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diff --git a/sys/dev/nvmf/controller/nvmft_controller.c b/sys/dev/nvmf/controller/nvmft_controller.c
--- a/sys/dev/nvmf/controller/nvmft_controller.c
+++ b/sys/dev/nvmf/controller/nvmft_controller.c
@@ -902,6 +902,71 @@
return;
}
+static void
+handle_get_features(struct nvmft_controller *ctrlr,
+ struct nvmf_capsule *nc, const struct nvme_command *cmd)
+{
+ struct nvme_completion cqe;
+ uint8_t fid;
+
+ if (NVMEV(NVME_FEAT_GET_SEL, le32toh(cmd->cdw10)) != 0)
+ goto error;
+
+ fid = NVMEV(NVME_FEAT_GET_FID, le32toh(cmd->cdw10));
+ switch (fid) {
+ case NVME_FEAT_NUMBER_OF_QUEUES:
+ {
+ uint32_t num_queues;
+
+ if (cmd->nsid != htole32(0))
+ goto not_ns_specifc;
+
+ num_queues = ctrlr->num_io_queues;
+
+ /* No way to report 0 queues. */
+ if (num_queues == 0) {
+ nvmft_send_generic_error(ctrlr->admin, nc,
+ NVME_SC_COMMAND_SEQUENCE_ERROR);
+ nvmf_free_capsule(nc);
+ return;
+ }
+
+ /* Convert to 0's based. */
+ num_queues--;
+
+ nvmft_init_cqe(&cqe, nc, 0);
+ cqe.cdw0 = htole32(num_queues << 16 | num_queues);
+ nvmft_send_response(ctrlr->admin, &cqe);
+ nvmf_free_capsule(nc);
+ return;
+ }
+ case NVME_FEAT_ASYNC_EVENT_CONFIGURATION:
+ if (cmd->nsid != htole32(0))
+ goto not_ns_specifc;
+
+ nvmft_init_cqe(&cqe, nc, 0);
+ cqe.cdw0 = htole32(ctrlr->aer_mask);
+ nvmft_send_response(ctrlr->admin, &cqe);
+ nvmf_free_capsule(nc);
+ return;
+ default:
+ nvmft_printf(ctrlr,
+ "Unsupported feature ID %u for GET_FEATURES\n", fid);
+ goto error;
+ }
+
+error:
+ nvmft_send_generic_error(ctrlr->admin, nc, NVME_SC_INVALID_FIELD);
+ nvmf_free_capsule(nc);
+ return;
+
+not_ns_specifc:
+ nvmft_send_error(ctrlr->admin, nc, NVME_SCT_COMMAND_SPECIFIC,
+ NVME_SC_FEATURE_NOT_NS_SPECIFIC);
+ nvmf_free_capsule(nc);
+ return;
+}
+
static bool
update_cc(struct nvmft_controller *ctrlr, uint32_t new_cc, bool *need_shutdown)
{
@@ -1108,6 +1173,9 @@
case NVME_OPC_SET_FEATURES:
handle_set_features(ctrlr, nc, cmd);
break;
+ case NVME_OPC_GET_FEATURES:
+ handle_get_features(ctrlr, nc, cmd);
+ break;
case NVME_OPC_ASYNC_EVENT_REQUEST:
mtx_lock(&ctrlr->lock);
if (ctrlr->aer_pending == NVMFT_NUM_AER) {

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