87d98d1faefb2788d4f159aca0b8b01f53778431
[linux-2.6.git] / include / linux / transport_class.h
1 /*
2  * transport_class.h - a generic container for all transport classes
3  *
4  * Copyright (c) 2005 - James Bottomley <James.Bottomley@steeleye.com>
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