+ if (fs_ethdev_portid_get(da->name, &pid) != 0) {
+ struct rte_eth_dev_owner pid_owner;
+
+ ret = rte_eal_hotplug_add(da->bus->name,
+ da->name,
+ da->args);
+ if (ret < 0) {
+ ERROR("sub_device %d probe failed %s%s%s", i,
+ rte_errno ? "(" : "",
+ rte_errno ? strerror(rte_errno) : "",
+ rte_errno ? ")" : "");
+ continue;
+ }
+ if (fs_ethdev_portid_get(da->name, &pid) != 0) {
+ ERROR("sub_device %d init went wrong", i);
+ return -ENODEV;
+ }
+ /*
+ * The NEW callback tried to take ownership, check
+ * whether it succeed or didn't.
+ */
+ rte_eth_dev_owner_get(pid, &pid_owner);
+ if (pid_owner.id != PRIV(dev)->my_owner.id) {
+ INFO("sub_device %d owner(%s_%016"PRIX64") is not my,"
+ " owner(%s_%016"PRIX64"), will try again later",
+ i, pid_owner.name, pid_owner.id,
+ PRIV(dev)->my_owner.name,
+ PRIV(dev)->my_owner.id);
+ continue;
+ }
+ } else {
+ /* The sub-device port was found. */
+ char devstr[DEVARGS_MAXLEN] = "";
+ struct rte_devargs *probed_da =
+ rte_eth_devices[pid].device->devargs;
+
+ /* Take control of probed device. */
+ rte_devargs_reset(da);
+ memset(da, 0, sizeof(*da));
+ if (probed_da != NULL)
+ snprintf(devstr, sizeof(devstr), "%s,%s",
+ probed_da->name, probed_da->args);
+ else
+ strlcpy(devstr,
+ rte_eth_devices[pid].device->name,
+ sizeof(devstr));
+ ret = rte_devargs_parse(da, devstr);
+ if (ret) {
+ ERROR("Probed devargs parsing failed with code"
+ " %d", ret);
+ return ret;
+ }
+ INFO("Taking control of a probed sub device"
+ " %d named %s", i, da->name);
+ ret = rte_eth_dev_owner_set(pid, &PRIV(dev)->my_owner);
+ if (ret < 0) {
+ INFO("sub_device %d owner set failed (%s), "
+ "will try again later", i, strerror(-ret));
+ continue;
+ } else if (strncmp(rte_eth_devices[pid].device->name,
+ da->name, strlen(da->name)) != 0) {
+ /*
+ * The device probably was removed and its port
+ * id was reallocated before ownership set.
+ */
+ rte_eth_dev_owner_unset(pid,
+ PRIV(dev)->my_owner.id);
+ INFO("sub_device %d was removed before taking"
+ " ownership, will try again later", i);
+ continue;