diff options
Diffstat (limited to 'include/linux/virtio.h')
-rw-r--r-- | include/linux/virtio.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/include/linux/virtio.h b/include/linux/virtio.h index 14e1379..951d817 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -11,15 +11,13 @@ /** * virtqueue - a queue to register buffers for sending or receiving. * @callback: the function to call when buffers are consumed (can be NULL). - * If this returns false, callbacks are suppressed until vq_ops->restart - * is called. * @vdev: the virtio device this queue was created for. * @vq_ops: the operations for this virtqueue (see below). * @priv: a pointer for the virtqueue implementation to use. */ struct virtqueue { - bool (*callback)(struct virtqueue *vq); + void (*callback)(struct virtqueue *vq); struct virtio_device *vdev; struct virtqueue_ops *vq_ops; void *priv; @@ -41,7 +39,9 @@ struct virtqueue * vq: the struct virtqueue we're talking about. * len: the length written into the buffer * Returns NULL or the "data" token handed to add_buf. - * @restart: restart callbacks after callback returned false. + * @disable_cb: disable callbacks + * vq: the struct virtqueue we're talking about. + * @enable_cb: restart callbacks after disable_cb. * vq: the struct virtqueue we're talking about. * This returns "false" (and doesn't re-enable) if there are pending * buffers in the queue, to avoid a race. @@ -65,7 +65,8 @@ struct virtqueue_ops { void *(*get_buf)(struct virtqueue *vq, unsigned int *len); - bool (*restart)(struct virtqueue *vq); + void (*disable_cb)(struct virtqueue *vq); + bool (*enable_cb)(struct virtqueue *vq); void (*shutdown)(struct virtqueue *vq); }; |