+ ret = rte_eth_devargs_parse(pci_dev->device.devargs->args, ð_da);
+ if (ret)
+ return ret;
+
+ ret = rte_eth_dev_pci_generic_probe(pci_dev,
+ sizeof(struct ice_dcf_adapter),
+ ice_dcf_dev_init);
+ if (ret || !eth_da.nb_representor_ports)
+ return ret;
+ if (eth_da.type != RTE_ETH_REPRESENTOR_VF)
+ return -ENOTSUP;
+
+ dcf_ethdev = rte_eth_dev_allocated(pci_dev->device.name);
+ if (dcf_ethdev == NULL)
+ return -ENODEV;
+
+ dcf_adapter = dcf_ethdev->data->dev_private;
+ ret = ice_dcf_init_repr_info(dcf_adapter);
+ if (ret)
+ return ret;
+
+ if (eth_da.nb_representor_ports > dcf_adapter->real_hw.num_vfs ||
+ eth_da.nb_representor_ports >= RTE_MAX_ETHPORTS) {
+ PMD_DRV_LOG(ERR, "the number of port representors is too large: %u",
+ eth_da.nb_representor_ports);
+ ice_dcf_free_repr_info(dcf_adapter);
+ return -EINVAL;
+ }
+
+ dcf_vsi_id = dcf_adapter->real_hw.vsi_id | VIRTCHNL_DCF_VF_VSI_VALID;
+
+ repr_param.dcf_eth_dev = dcf_ethdev;
+ repr_param.switch_domain_id = 0;
+
+ for (i = 0; i < eth_da.nb_representor_ports; i++) {
+ uint16_t vf_id = eth_da.representor_ports[i];
+ struct rte_eth_dev *vf_rep_eth_dev;
+
+ if (vf_id >= dcf_adapter->real_hw.num_vfs) {
+ PMD_DRV_LOG(ERR, "VF ID %u is out of range (0 ~ %u)",
+ vf_id, dcf_adapter->real_hw.num_vfs - 1);
+ ret = -EINVAL;
+ break;
+ }
+
+ if (dcf_adapter->real_hw.vf_vsi_map[vf_id] == dcf_vsi_id) {
+ PMD_DRV_LOG(ERR, "VF ID %u is DCF's ID.\n", vf_id);
+ ret = -EINVAL;
+ break;
+ }
+
+ repr_param.vf_id = vf_id;
+ snprintf(repr_name, sizeof(repr_name), "net_%s_representor_%u",
+ pci_dev->device.name, vf_id);
+ ret = rte_eth_dev_create(&pci_dev->device, repr_name,
+ sizeof(struct ice_dcf_vf_repr),
+ NULL, NULL, ice_dcf_vf_repr_init,
+ &repr_param);
+ if (ret) {
+ PMD_DRV_LOG(ERR, "failed to create DCF VF representor %s",
+ repr_name);
+ break;
+ }
+
+ vf_rep_eth_dev = rte_eth_dev_allocated(repr_name);
+ if (!vf_rep_eth_dev) {
+ PMD_DRV_LOG(ERR,
+ "Failed to find the ethdev for DCF VF representor: %s",
+ repr_name);
+ ret = -ENODEV;
+ break;
+ }
+
+ dcf_adapter->repr_infos[vf_id].vf_rep_eth_dev = vf_rep_eth_dev;
+ dcf_adapter->num_reprs++;
+ }
+
+ return ret;