Adding upstream version 1.12.upstream/1.12

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1044 insertions, 0 deletions

diff --git a/plugins/virtium/virtium-nvme.c b/plugins/virtium/virtium-nvme.c
new file mode 100644
index 0000000..47b0fdc
--- /dev/null
+++ b/plugins/virtium/virtium-nvme.c
@@ -0,0 +1,1044 @@
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stddef.h>
+#include <inttypes.h>
+#include <stdbool.h>
+#include <time.h>
+#include <locale.h>
+
+#include "linux/nvme_ioctl.h"
+#include "nvme.h"
+#include "nvme-print.h"
+#include "nvme-ioctl.h"
+#include "plugin.h"
+#include "argconfig.h"
+#include "suffix.h"
+
+#define CREATE_CMD
+#include "virtium-nvme.h"
+
+#define MIN2(a, b) ( ((a) < (b))? (a) : (b))
+
+#define HOUR_IN_SECONDS     3600
+
+#define MAX_HEADER_BUFF     (20 * 1024)
+#define MAX_LOG_BUFF        4096
+#define DEFAULT_TEST_NAME   "Put the name of your test here"
+
+static char vt_default_log_file_name[256];
+
+struct vtview_log_header {
+	char			path[256];
+	char			test_name[256];
+	long int		time_stamp;
+	struct nvme_id_ctrl	raw_ctrl;
+	struct nvme_firmware_log_page   raw_fw;
+};
+
+struct vtview_smart_log_entry {
+	char	path[256];
+	long int	time_stamp;
+	struct nvme_id_ns	raw_ns;
+	struct nvme_id_ctrl	raw_ctrl;
+	struct nvme_smart_log	raw_smart;
+};
+
+struct vtview_save_log_settings {
+	double	run_time_hrs;
+	double	log_record_frequency_hrs;
+	const char*	output_file;
+	const char*	test_name;
+};
+
+static long double int128_to_double(__u8 *data)
+{
+	int i;
+	long double result = 0;
+
+	for (i = 0; i < 16; i++) {
+		result *= 256;
+		result += data[15 - i];
+	}
+	return result;
+}
+
+static void vt_initialize_header_buffer(struct vtview_log_header *pbuff)
+{
+	memset(pbuff->path, 0, sizeof(pbuff->path));
+	memset(pbuff->test_name, 0, sizeof(pbuff->test_name));
+}
+
+static void vt_convert_data_buffer_to_hex_string(const unsigned char *bufPtr,
+		const unsigned int size, const bool isReverted, char *output)
+{
+	unsigned int i, pos;
+	const char hextable[16] = {
+		'0', '1', '2', '3',
+		'4', '5', '6', '7',
+		'8', '9', 'A', 'B',
+		'C', 'D', 'E', 'F',
+	};
+
+	memset(output, 0, (size * 2) + 1);
+
+	for (i = 0; i < size; i++) {
+		if(isReverted)
+			pos = size - 1 - i;
+		else
+			pos = i;
+		output[2 * i] = hextable[(bufPtr[pos] & 0xF0) >> 4];
+		output[2 * i + 1] = hextable[(bufPtr[pos] & 0x0F)];
+	}
+}
+
+/*
+ * Generate log file name.
+ * Log file name will be generated automatically if user leave log file option blank.
+ * Log file name will be generated as vtView-Smart-log-date-time.txt
+ */
+static void vt_generate_vtview_log_file_name(char* fname)
+{
+	time_t     current;
+	struct tm  tstamp;
+	char       temp[256];
+
+	time(&current);
+
+	tstamp = *localtime(&current);
+	snprintf(temp, sizeof(temp), "./vtView-Smart-log-");
+	strcat(fname, temp);
+	strftime(temp, sizeof(temp), "%Y-%m-%d", &tstamp);
+	strcat(fname, temp);
+	snprintf(temp, sizeof(temp), ".txt");
+	strcat(fname, temp);
+}
+
+static void vt_convert_smart_data_to_human_readable_format(struct vtview_smart_log_entry *smart, char *text)
+{
+	char tempbuff[1024] = "";
+	int i;
+	int temperature = ((smart->raw_smart.temperature[1] << 8) | smart->raw_smart.temperature[0]) - 273;
+	double capacity;
+	char *curlocale;
+	char *templocale;
+
+	curlocale = setlocale(LC_ALL, NULL);
+	templocale = strdup(curlocale);
+
+	if (NULL == templocale)
+		printf("Cannot malloc buffer\n");
+
+	setlocale(LC_ALL, "C");
+
+	long long int lba = 1 << smart->raw_ns.lbaf[(smart->raw_ns.flbas & 0x0f)].ds;
+	capacity = le64_to_cpu(smart->raw_ns.nsze) * lba;
+
+	snprintf(tempbuff, sizeof(tempbuff), "log;%s;%lu;%s;%s;%-.*s;", smart->raw_ctrl.sn, smart->time_stamp, smart->path,
+		smart->raw_ctrl.mn, (int)sizeof(smart->raw_ctrl.fr), smart->raw_ctrl.fr);
+	strcpy(text, tempbuff);
+	snprintf(tempbuff, sizeof(tempbuff), "Capacity;%lf;", capacity / 1000000000);
+	strcat(text, tempbuff);
+	snprintf(tempbuff, sizeof(tempbuff), "Critical_Warning;%u;", smart->raw_smart.critical_warning);
+	strcat(text, tempbuff);
+	snprintf(tempbuff, sizeof(tempbuff), "Temperature;%u;", temperature);
+	strcat(text, tempbuff);
+	snprintf(tempbuff, sizeof(tempbuff), "Available_Spare;%u;", smart->raw_smart.avail_spare);
+	strcat(text, tempbuff);
+	snprintf(tempbuff, sizeof(tempbuff), "Available_Spare_Threshold;%u;", smart->raw_smart.spare_thresh);
+	strcat(text, tempbuff);
+	snprintf(tempbuff, sizeof(tempbuff), "Percentage_Used;%u;", smart->raw_smart.percent_used);
+	strcat(text, tempbuff);
+	snprintf(tempbuff, sizeof(tempbuff), "Data_Units_Read;%0.Lf;", int128_to_double(smart->raw_smart.data_units_read));
+	strcat(text, tempbuff);
+	snprintf(tempbuff, sizeof(tempbuff), "Data_Units_Written;%0.Lf;", int128_to_double(smart->raw_smart.data_units_written));
+	strcat(text, tempbuff);
+	snprintf(tempbuff, sizeof(tempbuff), "Host_Read_Commands;%0.Lf;", int128_to_double(smart->raw_smart.host_reads));
+	strcat(text, tempbuff);
+	snprintf(tempbuff, sizeof(tempbuff), "Host_Write_Commands;%0.Lf;", int128_to_double(smart->raw_smart.host_writes));
+	strcat(text, tempbuff);
+	snprintf(tempbuff, sizeof(tempbuff), "Controller_Busy_Time;%0.Lf;", int128_to_double(smart->raw_smart.ctrl_busy_time));
+	strcat(text, tempbuff);
+	snprintf(tempbuff, sizeof(tempbuff), "Power_Cycles;%0.Lf;", int128_to_double(smart->raw_smart.power_cycles));
+	strcat(text, tempbuff);
+	snprintf(tempbuff, sizeof(tempbuff), "Power_On_Hours;%0.Lf;", int128_to_double(smart->raw_smart.power_on_hours));
+	strcat(text, tempbuff);
+	snprintf(tempbuff, sizeof(tempbuff), "Unsafe_Shutdowns;%0.Lf;", int128_to_double(smart->raw_smart.unsafe_shutdowns));
+	strcat(text, tempbuff);
+	snprintf(tempbuff, sizeof(tempbuff), "Media_Errors;%0.Lf;", int128_to_double(smart->raw_smart.media_errors));
+	strcat(text, tempbuff);
+	snprintf(tempbuff, sizeof(tempbuff), "Num_Err_Log_Entries;%0.Lf;", int128_to_double(smart->raw_smart.num_err_log_entries));
+	strcat(text, tempbuff);
+	snprintf(tempbuff, sizeof(tempbuff), "Warning_Temperature_Time;%u;", le32_to_cpu(smart->raw_smart.warning_temp_time));
+	strcat(text, tempbuff);
+	snprintf(tempbuff, sizeof(tempbuff), "Critical_Composite_Temperature_Time;%u;", le32_to_cpu(smart->raw_smart.critical_comp_time));
+	strcat(text, tempbuff);
+
+	for (i = 0; i < 8; i++) {
+		__s32 temp = le16_to_cpu(smart->raw_smart.temp_sensor[i]);
+		if (0 == temp) {
+			snprintf(tempbuff, sizeof(tempbuff), "Temperature_Sensor_%d;NC;", i);
+			strcat(text, tempbuff);
+			continue;
+		}
+		snprintf(tempbuff, sizeof(tempbuff), "Temperature_Sensor_%d;%d;", i, temp - 273);
+		strcat(text, tempbuff);
+	}
+
+	snprintf(tempbuff, sizeof(tempbuff), "Thermal_Management_T1_Trans_Count;%u;", le32_to_cpu(smart->raw_smart.thm_temp1_trans_count));
+	strcat(text, tempbuff);
+	snprintf(tempbuff, sizeof(tempbuff), "Thermal_Management_T2_Trans_Count;%u;", le32_to_cpu(smart->raw_smart.thm_temp2_trans_count));
+	strcat(text, tempbuff);
+	snprintf(tempbuff, sizeof(tempbuff), "Thermal_Management_T1_Total_Time;%u;", le32_to_cpu(smart->raw_smart.thm_temp1_total_time));
+	strcat(text, tempbuff);
+	snprintf(tempbuff, sizeof(tempbuff), "Thermal_Management_T2_Total_Time;%u;", le32_to_cpu(smart->raw_smart.thm_temp2_total_time));
+	strcat(text, tempbuff);
+
+	snprintf(tempbuff, sizeof(tempbuff), "NandWrites;%d;\n", 0);
+	strcat(text, tempbuff);
+
+	setlocale(LC_ALL, templocale);
+	free(templocale);
+}
+
+static void vt_header_to_string(const struct vtview_log_header *header, char *text)
+{
+	char timebuff[50] = "";
+	char tempbuff[MAX_HEADER_BUFF] = "";
+	char identext[16384] = "";
+	char fwtext[2048] = "";
+
+	strftime(timebuff, 50, "%Y-%m-%d %H:%M:%S", localtime(&(header->time_stamp)));
+	snprintf(tempbuff, MAX_HEADER_BUFF, "header;{\"session\":{\"testName\":\"%s\",\"dateTime\":\"%s\"},",
+		header->test_name, timebuff);
+	strcpy(text, tempbuff);
+
+	vt_convert_data_buffer_to_hex_string((unsigned char *)&(header->raw_ctrl), sizeof(header->raw_ctrl), false, identext);
+	vt_convert_data_buffer_to_hex_string((unsigned char *)&(header->raw_fw), sizeof(header->raw_fw), false, fwtext);
+	snprintf(tempbuff, MAX_HEADER_BUFF,
+		"\"devices\":[{\"model\":\"%s\",\"port\":\"%s\",\"SN\":\"%s\",\"type\":\"NVMe\",\"identify\":\"%s\",\"firmwareSlot\":\"%s\"}]}\n",
+		header->raw_ctrl.mn, header->path, header->raw_ctrl.sn, identext, fwtext);
+	strcat(text, tempbuff);
+}
+
+static int vt_append_text_file(const char *text, const char *filename)
+{
+	FILE *f;
+
+	f = fopen(filename, "a");
+	if(NULL == f) {
+		printf("Cannot open %s\n", filename);
+		return -1;
+	}
+
+	fprintf(f, "%s", text);
+	fclose(f);
+	return 0;
+}
+
+static int vt_append_log(struct vtview_smart_log_entry *smart, const char *filename)
+{
+	char sm_log_text[MAX_LOG_BUFF] = "";
+
+	vt_convert_smart_data_to_human_readable_format(smart, sm_log_text);
+	return vt_append_text_file(sm_log_text, filename);
+}
+
+static int vt_append_header(const struct vtview_log_header *header, const char *filename)
+{
+	char header_text[MAX_HEADER_BUFF] = "";
+
+	vt_header_to_string(header, header_text);
+	return vt_append_text_file(header_text, filename);
+}
+
+static void vt_process_string(char *str, const size_t size)
+{
+	size_t i;
+
+	if (size == 0)
+		return;
+
+	i = size - 1;
+	while ((0 != i) && (' ' == str[i])) {
+		str[i] = 0;
+		i--;
+	}
+}
+
+static int vt_add_entry_to_log(const int fd, const char *path, const struct vtview_save_log_settings *cfg)
+{
+	struct vtview_smart_log_entry smart;
+	char filename[256] = "";
+	int ret = 0;
+	int nsid = 0;
+
+	memset(smart.path, 0, sizeof(smart.path));
+	strcpy(smart.path, path);
+	if(NULL == cfg->output_file)
+		strcpy(filename, vt_default_log_file_name);
+	else
+		strcpy(filename, cfg->output_file);
+
+	smart.time_stamp = time(NULL);
+	nsid = nvme_get_nsid(fd);
+
+	if (nsid <= 0) {
+		printf("Cannot read namespace-id\n");
+		return -1;
+	}
+
+	ret = nvme_identify_ns(fd, nsid, 0, &smart.raw_ns);
+	if (ret) {
+		printf("Cannot read namespace identify\n");
+		return -1;
+	}
+
+	ret = nvme_identify_ctrl(fd, &smart.raw_ctrl);
+	if (ret) {
+		printf("Cannot read device identify controller\n");
+		return -1;
+	}
+
+	ret = nvme_smart_log(fd, NVME_NSID_ALL, &smart.raw_smart);
+	if (ret) {
+		printf("Cannot read device SMART log\n");
+		return -1;
+	}
+
+	vt_process_string(smart.raw_ctrl.sn, sizeof(smart.raw_ctrl.sn));
+	vt_process_string(smart.raw_ctrl.mn, sizeof(smart.raw_ctrl.mn));
+
+	ret = vt_append_log(&smart, filename);
+	return (ret);
+}
+
+static int vt_update_vtview_log_header(const int fd, const char *path, const struct vtview_save_log_settings *cfg)
+{
+	struct vtview_log_header header;
+	char filename[256] = "";
+	int ret = 0;
+
+	vt_initialize_header_buffer(&header);
+	strcpy(header.path, path);
+
+	if (NULL == cfg->test_name)
+		strcpy(header.test_name, DEFAULT_TEST_NAME);
+	else
+		strcpy(header.test_name, cfg->test_name);
+
+	if(NULL == cfg->output_file)
+		strcpy(filename, vt_default_log_file_name);
+	else
+		strcpy(filename, cfg->output_file);
+
+	printf("Log file: %s\n", filename);
+	header.time_stamp = time(NULL);
+
+	ret = nvme_identify_ctrl(fd, &header.raw_ctrl);
+	if (ret) {
+		printf("Cannot read identify device\n");
+		return -1;
+	}
+
+	ret = nvme_fw_log(fd, &header.raw_fw);
+	if (ret) {
+		printf("Cannot read device firmware log\n");
+		return -1;
+	}
+
+	vt_process_string(header.raw_ctrl.sn, sizeof(header.raw_ctrl.sn));
+	vt_process_string(header.raw_ctrl.mn, sizeof(header.raw_ctrl.mn));
+
+	ret = vt_append_header(&header, filename);
+	return (ret);
+}
+
+static void vt_build_identify_lv2(unsigned int data, unsigned int start,
+				  unsigned int count, const char **table,
+				  bool isEnd)
+{
+	unsigned int i, end, pos, sh = 1;
+	unsigned int temp;
+
+	end = start + count;
+
+	for (i = start; i < end; i++) {
+		temp = ((data & (sh << i)) >> i);
+		pos = i * 2;
+		printf("        \"bit %u\":\"%ub  %s\"\n", i, temp, table[pos]);
+		printf("                     %s", table[pos + 1]);
+
+		if((end - 1) != i || !isEnd)
+			printf(",\n");
+		else
+			printf("\n");
+	}
+
+	if(isEnd)
+		printf("    },\n");
+}
+
+static void vt_build_power_state_descriptor(const struct nvme_id_ctrl *ctrl)
+{
+	unsigned int i;
+	unsigned char *buf;
+
+	printf("{\n");
+	printf("\"Power State Descriptors\":{\n");
+	printf("    \"NOPS\":\"Non-Operational State,\"\n");
+	printf("    \"MPS\":\"Max Power Scale (0: in 0.01 Watts; 1: in 0.0001 Watts),\"\n");
+	printf("    \"ENLAT\":\"Entry Latency in microseconds,\"\n");
+	printf("    \"RWL\":\"Relative Write Latency,\"\n");
+	printf("    \"RRL\":\"Relative Read Latency,\"\n");
+	printf("    \"IPS\":\"Idle Power Scale (00b: Not reported; 01b: 0.0001 W; 10b: 0.01 W; 11b: Reserved),\"\n");
+	printf("    \"APS\":\"Active Power Scale (00b: Not reported; 01b: 0.0001 W; 10b: 0.01 W; 11b: Reserved),\"\n");
+	printf("    \"ACTP\":\"Active Power,\"\n");
+	printf("    \"MP\":\"Maximum Power,\"\n");
+	printf("    \"EXLAT\":\"Exit Latency in microsecond,\"\n");
+	printf("    \"RWT\":\"Relative Write Throughput,\"\n");
+	printf("    \"RRT\":\"Relative Read Throughput,\"\n");
+	printf("    \"IDLP\":\"Idle Power,\"\n");
+	printf("    \"APW\":\"Active Power Workload,\"\n");
+	printf("    \"Ofs\":\"BYTE Offset,\"\n");
+
+	printf("    \"Power State Descriptors\":\"\n");
+
+	printf("%6s%10s%5s%4s%6s%10s%10s%10s%4s%4s%4s%4s%10s%4s%6s%10s%4s%5s%6s\n", "Entry", "0fs 00-03", "NOPS", "MPS", "MP", "ENLAT", "EXLAT", "0fs 12-15",
+			"RWL", "RWT", "RRL", "RRT", "0fs 16-19", "IPS", "IDLP", "0fs 20-23", "APS", "APW", "ACTP");
+
+
+	printf("%6s%10s%5s%4s%6s%10s%10s%10s%4s%4s%4s%4s%10s%4s%6s%10s%4s%5s%6s\n", "=====", "=========", "====", "===", "=====", "=========", "=========",
+			"=========", "===", "===", "===", "===", "=========", "===", "=====", "=========", "===", "====", "=====");
+
+	for (i = 0; i < 32; i++) {
+		char s[100];
+		unsigned int temp;
+
+		printf("%6d", i);
+		buf = (unsigned char*) (&ctrl->psd[i]);
+		vt_convert_data_buffer_to_hex_string(&buf[0], 4, true, s);
+		printf("%9sh", s);
+
+		temp = ctrl->psd[i].flags;
+		printf("%4ub", ((unsigned char)temp & 0x02));
+		printf("%3ub", ((unsigned char)temp & 0x01));
+		vt_convert_data_buffer_to_hex_string(&buf[0], 2, true, s);
+		printf("%5sh", s);
+
+		vt_convert_data_buffer_to_hex_string(&buf[4], 4, true, s);
+		printf("%9sh", s);
+		vt_convert_data_buffer_to_hex_string(&buf[8], 4, true, s);
+		printf("%9sh", s);
+		vt_convert_data_buffer_to_hex_string(&buf[12], 4, true, s);
+		printf("%9sh", s);
+		vt_convert_data_buffer_to_hex_string(&buf[15], 1, true, s);
+		printf("%3sh", s);
+		vt_convert_data_buffer_to_hex_string(&buf[14], 1, true, s);
+		printf("%3sh", s);
+		vt_convert_data_buffer_to_hex_string(&buf[13], 1, true, s);
+		printf("%3sh", s);
+		vt_convert_data_buffer_to_hex_string(&buf[12], 1, true, s);
+		printf("%3sh", s);
+		vt_convert_data_buffer_to_hex_string(&buf[16], 4, true, s);
+		printf("%9sh", s);
+
+		temp = ctrl->psd[i].idle_scale;
+		snprintf(s, sizeof(s), "%u%u", (((unsigned char)temp >> 6) & 0x01), (((unsigned char)temp >> 7) & 0x01));
+		printf("%3sb", s);
+
+		vt_convert_data_buffer_to_hex_string(&buf[16], 2, true, s);
+		printf("%5sh", s);
+		vt_convert_data_buffer_to_hex_string(&buf[20], 4, true, s);
+		printf("%9sh", s);
+
+		temp = ctrl->psd[i].active_work_scale;
+		snprintf(s, sizeof(s), "%u%u", (((unsigned char)temp >> 6) & 0x01), (((unsigned char)temp >> 7) & 0x01));
+		printf("%3sb", s);
+		snprintf(s, sizeof(s), "%u%u%u", (((unsigned char)temp) & 0x01), (((unsigned char)temp >> 1) & 0x01), (((unsigned char)temp >> 2) & 0x01));
+		printf("%4sb", s);
+
+		vt_convert_data_buffer_to_hex_string(&buf[20], 2, true, s);
+		printf("%5sh", s);
+		printf("\n");
+	}
+
+	printf("    \"}\n}\n");
+
+}
+
+static void vt_dump_hex_data(const unsigned char *pbuff, size_t pbuffsize) {
+
+	char textbuf[33];
+	unsigned long int i, j;
+
+	textbuf[32] = '\0';
+	printf("[%08X] ", 0);
+	for (i = 0; i < pbuffsize; i++) {
+		printf("%02X ", pbuff[i]);
+
+		if (pbuff[i] >= ' ' && pbuff[i] <= '~') 
+			textbuf[i % 32] = pbuff[i];
+		else 
+			textbuf[i % 32] = '.';
+
+		if ((((i + 1) % 8) == 0) || ((i + 1) == pbuffsize)) {
+			printf(" ");
+			if ((i + 1) % 32 == 0) {
+				printf(" %s\n", textbuf);
+				if((i + 1) != pbuffsize)
+				    printf("[%08lX] ", (i + 1));
+			} 
+			else if (i + 1 == pbuffsize) {
+				textbuf[(i + 1) % 32] = '\0';
+				if(((i + 1) % 8) == 0)
+					printf(" ");
+
+				for (j = ((i + 1) % 32); j < 32; j++) {
+					printf("   ");
+					if(((j + 1) % 8) == 0)
+						printf(" ");
+				}
+
+				printf("%s\n", textbuf);
+			}
+		}
+	}
+}
+
+static void vt_parse_detail_identify(const struct nvme_id_ctrl *ctrl)
+{
+	unsigned char *buf;
+	unsigned int temp, pos;
+	char s[1024] = "";
+
+	const char *CMICtable[6] = {"0 = the NVM subsystem contains only a single NVM subsystem port",
+								"1 = the NVM subsystem may contain more than one subsystem ports",
+								"0 = the NVM subsystem contains only a single controller",
+								"1 = the NVM subsystem may contain two or more controllers (see section 1.4.1)",
+								"0 = the controller is associated with a PCI Function or a Fabrics connection",
+								"1 = the controller is associated with an SR-IOV Virtual Function"};
+
+	const char *OAEStable[20] = {"Reserved",
+								 "Reserved",
+								 "Reserved",
+								 "Reserved",
+								 "Reserved",
+								 "Reserved",
+								 "Reserved",
+								 "Reserved",
+								 "Reserved",
+								 "Reserved",
+								 "Reserved",
+								 "Reserved",
+								 "Reserved",
+								 "Reserved",
+								 "Reserved",
+								 "Reserved",
+								 "0 = does not support sending the Namespace Attribute Notices event nor the associated Changed Namespace List log page",
+								 "1 = supports sending the Namespace Attribute Notices  & the associated Changed Namespace List log page",
+								 "0 = does not support sending Firmware Activation Notices event",
+								 "1 = supports sending Firmware Activation Notices"};
+
+	const char *CTRATTtable[4] = {"0 = does not support a 128-bit Host Identifier",
+								  "1 = supports a 128-bit Host Identifier",
+								  "0 = does not support Non-Operational Power State Permissive Mode",
+								  "1 = supports Non-Operational Power State Permissive Mode"};
+
+	const char *OACStable[18] = {"0 = does not support the Security Send and Security Receive commands",
+								 "1 = supports the Security Send and Security Receive commands",
+								 "0 = does not support the Format NVM command",
+								 "1 = supports the Format NVM command",
+								 "0 = does not support the Firmware Commit and Firmware Image Download commands",
+								 "1 = supports the Firmware Commit and Firmware Image Download commands",
+								 "0 = does not support the Namespace Management capability",
+								 "1 = supports the Namespace Management capability",
+								 "0 = does not support the Device Self-test command",
+								 "1 = supports the Device Self-test command",
+								 "0 = does not support Directives",
+								 "1 = supports Directive Send & Directive Receive commands",
+								 "0 = does not support the NVMe-MI Send and NVMe-MI Receive commands",
+								 "1 = supports the NVMe-MI Send and NVMe-MI Receive commands",
+								 "0 = does not support the Virtualization Management command",
+								 "1 = supports the Virtualization Management command",
+								 "0 = does not support the Doorbell Buffer Config command",
+								 "1 = supports the Doorbell Buffer Config command"};
+
+	const char *FRMWtable[10] = {"0 = the 1st firmware slot (slot 1) is read/write",
+								 "1 = the 1st firmware slot (slot 1) is read only",
+								 "Reserved",
+								 "Reserved",
+								 "Reserved",
+								 "Reserved",
+								 "Reserved",
+								 "Reserved",
+								 "0 = requires a reset for firmware to be activated",
+								 "1 = supports firmware activation without a reset"};
+
+	const char *LPAtable[8] = {"0 = does not support the SMART / Health information log page on a per namespace basis",
+							   "1 = supports the SMART / Health information log page on a per namespace basis",
+							   "0 = does not support the Commands Supported & Effects log page",
+							   "1 = supports the Commands Supported Effects log page",
+							   "0 = does not support extended data for Get Log Page",
+							   "1 = supports extended data for Get Log Page (including extended Number of Dwords and Log Page Offset fields)",
+							   "0 = does not support the Telemetry Host-Initiated and Telemetry Controller-Initiated log pages and Telemetry Log Notices events",
+							   "1 = supports the Telemetry Host-Initiated and Telemetry Controller-Initiated log pages and sending Telemetry Log Notices"							   };
+
+	const char *AVSCCtable[2] = {"0 = the format of all Admin Vendor Specific Commands are vendor specific",
+								 "1 = all Admin Vendor Specific Commands use the format defined in NVM Express specification"};
+
+	const char *APSTAtable[2] = {"0 = does not support autonomous power state transitions",
+								 "1 = supports autonomous power state transitions"};
+
+	const char *DSTOtable[2] =  {"0 = the NVM subsystem supports one device self-test operation per controller at a time",
+								 "1 = the NVM subsystem supports only one device self-test operation in progress at a time"};
+
+	const char *HCTMAtable[2] = {"0 = does not support host controlled thermal management",
+								 "1 = supports host controlled thermal management. Supports Set Features & Get Features commands with the Feature Identifier field set to 10h"};
+
+	const char *SANICAPtable[6] =  {"0 = does not support the Crypto Erase sanitize operation",
+									"1 = supports the Crypto Erase sanitize operation",
+									"0 = does not support the Block Erase sanitize operation",
+									"1 = supports the Block Erase sanitize operation",
+									"0 = does not support the Overwrite sanitize operation",
+									"1 = supports the Overwrite sanitize operation"};
+
+	const char *ONCStable[14] =  {"0 = does not support the Compare command",
+								  "1 = supports the Compare command",
+								  "0 = does not support the Write Uncorrectable command",
+								  "1 = supports the Write Uncorrectable command",
+								  "0 = does not support the Dataset Management command",
+								  "1 = supports the Dataset Management command",
+								  "0 = does not support the Write Zeroes command",
+								  "1 = supports the Write Zeroes command",
+								  "0 = does not support the Save field set to a non-zero value in the Set Features and the Get Features commands",
+								  "1 = supports the Save field set to a non-zero value in the Set Features and the Get Features commands", \
+								  "0 = does not support reservations",
+								  "1 = supports reservations",
+								  "0 = does not support the Timestamp feature (refer to section 5.21.1.14)",
+								  "1 = supports the Timestamp feature"};
+
+	const char *FUSEStable[2] = {"0 =  does not support the Compare and Write fused operation",
+								 "1 =  supports the Compare and Write fused operation"};
+
+	const char *FNAtable[6] = {"0 = supports format on a per namespace basis",
+							   "1 = all namespaces shall be configured with the same attributes and a format (excluding secure erase) of any namespace results in a format of all namespaces in an NVM subsystem",
+							   "0 = any secure erase performed as part of a format results in a secure erase of a particular namespace specified",
+							   "1 = any secure erase performed as part of a format operation results in a secure erase of all namespaces in the NVM subsystem",
+							   "0 = cryptographic erase is not supported",
+							   "1 = cryptographic erase is supported as part of the secure erase functionality"};
+
+	const char *VWCtable[2] = {"0 = a volatile write cache is not present",
+							   "1 = a volatile write cache is present"};
+
+	const char *NVSCCtable[2] = {"0 = the format of all NVM Vendor Specific Commands are vendor specific",
+								 "1 = all NVM Vendor Specific Commands use the format defined in NVM Express specification"};
+
+	const char *SGLSSubtable[4] =  {"00b = SGLs are not supported",
+									"01b = SGLs are supported. There is no alignment nor granularity requirement for Data Blocks",
+									"10b = SGLs are supported. There is a Dword alignment and granularity requirement for Data Blocks",
+									"11b = Reserved"};
+
+	const char *SGLStable[42] =  {"Used",
+								  "Used",
+								  "Used",
+								  "Used",
+								  "0 = does not support the Keyed SGL Data Block descriptor",
+								  "1 = supports the Keyed SGL Data Block descriptor",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "Reserved",
+								  "0 = the SGL Bit Bucket descriptor is not supported",
+								  "1 = the SGL Bit Bucket descriptor is supported",
+								  "0 = use of a byte aligned contiguous physical buffer of metadata is not supported",
+								  "1 = use of a byte aligned contiguous physical buffer of metadata is supported",
+								  "0 = the SGL length shall be equal to the amount of data to be transferred",
+								  "1 = supports commands that contain a data or metadata SGL of a length larger than the amount of data to be transferred",
+								  "0 = use of Metadata Pointer (MPTR) that contains an address of an SGL segment containing exactly one SGL Descriptor that is Qword aligned is not supported",
+								  "1 = use of Metadata Pointer (MPTR) that contains an address of an SGL segment containing exactly one SGL Descriptor that is Qword aligned is supported",
+								  "0 = the Address field specifying an offset is not supported",
+	                              "1 = supports the Address field in SGL Data Block, SGL Segment, and SGL Last Segment descriptor types specifying an offset"};
+
+	buf = (unsigned char *)(ctrl);
+
+	printf("{\n");
+	vt_convert_data_buffer_to_hex_string(buf, 2, true, s);
+	printf("    \"PCI Vendor ID\":\"%sh\",\n", s);
+	vt_convert_data_buffer_to_hex_string(&buf[2], 2, true, s);
+	printf("    \"PCI Subsystem Vendor ID\":\"%sh\",\n",  s);
+	printf("    \"Serial Number\":\"%s\",\n", ctrl->sn);
+	printf("    \"Model Number\":\"%s\",\n", ctrl->mn);
+	printf("    \"Firmware Revision\":\"%-.*s\",\n", (int)sizeof(ctrl->fr), ctrl->fr);
+	vt_convert_data_buffer_to_hex_string(&buf[72], 1, true, s);
+	printf("    \"Recommended Arbitration Burst\":\"%sh\",\n", s);
+	vt_convert_data_buffer_to_hex_string(&buf[73], 3, true, s);
+	printf("    \"IEEE OUI Identifier\":\"%sh\",\n", s);
+
+	temp = ctrl->cmic;
+	printf("    \"Controller Multi-Path I/O and Namespace Sharing Capabilities\":{\n");
+	vt_convert_data_buffer_to_hex_string(&buf[76], 1, true, s);
+	printf("        \"Value\":\"%sh\",\n", s);
+	vt_build_identify_lv2(temp, 0, 3, CMICtable, true);
+
+	vt_convert_data_buffer_to_hex_string(&buf[77], 1, true, s);
+	printf("    \"Maximum Data Transfer Size\":\"%sh\",\n", s);
+	vt_convert_data_buffer_to_hex_string(&buf[78], 2, true, s);
+	printf("    \"Controller ID\":\"%sh\",\n", s);
+	vt_convert_data_buffer_to_hex_string(&buf[80], 4, true, s);
+	printf("    \"Version\":\"%sh\",\n", s);
+	vt_convert_data_buffer_to_hex_string(&buf[84], 4, true, s);
+	printf("    \"RTD3 Resume Latency\":\"%sh\",\n", s);
+	vt_convert_data_buffer_to_hex_string(&buf[88], 4, true, s);
+	printf("    \"RTD3 Entry Latency\":\"%sh\",\n", s);
+
+	temp = le32_to_cpu(ctrl->oaes);
+	printf("    \"Optional Asynchronous Events Supported\":{\n");
+	vt_convert_data_buffer_to_hex_string(&buf[92], 4, true, s);
+	printf("        \"Value\":\"%sh\",\n", s);
+	vt_build_identify_lv2(temp, 8, 2, OAEStable, true);
+
+	temp = le32_to_cpu(ctrl->ctratt);
+	printf("    \"Controller Attributes\":{\n");
+	vt_convert_data_buffer_to_hex_string(&buf[96], 4, true, s);
+	printf("        \"Value\":\"%sh\",\n", s);
+	vt_build_identify_lv2(temp, 0, 2, CTRATTtable, true);
+
+	vt_convert_data_buffer_to_hex_string(&buf[122], 16, true, s);
+	printf("    \"FRU Globally Unique Identifier\":\"%sh\",\n", s);
+	vt_convert_data_buffer_to_hex_string(&buf[240], 16, true, s);
+	printf("    \"NVMe Management Interface Specification\":\"%sh\",\n", s);
+
+	temp = le16_to_cpu(ctrl->oacs);
+	printf("    \"Optional Admin Command Support\":{\n");
+	vt_convert_data_buffer_to_hex_string(&buf[256], 2, true, s);
+	printf("        \"Value\":\"%sh\",\n", s);
+	vt_build_identify_lv2(temp, 0, 9, OACStable, true);
+
+	vt_convert_data_buffer_to_hex_string(&buf[258], 1, true, s);
+	printf("    \"Abort Command Limit\":\"%sh\",\n", s);
+	vt_convert_data_buffer_to_hex_string(&buf[259], 1, true, s);
+	printf("    \"Asynchronous Event Request Limit\":\"%sh\",\n", s);
+
+	temp = ctrl->frmw;
+	printf("    \"Firmware Updates\":{\n");
+	vt_convert_data_buffer_to_hex_string(&buf[260], 1, true, s);
+	printf("        \"Value\":\"%sh\",\n", s);
+	vt_build_identify_lv2(temp, 0, 1, FRMWtable, false);
+	vt_convert_data_buffer_to_hex_string(&buf[260], 1, true, s);
+	printf("        \"Firmware Slot\":\"%uh\",\n", ((ctrl->frmw >> 1) & 0x07));
+	vt_build_identify_lv2(temp, 4, 1, FRMWtable, true);
+
+	temp = ctrl->lpa;
+	printf("    \"Log Page Attributes\":{\n");
+	vt_convert_data_buffer_to_hex_string(&buf[261], 1, true, s);
+	printf("        \"Value\":\"%sh\",\n", s);
+	vt_build_identify_lv2(temp, 0, 4, LPAtable, true);
+
+	vt_convert_data_buffer_to_hex_string(&buf[262], 1, true, s);
+	printf("    \"Error Log Page Entries\":\"%sh\",\n", s);
+	vt_convert_data_buffer_to_hex_string(&buf[263], 1, true, s);
+	printf("    \"Number of Power States Support\":\"%sh\",\n", s);
+
+	temp = ctrl->avscc;
+	printf("    \"Admin Vendor Specific Command Configuration\":{\n");
+	vt_convert_data_buffer_to_hex_string(&buf[264], 1, true, s);
+	printf("        \"Value\":\"%sh\",\n", s);
+	vt_build_identify_lv2(temp, 0, 1, AVSCCtable, true);
+
+	temp = ctrl->apsta;
+	printf("    \"Autonomous Power State Transition Attributes\":{\n");
+	vt_convert_data_buffer_to_hex_string(&buf[265], 1, true, s);
+	printf("        \"Value\":\"%sh\",\n", s);
+	vt_build_identify_lv2(temp, 0, 1, APSTAtable, true);
+
+	vt_convert_data_buffer_to_hex_string(&buf[266], 2, true, s);
+	printf("    \"Warning Composite Temperature Threshold\":\"%sh\",\n", s);
+	vt_convert_data_buffer_to_hex_string(&buf[268], 2, true, s);
+	printf("    \"Critical Composite Temperature Threshold\":\"%sh\",\n", s);
+	vt_convert_data_buffer_to_hex_string(&buf[270], 2, true, s);
+	printf("    \"Maximum Time for Firmware Activation\":\"%sh\",\n", s);
+	vt_convert_data_buffer_to_hex_string(&buf[272], 4, true, s);
+	printf("    \"Host Memory Buffer Preferred Size\":\"%sh\",\n", s);
+	vt_convert_data_buffer_to_hex_string(&buf[276], 4, true, s);
+	printf("    \"Host Memory Buffer Minimum Size\":\"%sh\",\n", s);
+	vt_convert_data_buffer_to_hex_string(&buf[280], 16, true, s);
+	printf("    \"Total NVM Capacity\":\"%sh\",\n", s);
+	vt_convert_data_buffer_to_hex_string(&buf[296], 16, true, s);
+	printf("    \"Unallocated NVM Capacity\":\"%sh\",\n", s);
+
+	temp = le32_to_cpu(ctrl->rpmbs); 
+	printf("    \"Replay Protected Memory Block Support\":{\n");
+	vt_convert_data_buffer_to_hex_string(&buf[312], 4, true, s);
+	printf("        \"Value\":\"%sh\",\n", s);
+	printf("        \"Number of RPMB Units\":\"%u\",\n", (temp & 0x00000003));
+	snprintf(s, sizeof(s), ((temp >> 3) & 0x00000007)? "Reserved" : "HMAC SHA-256");
+	printf("        \"Authentication Method\":\"%u: %s\",\n", ((temp >> 3) & 0x00000007), s);
+	printf("        \"Total Size\":\"%u\",\n", ((temp >> 16) & 0x000000FF));
+	printf("        \"Access Size\":\"%u\",\n", ((temp >> 24) & 0x000000FF));
+	printf("    },\n");
+
+	vt_convert_data_buffer_to_hex_string(&buf[316], 2, true, s);
+	printf("    \"Extended Device Self-test Time\":\"%sh\",\n", s);
+
+	temp = ctrl->dsto;
+	printf("    \"Device Self-test Options\":{\n");
+	vt_convert_data_buffer_to_hex_string(&buf[318], 1, true, s);
+	printf("        \"Value\":\"%sh\",\n", s);
+	vt_build_identify_lv2(temp, 0, 1, DSTOtable, true);
+
+	vt_convert_data_buffer_to_hex_string(&buf[319], 1, true, s);
+	printf("    \"Firmware Update Granularity\":\"%sh\",\n", s);
+	vt_convert_data_buffer_to_hex_string(&buf[320], 1, true, s);
+	printf("    \"Keep Alive Support\":\"%sh\",\n", s);
+
+	temp = le16_to_cpu(ctrl->hctma);
+	printf("    \"Host Controlled Thermal Management Attributes\":{\n");
+	vt_convert_data_buffer_to_hex_string(&buf[322], 2, true, s);
+	printf("        \"Value\":\"%sh\",\n", s);
+	vt_build_identify_lv2(temp, 0, 1, HCTMAtable, true);
+
+	vt_convert_data_buffer_to_hex_string(&buf[324], 2, true, s);
+	printf("    \"Minimum Thermal Management Temperature\":\"%sh\",\n", s);
+	vt_convert_data_buffer_to_hex_string(&buf[326], 2, true, s);
+	printf("    \"Maximum Thermal Management Temperature\":\"%sh\",\n", s);
+
+	temp = le16_to_cpu(ctrl->sanicap);
+	printf("    \"Sanitize Capabilities\":{\n");
+	vt_convert_data_buffer_to_hex_string(&buf[328], 2, true, s);
+	printf("        \"Value\":\"%sh\",\n", s);
+	vt_build_identify_lv2(temp, 0, 3, SANICAPtable, true);
+
+	temp = ctrl->sqes;
+	printf("    \"Submission Queue Entry Size\":{\n");
+	vt_convert_data_buffer_to_hex_string(&buf[512], 1, true, s);
+	printf("        \"Value\":\"%sh\",\n", s);
+	printf("        \"Maximum Size\":\"%u\",\n", (temp & 0x0000000F));
+	printf("        \"Required Size\":\"%u\",\n", ((temp >> 4) & 0x0000000F));
+	printf("    }\n");
+
+	temp = ctrl->cqes;
+	printf("    \"Completion Queue Entry Size\":{\n");
+	vt_convert_data_buffer_to_hex_string(&buf[513], 1, true, s);
+	printf("        \"Value\":\"%sh\",\n", s);
+	printf("        \"Maximum Size\":\"%u\",\n", (temp & 0x0000000F));
+	printf("        \"Required Size\":\"%u\",\n", ((temp >> 4) & 0x0000000F));
+	printf("    }\n");
+
+	vt_convert_data_buffer_to_hex_string(&buf[514], 2, true, s);
+	printf("    \"Maximum Outstanding Commands\":\"%sh\",\n", s);
+	vt_convert_data_buffer_to_hex_string(&buf[516], 4, true, s);
+	printf("    \"Number of Namespaces\":\"%sh\",\n", s);
+
+	temp = le16_to_cpu(ctrl->oncs);
+	printf("    \"Optional NVM Command Support\":{\n");
+	vt_convert_data_buffer_to_hex_string(&buf[520], 2, true, s);
+	printf("        \"Value\":\"%sh\",\n", s);
+	vt_build_identify_lv2(temp, 0, 7, ONCStable, true);
+
+	temp = le16_to_cpu(ctrl->fuses);
+	printf("    \"Fused Operation Support\":{\n");
+	vt_convert_data_buffer_to_hex_string(&buf[522], 2, true, s);
+	printf("        \"Value\":\"%sh\",\n", s);
+	vt_build_identify_lv2(temp, 0, 1, FUSEStable, true);
+
+	temp = ctrl->fna;
+	printf("    \"Format NVM Attributes\":{\n");
+	vt_convert_data_buffer_to_hex_string(&buf[524], 1, true, s);
+	printf("        \"Value\":\"%sh\",\n", s);
+	vt_build_identify_lv2(temp, 0, 3, FNAtable, true);
+
+	temp = ctrl->vwc;
+	printf("    \"Volatile Write Cache\":{\n");
+	vt_convert_data_buffer_to_hex_string(&buf[525], 1, true, s);
+	printf("        \"Value\":\"%sh\",\n", s);
+	vt_build_identify_lv2(temp, 0, 1, VWCtable, true);
+
+	vt_convert_data_buffer_to_hex_string(&buf[526], 2, true, s);
+	printf("    \"Atomic Write Unit Normal\":\"%sh\",\n", s);
+	vt_convert_data_buffer_to_hex_string(&buf[528], 2, true, s);
+	printf("    \"Atomic Write Unit Power Fail\":\"%sh\",\n", s);
+
+	temp = ctrl->nvscc;
+	printf("    \"NVM Vendor Specific Command Configuration\":{\n");
+	vt_convert_data_buffer_to_hex_string(&buf[530], 1, true, s);
+	printf("        \"Value\":\"%sh\",\n", s);
+	vt_build_identify_lv2(temp, 0, 1, NVSCCtable, true);
+
+	vt_convert_data_buffer_to_hex_string(&buf[532], 2, true, s);
+	printf("    \"Atomic Compare 0 Write Unit\":\"%sh\",\n", s);
+
+	temp = le32_to_cpu(ctrl->sgls);
+	printf("    \"SGL Support\":{\n");
+	vt_convert_data_buffer_to_hex_string(&buf[536], 4, true, s);
+	printf("        \"Value\":\"%sh\",\n", s);
+	pos = (temp & 0x00000003);
+	printf("        \"bit 1:0\":\"%s\",\n", SGLSSubtable[pos]);
+	vt_build_identify_lv2(temp, 2, 1, SGLStable, false);
+	vt_build_identify_lv2(temp, 16, 5, SGLStable, true);
+
+	vt_convert_data_buffer_to_hex_string(&buf[768], 256, false, s);
+	printf("    \"NVM Subsystem NVMe Qualified Name\":\"%s\",\n", s);
+	printf("}\n\n");
+
+	vt_build_power_state_descriptor(ctrl);
+
+
+	printf("\n{\n");
+	printf("\"Vendor Specific\":\"\n");
+	vt_dump_hex_data(&buf[3072], 1024);
+	printf("\"}\n");
+}
+
+static int vt_save_smart_to_vtview_log(int argc, char **argv, struct command *cmd, struct plugin *plugin)
+{
+	int err = 0;
+	int fd, ret;
+	long int total_time = 0;
+	long int freq_time = 0;
+	long int cur_time = 0;
+	long int remain_time = 0;
+	long int start_time = 0;
+	long int end_time = 0;
+	char path[256] = "";
+	char *desc = "Save SMART data into log file with format that is easy to analyze (comma delimited). Maximum log file will be 4K.\n\n"
+		"Typical usages:\n\n"
+		"Temperature characterization: \n"
+		"\tvirtium save-smart-to-vtview-log /dev/yourDevice --run-time=100 --record-frequency=0.25 --test-name=burn-in-at-(-40)\n\n"
+		"Endurance testing : \n"
+		"\tvirtium save-smart-to-vtview-log /dev/yourDevice --run-time=100 --record-frequency=1 --test-name=Endurance-test-JEDEG-219-workload\n\n"
+		"Just logging :\n"
+		"\tvirtium save-smart-to-vtview-log /dev/yourDevice";
+
+	const char *run_time = "(optional) Number of hours to log data (default = 20 hours)";
+	const char *freq = "(optional) How often you want to log SMART data (0.25 = 15' , 0.5 = 30' , 1 = 1 hour, 2 = 2 hours, etc.). Default = 10 hours.";
+	const char *output_file = "(optional) Name of the log file (give it a name that easy for you to remember what the test is). You can leave it blank too, we will take care it for you.";
+	const char *test_name = "(optional) Name of the test you are doing. We use this as part of the name of the log file.";
+
+	struct vtview_save_log_settings cfg = {
+		.run_time_hrs = 20,
+		.log_record_frequency_hrs = 10,
+		.output_file = NULL,
+		.test_name = NULL,
+	};
+
+	OPT_ARGS(opts) = {
+		OPT_DOUBLE("run-time",  'r', &cfg.run_time_hrs,             run_time),
+		OPT_DOUBLE("freq",      'f', &cfg.log_record_frequency_hrs, freq),
+		OPT_FILE("output-file", 'o', &cfg.output_file,              output_file),
+		OPT_STRING("test-name", 'n', "NAME", &cfg.test_name,        test_name),
+		OPT_END()
+	};
+
+	vt_generate_vtview_log_file_name(vt_default_log_file_name);
+
+	if (argc >= 2)
+		strcpy(path, argv[1]);
+
+	fd = parse_and_open(argc, argv, desc, opts);
+	if (fd < 0) {
+		printf("Error parse and open (fd = %d)\n", fd);
+		return (fd);
+	}
+
+	printf("Running...\n");
+	printf("Collecting data for device %s\n", path);
+	printf("Running for %lf hour(s)\n", cfg.run_time_hrs);
+	printf("Logging SMART data for every %lf hour(s)\n", cfg.log_record_frequency_hrs);
+
+	ret = vt_update_vtview_log_header(fd, path, &cfg);
+	if (ret) {
+		err = EINVAL;
+		close(fd);
+		return (err);
+	}
+
+	total_time = cfg.run_time_hrs * (float)HOUR_IN_SECONDS;
+	freq_time = cfg.log_record_frequency_hrs * (float)HOUR_IN_SECONDS;
+
+	if(freq_time == 0)
+		freq_time = 1;
+
+	start_time = time(NULL);
+	end_time = start_time + total_time;
+
+	fflush(stdout);
+
+	while (1) {
+		cur_time = time(NULL);
+		if(cur_time >= end_time)
+			break;
+
+		ret = vt_add_entry_to_log(fd, path, &cfg);
+		if (ret) {
+			printf("Cannot update driver log\n");
+			break;
+		}
+
+		remain_time = end_time - cur_time;
+		freq_time = MIN2(freq_time, remain_time);
+		sleep(freq_time);
+		fflush(stdout);
+	}
+
+	close (fd);
+	return (err);
+}
+
+static int vt_show_identify(int argc, char **argv, struct command *cmd, struct plugin *plugin)
+{
+	int err = 0;
+	int fd ,ret;
+	struct nvme_id_ctrl ctrl;
+	char *desc = "Parse identify data to json format\n\n"
+		"Typical usages:\n\n"
+		"virtium show-identify /dev/yourDevice\n";
+
+	OPT_ARGS(opts) = {
+		OPT_END()
+	};
+
+	fd = parse_and_open(argc, argv, desc, opts);
+	if (fd < 0) {
+		printf("Error parse and open (fd = %d)\n", fd);
+		return (fd);
+	}
+
+	ret = nvme_identify_ctrl(fd, &ctrl);
+	if (ret) {
+		printf("Cannot read identify device\n");
+		close (fd);
+		return (-1);
+	}
+
+	vt_process_string(ctrl.sn, sizeof(ctrl.sn));
+	vt_process_string(ctrl.mn, sizeof(ctrl.mn));
+	vt_parse_detail_identify(&ctrl);
+
+	close(fd);
+	return (err);
+}