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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* attribute_container.h - a generic container for all classes
*
* Copyright (c) 2005 - James Bottomley <James.Bottomley@steeleye.com>
*/
#ifndef _ATTRIBUTE_CONTAINER_H_
#define _ATTRIBUTE_CONTAINER_H_
#include <linux/list.h>
#include <linux/klist.h>
struct device;
struct attribute_container {
struct list_head node;
struct klist containers;
struct class *class;
const struct attribute_group *grp;
struct device_attribute **attrs;
int (*match)(struct attribute_container *, struct device *);
#define ATTRIBUTE_CONTAINER_NO_CLASSDEVS 0x01
unsigned long flags;
};
static inline int
attribute_container_no_classdevs(struct attribute_container *atc)
{
return atc->flags & ATTRIBUTE_CONTAINER_NO_CLASSDEVS;
}
static inline void
attribute_container_set_no_classdevs(struct attribute_container *atc)
{
atc->flags |= ATTRIBUTE_CONTAINER_NO_CLASSDEVS;
}
int attribute_container_register(struct attribute_container *cont);
int __must_check attribute_container_unregister(struct attribute_container *cont);
void attribute_container_create_device(struct device *dev,
int (*fn)(struct attribute_container *,
struct device *,
struct device *));
void attribute_container_add_device(struct device *dev,
int (*fn)(struct attribute_container *,
struct device *,
struct device *));
void attribute_container_remove_device(struct device *dev,
void (*fn)(struct attribute_container *,
struct device *,
struct device *));
void attribute_container_device_trigger(struct device *dev,
int (*fn)(struct attribute_container *,
struct device *,
struct device *));
int attribute_container_device_trigger_safe(struct device *dev,
int (*fn)(struct attribute_container *,
struct device *,
struct device *),
int (*undo)(struct attribute_container *,
struct device *,
struct device *));
void attribute_container_trigger(struct device *dev,
int (*fn)(struct attribute_container *,
struct device *));
int attribute_container_add_attrs(struct device *classdev);
int attribute_container_add_class_device(struct device *classdev);
int attribute_container_add_class_device_adapter(struct attribute_container *cont,
struct device *dev,
struct device *classdev);
void attribute_container_remove_attrs(struct device *classdev);
void attribute_container_class_device_del(struct device *classdev);
struct attribute_container *attribute_container_classdev_to_container(struct device *);
struct device *attribute_container_find_class_device(struct attribute_container *, struct device *);
struct device_attribute **attribute_container_classdev_to_attrs(const struct device *classdev);
#endif
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