| #ifndef _LINUX_VIRTIO_RING_H | 
 | #define _LINUX_VIRTIO_RING_H | 
 |  | 
 | #include <linux/irqreturn.h> | 
 | #include <uapi/linux/virtio_ring.h> | 
 |  | 
 | struct virtio_device; | 
 | struct virtqueue; | 
 |  | 
 | struct virtqueue *vring_new_virtqueue(unsigned int index, | 
 | 				      unsigned int num, | 
 | 				      unsigned int vring_align, | 
 | 				      struct virtio_device *vdev, | 
 | 				      bool weak_barriers, | 
 | 				      void *pages, | 
 | 				      void (*notify)(struct virtqueue *vq), | 
 | 				      void (*callback)(struct virtqueue *vq), | 
 | 				      const char *name); | 
 | void vring_del_virtqueue(struct virtqueue *vq); | 
 | /* Filter out transport-specific feature bits. */ | 
 | void vring_transport_features(struct virtio_device *vdev); | 
 |  | 
 | irqreturn_t vring_interrupt(int irq, void *_vq); | 
 | #endif /* _LINUX_VIRTIO_RING_H */ |