52 io_mapping_init_wc(struct io_mapping *mapping, resource_size_t base,  in io_mapping_init_wc()  argument
56 	mapping->base = base;  in io_mapping_init_wc()
57 	mapping->size = size;  in io_mapping_init_wc()
59 	mapping->mem = ioremap_wc(base, size);  in io_mapping_init_wc()
60 	mapping->attr = VM_MEMATTR_WRITE_COMBINING;  in io_mapping_init_wc()
62 	mapping->mem = ioremap_nocache(base, size);  in io_mapping_init_wc()
63 	mapping->attr = VM_MEMATTR_UNCACHEABLE;  in io_mapping_init_wc()
65 	return (mapping);  in io_mapping_init_wc()
69 io_mapping_fini(struct io_mapping *mapping)  in io_mapping_fini()  argument
72 	iounmap(mapping->mem);  in io_mapping_fini()
76 io_mapping_free(struct io_mapping *mapping)  in io_mapping_free()  argument
79 	io_mapping_fini(mapping->mem);  in io_mapping_free()
80 	kfree(mapping);  in io_mapping_free()
84 io_mapping_map_atomic_wc(struct io_mapping *mapping, unsigned long offset)  in io_mapping_map_atomic_wc()  argument
87 	return ((char *)mapping->mem + offset);  in io_mapping_map_atomic_wc()
96 io_mapping_map_wc(struct io_mapping *mapping, unsigned long offset,  in io_mapping_map_wc()  argument
100 	return ((char *)mapping->mem + offset);  in io_mapping_map_wc()