/*
* Function is called from the CUSE open function. The device structure is
* initialised and a new entry is added to the device configuration linked
* list.
*/
static int
new_device(struct vhost_device_ctx ctx)
{
struct virtio_net_config_ll *new_ll_dev;
struct vhost_virtqueue *virtqueue_rx, *virtqueue_tx;
/* Setup device and virtqueues. */
new_ll_dev = malloc(sizeof(struct virtio_net_config_ll));
if (new_ll_dev == NULL) {
RTE_LOG(ERR, VHOST_CONFIG,
"(%"PRIu64") Failed to allocate memory for dev.\n",
ctx.fh);
return -1;
}
virtqueue_rx = malloc(sizeof(struct vhost_virtqueue));
if (virtqueue_rx == NULL) {
free(new_ll_dev);
RTE_LOG(ERR, VHOST_CONFIG,
"(%"PRIu64") Failed to allocate memory for rxq.\n",
ctx.fh);
return -1;
}
virtqueue_tx = malloc(sizeof(struct vhost_virtqueue));
if (virtqueue_tx == NULL) {
free(virtqueue_rx);
free(new_ll_dev);
RTE_LOG(ERR, VHOST_CONFIG,
"(%"PRIu64") Failed to allocate memory for txq.\n",
ctx.fh);
return -1;
}
new_ll_dev->dev.virtqueue[VIRTIO_RXQ] = virtqueue_rx;
new_ll_dev->dev.virtqueue[VIRTIO_TXQ] = virtqueue_tx;
/* Initialise device and virtqueues. */
init_device(&new_ll_dev->dev);
new_ll_dev->next = NULL;
/* Add entry to device configuration linked list. */
add_config_ll_entry(new_ll_dev);
return new_ll_dev->dev.device_fh;
}
/*
* Function is called from the CUSE open function. The device structure is
* initialised and a new entry is added to the device configuration linked
* list.
*/
static int
new_device(struct vhost_device_ctx ctx)
{
struct virtio_net_config_ll *new_ll_dev;
/* Setup device and virtqueues. */
new_ll_dev = rte_zmalloc(NULL, sizeof(struct virtio_net_config_ll), 0);
if (new_ll_dev == NULL) {
RTE_LOG(ERR, VHOST_CONFIG,
"(%"PRIu64") Failed to allocate memory for dev.\n",
ctx.fh);
return -1;
}
new_ll_dev->next = NULL;
/* Add entry to device configuration linked list. */
add_config_ll_entry(new_ll_dev);
return new_ll_dev->dev.device_fh;
}
