1 #-
2 # Copyright (c) 2010 Nathan Whitehorn
3 # All rights reserved.
4 #
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions
7 # are met:
8 # 1. Redistributions of source code must retain the above copyright
9 # notice, this list of conditions and the following disclaimer.
10 # 2. Redistributions in binary form must reproduce the above copyright
11 # notice, this list of conditions and the following disclaimer in the
12 # documentation and/or other materials provided with the distribution.
13 #
14 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 # SUCH DAMAGE.
25 #
26 # from: src/sys/kern/bus_if.m,v 1.21 2002/04/21 11:16:10 markm Exp
27 # $FreeBSD$
28 #
29
30 #include <machine/bus.h>
31
32 #include <sys/bus.h>
33 #include <sys/bus_dma.h>
34
35 INTERFACE iommu;
36
37 METHOD int map {
38 device_t iommu;
39 bus_dma_segment_t *segs;
40 int *nsegs;
41 bus_addr_t lowaddr;
42 bus_addr_t highaddr;
43 bus_size_t alignment;
44 bus_addr_t boundary;
45 void *cookie;
46 };
47
48 METHOD int unmap {
49 device_t iommu;
50 bus_dma_segment_t *segs;
51 int nsegs;
52 void *cookie;
53 };
54
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