME_FIRMWARE_REV_LEN, "%s", ctrl.fr);

	return 0;
}

static int wdc_get_max_transfer_len(struct nvme_dev *dev, __u32 *maxTransferLen)
{
	int ret = 0;
	struct nvme_id_ctrl ctrl;

	__u32 maxTransferLenDevice = 0;

	memset(&ctrl, 0, sizeof(struct nvme_id_ctrl));
	ret = nvme_identify_ctrl(dev_fd(dev), &ctrl);
	if (ret) {
		fprintf(stderr, "ERROR: WDC: nvme_identify_ctrl() failed 0x%x\n", ret);
		return -1;
	}

	maxTransferLenDevice = (1 << ctrl.mdts) * getpagesize();
	*maxTransferLen = maxTransferLenDevice;

	return ret;
}

static int wdc_de_VU_read_size(struct nvme_dev *dev, __u32 fileId, __u16 spiDestn, __u32 *logSize)
{
	int ret = WDC_STATUS_FAILURE;
	struct nvme_passthru_cmd cmd;

	if (!dev || !logSize) {
		ret = WDC_STATUS_INVALID_PARAMETER;
		goto end;
	}

	memset(&cmd, 0, sizeof(struct nvme_passthru_cmd));
	cmd.opcode = WDC_DE_VU_READ_SIZE_OPCODE;
	cmd.nsid = WDC_DE_DEFAULT_NAMESPACE_ID;
	cmd.cdw13 = fileId << 16;
	cmd.cdw14 = spiDestn;

	ret = nvme_submit_admin_passthru(dev_fd(dev), &cmd, NULL);

	if (!ret && logSize)
		*logSize = cmd.result;
	if (ret != WDC_STATUS_SUCCESS) {
		fprintf(stderr, "ERROR: WDC: VUReadSize() failed, ");
		nvme_show_status(ret);
	}

end:
	return ret;
}

static int wdc_de_VU_read_buffer(struct nvme_dev *dev, __u32 fileId, __u16 spiDestn,
				 __u32 offsetInDwords, __u8 *dataBuffer, __u32 *bufferSize)
{
	int ret = WDC_STATUS_FAILURE;
	struct nvme_passthru_cmd cmd;
	__u32 noOfDwordExpected = 0;

	if (!dev || !dataBuffer || !bufferSize) {
		ret = WDC_STATUS_INVALID_PARAMETER;
		goto end;
	}

	memset(&cmd, 0, sizeof(struct nvme_passthru_cmd));
	noOfDwordExpected = *bufferSize / sizeof(__u32);
	cmd.opcode = WDC_DE_VU_READ_BUFFER_OPCODE;
	cmd.nsid = WDC_DE_DEFAULT_NAMESPACE_ID;
	cmd.cdw10 = noOfDwordExpected;
	cmd.cdw13 = fileId << 16;
	cmd.cdw14 = spiDestn;
	cmd.cdw15 = offsetInDwords;

	cmd.addr = (__u64)(__u64)(uintptr_t)dataBuffer;
	cmd.data_len = *bufferSize;

	ret = nvme_submit_admin_passthru(dev_fd(dev), &cmd, NULL);

	if (ret != WDC_STATUS_SUCCESS) {
		fprintf(stderr, "ERROR: WDC: VUReadBuffer() failed, ");
		nvme_show_status(ret);
	}

end:
	return ret;
}

static int wdc_get_log_dir_max_entries(struct nvme_dev *dev, __u32 *maxNumOfEntries)
{
	int ret = WDC_STATUS_FAILURE;
	__u32 headerPayloadSize = 0;
	__u8 *fileIdOffsetsBuffer = NULL;
	__u32 fileIdOffsetsBufferSize = 0;
	__u32 fileNum = 0;
	__u16 fileOffset = 0;


	if (!dev || !maxNumOfEntries) {
		ret = WDC_STATUS_INVALID_PARAMETER;
		return ret;
	}
	/* 1.Get log directory first four bytes */
	ret = wdc_de_VU_read_size(dev, 0, 5, (__u32 *)&headerPayloadSize);
	if (ret != WDC_STATUS_SUCCESS) {
		fprintf(stderr,
			"ERROR: WDC: %s: Failed to get headerPayloadSize from file directory 0x%x\n",
			__func__, ret);
		return ret;
	}

	fileIdOffsetsBufferSize =
	    WDC_DE_FILE_HEADER_SIZE + (headerPayloadSize * WDC_DE_FILE_OFFSET_SIZE);
	fileIdOffsetsBuffer = (__u8 *)calloc(1, fileIdOffsetsBufferSize);

	/* 2.Read to get file offsets */
	ret = wdc_de_VU_read_buffer(dev, 0, 5, 0, fileIdOffsetsBuffer, &fileIdOffsetsBufferSize);
	if (ret != WDC_STATUS_SUCCESS) {
		fprintf(stderr,
			"ERROR: WDC: %s: Failed to get fileIdOffsets from file directory 0x%x\n",
			__func__, ret);
		goto end;
	}
	/* 3.Determine valid entries */
	for (fileNum = 0;
	     fileNum < (headerPayloadSize - WDC_DE_FILE_HEADER_SIZE) / WDC_DE_FILE_OFFSET_SIZE;
	     fileNum++) {
		fileOffset = (fileIdOffsetsBuffer[WDC_DE_FILE_HEADER_SIZE +
			      (fileNum * WDC_DE_FILE_OFFSET_SIZE)] << 8) +
			     fileIdOffsetsBuffer[WDC_DE_FILE_HEADER_SIZE +
						 (fileNum * WDC_DE_FILE_OFFSET_SIZE) + 1];
		if (!fileOffset)
			continue;
		(*maxNumOfEntries)++;
	}

end:
	free(fileIdOffsetsBuffer);
	return ret;
}

static enum WDC_DRIVE_ESSENTIAL_TYPE wdc_get_essential_type(__u8 fileName[])
{
	enum WDC_DRIVE_ESSENTIAL_TYPE essentialType = WDC_DE_TYPE_NONE;

	if (!wdc_UtilsStrCompare((char *)fileName, WDC_DE_CORE_DUMP_FILE_NAME))
		essentialType = WDC_DE_TYPE_DUMPSNAPSHOT;
	else if (!wdc_UtilsStrCompare((char *)fileName, WDC_DE_EVENT_LOG_FILE_NAME))
		essentialType = WDC_DE_TYPE_EVENTLOG;
	else if (!wdc_UtilsStrCompare((char *)fileName, WDC_DE_MANUFACTURING_INFO_PAGE_FILE_NAME))
		essentialType = WDC_DE_TYPE_NVME_MANF_INFO;

	return essentialType;
}

static int wdc_fetch_log_directory(struct nvme_dev *dev, struct WDC_DE_VU_LOG_DIRECTORY *directory)
{
	int ret = WDC_STATUS_FAILURE;
	__u8 *fileOffset = NULL;
	__u8 *fileDirectory = NULL;
	__u32 headerSize = 0;
	__u32 fileNum = 0, startIdx = 0;
	__u16 fileOffsetTemp = 0;
	__u32 entryId = 0;
	__u32 fileDirectorySize = 0;

	if (!dev || !directory) {
		ret = WDC_STATUS_INVALID_PARAMETER;
		goto end;
	}

	ret = wdc_de_VU_read_size(dev, 0, 5, &fileDirectorySize);
	if (ret != WDC_STATUS_SUCCESS) {
		fprintf(stderr,
			"ERROR: WDC: %s: Failed to get filesystem directory size, ret = %d\n",
			__func__, ret);
		goto end;
	}

	fileDirectory = (__u8 *)calloc(1, fileDirectorySize);
	ret = wdc_de_VU_read_buffer(dev, 0, 5, 0, fileDirectory, &fileDirectorySize);
	if (ret != WDC_STATUS_SUCCESS) {
		fprintf(stderr, "ERROR: WDC: %s: Failed to get filesystem directory, ret = %d\n",
			__func__, ret);
		goto end;
	}

	/* First four bytes of header directory is headerSize */
	memcpy(&headerSize, fileDirectory, WDC_DE_FILE_HEADER_SIZE);

	/* minimum buffer for 1 entry is required */
	if (!directory->maxNumLogEntries) {
		ret = WDC_STATUS_INVALID_PARAMETER;
		goto end;
	}

	for (fileNum = 0;
	     fileNum < (headerSize - WDC_DE_FILE_HEADER_SIZE) / WDC_DE_FILE_OFFSET_SIZE;
	     fileNum++) {
		if (entryId >= directory->maxNumLogEntries)
			break;

		startIdx = WDC_DE_FILE_HEADER_SIZE + (fileNum * WDC_DE_FILE_OFFSET_SIZE);
		memcpy(&fileOffsetTemp, fileDirectory + startIdx, sizeof(fileOffsetTemp));
		fileOffset = fileDirectory + fileOffsetTemp;

		if (!fileOffsetTemp)
			continue;

		memset(&directory->logEntry[entryId], 0, sizeof(struct WDC_DRIVE_ESSENTIALS));
		memcpy(&directory->logEntry[entryId].metaData, fileOffset, sizeof(struct __packed WDC_DE_VU_FILE_META_DATA));
		directory->logEntry[entryId].metaData.fileName[WDC_DE_FILE_NAME_SIZE - 1] = '\0';
		wdc_UtilsDeleteCharFromString((char *)directory->logEntry[entryId].metaData.fileName,
				WDC_DE_FILE_NAME_SIZE, ' ');
		if (!directory->logEntry[entryId].metaData.fileID)
			continue;

		directory->logEntry[entryId].essentialType = wdc_get_essential_type(directory->logEntry[entryId].metaData.fileName);
		entryId++;
	}

	directory->numOfValidLogEntries = entryId;

end:
	if (fileDirectory)
		free(fileDirectory);
	return ret;
}

static int wdc_fetch_log_file_from_device(struct nvme_dev *dev, __u32 fileId,
					  __u16 spiDestn, __u64 fileSize, __u8 *dataBuffer)
{
	int ret = WDC_STATUS_FAILURE;
	__u32 chunckSize = WDC_DE_VU_READ_BUFFER_STANDARD_OFFSET;
	__u32 maximumTransferLength = 0;
	__u32 buffSize = 0;
	__u64 offsetIdx = 0;

	if (!dev || !dataBuffer || !fileSize) {
		ret = WDC_STATUS_INVALID_PARAMETER;
		goto end;
	}

	if (wdc_get_max_transfer_len(dev, &maximumTransferLength) < 0) {
		ret = WDC_STATUS_FAILURE;
		goto end;
	}

	/* Fetch Log File Data */
	if ((fileSize >= maximumTransferLength) || (fileSize > 0xFFFFFFFF)) {
		chunckSize = WDC_DE_VU_READ_BUFFER_STANDARD_OFFSET;
		if (maximumTransferLength < WDC_DE_VU_READ_BUFFER_STANDARD_OFFSET)
			chunckSize = maximumTransferLength;

		buffSize = chunckSize;
		for (offsetIdx = 0; (offsetIdx * chunckSize) < fileSize; offsetIdx++) {
			if (((offsetIdx * chunckSize) + buffSize) > fileSize)
				buffSize = (__u32)(fileSize - (offsetIdx * chunckSize));
			/* Limitation in VU read buffer - offsetIdx and bufferSize are not greater than u32 */
			ret = wdc_de_VU_read_buffer(dev, fileId, spiDestn,
					(__u32)((offsetIdx * chunckSize) / sizeof(__u32)), dataBuffer + (offsetIdx * chunckSize), &buffSize);
			if (ret != WDC_STATUS_SUCCESS) {
				fprintf(stderr, "ERROR: WDC: %s: wdc_de_VU_read_buffer failed with ret = %d, fileId = 0x%x, fileSize = 0x%lx\n",
						__func__, ret, fileId, (unsigned long)fileSize);
				break;
			}
		}
	} else {
		buffSize = (__u32)fileSize;
		ret = wdc_de_VU_read_buffer(dev, fileId, spiDestn,
					    (__u32)((offsetIdx * chunckSize) / sizeof(__u32)),
					    dataBuffer, &buffSize);
		if (ret != WDC_STATUS_SUCCESS) {
			fprintf(stderr, "ERROR: WDC: %s: wdc_de_VU_read_buffer failed with ret = %d, fileId = 0x%x, fileSize = 0x%lx\n",
					__func__, ret, fileId, (unsigned long)fileSize);
		}
	}

end:
	return ret;
}

static int wdc_de_get_dump_trace(struct nvme_dev *dev, char *filePath, __u16 binFileNameLen, char *binFileName)
{
	int ret = WDC_STATUS_FAILURE;
	__u8 *readBuffer = NULL;
	__u32 readBufferLen = 0;
	__u32 lastPktReadBufferLen = 0;
	__u32 maxTransferLen = 0;
	__u32 dumptraceSize = 0;
	__u32 chunkSize;
	__u32 chunks;
	__u32 offset;
	__u32 i;
	__u32 maximumTransferLength = 0;

	if (!dev || !binFileName || !filePath) {
		ret = WDC_STATUS_INVALID_PARAMETER;
		return ret;
	}

	if (wdc_get_max_transfer_len(dev, &maximumTransferLength) < 0)
		return WDC_STATUS_FAILURE;

	do {
		/* Get dumptrace size */
		ret = wdc_de_VU_read_size(dev, 0, WDC_DE_DUMPTRACE_DESTINATION, &dumptraceSize);
		if (ret != WDC_STATUS_SUCCESS) {
			fprintf(stderr, "ERROR: WDC: %s: wdc_de_VU_read_size failed with ret = %d\n",
					__func__, ret);
			break;
		}

		/* Make sure the size requested is greater than dword */
		if (dumptraceSize < 4) {
			ret = WDC_STATUS_FAILURE;
			fprintf(stderr, "ERROR: WDC: %s: wdc_de_VU_read_size failed, read size is less than 4 bytes, dumptraceSize = 0x%x\n",
					__func__, dumptraceSize);
			break;
		}

		/* Choose the least max transfer length */
		maxTransferLen = maximumTransferLength < WDC_DE_READ_MAX_TRANSFER_SIZE ? maximumTransferLength : WDC_DE_READ_MAX_TRANSFER_SIZE;

		/* Comment from  FW Team:
		 * The max non - block transfer size is 0xFFFF (16 bits allowed as the block size).Use 0x8000
		 * to keep it on a word - boundary.
		 * max_xfer = int(pow(2, id_data['MDTS'])) * 4096 # 4k page size as reported in pcie capabiltiies
		 */
		chunkSize = dumptraceSize < maxTransferLen ? dumptraceSize : maxTransferLen;
		chunks = (dumptraceSize / maxTransferLen) + ((dumptraceSize % maxTransferLen) ? 1 : 0);

		readBuffer = (unsigned char *)calloc(dumptraceSize, sizeof(unsigned char));
		readBufferLen = chunkSize;
		lastPktReadBufferLen = (dumptraceSize % maxTransferLen) ? (dumptraceSize % maxTransferLen) : chunkSize;

		if (!readBuffer) {
			fprintf(stderr, "ERROR: WDC: %s: readBuffer calloc failed\n", __func__);
			ret = WDC_STATUS_INSUFFICIENT_MEMORY;
			break;
		}

		for (i = 0; i < chunks; i++) {
			offset = (i * chunkSize) / 4;

			/* Last loop call, Assign readBufferLen to read only left over bytes */
			if (i == (chunks - 1))
				readBufferLen = lastPktReadBufferLen;

			ret = wdc_de_VU_read_buffer(dev, 0, WDC_DE_DUMPTRACE_DESTINATION, 0,
						    readBuffer + offset, &readBufferLen);
			if (ret != WDC_STATUS_SUCCESS) {
				fprintf(stderr,
					"ERROR: WDC: %s: wdc_de_VU_read_buffer failed, ret = %d on offset 0x%x\n",
					__func__, ret, offset);
				break;
			}
		}
	} while (0);

	if (ret == WDC_STATUS_SUCCESS) {
		ret = wdc_WriteToFile(binFileName, (char *)readBuffer, dumptraceSize);
		if (ret != WDC_STATUS_SUCCESS)
			fprintf(stderr, "ERROR: WDC: %s: wdc_WriteToFile failed, ret = %d\n",
				__func__, ret);
	} else {
		fprintf(stderr, "ERROR: WDC: %s: Read Buffer Loop failed, ret = %d\n", __func__,
			ret);
	}

	if (readBuffer)
		free(readBuffer);

	return ret;
}

int wdc_fetch_vu_file_directory(struct nvme_dev *dev,
				struct WDC_DE_VU_LOG_DIRECTORY deEssentialsList,
				__s8 *bufferFolderPath, __u8 *serialNo, __u8 *timeString)
{
	int ret = wdc_fetch_log_directory(dev, &deEssentialsList);
	__u32 listIdx;
	char *dataBuffer;
	char fileName[MAX_PATH_LEN];

	if (ret != WDC_STATUS_SUCCESS) {
		fprintf(stderr, "WDC: wdc_fetch_log_directory failed, ret = %d\n", ret);
		return ret;
	}

	/* Get Debug Data Files */
	for (listIdx = 0; listIdx < deEssentialsList.numOfValidLogEntries; listIdx++) {
		if (!deEssentialsList.logEntry[listIdx].metaData.fileSize) {
			fprintf(stderr, "ERROR: WDC: File Size for %s is 0\n",
				deEssentialsList.logEntry[listIdx].metaData.fileName);
			ret = WDC_STATUS_FILE_SIZE_ZERO;
		} else {
			/* Fetch Log File Data */
			dataBuffer = (char *)calloc(1, (size_t)deEssentialsList.logEntry[listIdx].metaData.fileSize);
			ret = wdc_fetch_log_file_from_device(dev,
							     deEssentialsList.logEntry[listIdx].metaData.fileID,
							     WDC_DE_DESTN_SPI,
							     deEssentialsList.logEntry[listIdx].metaData.fileSize,
							     (__u8 *)dataBuffer);

			/* Write databuffer to file */
			if (ret == WDC_STATUS_SUCCESS) {
				memset(fileName, 0, sizeof(fileName));
				wdc_UtilsSnprintf(fileName, MAX_PATH_LEN, "%s%s%s_%s_%s.bin", bufferFolderPath, WDC_DE_PATH_SEPARATOR,
						deEssentialsList.logEntry[listIdx].metaData.fileName, serialNo, timeString);
				if (deEssentialsList.logEntry[listIdx].metaData.fileSize > 0xFFFFFFFF) {
					wdc_WriteToFile(fileName, dataBuffer, 0xFFFFFFFF);
					wdc_WriteToFile(fileName, dataBuffer + 0xFFFFFFFF, (__u32)(deEssentialsList.logEntry[listIdx].metaData.fileSize - 0xFFFFFFFF));
				} else {
					wdc_WriteToFile(fileName, dataBuffer, (__u32)deEssentialsList.logEntry[listIdx].metaData.fileSize);
				}
			} else {
				fprintf(stderr, "ERROR: WDC: wdc_fetch_log_file_from_device: %s failed, ret = %d\n",
						deEssentialsList.logEntry[listIdx].metaData.fileName, ret);
			}
			free(dataBuffer);
		}
	}

	return ret;
}

int wdc_read_debug_directory(struct nvme_dev *dev, __s8 *bufferFolderPath, __u8 *serialNo,
			     __u8 *timeString)
{
	__u32 maxNumOfVUFiles = 0;
	int ret = wdc_get_log_dir_max_entries(dev, &maxNumOfVUFiles);
	struct WDC_DE_VU_LOG_DIRECTORY deEssentialsList;

	if (ret != WDC_STATUS_SUCCESS) {
		fprintf(stderr, "WDC: wdc_get_log_dir_max_entries failed, ret = %d\n", ret);
		return ret;
	}

	memset(&deEssentialsList, 0, sizeof(deEssentialsList));
	deEssentialsList.logEntry =
	    (struct WDC_DRIVE_ESSENTIALS *)calloc(1, sizeof(struct WDC_DRIVE_ESSENTIALS) * maxNumOfVUFiles);
	deEssentialsList.maxNumLogEntries = maxNumOfVUFiles;

	ret = wdc_fetch_vu_file_directory(dev, deEssentialsList, bufferFolderPath, serialNo,
					  timeString);

	free(deEssentialsList.logEntry);
	deEssentialsList.logEntry = NULL;

	return ret;
}

static int wdc_do_drive_essentials(nvme_root_t r, struct nvme_dev *dev,
				   char *dir, char *key)
{
	int ret = 0;
	void *retPtr;
	char fileName[MAX_PATH_LEN];
	__s8 bufferFolderPath[MAX_PATH_LEN];
	char bufferFolderName[MAX_PATH_LEN];
	char tarFileName[MAX_PATH_LEN];
	char tarFiles[MAX_PATH_LEN];
	char tarCmd[MAX_PATH_LEN+MAX_PATH_LEN];
	UtilsTimeInfo timeInfo;
	__u8 timeString[MAX_PATH_LEN];
	__u8 serialNo[WDC_SERIAL_NO_LEN];
	__u8 firmwareRevision[WDC_NVME_FIRMWARE_REV_LEN];
	__u8 idSerialNo[WDC_SERIAL_NO_LEN];
	__u8 idFwRev[WDC_NVME_FIRMWARE_REV_LEN];
	__u8 featureIdBuff[4];
	char currDir[MAX_PATH_LEN];
	char *dataBuffer = NULL;
	__u32 elogNumEntries, elogBufferSize;
	__u32 dataBufferSize;
	__u32 listIdx = 0;
	__u32 vuLogIdx = 0;
	__u32 result;
	struct nvme_id_ctrl ctrl;
	struct nvme_id_ns ns;
	struct nvme_error_log_page *elogBuffer;
	struct nvme_smart_log smart_log;
	struct nvme_firmware_slot fw_log;
	struct WDC_NVME_DE_VU_LOGPAGES *vuLogInput = NULL;

	memset(bufferFolderPath, 0, sizeof(bufferFolderPath));
	memset(bufferFolderName, 0, sizeof(bufferFolderName));
	memset(tarFileName, 0, sizeof(tarFileName));
	memset(tarFiles, 0, sizeof(tarFiles));
	memset(tarCmd, 0, sizeof(tarCmd));
	memset(&timeInfo, 0, sizeof(timeInfo));

	if (wdc_get_serial_and_fw_rev(dev, (char *)idSerialNo, (char *)idFwRev)) {
		fprintf(stderr, "ERROR: WDC: get serial # and fw revision failed\n");
		return -1;
	}

	fprintf(stderr, "Get Drive Essentials Data for device serial #: %s and fw revision: %s\n",
		idSerialNo, idFwRev);

	/* Create Drive Essentials directory */
	wdc_UtilsGetTime(&timeInfo);
	memset(timeString, 0, sizeof(timeString));
	wdc_UtilsSnprintf((char *)timeString, MAX_PATH_LEN, "%02u%02u%02u_%02u%02u%02u",
			timeInfo.year, timeInfo.month, timeInfo.dayOfMonth,
			timeInfo.hour, timeInfo.minute, timeInfo.second);

	wdc_UtilsSnprintf((char *)serialNo, WDC_SERIAL_NO_LEN, (char *)idSerialNo);
	/* Remove any space form serialNo */
	wdc_UtilsDeleteCharFromString((char *)serialNo, WDC_SERIAL_NO_LEN, ' ');

	memset(firmwareRevision, 0, sizeof(firmwareRevision));
	wdc_UtilsSnprintf((char *)firmwareRevision, WDC_NVME_FIRMWARE_REV_LEN, (char *)idFwRev);
	/* Remove any space form FirmwareRevision */
	wdc_UtilsDeleteCharFromString((char *)firmwareRevision, WDC_NVME_FIRMWARE_REV_LEN, ' ');

	wdc_UtilsSnprintf((char *)bufferFolderName, MAX_PATH_LEN, "%s_%s_%s_%s",
			"DRIVE_ESSENTIALS", (char *)serialNo, (char *)firmwareRevision, (char *)timeString);

	if (dir) {
		wdc_UtilsSnprintf((char *)bufferFolderPath, MAX_PATH_LEN, "%s%s%s",
				(char *)dir, WDC_DE_PATH_SEPARATOR, (char *)bufferFolderName);
	} else {
		retPtr = getcwd((char *)currDir, MAX_PATH_LEN);
		if (retPtr) {
			wdc_UtilsSnprintf((char *)bufferFolderPath, MAX_PATH_LEN, "%s%s%s",
					(char *)currDir, WDC_DE_PATH_SEPARATOR, (char *)bufferFolderName);
		} else {
			fprintf(stderr, "ERROR: WDC: get current working directory failed\n");
			return -1;
		}
	}

	ret = wdc_UtilsCreateDir((char *)bufferFolderPath);
	if (ret) {
		fprintf(stderr, "ERROR: WDC: create directory failed, ret = %d, dir = %s\n", ret, bufferFolderPath);
		return -1;
	}

	fprintf(stderr, "Store Drive Essentials bin files in directory: %s\n", bufferFolderPath);

	/* Get Identify Controller Data */
	memset(&ctrl, 0, sizeof(struct nvme_id_ctrl));
	ret = nvme_identify_ctrl(dev_fd(dev), &ctrl);
	if (ret) {
		fprintf(stderr, "ERROR: WDC: nvme_identify_ctrl() failed, ret = %d\n", ret);
		return -1;
	}

	wdc_UtilsSnprintf(fileName, MAX_PATH_LEN, "%s%s%s_%s_%s.bin", (char *)bufferFolderPath,
			  WDC_DE_PATH_SEPARATOR, "IdentifyController", (char *)serialNo,
			  (char *)timeString);
	wdc_WriteToFile(fileName, (char *)&ctrl, sizeof(struct nvme_id_ctrl));

	memset(&ns, 0, sizeof(struct nvme_id_ns));
	ret = nvme_identify_ns(dev_fd(dev), 1, &ns);
	if (ret) {
		fprintf(stderr, "ERROR: WDC: nvme_identify_ns() failed, ret = %d\n", ret);
	} else {
		wdc_UtilsSnprintf(fileName, MAX_PATH_LEN, "%s%s%s_%s_%s.bin", (char *)bufferFolderPath, WDC_DE_PATH_SEPARATOR,
				"IdentifyNamespace", (char *)serialNo, (char *)timeString);
		wdc_WriteToFile(fileName, (char *)&ns, sizeof(struct nvme_id_ns));
	}

	/* Get Log Pages (0x01, 0x02, 0x03, 0xC0 and 0xE3) */
	elogNumEntries = WDC_DE_DEFAULT_NUMBER_OF_ERROR_ENTRIES;
	elogBufferSize = elogNumEntries*sizeof(struct nvme_error_log_page);
	dataBuffer = calloc(1, elogBufferSize);
	elogBuffer = (struct nvme_error_log_page *)dataBuffer;

	ret = nvme_get_log_error(dev_fd(dev), elogNumEntries, false,
				 elogBuffer);
	if (ret) {
		fprintf(stderr, "ERROR: WDC: nvme_error_log() failed, ret = %d\n", ret);
	} else {
		wdc_UtilsSnprintf(fileName, MAX_PATH_LEN, "%s%s%s_%s_%s.bin", (char *)bufferFolderPath, WDC_DE_PATH_SEPARATOR,
				"ErrorLog", (char *)serialNo, (char *)timeString);
		wdc_WriteToFile(fileName, (char *)elogBuffer, elogBufferSize);
	}

	free(dataBuffer);
	dataBuffer = NULL;

	/* Get Smart log page */
	memset(&smart_log, 0, sizeof(struct nvme_smart_log));
	ret = nvme_get_log_smart(dev_fd(dev), NVME_NSID_ALL, false,
				 &smart_log);
	if (ret) {
		fprintf(stderr, "ERROR: WDC: nvme_smart_log() failed, ret = %d\n", ret);
	} else {
		wdc_UtilsSnprintf(fileName, MAX_PATH_LEN, "%s%s%s_%s_%s.bin", (char *)bufferFolderPath, WDC_DE_PATH_SEPARATOR,
				"SmartLog", (char *)serialNo, (char *)timeString);
		wdc_WriteToFile(fileName, (char *)&smart_log, sizeof(struct nvme_smart_log));
	}

	/* Get FW Slot log page */
	memset(&fw_log, 0, sizeof(struct nvme_firmware_slot));
	ret = nvme_get_log_fw_slot(dev_fd(dev), false, &fw_log);
	if (ret) {
		fprintf(stderr, "ERROR: WDC: nvme_fw_log() failed, ret = %d\n", ret);
	} else {
		wdc_UtilsSnprintf(fileName, MAX_PATH_LEN, "%s%s%s_%s_%s.bin", (char *)bufferFolderPath, WDC_DE_PATH_SEPARATOR,
				"FwSLotLog", (char *)serialNo, (char *)timeString);
		wdc_WriteToFile(fileName, (char *)&fw_log, sizeof(struct nvme_firmware_slot));
	}

	/* Get VU log pages */
	/* define inputs for vendor unique log pages */
	vuLogInput = (struct WDC_NVME_DE_VU_LOGPAGES *)calloc(1, sizeof(struct WDC_NVME_DE_VU_LOGPAGES));
	vuLogInput->numOfVULogPages = ARRAY_SIZE(deVULogPagesList);

	for (vuLogIdx = 0; vuLogIdx < vuLogInput->numOfVULogPages; vuLogIdx++) {
		dataBufferSize = deVULogPagesList[vuLogIdx].logPageLen;
		dataBuffer = calloc(1, dataBufferSize);
		memset(dataBuffer, 0, dataBufferSize);

		ret = nvme_get_log_simple(dev_fd(dev),
					  deVULogPagesList[vuLogIdx].logPageId,
					  dataBufferSize, dataBuffer);
		if (ret) {
			fprintf(stderr, "ERROR: WDC: nvme_get_log() for log page 0x%x failed, ret = %d\n",
					deVULogPagesList[vuLogIdx].logPageId, ret);
		} else {
			wdc_UtilsDeleteCharFromString((char *)deVULogPagesList[vuLogIdx].logPageIdStr, 4, ' ');
			wdc_UtilsSnprintf(fileName, MAX_PATH_LEN, "%s%s%s_%s_%s_%s.bin", (char *)bufferFolderPath, WDC_DE_PATH_SEPARATOR,
					"LogPage", (char *)&deVULogPagesList[vuLogIdx].logPageIdStr, (char *)serialNo, (char *)timeString);
			wdc_WriteToFile(fileName, (char *)dataBuffer, dataBufferSize);
		}

		free(dataBuffer);
		dataBuffer = NULL;
	}

	free(vuLogInput);

	/* Get NVMe Features (0x01, 0x02, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C) */
	for (listIdx = 1; listIdx < ARRAY_SIZE(deFeatureIdList); listIdx++) {
		memset(featureIdBuff, 0, sizeof(featureIdBuff));
		/* skipping  LbaRangeType as it is an optional nvme command and not supported */
		if (deFeatureIdList[listIdx].featureId == FID_LBA_RANGE_TYPE)
			continue;
		ret = nvme_get_features_data(dev_fd(dev),
					     (enum nvme_features_id)deFeatureIdList[listIdx].featureId,
					     WDC_DE_GLOBAL_NSID,
					     sizeof(featureIdBuff),
					     &featureIdBuff, &result);

		if (ret) {
			fprintf(stderr, "ERROR: WDC: nvme_get_feature id 0x%x failed, ret = %d\n",
					deFeatureIdList[listIdx].featureId, ret);
		} else {
			wdc_UtilsSnprintf(fileName, MAX_PATH_LEN, "%s%s%s0x%x_%s_%s_%s.bin", (char *)bufferFolderPath, WDC_DE_PATH_SEPARATOR,
					"FEATURE_ID_", deFeatureIdList[listIdx].featureId,
					deFeatureIdList[listIdx].featureName, serialNo, timeString);
			wdc_WriteToFile(fileName, (char *)featureIdBuff, sizeof(featureIdBuff));
		}
	}

	ret = wdc_read_debug_directory(dev, bufferFolderPath, serialNo, timeString);

	/* Get Dump Trace Data */
	wdc_UtilsSnprintf(fileName, MAX_PATH_LEN, "%s%s%s_%s_%s.bin", (char *)bufferFolderPath, WDC_DE_PATH_SEPARATOR, "dumptrace", serialNo, timeString);
	ret = wdc_de_get_dump_trace(dev, (char *)bufferFolderPath, 0, fileName);
	if (ret != WDC_STATUS_SUCCESS)
		fprintf(stderr, "ERROR: WDC: wdc_de_get_dump_trace failed, ret = %d\n", ret);

	/* Tar the Drive Essentials directory */
	wdc_UtilsSnprintf(tarFileName, sizeof(tarFileName), "%s%s", (char *)bufferFolderPath, WDC_DE_TAR_FILE_EXTN);
	if (dir)
		wdc_UtilsSnprintf(tarFiles, sizeof(tarFiles), "%s%s%s%s%s", (char *)dir,
				  WDC_DE_PATH_SEPARATOR, (char *)bufferFolderName,
				  WDC_DE_PATH_SEPARATOR, WDC_DE_TAR_FILES);
	else
		wdc_UtilsSnprintf(tarFiles, sizeof(tarFiles), "%s%s%s", (char *)bufferFolderName,
				  WDC_DE_PATH_SEPARATOR, WDC_DE_TAR_FILES);
	wdc_UtilsSnprintf(tarCmd, sizeof(tarCmd), "%s %s %s", WDC_DE_TAR_CMD, (char *)tarFileName, (char *)tarFiles);

	ret = system(tarCmd);

	if (ret)
		fprintf(stderr, "ERROR: WDC: Tar of Drive Essentials data failed, ret = %d\n",
			ret);

	fprintf(stderr, "Get of Drive Essentials data successful\n");
	nvme_free_tree(r);
	return 0;
}

static int wdc_drive_essentials(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	char *desc = "Capture Drive Essentials.";
	char *dirName = "Output directory pathname.";
	char d[PATH_MAX] = {0};
	char k[PATH_MAX] = {0};
	__u64 capabilities = 0;
	struct nvme_dev *dev;
	nvme_root_t r;
	char *d_ptr;
	int ret;

	struct config {
		char *dirName;
	};

	struct config cfg = {
			.dirName = NULL,
	};

	OPT_ARGS(opts) = {
		OPT_STRING("dir-name", 'd', "DIRECTORY", &cfg.dirName, dirName),
		OPT_END()
	};


	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);
	capabilities = wdc_get_drive_capabilities(r, dev);
	if ((capabilities & WDC_DRIVE_CAP_DRIVE_ESSENTIALS) != WDC_DRIVE_CAP_DRIVE_ESSENTIALS) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
		goto out;
	}

	if (cfg.dirName) {
		strncpy(d, cfg.dirName, PATH_MAX - 1);
		d_ptr = d;
	} else {
		d_ptr = NULL;
	}

	ret = wdc_do_drive_essentials(r, dev, d_ptr, k);
out:
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_do_drive_resize(struct nvme_dev *dev, uint64_t new_size)
{
	int ret;
	struct nvme_passthru_cmd admin_cmd;

	memset(&admin_cmd, 0, sizeof(struct nvme_passthru_cmd));
	admin_cmd.opcode = WDC_NVME_DRIVE_RESIZE_OPCODE;
	admin_cmd.cdw12 = ((WDC_NVME_DRIVE_RESIZE_SUBCMD << WDC_NVME_SUBCMD_SHIFT) |
			    WDC_NVME_DRIVE_RESIZE_CMD);
	admin_cmd.cdw13 = new_size;

	ret = nvme_submit_admin_passthru(dev_fd(dev), &admin_cmd, NULL);
	return ret;
}

static int wdc_do_namespace_resize(struct nvme_dev *dev, __u32 nsid, __u32 op_option)
{
	int ret;
	struct nvme_passthru_cmd admin_cmd;

	memset(&admin_cmd, 0, sizeof(struct nvme_passthru_cmd));
	admin_cmd.opcode = WDC_NVME_NAMESPACE_RESIZE_OPCODE;
	admin_cmd.nsid = nsid;
	admin_cmd.cdw10 = op_option;

	ret = nvme_submit_admin_passthru(dev_fd(dev), &admin_cmd, NULL);
	return ret;
}

static int wdc_do_drive_info(struct nvme_dev *dev, __u32 *result)
{
	int ret;
	struct nvme_passthru_cmd admin_cmd;

	memset(&admin_cmd, 0, sizeof(struct nvme_passthru_cmd));
	admin_cmd.opcode = WDC_NVME_DRIVE_INFO_OPCODE;
	admin_cmd.cdw12 = ((WDC_NVME_DRIVE_INFO_SUBCMD << WDC_NVME_SUBCMD_SHIFT) |
			    WDC_NVME_DRIVE_INFO_CMD);

	ret = nvme_submit_admin_passthru(dev_fd(dev), &admin_cmd, NULL);

	if (!ret && result)
		*result = admin_cmd.result;

	return ret;
}

static int wdc_drive_resize(int argc, char **argv,
		struct command *command, struct plugin *plugin)
{
	const char *desc = "Send a Resize command.";
	const char *size = "The new size (in GB) to resize the drive to.";
	uint64_t capabilities = 0;
	struct nvme_dev *dev;
	nvme_root_t r;
	int ret;

	struct config {
		uint64_t size;
	};

	struct config cfg = {
		.size = 0,
	};

	OPT_ARGS(opts) = {
		OPT_UINT("size", 's', &cfg.size, size),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);
	wdc_check_device(r, dev);
	capabilities = wdc_get_drive_capabilities(r, dev);
	if ((capabilities & WDC_DRIVE_CAP_RESIZE) == WDC_DRIVE_CAP_RESIZE) {
		ret = wdc_do_drive_resize(dev, cfg.size);
	} else {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
	}

	if (!ret)
		printf("New size: %" PRIu64 " GB\n", cfg.size);

	nvme_show_status(ret);
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_namespace_resize(int argc, char **argv,
		struct command *command, struct plugin *plugin)
{
	const char *desc = "Send a Namespace Resize command.";
	const char *namespace_id = "The namespace id to resize.";
	const char *op_option = "The over provisioning option to set for namespace.";
	uint64_t capabilities = 0;
	struct nvme_dev *dev;
	nvme_root_t r;
	int ret;

	struct config {
		__u32 namespace_id;
		__u32 op_option;
	};

	struct config cfg = {
		.namespace_id = 0x1,
		.op_option = 0xF,
	};

	OPT_ARGS(opts) = {
		OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id),
		OPT_UINT("op-option", 'o', &cfg.op_option, op_option),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	if ((cfg.op_option != 0x1) && (cfg.op_option != 0x2) && (cfg.op_option != 0x3) &&
	    (cfg.op_option != 0xF)) {
		fprintf(stderr, "ERROR: WDC: unsupported OP option parameter\n");
		dev_close(dev);
		return -1;
	}

	r = nvme_scan(NULL);
	wdc_check_device(r, dev);
	capabilities = wdc_get_drive_capabilities(r, dev);
	if ((capabilities & WDC_DRIVE_CAP_NS_RESIZE) == WDC_DRIVE_CAP_NS_RESIZE) {
		ret = wdc_do_namespace_resize(dev, cfg.namespace_id,
					      cfg.op_option);

		if (ret)
			printf("ERROR: WDC: Namespace Resize of namespace id 0x%x, op option 0x%x failed\n", cfg.namespace_id, cfg.op_option);
	} else {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
	}

	nvme_show_status(ret);
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_reason_identifier(int argc, char **argv,
		struct command *command, struct plugin *plugin)
{
	const char *desc = "Retrieve telemetry log reason identifier.";
	const char *log_id = "Log ID to retrieve - host - 7 or controller - 8";
	const char *fname = "File name to save raw binary identifier";
	struct nvme_dev *dev;
	nvme_root_t r;
	int ret;
	uint64_t capabilities = 0;
	char f[PATH_MAX] = {0};
	char fileSuffix[PATH_MAX] = {0};
	UtilsTimeInfo             timeInfo;
	__u8                      timeStamp[MAX_PATH_LEN];


	struct config {
		int log_id;
		char *file;
	};
	struct config cfg = {
		.log_id = 7,
		.file = NULL,
	};

	OPT_ARGS(opts) = {
		OPT_UINT("log-id", 'i', &cfg.log_id, log_id),
		OPT_FILE("file",   'o', &cfg.file,   fname),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);

	if (ret)
		return ret;

	r = nvme_scan(NULL);

	if (cfg.log_id != NVME_LOG_LID_TELEMETRY_HOST &&
	    cfg.log_id != NVME_LOG_LID_TELEMETRY_CTRL) {
		fprintf(stderr, "ERROR: WDC: Invalid Log ID. It must be 7 (Host) or 8 (Controller)\n");
		ret = -1;
		goto close_dev;
	}

	if (cfg.file) {
		int verify_file;

		/* verify the passed in file name and path is valid before getting the dump data */
		verify_file = open(cfg.file, O_WRONLY | O_CREAT | O_TRUNC, 0666);
		if (verify_file < 0) {
			fprintf(stderr, "ERROR: WDC: open: %s\n", strerror(errno));
			ret = -1;
			goto close_dev;
		}
		close(verify_file);
		strncpy(f, cfg.file, PATH_MAX - 1);
	} else {
		wdc_UtilsGetTime(&timeInfo);
		memset(timeStamp, 0, sizeof(timeStamp));
		wdc_UtilsSnprintf((char *)timeStamp, MAX_PATH_LEN, "%02u%02u%02u_%02u%02u%02u",
			timeInfo.year, timeInfo.month, timeInfo.dayOfMonth,
			timeInfo.hour, timeInfo.minute, timeInfo.second);
		if (cfg.log_id == NVME_LOG_LID_TELEMETRY_CTRL)
			snprintf(fileSuffix, PATH_MAX, "_error_reason_identifier_ctlr_%s", (char *)timeStamp);
		else
			snprintf(fileSuffix, PATH_MAX, "_error_reason_identifier_host_%s", (char *)timeStamp);

		if (wdc_get_serial_name(dev, f, PATH_MAX, fileSuffix) == -1) {
			fprintf(stderr, "ERROR: WDC: failed to generate file name\n");
			ret = -1;
			goto close_dev;
		}
		if (strlen(f) > PATH_MAX - 5) {
			fprintf(stderr, "ERROR: WDC: file name overflow\n");
			ret = -1;
			goto close_dev;
		}
		strcat(f, ".bin");
	}

	fprintf(stderr, "%s: filename = %s\n", __func__, f);

	capabilities = wdc_get_drive_capabilities(r, dev);
	if ((capabilities & WDC_DRIVE_CAP_REASON_ID) == WDC_DRIVE_CAP_REASON_ID) {
		ret = wdc_do_get_reason_id(dev, f, cfg.log_id);
	} else {
		fprintf(stderr, "ERROR: WDC:unsupported device for this command\n");
		ret = -1;
	}

	nvme_show_status(ret);

close_dev:
	dev_close(dev);
	nvme_free_tree(r);
	return ret;
}

static const char *nvme_log_id_to_string(__u8 log_id)
{
	switch (log_id) {
	case NVME_LOG_LID_ERROR:
		return "Error Information Log ID";
	case NVME_LOG_LID_SMART:
		return "Smart/Health Information Log ID";
	case NVME_LOG_LID_FW_SLOT:
		return "Firmware Slot Information Log ID";
	case NVME_LOG_LID_CHANGED_NS:
		return "Namespace Changed Log ID";
	case NVME_LOG_LID_CMD_EFFECTS:
		return "Commamds Supported and Effects Log ID";
	case NVME_LOG_LID_DEVICE_SELF_TEST:
		return "Device Self Test Log ID";
	case NVME_LOG_LID_TELEMETRY_HOST:
		return "Telemetry Host Initiated Log ID";
	case NVME_LOG_LID_TELEMETRY_CTRL:
		return "Telemetry Controller Generated Log ID";
	case NVME_LOG_LID_ENDURANCE_GROUP:
		return "Endurance Group Log ID";
	case NVME_LOG_LID_ANA:
		return "ANA Log ID";
	case NVME_LOG_LID_PERSISTENT_EVENT:
		return "Persistent Event Log ID";
	case NVME_LOG_LID_DISCOVER:
		return "Discovery Log ID";
	case NVME_LOG_LID_RESERVATION:
		return "Reservation Notification Log ID";
	case NVME_LOG_LID_SANITIZE:
		return "Sanitize Status Log ID";
	case WDC_LOG_ID_C0:
		return "WDC Vendor Unique Log ID C0";
	case WDC_LOG_ID_C1:
		return "WDC Vendor Unique Log ID C1";
	case WDC_LOG_ID_C2:
		return "WDC Vendor Unique Log ID C2";
	case WDC_LOG_ID_C3:
		return "WDC Vendor Unique Log ID C3";
	case WDC_LOG_ID_C4:
		return "WDC Vendor Unique Log ID C4";
	case WDC_LOG_ID_C5:
		return "WDC Vendor Unique Log ID C5";
	case WDC_LOG_ID_C6:
		return "WDC Vendor Unique Log ID C6";
	case WDC_LOG_ID_C8:
		return "WDC Vendor Unique Log ID C8";
	case WDC_LOG_ID_CA:
		return "WDC Vendor Unique Log ID CA";
	case WDC_LOG_ID_CB:
		return "WDC Vendor Unique Log ID CB";
	case WDC_LOG_ID_D0:
		return "WDC Vendor Unique Log ID D0";
	case WDC_LOG_ID_D1:
		return "WDC Vendor Unique Log ID D1";
	case WDC_LOG_ID_D6:
		return "WDC Vendor Unique Log ID D6";
	case WDC_LOG_ID_D7:
		return "WDC Vendor Unique Log ID D7";
	case WDC_LOG_ID_D8:
		return "WDC Vendor Unique Log ID D8";
	case WDC_LOG_ID_DE:
		return "WDC Vendor Unique Log ID DE";
	case WDC_LOG_ID_F0:
		return "WDC Vendor Unique Log ID F0";
	case WDC_LOG_ID_F1:
		return "WDC Vendor Unique Log ID F1";
	case WDC_LOG_ID_F2:
		return "WDC Vendor Unique Log ID F2";
	case WDC_LOG_ID_FA:
		return "WDC Vendor Unique Log ID FA";
	default:
		return "Unknown Log ID";
	}
}

static void __json_log_page_directory(struct log_page_directory *directory)
{
	__u32 bitmap_idx;
	__u8  log_id;
	struct json_object *root;
	struct json_object *entries;

	root = json_create_object();

	entries = json_create_array();
	json_object_add_value_array(root, "Entries", entries);

	for (bitmap_idx = 0; bitmap_idx < BYTE_TO_BIT(sizeof(__u64)); bitmap_idx++) {
		log_id = bitmap_idx;
		if (!log_page_name[log_id])
			continue;
		if (directory->supported_lid_bitmap & (1ULL << bitmap_idx)) {
			struct json_object *json_entry = json_create_object();

			json_object_add_value_uint(json_entry, "Log ID", log_id);
			json_object_add_value_string(json_entry, "Log Page Name",
						     log_page_name[log_id]);

			json_array_add_value_object(entries, json_entry);
		}
	}

	for (bitmap_idx = 0; bitmap_idx < BYTE_TO_BIT(sizeof(__u64)); bitmap_idx++) {
		log_id = NVME_LOG_NS_BASE + bitmap_idx;
		if (!log_page_name[log_id])
			continue;
		if (directory->supported_ns_lid_bitmap & (1ULL << bitmap_idx)) {
			struct json_object *json_entry = json_create_object();

			json_object_add_value_uint(json_entry, "Log ID", log_id);
			json_object_add_value_string(json_entry, "Log Page Name",
						     log_page_name[log_id]);

			json_array_add_value_object(entries, json_entry);
		}
	}

	for (bitmap_idx = 0; bitmap_idx < BYTE_TO_BIT(sizeof(__u64)); bitmap_idx++) {
		log_id = NVME_LOG_VS_BASE + bitmap_idx;
		if (!log_page_name[log_id])
			continue;
		if (directory->supported_vs_lid_bitmap & (1ULL << bitmap_idx)) {
			struct json_object *json_entry = json_create_object();

			json_object_add_value_uint(json_entry, "Log ID", log_id);
			json_object_add_value_string(json_entry, "Log Page Name",
						     log_page_name[log_id]);

			json_array_add_value_object(entries, json_entry);
		}
	}

	json_print_object(root, NULL);
	printf("\n");
	json_free_object(root);
}


static void __show_log_page_directory(struct log_page_directory *directory)
{
	__u32 bitmap_idx;
	__u8  log_id;

	for (bitmap_idx = 0; bitmap_idx < BYTE_TO_BIT(sizeof(__u64)); bitmap_idx++) {
		if (directory->supported_lid_bitmap & (1ULL << bitmap_idx)) {
			log_id = bitmap_idx;
			if (log_page_name[log_id])
				printf("0x%02X: %s\n", log_id, log_page_name[log_id]);
		}
	}

	for (bitmap_idx = 0; bitmap_idx < BYTE_TO_BIT(sizeof(__u64)); bitmap_idx++) {
		if (directory->supported_ns_lid_bitmap & (1ULL << bitmap_idx)) {
			log_id = NVME_LOG_NS_BASE + bitmap_idx;
			if (log_page_name[log_id])
				printf("0x%02X: %s\n", log_id, log_page_name[log_id]);
		}
	}

	for (bitmap_idx = 0; bitmap_idx < BYTE_TO_BIT(sizeof(__u64)); bitmap_idx++) {
		if (directory->supported_vs_lid_bitmap & (1ULL << bitmap_idx)) {
			log_id = NVME_LOG_VS_BASE + bitmap_idx;
			if (log_page_name[log_id])
				printf("0x%02X: %s\n", log_id, log_page_name[log_id]);
		}
	}
}

static int wdc_log_page_directory(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	const char *desc = "Retrieve Log Page Directory.";
	nvme_print_flags_t fmt;
	struct nvme_dev *dev;
	int ret = 0;
	nvme_root_t r;
	__u64 capabilities = 0;
	struct wdc_c2_cbs_data *cbs_data = NULL;
	int i;
	__u8 log_id = 0;
	__u32 device_id, read_vendor_id;
	bool uuid_supported = false;
	struct nvme_id_uuid_list uuid_list;

	struct config {
		char *output_format;
	};

	struct config cfg = {
		.output_format = "normal",
	};

	OPT_ARGS(opts) = {
		OPT_FMT("output-format", 'o', &cfg.output_format, "Output Format: normal|json|binary"),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	ret = validate_output_format(cfg.output_format, &fmt);
	if (ret < 0) {
		fprintf(stderr, "%s: ERROR: WDC: invalid output format\n", __func__);
		dev_close(dev);
		return ret;
	}

	r = nvme_scan(NULL);
	capabilities = wdc_get_drive_capabilities(r, dev);

	if (!(capabilities & WDC_DRIVE_CAP_LOG_PAGE_DIR)) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
	} else {

		memset(&uuid_list, 0, sizeof(struct nvme_id_uuid_list));
		if (wdc_CheckUuidListSupport(dev, &uuid_list))
			uuid_supported = true;

		if (uuid_supported)
			fprintf(stderr, "WDC: UUID lists supported\n");
		else
			fprintf(stderr, "WDC: UUID lists NOT supported\n");


		ret = wdc_get_pci_ids(r, dev, &device_id, &read_vendor_id);
		log_id = (device_id == WDC_NVME_ZN350_DEV_ID ||
			  device_id == WDC_NVME_ZN350_DEV_ID_1) ?
			WDC_NVME_GET_DEV_MGMNT_LOG_PAGE_ID_C8 :
			WDC_NVME_GET_DEV_MGMNT_LOG_PAGE_ID;

		if (!wdc_is_sn861(device_id)) {
			/* verify the 0xC2 Device Manageability log page is supported */
			if (wdc_nvme_check_supported_log_page(r, dev, log_id) == false) {
				fprintf(stderr,
					"%s: ERROR: WDC: 0x%x Log Page not supported\n",
					__func__, log_id);
				ret = -1;
				goto out;
			}

			if (!get_dev_mgment_cbs_data(r, dev,
						    WDC_C2_LOG_PAGES_SUPPORTED_ID,
						    (void *)&cbs_data)) {
				fprintf(stderr,
					"%s: ERROR: WDC: 0xC2 Log Page entry ID 0x%x not found\n",
					__func__, WDC_C2_LOG_PAGES_SUPPORTED_ID);
				ret = -1;
				goto out;
			}
			if (!cbs_data) {
				fprintf(stderr, "%s: ERROR: WDC: NULL_data ptr\n", __func__);
				ret = -1;
				goto out;
			}
			printf("Log Page Directory\n");
			/* print the supported pages */
			if (!strcmp(cfg.output_format, "normal")) {
				for (i = 0; i < le32_to_cpu(cbs_data->length); i++)
					printf("0x%x  - %s\n", cbs_data->data[i],
					       nvme_log_id_to_string(cbs_data->data[i]));
			} else if (!strcmp(cfg.output_format, "binary")) {
				d((__u8 *)cbs_data->data,
				  le32_to_cpu(cbs_data->length), 16, 1);
			} else if (!strcmp(cfg.output_format, "json")) {
				struct json_object *root = json_create_object();

				for (i = 0; i < le32_to_cpu(cbs_data->length); i++) {
					json_object_add_value_int(root,
						nvme_log_id_to_string(cbs_data->data[i]),
						cbs_data->data[i]);
				}

				json_print_object(root, NULL);
				printf("\n");
				json_free_object(root);
			} else {
				fprintf(stderr,
					"%s: ERROR: WDC: Invalid format, format = %s\n",
					__func__, cfg.output_format);
			}

			free(cbs_data);
		} else {
			struct log_page_directory *dir;
			void *data = NULL;
			__u32 result;

			if (posix_memalign(&data, getpagesize(), 512)) {
				fprintf(stderr,
					"can not allocate log page directory payload\n");
				ret = ENOMEM;
				goto out;
			}

			dir = (struct log_page_directory *)data;
			ret = nvme_admin_passthru(dev_fd(dev), WDC_NVME_ADMIN_VUC_OPCODE_D2, 0, 0,
					0, 0, 0, 8,
					0, WDC_VUC_SUBOPCODE_LOG_PAGE_DIR_D2, 0, 0, 0,
					32, data, 0, NULL,
					0, &result);

			if (!ret) {
				switch (fmt) {
				case BINARY:
					d_raw((unsigned char *)data, 32);
					break;
				case JSON:
					__json_log_page_directory(dir);
					break;
				default:
					__show_log_page_directory(dir);
				}
			} else {
				fprintf(stderr, "NVMe Status:%s(%x)\n",
					nvme_status_to_string(ret, false), ret);
			}
		}
	}

out:
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_get_drive_reason_id(struct nvme_dev *dev, char *drive_reason_id, size_t len)
{
	int i, j;
	int ret;
	int res_len = 0;
	struct nvme_id_ctrl ctrl;
	char *reason_id_str = "reason_id";

	i = sizeof(ctrl.sn) - 1;
	j = sizeof(ctrl.mn) - 1;
	memset(drive_reason_id, 0, len);
	memset(&ctrl, 0, sizeof(struct nvme_id_ctrl));
	ret = nvme_identify_ctrl(dev_fd(dev), &ctrl);
	if (ret) {
		fprintf(stderr, "ERROR: WDC: nvme_identify_ctrl() failed 0x%x\n", ret);
		return -1;
	}
	/* Remove trailing spaces from the sn and mn */
	while (i && ctrl.sn[i] == ' ') {
		ctrl.sn[i] = '\0';
		i--;
	}

	while (j && ctrl.mn[j] == ' ') {
		ctrl.mn[j] = '\0';
		j--;
	}

	res_len = snprintf(drive_reason_id, len, "%s_%s_%s", ctrl.sn, ctrl.mn, reason_id_str);
	if (len <= res_len) {
		fprintf(stderr,
			"ERROR: WDC: cannot format serial number due to data of unexpected length\n");
		return -1;
	}

	return 0;
}

static int wdc_save_reason_id(struct nvme_dev *dev, __u8 *rsn_ident,  int size)
{
	int ret = 0;
	char *reason_id_file;
	char drive_reason_id[PATH_MAX] = {0};
	char reason_id_path[PATH_MAX] = WDC_REASON_ID_PATH_NAME;
	struct stat st = {0};

	if (wdc_get_drive_reason_id(dev, drive_reason_id, PATH_MAX) == -1) {
		fprintf(stderr, "%s: ERROR: failed to get drive reason id\n", __func__);
		return -1;
	}

	/* make the nvmecli dir in /usr/local if it doesn't already exist */
	if (stat(reason_id_path, &st) == -1) {
		if (mkdir(reason_id_path, 0700) < 0) {
			fprintf(stderr, "%s: ERROR: failed to mkdir %s: %s\n",
				__func__, reason_id_path, strerror(errno));
			return -1;
		}
	}

	if (asprintf(&reason_id_file, "%s/%s%s", reason_id_path,
		    drive_reason_id, ".bin") < 0)
		return -ENOMEM;

	fprintf(stderr, "%s: reason id file = %s\n", __func__, reason_id_file);

	/* save off the error reason identifier to a file in /usr/local/nvmecli */
	ret = wdc_create_log_file(reason_id_file, rsn_ident, WDC_REASON_ID_ENTRY_LEN);
	free(reason_id_file);

	return ret;
}

static int wdc_clear_reason_id(struct nvme_dev *dev)
{
	int ret = -1;
	int verify_file;
	char *reason_id_file;
	char drive_reason_id[PATH_MAX] = {0};

	if (wdc_get_drive_reason_id(dev, drive_reason_id, PATH_MAX) == -1) {
		fprintf(stderr, "%s: ERROR: failed to get drive reason id\n", __func__);
		return -1;
	}

	if (asprintf(&reason_id_file, "%s/%s%s", WDC_REASON_ID_PATH_NAME,
		     drive_reason_id, ".bin") < 0)
		return -ENOMEM;

	/* verify the drive reason id file name and path is valid */
	verify_file = open(reason_id_file, O_WRONLY | O_CREAT | O_TRUNC, 0666);
	if (verify_file < 0) {
		ret = -1;
		goto free;
	}
	close(verify_file);

	/* remove the reason id file */
	ret = remove(reason_id_file);

free:
	free(reason_id_file);

	return ret;
}

static int wdc_dump_telemetry_hdr(struct nvme_dev *dev, int log_id, struct nvme_telemetry_log *log_hdr)
{
	int ret = 0;

	if (log_id == NVME_LOG_LID_TELEMETRY_HOST)
		ret = nvme_get_log_create_telemetry_host(dev_fd(dev), log_hdr);
	else
		ret = nvme_get_log_telemetry_ctrl(dev_fd(dev), false, 0, 512,
						  (void *)log_hdr);

	if (ret < 0) {
		perror("get-telemetry-log");
	} else if (ret > 0) {
		nvme_show_status(ret);
		fprintf(stderr, "%s: ERROR: Failed to acquire telemetry header, ret = %d!\n", __func__, ret);
	}

	return ret;
}

static int wdc_do_get_reason_id(struct nvme_dev *dev, char *file, int log_id)
{
	int ret;
	struct nvme_telemetry_log *log_hdr;
	__u32 log_hdr_size = sizeof(struct nvme_telemetry_log);
	__u32 reason_id_size = 0;

	log_hdr = (struct nvme_telemetry_log *)malloc(log_hdr_size);
	if (!log_hdr) {
		fprintf(stderr, "%s: ERROR: malloc failed, size : 0x%x, status: %s\n", __func__, log_hdr_size, strerror(errno));
		ret = -1;
		goto out;
	}
	memset(log_hdr, 0, log_hdr_size);

	ret = wdc_dump_telemetry_hdr(dev, log_id, log_hdr);
	if (ret) {
		fprintf(stderr, "%s: ERROR: get telemetry header failed, ret  : %d\n", __func__, ret);
		ret = -1;
		goto out;
	}

	reason_id_size = sizeof(log_hdr->rsnident);

	if (log_id == NVME_LOG_LID_TELEMETRY_CTRL)
		wdc_save_reason_id(dev, log_hdr->rsnident, reason_id_size);

	ret = wdc_create_log_file(file, (__u8 *)log_hdr->rsnident, reason_id_size);

out:
	free(log_hdr);
	return ret;
}

static void wdc_print_nand_stats_normal(__u16 version, void *data)
{
	struct wdc_nand_stats *nand_stats = (struct wdc_nand_stats *)(data);
	struct wdc_nand_stats_V3 *nand_stats_v3 = (struct wdc_nand_stats_V3 *)(data);
	__u64 temp_raw;
	__u16 temp_norm;
	__u64 *temp_ptr = NULL;

	switch (version) {
	case 0:
		printf("  NAND Statistics :-\n");
		printf("  NAND Writes TLC (Bytes)		         %s\n",
			uint128_t_to_string(
				le128_to_cpu(nand_stats->nand_write_tlc)));
		printf("  NAND Writes SLC (Bytes)			 %s\n",
			uint128_t_to_string(
				le128_to_cpu(nand_stats->nand_write_slc)));
		printf("  NAND Program Failures			         %"PRIu32"\n",
				(uint32_t)le32_to_cpu(nand_stats->nand_prog_failure));
		printf("  NAND Erase Failures				 %"PRIu32"\n",
				(uint32_t)le32_to_cpu(nand_stats->nand_erase_failure));
		printf("  Bad Block Count			         %"PRIu32"\n",
				(uint32_t)le32_to_cpu(nand_stats->bad_block_count));
		printf("  NAND XOR/RAID Recovery Trigger Events		 %"PRIu64"\n",
				le64_to_cpu(nand_stats->nand_rec_trigger_event));
		printf("  E2E Error Counter				 %"PRIu64"\n",
				le64_to_cpu(nand_stats->e2e_error_counter));
		printf("  Number Successful NS Resizing Events		 %"PRIu64"\n",
				le64_to_cpu(nand_stats->successful_ns_resize_event));
		printf("  log page version				 %"PRIu16"\n",
				le16_to_cpu(nand_stats->log_page_version));
		break;
	case 3:
		printf("  NAND Statistics V3:-\n");
		printf("  TLC Units Written				 %s\n",
			uint128_t_to_string(
				le128_to_cpu(nand_stats_v3->nand_write_tlc)));
		printf("  SLC Units Written				 %s\n",
			uint128_t_to_string(
				le128_to_cpu(nand_stats_v3->nand_write_slc)));
		temp_ptr = (__u64 *)nand_stats_v3->bad_nand_block_count;
		temp_norm = (__u16)(*temp_ptr & 0x000000000000FFFF);
		temp_raw = ((*temp_ptr & 0xFFFFFFFFFFFF0000) >> 16);
		printf("  Bad NAND Blocks Count - Normalized		 %"PRIu16"\n",
				le16_to_cpu(temp_norm));
		printf("  Bad NAND Blocks Count - Raw			 %"PRIu64"\n",
				le64_to_cpu(temp_raw));
		printf("  NAND XOR Recovery count			 %"PRIu64"\n",
				le64_to_cpu(nand_stats_v3->xor_recovery_count));
		printf("  UECC Read Error count				 %"PRIu64"\n",
				le64_to_cpu(nand_stats_v3->uecc_read_error_count));
		printf("  SSD End to End corrected errors		 %"PRIu64"\n",
				le64_to_cpu(nand_stats_v3->ssd_correction_counts[0]));
		printf("  SSD End to End detected errors		 %"PRIu32"\n",
				le32_to_cpu(nand_stats_v3->ssd_correction_counts[8]));
		printf("  SSD End to End uncorrected E2E errors		 %"PRIu32"\n",
				le32_to_cpu(nand_stats_v3->ssd_correction_counts[12]));
		printf("  System data %% life-used			 %u\n",
				nand_stats_v3->percent_life_used);
		printf("  User Data Erase Counts - TLC Min		 %"PRIu64"\n",
				le64_to_cpu(nand_stats_v3->user_data_erase_counts[0]));
		printf("  User Data Erase Counts - TLC Max		 %"PRIu64"\n",
				le64_to_cpu(nand_stats_v3->user_data_erase_counts[1]));
		printf("  User Data Erase Counts - SLC Min		 %"PRIu64"\n",
				le64_to_cpu(nand_stats_v3->user_data_erase_counts[2]));
		printf("  User Data Erase Counts - SLC Max		 %"PRIu64"\n",
				le64_to_cpu(nand_stats_v3->user_data_erase_counts[3]));
		temp_ptr = (__u64 *)nand_stats_v3->program_fail_count;
		temp_norm = (__u16)(*temp_ptr & 0x000000000000FFFF);
		temp_raw = ((*temp_ptr & 0xFFFFFFFFFFFF0000) >> 16);
		printf("  Program Fail Count - Normalized		 %"PRIu16"\n",
				le16_to_cpu(temp_norm));
		printf("  Program Fail Count - Raw			 %"PRIu64"\n",
				le64_to_cpu(temp_raw));
		temp_ptr = (__u64 *)nand_stats_v3->erase_fail_count;
		temp_norm = (__u16)(*temp_ptr & 0x000000000000FFFF);
		temp_raw = ((*temp_ptr & 0xFFFFFFFFFFFF0000) >> 16);
		printf("  Erase Fail Count - Normalized			 %"PRIu16"\n",
				le16_to_cpu(temp_norm));
		printf("  Erase Fail Count - Raw		         %"PRIu64"\n",
				le64_to_cpu(temp_raw));
		printf("  PCIe Correctable Error Count			 %"PRIu16"\n",
				le16_to_cpu(nand_stats_v3->correctable_error_count));
		printf("  %% Free Blocks (User)				 %u\n",
				nand_stats_v3->percent_free_blocks_user);
		printf("  Security Version Number			 %"PRIu64"\n",
				le64_to_cpu(nand_stats_v3->security_version_number));
		printf("  %% Free Blocks (System)			 %u\n",
				nand_stats_v3->percent_free_blocks_system);
		printf("  Data Set Management Commands			 %s\n",
			uint128_t_to_string(
				le128_to_cpu(nand_stats_v3->trim_completions)));
		printf("  Estimate of Incomplete Trim Data		 %"PRIu64"\n",
				le64_to_cpu(nand_stats_v3->trim_completions[16]));
		printf("  %% of completed trim				 %u\n",
				nand_stats_v3->trim_completions[24]);
		printf("  Background Back-Pressure-Guage		 %u\n",
				nand_stats_v3->back_pressure_guage);
		printf("  Soft ECC Error Count				 %"PRIu64"\n",
				le64_to_cpu(nand_stats_v3->soft_ecc_error_count));
		printf("  Refresh Count					 %"PRIu64"\n",
				le64_to_cpu(nand_stats_v3->refresh_count));
		temp_ptr = (__u64 *)nand_stats_v3->bad_sys_nand_block_count;
		temp_norm = (__u16)(*temp_ptr & 0x000000000000FFFF);
		temp_raw = ((*temp_ptr & 0xFFFFFFFFFFFF0000) >> 16);
		printf("  Bad System Nand Block Count - Normalized	 %"PRIu16"\n",
				le16_to_cpu(temp_norm));
		printf("  Bad System Nand Block Count - Raw	         %"PRIu64"\n",
				le64_to_cpu(temp_raw));
		printf("  Endurance Estimate				 %s\n",
			uint128_t_to_string(
				le128_to_cpu(nand_stats_v3->endurance_estimate)));
		printf("  Thermal Throttling Count			 %u\n",
				nand_stats_v3->thermal_throttling_st_ct[0]);
		printf("  Thermal Throttling Status			 %u\n",
				nand_stats_v3->thermal_throttling_st_ct[1]);
		printf("  Unaligned I/O					 %"PRIu64"\n",
				le64_to_cpu(nand_stats_v3->unaligned_IO));
		printf("  Physical Media Units Read			 %s\n",
			uint128_t_to_string(
				le128_to_cpu(nand_stats_v3->physical_media_units)));
		printf("  log page version				 %"PRIu16"\n",
				le16_to_cpu(nand_stats_v3->log_page_version));
		break;

	default:
		fprintf(stderr, "WDC: Nand Stats ERROR: Invalid version\n");
		break;

	}
}

static void wdc_print_nand_stats_json(__u16 version, void *data)
{
	struct wdc_nand_stats *nand_stats = (struct wdc_nand_stats *)(data);
	struct wdc_nand_stats_V3 *nand_stats_v3 = (struct wdc_nand_stats_V3 *)(data);
	struct json_object *root = json_create_object();
	__u64 temp_raw;
	__u16 temp_norm;
	__u64 *temp_ptr = NULL;

	switch (version) {
	case 0:
		json_object_add_value_uint128(root, "NAND Writes TLC (Bytes)",
				le128_to_cpu(nand_stats->nand_write_tlc));
		json_object_add_value_uint128(root, "NAND Writes SLC (Bytes)",
				le128_to_cpu(nand_stats->nand_write_slc));
		json_object_add_value_uint(root, "NAND Program Failures",
				le32_to_cpu(nand_stats->nand_prog_failure));
		json_object_add_value_uint(root, "NAND Erase Failures",
				le32_to_cpu(nand_stats->nand_erase_failure));
		json_object_add_value_uint(root, "Bad Block Count",
				le32_to_cpu(nand_stats->bad_block_count));
		json_object_add_value_uint64(root, "NAND XOR/RAID Recovery Trigger Events",
				le64_to_cpu(nand_stats->nand_rec_trigger_event));
		json_object_add_value_uint64(root, "E2E Error Counter",
				le64_to_cpu(nand_stats->e2e_error_counter));
		json_object_add_value_uint64(root, "Number Successful NS Resizing Events",
				le64_to_cpu(nand_stats->successful_ns_resize_event));

		json_print_object(root, NULL);
		printf("\n");
		break;
	case 3:
		json_object_add_value_uint128(root, "NAND Writes TLC (Bytes)",
				le128_to_cpu(nand_stats_v3->nand_write_tlc));
		json_object_add_value_uint128(root, "NAND Writes SLC (Bytes)",
				le128_to_cpu(nand_stats_v3->nand_write_slc));
		temp_ptr = (__u64 *)nand_stats_v3->bad_nand_block_count;
		temp_norm = (__u16)(*temp_ptr & 0x000000000000FFFF);
		temp_raw = ((*temp_ptr & 0xFFFFFFFFFFFF0000) >> 16);
		json_object_add_value_uint(root, "Bad NAND Blocks Count - Normalized",
				le16_to_cpu(temp_norm));
		json_object_add_value_uint64(root, "Bad NAND Blocks Count - Raw",
				le64_to_cpu(temp_raw));
		json_object_add_value_uint64(root, "NAND XOR Recovery count",
				le64_to_cpu(nand_stats_v3->xor_recovery_count));
		json_object_add_value_uint64(root, "UECC Read Error count",
				le64_to_cpu(nand_stats_v3->uecc_read_error_count));
		json_object_add_value_uint64(root, "SSD End to End corrected errors",
				le64_to_cpu(nand_stats_v3->ssd_correction_counts[0]));
		json_object_add_value_uint(root, "SSD End to End detected errors",
				le32_to_cpu(nand_stats_v3->ssd_correction_counts[8]));
		json_object_add_value_uint(root, "SSD End to End uncorrected E2E errors",
				le32_to_cpu(nand_stats_v3->ssd_correction_counts[12]));
		json_object_add_value_uint(root, "System data % life-used",
				nand_stats_v3->percent_life_used);
		json_object_add_value_uint64(root, "User Data Erase Counts - TLC Min",
				le64_to_cpu(nand_stats_v3->user_data_erase_counts[0]));
		json_object_add_value_uint64(root, "User Data Erase Counts - TLC Max",
				le64_to_cpu(nand_stats_v3->user_data_erase_counts[1]));
		json_object_add_value_uint64(root, "User Data Erase Counts - SLC Min",
				le64_to_cpu(nand_stats_v3->user_data_erase_counts[2]));
		json_object_add_value_uint64(root, "User Data Erase Counts - SLC Max",
				le64_to_cpu(nand_stats_v3->user_data_erase_counts[3]));
		temp_ptr = (__u64 *)nand_stats_v3->program_fail_count;
		temp_norm = (__u16)(*temp_ptr & 0x000000000000FFFF);
		temp_raw = ((*temp_ptr & 0xFFFFFFFFFFFF0000) >> 16);
		json_object_add_value_uint(root, "Program Fail Count - Normalized",
				le16_to_cpu(temp_norm));
		json_object_add_value_uint64(root, "Program Fail Count - Raw",
				le64_to_cpu(temp_raw));
		temp_ptr = (__u64 *)nand_stats_v3->erase_fail_count;
		temp_norm = (__u16)(*temp_ptr & 0x000000000000FFFF);
		temp_raw = ((*temp_ptr & 0xFFFFFFFFFFFF0000) >> 16);
		json_object_add_value_uint(root, "Erase Fail Count - Normalized",
				le16_to_cpu(temp_norm));
		json_object_add_value_uint64(root, "Erase Fail Count - Raw",
				le64_to_cpu(temp_raw));
		json_object_add_value_uint(root, "PCIe Correctable Error Count",
				le16_to_cpu(nand_stats_v3->correctable_error_count));
		json_object_add_value_uint(root, "% Free Blocks (User)",
				nand_stats_v3->percent_free_blocks_user);
		json_object_add_value_uint64(root, "Security Version Number",
				le64_to_cpu(nand_stats_v3->security_version_number));
		json_object_add_value_uint(root, "% Free Blocks (System)",
				nand_stats_v3->percent_free_blocks_system);
		json_object_add_value_uint128(root, "Data Set Management Commands",
				le128_to_cpu(nand_stats_v3->trim_completions));
		json_object_add_value_uint64(root, "Estimate of Incomplete Trim Data",
				le64_to_cpu(nand_stats_v3->trim_completions[16]));
		json_object_add_value_uint(root, "%% of completed trim",
				nand_stats_v3->trim_completions[24]);
		json_object_add_value_uint(root, "Background Back-Pressure-Guage",
				nand_stats_v3->back_pressure_guage);
		json_object_add_value_uint64(root, "Soft ECC Error Count",
				le64_to_cpu(nand_stats_v3->soft_ecc_error_count));
		json_object_add_value_uint64(root, "Refresh Count",
				le64_to_cpu(nand_stats_v3->refresh_count));
		temp_ptr = (__u64 *)nand_stats_v3->bad_sys_nand_block_count;
		temp_norm = (__u16)(*temp_ptr & 0x000000000000FFFF);
		temp_raw = ((*temp_ptr & 0xFFFFFFFFFFFF0000) >> 16);
		json_object_add_value_uint(root, "Bad System Nand Block Count - Normalized",
				le16_to_cpu(temp_norm));
		json_object_add_value_uint64(root, "Bad System Nand Block Count - Raw",
				le64_to_cpu(temp_raw));
		json_object_add_value_uint128(root, "Endurance Estimate",
				le128_to_cpu(nand_stats_v3->endurance_estimate));
		json_object_add_value_uint(root, "Thermal Throttling Status",
				nand_stats_v3->thermal_throttling_st_ct[0]);
		json_object_add_value_uint(root, "Thermal Throttling Count",
				nand_stats_v3->thermal_throttling_st_ct[1]);
		json_object_add_value_uint64(root, "Unaligned I/O",
				le64_to_cpu(nand_stats_v3->unaligned_IO));
		json_object_add_value_uint128(root, "Physical Media Units Read",
				le128_to_cpu(nand_stats_v3->physical_media_units));
		json_object_add_value_uint(root, "log page version",
				le16_to_cpu(nand_stats_v3->log_page_version));

		json_print_object(root, NULL);
		printf("\n");
		break;
	default:
		printf("%s: Invalid Stats Version = %d\n", __func__, version);
		break;
	}

	json_free_object(root);

}

static void wdc_print_pcie_stats_normal(struct wdc_vs_pcie_stats *pcie_stats)
{
	printf("  PCIE Statistics :-\n");
	printf("  Unsupported Request Error Counter             %20"PRIu64"\n",
			le64_to_cpu(pcie_stats->unsupportedRequestErrorCount));
	printf("  ECRC Error Status Counter                     %20"PRIu64"\n",
			le64_to_cpu(pcie_stats->ecrcErrorStatusCount));
	printf("  Malformed TLP Status Counter                  %20"PRIu64"\n",
			le64_to_cpu(pcie_stats->malformedTlpStatusCount));
	printf("  Receiver Overflow Status Counter              %20"PRIu64"\n",
			le64_to_cpu(pcie_stats->receiverOverflowStatusCount));
	printf("  Unexpected Completion Status Counter          %20"PRIu64"\n",
			le64_to_cpu(pcie_stats->unexpectedCmpltnStatusCount));
	printf("  Complete Abort Status Counter                 %20"PRIu64"\n",
			le64_to_cpu(pcie_stats->completeAbortStatusCount));
	printf("  Completion Timeout Status Counter             %20"PRIu64"\n",
			le64_to_cpu(pcie_stats->cmpltnTimoutStatusCount));
	printf("  Flow Control Error Status Counter             %20"PRIu64"\n",
			le64_to_cpu(pcie_stats->flowControlErrorStatusCount));
	printf("  Poisoned TLP Status Counter                   %20"PRIu64"\n",
			le64_to_cpu(pcie_stats->poisonedTlpStatusCount));
	printf("  Dlink Protocol Error Status Counter           %20"PRIu64"\n",
			le64_to_cpu(pcie_stats->dLinkPrtclErrorStatusCount));
	printf("  Advisory Non Fatal Error Status Counter       %20"PRIu64"\n",
			le64_to_cpu(pcie_stats->advsryNFatalErrStatusCount));
	printf("  Replay Timer TO Status Counter                %20"PRIu64"\n",
			le64_to_cpu(pcie_stats->replayTimerToStatusCount));
	printf("  Replay Number Rollover Status Counter         %20"PRIu64"\n",
			le64_to_cpu(pcie_stats->replayNumRolloverStCount));
	printf("  Bad DLLP Status Counter                       %20"PRIu64"\n",
			le64_to_cpu(pcie_stats->badDllpStatusCount));
	printf("  Bad TLP Status Counter                        %20"PRIu64"\n",
			le64_to_cpu(pcie_stats->badTlpStatusCount));
	printf("  Receiver Error Status Counter                 %20"PRIu64"\n",
			le64_to_cpu(pcie_stats->receiverErrStatusCount));

}

static void wdc_print_pcie_stats_json(struct wdc_vs_pcie_stats *pcie_stats)
{
	struct json_object *root = json_create_object();

	json_object_add_value_uint64(root, "Unsupported Request Error Counter",
			le64_to_cpu(pcie_stats->unsupportedRequestErrorCount));
	json_object_add_value_uint64(root, "ECRC Error Status Counter",
			le64_to_cpu(pcie_stats->ecrcErrorStatusCount));
	json_object_add_value_uint64(root, "Malformed TLP Status Counter",
			le64_to_cpu(pcie_stats->malformedTlpStatusCount));

	json_object_add_value_uint64(root, "Receiver Overflow Status Counter",
			le64_to_cpu(pcie_stats->receiverOverflowStatusCount));
	json_object_add_value_uint64(root, "Unexpected Completion Status Counter",
			le64_to_cpu(pcie_stats->unexpectedCmpltnStatusCount));
	json_object_add_value_uint64(root, "Complete Abort Status Counter",
			le64_to_cpu(pcie_stats->completeAbortStatusCount));
	json_object_add_value_uint64(root, "Completion Timeout Status Counter",
			le64_to_cpu(pcie_stats->cmpltnTimoutStatusCount));
	json_object_add_value_uint64(root, "Flow Control Error Status Counter",
			le64_to_cpu(pcie_stats->flowControlErrorStatusCount));
	json_object_add_value_uint64(root, "Poisoned TLP Status Counter",
			le64_to_cpu(pcie_stats->poisonedTlpStatusCount));
	json_object_add_value_uint64(root, "Dlink Protocol Error Status Counter",
			le64_to_cpu(pcie_stats->dLinkPrtclErrorStatusCount));
	json_object_add_value_uint64(root, "Advisory Non Fatal Error Status Counter",
			le64_to_cpu(pcie_stats->advsryNFatalErrStatusCount));
	json_object_add_value_uint64(root, "Replay Timer TO Status Counter",
			le64_to_cpu(pcie_stats->replayTimerToStatusCount));
	json_object_add_value_uint64(root, "Replay Number Rollover Status Counter",
			le64_to_cpu(pcie_stats->replayNumRolloverStCount));
	json_object_add_value_uint64(root, "Bad DLLP Status Counter",
			le64_to_cpu(pcie_stats->badDllpStatusCount));
	json_object_add_value_uint64(root, "Bad TLP Status Counter",
			le64_to_cpu(pcie_stats->badTlpStatusCount));
	json_object_add_value_uint64(root, "Receiver Error Status Counter",
			le64_to_cpu(pcie_stats->receiverErrStatusCount));

	json_print_object(root, NULL);
	printf("\n");

	json_free_object(root);
}

static int wdc_do_vs_nand_stats_sn810_2(struct nvme_dev *dev, char *format)
{
	nvme_print_flags_t fmt;
	uint8_t *data = NULL;
	int ret;

	data = NULL;
	ret = nvme_get_ext_smart_cloud_log(dev_fd(dev), &data, 0,
					   NVME_NSID_ALL);

	if (ret) {
		fprintf(stderr, "ERROR: WDC: %s : Failed to retrieve NAND stats\n", __func__);
		goto out;
	} else {
		ret = validate_output_format(format, &fmt);
		if (ret < 0) {
			fprintf(stderr, "ERROR: WDC: %s : invalid output format\n", __func__);
			goto out;
		}

		/* parse the data */
		switch (fmt) {
		case NORMAL:
			wdc_print_ext_smart_cloud_log_normal(data, WDC_SCA_V1_NAND_STATS);
			break;
		case JSON:
			wdc_print_ext_smart_cloud_log_json(data, WDC_SCA_V1_NAND_STATS);
			break;
		default:
			break;
		}
	}

out:
	if (data)
		free(data);
	return ret;
}

static int wdc_do_vs_nand_stats(struct nvme_dev *dev, char *format)
{
	nvme_print_flags_t fmt;
	uint8_t *output = NULL;
	__u16 version = 0;
	int ret;

	output = (uint8_t *)calloc(WDC_NVME_NAND_STATS_SIZE, sizeof(uint8_t));
	if (!output) {
		fprintf(stderr, "ERROR: WDC: calloc: %s\n", strerror(errno));
		ret = -1;
		goto out;
	}

	ret = nvme_get_log_simple(dev_fd(dev), WDC_NVME_NAND_STATS_LOG_ID,
				  WDC_NVME_NAND_STATS_SIZE, (void *)output);
	if (ret) {
		fprintf(stderr, "ERROR: WDC: %s : Failed to retrieve NAND stats\n", __func__);
		goto out;
	} else {
		ret = validate_output_format(format, &fmt);
		if (ret < 0) {
			fprintf(stderr, "ERROR: WDC: invalid output format\n");
			goto out;
		}

		version = output[WDC_NVME_NAND_STATS_SIZE - 2];

		/* parse the data */
		switch (fmt) {
		case NORMAL:
			wdc_print_nand_stats_normal(version, output);
			break;
		case JSON:
			wdc_print_nand_stats_json(version, output);
			break;
		default:
			break;
		}
	}

out:
	free(output);
	return ret;
}

static int wdc_vs_nand_stats(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	const char *desc = "Retrieve NAND statistics.";
	struct nvme_dev *dev;
	nvme_root_t r;
	__u64 capabilities = 0;
	uint32_t read_device_id = 0, read_vendor_id = 0;
	int ret;

	struct config {
		char *output_format;
	};

	struct config cfg = {
		.output_format = "normal",
	};

	OPT_ARGS(opts) = {
		OPT_FMT("output-format", 'o', &cfg.output_format, "Output Format: normal|json"),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);
	capabilities = wdc_get_drive_capabilities(r, dev);

	if (!(capabilities & WDC_DRIVE_CAP_NAND_STATS)) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
	} else {
		ret = wdc_get_pci_ids(r, dev, &read_device_id, &read_vendor_id);
		if (ret < 0) {
			fprintf(stderr, "ERROR: WDC: %s: failure to get pci ids, ret = %d\n", __func__, ret);
			return -1;
		}

		switch (read_device_id) {
		case WDC_NVME_SN820CL_DEV_ID:
			ret = wdc_do_vs_nand_stats_sn810_2(dev,
							   cfg.output_format);
			break;
		default:
			ret = wdc_do_vs_nand_stats(dev, cfg.output_format);
			break;
		}
	}

	if (ret)
		fprintf(stderr, "ERROR: WDC: Failure reading NAND statistics, ret = %d\n", ret);

	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_do_vs_pcie_stats(struct nvme_dev *dev,
		struct wdc_vs_pcie_stats *pcieStatsPtr)
{
	int ret;
	struct nvme_passthru_cmd admin_cmd;
	int pcie_stats_size = sizeof(struct wdc_vs_pcie_stats);

	memset(&admin_cmd, 0, sizeof(struct nvme_passthru_cmd));
	admin_cmd.opcode = WDC_NVME_PCIE_STATS_OPCODE;
	admin_cmd.addr = (__u64)(uintptr_t)pcieStatsPtr;
	admin_cmd.data_len = pcie_stats_size;

	ret = nvme_submit_admin_passthru(dev_fd(dev), &admin_cmd, NULL);

	return ret;
}

static int wdc_vs_pcie_stats(int argc, char **argv, struct command *command,
		struct plugin *plugin)
{
	const char *desc = "Retrieve PCIE statistics.";
	nvme_print_flags_t fmt;
	struct nvme_dev *dev;
	nvme_root_t r;
	int ret;
	__u64 capabilities = 0;
	_cleanup_huge_ struct nvme_mem_huge mh = { 0, };
	struct wdc_vs_pcie_stats *pcieStatsPtr = NULL;
	int pcie_stats_size = sizeof(struct wdc_vs_pcie_stats);

	struct config {
		char *output_format;
	};

	struct config cfg = {
		.output_format = "normal",
	};

	OPT_ARGS(opts) = {
		OPT_FMT("output-format", 'o', &cfg.output_format, "Output Format: normal|json"),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);
	ret = validate_output_format(cfg.output_format, &fmt);
	if (ret < 0) {
		fprintf(stderr, "ERROR: WDC: invalid output format\n");
		goto out;
	}

	pcieStatsPtr = nvme_alloc_huge(pcie_stats_size, &mh);
	if (!pcieStatsPtr) {
		fprintf(stderr, "ERROR: WDC: PCIE Stats alloc: %s\n", strerror(errno));
		ret = -1;
		goto out;
	}

	memset((void *)pcieStatsPtr, 0, pcie_stats_size);

	capabilities = wdc_get_drive_capabilities(r, dev);

	if (!(capabilities & WDC_DRIVE_CAP_PCIE_STATS)) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
	} else {
		ret = wdc_do_vs_pcie_stats(dev, pcieStatsPtr);
		if (ret) {
			fprintf(stderr, "ERROR: WDC: Failure reading PCIE statistics, ret = 0x%x\n", ret);
		} else {
			/* parse the data */
			switch (fmt) {
			case NORMAL:
				wdc_print_pcie_stats_normal(pcieStatsPtr);
				break;
			case JSON:
				wdc_print_pcie_stats_json(pcieStatsPtr);
				break;
			default:
				break;
			}
		}
	}
out:
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_vs_drive_info(int argc, char **argv,
		struct command *command, struct plugin *plugin)
{
	const char *desc = "Send a vs-drive-info command.";
	nvme_print_flags_t fmt;
	nvme_root_t r;
	uint64_t capabilities = 0;
	struct nvme_dev *dev;
	int ret;
	__le32 result;
	__u16 size;
	double rev;
	struct nvme_id_ctrl ctrl;
	char vsData[32] = {0};
	char major_rev = 0, minor_rev = 0;
	__u8 *data = NULL;
	__u32 ftl_unit_size = 0, tcg_dev_ownership = 0;
	__u16 boot_spec_major = 0, boot_spec_minor = 0;
	struct json_object *root = NULL;
	char formatter[41] = { 0 };
	char rev_str[16] = { 0 };
	uint32_t read_device_id = -1, read_vendor_id = -1;
	struct __packed wdc_nvme_ext_smart_log * ext_smart_log_ptr = NULL;
	struct ocp_drive_info info;
	__u32 data_len = 0;
	unsigned int num_dwords = 0;

	struct config {
		char *output_format;
	};

	struct config cfg = {
		.output_format = "normal",
	};

	OPT_ARGS(opts) = {
		OPT_FMT("output-format", 'o', &cfg.output_format, "Output Format: normal|json"),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	ret = validate_output_format(cfg.output_format, &fmt);
	if (ret < 0) {
		fprintf(stderr, "ERROR: WDC %s invalid output format\n", __func__);
		dev_close(dev);
		return ret;
	}

	/* get the id ctrl data used to fill in drive info below */
	ret = nvme_identify_ctrl(dev_fd(dev), &ctrl);

	if (ret) {
		fprintf(stderr, "ERROR: WDC %s: Identify Controller failed\n", __func__);
		dev_close(dev);
		return ret;
	}

	r = nvme_scan(NULL);
	wdc_check_device(r, dev);
	capabilities = wdc_get_drive_capabilities(r, dev);
	if ((capabilities & WDC_DRIVE_CAP_INFO) == WDC_DRIVE_CAP_INFO) {
		ret = wdc_get_pci_ids(r, dev, &read_device_id, &read_vendor_id);
		if (ret < 0) {
			fprintf(stderr, "ERROR: WDC: %s: failure to get pci ids, ret = %d\n", __func__, ret);
			goto out;
		}

		switch (read_device_id) {
		case WDC_NVME_SN640_DEV_ID:
		case WDC_NVME_SN640_DEV_ID_1:
		case WDC_NVME_SN640_DEV_ID_2:
		case WDC_NVME_SN640_DEV_ID_3:
		case WDC_NVME_SN650_DEV_ID:
		case WDC_NVME_SN650_DEV_ID_1:
		case WDC_NVME_SN650_DEV_ID_2:
		case WDC_NVME_SN650_DEV_ID_3:
		case WDC_NVME_SN650_DEV_ID_4:
		case WDC_NVME_SN655_DEV_ID:
		case WDC_NVME_SN655_DEV_ID_1:
		case WDC_NVME_SN560_DEV_ID_1:
		case WDC_NVME_SN560_DEV_ID_2:
		case WDC_NVME_SN560_DEV_ID_3:
		case WDC_NVME_SN550_DEV_ID:
		case WDC_NVME_ZN350_DEV_ID:
		case WDC_NVME_ZN350_DEV_ID_1:
		case WDC_NVME_SNTMP_DEV_ID:
			ret = wdc_do_drive_info(dev, &result);

			if (!ret) {
				size = (__u16)((cpu_to_le32(result) & 0xffff0000) >> 16);
				rev = (double)(cpu_to_le32(result) & 0x0000ffff);

				if (fmt == NORMAL) {
					printf("Drive HW Revision: %4.1f\n", (.1 * rev));
					printf("FTL Unit Size:     0x%x KB\n", size);
					printf("Customer SN:        %-.*s\n", (int)sizeof(ctrl.sn), &ctrl.sn[0]);
				} else if (fmt == JSON) {
					root = json_create_object();
					sprintf(rev_str, "%4.1f", (.1 * rev));
					json_object_add_value_string(root, "Drive HW Revision", rev_str);

					json_object_add_value_int(root, "FTL Unit Size", le16_to_cpu(size));
					wdc_StrFormat(formatter, sizeof(formatter), &ctrl.sn[0], sizeof(ctrl.sn));
					json_object_add_value_string(root, "Customer SN", formatter);

					json_print_object(root, NULL);
					printf("\n");

					json_free_object(root);
				}
			}
			break;
		case WDC_NVME_SN730_DEV_ID:
			memcpy(vsData, &ctrl.vs[0], 32);

			major_rev = ctrl.sn[12];
			minor_rev = ctrl.sn[13];

			if (fmt == NORMAL) {
				printf("Drive HW Revision:   %c.%c\n", major_rev, minor_rev);
				printf("Customer SN:         %-.*s\n", 14, &ctrl.sn[0]);
			} else if (fmt == JSON) {
				root = json_create_object();
				sprintf(rev_str, "%c.%c", major_rev, minor_rev);
				json_object_add_value_string(root, "Drive HW Revison", rev_str);
				wdc_StrFormat(formatter, sizeof(formatter), &ctrl.sn[0], 14);
				json_object_add_value_string(root, "Customer SN", formatter);

				json_print_object(root, NULL);
				printf("\n");

				json_free_object(root);
			}
			break;
		case WDC_NVME_SN820CL_DEV_ID:
			/* Get the Drive HW Rev from the C6 Log page */
			ret = nvme_get_hw_rev_log(dev_fd(dev), &data, 0,
						  NVME_NSID_ALL);
			if (!ret) {
				struct wdc_nvme_hw_rev_log *log_data = (struct wdc_nvme_hw_rev_log *)data;

				major_rev = log_data->hw_rev_gdr;

				free(data);
				data = NULL;
			} else {
				fprintf(stderr, "ERROR: WDC: %s: failure to get hw revision log\n", __func__);
				ret = -1;
				goto out;
			}

			/* Get the Smart C0 log page */
			if (!(capabilities & WDC_DRIVE_CAP_CLOUD_LOG_PAGE)) {
				fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
				ret = -1;
				goto out;
			}

			ret = nvme_get_ext_smart_cloud_log(dev_fd(dev), &data,
							   0, NVME_NSID_ALL);

			if (!ret) {
				ext_smart_log_ptr = (struct __packed wdc_nvme_ext_smart_log *)data;

				/* Set the FTL Unit size */
				ftl_unit_size = le32_to_cpu(ext_smart_log_ptr->ext_smart_ftlus);

				/* Set the Boot Spec Version */
				boot_spec_major = le16_to_cpu(ext_smart_log_ptr->ext_smart_maj);
				boot_spec_minor = le16_to_cpu(ext_smart_log_ptr->ext_smart_min);

				/* Set the Drive Ownership Status */
				tcg_dev_ownership = le32_to_cpu(ext_smart_log_ptr->ext_smart_tcgos);
				free(data);
			} else {
				fprintf(stderr, "ERROR: WDC: %s: failure to get extended smart cloud log\n", __func__);
				ret = -1;
				goto out;
			}

			if (fmt == NORMAL) {
				printf("Drive HW Revision:                    %2d\n", major_rev);
				printf("FTL Unit Size:                        %d\n", ftl_unit_size);
				printf("HyperScale Boot Version Spec:        %d.%d\n", boot_spec_major, boot_spec_minor);
				printf("TCG Device Ownership Status:          %2d\n", tcg_dev_ownership);

			} else if (fmt == JSON) {
				root = json_create_object();

				json_object_add_value_int(root, "Drive HW Revison", major_rev);
				json_object_add_value_int(root, "FTL Unit Size", ftl_unit_size);
				sprintf(rev_str, "%d.%d", boot_spec_major, boot_spec_minor);
				json_object_add_value_string(root, "HyperScale Boot Version Spec", rev_str);
				json_object_add_value_int(root, "TCG Device Ownership Status", tcg_dev_ownership);

				json_print_object(root, NULL);
				printf("\n");

				json_free_object(root);
			}

			break;
		case WDC_NVME_SN861_DEV_ID:
		case WDC_NVME_SN861_DEV_ID_1:
		case WDC_NVME_SN861_DEV_ID_2:
			data_len = sizeof(info);
			num_dwords = data_len / 4;
			if (data_len % 4 != 0)
				num_dwords += 1;

			ret = nvme_admin_passthru(dev_fd(dev),
						  WDC_NVME_ADMIN_VUC_OPCODE_D2,
						  0, 0, 0, 0, 0, num_dwords, 0,
						  WDC_VUC_SUBOPCODE_VS_DRIVE_INFO_D2,
						  0, 0, 0, data_len, &info, 0,
						  NULL, 0, NULL);

			if (!ret) {
				__u16 hw_rev_major, hw_rev_minor;

				hw_rev_major = le32_to_cpu(info.hw_revision) / 10;
				hw_rev_minor = le32_to_cpu(info.hw_revision) % 10;
				if (fmt == NORMAL) {
					printf("HW Revision   : %" PRIu32 ".%" PRIu32 "\n",
					       hw_rev_major, hw_rev_minor);
					printf("FTL Unit Size : %" PRIu32 "\n",
					       le32_to_cpu(info.ftl_unit_size));
				} else if (fmt == JSON) {
					char buf[20];

					root = json_create_object();

					memset((void *)buf, 0, 20);
					sprintf(buf, "%" PRIu32 ".%" PRIu32,
						hw_rev_major, hw_rev_minor);

					json_object_add_value_string(root,
						"hw_revision", buf);
					json_object_add_value_uint(root,
						"ftl_unit_size",
						le32_to_cpu(info.ftl_unit_size));

					json_print_object(root, NULL);
					printf("\n");
					json_free_object(root);
				}
			}
			break;
		default:
			fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
			ret = -1;
			break;
		}
	} else {
		fprintf(stderr, "ERROR: WDC: capability not supported by this device\n");
		ret = -1;
	}

out:
	nvme_show_status(ret);
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_vs_temperature_stats(int argc, char **argv,
		struct command *command, struct plugin *plugin)
{
	const char *desc = "Send a vs-temperature-stats command.";
	struct nvme_smart_log smart_log;
	struct nvme_id_ctrl id_ctrl;
	nvme_print_flags_t fmt;
	struct nvme_dev *dev;
	nvme_root_t r;
	uint64_t capabilities = 0;
	__u32 hctm_tmt;
	int temperature, temp_tmt1, temp_tmt2;
	int ret;

	struct config {
		char *output_format;
	};

	struct config cfg = {
		.output_format = "normal",
	};

	OPT_ARGS(opts) = {
		OPT_FMT("output-format", 'o', &cfg.output_format, "Output Format: normal|json"),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	r = nvme_scan(NULL);
	ret = validate_output_format(cfg.output_format, &fmt);
	if (ret < 0) {
		fprintf(stderr, "ERROR: WDC: invalid output format\n");
		goto out;
	}

	/* check if command is supported */
	wdc_check_device(r, dev);
	capabilities = wdc_get_drive_capabilities(r, dev);
	if ((capabilities & WDC_DRIVE_CAP_TEMP_STATS) != WDC_DRIVE_CAP_TEMP_STATS) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		ret = -1;
		goto out;
	}

	/* get the temperature stats or report errors */
	ret = nvme_identify_ctrl(dev_fd(dev), &id_ctrl);
	if (ret)
		goto out;
	ret = nvme_get_log_smart(dev_fd(dev), NVME_NSID_ALL, false,
				 &smart_log);
	if (ret)
		goto out;

	/* convert from kelvins to degrees Celsius */
	temperature = ((smart_log.temperature[1] << 8) | smart_log.temperature[0]) - 273;

	/* retrieve HCTM Thermal Management Temperatures */
	nvme_get_features_simple(dev_fd(dev), 0x10, 0, &hctm_tmt);
	temp_tmt1 = ((hctm_tmt >> 16) & 0xffff) ? ((hctm_tmt >> 16) & 0xffff) - 273 : 0;
	temp_tmt2 = (hctm_tmt & 0xffff) ? (hctm_tmt & 0xffff) - 273 : 0;

	if (fmt == NORMAL) {
		/* print the temperature stats */
		printf("Temperature Stats for NVME device:%s namespace-id:%x\n",
					dev->name, WDC_DE_GLOBAL_NSID);

		printf("Current Composite Temperature           : %d °C\n", temperature);
		printf("WCTEMP                                  : %"PRIu16" °C\n", id_ctrl.wctemp - 273);
		printf("CCTEMP                                  : %"PRIu16" °C\n", id_ctrl.cctemp - 273);
		printf("DITT support                            : 0\n");
		printf("HCTM support                            : %"PRIu16"\n", id_ctrl.hctma);

		printf("HCTM Light (TMT1)                       : %"PRIu16" °C\n", temp_tmt1);
		printf("TMT1 Transition Counter                 : %"PRIu32"\n", smart_log.thm_temp1_trans_count);
		printf("TMT1 Total Time                         : %"PRIu32"\n", smart_log.thm_temp1_total_time);

		printf("HCTM Heavy (TMT2)                       : %"PRIu16" °C\n", temp_tmt2);
		printf("TMT2 Transition Counter                 : %"PRIu32"\n", smart_log.thm_temp2_trans_count);
		printf("TMT2 Total Time                         : %"PRIu32"\n", smart_log.thm_temp2_total_time);
		printf("Thermal Shutdown Threshold              : 95 °C\n");
	} else if (fmt == JSON) {
		struct json_object *root;

		root = json_create_object();

		json_object_add_value_int(root, "Current Composite Temperature", le32_to_cpu(temperature));
		json_object_add_value_int(root, "WCTEMP", le16_to_cpu(id_ctrl.wctemp - 273));
		json_object_add_value_int(root, "CCTEMP", le16_to_cpu(id_ctrl.cctemp - 273));
		json_object_add_value_int(root, "DITT support", 0);
		json_object_add_value_int(root, "HCTM support", le16_to_cpu(id_ctrl.hctma));

		json_object_add_value_int(root, "HCTM Light (TMT1)", le16_to_cpu(temp_tmt1));
		json_object_add_value_int(root, "TMT1 Transition Counter", le32_to_cpu(smart_log.thm_temp1_trans_count));
		json_object_add_value_int(root, "TMT1 Total Time", le32_to_cpu(smart_log.thm_temp1_total_time));

		json_object_add_value_int(root, "HCTM Light (TMT2)", le16_to_cpu(temp_tmt2));
		json_object_add_value_int(root, "TMT2 Transition Counter", le32_to_cpu(smart_log.thm_temp2_trans_count));
		json_object_add_value_int(root, "TMT2 Total Time", le32_to_cpu(smart_log.thm_temp2_total_time));
		json_object_add_value_int(root, "Thermal Shutdown Threshold", 95);

		json_print_object(root, NULL);
		printf("\n");

		json_free_object(root);
	} else {
		printf("%s: Invalid format\n", __func__);
	}

out:
	nvme_show_status(ret);
	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_capabilities(int argc, char **argv, struct command *command, struct plugin *plugin)
{
	const char *desc = "Send a capabilities command.";
	uint64_t capabilities = 0;
	struct nvme_dev *dev;
	nvme_root_t r;
	int ret;

	OPT_ARGS(opts) = {
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	/* get capabilities */
	r = nvme_scan(NULL);
	wdc_check_device(r, dev);
	capabilities = wdc_get_drive_capabilities(r, dev);

	/* print command and supported status */
	printf("WDC Plugin Capabilities for NVME device:%s\n", dev->name);
	printf("cap-diag                      : %s\n",
	       capabilities & WDC_DRIVE_CAP_CAP_DIAG ? "Supported" : "Not Supported");
	printf("drive-log                     : %s\n",
	       capabilities & WDC_DRIVE_CAP_DRIVE_LOG ? "Supported" : "Not Supported");
	printf("get-crash-dump                : %s\n",
	       capabilities & WDC_DRIVE_CAP_CRASH_DUMP ? "Supported" : "Not Supported");
	printf("get-pfail-dump                : %s\n",
	       capabilities & WDC_DRIVE_CAP_PFAIL_DUMP ? "Supported" : "Not Supported");
	printf("id-ctrl                       : Supported\n");
	printf("purge                         : %s\n",
	       capabilities & WDC_DRIVE_CAP_PURGE ? "Supported" : "Not Supported");
	printf("purge-monitor                 : %s\n",
	       capabilities & WDC_DRIVE_CAP_PURGE ? "Supported" : "Not Supported");
	printf("vs-internal-log               : %s\n",
	       capabilities & WDC_DRIVE_CAP_INTERNAL_LOG_MASK ? "Supported" : "Not Supported");
	printf("vs-nand-stats                 : %s\n",
	       capabilities & WDC_DRIVE_CAP_NAND_STATS ? "Supported" : "Not Supported");
	printf("vs-smart-add-log              : %s\n",
	       capabilities & WDC_DRIVE_CAP_SMART_LOG_MASK ? "Supported" : "Not Supported");
	printf("--C0 Log Page                 : %s\n",
	       capabilities & WDC_DRIVE_CAP_C0_LOG_PAGE ? "Supported" : "Not Supported");
	printf("--C1 Log Page                 : %s\n",
	       capabilities & WDC_DRIVE_CAP_C1_LOG_PAGE ? "Supported" : "Not Supported");
	printf("--C3 Log Page                 : %s\n",
	       capabilities & WDC_DRIVE_CAP_C3_LOG_PAGE ? "Supported" : "Not Supported");
	printf("--CA Log Page                 : %s\n",
	       capabilities & WDC_DRIVE_CAP_CA_LOG_PAGE ? "Supported" : "Not Supported");
	printf("--D0 Log Page                 : %s\n",
	       capabilities & WDC_DRIVE_CAP_D0_LOG_PAGE ? "Supported" : "Not Supported");
	printf("clear-pcie-correctable-errors : %s\n",
	       capabilities & WDC_DRIVE_CAP_CLEAR_PCIE_MASK ? "Supported" : "Not Supported");
	printf("drive-essentials              : %s\n",
	       capabilities & WDC_DRIVE_CAP_DRIVE_ESSENTIALS ? "Supported" : "Not Supported");
	printf("get-drive-status              : %s\n",
	       capabilities & WDC_DRIVE_CAP_DRIVE_STATUS ? "Supported" : "Not Supported");
	printf("clear-assert-dump             : %s\n",
	       capabilities & WDC_DRIVE_CAP_CLEAR_ASSERT ? "Supported" : "Not Supported");
	printf("drive-resize                  : %s\n",
	       capabilities & WDC_DRIVE_CAP_RESIZE ? "Supported" : "Not Supported");
	printf("vs-fw-activate-history        : %s\n",
	       capabilities & WDC_DRIVE_CAP_FW_ACTIVATE_HISTORY_MASK ? "Supported" : "Not Supported");
	printf("clear-fw-activate-history     : %s\n",
	       capabilities & WDC_DRIVE_CAP_CLEAR_FW_ACT_HISTORY_MASK ? "Supported" : "Not Supported");
	printf("vs-telemetry-controller-option: %s\n",
	       capabilities & WDC_DRVIE_CAP_DISABLE_CTLR_TELE_LOG ? "Supported" : "Not Supported");
	printf("vs-error-reason-identifier    : %s\n",
	       capabilities & WDC_DRIVE_CAP_REASON_ID ? "Supported" : "Not Supported");
	printf("log-page-directory            : %s\n",
	       capabilities & WDC_DRIVE_CAP_LOG_PAGE_DIR ? "Supported" : "Not Supported");
	printf("namespace-resize              : %s\n",
	       capabilities & WDC_DRIVE_CAP_NS_RESIZE ? "Supported" : "Not Supported");
	printf("vs-drive-info                 : %s\n",
	       capabilities & WDC_DRIVE_CAP_INFO ? "Supported" : "Not Supported");
	printf("vs-temperature-stats          : %s\n",
	       capabilities & WDC_DRIVE_CAP_TEMP_STATS ? "Supported" : "Not Supported");
	printf("cloud-SSD-plugin-version      : %s\n",
	       capabilities & WDC_DRIVE_CAP_CLOUD_SSD_VERSION ? "Supported" : "Not Supported");
	printf("vs-pcie-stats                 : %s\n",
	       capabilities & WDC_DRIVE_CAP_PCIE_STATS ? "Supported" : "Not Supported");
	printf("get-error-recovery-log        : %s\n",
	       capabilities & WDC_DRIVE_CAP_OCP_C1_LOG_PAGE ? "Supported" : "Not Supported");
	printf("get-dev-capabilities-log      : %s\n",
	       capabilities & WDC_DRIVE_CAP_OCP_C4_LOG_PAGE ? "Supported" : "Not Supported");
	printf("get-unsupported-reqs-log      : %s\n",
	       capabilities & WDC_DRIVE_CAP_OCP_C5_LOG_PAGE ? "Supported" : "Not Supported");
	printf("get-latency-monitor-log       : %s\n",
	       capabilities & WDC_DRIVE_CAP_C3_LOG_PAGE ? "Supported" : "Not Supported");
	printf("cloud-boot-SSD-version        : %s\n",
	       capabilities & WDC_DRIVE_CAP_CLOUD_BOOT_SSD_VERSION ? "Supported" : "Not Supported");
	printf("vs-cloud-log                  : %s\n",
	       capabilities & WDC_DRIVE_CAP_CLOUD_LOG_PAGE ? "Supported" : "Not Supported");
	printf("vs-hw-rev-log                 : %s\n",
	       capabilities & WDC_DRIVE_CAP_HW_REV_LOG_PAGE ? "Supported" : "Not Supported");
	printf("vs-device_waf                 : %s\n",
	       capabilities & WDC_DRIVE_CAP_DEVICE_WAF ? "Supported" : "Not Supported");
	printf("set-latency-monitor-feature   : %s\n",
	       capabilities & WDC_DRIVE_CAP_SET_LATENCY_MONITOR ? "Supported" : "Not Supported");
	printf("capabilities                  : Supported\n");
	nvme_free_tree(r);
	dev_close(dev);
	return 0;
}

static int wdc_cloud_ssd_plugin_version(int argc, char **argv, struct command *command,
					struct plugin *plugin)
{
	const char *desc = "Get Cloud SSD Plugin Version command.";
	uint64_t capabilities = 0;
	struct nvme_dev *dev;
	nvme_root_t r;
	int ret;

	OPT_ARGS(opts) = {
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	/* get capabilities */
	r = nvme_scan(NULL);
	wdc_check_device(r, dev);
	capabilities = wdc_get_drive_capabilities(r, dev);

	if ((capabilities & WDC_DRIVE_CAP_CLOUD_SSD_VERSION) == WDC_DRIVE_CAP_CLOUD_SSD_VERSION) {
		/* print command and supported status */
		printf("WDC Cloud SSD Plugin Version: 1.0\n");
	} else {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
	}

	nvme_free_tree(r);
	dev_close(dev);
	return 0;
}

static int wdc_cloud_boot_SSD_version(int argc, char **argv, struct command *command,
				      struct plugin *plugin)
{
	const char *desc = "Get Cloud Boot SSD Version command.";
	const char *namespace_id = "desired namespace id";
	nvme_root_t r;
	uint64_t capabilities = 0;
	struct nvme_dev *dev;
	int ret;
	int major = 0, minor = 0;
	__u8 *data = NULL;
	struct __packed wdc_nvme_ext_smart_log * ext_smart_log_ptr = NULL;

	struct config {
		__u32 namespace_id;
	};

	struct config cfg = {
		.namespace_id = NVME_NSID_ALL,
	};

	OPT_ARGS(opts) = {
		OPT_UINT("namespace-id",      'n', &cfg.namespace_id,     namespace_id),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);
	if (ret)
		return ret;

	/* get capabilities */
	r = nvme_scan(NULL);
	wdc_check_device(r, dev);
	capabilities = wdc_get_drive_capabilities(r, dev);

	if ((capabilities & WDC_DRIVE_CAP_CLOUD_BOOT_SSD_VERSION) == WDC_DRIVE_CAP_CLOUD_BOOT_SSD_VERSION) {
		/* Get the 0xC0 Smart Cloud Attribute V1 log data */
		ret = nvme_get_ext_smart_cloud_log(dev_fd(dev), &data, 0,
						   cfg.namespace_id);

		ext_smart_log_ptr = (struct __packed wdc_nvme_ext_smart_log *)data;
		if (!ret) {
			major = le16_to_cpu(ext_smart_log_ptr->ext_smart_maj);
			minor = le16_to_cpu(ext_smart_log_ptr->ext_smart_min);

			/* print the version returned from the log page */
			printf("HyperScale Boot Version: %d.%d\n", major, minor);
		} else {
			fprintf(stderr, "ERROR: WDC: Unable to read Extended Smart/C0 Log Page data\n");
			ret = -1;
		}

		if (data)
			free(data);
	} else {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
	}

	nvme_free_tree(r);
	dev_close(dev);
	return ret;
}

static int wdc_enc_get_log(int argc, char **argv, struct command *command, struct plugin *plugin)
{
	char *desc = "Get Enclosure Log.";
	char *file = "Output file pathname.";
	char *size = "Data retrieval transfer size.";
	char *log = "Enclosure Log Page ID.";
	struct nvme_dev *dev;
	FILE *output_fd;
	int xfer_size = 0;
	int len;
	int err = 0;

	struct config {
		char  *file;
		__u32 xfer_size;
		__u32 log_id;
	};

	struct config cfg = {
		.file = NULL,
		.xfer_size = 0,
		.log_id = 0xffffffff,
	};

	OPT_ARGS(opts) = {
		OPT_FILE("output-file",   'o', &cfg.file,  file),
		OPT_UINT("transfer-size", 's', &cfg.xfer_size, size),
		OPT_UINT("log-id",        'l', &cfg.log_id, log),
		OPT_END()
	};

	err = parse_and_open(&dev, argc, argv, desc, opts);
	if (err)
		goto ret;

	if (!wdc_enc_check_model(dev)) {
		err = -EINVAL;
		goto closed_fd;
	}

	if (cfg.log_id > 0xff) {
		fprintf(stderr,
			"Invalid log identifier: %d. Valid 0xd1, 0xd2, 0xd3, 0xd4, 0xe2, 0xe4\n",
			cfg.log_id);
		goto closed_fd;
	}

	if (cfg.xfer_size) {
		xfer_size = cfg.xfer_size;
			if (!wdc_check_power_of_2(cfg.xfer_size)) {
				fprintf(stderr, "%s: ERROR: xfer-size (%d) must be a power of 2\n",
					__func__, cfg.xfer_size);
				err = -EINVAL;
				goto closed_fd;
			}
	}

	/* Log IDs are only for specific enclosures */
	if (cfg.log_id) {
		xfer_size = (xfer_size) ? xfer_size : WDC_NVME_ENC_LOG_SIZE_CHUNK;
		len = !cfg.file ? 0 : strlen(cfg.file);
		if (len > 0) {
			output_fd = fopen(cfg.file, "wb");
			if (!output_fd) {
				fprintf(stderr, "%s: ERROR: opening:%s: %s\n", __func__, cfg.file,
					strerror(errno));
				err = -EINVAL;
				goto closed_fd;
			}
		} else {
			output_fd = stdout;
		}
		if (cfg.log_id == WDC_ENC_NIC_CRASH_DUMP_ID_SLOT_1 ||
		    cfg.log_id == WDC_ENC_NIC_CRASH_DUMP_ID_SLOT_2 ||
		    cfg.log_id == WDC_ENC_NIC_CRASH_DUMP_ID_SLOT_3 ||
		    cfg.log_id == WDC_ENC_NIC_CRASH_DUMP_ID_SLOT_4) {
			fprintf(stderr, "args - sz:%x logid:%x of:%s\n", xfer_size, cfg.log_id,
				cfg.file);
			err = wdc_enc_get_nic_log(dev, cfg.log_id, xfer_size,
						  WDC_NVME_ENC_NIC_LOG_SIZE, output_fd);
		} else {
			fprintf(stderr, "args - sz:%x logid:%x of:%s\n", xfer_size, cfg.log_id,
				cfg.file);
			err = wdc_enc_submit_move_data(dev, NULL, 0, xfer_size, output_fd,
						       cfg.log_id, 0, 0);
		}

		if (err == WDC_RESULT_NOT_AVAILABLE) {
			fprintf(stderr, "No Log/Crashdump available\n");
			err = 0;
		} else if (err) {
			fprintf(stderr, "ERROR: 0x%x Failed to collect log-id:%x\n", err,
				cfg.log_id);
		}
	}
closed_fd:
	dev_close(dev);
ret:
	return err;
}

static int wdc_enc_submit_move_data(struct nvme_dev *dev, char *cmd, int len,
				    int xfer_size, FILE *out, int log_id,
				    int cdw14, int cdw15)
{
	struct timespec time;
	uint32_t response_size, more;
	int err;
	int handle;
	uint32_t offset = 0;
	char *buf;

	buf = (char *)malloc(sizeof(__u8) * xfer_size);
	if (!buf) {
		fprintf(stderr, "%s: ERROR: malloc: %s\n", __func__, strerror(errno));
		return -1;
	}
	/* send something no matter what */
	cmd = (len) ? cmd : buf;
	len = (len) ? len : 0x20;

	struct nvme_passthru_cmd nvme_cmd = {
		.opcode     = WDC_NVME_ADMIN_ENC_MGMT_SND,
		.nsid       = 0,
		.addr       = (__u64)(uintptr_t) cmd,
		.data_len   = ((len + sizeof(uint32_t) - 1) / sizeof(uint32_t)) * sizeof(uint32_t),
		.cdw10      = len,
		.cdw12      = log_id,
		.cdw13      = 0,
		.cdw14      = cdw14,
		.cdw15      = cdw15,
	};

	clock_gettime(CLOCK_REALTIME, &time);
	srand(time.tv_nsec);
	handle = random(); /* Handle to associate send request with receive request */
	nvme_cmd.cdw11 = handle;

#ifdef WDC_NVME_CLI_DEBUG
	unsigned char *d = (unsigned char *)nvme_cmd.addr;
	unsigned char *md = (unsigned char *)nvme_cmd.metadata;

	printf("NVME_ADMIN_COMMAND:\n");
	printf("opcode: 0x%02x, flags: 0x%02x, rsvd: 0x%04x, nsid: 0x%08x, cdw2: 0x%08x, ",
	       nvme_cmd.opcode, nvme_cmd.flags, nvme_cmd.rsvd1, nvme_cmd.nsid, nvme_cmd.cdw2);
	printf("cdw3: 0x%08x, metadata_len: 0x%08x, data_len: 0x%08x, cdw10: 0x%08x, "
	       nvme_cmd.cdw3, nvme_cmd.metadata_len, nvme_cmd.data_len, nvme_cmd.cdw10);
	printf("cdw11: 0x%08x, cdw12: 0x%08x, cdw13: 0x%08x, cdw14: 0x%08x, cdw15: 0x%08x, "
	       nvme_cmd.cdw11, nvme_cmd.cdw12, nvme_cmd.cdw13, nvme_cmd.cdw14, nvme_cmd.cdw15);
	printf("timeout_ms: 0x%08x, result: 0x%08x, metadata: %s, data: %s\n",
	       nvme_cmd.timeout_ms, nvme_cmd.result, md, d);
#endif
	nvme_cmd.result = 0;
	err = nvme_submit_admin_passthru(dev_fd(dev), &nvme_cmd, NULL);
	if (nvme_status_equals(err, NVME_STATUS_TYPE_NVME, NVME_SC_INTERNAL)) {
		fprintf(stderr, "%s: WARNING : WDC: No log ID:x%x available\n", __func__, log_id);
	} else if (err) {
		fprintf(stderr, "%s: ERROR: WDC: NVMe Snd Mgmt\n", __func__);
		nvme_show_status(err);
	} else {
		if (nvme_cmd.result == WDC_RESULT_NOT_AVAILABLE) {
			free(buf);
			return WDC_RESULT_NOT_AVAILABLE;
		}

		do {
			/* Sent request, now go retrieve response */
			nvme_cmd.flags = 0;
			nvme_cmd.opcode = WDC_NVME_ADMIN_ENC_MGMT_RCV;
			nvme_cmd.addr = (__u64)(uintptr_t) buf;
			nvme_cmd.data_len = xfer_size;
			nvme_cmd.cdw10 = xfer_size / sizeof(uint32_t);
			nvme_cmd.cdw11 = handle;
			nvme_cmd.cdw12 = log_id;
			nvme_cmd.cdw13 = offset / sizeof(uint32_t);
			nvme_cmd.cdw14 = cdw14;
			nvme_cmd.cdw15 = cdw15;
			nvme_cmd.result = 0;  /* returned result !=0 indicates more data available */
			err = nvme_submit_admin_passthru(dev_fd(dev),
							 &nvme_cmd, NULL);
			if (err) {
				more = 0;
				fprintf(stderr, "%s: ERROR: WDC: NVMe Rcv Mgmt ", __func__);
				nvme_show_status(err);
			} else {
				more = nvme_cmd.result & WDC_RESULT_MORE_DATA;
				response_size = nvme_cmd.result & ~WDC_RESULT_MORE_DATA;
				fwrite(buf, response_size, 1, out);
				offset += response_size;
				if (more && (response_size & (sizeof(uint32_t)-1))) {
					fprintf(stderr, "%s: ERROR: WDC: NVMe Rcv Mgmt response size:x%x not LW aligned\n",
						__func__, response_size);
				}
			}
		} while (more);
	}

	free(buf);
	return err;
}

static int wdc_enc_get_nic_log(struct nvme_dev *dev, __u8 log_id, __u32 xfer_size, __u32 data_len, FILE *out)
{
	__u8 *dump_data;
	__u32 curr_data_offset, curr_data_len;
	int i, ret = -1;
	struct nvme_passthru_cmd admin_cmd;
	__u32 dump_length = data_len;
	__u32 numd;
	__u16 numdu, numdl;

	dump_data = (__u8 *)malloc(sizeof(__u8) * dump_length);
	if (!dump_data) {
		fprintf(stderr, "%s: ERROR: malloc: %s\n", __func__, strerror(errno));
		return -1;
	}
	memset(dump_data, 0, sizeof(__u8) * dump_length);
	memset(&admin_cmd, 0, sizeof(struct nvme_passthru_cmd));
	curr_data_offset = 0;
	curr_data_len = xfer_size;
	i = 0;

	numd = (curr_data_len >> 2) - 1;
	numdu = numd >> 16;
	numdl = numd & 0xffff;
	admin_cmd.opcode = nvme_admin_get_log_page;
	admin_cmd.nsid = curr_data_offset;
	admin_cmd.addr = (__u64)(uintptr_t) dump_data;
	admin_cmd.data_len = curr_data_len;
	admin_cmd.cdw10 = log_id | (numdl << 16);
	admin_cmd.cdw11 = numdu;

	while (curr_data_offset < data_len) {
#ifdef WDC_NVME_CLI_DEBUG
		fprintf(stderr,
			"nsid 0x%08x addr 0x%08llx, data_len 0x%08x, cdw10 0x%08x, cdw11 0x%08x, cdw12 0x%08x, cdw13 0x%08x, cdw14 0x%08x\n",
			admin_cmd.nsid, admin_cmd.addr, admin_cmd.data_len, admin_cmd.cdw10,
			admin_cmd.cdw11, admin_cmd.cdw12, admin_cmd.cdw13, admin_cmd.cdw14);
#endif
		ret = nvme_submit_admin_passthru(dev_fd(dev), &admin_cmd, NULL);
		if (ret) {
			nvme_show_status(ret);
			fprintf(stderr, "%s: ERROR: WDC: Get chunk %d, size = 0x%x, offset = 0x%x, addr = 0x%lx\n",
				 __func__, i, admin_cmd.data_len, curr_data_offset, (unsigned long)admin_cmd.addr);
			break;
		}

		if ((curr_data_offset + xfer_size) <= data_len)
			curr_data_len = xfer_size;
		else
			curr_data_len = data_len - curr_data_offset;   /* last transfer */

		curr_data_offset += curr_data_len;
		numd = (curr_data_len >> 2) - 1;
		numdu = numd >> 16;
		numdl = numd & 0xffff;
		admin_cmd.addr = (__u64)(uintptr_t)dump_data + (__u64)curr_data_offset;
		admin_cmd.nsid = curr_data_offset;
		admin_cmd.data_len = curr_data_len;
		admin_cmd.cdw10 = log_id | (numdl << 16);
		admin_cmd.cdw11 = numdu;
		i++;
	}
	fwrite(dump_data, data_len, 1, out);
	free(dump_data);
	return ret;
}

//------------------------------------------------------------------------------------
// Description: set latency monitor feature
//
int wdc_set_latency_monitor_feature(int argc, char **argv, struct command *cmd,
				    struct plugin *plugin)
{
	const char *desc = "Set Latency Monitor feature.";

	uint64_t capabilities = 0;
	struct nvme_dev *dev;
	nvme_root_t r;
	int ret;
	__u32 result;
	struct feature_latency_monitor buf = {0,};

	const char *active_bucket_timer_threshold =
		"This is the value that loads the Active Bucket Timer Threshold.";
	const char *active_threshold_a =
		"This is the value that loads into the Active Threshold A.";
	const char *active_threshold_b =
		"This is the value that loads into the Active Threshold B.";
	const char *active_threshold_c =
		"This is the value that loads into the Active Threshold C.";
	const char *active_threshold_d =
		"This is the value that loads into the Active Threshold D.";
	const char *active_latency_config =
		"This is the value that loads into the Active Latency Configuration.";
	const char *active_latency_minimum_window =
		"This is the value that loads into the Active Latency Minimum Window.";
	const char *debug_log_trigger_enable =
		"This is the value that loads into the Debug Log Trigger Enable.";
	const char *discard_debug_log = "Discard Debug Log.";
	const char *latency_monitor_feature_enable = "Latency Monitor Feature Enable.";

	struct config {
		__u16 active_bucket_timer_threshold;
		__u8 active_threshold_a;
		__u8 active_threshold_b;
		__u8 active_threshold_c;
		__u8 active_threshold_d;
		__u16 active_latency_config;
		__u8 active_latency_minimum_window;
		__u16 debug_log_trigger_enable;
		__u8 discard_debug_log;
		__u8 latency_monitor_feature_enable;
	};

	struct config cfg = {
		.active_bucket_timer_threshold = 0x7E0,
		.active_threshold_a = 0x5,
		.active_threshold_b = 0x13,
		.active_threshold_c = 0x1E,
		.active_threshold_d = 0x2E,
		.active_latency_config = 0xFFF,
		.active_latency_minimum_window = 0xA,
		.debug_log_trigger_enable = 0,
		.discard_debug_log = 0,
		.latency_monitor_feature_enable = 0x7,
	};

	OPT_ARGS(opts) = {
		OPT_UINT("active_bucket_timer_threshold", 't',
			&cfg.active_bucket_timer_threshold,
			active_bucket_timer_threshold),
		OPT_UINT("active_threshold_a", 'a', &cfg.active_threshold_a,
			active_threshold_a),
		OPT_UINT("active_threshold_b", 'b', &cfg.active_threshold_b,
			active_threshold_b),
		OPT_UINT("active_threshold_c", 'c', &cfg.active_threshold_c,
			active_threshold_c),
		OPT_UINT("active_threshold_d", 'd', &cfg.active_threshold_d,
			active_threshold_d),
		OPT_UINT("active_latency_config", 'f',
			&cfg.active_latency_config, active_latency_config),
		OPT_UINT("active_latency_minimum_window", 'w',
			&cfg.active_latency_minimum_window,
			active_latency_minimum_window),
		OPT_UINT("debug_log_trigger_enable", 'r',
			&cfg.debug_log_trigger_enable, debug_log_trigger_enable),
		OPT_UINT("discard_debug_log", 'l', &cfg.discard_debug_log,
			discard_debug_log),
		OPT_UINT("latency_monitor_feature_enable", 'e',
			&cfg.latency_monitor_feature_enable,
			latency_monitor_feature_enable),
		OPT_END()
	};

	ret = parse_and_open(&dev, argc, argv, desc, opts);

	if (ret < 0)
		return ret;

	/* get capabilities */
	r = nvme_scan(NULL);
	wdc_check_device(r, dev);
	capabilities = wdc_get_drive_capabilities(r, dev);

	if (!(capabilities & WDC_DRIVE_CAP_SET_LATENCY_MONITOR)) {
		fprintf(stderr, "ERROR: WDC: unsupported device for this command\n");
		return -1;
	}

	memset(&buf, 0, sizeof(struct feature_latency_monitor));

	buf.active_bucket_timer_threshold = cfg.active_bucket_timer_threshold;
	buf.active_threshold_a = cfg.active_threshold_a;
	buf.active_threshold_b = cfg.active_threshold_b;
	buf.active_threshold_c = cfg.active_threshold_c;
	buf.active_threshold_d = cfg.active_threshold_d;
	buf.active_latency_config = cfg.active_latency_config;
	buf.active_latency_minimum_window = cfg.active_latency_minimum_window;
	buf.debug_log_trigger_enable = cfg.debug_log_trigger_enable;
	buf.discard_debug_log = cfg.discard_debug_log;
	buf.latency_monitor_feature_enable = cfg.latency_monitor_feature_enable;

	struct nvme_set_features_args args = {
		.args_size = sizeof(args),
		.fd = dev_fd(dev),
		.fid = NVME_FEAT_OCP_LATENCY_MONITOR,
		.nsid = 0,
		.cdw12 = 0,
		.save = 1,
		.data_len = sizeof(struct feature_latency_monitor),
		.data = (void *)&buf,
		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
		.result = &result,
	};

	ret = nvme_set_features(&args);

	if (ret < 0) {
		perror("set-feature");
	} else if (!ret) {
		printf("NVME_FEAT_OCP_LATENCY_MONITOR: 0x%02x\n",
			NVME_FEAT_OCP_LATENCY_MONITOR);
		printf("active bucket timer threshold: 0x%x\n",
			buf.active_bucket_timer_threshold);
		printf("active threshold a: 0x%x\n", buf.active_threshold_a);
		printf("active threshold b: 0x%x\n", buf.active_threshold_b);
		printf("active threshold c: 0x%x\n", buf.active_threshold_c);
		printf("active threshold d: 0x%x\n", buf.active_threshold_d);
		printf("active latency config: 0x%x\n", buf.active_latency_config);
		printf("active latency minimum window: 0x%x\n",
			buf.active_latency_minimum_window);
		printf("debug log trigger enable: 0x%x\n",
			buf.debug_log_trigger_enable);
		printf("discard debug log: 0x%x\n", buf.discard_debug_log);
		printf("latency monitor feature enable: 0x%x\n",
			buf.latency_monitor_feature_enable);
	} else if (ret > 0)
		fprintf(stderr, "NVMe Status:%s(%x)\n",
				nvme_status_to_string(ret, false), ret);

	return ret;
}

/*
 * Externally available functions used to call the WDC Plugin commands
 */
int run_wdc_cloud_ssd_plugin_version(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_cloud_ssd_plugin_version(argc, argv, command, plugin);
}

int run_wdc_vs_internal_fw_log(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_vs_internal_fw_log(argc, argv, command, plugin);
}

int run_wdc_vs_nand_stats(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_vs_nand_stats(argc, argv, command, plugin);
}

int run_wdc_vs_smart_add_log(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_vs_smart_add_log(argc, argv, command, plugin);
}

int run_wdc_clear_pcie_correctable_errors(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_clear_pcie_correctable_errors(argc, argv, command, plugin);
}

int run_wdc_drive_status(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_drive_status(argc, argv, command, plugin);
}

int run_wdc_clear_assert_dump(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_clear_assert_dump(argc, argv, command, plugin);
}

int run_wdc_drive_resize(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_drive_resize(argc, argv, command, plugin);
}

int run_wdc_vs_fw_activate_history(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_vs_fw_activate_history(argc, argv, command, plugin);
}

int run_wdc_clear_fw_activate_history(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_clear_fw_activate_history(argc, argv, command, plugin);
}

int run_wdc_vs_telemetry_controller_option(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_vs_telemetry_controller_option(argc, argv, command, plugin);
}

int run_wdc_reason_identifier(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_reason_identifier(argc, argv, command, plugin);
}

int run_wdc_log_page_directory(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_log_page_directory(argc, argv, command, plugin);
}

int run_wdc_namespace_resize(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_namespace_resize(argc, argv, command, plugin);
}

int run_wdc_vs_drive_info(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_vs_drive_info(argc, argv, command, plugin);
}

int run_wdc_vs_pcie_stats(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_vs_pcie_stats(argc, argv, command, plugin);
}

int run_wdc_get_latency_monitor_log(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_get_latency_monitor_log(argc, argv, command, plugin);
}

int run_wdc_get_error_recovery_log(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_get_error_recovery_log(argc, argv, command, plugin);
}

int run_wdc_get_dev_capabilities_log(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_get_dev_capabilities_log(argc, argv, command, plugin);
}

int run_wdc_get_unsupported_reqs_log(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_get_unsupported_reqs_log(argc, argv, command, plugin);
}

int run_wdc_cloud_boot_SSD_version(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_cloud_boot_SSD_version(argc, argv, command, plugin);
}

int run_wdc_vs_cloud_log(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_vs_cloud_log(argc, argv, command, plugin);
}

int run_wdc_vs_hw_rev_log(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_vs_hw_rev_log(argc, argv, command, plugin);
}

int run_wdc_vs_device_waf(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_vs_device_waf(argc, argv, command, plugin);
}

int run_wdc_set_latency_monitor_feature(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_set_latency_monitor_feature(argc, argv, command, plugin);
}

int run_wdc_vs_temperature_stats(int argc, char **argv,
		struct command *command,
		struct plugin *plugin)
{
	return wdc_vs_temperature_stats(argc, argv, command, plugin);
}

__u32 run_wdc_get_fw_cust_id(nvme_root_t r, struct nvme_dev *dev)
{
	return wdc_get_fw_cust_id(r, dev);
}

bool run_wdc_nvme_check_supported_log_page(nvme_root_t r,
		struct nvme_dev *dev,
		__u8 log_id)
{
	return wdc_nvme_check_supported_log_page(r, dev, log_id);
}
