name : attribute_container.h /* 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 int attribute_container_no_classdevs(struct attribute_container *atc) { return atc->flags & ATTRIBUTE_CONTAINER_NO_CLASSDEVS; } static inline void attribute_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