Lines Matching refs:unmap

208 	struct vfio_iommu_type1_dma_unmap unmap;
213 	if (copy_from_user(&unmap, arg, minsz))
216 	if (unmap.argsz < minsz || unmap.flags & ~supported_flags)
223 	if (unmap.flags & VFIO_DMA_UNMAP_FLAG_ALL) {
224 		if (unmap.iova != 0 || unmap.size != 0) {
236 			unsigned long iovas[] = { unmap.iova + unmap.size - 1,
237 						  unmap.iova - 1 };
240 					   unmap.iova ? 2 : 1);
244 		rc = iopt_unmap_iova(&ioas->iopt, unmap.iova, unmap.size,
247 	unmap.size = unmapped;
248 	if (copy_to_user(arg, &unmap, minsz))
338 	 * The difference between TYPE1 and TYPE1v2 is the ability to unmap in
343 	 * problematic large IOPTEs. Then we can safely unmap within any range.