Commit f1cba369 authored by Ben Walker's avatar Ben Walker Committed by Tomasz Zawadzki
Browse files

identify: Report the maximum number of I/O queues per controller 



This is the value after negotiation with the host.

Change-Id: Ifec843c7c2ff7d88ee3ccf26b942fcd084efda55
Signed-off-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/13798


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarDong Yi <dongx.yi@intel.com>
Reviewed-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Reviewed-by: default avatarKonrad Sztyber <konrad.sztyber@intel.com>
parent 8b840195

examples/nvme/identify/identify.c

+5 −3
Original line number Diff line number Diff line
@@ -1188,7 +1188,8 @@ io_opc_name(uint8_t opc) 
}



static void

print_controller(struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_transport_id *trid)

print_controller(struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_transport_id *trid,

		 const struct spdk_nvme_ctrlr_opts *opts)

{

	const struct spdk_nvme_ctrlr_data	*cdata;

	union spdk_nvme_cap_register		cap;
@@ -1282,6 +1283,7 @@ print_controller(struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_transport 
		printf("%" PRIu64 "\n", (uint64_t)1 << (12 + cap.bits.mpsmin + cdata->mdts));

	}

	printf("Max Number of Namespaces:              %d\n", cdata->nn);

	printf("Max Number of I/O Queues:              %d\n", opts->num_io_queues);

	printf("NVMe Specification Version (VS):       %u.%u", vs.bits.mjr, vs.bits.mnr);

	if (vs.bits.ter) {

		printf(".%u", vs.bits.ter);
@@ -2327,7 +2329,7 @@ attach_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid, 
	  struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_ctrlr_opts *opts)

{

	g_controllers_found++;

	print_controller(ctrlr, trid);

	print_controller(ctrlr, trid, opts);

	spdk_nvme_detach_async(ctrlr, &g_detach_ctx);

}
@@ -2378,7 +2380,7 @@ main(int argc, char **argv) 
		}



		g_controllers_found++;

		print_controller(ctrlr, &g_trid);

		print_controller(ctrlr, &g_trid, spdk_nvme_ctrlr_get_opts(ctrlr));

		spdk_nvme_detach_async(ctrlr, &g_detach_ctx);

	} else if (spdk_nvme_probe(&g_trid, NULL, probe_cb, attach_cb, NULL) != 0) {

		fprintf(stderr, "spdk_nvme_probe() failed\n");