1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * attribute_container.h - a generic container for all classes |
4 | * |
5 | * Copyright (c) 2005 - James Bottomley <James.Bottomley@steeleye.com> |
6 | */ |
7 | |
8 | #ifndef _ATTRIBUTE_CONTAINER_H_ |
9 | #define _ATTRIBUTE_CONTAINER_H_ |
10 | |
11 | #include <linux/list.h> |
12 | #include <linux/klist.h> |
13 | |
14 | struct device; |
15 | |
16 | struct attribute_container { |
17 | struct list_head node; |
18 | struct klist containers; |
19 | struct class *class; |
20 | const struct attribute_group *grp; |
21 | struct device_attribute **attrs; |
22 | int (*match)(struct attribute_container *, struct device *); |
23 | #define ATTRIBUTE_CONTAINER_NO_CLASSDEVS 0x01 |
24 | unsigned long flags; |
25 | }; |
26 | |
27 | static inline int |
28 | attribute_container_no_classdevs(struct attribute_container *atc) |
29 | { |
30 | return atc->flags & ATTRIBUTE_CONTAINER_NO_CLASSDEVS; |
31 | } |
32 | |
33 | static inline void |
34 | attribute_container_set_no_classdevs(struct attribute_container *atc) |
35 | { |
36 | atc->flags |= ATTRIBUTE_CONTAINER_NO_CLASSDEVS; |
37 | } |
38 | |
39 | int attribute_container_register(struct attribute_container *cont); |
40 | int __must_check attribute_container_unregister(struct attribute_container *cont); |
41 | void attribute_container_create_device(struct device *dev, |
42 | int (*fn)(struct attribute_container *, |
43 | struct device *, |
44 | struct device *)); |
45 | void attribute_container_add_device(struct device *dev, |
46 | int (*fn)(struct attribute_container *, |
47 | struct device *, |
48 | struct device *)); |
49 | void attribute_container_remove_device(struct device *dev, |
50 | void (*fn)(struct attribute_container *, |
51 | struct device *, |
52 | struct device *)); |
53 | void attribute_container_device_trigger(struct device *dev, |
54 | int (*fn)(struct attribute_container *, |
55 | struct device *, |
56 | struct device *)); |
57 | int attribute_container_device_trigger_safe(struct device *dev, |
58 | int (*fn)(struct attribute_container *, |
59 | struct device *, |
60 | struct device *), |
61 | int (*undo)(struct attribute_container *, |
62 | struct device *, |
63 | struct device *)); |
64 | void attribute_container_trigger(struct device *dev, |
65 | int (*fn)(struct attribute_container *, |
66 | struct device *)); |
67 | int attribute_container_add_attrs(struct device *classdev); |
68 | int attribute_container_add_class_device(struct device *classdev); |
69 | int attribute_container_add_class_device_adapter(struct attribute_container *cont, |
70 | struct device *dev, |
71 | struct device *classdev); |
72 | void attribute_container_remove_attrs(struct device *classdev); |
73 | void attribute_container_class_device_del(struct device *classdev); |
74 | struct attribute_container *attribute_container_classdev_to_container(struct device *); |
75 | struct device *attribute_container_find_class_device(struct attribute_container *, struct device *); |
76 | struct device_attribute **attribute_container_classdev_to_attrs(const struct device *classdev); |
77 | |
78 | #endif |
79 | |