iommu_pgsize
pgsize = iommu_pgsize(domain, iova, paddr, size, &count);
pgsize = iommu_pgsize(domain, iova, iova, size - unmapped, &count);
size_t iommu_pgsize = iopt->iova_alignment;
if ((bitmap->iova & (iommu_pgsize - 1)) ||
((last_iova + 1) & (iommu_pgsize - 1)))
size_t size, iommu_pgsize;
iommu_pgsize = (size_t)1 << __ffs(iommu->pgsize_bitmap);
if (range.bitmap.pgsize != iommu_pgsize) {
if (iova & (iommu_pgsize - 1)) {
if (size & (iommu_pgsize - 1)) {