/*
* Derived from arch/powerpc/kernel/iommu.c
*
* Copyright IBM Corporation, 2006-2007
* Copyright (C) 2006 Jon Mason <jdmason@kudzu.us>
*
* Author: Jon Mason <jdmason@kudzu.us>
* Author: Muli Ben-Yehuda <muli@il.ibm.com>
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that
