1/*
2 * attribute_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/list.h>
13#include <linux/klist.h>
14
15struct device;
16
17struct attribute_container {
18 struct list_head node;
19 struct klist containers;
20 struct class *class;
21 const struct attribute_group *grp;
22 struct device_attribute **attrs;
23 int (*match)(struct attribute_container *, struct device *);
24#define ATTRIBUTE_CONTAINER_NO_CLASSDEVS 0x01
25 unsigned long flags;
26};
27
28static inline int
29attribute_container_no_classdevs(struct attribute_container *atc)
30{
31 return atc->flags & ATTRIBUTE_CONTAINER_NO_CLASSDEVS;
32}
33
34static inline void
35attribute_container_set_no_classdevs(struct attribute_container *atc)
36{
37 atc->flags |= ATTRIBUTE_CONTAINER_NO_CLASSDEVS;
38}
39
40int attribute_container_register(struct attribute_container *cont);
41int __must_check attribute_container_unregister(struct attribute_container *cont);
42void attribute_container_create_device(struct device *dev,
43 int (*fn)(struct attribute_container *,
44 struct device *,
45 struct device *));
46void attribute_container_add_device(struct device *dev,
47 int (*fn)(struct attribute_container *,
48 struct device *,
49 struct device *));
50void attribute_container_remove_device(struct device *dev,
51 void (*fn)(struct attribute_container *,
52 struct device *,
53 struct device *));
54void attribute_container_device_trigger(struct device *dev,
55 int (*fn)(struct attribute_container *,
56 struct device *,
57 struct device *));
58void attribute_container_trigger(struct device *dev,
59 int (*fn)(struct attribute_container *,
60 struct device *));
61int attribute_container_add_attrs(struct device *classdev);
62int attribute_container_add_class_device(struct device *classdev);
63int attribute_container_add_class_device_adapter(struct attribute_container *cont,
64 struct device *dev,
65 struct device *classdev);
66void attribute_container_remove_attrs(struct device *classdev);
67void attribute_container_class_device_del(struct device *classdev);
68struct attribute_container *attribute_container_classdev_to_container(struct device *);
69struct device *attribute_container_find_class_device(struct attribute_container *, struct device *);
70struct device_attribute **attribute_container_classdev_to_attrs(const struct device *classdev);
71
72#endif
73