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      1 /*	$NetBSD: bus.h,v 1.6 2015/06/03 13:55:42 pooka Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2010 Antti Kantee.  All Rights Reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
     16  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     18  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     21  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25  * SUCH DAMAGE.
     26  */
     27 
     28 #ifndef _SYS_RUMP_BUS_H_
     29 #define _SYS_RUMP_BUS_H_
     30 
     31 /*
     32  * This is a blanket header since archs are inline/macro-happy.
     33  *
     34  * XXX: this file should NOT exist here
     35  */
     36 
     37 /* bus space defs */
     38 typedef unsigned long bus_addr_t;
     39 typedef unsigned long bus_size_t;
     40 typedef unsigned long bus_space_tag_t;
     41 typedef unsigned long bus_space_handle_t;
     42 
     43 /* bus dma defs */
     44 typedef void *bus_dma_tag_t;
     45 #define BUS_DMA_TAG_VALID(_tag_) ((_tag_) != NULL)
     46 
     47 typedef struct {
     48 	bus_addr_t	ds_addr;
     49 	bus_size_t	ds_len;
     50 	vaddr_t		_ds_vacookie;
     51 	bus_size_t	_ds_sizecookie;
     52 } bus_dma_segment_t;
     53 
     54 typedef struct {
     55 	bus_size_t _dm_size;
     56 	int _dm_segcnt;
     57 	bus_size_t _dm_maxmaxsegsz;
     58 	bus_size_t _dm_boundary;
     59 	bus_addr_t _dm_bounce_thresh;
     60 	int _dm_flags;
     61 	void *_dm_cookie;
     62 
     63 	bus_size_t dm_maxsegsz;
     64 	bus_size_t dm_mapsize;
     65 	int dm_nsegs;
     66 	bus_dma_segment_t dm_segs[1];
     67 } *bus_dmamap_t;
     68 
     69 #include <sys/bus_proto.h>
     70 
     71 #endif /* _SYS_RUMP_BUS_H_ */
     72