- if (eal_parse_pci_DomBDF(name, &addr) == 0) {
- if (rte_pci_detach(&addr) < 0)
- goto err;
- } else {
- if (rte_vdev_uninit(name))
- goto err;
+int rte_eal_hotplug_add(const char *busname, const char *devname,
+ const char *devargs)
+{
+ struct rte_bus *bus;
+ struct rte_device *dev;
+ struct rte_devargs *da;
+ char *name;
+ 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->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;