+ struct virtio_pci_dev *dev = eth_dev->data->dev_private;
+ struct virtio_hw *hw = &dev->hw;
+ struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
+ int ret;
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ hw->port_id = eth_dev->data->port_id;
+ VTPCI_DEV(hw) = pci_dev;
+ ret = vtpci_init(RTE_ETH_DEV_TO_PCI(eth_dev), dev);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Failed to init PCI device\n");
+ return -1;
+ }
+ } else {
+ VTPCI_DEV(hw) = pci_dev;
+ if (dev->modern)
+ VIRTIO_OPS(hw) = &modern_ops;
+ else
+ VIRTIO_OPS(hw) = &legacy_ops;
+
+ ret = virtio_remap_pci(RTE_ETH_DEV_TO_PCI(eth_dev), dev);
+ if (ret < 0) {
+ PMD_INIT_LOG(ERR, "Failed to remap PCI device\n");
+ return -1;
+ }
+ }
+
+ ret = eth_virtio_dev_init(eth_dev);
+ if (ret < 0) {
+ PMD_INIT_LOG(ERR, "Failed to init virtio device\n");
+ goto err_unmap;
+ }
+
+ PMD_INIT_LOG(DEBUG, "port %d vendorID=0x%x deviceID=0x%x",
+ eth_dev->data->port_id, pci_dev->id.vendor_id,
+ pci_dev->id.device_id);
+
+ return 0;
+
+err_unmap:
+ rte_pci_unmap_device(RTE_ETH_DEV_TO_PCI(eth_dev));
+ if (!dev->modern)
+ vtpci_legacy_ioport_unmap(hw);
+
+ return ret;