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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>
* Copyright (C) Weidong Han <weidong.han@intel.com>
*/
#ifndef _VTD_EXTERN_H_
#define _VTD_EXTERN_H_
#include "dmar.h"
extern int iommu_setup_done;
extern int vtd2_thurley_enabled;
extern int vtd2_qinval_enabled;
extern spinlock_t ioapic_lock;
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 domain *d, struct iommu *iommu,
int bus, int devfn, unsigned long gmfn);
void pdev_flr(u8 bus, u8 devfn);
int qinval_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);
void gsi_remapping(unsigned int gsi);
void print_iommu_regs(struct acpi_drhd_unit *drhd);
int vtd_hw_check(void);
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_
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