diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index e2993e6a9d7c7b53247d750d324b92eb79aa17ec..5ce51ab4c50ea68030a969b995da73ee58efb978 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -420,6 +420,12 @@ enum {
 	NVME_NS_DPS_PI_TYPE3	= 3,
 };
 
+/* Identify Namespace Metadata Capabilities (MC): */
+enum {
+	NVME_MC_EXTENDED_LBA	= (1 << 0),
+	NVME_MC_METADATA_PTR	= (1 << 1),
+};
+
 struct nvme_ns_id_desc {
 	__u8 nidt;
 	__u8 nidl;