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 */
38typedef unsigned long bus_addr_t;
39typedef unsigned long bus_size_t;
40typedef unsigned long bus_space_tag_t;
41typedef unsigned long bus_space_handle_t;
42
43/* bus dma defs */
44typedef void *bus_dma_tag_t;
45#define BUS_DMA_TAG_VALID(_tag_) ((_tag_) != NULL)
46
47typedef 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
54typedef 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