/* SPDX-License-Identifier: GPL-2.0-only *//* * attribute_container.h - a generic container for all classes * * Copyright (c) 2005 - James Bottomley <James.Bottomley@steeleye.com> */ #ifndef _ATTRIBUTE_CONTAINER_H_#define _ATTRIBUTE_CONTAINER_H_ #include <linux/list.h>#include <linux/klist.h> struct device; struct attribute_container {	struct list_head	node;	struct klist		containers;	struct class		*class;	const struct attribute_group *grp;	struct device_attribute **attrs;	int (*match)(struct attribute_container *, struct device *);#define	ATTRIBUTE_CONTAINER_NO_CLASSDEVS	0x01	unsigned long		flags;}; static inline intattribute_container_no_classdevs(struct attribute_container *atc){	return atc->flags & ATTRIBUTE_CONTAINER_NO_CLASSDEVS;} static inline voidattribute_container_set_no_classdevs(struct attribute_container *atc){	atc->flags |= ATTRIBUTE_CONTAINER_NO_CLASSDEVS;} int attribute_container_register(struct attribute_container *cont);int __must_check attribute_container_unregister(struct attribute_container *cont);void attribute_container_create_device(struct device *dev,				       int (*fn)(struct attribute_container *,						 struct device *,						 struct device *));void attribute_container_add_device(struct device *dev,				    int (*fn)(struct attribute_container *,					      struct device *,					      struct device *));void attribute_container_remove_device(struct device *dev,				       void (*fn)(struct attribute_container *,						  struct device *,						  struct device *));void attribute_container_device_trigger(struct device *dev, 					int (*fn)(struct attribute_container *,						  struct device *,						  struct device *));int attribute_container_device_trigger_safe(struct device *dev,					    int (*fn)(struct attribute_container *,						      struct device *,						      struct device *),					    int (*undo)(struct attribute_container *,							struct device *,							struct device *));void attribute_container_trigger(struct device *dev, 				 int (*fn)(struct attribute_container *,					   struct device *));int attribute_container_add_attrs(struct device *classdev);int attribute_container_add_class_device(struct device *classdev);int attribute_container_add_class_device_adapter(struct attribute_container *cont,						 struct device *dev,						 struct device *classdev);void attribute_container_remove_attrs(struct device *classdev);void attribute_container_class_device_del(struct device *classdev);struct attribute_container *attribute_container_classdev_to_container(struct device *);struct device *attribute_container_find_class_device(struct attribute_container *, struct device *);struct device_attribute **attribute_container_classdev_to_attrs(const struct device *classdev); #endif