50 io_mapping_init_wc(struct io_mapping *mapping, resource_size_t base,  in io_mapping_init_wc()  argument
54 	mapping->base = base;  in io_mapping_init_wc()
55 	mapping->size = size;  in io_mapping_init_wc()
57 	mapping->mem = ioremap_wc(base, size);  in io_mapping_init_wc()
58 	mapping->attr = VM_MEMATTR_WRITE_COMBINING;  in io_mapping_init_wc()
60 	mapping->mem = ioremap_nocache(base, size);  in io_mapping_init_wc()
61 	mapping->attr = VM_MEMATTR_UNCACHEABLE;  in io_mapping_init_wc()
63 	return (mapping);  in io_mapping_init_wc()
69 	struct io_mapping *mapping;  in io_mapping_create_wc()  local
71 	mapping = kmalloc(sizeof(*mapping), GFP_KERNEL);  in io_mapping_create_wc()
72 	if (mapping == NULL)  in io_mapping_create_wc()
74 	return (io_mapping_init_wc(mapping, base, size));  in io_mapping_create_wc()
78 io_mapping_fini(struct io_mapping *mapping)  in io_mapping_fini()  argument
81 	iounmap(mapping->mem);  in io_mapping_fini()
85 io_mapping_free(struct io_mapping *mapping)  in io_mapping_free()  argument
88 	io_mapping_fini(mapping->mem);  in io_mapping_free()
89 	kfree(mapping);  in io_mapping_free()
93 io_mapping_map_atomic_wc(struct io_mapping *mapping, unsigned long offset)  in io_mapping_map_atomic_wc()  argument
96 	return ((char *)mapping->mem + offset);  in io_mapping_map_atomic_wc()
105 io_mapping_map_wc(struct io_mapping *mapping, unsigned long offset,  in io_mapping_map_wc()  argument
109 	return ((char *)mapping->mem + offset);  in io_mapping_map_wc()