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92 lines
3.3 KiB
C
92 lines
3.3 KiB
C
/* $Id: disk.h,v 1.2 2003/08/07 22:13:30 fredette Exp $ */
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/* tme/generic/disk.h - header file for generic disk device support: */
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/*
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* Copyright (c) 2003 Matt Fredette
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Matt Fredette.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _TME_GENERIC_DISK_H
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#define _TME_GENERIC_DISK_H
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#include <tme/common.h>
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_TME_RCSID("$Id: disk.h,v 1.2 2003/08/07 22:13:30 fredette Exp $");
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/* includes: */
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#include <tme/element.h>
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/* macros: */
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/* controls: */
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#define TME_DISK_CONTROL_START (0)
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#define TME_DISK_CONTROL_STOP (1)
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#define TME_DISK_CONTROL_PREVENT (2)
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#define TME_DISK_CONTROL_ALLOW (3)
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/* types: */
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/* a disk device connection: */
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struct tme_disk_connection {
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/* the generic connection side: */
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struct tme_connection tme_disk_connection;
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/* total size: */
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union tme_value64 tme_disk_connection_size;
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/* this is called to get a buffer corresponding to a range on the
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device, for reading: */
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int (*tme_disk_connection_read) _TME_P((struct tme_disk_connection *,
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_tme_const union tme_value64 *,
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unsigned long,
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_tme_const tme_uint8_t **));
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/* this is called to get a buffer corresponding to a range on the
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device, for writing: */
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int (*tme_disk_connection_write) _TME_P((struct tme_disk_connection *,
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_tme_const union tme_value64 *,
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unsigned long,
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tme_uint8_t **));
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/* this releases a buffer: */
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int (*tme_disk_connection_release) _TME_P((struct tme_disk_connection *,
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_tme_const tme_uint8_t *));
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/* a control function: */
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int (*tme_disk_connection_control) _TME_P((struct tme_disk_connection *,
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unsigned int, ...));
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};
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/* prototypes: */
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int tme_disk_connection_score _TME_P((struct tme_connection *, unsigned int *));
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tme_uint32_t tme_disk_dimension_parse _TME_P((_tme_const char *));
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#endif /* !_TME_GENERIC_DISK_H */
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