1/*
2 * class_container.h - a generic container for all classes
3 *
4 * Copyright (c) 2005 - James Bottomley <James.Bottomley@steeleye.com>
5 *
6 * This file is licensed under GPLv2
7 */
8
9#ifndef _ATTRIBUTE_CONTAINER_H_
10#define _ATTRIBUTE_CONTAINER_H_
11
12#include <linux/device.h>
13#include <linux/list.h>
14#include <linux/klist.h>
15#include <linux/spinlock.h>
16
17struct attribute_container {
18	struct list_head	node;
19	struct klist		containers;
20	struct class		*class;
21	struct class_device_attribute **attrs;
22	int (*match)(struct attribute_container *, struct device *);
23#define	ATTRIBUTE_CONTAINER_NO_CLASSDEVS	0x01
24	unsigned long		flags;
25};
26
27static inline int
28attribute_container_no_classdevs(struct attribute_container *atc)
29{
30	return atc->flags & ATTRIBUTE_CONTAINER_NO_CLASSDEVS;
31}
32
33static inline void
34attribute_container_set_no_classdevs(struct attribute_container *atc)
35{
36	atc->flags |= ATTRIBUTE_CONTAINER_NO_CLASSDEVS;
37}
38
39int attribute_container_register(struct attribute_container *cont);
40int attribute_container_unregister(struct attribute_container *cont);
41void attribute_container_create_device(struct device *dev,
42				       int (*fn)(struct attribute_container *,
43						 struct device *,
44						 struct class_device *));
45void attribute_container_add_device(struct device *dev,
46				    int (*fn)(struct attribute_container *,
47					      struct device *,
48					      struct class_device *));
49void attribute_container_remove_device(struct device *dev,
50				       void (*fn)(struct attribute_container *,
51						  struct device *,
52						  struct class_device *));
53void attribute_container_device_trigger(struct device *dev,
54					int (*fn)(struct attribute_container *,
55						  struct device *,
56						  struct class_device *));
57void attribute_container_trigger(struct device *dev,
58				 int (*fn)(struct attribute_container *,
59					   struct device *));
60int attribute_container_add_attrs(struct class_device *classdev);
61int attribute_container_add_class_device(struct class_device *classdev);
62int attribute_container_add_class_device_adapter(struct attribute_container *cont,
63						 struct device *dev,
64						 struct class_device *classdev);
65void attribute_container_remove_attrs(struct class_device *classdev);
66void attribute_container_class_device_del(struct class_device *classdev);
67struct attribute_container *attribute_container_classdev_to_container(struct class_device *);
68struct class_device *attribute_container_find_class_device(struct attribute_container *, struct device *);
69struct class_device_attribute **attribute_container_classdev_to_attrs(const struct class_device *classdev);
70
71#endif
72