1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2017 Brocade Communications Systems, Inc. 5 * Author: Jan Blunck <[email protected]> 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of the copyright holder nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef _RTE_ETHDEV_VDEV_H_ 35 #define _RTE_ETHDEV_VDEV_H_ 36 37 #include <rte_config.h> 38 #include <rte_malloc.h> 39 #include <rte_bus_vdev.h> 40 #include <rte_ethdev_driver.h> 41 42 /** 43 * @internal 44 * Allocates a new ethdev slot for an ethernet device and returns the pointer 45 * to that slot for the driver to use. 46 * 47 * @param dev 48 * Pointer to virtual device 49 * 50 * @param private_data_size 51 * Size of private data structure 52 * 53 * @return 54 * A pointer to a rte_eth_dev or NULL if allocation failed. 55 */ 56 static inline struct rte_eth_dev * 57 rte_eth_vdev_allocate(struct rte_vdev_device *dev, size_t private_data_size) 58 { 59 struct rte_eth_dev *eth_dev; 60 const char *name = rte_vdev_device_name(dev); 61 62 eth_dev = rte_eth_dev_allocate(name); 63 if (!eth_dev) 64 return NULL; 65 66 if (private_data_size) { 67 eth_dev->data->dev_private = rte_zmalloc_socket(name, 68 private_data_size, RTE_CACHE_LINE_SIZE, 69 dev->device.numa_node); 70 if (!eth_dev->data->dev_private) { 71 rte_eth_dev_release_port(eth_dev); 72 return NULL; 73 } 74 } 75 76 eth_dev->device = &dev->device; 77 eth_dev->intr_handle = NULL; 78 79 eth_dev->data->kdrv = RTE_KDRV_NONE; 80 eth_dev->data->numa_node = dev->device.numa_node; 81 return eth_dev; 82 } 83 84 #endif /* _RTE_ETHDEV_VDEV_H_ */ 85