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/*
* Copyright (c) 2008, XenSource 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 XenSource 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, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _TAPDISK_INTERFACE_H_
#define _TAPDISK_INTERFACE_H_
#include "tapdisk.h"
#include "tapdisk-queue.h"
int td_open(td_image_t *);
int __td_open(td_image_t *, td_disk_info_t *);
int td_load(td_image_t *);
int td_close(td_image_t *);
int td_get_parent_id(td_image_t *, td_disk_id_t *);
int td_validate_parent(td_image_t *, td_image_t *);
void td_queue_write(td_image_t *, td_request_t);
void td_queue_read(td_image_t *, td_request_t);
void td_forward_request(td_request_t);
void td_complete_request(td_request_t, int);
void td_debug(td_image_t *);
void td_queue_tiocb(td_driver_t *, struct tiocb *);
void td_prep_read(struct tiocb *, int, char *, size_t,
long long, td_queue_callback_t, void *);
void td_prep_write(struct tiocb *, int, char *, size_t,
long long, td_queue_callback_t, void *);
#endif
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