Function sw_dev_configure

dpdk/drivers/event/sw/sw_evdev.c:504–543

}

static int
sw_dev_configure(const struct rte_eventdev *dev)
{
	struct sw_evdev *sw = sw_pmd_priv(dev);
	const struct rte_eventdev_data *data = dev->data;
	const struct rte_event_dev_config *conf = &data->dev_conf;
	int num_chunks, i;

	sw->qid_count = conf->nb_event_queues;
	sw->port_count = conf->nb_event_ports;
	sw->nb_events_limit = conf->nb_events_limit;
	rte_atomic32_set(&sw->inflights, 0);

	/* Number of chunks sized for worst-case spread of events across IQs */
	num_chunks = ((SW_INFLIGHT_EVENTS_TOTAL/SW_EVS_PER_Q_CHUNK)+1) +
			sw->qid_count*SW_IQS_MAX*2;

	/* If this is a reconfiguration, free the previous IQ allocation. All
	 * IQ chunk references were cleaned out of the QIDs in sw_stop(), and
	 * will be reinitialized in sw_start().
	 */
	rte_free(sw->chunks);

	sw->chunks = rte_malloc_socket(NULL,
				       sizeof(struct sw_queue_chunk) *
				       num_chunks,
				       0,
				       sw->data->socket_id);
	if (!sw->chunks)
		return -ENOMEM;

	sw->chunk_list_head = NULL;
	for (i = 0; i < num_chunks; i++)
		iq_free_chunk(sw, &sw->chunks[i]);

	if (conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT)
		return -ENOTSUP;

	return 0;
}

struct rte_eth_dev;