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/*
* Copyright (c) 2006, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307 USA.
*
* Copyright (C) Allen Kay <allen.m.kay@intel.com>
*/
#ifndef __XEN_HVM_IOMMU_H__
#define __XEN_HVM_IOMMU_H__
#include <xen/iommu.h>
struct g2m_ioport {
struct list_head list;
unsigned int gport;
unsigned int mport;
unsigned int np;
};
struct mapped_rmrr {
struct list_head list;
u64 base;
u64 end;
};
struct hvm_iommu {
u64 pgd_maddr; /* io page directory machine address */
spinlock_t mapping_lock; /* io page table lock */
int agaw; /* adjusted guest address width, 0 is level 2 30-bit */
struct list_head g2m_ioport_list; /* guest to machine ioport mapping */
u64 iommu_bitmap; /* bitmap of iommu(s) that the domain uses */
struct list_head mapped_rmrrs;
/* amd iommu support */
int domain_id;
int paging_mode;
struct page_info *root_table;
struct guest_iommu *g_iommu;
/* iommu_ops */
const struct iommu_ops *platform_ops;
};
#endif /* __XEN_HVM_IOMMU_H__ */
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