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/*-
* Copyright (c) 1996, 1997, 1998, 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* Copyright (c) 1997-1999 Eduardo E. Horvath. All rights reserved.
* Copyright (c) 1996 Charles M. Hannum. All rights reserved.
* Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Christopher G. Demetriou
* for the NetBSD Project.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* from: NetBSD: bus.h,v 1.58 2008/04/28 20:23:36 martin Exp
* and
* from: FreeBSD: src/sys/alpha/include/bus.h,v 1.9 2001/01/09
*
* $FreeBSD: release/9.1.0/sys/sparc64/include/bus_dma.h 219567 2011-03-12 14:33:32Z marius $
*/
#ifndef _SPARC64_BUS_DMA_H
#define _SPARC64_BUS_DMA_H
#include <sys/bus_dma.h>
/* DMA support */
/*
* Method table for a bus_dma_tag.
*/
struct bus_dma_methods {
int (*dm_dmamap_create)(bus_dma_tag_t, int, bus_dmamap_t *);
int (*dm_dmamap_destroy)(bus_dma_tag_t, bus_dmamap_t);
int (*dm_dmamap_load)(bus_dma_tag_t, bus_dmamap_t, void *,
bus_size_t, bus_dmamap_callback_t *, void *, int);
int (*dm_dmamap_load_mbuf)(bus_dma_tag_t, bus_dmamap_t,
struct mbuf *, bus_dmamap_callback2_t *, void *, int);
int (*dm_dmamap_load_mbuf_sg)(bus_dma_tag_t, bus_dmamap_t,
struct mbuf *, bus_dma_segment_t *segs, int *nsegs, int);
int (*dm_dmamap_load_uio)(bus_dma_tag_t, bus_dmamap_t, struct uio *,
bus_dmamap_callback2_t *, void *, int);
void (*dm_dmamap_unload)(bus_dma_tag_t, bus_dmamap_t);
void (*dm_dmamap_sync)(bus_dma_tag_t, bus_dmamap_t,
bus_dmasync_op_t);
int (*dm_dmamem_alloc)(bus_dma_tag_t, void **, int, bus_dmamap_t *);
void (*dm_dmamem_free)(bus_dma_tag_t, void *, bus_dmamap_t);
};
/*
* bus_dma_tag_t
*
* A machine-dependent opaque type describing the implementation of
* DMA for a given bus.
*/
struct bus_dma_tag {
void *dt_cookie; /* cookie used in the guts */
bus_dma_tag_t dt_parent;
bus_size_t dt_alignment;
bus_size_t dt_boundary;
bus_addr_t dt_lowaddr;
bus_addr_t dt_highaddr;
bus_dma_filter_t *dt_filter;
void *dt_filterarg;
bus_size_t dt_maxsize;
int dt_nsegments;
bus_size_t dt_maxsegsz;
int dt_flags;
int dt_ref_count;
int dt_map_count;
bus_dma_lock_t *dt_lockfunc;
void * *dt_lockfuncarg;
bus_dma_segment_t *dt_segments;
struct bus_dma_methods *dt_mt;
};
#define bus_dmamap_create(t, f, p) \
((t)->dt_mt->dm_dmamap_create((t), (f), (p)))
#define bus_dmamap_destroy(t, p) \
((t)->dt_mt->dm_dmamap_destroy((t), (p)))
#define bus_dmamap_load(t, m, p, s, cb, cba, f) \
((t)->dt_mt->dm_dmamap_load((t), (m), (p), (s), (cb), (cba), (f)))
#define bus_dmamap_load_mbuf(t, m, mb, cb, cba, f) \
((t)->dt_mt->dm_dmamap_load_mbuf((t), (m), (mb), (cb), (cba), (f)))
#define bus_dmamap_load_mbuf_sg(t, m, mb, segs, nsegs, f) \
((t)->dt_mt->dm_dmamap_load_mbuf_sg((t), (m), (mb), (segs), (nsegs), (f)))
#define bus_dmamap_load_uio(t, m, ui, cb, cba, f) \
((t)->dt_mt->dm_dmamap_load_uio((t), (m), (ui), (cb), (cba), (f)))
#define bus_dmamap_unload(t, p) \
((t)->dt_mt->dm_dmamap_unload((t), (p)))
#define bus_dmamap_sync(t, m, op) \
((t)->dt_mt->dm_dmamap_sync((t), (m), (op)))
#define bus_dmamem_alloc(t, v, f, m) \
((t)->dt_mt->dm_dmamem_alloc((t), (v), (f), (m)))
#define bus_dmamem_free(t, v, m) \
((t)->dt_mt->dm_dmamem_free((t), (v), (m)))
#endif /* !_SPARC64_BUS_DMA_H_ */