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