xref: /freebsd-9.3-release/sys/powerpc/powerpc/iommu_if.m

#-
# Copyright (c) 2010 Nathan Whitehorn
# 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.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 THE AUTHOR OR CONTRIBUTORS 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.
#
# from: src/sys/kern/bus_if.m,v 1.21 2002/04/21 11:16:10 markm Exp
# $FreeBSD$
#

#include <machine/bus.h>

#include <sys/bus.h>
#include <sys/bus_dma.h>

INTERFACE iommu;

METHOD int map {
	device_t	iommu;
	bus_dma_segment_t *segs;
	int		*nsegs;
	bus_addr_t	lowaddr;
	bus_addr_t	highaddr;
	bus_size_t	alignment;
	bus_size_t	boundary;
	void		*cookie;
};

METHOD int unmap {
	device_t	iommu;
	bus_dma_segment_t *segs;
	int		nsegs;
	void		*cookie;
};