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
15 struct device;
16
17 struct 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
28 static inline int
attribute_container_no_classdevs(struct attribute_container * atc)29 attribute_container_no_classdevs(struct attribute_container *atc)
30 {
31 return atc->flags & ATTRIBUTE_CONTAINER_NO_CLASSDEVS;
32 }
33
34 static inline void
attribute_container_set_no_classdevs(struct attribute_container * atc)35 attribute_container_set_no_classdevs(struct attribute_container *atc)
36 {
37 atc->flags |= ATTRIBUTE_CONTAINER_NO_CLASSDEVS;
38 }
39
40 int attribute_container_register(struct attribute_container *cont);
41 int __must_check attribute_container_unregister(struct attribute_container *cont);
42 void attribute_container_create_device(struct device *dev,
43 int (*fn)(struct attribute_container *,
44 struct device *,
45 struct device *));
46 void attribute_container_add_device(struct device *dev,
47 int (*fn)(struct attribute_container *,
48 struct device *,
49 struct device *));
50 void attribute_container_remove_device(struct device *dev,
51 void (*fn)(struct attribute_container *,
52 struct device *,
53 struct device *));
54 void attribute_container_device_trigger(struct device *dev,
55 int (*fn)(struct attribute_container *,
56 struct device *,
57 struct device *));
58 void attribute_container_trigger(struct device *dev,
59 int (*fn)(struct attribute_container *,
60 struct device *));
61 int attribute_container_add_attrs(struct device *classdev);
62 int attribute_container_add_class_device(struct device *classdev);
63 int attribute_container_add_class_device_adapter(struct attribute_container *cont,
64 struct device *dev,
65 struct device *classdev);
66 void attribute_container_remove_attrs(struct device *classdev);
67 void attribute_container_class_device_del(struct device *classdev);
68 struct attribute_container *attribute_container_classdev_to_container(struct device *);
69 struct device *attribute_container_find_class_device(struct attribute_container *, struct device *);
70 struct device_attribute **attribute_container_classdev_to_attrs(const struct device *classdev);
71
72 #endif
73