Function new_device

dpdk/drivers/net/vhost/rte_eth_vhost.c:813–872

}

static int
new_device(int vid)
{
	struct rte_eth_dev *eth_dev;
	struct internal_list *list;
	struct pmd_internal *internal;
	struct rte_eth_conf *dev_conf;
	unsigned i;
	char ifname[PATH_MAX];
#ifdef RTE_LIBRTE_VHOST_NUMA
	int newnode;
#endif

	rte_vhost_get_ifname(vid, ifname, sizeof(ifname));
	list = find_internal_resource(ifname);
	if (list == NULL) {
		VHOST_LOG(INFO, "Invalid device name: %s\n", ifname);
		return -1;
	}

	eth_dev = list->eth_dev;
	internal = eth_dev->data->dev_private;
	dev_conf = &eth_dev->data->dev_conf;

#ifdef RTE_LIBRTE_VHOST_NUMA
	newnode = rte_vhost_get_numa_node(vid);
	if (newnode >= 0)
		eth_dev->data->numa_node = newnode;
#endif

	if (rte_vhost_get_negotiated_features(vid, &internal->features)) {
		VHOST_LOG(ERR, "Failed to get device features\n");
		return -1;
	}

	internal->vid = vid;
	if (rte_atomic32_read(&internal->started) == 1) {
		queue_setup(eth_dev, internal);
		if (dev_conf->intr_conf.rxq)
			eth_vhost_configure_intr(eth_dev);
	}

	for (i = 0; i < rte_vhost_get_vring_num(vid); i++)
		rte_vhost_enable_guest_notification(vid, i, 0);

	rte_vhost_get_mtu(vid, &eth_dev->data->mtu);

	eth_dev->data->dev_link.link_status = RTE_ETH_LINK_UP;

	vhost_dev_csum_configure(eth_dev);

	rte_atomic32_set(&internal->dev_attached, 1);
	update_queuing_status(eth_dev, false);

	VHOST_LOG(INFO, "Vhost device %d created\n", vid);

	rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_INTR_LSC, NULL);