From 063639877818c1d08c1cce47fe7f1949d3ee65aa Mon Sep 17 00:00:00 2001
From: Randy Bates <rbates@web-site.com>
Date: Thu, 30 Apr 2020 16:20:34 -0500
Subject: [PATCH] Initial coding

---
 plugins/wdc/wdc-nvme.c | 31 +++++++++++++++++++++++++++++++
 plugins/wdc/wdc-nvme.h |  1 +
 2 files changed, 32 insertions(+)

diff --git a/plugins/wdc/wdc-nvme.c b/plugins/wdc/wdc-nvme.c
index 791353b..548e14c 100644
--- a/plugins/wdc/wdc-nvme.c
+++ b/plugins/wdc/wdc-nvme.c
@@ -570,6 +570,8 @@ static int wdc_log_page_directory(int argc, char **argv, struct command *command
 static int wdc_do_drive_info(int fd, __u32 *result);
 static int wdc_vs_drive_info(int argc, char **argv, struct command *command,
 		struct plugin *plugin);
+static int wdc_vs_temperature_stats(int argc, char **argv, struct command *command,
+		struct plugin *plugin);
 
 /* Drive log data size */
 struct wdc_log_size {
@@ -6543,5 +6545,34 @@ static int wdc_vs_drive_info(int argc, char **argv,
 	fprintf(stderr, "NVMe Status:%s(%x)\n", nvme_status_to_string(ret), ret);
 	return ret;
 }
+static int wdc_vs_temperature_stats(int argc, char **argv,
+		struct command *command, struct plugin *plugin)
+{
+	const char *desc = "Send a vs-temperature-stats command.";
+	struct nvme_smart_log smart_log;
+	int fd, ret;
+	/* convert temperature from Kelvin to Celsius */
+
+	OPT_ARGS(opts) = {
+		OPT_END()
+	};
 
+	fd = parse_and_open(argc, argv, desc, opts);
+	if (fd < 0)
+		return fd;
 
+	wdc_check_device(fd);
+	ret = nvme_smart_log(fd, NVME_NSID_ALL, &smart_log);
+
+	if (ret == 0) {
+		int temperature = ((smart_log.temperature[1] << 8) |
+				    smart_log.temperature[0]) - 273;
+
+		printf("temperature				: %d C\n",
+			temperature);
+
+	}
+
+	fprintf(stderr, "NVMe Status:%s(%x)\n", nvme_status_to_string(ret), ret);
+	return ret;
+}
diff --git a/plugins/wdc/wdc-nvme.h b/plugins/wdc/wdc-nvme.h
index c6b2d3f..9c8e222 100644
--- a/plugins/wdc/wdc-nvme.h
+++ b/plugins/wdc/wdc-nvme.h
@@ -30,6 +30,7 @@ PLUGIN(NAME("wdc", "Western Digital vendor specific extensions"),
 		ENTRY("log-page-directory", "WDC Get Log Page Directory", wdc_log_page_directory)
 		ENTRY("namespace-resize", "WDC NamespaceDrive Resize", wdc_namespace_resize)
 		ENTRY("vs-drive-info", "WDC Get Drive Info", wdc_vs_drive_info)
+		ENTRY("vs-temperature-stats", "WDC Get Temperature Stats", wdc_vs_temperature_stats)
 	)
 );
 
-- 
2.49.0