Function rte_event_queue_attr_get

dpdk/lib/eventdev/rte_eventdev.c:889–946

}

int
rte_event_queue_attr_get(uint8_t dev_id, uint8_t queue_id, uint32_t attr_id,
			uint32_t *attr_value)
{
	struct rte_event_queue_conf *conf;
	struct rte_eventdev *dev;

	if (!attr_value)
		return -EINVAL;

	RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
	dev = &rte_eventdevs[dev_id];
	if (!is_valid_queue(dev, queue_id)) {
		RTE_EDEV_LOG_ERR("Invalid queue_id=%" PRIu8, queue_id);
		return -EINVAL;
	}

	conf = &dev->data->queues_cfg[queue_id];

	switch (attr_id) {
	case RTE_EVENT_QUEUE_ATTR_PRIORITY:
		*attr_value = RTE_EVENT_DEV_PRIORITY_NORMAL;
		if (dev->data->event_dev_cap & RTE_EVENT_DEV_CAP_QUEUE_QOS)
			*attr_value = conf->priority;
		break;
	case RTE_EVENT_QUEUE_ATTR_NB_ATOMIC_FLOWS:
		*attr_value = conf->nb_atomic_flows;
		break;
	case RTE_EVENT_QUEUE_ATTR_NB_ATOMIC_ORDER_SEQUENCES:
		*attr_value = conf->nb_atomic_order_sequences;
		break;
	case RTE_EVENT_QUEUE_ATTR_EVENT_QUEUE_CFG:
		*attr_value = conf->event_queue_cfg;
		break;
	case RTE_EVENT_QUEUE_ATTR_SCHEDULE_TYPE:
		if (conf->event_queue_cfg & RTE_EVENT_QUEUE_CFG_ALL_TYPES)
			return -EOVERFLOW;

		*attr_value = conf->schedule_type;
		break;
	case RTE_EVENT_QUEUE_ATTR_WEIGHT:
		*attr_value = RTE_EVENT_QUEUE_WEIGHT_LOWEST;
		if (dev->data->event_dev_cap & RTE_EVENT_DEV_CAP_QUEUE_QOS)
			*attr_value = conf->weight;
		break;
	case RTE_EVENT_QUEUE_ATTR_AFFINITY:
		*attr_value = RTE_EVENT_QUEUE_AFFINITY_LOWEST;
		if (dev->data->event_dev_cap & RTE_EVENT_DEV_CAP_QUEUE_QOS)
			*attr_value = conf->affinity;
		break;
	default:
		return -EINVAL;
	};

	rte_eventdev_trace_queue_attr_get(dev_id, dev, queue_id, attr_id, *attr_value);

	return 0;
}