DPDK  20.11.3
rte_ethdev_vdev.h
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2017 Brocade Communications Systems, Inc.
3  * Author: Jan Blunck <jblunck@infradead.org>
4  */
5 
6 #ifndef _RTE_ETHDEV_VDEV_H_
7 #define _RTE_ETHDEV_VDEV_H_
8 
9 #include <rte_config.h>
10 #include <rte_malloc.h>
11 #include <rte_bus_vdev.h>
12 #include <rte_ethdev_driver.h>
13 
28 static inline struct rte_eth_dev *
29 rte_eth_vdev_allocate(struct rte_vdev_device *dev, size_t private_data_size)
30 {
31  struct rte_eth_dev *eth_dev;
32  const char *name = rte_vdev_device_name(dev);
33 
34  eth_dev = rte_eth_dev_allocate(name);
35  if (!eth_dev)
36  return NULL;
37 
38  if (private_data_size) {
39  eth_dev->data->dev_private = rte_zmalloc_socket(name,
40  private_data_size, RTE_CACHE_LINE_SIZE,
41  dev->device.numa_node);
42  if (!eth_dev->data->dev_private) {
43  rte_eth_dev_release_port(eth_dev);
44  return NULL;
45  }
46  }
47 
48  eth_dev->device = &dev->device;
49  eth_dev->intr_handle = NULL;
50 
51  eth_dev->data->numa_node = dev->device.numa_node;
52  return eth_dev;
53 }
54 
55 #endif /* _RTE_ETHDEV_VDEV_H_ */
void * rte_zmalloc_socket(const char *type, size_t size, unsigned align, int socket) __rte_alloc_size(2)