Function dlb2_hw_query_resources

dpdk/drivers/event/dlb2/dlb2.c:157–223

}

static int
dlb2_hw_query_resources(struct dlb2_eventdev *dlb2)
{
	struct dlb2_hw_dev *handle = &dlb2->qm_instance;
	int num_ldb_ports;
	int ret;

	/* Query driver resources provisioned for this device */

	ret = dlb2_iface_get_num_resources(handle,
					   &dlb2->hw_rsrc_query_results);
	if (ret) {
		DLB2_LOG_ERR("ioctl get dlb2 num resources, err=%d", ret);
		return ret;
	}

	/* Complete filling in device resource info returned to evdev app,
	 * overriding any default values.
	 * The capabilities (CAPs) were set at compile time.
	 */

	num_ldb_ports = dlb2->hw_rsrc_query_results.num_ldb_ports;

	evdev_dlb2_default_info.max_event_queues =
		dlb2->hw_rsrc_query_results.num_ldb_queues;

	evdev_dlb2_default_info.max_event_ports = num_ldb_ports;

	evdev_dlb2_default_info.max_single_link_event_port_queue_pairs =
		dlb2->hw_rsrc_query_results.num_dir_ports;

	if (dlb2->version == DLB2_HW_V2_5) {
		evdev_dlb2_default_info.max_num_events =
			dlb2->hw_rsrc_query_results.num_credits;
	} else {
		evdev_dlb2_default_info.max_num_events =
			dlb2->hw_rsrc_query_results.num_ldb_credits;
	}
	/* Save off values used when creating the scheduling domain. */

	handle->info.num_sched_domains =
		dlb2->hw_rsrc_query_results.num_sched_domains;

	if (dlb2->version == DLB2_HW_V2_5) {
		handle->info.hw_rsrc_max.nb_events_limit =
			dlb2->hw_rsrc_query_results.num_credits;
	} else {
		handle->info.hw_rsrc_max.nb_events_limit =
			dlb2->hw_rsrc_query_results.num_ldb_credits;
	}
	handle->info.hw_rsrc_max.num_queues =
		dlb2->hw_rsrc_query_results.num_ldb_queues +
		dlb2->hw_rsrc_query_results.num_dir_ports;

	handle->info.hw_rsrc_max.num_ldb_queues =
		dlb2->hw_rsrc_query_results.num_ldb_queues;

	handle->info.hw_rsrc_max.num_ldb_ports = num_ldb_ports;