856 	struct marvel_agp_aperture *aper;  in marvel_agp_setup()  local
861 	aper = kmalloc(sizeof(*aper), GFP_KERNEL);  in marvel_agp_setup()
862 	if (aper == NULL) return -ENOMEM;  in marvel_agp_setup()
864 	aper->arena = agp->hose->sg_pci;  in marvel_agp_setup()
865 	aper->pg_count = alpha_agpgart_size / PAGE_SIZE;  in marvel_agp_setup()
866 	aper->pg_start = iommu_reserve(aper->arena, aper->pg_count,  in marvel_agp_setup()
867 				       aper->pg_count - 1);  in marvel_agp_setup()
869 	if (aper->pg_start < 0) {  in marvel_agp_setup()
871 		kfree(aper);  in marvel_agp_setup()
876 		aper->arena->dma_base + aper->pg_start * PAGE_SIZE;  in marvel_agp_setup()
877 	agp->aperture.size = aper->pg_count * PAGE_SIZE;  in marvel_agp_setup()
878 	agp->aperture.sysdata = aper;  in marvel_agp_setup()
886 	struct marvel_agp_aperture *aper = agp->aperture.sysdata;  in marvel_agp_cleanup()  local
889 	status = iommu_release(aper->arena, aper->pg_start, aper->pg_count);  in marvel_agp_cleanup()
893 		iommu_unbind(aper->arena, aper->pg_start, aper->pg_count);  in marvel_agp_cleanup()
894 		status = iommu_release(aper->arena, aper->pg_start,   in marvel_agp_cleanup()
895 				       aper->pg_count);  in marvel_agp_cleanup()
900 	kfree(aper);  in marvel_agp_cleanup()
971 	struct marvel_agp_aperture *aper = agp->aperture.sysdata;  in marvel_agp_bind_memory()  local
972 	return iommu_bind(aper->arena, aper->pg_start + pg_start,   in marvel_agp_bind_memory()
979 	struct marvel_agp_aperture *aper = agp->aperture.sysdata;  in marvel_agp_unbind_memory()  local
980 	return iommu_unbind(aper->arena, aper->pg_start + pg_start,  in marvel_agp_unbind_memory()
987 	struct marvel_agp_aperture *aper = agp->aperture.sysdata;  in marvel_agp_translate()  local
988 	unsigned long baddr = addr - aper->arena->dma_base;  in marvel_agp_translate()
997 	pte = aper->arena->ptes[baddr >> PAGE_SHIFT];  in marvel_agp_translate()