102 lines
2.5 KiB
C
102 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* transport_class.h - a generic container for all transport classes
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*
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* Copyright (c) 2005 - James Bottomley <James.Bottomley@steeleye.com>
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*/
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#ifndef _TRANSPORT_CLASS_H_
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#define _TRANSPORT_CLASS_H_
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#include <linux/device.h>
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#include <linux/bug.h>
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#include <linux/attribute_container.h>
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struct transport_container;
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struct transport_class {
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struct class class;
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int (*setup)(struct transport_container *, struct device *,
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struct device *);
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int (*configure)(struct transport_container *, struct device *,
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struct device *);
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int (*remove)(struct transport_container *, struct device *,
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struct device *);
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};
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#define DECLARE_TRANSPORT_CLASS(cls, nm, su, rm, cfg) \
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struct transport_class cls = { \
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.class = { \
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.name = nm, \
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}, \
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.setup = su, \
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.remove = rm, \
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.configure = cfg, \
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}
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struct anon_transport_class {
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struct transport_class tclass;
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struct attribute_container container;
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};
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#define DECLARE_ANON_TRANSPORT_CLASS(cls, mtch, cfg) \
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struct anon_transport_class cls = { \
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.tclass = { \
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.configure = cfg, \
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}, \
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. container = { \
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.match = mtch, \
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}, \
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}
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#define class_to_transport_class(x) \
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container_of(x, struct transport_class, class)
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struct transport_container {
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struct attribute_container ac;
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const struct attribute_group *statistics;
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};
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#define attribute_container_to_transport_container(x) \
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container_of(x, struct transport_container, ac)
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void transport_remove_device(struct device *);
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int transport_add_device(struct device *);
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void transport_setup_device(struct device *);
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void transport_configure_device(struct device *);
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void transport_destroy_device(struct device *);
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static inline int
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transport_register_device(struct device *dev)
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{
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transport_setup_device(dev);
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return transport_add_device(dev);
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}
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static inline void
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transport_unregister_device(struct device *dev)
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{
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transport_remove_device(dev);
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transport_destroy_device(dev);
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}
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static inline int transport_container_register(struct transport_container *tc)
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{
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return attribute_container_register(&tc->ac);
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}
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static inline void transport_container_unregister(struct transport_container *tc)
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{
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if (unlikely(attribute_container_unregister(&tc->ac)))
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BUG();
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}
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int transport_class_register(struct transport_class *);
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int anon_transport_class_register(struct anon_transport_class *);
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void transport_class_unregister(struct transport_class *);
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void anon_transport_class_unregister(struct anon_transport_class *);
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#endif
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