133     struct vring_desc *desc;  member
147     vr->desc = (struct vring_desc *)p;  in vring_init()
201     vq->first_unused = vq->vring.desc[idx].next;  in get_unused_desc()
212     while (vq->vring.desc[idx].flags & VIRTQ_DESC_F_NEXT) {  in put_unused_desc_chain()
213         idx = vq->vring.desc[idx].next;  in put_unused_desc_chain()
217     vq->vring.desc[idx].flags = VIRTQ_DESC_F_NEXT;  in put_unused_desc_chain()
218     vq->vring.desc[idx].next = vq->first_unused;  in put_unused_desc_chain()
241         struct vring_desc *desc = (struct vring_desc *)va_indirect;  in virtqueue_add_buf_split()  local
244             desc[i].flags = (i < out ? 0 : VIRTQ_DESC_F_WRITE);  in virtqueue_add_buf_split()
245             desc[i].flags |= VIRTQ_DESC_F_NEXT;  in virtqueue_add_buf_split()
246             desc[i].addr = sg[i].physAddr.QuadPart;  in virtqueue_add_buf_split()
247             desc[i].len = sg[i].length;  in virtqueue_add_buf_split()
248             desc[i].next = (u16)i + 1;  in virtqueue_add_buf_split()
250         desc[i - 1].flags &= ~VIRTQ_DESC_F_NEXT;  in virtqueue_add_buf_split()
253         vq->vring.desc[idx].flags = VIRTQ_DESC_F_INDIRECT;  in virtqueue_add_buf_split()
254         vq->vring.desc[idx].addr = phys_indirect;  in virtqueue_add_buf_split()
255         vq->vring.desc[idx].len = i * sizeof(struct vring_desc);  in virtqueue_add_buf_split()
270         vring->desc[idx].addr = sg[0].physAddr.QuadPart;  in virtqueue_add_buf_split()
271         vring->desc[idx].len = sg[0].length;  in virtqueue_add_buf_split()
272         vring->desc[idx].flags = VIRTQ_DESC_F_NEXT;  in virtqueue_add_buf_split()
274             vring->desc[idx].flags |= VIRTQ_DESC_F_WRITE;  in virtqueue_add_buf_split()
276         vring->desc[idx].next = vq->first_unused;  in virtqueue_add_buf_split()
282             vring->desc[last_idx].addr = sg[i].physAddr.QuadPart;  in virtqueue_add_buf_split()
283             vring->desc[last_idx].len = sg[i].length;  in virtqueue_add_buf_split()
284             vring->desc[last_idx].flags = VIRTQ_DESC_F_NEXT;  in virtqueue_add_buf_split()
286                 vring->desc[last_idx].flags |= VIRTQ_DESC_F_WRITE;  in virtqueue_add_buf_split()
288             vring->desc[last_idx].next = vq->first_unused;  in virtqueue_add_buf_split()
290         vring->desc[last_idx].flags &= ~VIRTQ_DESC_F_NEXT;  in virtqueue_add_buf_split()
439     void *pages = vq->vring.desc;  in virtqueue_shutdown_split()
514         vq->vring.desc[i].flags = VIRTQ_DESC_F_NEXT;  in vring_new_virtqueue_split()
515         vq->vring.desc[i].next = i + 1;  in vring_new_virtqueue_split()