580 	struct pci_iommu_arena *arena;  member
597 	aper->arena = agp->hose->sg_pci;  in titan_agp_setup()
599 	aper->pg_start = iommu_reserve(aper->arena, aper->pg_count,  in titan_agp_setup()
608 		aper->arena->dma_base + aper->pg_start * PAGE_SIZE;  in titan_agp_setup()
621 	status = iommu_release(aper->arena, aper->pg_start, aper->pg_count);  in titan_agp_cleanup()
625 		iommu_unbind(aper->arena, aper->pg_start, aper->pg_count);  in titan_agp_cleanup()
626 		status = iommu_release(aper->arena, aper->pg_start,   in titan_agp_cleanup()
682 	return iommu_bind(aper->arena, aper->pg_start + pg_start,   in titan_agp_bind_memory()
690 	return iommu_unbind(aper->arena, aper->pg_start + pg_start,  in titan_agp_unbind_memory()
698 	unsigned long baddr = addr - aper->arena->dma_base;  in titan_agp_translate()
707 	pte = aper->arena->ptes[baddr >> PAGE_SHIFT];  in titan_agp_translate()