diff options
Diffstat (limited to 'src/dpdk/drivers/net/virtio/virtio_user/virtio_user_dev.h')
| -rw-r--r-- | src/dpdk/drivers/net/virtio/virtio_user/virtio_user_dev.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/dpdk/drivers/net/virtio/virtio_user/virtio_user_dev.h b/src/dpdk/drivers/net/virtio/virtio_user/virtio_user_dev.h new file mode 100644 index 00000000..0d39f40c --- /dev/null +++ b/src/dpdk/drivers/net/virtio/virtio_user/virtio_user_dev.h @@ -0,0 +1,75 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2016 Intel Corporation. All rights reserved. + * All rights reserved. + * + * 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 Intel Corporation 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 _VIRTIO_USER_DEV_H +#define _VIRTIO_USER_DEV_H + +#include <limits.h> +#include "../virtio_pci.h" +#include "../virtio_ring.h" +#include "vhost.h" + +struct virtio_user_dev { + /* for vhost_user backend */ + int vhostfd; + + /* for vhost_kernel backend */ + char *ifname; + int *vhostfds; + int *tapfds; + + /* for both vhost_user and vhost_kernel */ + int callfds[VIRTIO_MAX_VIRTQUEUES * 2 + 1]; + int kickfds[VIRTIO_MAX_VIRTQUEUES * 2 + 1]; + int mac_specified; + uint32_t max_queue_pairs; + uint32_t queue_pairs; + uint32_t queue_size; + uint64_t features; /* the negotiated features with driver, + * and will be sync with device + */ + uint64_t device_features; /* supported features by device */ + uint8_t status; + uint8_t mac_addr[ETHER_ADDR_LEN]; + char path[PATH_MAX]; + struct vring vrings[VIRTIO_MAX_VIRTQUEUES * 2 + 1]; + struct virtio_user_backend_ops *ops; +}; + +int virtio_user_start_device(struct virtio_user_dev *dev); +int virtio_user_stop_device(struct virtio_user_dev *dev); +int virtio_user_dev_init(struct virtio_user_dev *dev, char *path, int queues, + int cq, int queue_size, const char *mac); +void virtio_user_dev_uninit(struct virtio_user_dev *dev); +void virtio_user_handle_cq(struct virtio_user_dev *dev, uint16_t queue_idx); +#endif |