Commit | Line | Data |
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1da177e4 LT |
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> | |
187f1882 | 13 | #include <linux/bug.h> |
1da177e4 LT |
14 | #include <linux/attribute_container.h> |
15 | ||
d0a7e574 JB |
16 | struct transport_container; |
17 | ||
1da177e4 LT |
18 | struct transport_class { |
19 | struct class class; | |
d0a7e574 | 20 | int (*setup)(struct transport_container *, struct device *, |
ee959b00 | 21 | struct device *); |
d0a7e574 | 22 | int (*configure)(struct transport_container *, struct device *, |
ee959b00 | 23 | struct device *); |
d0a7e574 | 24 | int (*remove)(struct transport_container *, struct device *, |
ee959b00 | 25 | struct device *); |
1da177e4 LT |
26 | }; |
27 | ||
28 | #define DECLARE_TRANSPORT_CLASS(cls, nm, su, rm, cfg) \ | |
29 | struct transport_class cls = { \ | |
30 | .class = { \ | |
31 | .name = nm, \ | |
32 | }, \ | |
33 | .setup = su, \ | |
34 | .remove = rm, \ | |
35 | .configure = cfg, \ | |
36 | } | |
37 | ||
38 | ||
39 | struct anon_transport_class { | |
40 | struct transport_class tclass; | |
41 | struct attribute_container container; | |
42 | }; | |
43 | ||
44 | #define DECLARE_ANON_TRANSPORT_CLASS(cls, mtch, cfg) \ | |
45 | struct anon_transport_class cls = { \ | |
46 | .tclass = { \ | |
47 | .configure = cfg, \ | |
48 | }, \ | |
49 | . container = { \ | |
50 | .match = mtch, \ | |
51 | }, \ | |
52 | } | |
53 | ||
54 | #define class_to_transport_class(x) \ | |
55 | container_of(x, struct transport_class, class) | |
56 | ||
57 | struct transport_container { | |
58 | struct attribute_container ac; | |
a4dbd674 | 59 | const struct attribute_group *statistics; |
1da177e4 LT |
60 | }; |
61 | ||
62 | #define attribute_container_to_transport_container(x) \ | |
63 | container_of(x, struct transport_container, ac) | |
64 | ||
65 | void transport_remove_device(struct device *); | |
66 | void transport_add_device(struct device *); | |
67 | void transport_setup_device(struct device *); | |
68 | void transport_configure_device(struct device *); | |
69 | void transport_destroy_device(struct device *); | |
70 | ||
71 | static inline void | |
72 | transport_register_device(struct device *dev) | |
73 | { | |
74 | transport_setup_device(dev); | |
75 | transport_add_device(dev); | |
76 | } | |
77 | ||
78 | static inline void | |
79 | transport_unregister_device(struct device *dev) | |
80 | { | |
81 | transport_remove_device(dev); | |
82 | transport_destroy_device(dev); | |
83 | } | |
84 | ||
85 | static inline int transport_container_register(struct transport_container *tc) | |
86 | { | |
87 | return attribute_container_register(&tc->ac); | |
88 | } | |
89 | ||
2f3edc69 | 90 | static inline void transport_container_unregister(struct transport_container *tc) |
1da177e4 | 91 | { |
2f3edc69 JB |
92 | if (unlikely(attribute_container_unregister(&tc->ac))) |
93 | BUG(); | |
1da177e4 LT |
94 | } |
95 | ||
96 | int transport_class_register(struct transport_class *); | |
97 | int anon_transport_class_register(struct anon_transport_class *); | |
98 | void transport_class_unregister(struct transport_class *); | |
99 | void anon_transport_class_unregister(struct anon_transport_class *); | |
100 | ||
101 | ||
102 | #endif |