292 				    const struct vring_desc_extra *extra)  in vring_need_unmap_buffer()  argument
294 	return vring->use_dma_api && (extra->addr != DMA_MAPPING_ERROR);  in vring_need_unmap_buffer()
445 					  struct vring_desc_extra *extra)  in vring_unmap_one_split()  argument
449 	flags = extra->flags;  in vring_unmap_one_split()
456 				 extra->addr,  in vring_unmap_one_split()
457 				 extra->len,  in vring_unmap_one_split()
461 		if (!vring_need_unmap_buffer(vq, extra))  in vring_unmap_one_split()
465 			       extra->addr,  in vring_unmap_one_split()
466 			       extra->len,  in vring_unmap_one_split()
472 	return extra->next;  in vring_unmap_one_split()
479 	struct vring_desc_extra *extra;  in alloc_indirect_split()  local
490 	size = sizeof(*desc) * total_sg + sizeof(*extra) * total_sg;  in alloc_indirect_split()
496 	extra = (struct vring_desc_extra *)&desc[total_sg];  in alloc_indirect_split()
499 		extra[i].next = i + 1;  in alloc_indirect_split()
506 						    struct vring_desc_extra *extra,  in virtqueue_add_desc_split()  argument
518 	extra[i].addr = premapped ? DMA_MAPPING_ERROR : addr;  in virtqueue_add_desc_split()
519 	extra[i].len = len;  in virtqueue_add_desc_split()
520 	extra[i].flags = flags;  in virtqueue_add_desc_split()
522 	next = extra[i].next;  in virtqueue_add_desc_split()
540 	struct vring_desc_extra *extra;  in virtqueue_add_split()  local
576 		extra = (struct vring_desc_extra *)&desc[total_sg];  in virtqueue_add_split()
580 		extra = vq->split.desc_extra;  in virtqueue_add_split()
611 			i = virtqueue_add_desc_split(_vq, desc, extra, i, addr, len,  in virtqueue_add_split()
628 			i = virtqueue_add_desc_split(_vq, desc, extra, i, addr, len,  in virtqueue_add_split()
636 	if (!indirect && vring_need_unmap_buffer(vq, &extra[prev]))  in virtqueue_add_split()
706 		i = vring_unmap_one_split(vq, &extra[i]);  in virtqueue_add_split()
750 	struct vring_desc_extra *extra;  in detach_buf_split()  local
757 	extra = vq->split.desc_extra;  in detach_buf_split()
763 		vring_unmap_one_split(vq, &extra[i]);  in detach_buf_split()
768 	vring_unmap_one_split(vq, &extra[i]);  in detach_buf_split()
791 		extra = (struct vring_desc_extra *)&indir_desc[num];  in detach_buf_split()
795 				vring_unmap_one_split(vq, &extra[j]);  in detach_buf_split()
1043 	struct vring_desc_extra *extra;  in vring_alloc_state_extra_split()  local
1050 	extra = vring_alloc_desc_extra(num);  in vring_alloc_state_extra_split()
1051 	if (!extra)  in vring_alloc_state_extra_split()
1057 	vring_split->desc_extra = extra;  in vring_alloc_state_extra_split()
1270 				     const struct vring_desc_extra *extra)  in vring_unmap_extra_packed()  argument
1274 	flags = extra->flags;  in vring_unmap_extra_packed()
1281 				 extra->addr, extra->len,  in vring_unmap_extra_packed()
1285 		if (!vring_need_unmap_buffer(vq, extra))  in vring_unmap_extra_packed()
1289 			       extra->addr, extra->len,  in vring_unmap_extra_packed()
1298 	struct vring_desc_extra *extra;  in alloc_indirect_packed()  local
1309 	size = (sizeof(*desc) + sizeof(*extra)) * total_sg;  in alloc_indirect_packed()
1315 	extra = (struct vring_desc_extra *)&desc[total_sg];  in alloc_indirect_packed()
1318 		extra[i].next = i + 1;  in alloc_indirect_packed()
1332 	struct vring_desc_extra *extra;  in virtqueue_add_indirect_packed()  local
1344 	extra = (struct vring_desc_extra *)&desc[total_sg];  in virtqueue_add_indirect_packed()
1370 				extra[i].addr = premapped ? DMA_MAPPING_ERROR : addr;  in virtqueue_add_indirect_packed()
1371 				extra[i].len = len;  in virtqueue_add_indirect_packed()
1372 				extra[i].flags = n < out_sgs ?  0 : VRING_DESC_F_WRITE;  in virtqueue_add_indirect_packed()
1440 		vring_unmap_extra_packed(vq, &extra[i]);  in virtqueue_add_indirect_packed()
1678 		struct vring_desc_extra *extra;  in detach_buf_packed()  local
1690 			extra = (struct vring_desc_extra *)&desc[num];  in detach_buf_packed()
1693 				vring_unmap_extra_packed(vq, &extra[i]);  in detach_buf_packed()
2046 	struct vring_desc_extra *extra;  in vring_alloc_state_extra_packed()  local
2055 	extra = vring_alloc_desc_extra(num);  in vring_alloc_state_extra_packed()
2056 	if (!extra)  in vring_alloc_state_extra_packed()
2060 	vring_packed->desc_extra = extra;  in vring_alloc_state_extra_packed()