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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
James Bottomleyd0a7e572005-08-14 17:09:01 -050015struct transport_container;
16
Linus Torvalds1da177e2005-04-16 15:20:36 -070017struct transport_class {
18 struct class class;
James Bottomleyd0a7e572005-08-14 17:09:01 -050019 int (*setup)(struct transport_container *, struct device *,
Tony Jonesee959b02008-02-22 00:13:36 +010020 struct device *);
James Bottomleyd0a7e572005-08-14 17:09:01 -050021 int (*configure)(struct transport_container *, struct device *,
Tony Jonesee959b02008-02-22 00:13:36 +010022 struct device *);
James Bottomleyd0a7e572005-08-14 17:09:01 -050023 int (*remove)(struct transport_container *, struct device *,
Tony Jonesee959b02008-02-22 00:13:36 +010024 struct device *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070025};
26
27#define DECLARE_TRANSPORT_CLASS(cls, nm, su, rm, cfg) \
28struct transport_class cls = { \
29 .class = { \
30 .name = nm, \
31 }, \
32 .setup = su, \
33 .remove = rm, \
34 .configure = cfg, \
35}
36
37
38struct anon_transport_class {
39 struct transport_class tclass;
40 struct attribute_container container;
41};
42
43#define DECLARE_ANON_TRANSPORT_CLASS(cls, mtch, cfg) \
44struct anon_transport_class cls = { \
45 .tclass = { \
46 .configure = cfg, \
47 }, \
48 . container = { \
49 .match = mtch, \
50 }, \
51}
52
53#define class_to_transport_class(x) \
54 container_of(x, struct transport_class, class)
55
56struct transport_container {
57 struct attribute_container ac;
58 struct attribute_group *statistics;
59};
60
61#define attribute_container_to_transport_container(x) \
62 container_of(x, struct transport_container, ac)
63
64void transport_remove_device(struct device *);
65void transport_add_device(struct device *);
66void transport_setup_device(struct device *);
67void transport_configure_device(struct device *);
68void transport_destroy_device(struct device *);
69
70static inline void
71transport_register_device(struct device *dev)
72{
73 transport_setup_device(dev);
74 transport_add_device(dev);
75}
76
77static inline void
78transport_unregister_device(struct device *dev)
79{
80 transport_remove_device(dev);
81 transport_destroy_device(dev);
82}
83
84static inline int transport_container_register(struct transport_container *tc)
85{
86 return attribute_container_register(&tc->ac);
87}
88
James Bottomley2f3edc62008-04-02 10:05:48 -050089static inline void transport_container_unregister(struct transport_container *tc)
Linus Torvalds1da177e2005-04-16 15:20:36 -070090{
James Bottomley2f3edc62008-04-02 10:05:48 -050091 if (unlikely(attribute_container_unregister(&tc->ac)))
92 BUG();
Linus Torvalds1da177e2005-04-16 15:20:36 -070093}
94
95int transport_class_register(struct transport_class *);
96int anon_transport_class_register(struct anon_transport_class *);
97void transport_class_unregister(struct transport_class *);
98void anon_transport_class_unregister(struct anon_transport_class *);
99
100
101#endif