1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * attribute_container.h - a generic container for all classes
5 * Copyright (c) 2005 - James Bottomley <James.Bottomley@steeleye.com>
8 #ifndef _ATTRIBUTE_CONTAINER_H_
9 #define _ATTRIBUTE_CONTAINER_H_
11 #include <linux/list.h>
12 #include <linux/klist.h>
16 struct attribute_container {
17 struct list_head node;
18 struct klist containers;
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
28 attribute_container_no_classdevs(struct attribute_container *atc)
30 return atc->flags & ATTRIBUTE_CONTAINER_NO_CLASSDEVS;
34 attribute_container_set_no_classdevs(struct attribute_container *atc)
36 atc->flags |= ATTRIBUTE_CONTAINER_NO_CLASSDEVS;
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 *,
45 void attribute_container_add_device(struct device *dev,
46 int (*fn)(struct attribute_container *,
49 void attribute_container_remove_device(struct device *dev,
50 void (*fn)(struct attribute_container *,
53 void attribute_container_device_trigger(struct device *dev,
54 int (*fn)(struct attribute_container *,
57 int attribute_container_device_trigger_safe(struct device *dev,
58 int (*fn)(struct attribute_container *,
61 int (*undo)(struct attribute_container *,
64 void attribute_container_trigger(struct device *dev,
65 int (*fn)(struct attribute_container *,
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,
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);