1 files changed, 108 insertions, 0 deletions
diff --git a/plugins/solidigm/solidigm-temp-stats.c b/plugins/solidigm/solidigm-temp-stats.c
new file mode 100644
index 0000000..85a3c37
--- /dev/null
+++ b/plugins/solidigm/solidigm-temp-stats.c
@@ -0,0 +1,108 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2023 Solidigm.
+ *
+ * Author: leonardo.da.cunha@solidigm.com
+ */
+
+#include <errno.h>
+
+#include "common.h"
+#include "nvme-print.h"
+#include "solidigm-util.h"
+
+#define SLDGM_TEMP_STATS_LID 0xC5
+
+struct temp_stats {
+	__le64	curr;
+	__le64	last_overtemp;
+	__le64	life_overtemp;
+	__le64	highest_temp;
+	__le64	lowest_temp;
+	__u8	rsvd[40];
+	__le64	max_operating_temp;
+	__le64	min_operating_temp;
+	__le64	est_offset;
+};
+
+static void show_temp_stats(struct temp_stats *stats)
+{
+	printf("Current temperature         : %"PRIu64"\n", le64_to_cpu(stats->curr));
+	printf("Last critical overtemp flag : %"PRIu64"\n", le64_to_cpu(stats->last_overtemp));
+	printf("Life critical overtemp flag : %"PRIu64"\n", le64_to_cpu(stats->life_overtemp));
+	printf("Highest temperature         : %"PRIu64"\n", le64_to_cpu(stats->highest_temp));
+	printf("Lowest temperature          : %"PRIu64"\n", le64_to_cpu(stats->lowest_temp));
+	printf("Max operating temperature   : %"PRIu64"\n", le64_to_cpu(stats->max_operating_temp));
+	printf("Min operating temperature   : %"PRIu64"\n", le64_to_cpu(stats->min_operating_temp));
+	printf("Estimated offset            : %"PRIu64"\n", le64_to_cpu(stats->est_offset));
+}
+
+int sldgm_get_temp_stats_log(int argc, char **argv, struct command *cmd, struct plugin *plugin)
+{
+	unsigned char buffer[4096] = {0};
+	struct nvme_dev *dev;
+	__u8 uuid_idx;
+	int err;
+
+	const char *desc = "Get/show Temperature Statistics log.";
+	const char *raw = "dump output in binary format";
+	struct config {
+		bool  raw_binary;
+	};
+
+	struct config cfg = {
+		.raw_binary = false,
+	};
+
+	OPT_ARGS(opts) = {
+		OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw),
+		OPT_END()
+	};
+
+	err = parse_and_open(&dev, argc, argv, desc, opts);
+	if (err)
+		return err;
+
+	uuid_idx = solidigm_get_vu_uuid_index(dev);
+
+	struct nvme_get_log_args args = {
+		.lpo	= 0,
+		.result = NULL,
+		.log	= buffer,
+		.args_size = sizeof(args),
+		.fd	= dev_fd(dev),
+		.uuidx	= uuid_idx,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.lid	= SLDGM_TEMP_STATS_LID,
+		.len	= sizeof(buffer),
+		.nsid	= NVME_NSID_ALL,
+		.csi	= NVME_CSI_NVM,
+		.lsi	= NVME_LOG_LSI_NONE,
+		.lsp	= NVME_LOG_LSP_NONE,
+		.rae	= false,
+		.ot	= false,
+	};
+
+	err = nvme_get_log(&args);
+	if (!err) {
+		uint64_t *guid = (uint64_t *)&buffer[4080];
+
+		if (guid[1] == 0xC7BB98B7D0324863 && guid[0] == 0xBB2C23990E9C722F) {
+			fprintf(stderr, "Error: Log page has 'OCP unsupported Requirements' GUID\n");
+			err = -EBADMSG;
+			goto closefd;
+		}
+		if (!cfg.raw_binary)
+			show_temp_stats((struct temp_stats *) buffer);
+		else
+			d_raw(buffer, sizeof(struct temp_stats));
+	} else if (err > 0) {
+		nvme_show_status(err);
+	}
+
+closefd:
+	/* Redundant close() to make static code analysis happy */
+	close(dev->direct.fd);
+	dev_close(dev);
+	return err;
+}