diff --git a/include/spdk/nvme.h b/include/spdk/nvme.h
index 968c5a870..df0a6d76b 100644
--- a/include/spdk/nvme.h
+++ b/include/spdk/nvme.h
@@ -366,6 +366,7 @@ enum spdk_nvme_ctrlr_flags {
 	SPDK_NVME_CTRLR_SGL_SUPPORTED			= 0x1, /**< The SGL is supported */
 	SPDK_NVME_CTRLR_SECURITY_SEND_RECV_SUPPORTED	= 0x2, /**< security send/receive is supported */
 	SPDK_NVME_CTRLR_WRR_SUPPORTED			= 0x4, /**< Weighted Round Robin is supported */
+	SPDK_NVME_CTRLR_COMPARE_AND_WRITE_SUPPORTED	= 0x8, /**< Compare and write fused operations supported */
 };
 
 /**
diff --git a/include/spdk/nvme_spec.h b/include/spdk/nvme_spec.h
index a7d42446c..eb4a8a100 100644
--- a/include/spdk/nvme_spec.h
+++ b/include/spdk/nvme_spec.h
@@ -1752,7 +1752,10 @@ struct __attribute__((packed)) __attribute__((aligned)) spdk_nvme_ctrlr_data {
 	} oncs;
 
 	/** fused operation support */
-	uint16_t		fuses;
+	struct {
+		uint16_t	compare_and_write : 1;
+		uint16_t	reserved : 15;
+	} fuses;
 
 	/** format nvm attributes */
 	struct {
diff --git a/lib/nvme/nvme_ctrlr.c b/lib/nvme/nvme_ctrlr.c
index ddcd9426b..a43a70fa2 100644
--- a/lib/nvme/nvme_ctrlr.c
+++ b/lib/nvme/nvme_ctrlr.c
@@ -1235,6 +1235,11 @@ nvme_ctrlr_identify_done(void *arg, const struct spdk_nvme_cpl *cpl)
 		ctrlr->flags |= SPDK_NVME_CTRLR_SECURITY_SEND_RECV_SUPPORTED;
 	}
 
+	SPDK_DEBUGLOG(SPDK_LOG_NVME, "fuses compare and write: %d\n", ctrlr->cdata.fuses.compare_and_write);
+	if (ctrlr->cdata.fuses.compare_and_write) {
+		ctrlr->flags |= SPDK_NVME_CTRLR_COMPARE_AND_WRITE_SUPPORTED;
+	}
+
 	nvme_ctrlr_set_state(ctrlr, NVME_CTRLR_STATE_SET_NUM_QUEUES,
 			     ctrlr->opts.admin_timeout_ms);
 }