Function __handle_secondary_request

dpdk/lib/eal/common/hotplug_mp.c:85–182

}

static void
__handle_secondary_request(void *param)
{
	struct mp_reply_bundle *bundle = param;
		const struct rte_mp_msg *msg = &bundle->msg;
	const struct eal_dev_mp_req *req =
		(const struct eal_dev_mp_req *)msg->param;
	struct eal_dev_mp_req tmp_req;
	struct rte_devargs da;
	struct rte_device *dev;
	struct rte_bus *bus;
	int ret = 0;

	tmp_req = *req;

	memset(&da, 0, sizeof(da));
	if (req->t == EAL_DEV_REQ_TYPE_ATTACH) {
		ret = local_dev_probe(req->devargs, &dev);
		if (ret != 0 && ret != -EEXIST) {
			RTE_LOG(ERR, EAL, "Failed to hotplug add device on primary\n");
			goto finish;
		}
		ret = eal_dev_hotplug_request_to_secondary(&tmp_req);
		if (ret != 0) {
			RTE_LOG(ERR, EAL, "Failed to send hotplug request to secondary\n");
			ret = -ENOMSG;
			goto rollback;
		}
		if (tmp_req.result != 0) {
			ret = tmp_req.result;
			RTE_LOG(ERR, EAL, "Failed to hotplug add device on secondary\n");
			if (ret != -EEXIST)
				goto rollback;
		}
	} else if (req->t == EAL_DEV_REQ_TYPE_DETACH) {
		ret = rte_devargs_parse(&da, req->devargs);
		if (ret != 0)
			goto finish;

		ret = eal_dev_hotplug_request_to_secondary(&tmp_req);
		if (ret != 0) {
			RTE_LOG(ERR, EAL, "Failed to send hotplug request to secondary\n");
			ret = -ENOMSG;
			goto rollback;
		}

		bus = rte_bus_find_by_name(da.bus->name);
		if (bus == NULL) {
			RTE_LOG(ERR, EAL, "Cannot find bus (%s)\n", da.bus->name);
			ret = -ENOENT;
			goto finish;
		}

		dev = bus->find_device(NULL, cmp_dev_name, da.name);
		if (dev == NULL) {
			RTE_LOG(ERR, EAL, "Cannot find plugged device (%s)\n", da.name);
			ret = -ENOENT;
			goto finish;