1 /*
2  * class_container.h - a generic container for all classes
3  *
4  * Copyright (c) 2005 - James Bottomley <[email protected]>
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 
15 struct attribute_container {
16 	struct list_head	node;
17 	struct list_head	containers;
18 	struct class		*class;
19 	struct class_device_attribute **attrs;
20 	int (*match)(struct attribute_container *, struct device *);
21 #define	ATTRIBUTE_CONTAINER_NO_CLASSDEVS	0x01
22 	unsigned long		flags;
23 };
24 
25 static inline int
26 attribute_container_no_classdevs(struct attribute_container *atc)
27 {
28 	return atc->flags & ATTRIBUTE_CONTAINER_NO_CLASSDEVS;
29 }
30 
31 static inline void
32 attribute_container_set_no_classdevs(struct attribute_container *atc)
33 {
34 	atc->flags |= ATTRIBUTE_CONTAINER_NO_CLASSDEVS;
35 }
36 
37 int attribute_container_register(struct attribute_container *cont);
38 int attribute_container_unregister(struct attribute_container *cont);
39 void attribute_container_create_device(struct device *dev,
40 				       int (*fn)(struct attribute_container *,
41 						 struct device *,
42 						 struct class_device *));
43 void attribute_container_add_device(struct device *dev,
44 				    int (*fn)(struct attribute_container *,
45 					      struct device *,
46 					      struct class_device *));
47 void attribute_container_remove_device(struct device *dev,
48 				       void (*fn)(struct attribute_container *,
49 						  struct device *,
50 						  struct class_device *));
51 void attribute_container_device_trigger(struct device *dev,
52 					int (*fn)(struct attribute_container *,
53 						  struct device *,
54 						  struct class_device *));
55 void attribute_container_trigger(struct device *dev,
56 				 int (*fn)(struct attribute_container *,
57 					   struct device *));
58 int attribute_container_add_attrs(struct class_device *classdev);
59 int attribute_container_add_class_device(struct class_device *classdev);
60 int attribute_container_add_class_device_adapter(struct attribute_container *cont,
61 						 struct device *dev,
62 						 struct class_device *classdev);
63 void attribute_container_remove_attrs(struct class_device *classdev);
64 void attribute_container_class_device_del(struct class_device *classdev);
65 
66 
67 
68 
69 
70 
71 struct class_device_attribute **attribute_container_classdev_to_attrs(const struct class_device *classdev);
72 
73 #endif
74