- if (name == NULL || devargs == NULL) {
- RTE_LOG(ERR, EAL, "Invalid device or arguments provided\n");
- return -EINVAL;
+ len = snprintf(NULL, 0, "%s:%s,%s", bus, dev, args);
+ name = calloc(1, len);
+ if (name == NULL) {
+ RTE_LOG(ERR, EAL, "Could not allocate full device name\n");
+ return NULL;
+ }
+ snprintf(name, len, "%s:%s,%s", bus, dev, args);
+ return name;
+}
+
+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;