Adding upstream version 2.5.upstream/2.5

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

1 files changed, 1401 insertions, 149 deletions

diff --git a/plugins/ocp/ocp-nvme.c b/plugins/ocp/ocp-nvme.c
index a864363..edf75fc 100644
--- a/plugins/ocp/ocp-nvme.c
+++ b/plugins/ocp/ocp-nvme.c
@@ -1,9 +1,10 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
-/* Copyright (c) 2022 Meta Platforms, Inc.
+/*
+ * Copyright (c) 2023 Meta Platforms, Inc.
  *
- * Authors: Arthur Shau <arthurshau@fb.com>,
- *          Wei Zhang <wzhang@fb.com>,
- *          Venkat Ramesh <venkatraghavan@fb.com>
+ * Authors: Arthur Shau <arthurshau@meta.com>,
+ *          Wei Zhang <wzhang@meta.com>,
+ *          Venkat Ramesh <venkatraghavan@meta.com>
  */
 #include <stdio.h>
 #include <string.h>
@@ -25,20 +26,29 @@
 
 #include "ocp-smart-extended-log.h"
 #include "ocp-clear-fw-update-history.h"
+#include "ocp-fw-activation-history.h"
 
 #define CREATE_CMD
 #include "ocp-nvme.h"
 #include "ocp-utils.h"
 
-#define C0_ACTIVE_BUCKET_TIMER_INCREMENT	5
-#define C0_ACTIVE_THRESHOLD_INCREMENT		5
-#define C0_MINIMUM_WINDOW_INCREMENT		100
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+/// Latency Monitor Log
 
-/* C3 Latency Monitor Log Page */
 #define C3_LATENCY_MON_LOG_BUF_LEN		0x200
 #define C3_LATENCY_MON_OPCODE			0xC3
 #define C3_LATENCY_MON_VERSION			0x0001
 #define C3_GUID_LENGTH				16
+#define NVME_FEAT_OCP_LATENCY_MONITOR		0xC5
+
+#define C3_ACTIVE_BUCKET_TIMER_INCREMENT	5
+#define C3_ACTIVE_THRESHOLD_INCREMENT		5
+#define C3_MINIMUM_WINDOW_INCREMENT		100
+#define C3_BUCKET_NUM				4
+
 static __u8 lat_mon_guid[C3_GUID_LENGTH] = {
 	0x92, 0x7a, 0xc0, 0x8c,
 	0xd0, 0x84, 0x6c, 0x9c,
@@ -46,12 +56,12 @@ static __u8 lat_mon_guid[C3_GUID_LENGTH] = {
 	0x58, 0x5e, 0xd4, 0x85
 };
 
-#define READ		0
-#define WRITE		1
-#define TRIM		2
-#define RESERVED	3
+#define READ		3
+#define WRITE		2
+#define TRIM		1
+#define RESERVED	0
 
-struct __attribute__((__packed__)) ssd_latency_monitor_log {
+struct __packed ssd_latency_monitor_log {
 	__u8	feature_status;			/* 0x00 */
 	__u8	rsvd1;				/* 0x01 */
 	__le16	active_bucket_timer;		/* 0x02 */
@@ -88,24 +98,19 @@ struct __attribute__((__packed__)) ssd_latency_monitor_log {
 	__u8	log_page_guid[0x10];		/* 0x1F0 */
 };
 
-static const __u8 OCP_FID_CLEAR_PCIE_CORRECTABLE_ERROR_COUNTERS = 0xC3;
-
-static int convert_ts(time_t time, char *ts_buf)
-{
-	struct tm gmTimeInfo;
-	time_t time_Human, time_ms;
-	char buf[80];
-
-	time_Human = time/1000;
-	time_ms = time % 1000;
-
-	gmtime_r((const time_t *)&time_Human, &gmTimeInfo);
-
-	strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", &gmTimeInfo);
-	sprintf(ts_buf, "%s.%03ld GMT", buf, time_ms);
-
-	return 0;
-}
+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 ocp_print_C3_log_normal(struct nvme_dev *dev,
 				   struct ssd_latency_monitor_log *log_data)
@@ -119,25 +124,25 @@ static int ocp_print_C3_log_normal(struct nvme_dev *dev,
 	printf("  Feature Status                     0x%x\n",
 	       log_data->feature_status);
 	printf("  Active Bucket Timer                %d min\n",
-	       C0_ACTIVE_BUCKET_TIMER_INCREMENT *
+	       C3_ACTIVE_BUCKET_TIMER_INCREMENT *
 	       le16_to_cpu(log_data->active_bucket_timer));
 	printf("  Active Bucket Timer Threshold      %d min\n",
-	       C0_ACTIVE_BUCKET_TIMER_INCREMENT *
+	       C3_ACTIVE_BUCKET_TIMER_INCREMENT *
 	       le16_to_cpu(log_data->active_bucket_timer_threshold));
 	printf("  Active Threshold A                 %d ms\n",
-	       C0_ACTIVE_THRESHOLD_INCREMENT *
+	       C3_ACTIVE_THRESHOLD_INCREMENT *
 	       le16_to_cpu(log_data->active_threshold_a+1));
 	printf("  Active Threshold B                 %d ms\n",
-	       C0_ACTIVE_THRESHOLD_INCREMENT *
+	       C3_ACTIVE_THRESHOLD_INCREMENT *
 	       le16_to_cpu(log_data->active_threshold_b+1));
 	printf("  Active Threshold C                 %d ms\n",
-	       C0_ACTIVE_THRESHOLD_INCREMENT *
+	       C3_ACTIVE_THRESHOLD_INCREMENT *
 	       le16_to_cpu(log_data->active_threshold_c+1));
 	printf("  Active Threshold D                 %d ms\n",
-	       C0_ACTIVE_THRESHOLD_INCREMENT *
+	       C3_ACTIVE_THRESHOLD_INCREMENT *
 	       le16_to_cpu(log_data->active_threshold_d+1));
 	printf("  Active Latency Minimum Window      %d ms\n",
-	       C0_MINIMUM_WINDOW_INCREMENT *
+	       C3_MINIMUM_WINDOW_INCREMENT *
 	       le16_to_cpu(log_data->active_latency_min_window));
 	printf("  Active Latency Stamp Units         %d\n",
 	       le16_to_cpu(log_data->active_latency_stamp_units));
@@ -145,39 +150,55 @@ static int ocp_print_C3_log_normal(struct nvme_dev *dev,
 	       le16_to_cpu(log_data->static_latency_stamp_units));
 	printf("  Debug Log Trigger Enable           %d\n",
 	       le16_to_cpu(log_data->debug_log_trigger_enable));
+	printf("  Debug Log Measured Latency         %d\n",
+	       le16_to_cpu(log_data->debug_log_measured_latency));
+	if (le64_to_cpu(log_data->debug_log_latency_stamp) == -1) {
+		printf("  Debug Log Latency Time Stamp       N/A\n");
+	} else {
+		convert_ts(le64_to_cpu(log_data->debug_log_latency_stamp), ts_buf);
+		printf("  Debug Log Latency Time Stamp       %s\n", ts_buf);
+	}
+	printf("  Debug Log Pointer                  %d\n",
+	       le16_to_cpu(log_data->debug_log_ptr));
+	printf("  Debug Counter Trigger Source       %d\n",
+	       le16_to_cpu(log_data->debug_log_counter_trigger));
+	printf("  Debug Log Stamp Units              %d\n",
+	       le16_to_cpu(log_data->debug_log_stamp_units));
+	printf("  Log Page Version                   %d\n",
+	       le16_to_cpu(log_data->log_page_version));
+
+	char guid[(C3_GUID_LENGTH * 2) + 1];
+	char *ptr = &guid[0];
+
+	for (i = C3_GUID_LENGTH - 1; i >= 0; i--)
+		ptr += sprintf(ptr, "%02X", log_data->log_page_guid[i]);
+
+	printf("  Log Page GUID                      %s\n", guid);
+	printf("\n");
 
-	printf("                                                            Read                           Write                 Deallocate/Trim \n");
-	for (i = 0; i <= 3; i++) {
+	printf("                                                            Read                           Write                 Deallocate/Trim\n");
+	for (i = 0; i < C3_BUCKET_NUM; i++) {
 		printf("  Active Latency Mode: Bucket %d      %27d     %27d     %27d\n",
 		       i,
 		       log_data->active_latency_config & (1 << pos),
 		       log_data->active_latency_config & (1 << pos),
 		       log_data->active_latency_config & (1 << pos));
 	}
-	printf("\n");
 
-	for (i = 0; i <= 3; i++) {
-		printf("  Active Bucket Counter: Bucket %d    %27d     %27d     %27d \n",
+	for (i = 0; i < C3_BUCKET_NUM; i++) {
+		printf("  Active Bucket Counter: Bucket %d    %27d     %27d     %27d\n",
 		       i,
 		       le32_to_cpu(log_data->active_bucket_counter[i][READ]),
 		       le32_to_cpu(log_data->active_bucket_counter[i][WRITE]),
 		       le32_to_cpu(log_data->active_bucket_counter[i][TRIM]));
 	}
 
-	for (i = 0; i <= 3; i++) {
-		printf("  Active Measured Latency: Bucket %d  %27d ms  %27d ms  %27d ms\n",
-		       i,
-		       le16_to_cpu(log_data->active_measured_latency[i][READ]),
-		       le16_to_cpu(log_data->active_measured_latency[i][WRITE]),
-		       le16_to_cpu(log_data->active_measured_latency[i][TRIM]));
-	}
-
-	for (i = 0; i <= 3; i++) {
+	for (i = 0; i < C3_BUCKET_NUM; i++) {
 		printf("  Active Latency Time Stamp: Bucket %d    ", i);
-		for (j = 0; j <= 2; j++) {
-			if (le64_to_cpu(log_data->active_latency_timestamp[i][j]) == -1)
+		for (j = 2; j >= 0; j--) {
+			if (le64_to_cpu(log_data->active_latency_timestamp[i][j]) == -1) {
 				printf("                    N/A         ");
-			else {
+			} else {
 				convert_ts(le64_to_cpu(log_data->active_latency_timestamp[i][j]), ts_buf);
 				printf("%s     ", ts_buf);
 			}
@@ -185,7 +206,16 @@ static int ocp_print_C3_log_normal(struct nvme_dev *dev,
 		printf("\n");
 	}
 
-	for (i = 0; i <= 3; i++) {
+	for (i = 0; i < C3_BUCKET_NUM; i++) {
+		printf("  Active Measured Latency: Bucket %d  %27d ms  %27d ms  %27d ms\n",
+		       i,
+		       le16_to_cpu(log_data->active_measured_latency[i][READ-1]),
+		       le16_to_cpu(log_data->active_measured_latency[i][WRITE-1]),
+		       le16_to_cpu(log_data->active_measured_latency[i][TRIM-1]));
+	}
+
+	printf("\n");
+	for (i = 0; i < C3_BUCKET_NUM; i++) {
 		printf("  Static Bucket Counter: Bucket %d    %27d     %27d     %27d\n",
 		       i,
 		       le32_to_cpu(log_data->static_bucket_counter[i][READ]),
@@ -193,20 +223,12 @@ static int ocp_print_C3_log_normal(struct nvme_dev *dev,
 		       le32_to_cpu(log_data->static_bucket_counter[i][TRIM]));
 	}
 
-	for (i = 0; i <= 3; i++) {
-		printf("  Static Measured Latency: Bucket %d  %27d ms  %27d ms  %27d ms \n",
-		       i,
-		       le16_to_cpu(log_data->static_measured_latency[i][READ]),
-		       le16_to_cpu(log_data->static_measured_latency[i][WRITE]),
-		       le16_to_cpu(log_data->static_measured_latency[i][TRIM]));
-	}
-
-	for (i = 0; i <= 3; i++) {
+	for (i = 0; i < C3_BUCKET_NUM; i++) {
 		printf("  Static Latency Time Stamp: Bucket %d    ", i);
-		for (j = 0; j <= 2; j++) {
-			if (le64_to_cpu(log_data->static_latency_timestamp[i][j]) == -1)
+		for (j = 2; j >= 0; j--) {
+			if (le64_to_cpu(log_data->static_latency_timestamp[i][j]) == -1) {
 				printf("                    N/A         ");
-			else {
+			} else {
 				convert_ts(le64_to_cpu(log_data->static_latency_timestamp[i][j]), ts_buf);
 				printf("%s     ", ts_buf);
 			}
@@ -214,6 +236,14 @@ static int ocp_print_C3_log_normal(struct nvme_dev *dev,
 		printf("\n");
 	}
 
+	for (i = 0; i < C3_BUCKET_NUM; i++) {
+		printf("  Static Measured Latency: Bucket %d  %27d ms  %27d ms  %27d ms\n",
+		       i,
+		       le16_to_cpu(log_data->static_measured_latency[i][READ-1]),
+		       le16_to_cpu(log_data->static_measured_latency[i][WRITE-1]),
+		       le16_to_cpu(log_data->static_measured_latency[i][TRIM-1]));
+	}
+
 	return 0;
 }
 
@@ -224,85 +254,68 @@ static void ocp_print_C3_log_json(struct ssd_latency_monitor_log *log_data)
 	char buf[128];
 	int i, j;
 	int pos = 0;
-	char *operation[3] = {"Read", "Write", "Trim"};
+	char *operation[3] = {"Trim", "Write", "Read"};
 
 	root = json_create_object();
 
 	json_object_add_value_uint(root, "Feature Status",
 		log_data->feature_status);
 	json_object_add_value_uint(root, "Active Bucket Timer",
-		C0_ACTIVE_BUCKET_TIMER_INCREMENT *
+		C3_ACTIVE_BUCKET_TIMER_INCREMENT *
 		le16_to_cpu(log_data->active_bucket_timer));
 	json_object_add_value_uint(root, "Active Bucket Timer Threshold",
-		C0_ACTIVE_BUCKET_TIMER_INCREMENT *
+		C3_ACTIVE_BUCKET_TIMER_INCREMENT *
 		le16_to_cpu(log_data->active_bucket_timer_threshold));
 	json_object_add_value_uint(root, "Active Threshold A",
-		C0_ACTIVE_THRESHOLD_INCREMENT *
+		C3_ACTIVE_THRESHOLD_INCREMENT *
 		le16_to_cpu(log_data->active_threshold_a + 1));
 	json_object_add_value_uint(root, "Active Threshold B",
-		C0_ACTIVE_THRESHOLD_INCREMENT *
+		C3_ACTIVE_THRESHOLD_INCREMENT *
 		le16_to_cpu(log_data->active_threshold_b + 1));
 	json_object_add_value_uint(root, "Active Threshold C",
-		C0_ACTIVE_THRESHOLD_INCREMENT *
+		C3_ACTIVE_THRESHOLD_INCREMENT *
 		le16_to_cpu(log_data->active_threshold_c + 1));
 	json_object_add_value_uint(root, "Active Threshold D",
-		C0_ACTIVE_THRESHOLD_INCREMENT *
+		C3_ACTIVE_THRESHOLD_INCREMENT *
 		le16_to_cpu(log_data->active_threshold_d + 1));
-	json_object_add_value_uint(root, "Active Lantency Minimum Window",
-		C0_MINIMUM_WINDOW_INCREMENT *
-		le16_to_cpu(log_data->active_latency_min_window));
-	json_object_add_value_uint(root, "Active Latency Stamp Units",
-		le16_to_cpu(log_data->active_latency_stamp_units));
-	json_object_add_value_uint(root, "Static Latency Stamp Units",
-		le16_to_cpu(log_data->static_latency_stamp_units));
-	json_object_add_value_uint(root, "Debug Log Trigger Enable",
-		le16_to_cpu(log_data->debug_log_trigger_enable));
 
-	for (i = 0; i <= 3; i++) {
+	for (i = 0; i < C3_BUCKET_NUM; i++) {
 		struct json_object *bucket;
 
 		bucket = json_create_object();
 		sprintf(buf, "Active Latency Mode: Bucket %d", i);
-		for (j = 0; j <= 2; j++) {
+		for (j = 2; j >= 0; j--) {
 			json_object_add_value_uint(bucket, operation[j],
 						   log_data->active_latency_config & (1 << pos));
 		}
 		json_object_add_value_object(root, buf, bucket);
 	}
 
-	for (i = 0; i <= 3; i++) {
-		struct json_object *bucket;
-
-		bucket = json_create_object();
-		sprintf(buf, "Active Bucket Counter: Bucket %d", i);
-		for (j = 0; j <= 2; j++) {
-			json_object_add_value_uint(bucket, operation[j],
-				le32_to_cpu(log_data->active_bucket_counter[i][j]));
-		}
-		json_object_add_value_object(root, buf, bucket);
-	}
+	json_object_add_value_uint(root, "Active Latency Minimum Window",
+		C3_MINIMUM_WINDOW_INCREMENT *
+		le16_to_cpu(log_data->active_latency_min_window));
 
-	for (i = 0; i <= 3; i++) {
+	for (i = 0; i < C3_BUCKET_NUM; i++) {
 		struct json_object *bucket;
 
 		bucket = json_create_object();
-		sprintf(buf, "Active Measured Latency: Bucket %d", i);
-		for (j = 0; j <= 2; j++) {
+		sprintf(buf, "Active Bucket Counter: Bucket %d", i);
+		for (j = 2; j >= 0; j--) {
 			json_object_add_value_uint(bucket, operation[j],
-				le16_to_cpu(log_data->active_measured_latency[i][j]));
+				le32_to_cpu(log_data->active_bucket_counter[i][j+1]));
 		}
 		json_object_add_value_object(root, buf, bucket);
 	}
 
-	for (i = 0; i <= 3; i++) {
+	for (i = 0; i < C3_BUCKET_NUM; i++) {
 		struct json_object *bucket;
 
 		bucket = json_create_object();
 		sprintf(buf, "Active Latency Time Stamp: Bucket %d", i);
-		for (j = 0; j <= 2; j++) {
-			if (le64_to_cpu(log_data->active_latency_timestamp[i][j]) == -1)
+		for (j = 2; j >= 0; j--) {
+			if (le64_to_cpu(log_data->active_latency_timestamp[i][j]) == -1) {
 				json_object_add_value_string(bucket, operation[j], "NA");
-			else {
+			} else {
 				convert_ts(le64_to_cpu(log_data->active_latency_timestamp[i][j]), ts_buf);
 				json_object_add_value_string(bucket, operation[j], ts_buf);
 			}
@@ -310,39 +323,42 @@ static void ocp_print_C3_log_json(struct ssd_latency_monitor_log *log_data)
 		json_object_add_value_object(root, buf, bucket);
 	}
 
-	for (i = 0; i <= 3; i++) {
+	for (i = 0; i < C3_BUCKET_NUM; i++) {
 		struct json_object *bucket;
 
 		bucket = json_create_object();
-		sprintf(buf, "Static Bucket Counter: Bucket %d", i);
-		for (j = 0; j <= 2; j++) {
+		sprintf(buf, "Active Measured Latency: Bucket %d", i);
+		for (j = 2; j >= 0; j--) {
 			json_object_add_value_uint(bucket, operation[j],
-				le32_to_cpu(log_data->static_bucket_counter[i][j]));
+				le16_to_cpu(log_data->active_measured_latency[i][j]));
 		}
 		json_object_add_value_object(root, buf, bucket);
 	}
 
-	for (i = 0; i <= 3; i++) {
+	json_object_add_value_uint(root, "Active Latency Stamp Units",
+		le16_to_cpu(log_data->active_latency_stamp_units));
+
+	for (i = 0; i < C3_BUCKET_NUM; i++) {
 		struct json_object *bucket;
 
 		bucket = json_create_object();
-		sprintf(buf, "Static Measured Latency: Bucket %d", i);
-		for (j = 0; j <= 2; j++) {
+		sprintf(buf, "Static Bucket Counter: Bucket %d", i);
+		for (j = 2; j >= 0; j--) {
 			json_object_add_value_uint(bucket, operation[j],
-				le16_to_cpu(log_data->static_measured_latency[i][j]));
+				le32_to_cpu(log_data->static_bucket_counter[i][j+1]));
 		}
 		json_object_add_value_object(root, buf, bucket);
 	}
 
-	for (i = 0; i <= 3; i++) {
+	for (i = 0; i < C3_BUCKET_NUM; i++) {
 		struct json_object *bucket;
 
 		bucket = json_create_object();
 		sprintf(buf, "Static Latency Time Stamp: Bucket %d", i);
-		for (j = 0; j <= 2; j++) {
-			if (le64_to_cpu(log_data->static_latency_timestamp[i][j]) == -1)
+		for (j = 2; j >= 0; j--) {
+			if (le64_to_cpu(log_data->static_latency_timestamp[i][j]) == -1) {
 				json_object_add_value_string(bucket, operation[j], "NA");
-			else {
+			} else {
 				convert_ts(le64_to_cpu(log_data->static_latency_timestamp[i][j]), ts_buf);
 				json_object_add_value_string(bucket, operation[j], ts_buf);
 			}
@@ -350,6 +366,47 @@ static void ocp_print_C3_log_json(struct ssd_latency_monitor_log *log_data)
 		json_object_add_value_object(root, buf, bucket);
 	}
 
+	for (i = 0; i < C3_BUCKET_NUM; i++) {
+		struct json_object *bucket;
+
+		bucket = json_create_object();
+		sprintf(buf, "Static Measured Latency: Bucket %d", i);
+		for (j = 2; j >= 0; j--) {
+			json_object_add_value_uint(bucket, operation[j],
+				le16_to_cpu(log_data->static_measured_latency[i][j]));
+		}
+		json_object_add_value_object(root, buf, bucket);
+	}
+
+	json_object_add_value_uint(root, "Static Latency Stamp Units",
+		le16_to_cpu(log_data->static_latency_stamp_units));
+	json_object_add_value_uint(root, "Debug Log Trigger Enable",
+		le16_to_cpu(log_data->debug_log_trigger_enable));
+	json_object_add_value_uint(root, "Debug Log Measured Latency",
+		le16_to_cpu(log_data->debug_log_measured_latency));
+	if (le64_to_cpu(log_data->debug_log_latency_stamp) == -1) {
+		json_object_add_value_string(root, "Debug Log Latency Time Stamp", "NA");
+	} else {
+		convert_ts(le64_to_cpu(log_data->debug_log_latency_stamp), ts_buf);
+		json_object_add_value_string(root, "Debug Log Latency Time Stamp", ts_buf);
+	}
+	json_object_add_value_uint(root, "Debug Log Pointer",
+		le16_to_cpu(log_data->debug_log_ptr));
+	json_object_add_value_uint(root, "Debug Counter Trigger Source",
+		le16_to_cpu(log_data->debug_log_counter_trigger));
+	json_object_add_value_uint(root, "Debug Log Stamp Units",
+		le16_to_cpu(log_data->debug_log_stamp_units));
+	json_object_add_value_uint(root, "Log Page Version",
+		le16_to_cpu(log_data->log_page_version));
+
+	char guid[(C3_GUID_LENGTH * 2) + 1];
+	char *ptr = &guid[0];
+
+	for (i = C3_GUID_LENGTH - 1; i >= 0; i--)
+		ptr += sprintf(ptr, "%02X", log_data->log_page_guid[i]);
+
+	json_object_add_value_string(root, "Log Page GUID", guid);
+
 	json_print_object(root, NULL);
 	printf("\n");
 
@@ -381,12 +438,9 @@ static int get_c3_log_page(struct nvme_dev *dev, char *format)
 		C3_LATENCY_MON_LOG_BUF_LEN, data);
 
 	if (strcmp(format, "json"))
-		fprintf(stderr,
-			"NVMe Status:%s(%x)\n",
-			nvme_status_to_string(ret, false),
-			ret);
+		fprintf(stderr, "NVMe Status:%s(%x)\n", nvme_status_to_string(ret, false), ret);
 
-	if (ret == 0) {
+	if (!ret) {
 		log_data = (struct ssd_latency_monitor_log *)data;
 
 		/* check log page version */
@@ -397,22 +451,22 @@ static int get_c3_log_page(struct nvme_dev *dev, char *format)
 			goto out;
 		}
 
-		/* check log page guid */
-		/* Verify GUID matches */
+		/*
+		 * check log page guid
+		 * Verify GUID matches
+		 */
 		for (i = 0; i < 16; i++) {
 			if (lat_mon_guid[i] != log_data->log_page_guid[i]) {
 				int j;
 
 				fprintf(stderr, "ERROR : OCP : Unknown GUID in C3 Log Page data\n");
 				fprintf(stderr, "ERROR : OCP : Expected GUID: 0x");
-				for (j = 0; j < 16; j++) {
+				for (j = 0; j < 16; j++)
 					fprintf(stderr, "%x", lat_mon_guid[j]);
-				}
 
 				fprintf(stderr, "\nERROR : OCP : Actual GUID: 0x");
-				for (j = 0; j < 16; j++) {
+				for (j = 0; j < 16; j++)
 					fprintf(stderr, "%x", log_data->log_page_guid[j]);
-				}
 				fprintf(stderr, "\n");
 
 				ret = -1;
@@ -438,12 +492,6 @@ out:
 	return ret;
 }
 
-static int smart_add_log(int argc, char **argv, struct command *cmd,
-			 struct plugin *plugin)
-{
-	return ocp_smart_add_log(argc, argv, cmd, plugin);
-}
-
 static int ocp_latency_monitor_log(int argc, char **argv,
 				   struct command *command,
 				   struct plugin *plugin)
@@ -480,12 +528,142 @@ static int ocp_latency_monitor_log(int argc, char **argv,
 	return ret;
 }
 
-static int clear_fw_update_history(int argc, char **argv,
-				   struct command *cmd, struct plugin *plugin)
+int ocp_set_latency_monitor_feature(int argc, char **argv, struct command *cmd, struct plugin *plugin)
 {
-	return ocp_clear_fw_update_history(argc, argv, cmd, plugin);
+	int err = -1;
+	struct nvme_dev *dev;
+	__u32 result;
+	struct feature_latency_monitor buf = {0,};
+	__u32  nsid = NVME_NSID_ALL;
+	struct stat nvme_stat;
+	struct nvme_id_ctrl ctrl;
+
+	const char *desc = "Set Latency Monitor feature.";
+	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()
+	};
+
+	err = parse_and_open(&dev, argc, argv, desc, opts);
+	if (err)
+		return err;
+
+	err = fstat(dev_fd(dev), &nvme_stat);
+	if (err < 0)
+		return err;
+
+	if (S_ISBLK(nvme_stat.st_mode)) {
+		err = nvme_get_nsid(dev_fd(dev), &nsid);
+		if (err < 0) {
+			perror("invalid-namespace-id");
+			return err;
+		}
+	}
+
+	err = nvme_identify_ctrl(dev_fd(dev), &ctrl);
+	if (err)
+		return err;
+
+	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,
+	};
+
+	err = nvme_set_features(&args);
+	if (err < 0) {
+		perror("set-feature");
+	} else if (!err) {
+		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 (err > 0) {
+		fprintf(stderr, "NVMe Status:%s(%x)\n", nvme_status_to_string(err, false), err);
+	}
+
+	return err;
 }
 
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+/// EOL/PLP Failure Mode
+
 static const char *eol_plp_failure_mode_to_string(__u8 mode)
 {
 	switch (mode) {
@@ -524,14 +702,14 @@ static int eol_plp_failure_mode_get(struct nvme_dev *dev, const __u32 nsid,
 
 	err = nvme_get_features(&args);
 	if (!err) {
-		printf("End of Life Behavior (feature: %#0*x): %#0*x (%s: %s)\n",
-		       fid ? 4 : 2, fid, result ? 10 : 8, result,
-		       nvme_select_to_string(sel),
-		       eol_plp_failure_mode_to_string(result));
+		nvme_show_result("End of Life Behavior (feature: %#0*x): %#0*x (%s: %s)",
+				 fid ? 4 : 2, fid, result ? 10 : 8, result,
+				 nvme_select_to_string(sel),
+				 eol_plp_failure_mode_to_string(result));
 		if (sel == NVME_GET_FEATURES_SEL_SUPPORTED)
 			nvme_show_select_result(result);
 	} else {
-		printf("Could not get feature: %#0*x.\n", fid ? 4 : 2, fid);
+		nvme_show_error("Could not get feature: %#0*x.", fid ? 4 : 2, fid);
 	}
 
 	return err;
@@ -549,7 +727,7 @@ static int eol_plp_failure_mode_set(struct nvme_dev *dev, const __u32 nsid,
 		/* OCP 2.0 requires UUID index support */
 		err = ocp_get_uuid_index(dev, &uuid_index);
 		if (err || !uuid_index) {
-			fprintf(stderr, "ERROR: No OCP UUID index found\n");
+			nvme_show_error("ERROR: No OCP UUID index found");
 			return err;
 		}
 	}
@@ -575,13 +753,13 @@ static int eol_plp_failure_mode_set(struct nvme_dev *dev, const __u32 nsid,
 	if (err > 0) {
 		nvme_show_status(err);
 	} else if (err < 0) {
-		perror("Define EOL/PLP failure mode");
+		nvme_show_perror("Define EOL/PLP failure mode");
 		fprintf(stderr, "Command failed while parsing.\n");
 	} else {
-		printf("Successfully set mode (feature: %#0*x): %#0*x (%s: %s).\n",
-		       fid ? 4 : 2, fid, mode ? 10 : 8, mode,
-		       save ? "Save" : "Not save",
-		       eol_plp_failure_mode_to_string(mode));
+		nvme_show_result("Successfully set mode (feature: %#0*x): %#0*x (%s: %s).",
+				 fid ? 4 : 2, fid, mode ? 10 : 8, mode,
+				 save ? "Save" : "Not save",
+				 eol_plp_failure_mode_to_string(mode));
 	}
 
 	return err;
@@ -590,7 +768,7 @@ static int eol_plp_failure_mode_set(struct nvme_dev *dev, const __u32 nsid,
 static int eol_plp_failure_mode(int argc, char **argv, struct command *cmd,
 				struct plugin *plugin)
 {
-	const char *desc = "Define EOL or PLP circuitry failure mode.\n"\
+	const char *desc = "Define EOL or PLP circuitry failure mode.\n"
 			   "No argument prints current mode.";
 	const char *mode = "[0-3]: default/rom/wtm/normal";
 	const char *save = "Specifies that the controller shall save the attribute";
@@ -637,6 +815,1074 @@ static int eol_plp_failure_mode(int argc, char **argv, struct command *cmd,
 	return err;
 }
 
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+/// Telemetry Log
+
+#define TELEMETRY_HEADER_SIZE 512
+#define TELEMETRY_BYTE_PER_BLOCK 512
+#define TELEMETRY_TRANSFER_SIZE 1024
+#define FILE_NAME_SIZE 2048
+
+enum TELEMETRY_TYPE {
+	TELEMETRY_TYPE_NONE       = 0,
+	TELEMETRY_TYPE_HOST       = 7,
+	TELEMETRY_TYPE_CONTROLLER = 8,
+	TELEMETRY_TYPE_HOST_0     = 9,
+	TELEMETRY_TYPE_HOST_1     = 10,
+};
+
+struct telemetry_initiated_log {
+	__u8  LogIdentifier;
+	__u8  Reserved1[4];
+	__u8  IEEE[3];
+	__le16 DataArea1LastBlock;
+	__le16 DataArea2LastBlock;
+	__le16 DataArea3LastBlock;
+	__u8  Reserved2[368];
+	__u8  DataAvailable;
+	__u8  DataGenerationNumber;
+	__u8  ReasonIdentifier[128];
+};
+
+static void get_serial_number(struct nvme_id_ctrl *ctrl, char *sn)
+{
+	int i;
+	/* Remove trailing spaces from the name */
+	for (i = 0; i < sizeof(ctrl->sn); i++) {
+		if (ctrl->sn[i] == ' ')
+			break;
+		sn[i] = ctrl->sn[i];
+	}
+}
+
+static int get_telemetry_header(struct nvme_dev *dev, __u32 ns, __u8 tele_type,
+				__u32 data_len, void *data, __u8 nLSP, __u8 nRAE)
+{
+	struct nvme_passthru_cmd cmd = {
+		.opcode = nvme_admin_get_log_page,
+		.nsid = ns,
+		.addr = (__u64)(uintptr_t) data,
+		.data_len = data_len,
+	};
+
+	__u32 numd = (data_len >> 2) - 1;
+	__u16 numdu = numd >> 16;
+	__u16 numdl = numd & 0xffff;
+
+	cmd.cdw10 = tele_type | (nLSP & 0x0F) << 8 | (nRAE & 0x01) << 15 | (numdl & 0xFFFF) << 16;
+	cmd.cdw11 = numdu;
+	cmd.cdw12 = 0;
+	cmd.cdw13 = 0;
+	cmd.cdw14 = 0;
+
+	return nvme_submit_admin_passthru(dev_fd(dev), &cmd, NULL);
+}
+
+static void print_telemetry_header(struct telemetry_initiated_log *logheader,
+		int tele_type)
+{
+	if (logheader) {
+		unsigned int i = 0, j = 0;
+
+		if (tele_type == TELEMETRY_TYPE_HOST)
+			printf("============ Telemetry Host Header ============\n");
+		else
+			printf("========= Telemetry Controller Header =========\n");
+
+		printf("Log Identifier         : 0x%02X\n", logheader->LogIdentifier);
+		printf("IEEE                   : 0x%02X%02X%02X\n",
+			logheader->IEEE[0], logheader->IEEE[1], logheader->IEEE[2]);
+		printf("Data Area 1 Last Block : 0x%04X\n",
+			le16_to_cpu(logheader->DataArea1LastBlock));
+		printf("Data Area 2 Last Block : 0x%04X\n",
+			le16_to_cpu(logheader->DataArea2LastBlock));
+		printf("Data Area 3 Last Block : 0x%04X\n",
+			le16_to_cpu(logheader->DataArea3LastBlock));
+		printf("Data Available         : 0x%02X\n",	logheader->DataAvailable);
+		printf("Data Generation Number : 0x%02X\n",	logheader->DataGenerationNumber);
+		printf("Reason Identifier      :\n");
+
+		for (i = 0; i < 8; i++) {
+			for (j = 0; j < 16; j++)
+				printf("%02X ",	logheader->ReasonIdentifier[127 - ((i * 16) + j)]);
+			printf("\n");
+		}
+		printf("===============================================\n\n");
+	}
+}
+
+static int extract_dump_get_log(struct nvme_dev *dev, char *featurename, char *filename, char *sn,
+				int dumpsize, int transfersize, __u32 nsid, __u8 log_id,
+				__u8 lsp, __u64 offset, bool rae)
+{
+	int i = 0, err = 0;
+
+	char *data = calloc(transfersize, sizeof(char));
+	char filepath[FILE_NAME_SIZE] = {0,};
+	int output = 0;
+	int total_loop_cnt = dumpsize / transfersize;
+	int last_xfer_size = dumpsize % transfersize;
+
+	if (last_xfer_size)
+		total_loop_cnt++;
+	else
+		last_xfer_size = transfersize;
+
+	if (filename == 0)
+		snprintf(filepath, FILE_NAME_SIZE, "%s_%s.bin", featurename, sn);
+	else
+		snprintf(filepath, FILE_NAME_SIZE, "%s%s_%s.bin", filename, featurename, sn);
+
+	for (i = 0; i < total_loop_cnt; i++) {
+		memset(data, 0, transfersize);
+
+		struct nvme_get_log_args args = {
+			.lpo = offset,
+			.result = NULL,
+			.log = (void *)data,
+			.args_size = sizeof(args),
+			.fd = dev_fd(dev),
+			.lid = log_id,
+			.len = transfersize,
+			.nsid = nsid,
+			.lsp = lsp,
+			.uuidx = 0,
+			.rae = rae,
+			.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+			.csi = NVME_CSI_NVM,
+			.ot = false,
+		};
+
+		err = nvme_get_log(&args);
+		if (err) {
+			if (i > 0)
+				goto close_output;
+			else
+				goto end;
+		}
+
+		if (i != total_loop_cnt - 1) {
+			if (!i) {
+				output = open(filepath, O_WRONLY | O_CREAT | O_TRUNC, 0666);
+				if (output < 0) {
+					err = -13;
+					goto end;
+				}
+			}
+			if (write(output, data, transfersize) < 0) {
+				err = -10;
+				goto close_output;
+			}
+		} else {
+			if (write(output, data, last_xfer_size) < 0) {
+				err = -10;
+				goto close_output;
+			}
+		}
+		offset += transfersize;
+		printf("%d%%\r", (i + 1) * 100 / total_loop_cnt);
+	}
+	printf("100%%\nThe log file was saved at \"%s\"\n", filepath);
+
+close_output:
+	close(output);
+
+end:
+	free(data);
+	return err;
+}
+
+static int get_telemetry_dump(struct nvme_dev *dev, char *filename, char *sn,
+			      enum TELEMETRY_TYPE tele_type, int data_area, bool header_print)
+{
+	__u32 err = 0, nsid = 0;
+	__u8 lsp = 0, rae = 0;
+	char data[TELEMETRY_TRANSFER_SIZE] = { 0 };
+	char *featurename = 0;
+	struct telemetry_initiated_log *logheader = (struct telemetry_initiated_log *)data;
+	__u64 offset = 0, size = 0;
+	char dumpname[FILE_NAME_SIZE] = { 0 };
+
+	if (tele_type == TELEMETRY_TYPE_HOST_0) {
+		featurename = "Host(0)";
+		lsp = 0;
+		rae = 0;
+		tele_type = TELEMETRY_TYPE_HOST;
+	} else if (tele_type == TELEMETRY_TYPE_HOST_1) {
+		featurename = "Host(1)";
+		lsp = 1;
+		rae = 0;
+		tele_type = TELEMETRY_TYPE_HOST;
+	} else {
+		featurename = "Controller";
+		lsp = 0;
+		rae = 1;
+	}
+
+	err = get_telemetry_header(dev, nsid, tele_type, TELEMETRY_HEADER_SIZE,
+				(void *)data, lsp, rae);
+	if (err)
+		return err;
+
+	if (header_print)
+		print_telemetry_header(logheader, tele_type);
+
+	switch (data_area) {
+	case 1:
+		offset  = TELEMETRY_HEADER_SIZE;
+		size    = le16_to_cpu(logheader->DataArea1LastBlock);
+		break;
+	case 2:
+		offset  = TELEMETRY_HEADER_SIZE
+				+ (le16_to_cpu(logheader->DataArea1LastBlock) * TELEMETRY_BYTE_PER_BLOCK);
+		size    = le16_to_cpu(logheader->DataArea2LastBlock)
+				- le16_to_cpu(logheader->DataArea1LastBlock);
+		break;
+	case 3:
+		offset  = TELEMETRY_HEADER_SIZE
+				+ (le16_to_cpu(logheader->DataArea2LastBlock) * TELEMETRY_BYTE_PER_BLOCK);
+		size    = le16_to_cpu(logheader->DataArea3LastBlock)
+				- le16_to_cpu(logheader->DataArea2LastBlock);
+		break;
+	default:
+		break;
+	}
+
+	if (!size) {
+		printf("Telemetry %s Area %d is empty.\n", featurename, data_area);
+		return err;
+	}
+
+	snprintf(dumpname, FILE_NAME_SIZE,
+					"Telemetry_%s_Area_%d", featurename, data_area);
+	err = extract_dump_get_log(dev, dumpname, filename, sn, size * TELEMETRY_BYTE_PER_BLOCK,
+			TELEMETRY_TRANSFER_SIZE, nsid, tele_type,
+			0, offset, rae);
+
+	return err;
+}
+
+static int ocp_telemetry_log(int argc, char **argv, struct command *cmd,
+			      struct plugin *plugin)
+{
+	struct nvme_dev *dev;
+	int err = 0;
+	const char *desc = "Retrieve and save telemetry log.";
+	const char *type = "Telemetry Type; 'host[Create bit]' or 'controller'";
+	const char *area = "Telemetry Data Area; 1 or 3";
+	const char *file = "Output file name with path;\n"
+			"e.g. '-o ./path/name'\n'-o ./path1/path2/';\n"
+			"If requested path does not exist, the directory will be newly created.";
+
+	__u32  nsid = NVME_NSID_ALL;
+	struct stat nvme_stat;
+	char sn[21] = {0,};
+	struct nvme_id_ctrl ctrl;
+	bool is_support_telemetry_controller;
+
+	int tele_type = 0;
+	int tele_area = 0;
+
+	struct config {
+		char *type;
+		int area;
+		char *file;
+	};
+
+	struct config cfg = {
+		.type = NULL,
+		.area = 0,
+		.file = NULL,
+	};
+
+	OPT_ARGS(opts) = {
+		OPT_STR("telemetry_type", 't', &cfg.type, type),
+		OPT_INT("telemetry_data_area", 'a', &cfg.area, area),
+		OPT_FILE("output-file", 'o', &cfg.file, file),
+		OPT_END()
+	};
+
+	err = parse_and_open(&dev, argc, argv, desc, opts);
+	if (err)
+		return err;
+
+	err = fstat(dev_fd(dev), &nvme_stat);
+	if (err < 0)
+		return err;
+
+	if (S_ISBLK(nvme_stat.st_mode)) {
+		err = nvme_get_nsid(dev_fd(dev), &nsid);
+		if (err < 0)
+			return err;
+	}
+
+	err = nvme_identify_ctrl(dev_fd(dev), &ctrl);
+	if (err)
+		return err;
+
+	get_serial_number(&ctrl, sn);
+
+	is_support_telemetry_controller = ((ctrl.lpa & 0x8) >> 3);
+
+	if (!cfg.type && !cfg.area) {
+		tele_type = TELEMETRY_TYPE_NONE;
+		tele_area = 0;
+	} else if (cfg.type && cfg.area) {
+		if (!strcmp(cfg.type, "host0"))
+			tele_type = TELEMETRY_TYPE_HOST_0;
+		else if (!strcmp(cfg.type, "host1"))
+			tele_type = TELEMETRY_TYPE_HOST_1;
+		else if	(!strcmp(cfg.type, "controller"))
+			tele_type = TELEMETRY_TYPE_CONTROLLER;
+
+		tele_area = cfg.area;
+
+		if ((tele_area != 1 && tele_area != 3) ||
+			(tele_type == TELEMETRY_TYPE_CONTROLLER && tele_area != 3)) {
+			printf("\nUnsupported parameters entered.\n");
+			printf("Possible combinations; {'host0',1}, {'host0',3}, {'host1',1}, {'host1',3}, {'controller',3}\n");
+			return err;
+		}
+	} else {
+		printf("\nShould provide these all; 'telemetry_type' and 'telemetry_data_area'\n");
+		return err;
+	}
+
+	if (tele_type == TELEMETRY_TYPE_NONE) {
+		printf("\n-------------------------------------------------------------\n");
+		/* Host 0 (lsp == 0) must be executed before Host 1 (lsp == 1). */
+		printf("\nExtracting Telemetry Host 0 Dump (Data Area 1)...\n");
+
+		err = get_telemetry_dump(dev, cfg.file, sn,
+				TELEMETRY_TYPE_HOST_0, 1, true);
+		if (err)
+			fprintf(stderr, "NVMe Status: %s(%x)\n", nvme_status_to_string(err, false), err);
+
+		printf("\n-------------------------------------------------------------\n");
+
+		printf("\nExtracting Telemetry Host 0 Dump (Data Area 3)...\n");
+
+		err = get_telemetry_dump(dev, cfg.file, sn,
+				TELEMETRY_TYPE_HOST_0, 3, false);
+		if (err)
+			fprintf(stderr, "NVMe Status: %s(%x)\n", nvme_status_to_string(err, false), err);
+
+		printf("\n-------------------------------------------------------------\n");
+
+		printf("\nExtracting Telemetry Host 1 Dump (Data Area 1)...\n");
+
+		err = get_telemetry_dump(dev, cfg.file, sn,
+				TELEMETRY_TYPE_HOST_1, 1, true);
+		if (err)
+			fprintf(stderr, "NVMe Status: %s(%x)\n", nvme_status_to_string(err, false), err);
+
+		printf("\n-------------------------------------------------------------\n");
+
+		printf("\nExtracting Telemetry Host 1 Dump (Data Area 3)...\n");
+
+		err = get_telemetry_dump(dev, cfg.file, sn,
+				TELEMETRY_TYPE_HOST_1, 3, false);
+		if (err)
+			fprintf(stderr, "NVMe Status: %s(%x)\n", nvme_status_to_string(err, false), err);
+
+		printf("\n-------------------------------------------------------------\n");
+
+		printf("\nExtracting Telemetry Controller Dump (Data Area 3)...\n");
+
+		if (is_support_telemetry_controller == true) {
+			err = get_telemetry_dump(dev, cfg.file, sn,
+					TELEMETRY_TYPE_CONTROLLER, 3, true);
+			if (err)
+				fprintf(stderr, "NVMe Status: %s(%x)\n", nvme_status_to_string(err, false), err);
+		}
+
+		printf("\n-------------------------------------------------------------\n");
+	} else if (tele_type == TELEMETRY_TYPE_CONTROLLER) {
+		printf("Extracting Telemetry Controller Dump (Data Area %d)...\n", tele_area);
+
+		if (is_support_telemetry_controller == true) {
+			err = get_telemetry_dump(dev, cfg.file, sn, tele_type, tele_area, true);
+			if (err)
+				fprintf(stderr, "NVMe Status: %s(%x)\n", nvme_status_to_string(err, false), err);
+		}
+	} else {
+		printf("Extracting Telemetry Host(%d) Dump (Data Area %d)...\n",
+				(tele_type == TELEMETRY_TYPE_HOST_0) ? 0 : 1, tele_area);
+
+		err = get_telemetry_dump(dev, cfg.file, sn, tele_type, tele_area, true);
+		if (err)
+			fprintf(stderr, "NVMe Status: %s(%x)\n", nvme_status_to_string(err, false), err);
+	}
+
+	printf("telemetry-log done.\n");
+
+return err;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+/// Unsupported Requirement Log Page (LID : C5h)
+
+/* C5 Unsupported Requirement Log Page */
+#define C5_GUID_LENGTH                     16
+#define C5_UNSUPPORTED_REQS_LEN            4096
+#define C5_UNSUPPORTED_REQS_OPCODE         0xC5
+#define C5_UNSUPPORTED_REQS_LOG_VERSION    0x1
+#define C5_NUM_UNSUPPORTED_REQ_ENTRIES     253
+
+static __u8 unsupported_req_guid[C5_GUID_LENGTH] = {
+	0x2F, 0x72, 0x9C, 0x0E,
+	0x99, 0x23, 0x2C, 0xBB,
+	0x63, 0x48, 0x32, 0xD0,
+	0xB7, 0x98, 0xBB, 0xC7
+};
+
+/*
+ * struct unsupported_requirement_log - unsupported requirement list
+ * @unsupported_count:        Number of Unsupported Requirement IDs
+ * @rsvd1:                    Reserved
+ * @unsupported_req_list:     Unsupported Requirements lists upto 253.
+ * @rsvd2:                    Reserved
+ * @log_page_version:         indicates the version of the mapping this log page uses.
+ *                            Shall be set to 0001h
+ * @log_page_guid:            Shall be set to C7BB98B7D0324863BB2C23990E9C722Fh.
+ */
+struct __packed unsupported_requirement_log {
+	__le16  unsupported_count;
+	__u8    rsvd1[14];
+	__u8    unsupported_req_list[C5_NUM_UNSUPPORTED_REQ_ENTRIES][16];
+	__u8    rsvd2[14];
+	__le16  log_page_version;
+	__u8    log_page_guid[C5_GUID_LENGTH];
+};
+
+/* Function declaration for unsupported requirement log page (LID:C5h) */
+static int ocp_unsupported_requirements_log(int argc, char **argv, struct command *cmd,
+					    struct plugin *plugin);
+
+static int ocp_print_C5_log_normal(struct nvme_dev *dev,
+				   struct unsupported_requirement_log *log_data)
+{
+	int j;
+
+	printf("Unsupported Requirement-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 = C5_GUID_LENGTH - 1; j >= 0; j--)
+		printf("%x", log_data->log_page_guid[j]);
+	printf("\n");
+
+	return 0;
+}
+
+static void ocp_print_C5_log_json(struct unsupported_requirement_log *log_data)
+{
+	int j;
+	struct json_object *root;
+	char unsup_req_list_str[40];
+	char guid_buf[C5_GUID_LENGTH];
+	char *guid = guid_buf;
+
+	root = json_create_object();
+
+	json_object_add_value_int(root, "Number Unsupported Req IDs", le16_to_cpu(log_data->unsupported_count));
+
+	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));
+
+	memset((void *)guid, 0, C5_GUID_LENGTH);
+	for (j = C5_GUID_LENGTH - 1; j >= 0; j--)
+		guid += sprintf(guid, "%02x", log_data->log_page_guid[j]);
+	json_object_add_value_string(root, "Log page GUID", guid_buf);
+
+	json_print_object(root, NULL);
+	printf("\n");
+
+	json_free_object(root);
+}
+
+static void ocp_print_c5_log_binary(struct unsupported_requirement_log *log_data)
+{
+	return d_raw((unsigned char *)log_data, sizeof(*log_data));
+}
+
+static int get_c5_log_page(struct nvme_dev *dev, char *format)
+{
+	int ret = 0;
+	int fmt = -1;
+	__u8 *data;
+	int i;
+	struct unsupported_requirement_log *log_data;
+	int j;
+
+	fmt = validate_output_format(format);
+	if (fmt < 0) {
+		fprintf(stderr, "ERROR : OCP : invalid output format\n");
+		return fmt;
+	}
+
+	data = (__u8 *)malloc(sizeof(__u8) * C5_UNSUPPORTED_REQS_LEN);
+	if (!data) {
+		fprintf(stderr, "ERROR : OCP : malloc : %s\n", strerror(errno));
+		return -1;
+	}
+	memset(data, 0, sizeof(__u8) * C5_UNSUPPORTED_REQS_LEN);
+
+	ret = nvme_get_log_simple(dev_fd(dev), C5_UNSUPPORTED_REQS_OPCODE,
+				  C5_UNSUPPORTED_REQS_LEN, data);
+	if (!ret) {
+		log_data = (struct unsupported_requirement_log *)data;
+
+		/* check log page version */
+		if (log_data->log_page_version != C5_UNSUPPORTED_REQS_LOG_VERSION) {
+			fprintf(stderr, "ERROR : OCP : invalid unsupported requirement version\n");
+			ret = -1;
+			goto out;
+		}
+
+		/*
+		 * check log page guid
+		 * Verify GUID matches
+		 */
+		for (i = 0; i < 16; i++) {
+			if (unsupported_req_guid[i] != log_data->log_page_guid[i]) {
+				fprintf(stderr, "ERROR : OCP : Unknown GUID in C5 Log Page data\n");
+				fprintf(stderr, "ERROR : OCP : Expected GUID: 0x");
+				for (j = 0; j < 16; j++)
+					fprintf(stderr, "%x", unsupported_req_guid[j]);
+				fprintf(stderr, "\nERROR : OCP : 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;
+			}
+		}
+
+		switch (fmt) {
+		case NORMAL:
+			ocp_print_C5_log_normal(dev, log_data);
+			break;
+		case JSON:
+			ocp_print_C5_log_json(log_data);
+			break;
+		case BINARY:
+			ocp_print_c5_log_binary(log_data);
+			break;
+		}
+	} else {
+		fprintf(stderr, "ERROR : OCP : Unable to read C3 data from buffer\n");
+	}
+
+out:
+	free(data);
+	return ret;
+}
+
+
+static int ocp_unsupported_requirements_log(int argc, char **argv, struct command *cmd,
+					    struct plugin *plugin)
+{
+	const char *desc = "Retrieve unsupported requirements log data.";
+	struct nvme_dev *dev;
+	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;
+
+	ret = get_c5_log_page(dev, cfg.output_format);
+	if (ret)
+		fprintf(stderr, "ERROR : OCP : Failure reading the C5 Log Page, ret = %d\n", ret);
+
+	dev_close(dev);
+	return ret;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+/// Error Recovery Log Page(0xC1)
+
+#define C1_ERROR_RECOVERY_LOG_BUF_LEN       0x200
+#define C1_ERROR_RECOVERY_OPCODE            0xC1
+#define C1_ERROR_RECOVERY_VERSION           0x0002
+#define C1_GUID_LENGTH                      16
+static __u8 error_recovery_guid[C1_GUID_LENGTH] = {
+	0x44, 0xd9, 0x31, 0x21,
+	0xfe, 0x30, 0x34, 0xae,
+	0xab, 0x4d, 0xfd, 0x3d,
+	0xba, 0x83, 0x19, 0x5a
+};
+
+/**
+ * struct ocp_error_recovery_log_page -	Error Recovery Log Page
+ * @panic_reset_wait_time:		Panic Reset Wait Time
+ * @panic_reset_action:			Panic Reset Action
+ * @device_recover_action_1:		Device Recovery Action 1
+ * @panic_id:				Panic ID
+ * @device_capabilities:		Device Capabilities
+ * @vendor_specific_recovery_opcode:	Vendor Specific Recovery Opcode
+ * @reserved:				Reserved
+ * @vendor_specific_command_cdw12:	Vendor Specific Command CDW12
+ * @vendor_specific_command_cdw13:	Vendor Specific Command CDW13
+ * @vendor_specific_command_timeout:	Vendor Specific Command Timeout
+ * @device_recover_action_2:		Device Recovery Action 2
+ * @device_recover_action_2_timeout:	Device Recovery Action 2 Timeout
+ * @reserved2:				Reserved
+ * @log_page_version:			Log Page Version
+ * @log_page_guid:			Log Page GUID
+ */
+struct __packed ocp_error_recovery_log_page {
+	__le16  panic_reset_wait_time;                   /* 2 bytes      - 0x00 - 0x01 */
+	__u8    panic_reset_action;                      /* 1 byte       - 0x02 */
+	__u8    device_recover_action_1;                 /* 1 byte       - 0x03 */
+	__le64  panic_id;                                /* 8 bytes      - 0x04 - 0x0B */
+	__le32  device_capabilities;                     /* 4 bytes      - 0x0C - 0x0F */
+	__u8    vendor_specific_recovery_opcode;         /* 1 byte       - 0x10 */
+	__u8    reserved[0x3];                           /* 3 bytes      - 0x11 - 0x13 */
+	__le32  vendor_specific_command_cdw12;           /* 4 bytes      - 0x14 - 0x17 */
+	__le32  vendor_specific_command_cdw13;           /* 4 bytes      - 0x18 - 0x1B */
+	__u8    vendor_specific_command_timeout;         /* 1 byte       - 0x1C */
+	__u8    device_recover_action_2;                 /* 1 byte       - 0x1D */
+	__u8    device_recover_action_2_timeout;         /* 1 byte       - 0x1E */
+	__u8    reserved2[0x1cf];                        /* 463 bytes    - 0x1F - 0x1ED */
+	__le16  log_page_version;                        /* 2 bytes      - 0x1EE - 0x1EF */
+	__u8    log_page_guid[0x10];                     /* 16 bytes     - 0x1F0 - 0x1FF */
+};
+
+static void ocp_print_c1_log_normal(struct ocp_error_recovery_log_page *log_data);
+static void ocp_print_c1_log_json(struct ocp_error_recovery_log_page *log_data);
+static void ocp_print_c1_log_binary(struct ocp_error_recovery_log_page *log_data);
+static int get_c1_log_page(struct nvme_dev *dev, char *format);
+static int ocp_error_recovery_log(int argc, char **argv, struct command *cmd, struct plugin *plugin);
+
+static void ocp_print_c1_log_normal(struct ocp_error_recovery_log_page *log_data)
+{
+	int i;
+
+	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->device_recover_action_1);
+	printf("  Panic ID                          : 0x%x\n", le32_to_cpu(log_data->panic_id));
+	printf("  Device Capabilities               : 0x%x\n", le32_to_cpu(log_data->device_capabilities));
+	printf("  Vendor Specific Recovery Opcode   : 0x%x\n", log_data->vendor_specific_recovery_opcode);
+	printf("  Vendor Specific Command CDW12     : 0x%x\n", le32_to_cpu(log_data->vendor_specific_command_cdw12));
+	printf("  Vendor Specific Command CDW13     : 0x%x\n", le32_to_cpu(log_data->vendor_specific_command_cdw13));
+	printf("  Vendor Specific Command Timeout   : 0x%x\n", log_data->vendor_specific_command_timeout);
+	printf("  Device Recovery Action 2          : 0x%x\n", log_data->device_recover_action_2);
+	printf("  Device Recovery Action 2 Timeout  : 0x%x\n", log_data->device_recover_action_2_timeout);
+	printf("  Log Page Version                  : 0x%x\n", le16_to_cpu(log_data->log_page_version));
+	printf("  Log page GUID			    : 0x");
+	for (i = C1_GUID_LENGTH - 1; i >= 0; i--)
+		printf("%x", log_data->log_page_guid[i]);
+	printf("\n");
+}
+
+static void ocp_print_c1_log_json(struct ocp_error_recovery_log_page *log_data)
+{
+	struct json_object *root;
+
+	root = json_create_object();
+	char guid[64];
+
+	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_action);
+	json_object_add_value_int(root, "Device Recovery Action 1", log_data->device_recover_action_1);
+	json_object_add_value_int(root, "Panic ID", le32_to_cpu(log_data->panic_id));
+	json_object_add_value_int(root, "Device Capabilities", le32_to_cpu(log_data->device_capabilities));
+	json_object_add_value_int(root, "Vendor Specific Recovery Opcode", log_data->vendor_specific_recovery_opcode);
+	json_object_add_value_int(root, "Vendor Specific Command CDW12", le32_to_cpu(log_data->vendor_specific_command_cdw12));
+	json_object_add_value_int(root, "Vendor Specific Command CDW13", le32_to_cpu(log_data->vendor_specific_command_cdw13));
+	json_object_add_value_int(root, "Vendor Specific Command Timeout", log_data->vendor_specific_command_timeout);
+	json_object_add_value_int(root, "Device Recovery Action 2", log_data->device_recover_action_2);
+	json_object_add_value_int(root, "Device Recovery Action 2 Timeout", log_data->device_recover_action_2_timeout);
+	json_object_add_value_int(root, "Log Page Version", le16_to_cpu(log_data->log_page_version));
+
+	memset((void *)guid, 0, 64);
+	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 ocp_print_c1_log_binary(struct ocp_error_recovery_log_page *log_data)
+{
+	return d_raw((unsigned char *)log_data, sizeof(*log_data));
+}
+
+static int get_c1_log_page(struct nvme_dev *dev, char *format)
+{
+	int ret = 0;
+	int fmt = -1;
+	__u8 *data;
+	int i, j;
+	struct ocp_error_recovery_log_page *log_data;
+
+	fmt = validate_output_format(format);
+	if (fmt < 0) {
+		fprintf(stderr, "ERROR : OCP : invalid output format\n");
+		return fmt;
+	}
+
+	data = (__u8 *)malloc(sizeof(__u8) * C1_ERROR_RECOVERY_LOG_BUF_LEN);
+	if (!data) {
+		fprintf(stderr, "ERROR : OCP : malloc : %s\n", strerror(errno));
+		return -1;
+	}
+	memset(data, 0, sizeof(__u8) * C1_ERROR_RECOVERY_LOG_BUF_LEN);
+
+	ret = nvme_get_log_simple(dev_fd(dev), C1_ERROR_RECOVERY_OPCODE, C1_ERROR_RECOVERY_LOG_BUF_LEN, data);
+
+	if (!ret) {
+		log_data = (struct ocp_error_recovery_log_page *)data;
+
+		/* check log page version */
+		if (log_data->log_page_version != C1_ERROR_RECOVERY_VERSION) {
+			fprintf(stderr, "ERROR : OCP : invalid error recovery log page version\n");
+			ret = -1;
+			goto out;
+		}
+
+		/*
+		 * check log page guid
+		 * Verify GUID matches
+		 */
+		for (i = 0; i < 16; i++) {
+			if (error_recovery_guid[i] != log_data->log_page_guid[i]) {
+				fprintf(stderr, "ERROR : OCP : Unknown GUID in C1 Log Page data\n");
+				fprintf(stderr, "ERROR : OCP : Expected GUID: 0x");
+				for (j = 0; j < 16; j++)
+					fprintf(stderr, "%x", error_recovery_guid[j]);
+				fprintf(stderr, "\nERROR : OCP : 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;
+			}
+		}
+
+		switch (fmt) {
+		case NORMAL:
+			ocp_print_c1_log_normal(log_data);
+			break;
+		case JSON:
+			ocp_print_c1_log_json(log_data);
+			break;
+		case BINARY:
+			ocp_print_c1_log_binary(log_data);
+			break;
+		}
+	} else {
+		fprintf(stderr, "ERROR : OCP : Unable to read C1 data from buffer\n");
+	}
+
+out:
+	free(data);
+	return ret;
+}
+
+static int ocp_error_recovery_log(int argc, char **argv, struct command *cmd, struct plugin *plugin)
+{
+	const char *desc = "Retrieve C1h Error Recovery Log data.";
+	struct nvme_dev *dev;
+	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|binary"),
+		OPT_END()
+	};
+
+	ret = parse_and_open(&dev, argc, argv, desc, opts);
+	if (ret)
+		return ret;
+
+	ret = get_c1_log_page(dev, cfg.output_format);
+	if (ret)
+		fprintf(stderr, "ERROR : OCP : Failure reading the C1h Log Page, ret = %d\n", ret);
+	dev_close(dev);
+	return ret;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+/// Device Capabilities (Log Identifier C4h) Requirements
+
+#define C4_DEV_CAP_REQ_LEN			0x1000
+#define C4_DEV_CAP_REQ_OPCODE		0xC4
+#define C4_DEV_CAP_REQ_VERSION		0x0001
+#define C4_GUID_LENGTH				16
+static __u8 dev_cap_req_guid[C4_GUID_LENGTH] = {
+	0x97, 0x42, 0x05, 0x0d,
+	0xd1, 0xe1, 0xc9, 0x98,
+	0x5d, 0x49, 0x58, 0x4b,
+	0x91, 0x3c, 0x05, 0xb7
+};
+
+/**
+ * struct ocp_device_capabilities_log_page -	Device Capability Log page
+ * @pcie_exp_port:						PCI Express Ports
+ * @oob_management_support:				OOB Management Support
+ * @wz_cmd_support:						Write Zeroes Command Support
+ * @sanitize_cmd_support:				Sanitize Command Support
+ * @dsm_cmd_support:					Dataset Management Command Support
+ * @wu_cmd_support:						Write Uncorrectable Command Support
+ * @fused_operation_support:			Fused Operation Support
+ * @min_valid_dssd_pwr_state:			Minimum Valid DSSD Power State
+ * @dssd_pwr_state_desc:				DSSD Power State Descriptors
+ * @vendor_specific_command_timeout:	Vendor Specific Command Timeout
+ * @reserved:							Reserved
+ * @log_page_version:					Log Page Version
+ * @log_page_guid:						Log Page GUID
+ */
+struct __packed ocp_device_capabilities_log_page {
+	__le16  pcie_exp_port;
+	__le16  oob_management_support;
+	__le16  wz_cmd_support;
+	__le16  sanitize_cmd_support;
+	__le16  dsm_cmd_support;
+	__le16  wu_cmd_support;
+	__le16  fused_operation_support;
+	__le16  min_valid_dssd_pwr_state;
+	__u8    dssd_pwr_state_desc[128];
+	__u8    reserved[3934];
+	__le16  log_page_version;
+	__u8    log_page_guid[16];
+};
+
+static void ocp_print_c4_log_normal(struct ocp_device_capabilities_log_page *log_data);
+static void ocp_print_c4_log_json(struct ocp_device_capabilities_log_page *log_data);
+static void ocp_print_c4_log_binary(struct ocp_device_capabilities_log_page *log_data);
+static int get_c4_log_page(struct nvme_dev *dev, char *format);
+static int ocp_device_capabilities_log(int argc, char **argv, struct command *cmd, struct plugin *plugin);
+
+static void ocp_print_c4_log_normal(struct ocp_device_capabilities_log_page *log_data)
+{
+	int i;
+
+	printf("  Device Capability/C4 Log Page Data\n");
+	printf("  PCI Express Ports						: 0x%x\n", le16_to_cpu(log_data->pcie_exp_port));
+	printf("  OOB Management Support				: 0x%x\n", le16_to_cpu(log_data->oob_management_support));
+	printf("  Write Zeroes Command Support			: 0x%x\n", le16_to_cpu(log_data->wz_cmd_support));
+	printf("  Sanitize Command Support				: 0x%x\n", le16_to_cpu(log_data->sanitize_cmd_support));
+	printf("  Dataset Management Command Support	: 0x%x\n", le16_to_cpu(log_data->dsm_cmd_support));
+	printf("  Write Uncorrectable Command Support	: 0x%x\n", le16_to_cpu(log_data->wu_cmd_support));
+	printf("  Fused Operation Support				: 0x%x\n", le16_to_cpu(log_data->fused_operation_support));
+	printf("  Minimum Valid DSSD Power State		: 0x%x\n", le16_to_cpu(log_data->min_valid_dssd_pwr_state));
+	printf("  DSSD Power State Descriptors					: 0x");
+	for (i = 0; i <= 127; i++)
+		printf("%x", log_data->dssd_pwr_state_desc[i]);
+	printf("\n");
+	printf("  Log Page Version						: 0x%x\n", le16_to_cpu(log_data->log_page_version));
+	printf("  Log page GUID							: 0x");
+	for (i = C4_GUID_LENGTH - 1; i >= 0; i--)
+		printf("%x", log_data->log_page_guid[i]);
+	printf("\n");
+}
+
+static void ocp_print_c4_log_json(struct ocp_device_capabilities_log_page *log_data)
+{
+	struct json_object *root = json_create_object();
+	char guid[64];
+	int i;
+
+	json_object_add_value_int(root, "PCI Express Ports", le16_to_cpu(log_data->pcie_exp_port));
+	json_object_add_value_int(root, "OOB Management Support", le16_to_cpu(log_data->oob_management_support));
+	json_object_add_value_int(root, "Write Zeroes Command Support", le16_to_cpu(log_data->wz_cmd_support));
+	json_object_add_value_int(root, "Sanitize Command Support", le16_to_cpu(log_data->sanitize_cmd_support));
+	json_object_add_value_int(root, "Dataset Management Command Support", le16_to_cpu(log_data->dsm_cmd_support));
+	json_object_add_value_int(root, "Write Uncorrectable Command Support", le16_to_cpu(log_data->wu_cmd_support));
+	json_object_add_value_int(root, "Fused Operation Support", le16_to_cpu(log_data->fused_operation_support));
+	json_object_add_value_int(root, "Minimum Valid DSSD Power State", le16_to_cpu(log_data->min_valid_dssd_pwr_state));
+	for (i = 0; i <= 127; i++)
+		json_object_add_value_int(root, "DSSD Power State Descriptors", log_data->dssd_pwr_state_desc[i]);
+	json_object_add_value_int(root, "Log Page Version", le16_to_cpu(log_data->log_page_version));
+
+	memset((void *)guid, 0, 64);
+	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 ocp_print_c4_log_binary(struct ocp_device_capabilities_log_page *log_data)
+{
+	return d_raw((unsigned char *)log_data, sizeof(*log_data));
+}
+
+static int get_c4_log_page(struct nvme_dev *dev, char *format)
+{
+	int ret = 0;
+	int fmt = -1;
+	__u8 *data;
+	int i, j;
+	struct ocp_device_capabilities_log_page *log_data;
+
+	fmt = validate_output_format(format);
+	if (fmt < 0) {
+		fprintf(stderr, "ERROR : OCP : invalid output format\n");
+		return fmt;
+	}
+
+	data = (__u8 *)malloc(sizeof(__u8) * C4_DEV_CAP_REQ_LEN);
+	if (!data) {
+		fprintf(stderr, "ERROR : OCP : malloc : %s\n", strerror(errno));
+		return -1;
+	}
+	memset(data, 0, sizeof(__u8) * C4_DEV_CAP_REQ_LEN);
+
+	ret = nvme_get_log_simple(dev_fd(dev), C4_DEV_CAP_REQ_OPCODE, C4_DEV_CAP_REQ_LEN, data);
+
+	if (!ret) {
+		log_data = (struct ocp_device_capabilities_log_page *)data;
+
+		/* check log page version */
+		if (log_data->log_page_version != C4_DEV_CAP_REQ_VERSION) {
+			fprintf(stderr, "ERROR : OCP : invalid device capabilities log page version\n");
+			ret = -1;
+			goto out;
+		}
+
+		/*
+		 * check log page guid
+		 * Verify GUID matches
+		 */
+		for (i = 0; i < 16; i++) {
+			if (dev_cap_req_guid[i] != log_data->log_page_guid[i]) {
+				fprintf(stderr, "ERROR : OCP : Unknown GUID in C4 Log Page data\n");
+				fprintf(stderr, "ERROR : OCP : Expected GUID: 0x");
+				for (j = 0; j < 16; j++)
+					fprintf(stderr, "%x", dev_cap_req_guid[j]);
+				fprintf(stderr, "\nERROR : OCP : 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;
+			}
+		}
+
+		switch (fmt) {
+		case NORMAL:
+			ocp_print_c4_log_normal(log_data);
+			break;
+		case JSON:
+			ocp_print_c4_log_json(log_data);
+			break;
+		case BINARY:
+			ocp_print_c4_log_binary(log_data);
+			break;
+		}
+	} else {
+		fprintf(stderr, "ERROR : OCP : Unable to read C4 data from buffer\n");
+	}
+
+out:
+	free(data);
+	return ret;
+}
+
+static int ocp_device_capabilities_log(int argc, char **argv, struct command *cmd, struct plugin *plugin)
+{
+	const char *desc = "Retrieve C4h Device Capabilities Log data.";
+	struct nvme_dev *dev;
+	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|binary"),
+		OPT_END()
+	};
+
+	ret = parse_and_open(&dev, argc, argv, desc, opts);
+	if (ret)
+		return ret;
+
+	ret = get_c4_log_page(dev, cfg.output_format);
+	if (ret)
+		fprintf(stderr, "ERROR : OCP : Failure reading the C4h Log Page, ret = %d\n", ret);
+	dev_close(dev);
+	return ret;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+/// Misc
+
+static const __u8 OCP_FID_CLEAR_PCIE_CORRECTABLE_ERROR_COUNTERS = 0xC3;
+
+static int clear_fw_update_history(int argc, char **argv,
+				   struct command *cmd, struct plugin *plugin)
+{
+	return ocp_clear_fw_update_history(argc, argv, cmd, plugin);
+}
+
+static int smart_add_log(int argc, char **argv, struct command *cmd,
+			 struct plugin *plugin)
+{
+	return ocp_smart_add_log(argc, argv, cmd, plugin);
+}
+
 static int clear_pcie_corectable_error_counters(int argc, char **argv,
 						struct command *cmd,
 						struct plugin *plugin)
@@ -646,3 +1892,9 @@ static int clear_pcie_corectable_error_counters(int argc, char **argv,
 	return ocp_clear_feature(argc, argv, desc,
 				 OCP_FID_CLEAR_PCIE_CORRECTABLE_ERROR_COUNTERS);
 }
+
+static int fw_activation_history_log(int argc, char **argv, struct command *cmd,
+				     struct plugin *plugin)
+{
+	return ocp_fw_activation_history_log(argc, argv, cmd, plugin);
+}