291 				    const struct vring_desc_extra *extra)  in vring_need_unmap_buffer()  argument
293 	return vring->use_map_api && (extra->addr != DMA_MAPPING_ERROR);  in vring_need_unmap_buffer()
456 					  struct vring_desc_extra *extra)  in vring_unmap_one_split()  argument
460 	flags = extra->flags;  in vring_unmap_one_split()
465 	} else if (!vring_need_unmap_buffer(vq, extra))  in vring_unmap_one_split()
469 				   extra->addr,  in vring_unmap_one_split()
470 				   extra->len,  in vring_unmap_one_split()
476 	return extra->next;  in vring_unmap_one_split()
483 	struct vring_desc_extra *extra;  in alloc_indirect_split()  local
494 	size = sizeof(*desc) * total_sg + sizeof(*extra) * total_sg;  in alloc_indirect_split()
500 	extra = (struct vring_desc_extra *)&desc[total_sg];  in alloc_indirect_split()
503 		extra[i].next = i + 1;  in alloc_indirect_split()
510 						    struct vring_desc_extra *extra,  in virtqueue_add_desc_split()  argument
522 	extra[i].addr = premapped ? DMA_MAPPING_ERROR : addr;  in virtqueue_add_desc_split()
523 	extra[i].len = len;  in virtqueue_add_desc_split()
524 	extra[i].flags = flags;  in virtqueue_add_desc_split()
526 	next = extra[i].next;  in virtqueue_add_desc_split()
544 	struct vring_desc_extra *extra;  in virtqueue_add_split()  local
580 		extra = (struct vring_desc_extra *)&desc[total_sg];  in virtqueue_add_split()
584 		extra = vq->split.desc_extra;  in virtqueue_add_split()
615 			i = virtqueue_add_desc_split(_vq, desc, extra, i, addr, len,  in virtqueue_add_split()
632 			i = virtqueue_add_desc_split(_vq, desc, extra, i, addr, len,  in virtqueue_add_split()
640 	if (!indirect && vring_need_unmap_buffer(vq, &extra[prev]))  in virtqueue_add_split()
710 		i = vring_unmap_one_split(vq, &extra[i]);  in virtqueue_add_split()
754 	struct vring_desc_extra *extra;  in detach_buf_split()  local
761 	extra = vq->split.desc_extra;  in detach_buf_split()
767 		vring_unmap_one_split(vq, &extra[i]);  in detach_buf_split()
772 	vring_unmap_one_split(vq, &extra[i]);  in detach_buf_split()
795 		extra = (struct vring_desc_extra *)&indir_desc[num];  in detach_buf_split()
799 				vring_unmap_one_split(vq, &extra[j]);  in detach_buf_split()
1047 	struct vring_desc_extra *extra;  in vring_alloc_state_extra_split()  local
1054 	extra = vring_alloc_desc_extra(num);  in vring_alloc_state_extra_split()
1055 	if (!extra)  in vring_alloc_state_extra_split()
1061 	vring_split->desc_extra = extra;  in vring_alloc_state_extra_split()
1275 				     const struct vring_desc_extra *extra)  in vring_unmap_extra_packed()  argument
1279 	flags = extra->flags;  in vring_unmap_extra_packed()
1284 	} else if (!vring_need_unmap_buffer(vq, extra))  in vring_unmap_extra_packed()
1288 				   extra->addr, extra->len,  in vring_unmap_extra_packed()
1297 	struct vring_desc_extra *extra;  in alloc_indirect_packed()  local
1308 	size = (sizeof(*desc) + sizeof(*extra)) * total_sg;  in alloc_indirect_packed()
1314 	extra = (struct vring_desc_extra *)&desc[total_sg];  in alloc_indirect_packed()
1317 		extra[i].next = i + 1;  in alloc_indirect_packed()
1331 	struct vring_desc_extra *extra;  in virtqueue_add_indirect_packed()  local
1343 	extra = (struct vring_desc_extra *)&desc[total_sg];  in virtqueue_add_indirect_packed()
1369 				extra[i].addr = premapped ? DMA_MAPPING_ERROR : addr;  in virtqueue_add_indirect_packed()
1370 				extra[i].len = len;  in virtqueue_add_indirect_packed()
1371 				extra[i].flags = n < out_sgs ?  0 : VRING_DESC_F_WRITE;  in virtqueue_add_indirect_packed()
1439 		vring_unmap_extra_packed(vq, &extra[i]);  in virtqueue_add_indirect_packed()
1677 		struct vring_desc_extra *extra;  in detach_buf_packed()  local
1689 			extra = (struct vring_desc_extra *)&desc[num];  in detach_buf_packed()
1692 				vring_unmap_extra_packed(vq, &extra[i]);  in detach_buf_packed()
2045 	struct vring_desc_extra *extra;  in vring_alloc_state_extra_packed()  local
2054 	extra = vring_alloc_desc_extra(num);  in vring_alloc_state_extra_packed()
2055 	if (!extra)  in vring_alloc_state_extra_packed()
2059 	vring_packed->desc_extra = extra;  in vring_alloc_state_extra_packed()