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rte_ethdev_vdev.h
1 /*-
2  * BSD LICENSE
3  *
4  * Copyright(c) 2017 Brocade Communications Systems, Inc.
5  * Author: Jan Blunck <jblunck@infradead.org>
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,
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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 
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_ */