16  * The io_mapping mechanism provides an abstraction for mapping
19  * See Documentation/io-mapping.txt
33  * For small address space machines, mapping large objects
56 io_mapping_fini(struct io_mapping *mapping)  in io_mapping_fini()  argument
58 	iomap_free(mapping->base, mapping->size);  in io_mapping_fini()
63 io_mapping_map_atomic_wc(struct io_mapping *mapping,  in io_mapping_map_atomic_wc()  argument
69 	BUG_ON(offset >= mapping->size);  in io_mapping_map_atomic_wc()
70 	phys_addr = mapping->base + offset;  in io_mapping_map_atomic_wc()
72 	return iomap_atomic_prot_pfn(pfn, mapping->prot);  in io_mapping_map_atomic_wc()
82 io_mapping_map_wc(struct io_mapping *mapping,  in io_mapping_map_wc()  argument
88 	BUG_ON(offset >= mapping->size);  in io_mapping_map_wc()
89 	phys_addr = mapping->base + offset;  in io_mapping_map_wc()
126 io_mapping_fini(struct io_mapping *mapping)  in io_mapping_fini()  argument
128 	iounmap(mapping->iomem);  in io_mapping_fini()
133 io_mapping_map_wc(struct io_mapping *mapping,  in io_mapping_map_wc()  argument
137 	return mapping->iomem + offset;  in io_mapping_map_wc()
147 io_mapping_map_atomic_wc(struct io_mapping *mapping,  in io_mapping_map_atomic_wc()  argument
152 	return io_mapping_map_wc(mapping, offset, PAGE_SIZE);  in io_mapping_map_atomic_wc()