/*

   * attribute_container.h - a generic container for all classes

   *
   * Copyright (c) 2005 - James Bottomley <James.Bottomley@steeleye.com>
   *
   * This file is licensed under GPLv2
   */
  
  #ifndef _ATTRIBUTE_CONTAINER_H_
  #define _ATTRIBUTE_CONTAINER_H_
  
  #include <linux/device.h>
  #include <linux/list.h>

  #include <linux/klist.h>

  
  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 *));

  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