Commit e2256173 authored by Daniel Verkamp's avatar Daniel Verkamp
Browse files

nvme/identify: dump CAP and VS registers 



Change-Id: I157dc7f1eda082f1bdf0a176fc6c6061291e2ac1
Signed-off-by: default avatarDaniel Verkamp <daniel.verkamp@intel.com>
parent a464f139

examples/nvme/identify/identify.c

+38 −9
Original line number Diff line number Diff line
@@ -444,10 +444,15 @@ static void 
print_controller(struct spdk_nvme_ctrlr *ctrlr, struct spdk_pci_device *pci_dev)

{

	const struct spdk_nvme_ctrlr_data	*cdata;

	union spdk_nvme_cap_register		cap;

	union spdk_nvme_vs_register		vs;

	uint8_t					str[512];

	uint32_t				i;

	struct spdk_nvme_error_information_entry *error_entry;



	cap = spdk_nvme_ctrlr_get_regs_cap(ctrlr);

	vs = spdk_nvme_ctrlr_get_regs_vs(ctrlr);



	get_features(ctrlr);

	get_log_pages(ctrlr);
@@ -493,6 +498,30 @@ print_controller(struct spdk_nvme_ctrlr *ctrlr, struct spdk_pci_device *pci_dev) 
			printf("%u milliseconds\n", tler * 100);

		}

	}

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

	if (vs.bits.ter) {

		printf(".%u", vs.bits.ter);

	}

	printf("\n");

	printf("Maximum Queue Entries:                 %u\n", cap.bits.mqes + 1);

	printf("Contiguous Queues Required:            %s\n", cap.bits.cqr ? "Yes" : "No");

	printf("Arbitration Mechanisms Supported\n");

	printf("  Weighted Round Robin:                %s\n",

	       cap.bits.ams & SPDK_NVME_CAP_AMS_WRR ? "Supported" : "Not Supported");

	printf("  Vendor Specific:                     %s\n",

	       cap.bits.ams & SPDK_NVME_CAP_AMS_VS ? "Supported" : "Not Supported");

	printf("Reset Timeout:                         %" PRIu64 " ms\n", (uint64_t)500 * cap.bits.to);

	printf("Doorbell Stride:                       %" PRIu64 " bytes\n",

	       (uint64_t)1 << (2 + cap.bits.dstrd));

	printf("NVM Subsystem Reset:                   %s\n",

	       cap.bits.nssrs ? "Supported" : "Not Supported");

	printf("Command Sets Supported\n");

	printf("  NVM Command Set:                     %s\n",

	       cap.bits.css_nvm ? "Supported" : "Not Supported");

	printf("Memory Page Size Minimum:              %" PRIu64 " bytes\n",

	       (uint64_t)1 << (12 + cap.bits.mpsmin));

	printf("Memory Page Size Maximum:              %" PRIu64 " bytes\n",

	       (uint64_t)1 << (12 + cap.bits.mpsmax));

	printf("\n");



	printf("Admin Command Set Attributes\n");

include/spdk/nvme_spec.h

+2 −1
Original line number Diff line number Diff line
@@ -186,7 +186,8 @@ SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_aqa_register) == 4, "Incorrect size"); 
union spdk_nvme_vs_register {

	uint32_t	raw;

	struct {

		uint32_t reserved1	: 8;

		/** indicates the tertiary version */

		uint32_t ter		: 8;

		/** indicates the minor version */

		uint32_t mnr		: 8;

		/** indicates the major version */