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