static PCIDevice *qemu_pci_hot_add_nic(Monitor *mon, const char *devaddr, const char *opts_str) { Error *local_err = NULL; QemuOpts *opts; PCIBus *bus; int ret, devfn; bus = pci_get_bus_devfn(&devfn, devaddr); if (!bus) { monitor_printf(mon, "Invalid PCI device address %s\n", devaddr); return NULL; } if (!((BusState*)bus)->allow_hotplug) { monitor_printf(mon, "PCI bus doesn't support hotplug\n"); return NULL; } opts = qemu_opts_parse(qemu_find_opts("net"), opts_str ? opts_str : "", 0); if (!opts) { return NULL; } qemu_opt_set(opts, "type", "nic"); ret = net_client_init(opts, 0, &local_err); if (error_is_set(&local_err)) { qerror_report_err(local_err); error_free(local_err); return NULL; } if (nd_table[ret].devaddr) { monitor_printf(mon, "Parameter addr not supported\n"); return NULL; } return pci_nic_init(&nd_table[ret], "rtl8139", devaddr); }