extern.h

xen虚拟机源代码安装包

/*
 * 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 <[e-mail]>
 * Copyright (C) Weidong Han <[e-mail]>
 */

#ifndef _VTD_EXTERN_H_
#define _VTD_EXTERN_H_

#include "dmar.h"

extern struct qi_ctrl *qi_ctrl;
extern struct ir_ctrl *ir_ctrl;

void print_iommu_regs(struct acpi_drhd_unit *drhd);
void print_vtd_entries(struct iommu *iommu, int bus, int devfn, u64 gmfn);
void dump_iommu_info(unsigned char key);

int qinval_setup(struct iommu *iommu);
int intremap_setup(struct iommu *iommu);
int queue_invalidate_context(struct iommu *iommu,
    u16 did, u16 source_id, u8 function_mask, u8 granu);
int queue_invalidate_iotlb(struct iommu *iommu,
    u8 granu, u8 dr, u8 dw, u16 did, u8 am, u8 ih, u64 addr);
int queue_invalidate_iec(struct iommu *iommu,
    u8 granu, u8 im, u16 iidx);
int invalidate_sync(struct iommu *iommu);
int iommu_flush_iec_global(struct iommu *iommu);
int iommu_flush_iec_index(struct iommu *iommu, u8 im, u16 iidx);
struct iommu * ioapic_to_iommu(unsigned int apic_id);
struct acpi_drhd_unit * ioapic_to_drhd(unsigned int apic_id);
void clear_fault_bits(struct iommu *iommu);

#endif // _VTD_EXTERN_H_