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