1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2017 Brocade Communications Systems, Inc. 3 * Author: Jan Blunck <jblunck@infradead.org> 4 */ 5 6 #ifndef _RTE_ETHDEV_VDEV_H_ 7 #define _RTE_ETHDEV_VDEV_H_ 8 9 #include <rte_config.h> 10 #include <rte_malloc.h> 11 #include <rte_bus_vdev.h> 12 #include <ethdev_driver.h> 13 14 /** 15 * @internal 16 * Allocates a new ethdev slot for an Ethernet device and returns the pointer 17 * to that slot for the driver to use. 18 * 19 * @param dev 20 * Pointer to virtual device 21 * 22 * @param private_data_size 23 * Size of private data structure 24 * 25 * @return 26 * A pointer to a rte_eth_dev or NULL if allocation failed. 27 */ 28 static inline struct rte_eth_dev * 29 rte_eth_vdev_allocate(struct rte_vdev_device *dev, size_t private_data_size) 30 { 31 struct rte_eth_dev *eth_dev; 32 const char *name = rte_vdev_device_name(dev); 33 34 eth_dev = rte_eth_dev_allocate(name); 35 if (!eth_dev) 36 return NULL; 37 38 if (private_data_size) { 39 eth_dev->data->dev_private = rte_zmalloc_socket(name, 40 private_data_size, RTE_CACHE_LINE_SIZE, 41 dev->device.numa_node); 42 if (!eth_dev->data->dev_private) { 43 rte_eth_dev_release_port(eth_dev); 44 return NULL; 45 } 46 } 47 48 eth_dev->device = &dev->device; 49 eth_dev->intr_handle = NULL; 50 51 eth_dev->data->numa_node = dev->device.numa_node; 52 return eth_dev; 53 } 54 55 #endif /* _RTE_ETHDEV_VDEV_H_ */ 56