diff --git a/examples/nvme/identify/identify.c b/examples/nvme/identify/identify.c
index 20f944940..af883fce6 100644
--- a/examples/nvme/identify/identify.c
+++ b/examples/nvme/identify/identify.c
@@ -622,7 +622,9 @@ print_controller(struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_transport
 	printf("Atomic Write Unit (PFail):   %d\n", cdata->awupf + 1);
 	printf("Scatter-Gather List\n");
 	printf("  SGL Command Set:           %s\n",
-	       cdata->sgls.supported ? "Supported" : "Not Supported");
+	       cdata->sgls.supported == SPDK_NVME_SGLS_SUPPORTED ? "Supported" :
+	       cdata->sgls.supported == SPDK_NVME_SGLS_SUPPORTED_DWORD_ALIGNED ? "Supported (Dword aligned)" :
+	       "Not Supported");
 	printf("  SGL Keyed:                 %s\n",
 	       cdata->sgls.keyed_sgl ? "Supported" : "Not Supported");
 	printf("  SGL Bit Bucket Descriptor: %s\n",
diff --git a/include/spdk/nvme_spec.h b/include/spdk/nvme_spec.h
index bc645345c..3842da2b8 100644
--- a/include/spdk/nvme_spec.h
+++ b/include/spdk/nvme_spec.h
@@ -849,6 +849,18 @@ enum spdk_nvmf_ctrlr_model {
 #define SPDK_NVME_CTRLR_MN_LEN	40
 #define SPDK_NVME_CTRLR_FR_LEN	8
 
+/** Identify Controller data sgls.supported values */
+enum spdk_nvme_sgls_supported {
+	/** SGLs are not supported */
+	SPDK_NVME_SGLS_NOT_SUPPORTED			= 0,
+
+	/** SGLs are supported with no alignment or granularity requirement. */
+	SPDK_NVME_SGLS_SUPPORTED			= 1,
+
+	/** SGLs are supported with a DWORD alignment and granularity requirement. */
+	SPDK_NVME_SGLS_SUPPORTED_DWORD_ALIGNED		= 2,
+};
+
 struct __attribute__((packed)) spdk_nvme_ctrlr_data {
 	/* bytes 0-255: controller capabilities and features */
 
@@ -1174,8 +1186,7 @@ struct __attribute__((packed)) spdk_nvme_ctrlr_data {
 
 	/** SGL support */
 	struct {
-		uint32_t	supported : 1;
-		uint32_t	reserved0 : 1;
+		uint32_t	supported : 2;
 		uint32_t	keyed_sgl : 1;
 		uint32_t	reserved1 : 13;
 		uint32_t	bit_bucket_descriptor : 1;