4 * Copyright(c) 2017 Brocade Communications Systems, Inc.
5 * Author: Jan Blunck <jblunck@infradead.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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
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.
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
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31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 #ifndef _RTE_ETHDEV_VDEV_H_
35 #define _RTE_ETHDEV_VDEV_H_
37 #include <rte_config.h>
38 #include <rte_malloc.h>
39 #include <rte_bus_vdev.h>
40 #include <rte_ethdev_driver.h>
44 * Allocates a new ethdev slot for an ethernet device and returns the pointer
45 * to that slot for the driver to use.
48 * Pointer to virtual device
50 * @param private_data_size
51 * Size of private data structure
54 * A pointer to a rte_eth_dev or NULL if allocation failed.
56 static inline struct rte_eth_dev *
57 rte_eth_vdev_allocate(struct rte_vdev_device *dev, size_t private_data_size)
59 struct rte_eth_dev *eth_dev;
60 const char *name = rte_vdev_device_name(dev);
62 eth_dev = rte_eth_dev_allocate(name);
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);
76 eth_dev->device = &dev->device;
77 eth_dev->intr_handle = NULL;
79 eth_dev->data->kdrv = RTE_KDRV_NONE;
80 eth_dev->data->numa_node = dev->device.numa_node;
84 #endif /* _RTE_ETHDEV_VDEV_H_ */