| 1 | /* $Id: DevIommuIntel.h 88327 2021-03-31 03:00:55Z vboxsync $ */
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| 2 | /** @file
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| 3 | * DevIommuIntel - I/O Memory Management Unit (Intel), header shared with the IOMMU, ACPI, chipset/firmware code.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2021 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #ifndef VBOX_INCLUDED_SRC_Bus_DevIommuIntel_h
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| 19 | #define VBOX_INCLUDED_SRC_Bus_DevIommuIntel_h
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| 20 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 21 | # pragma once
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| 22 | #endif
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| 23 |
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| 24 | #include <VBox/iommu-intel.h>
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| 25 |
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| 26 | /** Intel vendor ID for the DMAR unit. */
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| 27 | #define VTD_PCI_VENDOR_ID 0x8086
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| 28 | /** VirtualBox DMAR unit's device ID. */
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| 29 | #define VTD_PCI_DEVICE_ID 0xc0de
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| 30 | /** VirtualBox DMAR unit's device revision ID. */
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| 31 | #define VTD_PCI_REVISION_ID 0x01
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| 32 |
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| 33 | /** Feature/capability flags exposed to the guest (x2APIC Opt Out until we get
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| 34 | * regular APIC setup working). */
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| 35 | #define VTD_ACPI_DMAR_FLAGS (ACPI_DMAR_F_INTR_REMAP | ACPI_DMAR_F_X2APIC_OPT_OUT)
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| 36 |
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| 37 | /** The MMIO base address of the DMAR unit (taken from real hardware). */
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| 38 | #define VTD_MMIO_BASE_ADDR 0xfed90000
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| 39 |
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| 40 |
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| 41 | #endif /* !VBOX_INCLUDED_SRC_Bus_DevIommuIntel_h */
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