+ ret = bus->plug(dev);
+ if (ret) {
+ RTE_LOG(ERR, EAL, "Driver cannot attach the device (%s)\n",
+ dev->name);
+ goto err_devarg;
+ }
+ return 0;
+
+err_devarg:
+ if (rte_devargs_remove(busname, devname)) {
+ free(da->args);
+ free(da);
+ }
+ return ret;
+}
+
+int __rte_experimental
+rte_eal_hotplug_remove(const char *busname, const char *devname)
+{
+ struct rte_bus *bus;
+ struct rte_device *dev;
+ int ret;
+
+ bus = rte_bus_find_by_name(busname);
+ if (bus == NULL) {
+ RTE_LOG(ERR, EAL, "Cannot find bus (%s)\n", busname);
+ return -ENOENT;
+ }
+
+ if (bus->unplug == NULL) {
+ RTE_LOG(ERR, EAL, "Function unplug not supported by bus (%s)\n",
+ bus->name);
+ return -ENOTSUP;
+ }
+
+ dev = bus->find_device(NULL, cmp_dev_name, devname);
+ if (dev == NULL) {
+ RTE_LOG(ERR, EAL, "Cannot find plugged device (%s)\n", devname);
+ return -EINVAL;
+ }
+
+ ret = bus->unplug(dev);
+ if (ret)
+ RTE_LOG(ERR, EAL, "Driver cannot detach the device (%s)\n",
+ dev->name);
+ rte_devargs_remove(busname, devname);
+ return ret;
+}
+
+int __rte_experimental
+rte_dev_event_callback_register(const char *device_name,
+ rte_dev_event_cb_fn cb_fn,
+ void *cb_arg)
+{
+ struct dev_event_callback *event_cb;
+ int ret;
+
+ if (!cb_fn)
+ return -EINVAL;
+
+ rte_spinlock_lock(&dev_event_lock);
+
+ if (TAILQ_EMPTY(&dev_event_cbs))
+ TAILQ_INIT(&dev_event_cbs);
+
+ TAILQ_FOREACH(event_cb, &dev_event_cbs, next) {
+ if (event_cb->cb_fn == cb_fn && event_cb->cb_arg == cb_arg) {
+ if (device_name == NULL && event_cb->dev_name == NULL)
+ break;
+ if (device_name == NULL || event_cb->dev_name == NULL)
+ continue;
+ if (!strcmp(event_cb->dev_name, device_name))
+ break;