iommu_if.m revision 216154 
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: head/sys/powerpc/powerpc/iommu_if.m 216154 2010-12-03 16:37:37Z nwhitehorn $
28#
29
30#include <machine/bus.h>
31
32#include <sys/bus.h>
33#include <sys/bus_dma.h>
34
35INTERFACE iommu;
36
37METHOD 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_size_t	boundary;
45	void		*cookie;
46};
47
48METHOD int unmap {
49	device_t	iommu;
50	bus_dma_segment_t *segs;
51	int		nsegs;
52	void		*cookie;
53};
54
55