1 extern int iommu_is_span_boundary(unsigned int index, unsigned int nr,
3 unsigned long boundary_size);
4 extern unsigned long iommu_area_alloc(unsigned long *map, unsigned long size,
5 unsigned long start, unsigned int nr,
7 unsigned long boundary_size,
8 unsigned long align_mask);
9 extern void iommu_area_free(unsigned long *map, unsigned long start,