Commit 00d197db authored by Niklas Cassel's avatar Niklas Cassel Committed by Tomasz Zawadzki
Browse files

examples/nvme/identify: print ZNS data structures if supported 



Print the Zoned Namespace Command Set Specific data structures,
if the namespace/controller supports them.

spdk_nvme_zns_ctrlr_get_data() returns NULL for a controller
that does not support the ZNS specific controller data struct.

Signed-off-by: default avatarNiklas Cassel <niklas.cassel@wdc.com>
Change-Id: I0acd2695976fc598b61591989f612db35ac821db
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/4839


Community-CI: Mellanox Build Bot
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
parent 414500c9

examples/nvme/identify/identify.c

+57 −1
Original line number Diff line number Diff line
@@ -775,11 +775,50 @@ print_zns_zone_report(void) 
	g_zone_report = NULL;

}



static void

print_zns_ns_data(const struct spdk_nvme_zns_ns_data *nsdata_zns)

{

	printf("ZNS Specific Namespace Data\n");

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

	printf("Variable Zone Capacity:                %s\n",

	       nsdata_zns->zoc.variable_zone_capacity ? "Yes" : "No");

	printf("Zone Active Excursions:                %s\n",

	       nsdata_zns->zoc.zone_active_excursions ? "Yes" : "No");

	printf("Read Across Zone Boundaries:           %s\n",

	       nsdata_zns->ozcs.read_across_zone_boundaries ? "Yes" : "No");

	if (nsdata_zns->mar == 0xffffffff) {

		printf("Max Active Resources:                  No Limit\n");

	} else {

		printf("Max Active Resources:                  %"PRIu32"\n",

		       nsdata_zns->mar + 1);

	}

	if (nsdata_zns->mor == 0xffffffff) {

		printf("Max Open Resources:                    No Limit\n");

	} else {

		printf("Max Open Resources:                    %"PRIu32"\n",

		       nsdata_zns->mor + 1);

	}

	if (nsdata_zns->rrl == 0) {

		printf("Reset Recommended Limit:               Not Reported\n");

	} else {

		printf("Reset Recommended Limit:               %"PRIu32"\n",

		       nsdata_zns->rrl);

	}

	if (nsdata_zns->frl == 0) {

		printf("Finish Recommended Limit:              Not Reported\n");

	} else {

		printf("Finish Recommended Limit:              %"PRIu32"\n",

		       nsdata_zns->frl);

	}

	printf("\n");

}



static void

print_namespace(struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme_ns *ns)

{

	const struct spdk_nvme_ctrlr_data	*cdata;

	const struct spdk_nvme_ns_data		*nsdata;

	const struct spdk_nvme_zns_ns_data	*nsdata_zns;

	const struct spdk_uuid			*uuid;

	uint32_t				i;

	uint32_t				flags;
@@ -788,6 +827,7 @@ print_namespace(struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme_ns *ns) 


	cdata = spdk_nvme_ctrlr_get_data(ctrlr);

	nsdata = spdk_nvme_ns_get_data(ns);

	nsdata_zns = spdk_nvme_zns_ns_get_data(ns);

	flags  = spdk_nvme_ns_get_flags(ns);



	printf("Namespace ID:%d\n", spdk_nvme_ns_get_id(ns));
@@ -888,9 +928,15 @@ print_namespace(struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme_ns *ns) 
	printf("Number of LBA Formats:                 %d\n", nsdata->nlbaf + 1);

	printf("Current LBA Format:                    LBA Format #%02d\n",

	       nsdata->flbas.format);

	for (i = 0; i <= nsdata->nlbaf; i++)

	for (i = 0; i <= nsdata->nlbaf; i++) {

		printf("LBA Format #%02d: Data Size: %5d  Metadata Size: %5d\n",

		       i, 1 << nsdata->lbaf[i].lbads, nsdata->lbaf[i].ms);

		if (spdk_nvme_ns_get_csi(ns) == SPDK_NVME_CSI_ZNS) {

			printf("LBA Format Extension #%02d: Zone Size (in LBAs): 0x%"PRIx64" Zone Descriptor Extension Size: %d bytes\n",

			       i, nsdata_zns->lbafe[i].zsze, nsdata_zns->lbafe[i].zdes << 6);

		}



	}

	printf("\n");



	if (spdk_nvme_ctrlr_is_ocssd_supported(ctrlr)) {
@@ -904,6 +950,7 @@ print_namespace(struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme_ns *ns) 
			printf("ERROR: spdk_nvme_ctrlr_alloc_io_qpair() failed\n");

			exit(1);

		}

		print_zns_ns_data(nsdata_zns);

		get_zns_zone_report(ns, qpair);

		print_zns_zone_report();

		spdk_nvme_ctrlr_free_io_qpair(qpair);
@@ -1754,6 +1801,15 @@ print_controller(struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_transport 
		printf("\n");

	}



	if (spdk_nvme_zns_ctrlr_get_data(ctrlr)) {

		printf("ZNS Specific Controller Data\n");

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

		printf("Zone Append Size Limit:      %u\n",

		       spdk_nvme_zns_ctrlr_get_data(ctrlr)->zasl);

		printf("\n");

		printf("\n");

	}



	printf("Active Namespaces\n");

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

	for (nsid = spdk_nvme_ctrlr_get_first_active_ns(ctrlr);