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

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This is the value after negotiation with the host.

Change-Id: Ifec843c7c2ff7d88ee3ccf26b942fcd084efda55
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/13798
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Dong Yi <dongx.yi@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
This commit is contained in:
Ben Walker 2022-07-26 10:06:41 -07:00 committed by Tomasz Zawadzki
parent 8b8401959e
commit f1cba369ed
1 changed files with 5 additions and 3 deletions
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8
examples/nvme/identify/identify.c
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@ -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");