diff options
Diffstat (limited to 'lib/librte_ether/rte_ethdev_vdev.h')
| -rw-r--r-- | lib/librte_ether/rte_ethdev_vdev.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/lib/librte_ether/rte_ethdev_vdev.h b/lib/librte_ether/rte_ethdev_vdev.h new file mode 100644 index 00000000..fa2cb61e --- /dev/null +++ b/lib/librte_ether/rte_ethdev_vdev.h @@ -0,0 +1,84 @@ +/*- + * 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_malloc.h> +#include <rte_vdev.h> +#include <rte_ethdev.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; + eth_dev->data->drv_name = dev->device.driver->name; + return eth_dev; +} + +#endif /* _RTE_ETHDEV_VDEV_H_ */ |