/*
 * Copyright (c) 2001 Wind River Systems
 * Copyright (c) 1997, 1998, 1999, 2000, 2001
 *	Bill Paul <wpaul@windriver.com>.  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 Bill Paul.
 * 4. Neither the name of the author nor the names of any co-contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD
 * 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.
 *
 * $FreeBSD$
 */

#ifndef _SYS_BUSDMA_H_
#define _SYS_BUSDMA_H_

struct bus_dmamap_list_entry {
	SLIST_ENTRY(bus_dmamap_list_entry) link;
	bus_dmamap_t map;
};
SLIST_HEAD(bus_dmamap_list_head, bus_dmamap_list_entry);

typedef struct bus_dmamap_list_entry * bus_dmalist_t;
typedef struct bus_dmamap_list_head * bus_dmahead_t;

__BEGIN_DECLS
int	bus_dmamap_list_init __P((bus_dma_tag_t, bus_dmahead_t, int, int));
void	bus_dmamap_list_destroy __P((bus_dma_tag_t, bus_dmahead_t));
int	bus_dmamap_load_mbuf __P((bus_dma_tag_t, bus_dmahead_t,
	    struct mbuf *, bus_dma_segment_t *, int *));
void	bus_dmamap_unload_mbuf __P((bus_dma_tag_t, struct mbuf *));
void	bus_dmamap_destroy_mbuf __P((bus_dma_tag_t,
	    bus_dmahead_t, struct mbuf *));
void	bus_dmamap_sync_mbuf __P((bus_dma_tag_t,
	    struct mbuf *, bus_dmasync_op_t));
__END_DECLS

#endif /* !_SYS_BUSDMA_H_ */