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root/include/linux/transport_class.h

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INCLUDED FROM


DEFINITIONS

This source file includes following definitions.
  1. transport_register_device
  2. transport_unregister_device
  3. transport_container_register
  4. transport_container_unregister

/*
 * transport_class.h - a generic container for all transport classes
 *
 * Copyright (c) 2005 - James Bottomley <James.Bottomley@steeleye.com>
 *
 * This file is licensed under GPLv2
 */

#ifndef _TRANSPORT_CLASS_H_
#define _TRANSPORT_CLASS_H_

#include <linux/device.h>
#include <linux/attribute_container.h>

struct transport_container;

struct transport_class {
        struct class class;
        int (*setup)(struct transport_container *, struct device *,
                     struct device *);
        int (*configure)(struct transport_container *, struct device *,
                         struct device *);
        int (*remove)(struct transport_container *, struct device *,
                      struct device *);
};

#define DECLARE_TRANSPORT_CLASS(cls, nm, su, rm, cfg)                   \
struct transport_class cls = {                                          \
        .class = {                                                      \
                .name = nm,                                             \
        },                                                              \
        .setup = su,                                                    \
        .remove = rm,                                                   \
        .configure = cfg,                                               \
}


struct anon_transport_class {
        struct transport_class tclass;
        struct attribute_container container;
};

#define DECLARE_ANON_TRANSPORT_CLASS(cls, mtch, cfg)            \
struct anon_transport_class cls = {                             \
        .tclass = {                                             \
                .configure = cfg,                               \
        },                                                      \
        . container = {                                         \
                .match = mtch,                                  \
        },                                                      \
}

#define class_to_transport_class(x) \
        container_of(x, struct transport_class, class)

struct transport_container {
        struct attribute_container ac;
        struct attribute_group *statistics;
};

#define attribute_container_to_transport_container(x) \
        container_of(x, struct transport_container, ac)

void transport_remove_device(struct device *);
void transport_add_device(struct device *);
void transport_setup_device(struct device *);
void transport_configure_device(struct device *);
void transport_destroy_device(struct device *);

static inline void
transport_register_device(struct device *dev)
{
        transport_setup_device(dev);
        transport_add_device(dev);
}

static inline void
transport_unregister_device(struct device *dev)
{
        transport_remove_device(dev);
        transport_destroy_device(dev);
}

static inline int transport_container_register(struct transport_container *tc)
{
        return attribute_container_register(&tc->ac);
}

static inline void transport_container_unregister(struct transport_container *tc)
{
        if (unlikely(attribute_container_unregister(&tc->ac)))
                BUG();
}

int transport_class_register(struct transport_class *);
int anon_transport_class_register(struct anon_transport_class *);
void transport_class_unregister(struct transport_class *);
void anon_transport_class_unregister(struct anon_transport_class *);


#endif

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