diff options
Diffstat (limited to 'qemu/roms/SLOF/lib/libvirtio/virtio-net.h')
| -rw-r--r-- | qemu/roms/SLOF/lib/libvirtio/virtio-net.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/qemu/roms/SLOF/lib/libvirtio/virtio-net.h b/qemu/roms/SLOF/lib/libvirtio/virtio-net.h new file mode 100644 index 000000000..bc7a189f7 --- /dev/null +++ b/qemu/roms/SLOF/lib/libvirtio/virtio-net.h @@ -0,0 +1,43 @@ +/****************************************************************************** + * Copyright (c) 2011 IBM Corporation + * All rights reserved. + * This program and the accompanying materials + * are made available under the terms of the BSD License + * which accompanies this distribution, and is available at + * http://www.opensource.org/licenses/bsd-license.php + * + * Contributors: + * IBM Corporation - initial implementation + *****************************************************************************/ + +#ifndef VIRTIO_NET_H +#define VIRTIO_NET_H + +#include <netdriver.h> + +#define RX_QUEUE_SIZE 128 +#define BUFFER_ENTRY_SIZE 1514 + +enum { + VQ_RX = 0, /* Receive Queue */ + VQ_TX = 1, /* Transmit Queue */ +}; + +struct vqs { + uint64_t id; /* Queue ID */ + uint32_t size; + void *buf_mem; + struct vring_desc *desc; + struct vring_avail *avail; + struct vring_used *used; +}; + +/* Device is identified by RX queue ID: */ +#define DEVICE_ID vq[0].id + +extern net_driver_t *virtionet_open(char *mac_addr, int len, struct virtio_device *dev); +extern void virtionet_close(net_driver_t *driver); +extern int virtionet_read(char *buf, int len); +extern int virtionet_write(char *buf, int len); + +#endif |