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ethdev_vdev.h
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ethdev_vdev.h
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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2017 Brocade Communications Systems, Inc.
* Author: Jan Blunck <jblunck@infradead.org>
*/
#ifndef _RTE_ETHDEV_VDEV_H_
#define _RTE_ETHDEV_VDEV_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <rte_config.h>
#include <rte_malloc.h>
#include <rte_bus_vdev.h>
#include <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->numa_node = dev->device.numa_node;
return eth_dev;
}
#ifdef __cplusplus
}
#endif
#endif /* _RTE_ETHDEV_VDEV_H_ */