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qemu/include/accel/tcg/iommu.h

42 lines
1.3 KiB
C

/*
* TCG IOMMU translations.
*
* Copyright (c) 2003 Fabrice Bellard
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#ifndef ACCEL_TCG_IOMMU_H
#define ACCEL_TCG_IOMMU_H
#ifdef CONFIG_USER_ONLY
#error Cannot include accel/tcg/iommu.h from user emulation
#endif
#include "exec/hwaddr.h"
#include "exec/memattrs.h"
/**
* iotlb_to_section:
* @cpu: CPU performing the access
* @index: TCG CPU IOTLB entry
*
* Given a TCG CPU IOTLB entry, return the MemoryRegionSection that
* it refers to. @index will have been initially created and returned
* by memory_region_section_get_iotlb().
*/
MemoryRegionSection *iotlb_to_section(CPUState *cpu,
hwaddr index, MemTxAttrs attrs);
MemoryRegionSection *address_space_translate_for_iotlb(CPUState *cpu,
int asidx,
hwaddr addr,
hwaddr *xlat,
hwaddr *plen,
MemTxAttrs attrs,
int *prot);
hwaddr memory_region_section_get_iotlb(CPUState *cpu,
MemoryRegionSection *section);
#endif