* @reset: reset the device
* vdev: the virtio device
* After this, status and feature negotiation must be done again
+ * Device must not be reset from its vq/config callbacks, or in
+ * parallel with being added/removed.
* @find_vqs: find virtqueues and instantiate them.
* vdev: the virtio_device
* nvqs: the number of virtqueues to find
#define virtio_config_val(vdev, fbit, offset, v) \
virtio_config_buf((vdev), (fbit), (offset), (v), sizeof(*v))
+#define virtio_config_val_len(vdev, fbit, offset, v, len) \
+ virtio_config_buf((vdev), (fbit), (offset), (v), (len))
+
static inline int virtio_config_buf(struct virtio_device *vdev,
unsigned int fbit,
unsigned int offset,