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identify: Print out information about controller memory buffer support

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Change-Id: I62c84647e3ae19b3df08c089284043ffebe9081b
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/c/442636
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: wuzhouhui <wuzhouhui@kingsoft.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
Ben Walker 2019-01-29 15:10:37 -07:00 committed by Jim Harris
parent 993c4a0799
commit 9ca35dfc83
1 changed files with 27 additions and 0 deletions
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27
examples/nvme/identify/identify.c
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@ -865,6 +865,7 @@ print_controller(struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_transport
const struct spdk_nvme_ctrlr_data *cdata;
union spdk_nvme_cap_register cap;
union spdk_nvme_vs_register vs;
union spdk_nvme_cmbsz_register cmbsz;
uint8_t str[512];
uint32_t i;
struct spdk_nvme_error_information_entry *error_entry;
@ -875,6 +876,7 @@ print_controller(struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_transport
cap = spdk_nvme_ctrlr_get_regs_cap(ctrlr);
vs = spdk_nvme_ctrlr_get_regs_vs(ctrlr);
cmbsz = spdk_nvme_ctrlr_get_regs_cmbsz(ctrlr);
if (!spdk_nvme_ctrlr_is_discovery(ctrlr)) {
/*
@ -996,6 +998,31 @@ print_controller(struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_transport
cdata->ctratt.host_id_exhid_supported ? "Supported" : "Not Supported");
printf("\n");
printf("Controller Memory Buffer Support\n");
printf("================================\n");
if (cmbsz.raw != 0) {
uint64_t size = cmbsz.bits.sz;
/* Convert the size to bytes by multiplying by the granularity.
By spec, szu is at most 6 and sz is 20 bits, so size requires
at most 56 bits. */
size *= (0x1000 << (cmbsz.bits.szu * 4));
printf("Supported: Yes\n");
printf("Total Size: %lu bytes\n", size);
printf("Submission Queues in CMB: %s\n",
cmbsz.bits.sqs ? "Supported" : "Not Supported");
printf("Completion Queues in CMB: %s\n",
cmbsz.bits.cqs ? "Supported" : "Not Supported");
printf("Read data and metadata in CMB %s\n",
cmbsz.bits.rds ? "Supported" : "Not Supported");
printf("Write data and metadata in CMB: %s\n",
cmbsz.bits.wds ? "Supported" : "Not Supported");
} else {
printf("Supported: No\n");
}
printf("\n");
printf("Admin Command Set Attributes\n");
printf("============================\n");
printf("Security Send/Receive: %s\n",