56 /** * struct ttm_bus_placement * * @addr: mapped virtual address * @base: bus base address * @is_iomem: is this io memory ? * @size: size in byte * @offset: offset from the base address * @io_reserved_vm: The VM system has a refcount in @io_reserved_count * @io_reserved_count: Refcounting the numbers of callers to ttm_mem_io_reserve * * Structure indicating the bus placement of an object. */