48 lines
1.9 KiB
C
48 lines
1.9 KiB
C
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/*-
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* Copyright (c) 1997, 1998 Justin T. Gibbs.
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* Copyright (c) 2002 by Thomas Moestl <tmm@FreeBSD.org>.
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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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*
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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 WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS 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) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* from: FreeBSD: src/sys/i386/i386/busdma_machdep.c,v 1.25 2002/01/05
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_BUS_PRIVATE_H_
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#define _MACHINE_BUS_PRIVATE_H_
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#include <sys/queue.h>
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struct bus_dmamap {
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bus_dma_tag_t dmat;
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void *buf; /* unmapped buffer pointer */
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bus_size_t buflen; /* unmapped buffer length */
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bus_addr_t start; /* start of mapped region */
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struct resource *res; /* associated resource */
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bus_size_t dvmaresv; /* reseved DVMA memory */
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STAILQ_ENTRY(bus_dmamap) maplruq;
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int onq;
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};
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#endif /* !_MACHINE_BUS_PRIVATE_H_ */
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