97 void virtqueue_disable_intr(struct virtqueue *vq);
102 void virtqueue_detatch_unused(struct virtqueue *vq);
105 virtqueue_full(const struct virtqueue *vq)  in virtqueue_full()  argument
107 	return vq->vq_free_cnt == 0;  in virtqueue_full()
110 #define VIRTQUEUE_NUSED(vq) \  argument
111 	((uint16_t)((vq)->vq_ring.used->idx - (vq)->vq_used_cons_idx))
114 vq_update_avail_idx(struct virtqueue *vq)  in vq_update_avail_idx()  argument
117 	vq->vq_ring.avail->idx = vq->vq_avail_idx;  in vq_update_avail_idx()
121 vq_update_avail_ring(struct virtqueue *vq, uint16_t desc_idx)  in vq_update_avail_ring()  argument
131 	avail_idx = (uint16_t)(vq->vq_avail_idx & (vq->vq_nentries - 1));  in vq_update_avail_ring()
132 	if (unlikely(vq->vq_ring.avail->ring[avail_idx] != desc_idx))  in vq_update_avail_ring()
133 		vq->vq_ring.avail->ring[avail_idx] = desc_idx;  in vq_update_avail_ring()
134 	vq->vq_avail_idx++;  in vq_update_avail_ring()
138 virtqueue_kick_prepare(struct virtqueue *vq)  in virtqueue_kick_prepare()  argument
140 	return !(vq->vq_ring.used->flags & VRING_USED_F_NO_NOTIFY);  in virtqueue_kick_prepare()
144 virtqueue_notify(struct virtqueue *vq)  in virtqueue_notify()  argument
151 	VTPCI_OPS(vq->hw)->notify_queue(vq->hw, vq);  in virtqueue_notify()
157 #define VIRTQUEUE_DUMP(vq) do { \  argument
159 	used_idx = (vq)->vq_ring.used->idx; \
160 	nused = (uint16_t)(used_idx - (vq)->vq_used_cons_idx); \
165 	  (vq)->vq_nentries, (vq)->vq_free_cnt, nused, \
166 	  (vq)->vq_desc_head_idx, (vq)->vq_ring.avail->idx, \
167 	  (vq)->vq_used_cons_idx, (vq)->vq_ring.used->idx, \
168 	  (vq)->vq_ring.avail->flags, (vq)->vq_ring.used->flags); \