dpdk-fm10k/lib/librte_ethdev/rte_ethdev_vdev.h
Hemant Agrawal 08ab4769c2 add top-level SPDX license tag
This patch adds top level SPDX license identifiers for some of the DPDK
source and scripts, where the copyright owners have not yet agreed to
replace the full BSD-3 license plate.

This patch also add SPDX license tag for a file with no
previous license plates. (DPDK is BSD-3)

Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
2020-02-22 16:11:53 +01:00

83 lines
2.9 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* 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_ */