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nvme/identify: dump CAP and VS registers

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Change-Id: I157dc7f1eda082f1bdf0a176fc6c6061291e2ac1
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This commit is contained in:
Daniel Verkamp 2016-07-06 15:21:48 -07:00
parent a464f1394e
commit e2256173a8
2 changed files with 40 additions and 10 deletions
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29
examples/nvme/identify/identify.c
View File

@ -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");

3
include/spdk/nvme_spec.h
View File

@ -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 */