Commit fe408c97 authored by GangCao's avatar GangCao Committed by Jim Harris
Browse files

example/identify: list the number of I/O queues 



This kind of information can be useful on related model
of Intel SSDs.

Change-Id: Iea8a8f48999ba36e2f6cbf33a892147262891b44
Signed-off-by: default avatarGangCao <gang.cao@intel.com>
Reviewed-on: https://review.gerrithub.io/385805


Tested-by: default avatarSPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: default avatarDaniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
parent b41a99f2

examples/nvme/identify/identify.c

+11 −0
Original line number Diff line number Diff line
@@ -172,6 +172,7 @@ get_features(struct spdk_nvme_ctrlr *ctrlr) 
		SPDK_NVME_FEAT_POWER_MANAGEMENT,

		SPDK_NVME_FEAT_TEMPERATURE_THRESHOLD,

		SPDK_NVME_FEAT_ERROR_RECOVERY,

		SPDK_NVME_FEAT_NUMBER_OF_QUEUES,

	};



	/* Submit several GET FEATURES commands and wait for them to complete */
@@ -893,6 +894,16 @@ print_controller(struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_transport 
		printf("\n");

	}



	if (features[SPDK_NVME_FEAT_NUMBER_OF_QUEUES].valid) {

		uint32_t result = features[SPDK_NVME_FEAT_NUMBER_OF_QUEUES].result;



		printf("Number of Queues\n");

		printf("================\n");

		printf("Number of I/O Submission Queues:      %u\n", (result & 0xFFFF) + 1);

		printf("Number of I/O Completion Queues:      %u\n", (result & 0xFFFF0000 >> 16) + 1);

		printf("\n");

	}



	if (cdata->hctma.bits.supported) {

		printf("Host Controlled Thermal Management\n");

		printf("==================================\n");