Function rte_eth_dev_owner_get

dpdk/lib/ethdev/rte_ethdev.c:597–633

}

int
rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
{
	struct rte_eth_dev *ethdev;
	int ret;

	if (port_id >= RTE_MAX_ETHPORTS)
		return -ENODEV;

	ethdev = &rte_eth_devices[port_id];
	if (!eth_dev_is_allocated(ethdev)) {
		RTE_ETHDEV_LOG(ERR, "Port ID %"PRIu16" is not allocated\n",
			port_id);
		return -ENODEV;
	}

	if (owner == NULL) {
		RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u owner to NULL\n",
			port_id);
		return -EINVAL;
	}

	rte_spinlock_lock(rte_mcfg_ethdev_get_lock());

	if (eth_dev_shared_data_prepare() != NULL) {
		rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
		ret = 0;
	} else {
		ret = -ENOMEM;
	}

	rte_spinlock_unlock(rte_mcfg_ethdev_get_lock());

	rte_ethdev_trace_owner_get(port_id, owner, ret);

	return ret;
}

int
rte_eth_dev_socket_id(uint16_t port_id)