1 /*
2  * transport_class.h - a generic container for all transport classes
3  *
4  * Copyright (c) 2005 - James Bottomley <[email protected]>
5  *
6  * This file is licensed under GPLv2
7  */
8 
9 #ifndef _TRANSPORT_CLASS_H_
10 #define _TRANSPORT_CLASS_H_
11 
12 #include <linux/device.h>
13 #include <linux/attribute_container.h>
14 
15 struct transport_class {
16 	struct class class;
17 	int (*setup)(struct device *);
18 	int (*configure)(struct device *);
19 	int (*remove)(struct device *);
20 };
21 
22 #define DECLARE_TRANSPORT_CLASS(cls, nm, su, rm, cfg)			\
23 struct transport_class cls = {						\
24 	.class = {							\
25 		.name = nm,						\
26 	},								\
27 	.setup = su,							\
28 	.remove = rm,							\
29 	.configure = cfg,						\
30 }
31 
32 
33 struct anon_transport_class {
34 	struct transport_class tclass;
35 	struct attribute_container container;
36 };
37 
38 #define DECLARE_ANON_TRANSPORT_CLASS(cls, mtch, cfg)		\
39 struct anon_transport_class cls = {				\
40 	.tclass = {						\
41 		.configure = cfg,				\
42 	},							\
43 	. container = {						\
44 		.match = mtch,					\
45 	},							\
46 }
47 
48 #define class_to_transport_class(x) \
49 	container_of(x, struct transport_class, class)
50 
51 struct transport_container {
52 	struct attribute_container ac;
53 	struct attribute_group *statistics;
54 };
55 
56 #define attribute_container_to_transport_container(x) \
57 	container_of(x, struct transport_container, ac)
58 
59 void transport_remove_device(struct device *);
60 void transport_add_device(struct device *);
61 void transport_setup_device(struct device *);
62 void transport_configure_device(struct device *);
63 void transport_destroy_device(struct device *);
64 
65 static inline void
66 transport_register_device(struct device *dev)
67 {
68 	transport_setup_device(dev);
69 	transport_add_device(dev);
70 }
71 
72 static inline void
73 transport_unregister_device(struct device *dev)
74 {
75 	transport_remove_device(dev);
76 	transport_destroy_device(dev);
77 }
78 
79 static inline int transport_container_register(struct transport_container *tc)
80 {
81 	return attribute_container_register(&tc->ac);
82 }
83 
84 static inline int transport_container_unregister(struct transport_container *tc)
85 {
86 	return attribute_container_unregister(&tc->ac);
87 }
88 
89 int transport_class_register(struct transport_class *);
90 int anon_transport_class_register(struct anon_transport_class *);
91 void transport_class_unregister(struct transport_class *);
92 void anon_transport_class_unregister(struct anon_transport_class *);
93 
94 
95 #endif
96