fastbootd/include/vendor_trigger.h

/*
 * Copyright (c) 2009-2013, Google Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  * Neither the name of Google, Inc. nor the names of its contributors
 *    may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef __VENDOR_TRIGGER_H_
#define __VENDOR_TRIGGER_H_

#define TRIGGER_MODULE_ID "fastbootd"
#include <hardware/hardware.h>

__BEGIN_DECLS

struct GPT_entry_raw;
struct GPT_content;

/*
 * Structer with function pointers may become longer in the future
 */

struct vendor_trigger_t {
    struct hw_device_t common;

    /*
     * This function runs at the beggining and shoud never be changed
     *
     * version is number parameter indicating version on the fastbootd side
     * libversion is version indicateing version of the library version
     *
     * returns 0 if it can cooperate with the current version and 1 in opposite
     */
    int (*check_version)(const int version, int *libversion);


    /*
     * Return value -1 forbid the action from the vendor site and sets errno
     */
    int (* gpt_layout)(struct GPT_content *);
    int (* oem_cmd)(const char *arg, const char **response);
};

__END_DECLS

#endif