53 #define	__ATTR(_name, _mode, _show, _store) {				\  argument
54 	.attr = { .name = __stringify(_name), .mode = _mode },		\
57 #define	__ATTR_RO(_name) {						\  argument
58 	.attr = { .name = __stringify(_name), .mode = 0444 },		\
59 	.show = _name##_show,						\
61 #define	__ATTR_WO(_name)	__ATTR(_name, 0200, NULL, _name##_store)  argument
62 #define	__ATTR_RW(_name)	__ATTR(_name, 0644, _name##_show, _name##_store)  argument
65 #define	ATTRIBUTE_GROUPS(_name)						\  argument
66 	static struct attribute_group _name##_group = {			\
67 		.name = __stringify(_name),				\
68 		.attrs = _name##_attrs,					\
70 	static const struct attribute_group *_name##_groups[] = {	\
71 		&_name##_group,						\