193 	int ioptex, i;  in __sbus_iommu_map_page()  local
213 	ioptex = bit_map_string_get(&iommu->usemap, npages, pfn);  in __sbus_iommu_map_page()
214 	if (ioptex < 0)  in __sbus_iommu_map_page()
216 	busa0 = iommu->start + (ioptex << PAGE_SHIFT);  in __sbus_iommu_map_page()
217 	iopte0 = &iommu->page_table[ioptex];  in __sbus_iommu_map_page()
286 	unsigned int ioptex = (busa - iommu->start) >> PAGE_SHIFT;  in sbus_iommu_unmap_page()  local
291 		iopte_val(iommu->page_table[ioptex + i]) = 0;  in sbus_iommu_unmap_page()
295 	bit_map_clear(&iommu->usemap, ioptex, npages);  in sbus_iommu_unmap_page()
319 	int ioptex;  in sbus_iommu_alloc()  local
339 	ioptex = bit_map_string_get(&iommu->usemap, len >> PAGE_SHIFT,  in sbus_iommu_alloc()
341 	if (ioptex < 0)  in sbus_iommu_alloc()
344 	iopte += ioptex;  in sbus_iommu_alloc()
386 	*dma_handle = iommu->start + (ioptex << PAGE_SHIFT);  in sbus_iommu_alloc()
400 	int ioptex = (busa - iommu->start) >> PAGE_SHIFT;  in sbus_iommu_free()  local
409 	iopte += ioptex;  in sbus_iommu_free()
417 	bit_map_clear(&iommu->usemap, ioptex, len >> PAGE_SHIFT);  in sbus_iommu_free()