+
+ if (bus->plug == NULL) {
+ RTE_LOG(ERR, EAL, "Function plug not supported by bus (%s)\n",
+ bus->name);
+ return -ENOTSUP;
+ }
+
+ name = full_dev_name(busname, devname, devargs);
+ if (name == NULL)
+ return -ENOMEM;
+
+ da = calloc(1, sizeof(*da));
+ if (da == NULL) {
+ ret = -ENOMEM;
+ goto err_name;
+ }
+
+ ret = rte_eal_devargs_parse(name, da);
+ if (ret)
+ goto err_devarg;
+
+ ret = rte_eal_devargs_insert(da);
+ if (ret)
+ goto err_devarg;
+
+ ret = bus->scan();
+ if (ret)
+ goto err_devarg;
+
+ dev = bus->find_device(NULL, cmp_detached_dev_name, devname);
+ if (dev == NULL) {
+ RTE_LOG(ERR, EAL, "Cannot find unplugged device (%s)\n",
+ devname);
+ ret = -ENODEV;
+ goto err_devarg;
+ }
+
+ ret = bus->plug(dev);
+ if (ret) {
+ RTE_LOG(ERR, EAL, "Driver cannot attach the device (%s)\n",
+ dev->name);
+ goto err_devarg;
+ }
+ free(name);