1 files changed, 32 insertions, 0 deletions
diff --git a/plugins/ocp/ocp-utils.c b/plugins/ocp/ocp-utils.c
new file mode 100644
index 0000000..1257b30
--- /dev/null
+++ b/plugins/ocp/ocp-utils.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2022 Solidigm.
+ *
+ * Author: leonardo.da.cunha@solidigm.com
+ */
+
+#include <unistd.h>
+#include "ocp-utils.h"
+#include "nvme-print.h"
+
+const unsigned char ocp_uuid[NVME_UUID_LEN] = {
+	0xc1, 0x94, 0xd5, 0x5b, 0xe0, 0x94, 0x47, 0x94, 0xa2, 0x1d,
+	0x29, 0x99, 0x8f, 0x56, 0xbe, 0x6f };
+
+int ocp_get_uuid_index(struct nvme_dev *dev, int *index)
+{
+	struct nvme_id_uuid_list uuid_list;
+	int err = nvme_identify_uuid(dev_fd(dev), &uuid_list);
+
+	*index = 0;
+	if (err)
+		return err;
+
+	for (int i = 0; i < NVME_ID_UUID_LIST_MAX; i++) {
+		if (memcmp(ocp_uuid, &uuid_list.entry[i].uuid, NVME_UUID_LEN) == 0) {
+			*index = i + 1;
+			break;
+		}
+	}
+	return err;
+}