#define ERR_VIRTIO_TXQ_DISABLED 6
-static int virtio_free(struct vm_device * dev)
-{
-
- return 0;
-}
+
static int virtio_init_state(struct virtio_net_state * virtio)
{
return -ERR_VIRTIO_OTHER;
}
- return virtio->net_ops->send(buf, len, virtio->backend_data, NULL);
+ return virtio->net_ops->send(buf, len, virtio->backend_data);
}
flags = v3_lock_irqsave(virtio->rx_lock);
- virtio->net_ops->start_rx(virtio->backend_data);
- //disable_cb(&virtio->rx_vq);
+ if(virtio->net_ops->start_rx != NULL){
+ virtio->net_ops->start_rx(virtio->backend_data);
+ }
+ //disable_cb(&virtio->rx_vq);
v3_unlock_irqrestore(virtio->rx_lock, flags);
return ret_val;
}
+static int virtio_free(struct virtio_net_state * virtio) {
+
+ // unregister from PCI
+
+ V3_Free(virtio);
+ return 0;
+}
+
static struct v3_device_ops dev_ops = {
- .free = virtio_free,
- .reset = NULL,
- .start = NULL,
- .stop = NULL,
+ .free = (int (*)(void *))virtio_free,
};
net_state->net_ops = ops;
net_state->backend_data = private_data;
+ net_state->virtio_dev = virtio;
+
ops->recv = virtio_rx;
ops->poll = virtio_nic_poll;
virtio_state->pci_bus = pci_bus;
virtio_state->vm = vm;
- struct vm_device * dev = v3_allocate_device(dev_id, &dev_ops, virtio_state);
- if (v3_attach_device(vm, dev) == -1) {
+ struct vm_device * dev = v3_add_device(vm, dev_id, &dev_ops, virtio_state);
+
+ if (dev == NULL) {
PrintError("Virtio NIC: Could not attach device %s\n", dev_id);
+ V3_Free(virtio_state);
return -1;
}
if (v3_dev_add_net_frontend(vm, dev_id, connect_fn, (void *)virtio_state) == -1) {
PrintError("Virtio NIC: Could not register %s as net frontend\n", dev_id);
+ v3_remove_device(dev);
return -1;
}