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+/** @file
+ * IOMMU - Input/Output Memory Management Unit (AMD).
+ */
+
+/*
+ * Copyright (C) 2020-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that 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, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+#ifndef VBOX_INCLUDED_iommu_amd_h
+#define VBOX_INCLUDED_iommu_amd_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <iprt/types.h>
+#include <iprt/assertcompile.h>
+
+/**
+ * @name PCI configuration register offsets.
+ * In accordance with the AMD spec.
+ * @{
+ */
+#define IOMMU_PCI_OFF_CAP_HDR 0x40
+#define IOMMU_PCI_OFF_BASE_ADDR_REG_LO 0x44
+#define IOMMU_PCI_OFF_BASE_ADDR_REG_HI 0x48
+#define IOMMU_PCI_OFF_RANGE_REG 0x4c
+#define IOMMU_PCI_OFF_MISCINFO_REG_0 0x50
+#define IOMMU_PCI_OFF_MISCINFO_REG_1 0x54
+#define IOMMU_PCI_OFF_MSI_CAP_HDR 0x64
+#define IOMMU_PCI_OFF_MSI_ADDR_LO 0x68
+#define IOMMU_PCI_OFF_MSI_ADDR_HI 0x6c
+#define IOMMU_PCI_OFF_MSI_DATA 0x70
+#define IOMMU_PCI_OFF_MSI_MAP_CAP_HDR 0x74
+/** @} */
+
+/**
+ * @name MMIO register offsets.
+ * In accordance with the AMD spec.
+ * @{
+ */
+#define IOMMU_MMIO_OFF_QWORD_TABLE_0_START IOMMU_MMIO_OFF_DEV_TAB_BAR
+#define IOMMU_MMIO_OFF_DEV_TAB_BAR 0x00
+#define IOMMU_MMIO_OFF_CMD_BUF_BAR 0x08
+#define IOMMU_MMIO_OFF_EVT_LOG_BAR 0x10
+#define IOMMU_MMIO_OFF_CTRL 0x18
+#define IOMMU_MMIO_OFF_EXCL_BAR 0x20
+#define IOMMU_MMIO_OFF_EXCL_RANGE_LIMIT 0x28
+#define IOMMU_MMIO_OFF_EXT_FEAT 0x30
+
+#define IOMMU_MMIO_OFF_PPR_LOG_BAR 0x38
+#define IOMMU_MMIO_OFF_HW_EVT_HI 0x40
+#define IOMMU_MMIO_OFF_HW_EVT_LO 0x48
+#define IOMMU_MMIO_OFF_HW_EVT_STATUS 0x50
+
+#define IOMMU_MMIO_OFF_SMI_FLT_FIRST 0x60
+#define IOMMU_MMIO_OFF_SMI_FLT_LAST 0xd8
+
+#define IOMMU_MMIO_OFF_GALOG_BAR 0xe0
+#define IOMMU_MMIO_OFF_GALOG_TAIL_ADDR 0xe8
+
+#define IOMMU_MMIO_OFF_PPR_LOG_B_BAR 0xf0
+#define IOMMU_MMIO_OFF_PPR_EVT_B_BAR 0xf8
+
+#define IOMMU_MMIO_OFF_DEV_TAB_SEG_FIRST 0x100
+#define IOMMU_MMIO_OFF_DEV_TAB_SEG_1 0x100
+#define IOMMU_MMIO_OFF_DEV_TAB_SEG_2 0x108
+#define IOMMU_MMIO_OFF_DEV_TAB_SEG_3 0x110
+#define IOMMU_MMIO_OFF_DEV_TAB_SEG_4 0x118
+#define IOMMU_MMIO_OFF_DEV_TAB_SEG_5 0x120
+#define IOMMU_MMIO_OFF_DEV_TAB_SEG_6 0x128
+#define IOMMU_MMIO_OFF_DEV_TAB_SEG_7 0x130
+#define IOMMU_MMIO_OFF_DEV_TAB_SEG_LAST 0x130
+
+#define IOMMU_MMIO_OFF_DEV_SPECIFIC_FEAT 0x138
+#define IOMMU_MMIO_OFF_DEV_SPECIFIC_CTRL 0x140
+#define IOMMU_MMIO_OFF_DEV_SPECIFIC_STATUS 0x148
+
+#define IOMMU_MMIO_OFF_MSI_VECTOR_0 0x150
+#define IOMMU_MMIO_OFF_MSI_VECTOR_1 0x154
+#define IOMMU_MMIO_OFF_MSI_CAP_HDR 0x158
+#define IOMMU_MMIO_OFF_MSI_ADDR_LO 0x15c
+#define IOMMU_MMIO_OFF_MSI_ADDR_HI 0x160
+#define IOMMU_MMIO_OFF_MSI_DATA 0x164
+#define IOMMU_MMIO_OFF_MSI_MAPPING_CAP_HDR 0x168
+
+#define IOMMU_MMIO_OFF_PERF_OPT_CTRL 0x16c
+
+#define IOMMU_MMIO_OFF_XT_GEN_INTR_CTRL 0x170
+#define IOMMU_MMIO_OFF_XT_PPR_INTR_CTRL 0x178
+#define IOMMU_MMIO_OFF_XT_GALOG_INT_CTRL 0x180
+#define IOMMU_MMIO_OFF_QWORD_TABLE_0_END (IOMMU_MMIO_OFF_XT_GALOG_INT_CTRL + 8)
+
+#define IOMMU_MMIO_OFF_QWORD_TABLE_1_START IOMMU_MMIO_OFF_MARC_APER_BAR_0
+#define IOMMU_MMIO_OFF_MARC_APER_BAR_0 0x200
+#define IOMMU_MMIO_OFF_MARC_APER_RELOC_0 0x208
+#define IOMMU_MMIO_OFF_MARC_APER_LEN_0 0x210
+#define IOMMU_MMIO_OFF_MARC_APER_BAR_1 0x218
+#define IOMMU_MMIO_OFF_MARC_APER_RELOC_1 0x220
+#define IOMMU_MMIO_OFF_MARC_APER_LEN_1 0x228
+#define IOMMU_MMIO_OFF_MARC_APER_BAR_2 0x230
+#define IOMMU_MMIO_OFF_MARC_APER_RELOC_2 0x238
+#define IOMMU_MMIO_OFF_MARC_APER_LEN_2 0x240
+#define IOMMU_MMIO_OFF_MARC_APER_BAR_3 0x248
+#define IOMMU_MMIO_OFF_MARC_APER_RELOC_3 0x250
+#define IOMMU_MMIO_OFF_MARC_APER_LEN_3 0x258
+#define IOMMU_MMIO_OFF_QWORD_TABLE_1_END (IOMMU_MMIO_OFF_MARC_APER_LEN_3 + 8)
+
+#define IOMMU_MMIO_OFF_QWORD_TABLE_2_START IOMMU_MMIO_OFF_RSVD_REG
+#define IOMMU_MMIO_OFF_RSVD_REG 0x1ff8
+
+#define IOMMU_MMIO_OFF_CMD_BUF_HEAD_PTR 0x2000
+#define IOMMU_MMIO_OFF_CMD_BUF_TAIL_PTR 0x2008
+#define IOMMU_MMIO_OFF_EVT_LOG_HEAD_PTR 0x2010
+#define IOMMU_MMIO_OFF_EVT_LOG_TAIL_PTR 0x2018
+
+#define IOMMU_MMIO_OFF_STATUS 0x2020
+
+#define IOMMU_MMIO_OFF_PPR_LOG_HEAD_PTR 0x2030
+#define IOMMU_MMIO_OFF_PPR_LOG_TAIL_PTR 0x2038
+
+#define IOMMU_MMIO_OFF_GALOG_HEAD_PTR 0x2040
+#define IOMMU_MMIO_OFF_GALOG_TAIL_PTR 0x2048
+
+#define IOMMU_MMIO_OFF_PPR_LOG_B_HEAD_PTR 0x2050
+#define IOMMU_MMIO_OFF_PPR_LOG_B_TAIL_PTR 0x2058
+
+#define IOMMU_MMIO_OFF_EVT_LOG_B_HEAD_PTR 0x2070
+#define IOMMU_MMIO_OFF_EVT_LOG_B_TAIL_PTR 0x2078
+
+#define IOMMU_MMIO_OFF_PPR_LOG_AUTO_RESP 0x2080
+#define IOMMU_MMIO_OFF_PPR_LOG_OVERFLOW_EARLY 0x2088
+#define IOMMU_MMIO_OFF_PPR_LOG_B_OVERFLOW_EARLY 0x2090
+#define IOMMU_MMIO_OFF_QWORD_TABLE_2_END (IOMMU_MMIO_OFF_PPR_LOG_B_OVERFLOW_EARLY + 8)
+/** @} */
+
+/**
+ * @name MMIO register-access table offsets.
+ * Each table [first..last] (both inclusive) represents the range of registers
+ * covered by a distinct register-access table. This is done due to arbitrary large
+ * gaps in the MMIO register offsets themselves.
+ * @{
+ */
+#define IOMMU_MMIO_OFF_TABLE_0_FIRST 0x00
+#define IOMMU_MMIO_OFF_TABLE_0_LAST 0x258
+
+#define IOMMU_MMIO_OFF_TABLE_1_FIRST 0x1ff8
+#define IOMMU_MMIO_OFF_TABLE_1_LAST 0x2090
+/** @} */
+
+/**
+ * @name Commands.
+ * In accordance with the AMD spec.
+ * @{
+ */
+#define IOMMU_CMD_COMPLETION_WAIT 0x01
+#define IOMMU_CMD_INV_DEV_TAB_ENTRY 0x02
+#define IOMMU_CMD_INV_IOMMU_PAGES 0x03
+#define IOMMU_CMD_INV_IOTLB_PAGES 0x04
+#define IOMMU_CMD_INV_INTR_TABLE 0x05
+#define IOMMU_CMD_PREFETCH_IOMMU_PAGES 0x06
+#define IOMMU_CMD_COMPLETE_PPR_REQ 0x07
+#define IOMMU_CMD_INV_IOMMU_ALL 0x08
+/** @} */
+
+/**
+ * @name Event codes.
+ * In accordance with the AMD spec.
+ * @{
+ */
+#define IOMMU_EVT_ILLEGAL_DEV_TAB_ENTRY 0x01
+#define IOMMU_EVT_IO_PAGE_FAULT 0x02
+#define IOMMU_EVT_DEV_TAB_HW_ERROR 0x03
+#define IOMMU_EVT_PAGE_TAB_HW_ERROR 0x04
+#define IOMMU_EVT_ILLEGAL_CMD_ERROR 0x05
+#define IOMMU_EVT_COMMAND_HW_ERROR 0x06
+#define IOMMU_EVT_IOTLB_INV_TIMEOUT 0x07
+#define IOMMU_EVT_INVALID_DEV_REQ 0x08
+#define IOMMU_EVT_INVALID_PPR_REQ 0x09
+#define IOMMU_EVT_EVENT_COUNTER_ZERO 0x10
+#define IOMMU_EVT_GUEST_EVENT_FAULT 0x11
+/** @} */
+
+/**
+ * @name IOMMU Capability Header.
+ * In accordance with the AMD spec.
+ * @{
+ */
+/** CapId: Capability ID. */
+#define IOMMU_BF_CAPHDR_CAP_ID_SHIFT 0
+#define IOMMU_BF_CAPHDR_CAP_ID_MASK UINT32_C(0x000000ff)
+/** CapPtr: Capability Pointer. */
+#define IOMMU_BF_CAPHDR_CAP_PTR_SHIFT 8
+#define IOMMU_BF_CAPHDR_CAP_PTR_MASK UINT32_C(0x0000ff00)
+/** CapType: Capability Type. */
+#define IOMMU_BF_CAPHDR_CAP_TYPE_SHIFT 16
+#define IOMMU_BF_CAPHDR_CAP_TYPE_MASK UINT32_C(0x00070000)
+/** CapRev: Capability Revision. */
+#define IOMMU_BF_CAPHDR_CAP_REV_SHIFT 19
+#define IOMMU_BF_CAPHDR_CAP_REV_MASK UINT32_C(0x00f80000)
+/** IoTlbSup: IO TLB Support. */
+#define IOMMU_BF_CAPHDR_IOTLB_SUP_SHIFT 24
+#define IOMMU_BF_CAPHDR_IOTLB_SUP_MASK UINT32_C(0x01000000)
+/** HtTunnel: HyperTransport Tunnel translation support. */
+#define IOMMU_BF_CAPHDR_HT_TUNNEL_SHIFT 25
+#define IOMMU_BF_CAPHDR_HT_TUNNEL_MASK UINT32_C(0x02000000)
+/** NpCache: Not Present table entries Cached. */
+#define IOMMU_BF_CAPHDR_NP_CACHE_SHIFT 26
+#define IOMMU_BF_CAPHDR_NP_CACHE_MASK UINT32_C(0x04000000)
+/** EFRSup: Extended Feature Register (EFR) Supported. */
+#define IOMMU_BF_CAPHDR_EFR_SUP_SHIFT 27
+#define IOMMU_BF_CAPHDR_EFR_SUP_MASK UINT32_C(0x08000000)
+/** CapExt: Miscellaneous Information Register Supported . */
+#define IOMMU_BF_CAPHDR_CAP_EXT_SHIFT 28
+#define IOMMU_BF_CAPHDR_CAP_EXT_MASK UINT32_C(0x10000000)
+/** Bits 31:29 reserved. */
+#define IOMMU_BF_CAPHDR_RSVD_29_31_SHIFT 29
+#define IOMMU_BF_CAPHDR_RSVD_29_31_MASK UINT32_C(0xe0000000)
+RT_BF_ASSERT_COMPILE_CHECKS(IOMMU_BF_CAPHDR_, UINT32_C(0), UINT32_MAX,
+ (CAP_ID, CAP_PTR, CAP_TYPE, CAP_REV, IOTLB_SUP, HT_TUNNEL, NP_CACHE, EFR_SUP, CAP_EXT, RSVD_29_31));
+/** @} */
+
+/**
+ * @name IOMMU Base Address Low Register.
+ * In accordance with the AMD spec.
+ * @{
+ */
+/** Enable: Enables access to the address specified in the Base Address Register. */
+#define IOMMU_BF_BASEADDR_LO_ENABLE_SHIFT 0
+#define IOMMU_BF_BASEADDR_LO_ENABLE_MASK UINT32_C(0x00000001)
+/** Bits 13:1 reserved. */
+#define IOMMU_BF_BASEADDR_LO_RSVD_1_13_SHIFT 1
+#define IOMMU_BF_BASEADDR_LO_RSVD_1_13_MASK UINT32_C(0x00003ffe)
+/** Base Address[31:14]: Low Base address of IOMMU MMIO control registers. */
+#define IOMMU_BF_BASEADDR_LO_ADDR_SHIFT 14
+#define IOMMU_BF_BASEADDR_LO_ADDR_MASK UINT32_C(0xffffc000)
+RT_BF_ASSERT_COMPILE_CHECKS(IOMMU_BF_BASEADDR_LO_, UINT32_C(0), UINT32_MAX,
+ (ENABLE, RSVD_1_13, ADDR));
+/** @} */
+
+/**
+ * @name IOMMU Range Register.
+ * In accordance with the AMD spec.
+ * @{
+ */
+/** UnitID: HyperTransport Unit ID. */
+#define IOMMU_BF_RANGE_UNIT_ID_SHIFT 0
+#define IOMMU_BF_RANGE_UNIT_ID_MASK UINT32_C(0x0000001f)
+/** Bits 6:5 reserved. */
+#define IOMMU_BF_RANGE_RSVD_5_6_SHIFT 5
+#define IOMMU_BF_RANGE_RSVD_5_6_MASK UINT32_C(0x00000060)
+/** RngValid: Range valid. */
+#define IOMMU_BF_RANGE_VALID_SHIFT 7
+#define IOMMU_BF_RANGE_VALID_MASK UINT32_C(0x00000080)
+/** BusNumber: Device range bus number. */
+#define IOMMU_BF_RANGE_BUS_NUMBER_SHIFT 8
+#define IOMMU_BF_RANGE_BUS_NUMBER_MASK UINT32_C(0x0000ff00)
+/** First Device. */
+#define IOMMU_BF_RANGE_FIRST_DEVICE_SHIFT 16
+#define IOMMU_BF_RANGE_FIRST_DEVICE_MASK UINT32_C(0x00ff0000)
+/** Last Device. */
+#define IOMMU_BF_RANGE_LAST_DEVICE_SHIFT 24
+#define IOMMU_BF_RANGE_LAST_DEVICE_MASK UINT32_C(0xff000000)
+RT_BF_ASSERT_COMPILE_CHECKS(IOMMU_BF_RANGE_, UINT32_C(0), UINT32_MAX,
+ (UNIT_ID, RSVD_5_6, VALID, BUS_NUMBER, FIRST_DEVICE, LAST_DEVICE));
+/** @} */
+
+/**
+ * @name IOMMU Miscellaneous Information Register 0.
+ * In accordance with the AMD spec.
+ * @{
+ */
+/** MsiNum: MSI message number. */
+#define IOMMU_BF_MISCINFO_0_MSI_NUM_SHIFT 0
+#define IOMMU_BF_MISCINFO_0_MSI_NUM_MASK UINT32_C(0x0000001f)
+/** GvaSize: Guest Virtual Address Size. */
+#define IOMMU_BF_MISCINFO_0_GVA_SIZE_SHIFT 5
+#define IOMMU_BF_MISCINFO_0_GVA_SIZE_MASK UINT32_C(0x000000e0)
+/** PaSize: Physical Address Size. */
+#define IOMMU_BF_MISCINFO_0_PA_SIZE_SHIFT 8
+#define IOMMU_BF_MISCINFO_0_PA_SIZE_MASK UINT32_C(0x00007f00)
+/** VaSize: Virtual Address Size. */
+#define IOMMU_BF_MISCINFO_0_VA_SIZE_SHIFT 15
+#define IOMMU_BF_MISCINFO_0_VA_SIZE_MASK UINT32_C(0x003f8000)
+/** HtAtsResv: HyperTransport ATS Response Address range Reserved. */
+#define IOMMU_BF_MISCINFO_0_HT_ATS_RESV_SHIFT 22
+#define IOMMU_BF_MISCINFO_0_HT_ATS_RESV_MASK UINT32_C(0x00400000)
+/** Bits 26:23 reserved. */
+#define IOMMU_BF_MISCINFO_0_RSVD_23_26_SHIFT 23
+#define IOMMU_BF_MISCINFO_0_RSVD_23_26_MASK UINT32_C(0x07800000)
+/** MsiNumPPR: Peripheral Page Request MSI message number. */
+#define IOMMU_BF_MISCINFO_0_MSI_NUM_PPR_SHIFT 27
+#define IOMMU_BF_MISCINFO_0_MSI_NUM_PPR_MASK UINT32_C(0xf8000000)
+RT_BF_ASSERT_COMPILE_CHECKS(IOMMU_BF_MISCINFO_0_, UINT32_C(0), UINT32_MAX,
+ (MSI_NUM, GVA_SIZE, PA_SIZE, VA_SIZE, HT_ATS_RESV, RSVD_23_26, MSI_NUM_PPR));
+/** @} */
+
+/**
+ * @name IOMMU Miscellaneous Information Register 1.
+ * In accordance with the AMD spec.
+ * @{
+ */
+/** MsiNumGA: MSI message number for guest virtual-APIC log. */
+#define IOMMU_BF_MISCINFO_1_MSI_NUM_GA_SHIFT 0
+#define IOMMU_BF_MISCINFO_1_MSI_NUM_GA_MASK UINT32_C(0x0000001f)
+/** Bits 31:5 reserved. */
+#define IOMMU_BF_MISCINFO_1_RSVD_5_31_SHIFT 5
+#define IOMMU_BF_MISCINFO_1_RSVD_5_31_MASK UINT32_C(0xffffffe0)
+RT_BF_ASSERT_COMPILE_CHECKS(IOMMU_BF_MISCINFO_1_, UINT32_C(0), UINT32_MAX,
+ (MSI_NUM_GA, RSVD_5_31));
+/** @} */
+
+/**
+ * @name MSI Capability Header Register.
+ * In accordance with the AMD spec.
+ * @{
+ */
+/** MsiCapId: Capability ID. */
+#define IOMMU_BF_MSI_CAP_HDR_CAP_ID_SHIFT 0
+#define IOMMU_BF_MSI_CAP_HDR_CAP_ID_MASK UINT32_C(0x000000ff)
+/** MsiCapPtr: Pointer (PCI config offset) to the next capability. */
+#define IOMMU_BF_MSI_CAP_HDR_CAP_PTR_SHIFT 8
+#define IOMMU_BF_MSI_CAP_HDR_CAP_PTR_MASK UINT32_C(0x0000ff00)
+/** MsiEn: Message Signal Interrupt enable. */
+#define IOMMU_BF_MSI_CAP_HDR_EN_SHIFT 16
+#define IOMMU_BF_MSI_CAP_HDR_EN_MASK UINT32_C(0x00010000)
+/** MsiMultMessCap: MSI Multi-Message Capability. */
+#define IOMMU_BF_MSI_CAP_HDR_MULTMESS_CAP_SHIFT 17
+#define IOMMU_BF_MSI_CAP_HDR_MULTMESS_CAP_MASK UINT32_C(0x000e0000)
+/** MsiMultMessEn: MSI Mult-Message Enable. */
+#define IOMMU_BF_MSI_CAP_HDR_MULTMESS_EN_SHIFT 20
+#define IOMMU_BF_MSI_CAP_HDR_MULTMESS_EN_MASK UINT32_C(0x00700000)
+/** Msi64BitEn: MSI 64-bit Enabled. */
+#define IOMMU_BF_MSI_CAP_HDR_64BIT_EN_SHIFT 23
+#define IOMMU_BF_MSI_CAP_HDR_64BIT_EN_MASK UINT32_C(0x00800000)
+/** Bits 31:24 reserved. */
+#define IOMMU_BF_MSI_CAP_HDR_RSVD_24_31_SHIFT 24
+#define IOMMU_BF_MSI_CAP_HDR_RSVD_24_31_MASK UINT32_C(0xff000000)
+RT_BF_ASSERT_COMPILE_CHECKS(IOMMU_BF_MSI_CAP_HDR_, UINT32_C(0), UINT32_MAX,
+ (CAP_ID, CAP_PTR, EN, MULTMESS_CAP, MULTMESS_EN, 64BIT_EN, RSVD_24_31));
+/** @} */
+
+/**
+ * @name MSI Mapping Capability Header Register.
+ * In accordance with the AMD spec.
+ * @{
+ */
+/** MsiMapCapId: Capability ID. */
+#define IOMMU_BF_MSI_MAP_CAPHDR_CAP_ID_SHIFT 0
+#define IOMMU_BF_MSI_MAP_CAPHDR_CAP_ID_MASK UINT32_C(0x000000ff)
+/** MsiMapCapPtr: Pointer (PCI config offset) to the next capability. */
+#define IOMMU_BF_MSI_MAP_CAPHDR_CAP_PTR_SHIFT 8
+#define IOMMU_BF_MSI_MAP_CAPHDR_CAP_PTR_MASK UINT32_C(0x0000ff00)
+/** MsiMapEn: MSI mapping capability enable. */
+#define IOMMU_BF_MSI_MAP_CAPHDR_EN_SHIFT 16
+#define IOMMU_BF_MSI_MAP_CAPHDR_EN_MASK UINT32_C(0x00010000)
+/** MsiMapFixd: MSI interrupt mapping range is not programmable. */
+#define IOMMU_BF_MSI_MAP_CAPHDR_FIXED_SHIFT 17
+#define IOMMU_BF_MSI_MAP_CAPHDR_FIXED_MASK UINT32_C(0x00020000)
+/** Bits 18:28 reserved. */
+#define IOMMU_BF_MSI_MAP_CAPHDR_RSVD_18_28_SHIFT 18
+#define IOMMU_BF_MSI_MAP_CAPHDR_RSVD_18_28_MASK UINT32_C(0x07fc0000)
+/** MsiMapCapType: MSI mapping capability. */
+#define IOMMU_BF_MSI_MAP_CAPHDR_CAP_TYPE_SHIFT 27
+#define IOMMU_BF_MSI_MAP_CAPHDR_CAP_TYPE_MASK UINT32_C(0xf8000000)
+RT_BF_ASSERT_COMPILE_CHECKS(IOMMU_BF_MSI_MAP_CAPHDR_, UINT32_C(0), UINT32_MAX,
+ (CAP_ID, CAP_PTR, EN, FIXED, RSVD_18_28, CAP_TYPE));
+/** @} */
+
+/**
+ * @name IOMMU Status Register Bits.
+ * In accordance with the AMD spec.
+ * @{
+ */
+/** EventOverflow: Event log overflow. */
+#define IOMMU_STATUS_EVT_LOG_OVERFLOW RT_BIT_64(0)
+/** EventLogInt: Event log interrupt. */
+#define IOMMU_STATUS_EVT_LOG_INTR RT_BIT_64(1)
+/** ComWaitInt: Completion wait interrupt. */
+#define IOMMU_STATUS_COMPLETION_WAIT_INTR RT_BIT_64(2)
+/** EventLogRun: Event log is running. */
+#define IOMMU_STATUS_EVT_LOG_RUNNING RT_BIT_64(3)
+/** CmdBufRun: Command buffer is running. */
+#define IOMMU_STATUS_CMD_BUF_RUNNING RT_BIT_64(4)
+/** PprOverflow: Peripheral page request log overflow. */
+#define IOMMU_STATUS_PPR_LOG_OVERFLOW RT_BIT_64(5)
+/** PprInt: Peripheral page request log interrupt. */
+#define IOMMU_STATUS_PPR_LOG_INTR RT_BIT_64(6)
+/** PprLogRun: Peripheral page request log is running. */
+#define IOMMU_STATUS_PPR_LOG_RUN RT_BIT_64(7)
+/** GALogRun: Guest virtual-APIC log is running. */
+#define IOMMU_STATUS_GA_LOG_RUN RT_BIT_64(8)
+/** GALOverflow: Guest virtual-APIC log overflow. */
+#define IOMMU_STATUS_GA_LOG_OVERFLOW RT_BIT_64(9)
+/** GAInt: Guest virtual-APIC log interrupt. */
+#define IOMMU_STATUS_GA_LOG_INTR RT_BIT_64(10)
+/** PprOvrflwB: PPR Log B overflow. */
+#define IOMMU_STATUS_PPR_LOG_B_OVERFLOW RT_BIT_64(11)
+/** PprLogActive: PPR Log B is active. */
+#define IOMMU_STATUS_PPR_LOG_B_ACTIVE RT_BIT_64(12)
+/** EvtOvrflwB: Event log B overflow. */
+#define IOMMU_STATUS_EVT_LOG_B_OVERFLOW RT_BIT_64(15)
+/** EventLogActive: Event log B active. */
+#define IOMMU_STATUS_EVT_LOG_B_ACTIVE RT_BIT_64(16)
+/** PprOvrflwEarlyB: PPR log B overflow early warning. */
+#define IOMMU_STATUS_PPR_LOG_B_OVERFLOW_EARLY RT_BIT_64(17)
+/** PprOverflowEarly: PPR log overflow early warning. */
+#define IOMMU_STATUS_PPR_LOG_OVERFLOW_EARLY RT_BIT_64(18)
+/** @} */
+
+/** @name IOMMU_IO_PERM_XXX: IOMMU I/O access permissions bits.
+ * In accordance with the AMD spec.
+ *
+ * These values match the shifted values of the IR and IW field of the DTE and the
+ * PTE, PDE of the I/O page tables.
+ *
+ * @{ */
+#define IOMMU_IO_PERM_NONE (0)
+#define IOMMU_IO_PERM_READ RT_BIT_64(0)
+#define IOMMU_IO_PERM_WRITE RT_BIT_64(1)
+#define IOMMU_IO_PERM_READ_WRITE (IOMMU_IO_PERM_READ | IOMMU_IO_PERM_WRITE)
+#define IOMMU_IO_PERM_SHIFT 61
+#define IOMMU_IO_PERM_MASK 0x3
+/** @} */
+
+/** @name SYSMGT_TYPE_XXX: System Management Message Enable Types.
+ * In accordance with the AMD spec.
+ * @{ */
+#define SYSMGTTYPE_DMA_DENY (0)
+#define SYSMGTTYPE_MSG_ALL_ALLOW (1)
+#define SYSMGTTYPE_MSG_INT_ALLOW (2)
+#define SYSMGTTYPE_DMA_ALLOW (3)
+/** @} */
+
+/** @name IOMMU_INTR_CTRL_XX: DTE::IntCtl field values.
+ * These are control bits for handling fixed and arbitrated interrupts.
+ * In accordance with the AMD spec.
+ * @{ */
+#define IOMMU_INTR_CTRL_TARGET_ABORT (0)
+#define IOMMU_INTR_CTRL_FWD_UNMAPPED (1)
+#define IOMMU_INTR_CTRL_REMAP (2)
+#define IOMMU_INTR_CTRL_RSVD (3)
+/** @} */
+
+/** Gets the device table length (in bytes) given the device table pointer. */
+#define IOMMU_GET_DEV_TAB_LEN(a_pDevTab) (((a_pDevTab)->n.u9Size + 1) << X86_PAGE_4K_SHIFT)
+
+/**
+ * The Device ID.
+ * In accordance with VirtualBox's PCI configuration.
+ */
+typedef union
+{
+ struct
+ {
+ RT_GCC_EXTENSION uint16_t u3Function : 3; /**< Bits 2:0 - Function. */
+ RT_GCC_EXTENSION uint16_t u9Device : 9; /**< Bits 11:3 - Device. */
+ RT_GCC_EXTENSION uint16_t u4Bus : 4; /**< Bits 15:12 - Bus. */
+ } n;
+ /** The unsigned integer view. */
+ uint16_t u;
+} DEVICE_ID_T;
+AssertCompileSize(DEVICE_ID_T, 2);
+
+/**
+ * Device Table Entry (DTE).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ RT_GCC_EXTENSION uint64_t u1Valid : 1; /**< Bit 0 - V: Valid. */
+ RT_GCC_EXTENSION uint64_t u1TranslationValid : 1; /**< Bit 1 - TV: Translation information Valid. */
+ RT_GCC_EXTENSION uint64_t u5Rsvd0 : 5; /**< Bits 6:2 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u2Had : 2; /**< Bits 8:7 - HAD: Host Access Dirty. */
+ RT_GCC_EXTENSION uint64_t u3Mode : 3; /**< Bits 11:9 - Mode: Paging mode. */
+ RT_GCC_EXTENSION uint64_t u40PageTableRootPtrLo : 40; /**< Bits 51:12 - Page Table Root Pointer. */
+ RT_GCC_EXTENSION uint64_t u1Ppr : 1; /**< Bit 52 - PPR: Peripheral Page Request. */
+ RT_GCC_EXTENSION uint64_t u1GstPprRespPasid : 1; /**< Bit 53 - GRPR: Guest PPR Response with PASID. */
+ RT_GCC_EXTENSION uint64_t u1GstIoValid : 1; /**< Bit 54 - GIoV: Guest I/O Protection Valid. */
+ RT_GCC_EXTENSION uint64_t u1GstTranslateValid : 1; /**< Bit 55 - GV: Guest translation Valid. */
+ RT_GCC_EXTENSION uint64_t u2GstMode : 2; /**< Bits 57:56 - GLX: Guest Paging mode levels. */
+ RT_GCC_EXTENSION uint64_t u3GstCr3TableRootPtrLo : 3; /**< Bits 60:58 - GCR3 TRP: Guest CR3 Table Root Ptr (Lo). */
+ RT_GCC_EXTENSION uint64_t u1IoRead : 1; /**< Bit 61 - IR: I/O Read permission. */
+ RT_GCC_EXTENSION uint64_t u1IoWrite : 1; /**< Bit 62 - IW: I/O Write permission. */
+ RT_GCC_EXTENSION uint64_t u1Rsvd0 : 1; /**< Bit 63 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u16DomainId : 16; /**< Bits 79:64 - Domain ID. */
+ RT_GCC_EXTENSION uint64_t u16GstCr3TableRootPtrMid : 16; /**< Bits 95:80 - GCR3 TRP: Guest CR3 Table Root Ptr (Mid). */
+ RT_GCC_EXTENSION uint64_t u1IoTlbEnable : 1; /**< Bit 96 - I: IOTLB Enable (remote). */
+ RT_GCC_EXTENSION uint64_t u1SuppressPfEvents : 1; /**< Bit 97 - SE: Suppress Page-fault events. */
+ RT_GCC_EXTENSION uint64_t u1SuppressAllPfEvents : 1; /**< Bit 98 - SA: Suppress All Page-fault events. */
+ RT_GCC_EXTENSION uint64_t u2IoCtl : 2; /**< Bits 100:99 - IoCtl: Port I/O Control. */
+ RT_GCC_EXTENSION uint64_t u1Cache : 1; /**< Bit 101 - Cache: IOTLB Cache Hint. */
+ RT_GCC_EXTENSION uint64_t u1SnoopDisable : 1; /**< Bit 102 - SD: Snoop Disable. */
+ RT_GCC_EXTENSION uint64_t u1AllowExclusion : 1; /**< Bit 103 - EX: Allow Exclusion. */
+ RT_GCC_EXTENSION uint64_t u2SysMgt : 2; /**< Bits 105:104 - SysMgt: System Management message enable. */
+ RT_GCC_EXTENSION uint64_t u1Rsvd1 : 1; /**< Bit 106 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u21GstCr3TableRootPtrHi : 21; /**< Bits 127:107 - GCR3 TRP: Guest CR3 Table Root Ptr (Hi). */
+ RT_GCC_EXTENSION uint64_t u1IntrMapValid : 1; /**< Bit 128 - IV: Interrupt map Valid. */
+ RT_GCC_EXTENSION uint64_t u4IntrTableLength : 4; /**< Bits 132:129 - IntTabLen: Interrupt Table Length. */
+ RT_GCC_EXTENSION uint64_t u1IgnoreUnmappedIntrs : 1; /**< Bits 133 - IG: Ignore unmapped interrupts. */
+ RT_GCC_EXTENSION uint64_t u46IntrTableRootPtr : 46; /**< Bits 179:134 - Interrupt Root Table Pointer. */
+ RT_GCC_EXTENSION uint64_t u4Rsvd0 : 4; /**< Bits 183:180 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u1InitPassthru : 1; /**< Bits 184 - INIT Pass-through. */
+ RT_GCC_EXTENSION uint64_t u1ExtIntPassthru : 1; /**< Bits 185 - External Interrupt Pass-through. */
+ RT_GCC_EXTENSION uint64_t u1NmiPassthru : 1; /**< Bits 186 - NMI Pass-through. */
+ RT_GCC_EXTENSION uint64_t u1Rsvd2 : 1; /**< Bits 187 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u2IntrCtrl : 2; /**< Bits 189:188 - IntCtl: Interrupt Control. */
+ RT_GCC_EXTENSION uint64_t u1Lint0Passthru : 1; /**< Bit 190 - Lint0Pass: LINT0 Pass-through. */
+ RT_GCC_EXTENSION uint64_t u1Lint1Passthru : 1; /**< Bit 191 - Lint1Pass: LINT1 Pass-through. */
+ RT_GCC_EXTENSION uint64_t u32Rsvd0 : 32; /**< Bits 223:192 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u22Rsvd0 : 22; /**< Bits 245:224 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u1AttrOverride : 1; /**< Bit 246 - AttrV: Attribute Override. */
+ RT_GCC_EXTENSION uint64_t u1Mode0FC : 1; /**< Bit 247 - Mode0FC. */
+ RT_GCC_EXTENSION uint64_t u8SnoopAttr : 8; /**< Bits 255:248 - Snoop Attribute. */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t au32[8];
+ /** The 64-bit unsigned integer view. */
+ uint64_t au64[4];
+} DTE_T;
+AssertCompileSize(DTE_T, 32);
+/** Pointer to a device table entry. */
+typedef DTE_T *PDTE_T;
+/** Pointer to a const device table entry. */
+typedef DTE_T const *PCDTE_T;
+
+/** Mask of valid bits for EPHSUP (Enhanced Peripheral Page Request Handling
+ * Support) feature (bits 52:53). */
+#define IOMMU_DTE_QWORD_0_FEAT_EPHSUP_MASK UINT64_C(0x0030000000000000)
+
+/** Mask of valid bits for GTSup (Guest Translation Support) feature (bits 55:60,
+ * bits 80:95). */
+#define IOMMU_DTE_QWORD_0_FEAT_GTSUP_MASK UINT64_C(0x1f80000000000000)
+#define IOMMU_DTE_QWORD_1_FEAT_GTSUP_MASK UINT64_C(0x00000000ffff0000)
+
+/** Mask of valid bits for GIoSup (Guest I/O Protection Support) feature (bit 54). */
+#define IOMMU_DTE_QWORD_0_FEAT_GIOSUP_MASK UINT64_C(0x0040000000000000)
+
+/** Mask of valid DTE feature bits. */
+#define IOMMU_DTE_QWORD_0_FEAT_MASK ( IOMMU_DTE_QWORD_0_FEAT_EPHSUP_MASK \
+ | IOMMU_DTE_QWORD_0_FEAT_GTSUP_MASK \
+ | IOMMU_DTE_QWORD_0_FEAT_GIOSUP_MASK)
+#define IOMMU_DTE_QWORD_1_FEAT_MASK IOMMU_DTE_QWORD_0_FEAT_GIOSUP_MASK
+
+/** Mask of all valid DTE bits (including all feature bits). */
+#define IOMMU_DTE_QWORD_0_VALID_MASK UINT64_C(0x7fffffffffffff83)
+#define IOMMU_DTE_QWORD_1_VALID_MASK UINT64_C(0xfffffbffffffffff)
+#define IOMMU_DTE_QWORD_2_VALID_MASK UINT64_C(0xff0fffffffffffff)
+#define IOMMU_DTE_QWORD_3_VALID_MASK UINT64_C(0xffc0000000000000)
+
+/** Mask of the interrupt table root pointer. */
+#define IOMMU_DTE_IRTE_ROOT_PTR_MASK UINT64_C(0x000fffffffffffc0)
+/** Number of bits to shift to get the interrupt root table pointer at
+ qword 2 (qword 0 being the first one) - 128-byte aligned. */
+#define IOMMU_DTE_IRTE_ROOT_PTR_SHIFT 6
+
+/** Maximum encoded IRTE length (exclusive). */
+#define IOMMU_DTE_INTR_TAB_LEN_MAX 12
+/** Gets the interrupt table entries (in bytes) given the DTE pointer. */
+#define IOMMU_DTE_GET_INTR_TAB_ENTRIES(a_pDte) (UINT64_C(1) << (a_pDte)->n.u4IntrTableLength)
+/** Gets the interrupt table length (in bytes) given the DTE pointer. */
+#define IOMMU_DTE_GET_INTR_TAB_LEN(a_pDte) (IOMMU_DTE_GET_INTR_TAB_ENTRIES(a_pDte) * sizeof(IRTE_T))
+/** Mask of interrupt control bits. */
+#define IOMMU_DTE_INTR_CTRL_MASK 0x3
+/** Gets the interrupt control bits from the DTE. */
+#define IOMMU_DTE_GET_INTR_CTRL(a_pDte) (((a_pDte)->au64[2] >> 60) & IOMMU_DTE_INTR_CTRL_MASK)
+/** Gets the ignore unmapped interrupt bit from DTE. */
+#define IOMMU_DTE_GET_IG(a_pDte) (((a_pDte)->au64[2] >> 5) & 0x1)
+
+/**
+ * I/O Page Translation Entry.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ RT_GCC_EXTENSION uint64_t u1Present : 1; /**< Bit 0 - PR: Present. */
+ RT_GCC_EXTENSION uint64_t u4Ign0 : 4; /**< Bits 4:1 - Ignored. */
+ RT_GCC_EXTENSION uint64_t u1Accessed : 1; /**< Bit 5 - A: Accessed. */
+ RT_GCC_EXTENSION uint64_t u1Dirty : 1; /**< Bit 6 - D: Dirty. */
+ RT_GCC_EXTENSION uint64_t u2Ign0 : 2; /**< Bits 8:7 - Ignored. */
+ RT_GCC_EXTENSION uint64_t u3NextLevel : 3; /**< Bits 11:9 - Next Level: Next page translation level. */
+ RT_GCC_EXTENSION uint64_t u40PageAddr : 40; /**< Bits 51:12 - Page address. */
+ RT_GCC_EXTENSION uint64_t u7Rsvd0 : 7; /**< Bits 58:52 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u1UntranslatedAccess : 1; /**< Bit 59 - U: Untranslated Access Only. */
+ RT_GCC_EXTENSION uint64_t u1ForceCoherent : 1; /**< Bit 60 - FC: Force Coherent. */
+ RT_GCC_EXTENSION uint64_t u1IoRead : 1; /**< Bit 61 - IR: I/O Read permission. */
+ RT_GCC_EXTENSION uint64_t u1IoWrite : 1; /**< Bit 62 - IW: I/O Wead permission. */
+ RT_GCC_EXTENSION uint64_t u1Ign0 : 1; /**< Bit 63 - Ignored. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} IOPTE_T;
+AssertCompileSize(IOPTE_T, 8);
+
+/**
+ * I/O Page Directory Entry.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ RT_GCC_EXTENSION uint64_t u1Present : 1; /**< Bit 0 - PR: Present. */
+ RT_GCC_EXTENSION uint64_t u4Ign0 : 4; /**< Bits 4:1 - Ignored. */
+ RT_GCC_EXTENSION uint64_t u1Accessed : 1; /**< Bit 5 - A: Accessed. */
+ RT_GCC_EXTENSION uint64_t u3Ign0 : 3; /**< Bits 8:6 - Ignored. */
+ RT_GCC_EXTENSION uint64_t u3NextLevel : 3; /**< Bits 11:9 - Next Level: Next page translation level. */
+ RT_GCC_EXTENSION uint64_t u40PageAddr : 40; /**< Bits 51:12 - Page address (Next Table Address). */
+ RT_GCC_EXTENSION uint64_t u9Rsvd0 : 9; /**< Bits 60:52 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u1IoRead : 1; /**< Bit 61 - IR: I/O Read permission. */
+ RT_GCC_EXTENSION uint64_t u1IoWrite : 1; /**< Bit 62 - IW: I/O Wead permission. */
+ RT_GCC_EXTENSION uint64_t u1Ign0 : 1; /**< Bit 63 - Ignored. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} IOPDE_T;
+AssertCompileSize(IOPDE_T, 8);
+
+/**
+ * I/O Page Table Entity.
+ * In accordance with the AMD spec.
+ *
+ * This a common subset of an DTE.au64[0], PTE and PDE.
+ * Named as an "entity" to avoid confusing it with PTE.
+ */
+typedef union
+{
+ struct
+ {
+ RT_GCC_EXTENSION uint64_t u1Present : 1; /**< Bit 0 - PR: Present. */
+ RT_GCC_EXTENSION uint64_t u8Ign0 : 8; /**< Bits 8:1 - Ignored. */
+ RT_GCC_EXTENSION uint64_t u3NextLevel : 3; /**< Bits 11:9 - Mode / Next Level: Next page translation level. */
+ RT_GCC_EXTENSION uint64_t u40Addr : 40; /**< Bits 51:12 - Page address. */
+ RT_GCC_EXTENSION uint64_t u9Ign0 : 9; /**< Bits 60:52 - Ignored. */
+ RT_GCC_EXTENSION uint64_t u1IoRead : 1; /**< Bit 61 - IR: I/O Read permission. */
+ RT_GCC_EXTENSION uint64_t u1IoWrite : 1; /**< Bit 62 - IW: I/O Wead permission. */
+ RT_GCC_EXTENSION uint64_t u1Ign0 : 1; /**< Bit 63 - Ignored. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} IOPTENTITY_T;
+AssertCompileSize(IOPTENTITY_T, 8);
+AssertCompile(sizeof(IOPTENTITY_T) == sizeof(IOPTE_T));
+AssertCompile(sizeof(IOPTENTITY_T) == sizeof(IOPDE_T));
+/** Pointer to an IOPT_ENTITY_T struct. */
+typedef IOPTENTITY_T *PIOPTENTITY_T;
+/** Pointer to a const IOPT_ENTITY_T struct. */
+typedef IOPTENTITY_T const *PCIOPTENTITY_T;
+/** Mask of the address field. */
+#define IOMMU_PTENTITY_ADDR_MASK UINT64_C(0x000ffffffffff000)
+/** Reserved bits in the PDE (bits 60:52). */
+#define IOMMU_PDE_RSVD_MASK UINT64_C(0x1ff0000000000000)
+/** Reserved bits in the PTE (bits 58:52 - U, FC bits not reserved). */
+#define IOMMU_PTE_RSVD_MASK UINT64_C(0x07f0000000000000)
+
+/**
+ * Interrupt Remapping Table Entry (IRTE) - Basic Format.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u1RemapEnable : 1; /**< Bit 0 - RemapEn: Remap Enable. */
+ uint32_t u1SuppressIoPf : 1; /**< Bit 1 - SupIOPF: Suppress I/O Page Fault. */
+ uint32_t u3IntrType : 3; /**< Bits 4:2 - IntType: Interrupt Type. */
+ uint32_t u1ReqEoi : 1; /**< Bit 5 - RqEoi: Request EOI. */
+ uint32_t u1DestMode : 1; /**< Bit 6 - DM: Destination Mode. */
+ uint32_t u1GuestMode : 1; /**< Bit 7 - GuestMode. */
+ uint32_t u8Dest : 8; /**< Bits 15:8 - Destination. */
+ uint32_t u8Vector : 8; /**< Bits 23:16 - Vector. */
+ uint32_t u8Rsvd0 : 8; /**< Bits 31:24 - Reserved. */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t u32;
+} IRTE_T;
+AssertCompileSize(IRTE_T, 4);
+/** Pointer to an IRTE_T struct. */
+typedef IRTE_T *PIRTE_T;
+/** Pointer to a const IRTE_T struct. */
+typedef IRTE_T const *PCIRTE_T;
+
+/** The IRTE offset corresponds directly to bits 10:0 of the originating MSI
+ * interrupt message. See AMD IOMMU spec. 2.2.5 "Interrupt Remapping Tables". */
+#define IOMMU_MSI_DATA_IRTE_OFFSET_MASK UINT32_C(0x000007ff)
+/** Gets the IRTE offset from the originating MSI interrupt message. */
+#define IOMMU_GET_IRTE_OFF(a_u32MsiData) (((a_u32MsiData) & IOMMU_MSI_DATA_IRTE_OFFSET_MASK) * sizeof(IRTE_T))
+
+/**
+ * Interrupt Remapping Table Entry (IRTE) - Guest Virtual APIC Enabled.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u1RemapEnable : 1; /**< Bit 0 - RemapEn: Remap Enable. */
+ uint32_t u1SuppressIoPf : 1; /**< Bit 1 - SupIOPF: Suppress I/O Page Fault. */
+ uint32_t u1GALogIntr : 1; /**< Bit 2 - GALogIntr: Guest APIC Log Interrupt. */
+ uint32_t u3Rsvd : 3; /**< Bits 5:3 - Reserved. */
+ uint32_t u1IsRunning : 1; /**< Bit 6 - IsRun: Hint whether the guest is running. */
+ uint32_t u1GuestMode : 1; /**< Bit 7 - GuestMode. */
+ uint32_t u8Dest : 8; /**< Bits 15:8 - Destination. */
+ uint32_t u8Rsvd0 : 8; /**< Bits 31:16 - Reserved. */
+ uint32_t u32GATag : 32; /**< Bits 63:31 - GATag: Tag used when writing to GA log. */
+ uint32_t u8Vector : 8; /**< Bits 71:64 - Vector: Interrupt vector. */
+ uint32_t u4Reserved : 4; /**< Bits 75:72 - Reserved or ignored depending on RemapEn. */
+ uint32_t u20GATableRootPtrLo : 20; /**< Bits 95:76 - Bits [31:12] of Guest vAPIC Table Root Pointer. */
+ uint32_t u20GATableRootPtrHi : 20; /**< Bits 115:76 - Bits [51:32] of Guest vAPIC Table Root Pointer. */
+ uint32_t u12Rsvd : 12; /**< Bits 127:116 - Reserved. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64[2];
+} IRTE_GVA_T;
+AssertCompileSize(IRTE_GVA_T, 16);
+/** Pointer to an IRTE_GVA_T struct. */
+typedef IRTE_GVA_T *PIRTE_GVA_T;
+/** Pointer to a const IRTE_GVA_T struct. */
+typedef IRTE_GVA_T const *PCIRTE_GVA_T;
+
+/**
+ * Command: Generic Command Buffer Entry.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u32Operand1Lo; /**< Bits 31:0 - Operand 1 (Lo). */
+ uint32_t u28Operand1Hi : 28; /**< Bits 59:32 - Operand 1 (Hi). */
+ uint32_t u4Opcode : 4; /**< Bits 63:60 - Op Code. */
+ uint64_t u64Operand2; /**< Bits 127:64 - Operand 2. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t au64[2];
+} CMD_GENERIC_T;
+AssertCompileSize(CMD_GENERIC_T, 16);
+/** Pointer to a generic command buffer entry. */
+typedef CMD_GENERIC_T *PCMD_GENERIC_T;
+/** Pointer to a const generic command buffer entry. */
+typedef CMD_GENERIC_T const *PCCMD_GENERIC_T;
+
+/** Number of bits to shift the byte offset of a command in the command buffer to
+ * get its index. */
+#define IOMMU_CMD_GENERIC_SHIFT 4
+
+/**
+ * Command: COMPLETION_WAIT.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u1Store : 1; /**< Bit 0 - S: Completion Store. */
+ uint32_t u1Interrupt : 1; /**< Bit 1 - I: Completion Interrupt. */
+ uint32_t u1Flush : 1; /**< Bit 2 - F: Flush Queue. */
+ uint32_t u29StoreAddrLo : 29; /**< Bits 31:3 - Store Address (Lo). */
+ uint32_t u20StoreAddrHi : 20; /**< Bits 51:32 - Store Address (Hi). */
+ uint32_t u8Rsvd0 : 8; /**< Bits 59:52 - Reserved. */
+ uint32_t u4OpCode : 4; /**< Bits 63:60 - OpCode (Command). */
+ uint64_t u64StoreData; /**< Bits 127:64 - Store Data. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t au64[2];
+} CMD_COMWAIT_T;
+AssertCompileSize(CMD_COMWAIT_T, 16);
+/** Pointer to a completion wait command. */
+typedef CMD_COMWAIT_T *PCMD_COMWAIT_T;
+/** Pointer to a const completion wait command. */
+typedef CMD_COMWAIT_T const *PCCMD_COMWAIT_T;
+#define IOMMU_CMD_COM_WAIT_QWORD_0_VALID_MASK UINT64_C(0xf00fffffffffffff)
+
+/**
+ * Command: INVALIDATE_DEVTAB_ENTRY.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint16_t u16DevId; /**< Bits 15:0 - Device ID. */
+ uint16_t u16Rsvd0; /**< Bits 31:16 - Reserved. */
+ uint32_t u28Rsvd0 : 28; /**< Bits 59:32 - Reserved. */
+ uint32_t u4OpCode : 4; /**< Bits 63:60 - Op Code (Command). */
+ uint64_t u64Rsvd0; /**< Bits 127:64 - Reserved. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t au64[2];
+} CMD_INV_DTE_T;
+AssertCompileSize(CMD_INV_DTE_T, 16);
+/** Pointer to a invalidate DTE command. */
+typedef CMD_INV_DTE_T *PCMD_INV_DTE_T;
+/** Pointer to a const invalidate DTE command. */
+typedef CMD_INV_DTE_T const *PCCMD_INV_DTE_T;
+#define IOMMU_CMD_INV_DTE_QWORD_0_VALID_MASK UINT64_C(0xf00000000000ffff)
+#define IOMMU_CMD_INV_DTE_QWORD_1_VALID_MASK UINT64_C(0x0000000000000000)
+
+/**
+ * Command: INVALIDATE_IOMMU_PAGES.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u20Pasid : 20; /**< Bits 19:0 - PASID: Process Address-Space ID. */
+ uint32_t u12Rsvd0 : 12; /**< Bits 31:20 - Reserved. */
+ uint32_t u16DomainId : 16; /**< Bits 47:32 - Domain ID. */
+ uint32_t u12Rsvd1 : 12; /**< Bits 59:48 - Reserved. */
+ uint32_t u4OpCode : 4; /**< Bits 63:60 - Op Code (Command). */
+ uint32_t u1Size : 1; /**< Bit 64 - S: Size. */
+ uint32_t u1PageDirEntries : 1; /**< Bit 65 - PDE: Page Directory Entries. */
+ uint32_t u1GuestOrNested : 1; /**< Bit 66 - GN: Guest (GPA) or Nested (GVA). */
+ uint32_t u9Rsvd0 : 9; /**< Bits 75:67 - Reserved. */
+ uint32_t u20AddrLo : 20; /**< Bits 95:76 - Address (Lo). */
+ uint32_t u32AddrHi; /**< Bits 127:96 - Address (Hi). */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t au64[2];
+} CMD_INV_IOMMU_PAGES_T;
+AssertCompileSize(CMD_INV_IOMMU_PAGES_T, 16);
+/** Pointer to a invalidate iommu pages command. */
+typedef CMD_INV_IOMMU_PAGES_T *PCMD_INV_IOMMU_PAGES_T;
+/** Pointer to a const invalidate iommu pages command. */
+typedef CMD_INV_IOMMU_PAGES_T const *PCCMD_INV_IOMMU_PAGES_T;
+#define IOMMU_CMD_INV_IOMMU_PAGES_QWORD_0_VALID_MASK UINT64_C(0xf000ffff000fffff)
+#define IOMMU_CMD_INV_IOMMU_PAGES_QWORD_1_VALID_MASK UINT64_C(0xfffffffffffff007)
+
+/**
+ * Command: INVALIDATE_IOTLB_PAGES.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint16_t u16DevId; /**< Bits 15:0 - Device ID. */
+ uint8_t u8PasidLo; /**< Bits 23:16 - PASID: Process Address-Space ID (Lo). */
+ uint8_t u8MaxPend; /**< Bits 31:24 - Maxpend: Maximum simultaneous in-flight transactions. */
+ uint32_t u16QueueId : 16; /**< Bits 47:32 - Queue ID. */
+ uint32_t u12PasidHi : 12; /**< Bits 59:48 - PASID: Process Address-Space ID (Hi). */
+ uint32_t u4OpCode : 4; /**< Bits 63:60 - Op Code (Command). */
+ uint32_t u1Size : 1; /**< Bit 64 - S: Size. */
+ uint32_t u1Rsvd0: 1; /**< Bit 65 - Reserved. */
+ uint32_t u1GuestOrNested : 1; /**< Bit 66 - GN: Guest (GPA) or Nested (GVA). */
+ uint32_t u1Rsvd1 : 1; /**< Bit 67 - Reserved. */
+ uint32_t u2Type : 2; /**< Bit 69:68 - Type. */
+ uint32_t u6Rsvd0 : 6; /**< Bits 75:70 - Reserved. */
+ uint32_t u20AddrLo : 20; /**< Bits 95:76 - Address (Lo). */
+ uint32_t u32AddrHi; /**< Bits 127:96 - Address (Hi). */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t au64[2];
+} CMD_INV_IOTLB_PAGES_T;
+AssertCompileSize(CMD_INV_IOTLB_PAGES_T, 16);
+
+/**
+ * Command: INVALIDATE_INTR_TABLE.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint16_t u16DevId; /**< Bits 15:0 - Device ID. */
+ uint16_t u16Rsvd0; /**< Bits 31:16 - Reserved. */
+ uint32_t u32Rsvd0 : 28; /**< Bits 59:32 - Reserved. */
+ uint32_t u4OpCode : 4; /**< Bits 63:60 - Op Code (Command). */
+ uint64_t u64Rsvd0; /**< Bits 127:64 - Reserved. */
+ } u;
+ /** The 64-bit unsigned integer view. */
+ uint64_t au64[2];
+} CMD_INV_INTR_TABLE_T;
+AssertCompileSize(CMD_INV_INTR_TABLE_T, 16);
+/** Pointer to a invalidate interrupt table command. */
+typedef CMD_INV_INTR_TABLE_T *PCMD_INV_INTR_TABLE_T;
+/** Pointer to a const invalidate interrupt table command. */
+typedef CMD_INV_INTR_TABLE_T const *PCCMD_INV_INTR_TABLE_T;
+#define IOMMU_CMD_INV_INTR_TABLE_QWORD_0_VALID_MASK UINT64_C(0xf00000000000ffff)
+#define IOMMU_CMD_INV_INTR_TABLE_QWORD_1_VALID_MASK UINT64_C(0x0000000000000000)
+
+/**
+ * Command: PREFETCH_IOMMU_PAGES.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint16_t u16DevId; /**< Bits 15:0 - Device ID. */
+ uint8_t u8Rsvd0; /**< Bits 23:16 - Reserved. */
+ uint8_t u8PrefCount; /**< Bits 31:24 - PFCount: Number of translations to prefetch. */
+ uint32_t u20Pasid : 20; /**< Bits 51:32 - PASID: Process Address-Space ID. */
+ uint32_t u8Rsvd1 : 8; /**< Bits 59:52 - Reserved. */
+ uint32_t u4OpCode : 4; /**< Bits 63:60 - Op Code (Command). */
+ uint32_t u1Size : 1; /**< Bit 64 - S: Size of the prefetched pages. */
+ uint32_t u1Rsvd0 : 1; /**< Bit 65 - Reserved. */
+ uint32_t u1GuestOrNested : 1; /**< Bit 66 - GN: Guest (GPA) or Nested (GVA). */
+ uint32_t u1Rsvd1 : 1; /**< Bit 67 - Reserved. */
+ uint32_t u1Invalidate : 1; /**< Bit 68 - Inval: Invalidate prior to prefetch. */
+ uint32_t u7Rsvd0 : 7; /**< Bits 75:69 - Reserved */
+ uint32_t u20AddrLo : 7; /**< Bits 95:76 - Address (Lo). */
+ uint32_t u32AddrHi; /**< Bits 127:96 - Address (Hi). */
+ } u;
+ /** The 64-bit unsigned integer view. */
+ uint64_t au64[2];
+} CMD_PREF_IOMMU_PAGES_T;
+AssertCompileSize(CMD_PREF_IOMMU_PAGES_T, 16);
+/** Pointer to a invalidate iommu pages command. */
+typedef CMD_PREF_IOMMU_PAGES_T *PCMD_PREF_IOMMU_PAGES_T;
+/** Pointer to a const invalidate iommu pages command. */
+typedef CMD_PREF_IOMMU_PAGES_T const *PCCMD_PREF_IOMMU_PAGES_T;
+#define IOMMU_CMD_PREF_IOMMU_PAGES_QWORD_0_VALID_MASK UINT64_C(0x780fffffff00ffff)
+#define IOMMU_CMD_PREF_IOMMU_PAGES_QWORD_1_VALID_MASK UINT64_C(0xfffffffffffff015)
+
+
+/**
+ * Command: COMPLETE_PPR_REQ.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint16_t u16DevId; /**< Bits 15:0 - Device ID. */
+ uint16_t u16Rsvd0; /**< Bits 31:16 - Reserved. */
+ uint32_t u20Pasid : 20; /**< Bits 51:32 - PASID: Process Address-Space ID. */
+ uint32_t u8Rsvd0 : 8; /**< Bits 59:52 - Reserved. */
+ uint32_t u4OpCode : 4; /**< Bits 63:60 - Op Code (Command). */
+ uint32_t u2Rsvd0 : 2; /**< Bits 65:64 - Reserved. */
+ uint32_t u1GuestOrNested : 1; /**< Bit 66 - GN: Guest (GPA) or Nested (GVA). */
+ uint32_t u29Rsvd0 : 29; /**< Bits 95:67 - Reserved. */
+ uint32_t u16CompletionTag : 16; /**< Bits 111:96 - Completion Tag. */
+ uint32_t u16Rsvd1 : 16; /**< Bits 127:112 - Reserved. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t au64[2];
+} CMD_COMPLETE_PPR_REQ_T;
+AssertCompileSize(CMD_COMPLETE_PPR_REQ_T, 16);
+
+/**
+ * Command: INV_IOMMU_ALL.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u32Rsvd0; /**< Bits 31:0 - Reserved. */
+ uint32_t u28Rsvd0 : 28; /**< Bits 59:32 - Reserved. */
+ uint32_t u4OpCode : 4; /**< Bits 63:60 - Op Code (Command). */
+ uint64_t u64Rsvd0; /**< Bits 127:64 - Reserved. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t au64[2];
+} CMD_INV_IOMMU_ALL_T;
+AssertCompileSize(CMD_INV_IOMMU_ALL_T, 16);
+/** Pointer to a invalidate IOMMU all command. */
+typedef CMD_INV_IOMMU_ALL_T *PCMD_INV_IOMMU_ALL_T;
+/** Pointer to a const invalidate IOMMU all command. */
+typedef CMD_INV_IOMMU_ALL_T const *PCCMD_INV_IOMMU_ALL_T;
+#define IOMMU_CMD_INV_IOMMU_ALL_QWORD_0_VALID_MASK UINT64_C(0xf000000000000000)
+#define IOMMU_CMD_INV_IOMMU_ALL_QWORD_1_VALID_MASK UINT64_C(0x0000000000000000)
+
+/**
+ * Event Log Entry: Generic.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u32Operand1Lo; /**< Bits 31:0 - Operand 1 (Lo). */
+ uint32_t u28Operand1Hi : 28; /**< Bits 59:32 - Operand 1 (Hi). */
+ uint32_t u4EvtCode : 4; /**< Bits 63:60 - Event code. */
+ uint32_t u32Operand2Lo; /**< Bits 95:64 - Operand 2 (Lo). */
+ uint32_t u32Operand2Hi; /**< Bits 127:96 - Operand 2 (Hi). */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t au32[4];
+} EVT_GENERIC_T;
+AssertCompileSize(EVT_GENERIC_T, 16);
+/** Number of bits to shift the byte offset of an event entry in the event log
+ * buffer to get its index. */
+#define IOMMU_EVT_GENERIC_SHIFT 4
+/** Pointer to a generic event log entry. */
+typedef EVT_GENERIC_T *PEVT_GENERIC_T;
+/** Pointer to a const generic event log entry. */
+typedef const EVT_GENERIC_T *PCEVT_GENERIC_T;
+
+/**
+ * Hardware event types.
+ * In accordance with the AMD spec.
+ */
+typedef enum HWEVTTYPE
+{
+ HWEVTTYPE_RSVD = 0,
+ HWEVTTYPE_MASTER_ABORT,
+ HWEVTTYPE_TARGET_ABORT,
+ HWEVTTYPE_DATA_ERROR
+} HWEVTTYPE;
+AssertCompileSize(HWEVTTYPE, 4);
+
+/**
+ * Event Log Entry: ILLEGAL_DEV_TABLE_ENTRY.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint16_t u16DevId; /**< Bits 15:0 - Device ID. */
+ RT_GCC_EXTENSION uint16_t u4PasidHi : 4; /**< Bits 19:16 - PASID: Process Address-Space ID (Hi). */
+ RT_GCC_EXTENSION uint16_t u12Rsvd0 : 12; /**< Bits 31:20 - Reserved. */
+ uint16_t u16PasidLo; /**< Bits 47:32 - PASID: Process Address-Space ID (Lo). */
+ RT_GCC_EXTENSION uint16_t u1GuestOrNested : 1; /**< Bit 48 - GN: Guest (GPA) or Nested (GVA). */
+ RT_GCC_EXTENSION uint16_t u2Rsvd0 : 2; /**< Bits 50:49 - Reserved. */
+ RT_GCC_EXTENSION uint16_t u1Interrupt : 1; /**< Bit 51 - I: Interrupt. */
+ RT_GCC_EXTENSION uint16_t u1Rsvd0 : 1; /**< Bit 52 - Reserved. */
+ RT_GCC_EXTENSION uint16_t u1ReadWrite : 1; /**< Bit 53 - RW: Read/Write. */
+ RT_GCC_EXTENSION uint16_t u1Rsvd1 : 1; /**< Bit 54 - Reserved. */
+ RT_GCC_EXTENSION uint16_t u1RsvdNotZero : 1; /**< Bit 55 - RZ: Reserved bit not Zero (0=invalid level encoding). */
+ RT_GCC_EXTENSION uint16_t u1Translation : 1; /**< Bit 56 - TN: Translation. */
+ RT_GCC_EXTENSION uint16_t u3Rsvd0 : 3; /**< Bits 59:57 - Reserved. */
+ RT_GCC_EXTENSION uint16_t u4EvtCode : 4; /**< Bits 63:60 - Event code. */
+ uint64_t u64Addr; /**< Bits 127:64 - Address: I/O Virtual Address (IOVA). */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t au32[4];
+ /** The 64-bit unsigned integer view. */
+ uint64_t au64[2];
+} EVT_ILLEGAL_DTE_T;
+AssertCompileSize(EVT_ILLEGAL_DTE_T, 16);
+/** Pointer to an illegal device table entry event. */
+typedef EVT_ILLEGAL_DTE_T *PEVT_ILLEGAL_DTE_T;
+/** Pointer to a const illegal device table entry event. */
+typedef EVT_ILLEGAL_DTE_T const *PCEVT_ILLEGAL_DTE_T;
+
+/**
+ * Event Log Entry: IO_PAGE_FAULT_EVENT.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint16_t u16DevId; /**< Bits 15:0 - Device ID. */
+ RT_GCC_EXTENSION uint16_t u4PasidHi : 4; /**< Bits 19:16 - PASID: Process Address-Space ID (Hi). */
+ RT_GCC_EXTENSION uint16_t u16DomainOrPasidLo; /**< Bits 47:32 - D/P: Domain ID or Process Address-Space ID (Lo). */
+ RT_GCC_EXTENSION uint16_t u1GuestOrNested : 1; /**< Bit 48 - GN: Guest (GPA) or Nested (GVA). */
+ RT_GCC_EXTENSION uint16_t u1NoExecute : 1; /**< Bit 49 - NX: No Execute. */
+ RT_GCC_EXTENSION uint16_t u1User : 1; /**< Bit 50 - US: User/Supervisor. */
+ RT_GCC_EXTENSION uint16_t u1Interrupt : 1; /**< Bit 51 - I: Interrupt. */
+ RT_GCC_EXTENSION uint16_t u1Present : 1; /**< Bit 52 - PR: Present. */
+ RT_GCC_EXTENSION uint16_t u1ReadWrite : 1; /**< Bit 53 - RW: Read/Write. */
+ RT_GCC_EXTENSION uint16_t u1PermDenied : 1; /**< Bit 54 - PE: Permission Indicator. */
+ RT_GCC_EXTENSION uint16_t u1RsvdNotZero : 1; /**< Bit 55 - RZ: Reserved bit not Zero (0=invalid level encoding). */
+ RT_GCC_EXTENSION uint16_t u1Translation : 1; /**< Bit 56 - TN: Translation. */
+ RT_GCC_EXTENSION uint16_t u3Rsvd0 : 3; /**< Bit 59:57 - Reserved. */
+ RT_GCC_EXTENSION uint16_t u4EvtCode : 4; /**< Bits 63:60 - Event code. */
+ uint64_t u64Addr; /**< Bits 127:64 - Address: I/O Virtual Address (IOVA). */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t au32[4];
+ /** The 64-bit unsigned integer view. */
+ uint64_t au64[2];
+} EVT_IO_PAGE_FAULT_T;
+AssertCompileSize(EVT_IO_PAGE_FAULT_T, 16);
+/** Pointer to an I/O page fault event. */
+typedef EVT_IO_PAGE_FAULT_T *PEVT_IO_PAGE_FAULT_T;
+/** Pointer to a const I/O page fault event. */
+typedef EVT_IO_PAGE_FAULT_T const *PCEVT_IO_PAGE_FAULT_T;
+
+
+/**
+ * Event Log Entry: DEV_TAB_HARDWARE_ERROR.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint16_t u16DevId; /**< Bits 15:0 - Device ID. */
+ uint16_t u16Rsvd0; /**< Bits 31:16 - Reserved. */
+ uint32_t u19Rsvd0 : 19; /**< Bits 50:32 - Reserved. */
+ uint32_t u1Intr : 1; /**< Bit 51 - I: Interrupt (1=interrupt request, 0=memory request). */
+ uint32_t u1Rsvd0 : 1; /**< Bit 52 - Reserved. */
+ uint32_t u1ReadWrite : 1; /**< Bit 53 - RW: Read/Write transaction (only meaninful when I=0 and TR=0). */
+ uint32_t u2Rsvd0 : 2; /**< Bits 55:54 - Reserved. */
+ uint32_t u1Translation : 1; /**< Bit 56 - TR: Translation (1=translation, 0=transaction). */
+ uint32_t u2Type : 2; /**< Bits 58:57 - Type: The type of hardware error. */
+ uint32_t u1Rsvd1 : 1; /**< Bit 59 - Reserved. */
+ uint32_t u4EvtCode : 4; /**< Bits 63:60 - Event code. */
+ uint64_t u64Addr; /**< Bits 127:64 - Address. */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t au32[4];
+ /** The 64-bit unsigned integer view. */
+ uint64_t au64[2];
+} EVT_DEV_TAB_HW_ERROR_T;
+AssertCompileSize(EVT_DEV_TAB_HW_ERROR_T, 16);
+/** Pointer to a device table hardware error event. */
+typedef EVT_DEV_TAB_HW_ERROR_T *PEVT_DEV_TAB_HW_ERROR_T;
+/** Pointer to a const device table hardware error event. */
+typedef EVT_DEV_TAB_HW_ERROR_T const *PCEVT_DEV_TAB_HW_ERROR_T;
+
+/**
+ * Event Log Entry: EVT_PAGE_TAB_HARDWARE_ERROR.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint16_t u16DevId; /**< Bits 15:0 - Device ID. */
+ uint16_t u16Rsvd0; /**< Bits 31:16 - Reserved. */
+ uint32_t u16DomainOrPasidLo : 16; /**< Bits 47:32 - D/P: Domain ID or Process Address-Space ID (Lo). */
+ uint32_t u1GuestOrNested : 1; /**< Bit 48 - GN: Guest (GPA) or Nested (GVA). */
+ uint32_t u2Rsvd0 : 2; /**< Bits 50:49 - Reserved. */
+ uint32_t u1Interrupt : 1; /**< Bit 51 - I: Interrupt. */
+ uint32_t u1Rsvd0 : 1; /**< Bit 52 - Reserved. */
+ uint32_t u1ReadWrite : 1; /**< Bit 53 - RW: Read/Write. */
+ uint32_t u2Rsvd1 : 2; /**< Bit 55:54 - Reserved. */
+ uint32_t u1Translation : 1; /**< Bit 56 - TR: Translation. */
+ uint32_t u2Type : 2; /**< Bits 58:57 - Type: The type of hardware error. */
+ uint32_t u1Rsvd1 : 1; /**< Bit 59 - Reserved. */
+ uint32_t u4EvtCode : 4; /**< Bit 63:60 - Event code. */
+ /** @todo r=ramshankar: Figure 55: PAGE_TAB_HARDWARE_ERROR says Addr[31:3] but
+ * table 58 mentions Addr[31:4], we just use the full 64-bits. Looks like a
+ * typo in the figure.See AMD AMD IOMMU spec (3.05-PUB, Jan 2020). */
+ uint64_t u64Addr; /** Bits 127:64 - Address: SPA of the page table entry. */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t au32[4];
+ /** The 64-bit unsigned integer view. */
+ uint64_t au64[2];
+} EVT_PAGE_TAB_HW_ERR_T;
+AssertCompileSize(EVT_PAGE_TAB_HW_ERR_T, 16);
+/** Pointer to a page table hardware error event. */
+typedef EVT_PAGE_TAB_HW_ERR_T *PEVT_PAGE_TAB_HW_ERR_T;
+/** Pointer to a const page table hardware error event. */
+typedef EVT_PAGE_TAB_HW_ERR_T const *PCEVT_PAGE_TAB_HW_ERR_T;
+
+/**
+ * Event Log Entry: ILLEGAL_COMMAND_ERROR.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u32Rsvd0; /**< Bits 31:0 - Reserved. */
+ uint32_t u28Rsvd0 : 28; /**< Bits 47:32 - Reserved. */
+ uint32_t u4EvtCode : 4; /**< Bits 63:60 - Event code. */
+ uint64_t u64Addr; /**< Bits 127:64 - Address: SPA of the invalid command. */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t au32[4];
+ /** The 64-bit unsigned integer view. */
+ uint64_t au64[2];
+} EVT_ILLEGAL_CMD_ERR_T;
+AssertCompileSize(EVT_ILLEGAL_CMD_ERR_T, 16);
+/** Pointer to an illegal command error event. */
+typedef EVT_ILLEGAL_CMD_ERR_T *PEVT_ILLEGAL_CMD_ERR_T;
+/** Pointer to a const illegal command error event. */
+typedef EVT_ILLEGAL_CMD_ERR_T const *PCEVT_ILLEGAL_CMD_ERR_T;
+
+/**
+ * Event Log Entry: COMMAND_HARDWARE_ERROR.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u32Rsvd0; /**< Bits 31:0 - Reserved. */
+ uint32_t u25Rsvd1 : 25; /**< Bits 56:32 - Reserved. */
+ uint32_t u2Type : 2; /**< Bits 58:57 - Type: The type of hardware error. */
+ uint32_t u1Rsvd1 : 1; /**< Bit 59 - Reserved. */
+ uint32_t u4EvtCode : 4; /**< Bits 63:60 - Event code. */
+ uint64_t u64Addr; /**< Bits 128:64 - Address: SPA of the attempted access. */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t au32[4];
+ /** The 64-bit unsigned integer view. */
+ uint64_t au64[2];
+} EVT_CMD_HW_ERR_T;
+AssertCompileSize(EVT_CMD_HW_ERR_T, 16);
+/** Pointer to a command hardware error event. */
+typedef EVT_CMD_HW_ERR_T *PEVT_CMD_HW_ERR_T;
+/** Pointer to a const command hardware error event. */
+typedef EVT_CMD_HW_ERR_T const *PCEVT_CMD_HW_ERR_T;
+
+/**
+ * Event Log Entry: IOTLB_INV_TIMEOUT.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint16_t u16DevId; /**< Bits 15:0 - Device ID. */
+ uint16_t u16Rsvd0; /**< Bits 31:16 - Reserved.*/
+ uint32_t u28Rsvd0 : 28; /**< Bits 59:32 - Reserved. */
+ uint32_t u4EvtCode : 4; /**< Bits 63:60 - Event code. */
+ uint32_t u4Rsvd0 : 4; /**< Bits 67:64 - Reserved. */
+ uint32_t u28AddrLo : 28; /**< Bits 95:68 - Address: SPA of the invalidation command that timedout (Lo). */
+ uint32_t u32AddrHi; /**< Bits 127:96 - Address: SPA of the invalidation command that timedout (Hi). */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t au32[4];
+} EVT_IOTLB_INV_TIMEOUT_T;
+AssertCompileSize(EVT_IOTLB_INV_TIMEOUT_T, 16);
+
+/**
+ * Event Log Entry: INVALID_DEVICE_REQUEST.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u16DevId : 16; /***< Bits 15:0 - Device ID. */
+ uint32_t u4PasidHi : 4; /***< Bits 19:16 - PASID: Process Address-Space ID (Hi). */
+ uint32_t u12Rsvd0 : 12; /***< Bits 31:20 - Reserved. */
+ uint32_t u16PasidLo : 16; /***< Bits 47:32 - PASID: Process Address-Space ID (Lo). */
+ uint32_t u1GuestOrNested : 1; /***< Bit 48 - GN: Guest (GPA) or Nested (GVA). */
+ uint32_t u1User : 1; /***< Bit 49 - US: User/Supervisor. */
+ uint32_t u6Rsvd0 : 6; /***< Bits 55:50 - Reserved. */
+ uint32_t u1Translation: 1; /***< Bit 56 - TR: Translation. */
+ uint32_t u3Type: 3; /***< Bits 59:57 - Type: The type of hardware error. */
+ uint32_t u4EvtCode : 4; /***< Bits 63:60 - Event code. */
+ uint64_t u64Addr; /***< Bits 127:64 - Address: Translation or access address. */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t au32[4];
+} EVT_INVALID_DEV_REQ_T;
+AssertCompileSize(EVT_INVALID_DEV_REQ_T, 16);
+
+/**
+ * Event Log Entry: EVENT_COUNTER_ZERO.
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u32Rsvd0; /**< Bits 31:0 - Reserved. */
+ uint32_t u28Rsvd0 : 28; /**< Bits 59:32 - Reserved. */
+ uint32_t u4EvtCode : 4; /**< Bits 63:60 - Event code. */
+ uint32_t u20CounterNoteHi : 20; /**< Bits 83:64 - CounterNote: Counter value for the event counter register (Hi). */
+ uint32_t u12Rsvd0 : 12; /**< Bits 95:84 - Reserved. */
+ uint32_t u32CounterNoteLo; /**< Bits 127:96 - CounterNote: Counter value for the event cuonter register (Lo). */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t au32[4];
+} EVT_EVENT_COUNTER_ZERO_T;
+AssertCompileSize(EVT_EVENT_COUNTER_ZERO_T, 16);
+
+/**
+ * IOMMU Capability Header (PCI).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u8CapId : 8; /**< Bits 7:0 - CapId: Capability ID. */
+ uint32_t u8CapPtr : 8; /**< Bits 15:8 - CapPtr: Pointer (PCI config offset) to the next capability. */
+ uint32_t u3CapType : 3; /**< Bits 18:16 - CapType: Capability Type. */
+ uint32_t u5CapRev : 5; /**< Bits 23:19 - CapRev: Capability revision. */
+ uint32_t u1IoTlbSup : 1; /**< Bit 24 - IotlbSup: IOTLB Support. */
+ uint32_t u1HtTunnel : 1; /**< Bit 25 - HtTunnel: HyperTransport Tunnel translation support. */
+ uint32_t u1NpCache : 1; /**< Bit 26 - NpCache: Not Present table entries are cached. */
+ uint32_t u1EfrSup : 1; /**< Bit 27 - EFRSup: Extended Feature Register Support. */
+ uint32_t u1CapExt : 1; /**< Bit 28 - CapExt: Misc. Information Register 1 Support. */
+ uint32_t u3Rsvd0 : 3; /**< Bits 31:29 - Reserved. */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t u32;
+} IOMMU_CAP_HDR_T;
+AssertCompileSize(IOMMU_CAP_HDR_T, 4);
+
+/**
+ * IOMMU Base Address (Lo and Hi) Register (PCI).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u1Enable : 1; /**< Bit 1 - Enable: RW1S - Enable IOMMU MMIO region. */
+ uint32_t u12Rsvd0 : 12; /**< Bits 13:1 - Reserved. */
+ uint32_t u18BaseAddrLo : 18; /**< Bits 31:14 - Base address (Lo) of the MMIO region. */
+ uint32_t u32BaseAddrHi; /**< Bits 63:32 - Base address (Hi) of the MMIO region. */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t au32[2];
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} IOMMU_BAR_T;
+AssertCompileSize(IOMMU_BAR_T, 8);
+#define IOMMU_BAR_VALID_MASK UINT64_C(0xffffffffffffc001)
+
+/**
+ * IOMMU Range Register (PCI).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u5HtUnitId : 5; /**< Bits 4:0 - UnitID: IOMMU HyperTransport Unit ID (not used). */
+ uint32_t u2Rsvd0 : 2; /**< Bits 6:5 - Reserved. */
+ uint32_t u1RangeValid : 1; /**< Bit 7 - RngValid: Range Valid. */
+ uint32_t u8Bus : 8; /**< Bits 15:8 - BusNumber: Bus number of the first and last device. */
+ uint32_t u8FirstDevice : 8; /**< Bits 23:16 - FirstDevice: Device and function number of the first device. */
+ uint32_t u8LastDevice: 8; /**< Bits 31:24 - LastDevice: Device and function number of the last device. */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t u32;
+} IOMMU_RANGE_T;
+AssertCompileSize(IOMMU_RANGE_T, 4);
+
+/**
+ * Device Table Base Address Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ RT_GCC_EXTENSION uint64_t u9Size : 9; /**< Bits 8:0 - Size: Size of the device table. */
+ RT_GCC_EXTENSION uint64_t u3Rsvd0 : 3; /**< Bits 11:9 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u40Base : 40; /**< Bits 51:12 - DevTabBase: Device table base address. */
+ RT_GCC_EXTENSION uint64_t u12Rsvd0 : 12; /**< Bits 63:52 - Reserved. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} DEV_TAB_BAR_T;
+AssertCompileSize(DEV_TAB_BAR_T, 8);
+#define IOMMU_DEV_TAB_BAR_VALID_MASK UINT64_C(0x000ffffffffff1ff)
+#define IOMMU_DEV_TAB_SEG_BAR_VALID_MASK UINT64_C(0x000ffffffffff0ff)
+
+/**
+ * Command Buffer Base Address Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ RT_GCC_EXTENSION uint64_t u12Rsvd0 : 12; /**< Bits 11:0 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u40Base : 40; /**< Bits 51:12 - ComBase: Command buffer base address. */
+ RT_GCC_EXTENSION uint64_t u4Rsvd0 : 4; /**< Bits 55:52 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u4Len : 4; /**< Bits 59:56 - ComLen: Command buffer length. */
+ RT_GCC_EXTENSION uint64_t u4Rsvd1 : 4; /**< Bits 63:60 - Reserved. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} CMD_BUF_BAR_T;
+AssertCompileSize(CMD_BUF_BAR_T, 8);
+#define IOMMU_CMD_BUF_BAR_VALID_MASK UINT64_C(0x0f0ffffffffff000)
+
+/**
+ * Event Log Base Address Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ RT_GCC_EXTENSION uint64_t u12Rsvd0 : 12; /**< Bits 11:0 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u40Base : 40; /**< Bits 51:12 - EventBase: Event log base address. */
+ RT_GCC_EXTENSION uint64_t u4Rsvd0 : 4; /**< Bits 55:52 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u4Len : 4; /**< Bits 59:56 - EventLen: Event log length. */
+ RT_GCC_EXTENSION uint64_t u4Rsvd1 : 4; /**< Bits 63:60 - Reserved. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} EVT_LOG_BAR_T;
+AssertCompileSize(EVT_LOG_BAR_T, 8);
+#define IOMMU_EVT_LOG_BAR_VALID_MASK UINT64_C(0x0f0ffffffffff000)
+
+/**
+ * IOMMU Control Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u1IommuEn : 1; /**< Bit 0 - IommuEn: IOMMU Enable. */
+ uint32_t u1HtTunEn : 1; /**< Bit 1 - HtTunEn: HyperTransport Tunnel Enable. */
+ uint32_t u1EvtLogEn : 1; /**< Bit 2 - EventLogEn: Event Log Enable. */
+ uint32_t u1EvtIntrEn : 1; /**< Bit 3 - EventIntEn: Event Log Interrupt Enable. */
+ uint32_t u1CompWaitIntrEn : 1; /**< Bit 4 - ComWaitIntEn: Completion Wait Interrupt Enable. */
+ uint32_t u3InvTimeOut : 3; /**< Bits 7:5 - InvTimeOut: Invalidation Timeout. */
+ uint32_t u1PassPW : 1; /**< Bit 8 - PassPW: Pass Posted Write. */
+ uint32_t u1ResPassPW : 1; /**< Bit 9 - ResPassPW: Response Pass Posted Write. */
+ uint32_t u1Coherent : 1; /**< Bit 10 - Coherent: HT read request packet Coherent bit. */
+ uint32_t u1Isoc : 1; /**< Bit 11 - Isoc: HT read request packet Isochronous bit. */
+ uint32_t u1CmdBufEn : 1; /**< Bit 12 - CmdBufEn: Command Buffer Enable. */
+ uint32_t u1PprLogEn : 1; /**< Bit 13 - PprLogEn: Peripheral Page Request (PPR) Log Enable. */
+ uint32_t u1PprIntrEn : 1; /**< Bit 14 - PprIntrEn: Peripheral Page Request Interrupt Enable. */
+ uint32_t u1PprEn : 1; /**< Bit 15 - PprEn: Peripheral Page Request processing Enable. */
+ uint32_t u1GstTranslateEn : 1; /**< Bit 16 - GTEn: Guest Translate Enable. */
+ uint32_t u1GstVirtApicEn : 1; /**< Bit 17 - GAEn: Guest Virtual-APIC Enable. */
+ uint32_t u4Crw : 1; /**< Bits 21:18 - CRW: Intended for future use (not documented). */
+ uint32_t u1SmiFilterEn : 1; /**< Bit 22 - SmiFEn: SMI Filter Enable. */
+ uint32_t u1SelfWriteBackDis : 1; /**< Bit 23 - SlfWBDis: Self Write-Back Disable. */
+ uint32_t u1SmiFilterLogEn : 1; /**< Bit 24 - SmiFLogEn: SMI Filter Log Enable. */
+ uint32_t u3GstVirtApicModeEn : 3; /**< Bits 27:25 - GAMEn: Guest Virtual-APIC Mode Enable. */
+ uint32_t u1GstLogEn : 1; /**< Bit 28 - GALogEn: Guest Virtual-APIC GA Log Enable. */
+ uint32_t u1GstIntrEn : 1; /**< Bit 29 - GAIntEn: Guest Virtual-APIC Interrupt Enable. */
+ uint32_t u2DualPprLogEn : 2; /**< Bits 31:30 - DualPprLogEn: Dual Peripheral Page Request Log Enable. */
+ uint32_t u2DualEvtLogEn : 2; /**< Bits 33:32 - DualEventLogEn: Dual Event Log Enable. */
+ uint32_t u3DevTabSegEn : 3; /**< Bits 36:34 - DevTblSegEn: Device Table Segment Enable. */
+ uint32_t u2PrivAbortEn : 2; /**< Bits 38:37 - PrivAbrtEn: Privilege Abort Enable. */
+ uint32_t u1PprAutoRespEn : 1; /**< Bit 39 - PprAutoRspEn: Peripheral Page Request Auto Response Enable. */
+ uint32_t u1MarcEn : 1; /**< Bit 40 - MarcEn: Memory Address Routing and Control Enable. */
+ uint32_t u1BlockStopMarkEn : 1; /**< Bit 41 - BlkStopMarkEn: Block StopMark messages Enable. */
+ uint32_t u1PprAutoRespAlwaysOnEn : 1; /**< Bit 42 - PprAutoRspAon:: PPR Auto Response - Always On Enable. */
+ uint32_t u1DomainIDPNE : 1; /**< Bit 43 - DomainIDPE: Reserved (not documented). */
+ uint32_t u1Rsvd0 : 1; /**< Bit 44 - Reserved. */
+ uint32_t u1EnhancedPpr : 1; /**< Bit 45 - EPHEn: Enhanced Peripheral Page Request Handling Enable. */
+ uint32_t u2HstAccDirtyBitUpdate : 2; /**< Bits 47:46 - HADUpdate: Access and Dirty Bit updated in host page table. */
+ uint32_t u1GstDirtyUpdateDis : 1; /**< Bit 48 - GDUpdateDis: Disable hardare update of Dirty bit in GPT. */
+ uint32_t u1Rsvd1 : 1; /**< Bit 49 - Reserved. */
+ uint32_t u1X2ApicEn : 1; /**< Bit 50 - XTEn: Enable X2APIC. */
+ uint32_t u1X2ApicIntrGenEn : 1; /**< Bit 51 - IntCapXTEn: Enable IOMMU X2APIC Interrupt generation. */
+ uint32_t u2Rsvd0 : 2; /**< Bits 53:52 - Reserved. */
+ uint32_t u1GstAccessUpdateDis : 1; /**< Bit 54 - GAUpdateDis: Disable hardare update of Access bit in GPT. */
+ uint32_t u8Rsvd0 : 8; /**< Bits 63:55 - Reserved. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} IOMMU_CTRL_T;
+AssertCompileSize(IOMMU_CTRL_T, 8);
+#define IOMMU_CTRL_VALID_MASK UINT64_C(0x004defffffffffff)
+#define IOMMU_CTRL_CMD_BUF_EN_MASK UINT64_C(0x0000000000001001)
+
+/**
+ * IOMMU Exclusion Base Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ RT_GCC_EXTENSION uint64_t u1ExclEnable : 1; /**< Bit 0 - ExEn: Exclusion Range Enable. */
+ RT_GCC_EXTENSION uint64_t u1AllowAll : 1; /**< Bit 1 - Allow: Allow All Devices. */
+ RT_GCC_EXTENSION uint64_t u10Rsvd0 : 10; /**< Bits 11:2 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u40ExclRangeBase : 40; /**< Bits 51:12 - Exclusion Range Base Address. */
+ RT_GCC_EXTENSION uint64_t u12Rsvd0 : 12; /**< Bits 63:52 - Reserved. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} IOMMU_EXCL_RANGE_BAR_T;
+AssertCompileSize(IOMMU_EXCL_RANGE_BAR_T, 8);
+#define IOMMU_EXCL_RANGE_BAR_VALID_MASK UINT64_C(0x000ffffffffff003)
+
+/**
+ * IOMMU Exclusion Range Limit Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ RT_GCC_EXTENSION uint64_t u12Rsvd0 : 12; /**< Bits 63:52 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u40ExclRangeLimit : 40; /**< Bits 51:12 - Exclusion Range Limit Address. */
+ RT_GCC_EXTENSION uint64_t u12Rsvd1 : 12; /**< Bits 63:52 - Reserved (treated as 1s). */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} IOMMU_EXCL_RANGE_LIMIT_T;
+AssertCompileSize(IOMMU_EXCL_RANGE_LIMIT_T, 8);
+#define IOMMU_EXCL_RANGE_LIMIT_VALID_MASK UINT64_C(0x000fffffffffffff)
+
+/**
+ * IOMMU Extended Feature Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u1PrefetchSup : 1; /**< Bit 0 - PreFSup: Prefetch Support. */
+ uint32_t u1PprSup : 1; /**< Bit 1 - PPRSup: Peripheral Page Request Support. */
+ uint32_t u1X2ApicSup : 1; /**< Bit 2 - XTSup: x2Apic Support. */
+ uint32_t u1NoExecuteSup : 1; /**< Bit 3 - NXSup: No-Execute and Privilege Level Support. */
+ uint32_t u1GstTranslateSup : 1; /**< Bit 4 - GTSup: Guest Translations (for GVAs) Support. */
+ uint32_t u1Rsvd0 : 1; /**< Bit 5 - Reserved. */
+ uint32_t u1InvAllSup : 1; /**< Bit 6 - IASup: Invalidate-All Support. */
+ uint32_t u1GstVirtApicSup : 1; /**< Bit 7 - GASup: Guest Virtual-APIC Support. */
+ uint32_t u1HwErrorSup : 1; /**< Bit 8 - HESup: Hardware Error registers Support. */
+ uint32_t u1PerfCounterSup : 1; /**< Bit 9 - PCSup: Performance Counter Support. */
+ uint32_t u2HostAddrTranslateSize : 2; /**< Bits 11:10 - HATS: Host Address Translation Size. */
+ uint32_t u2GstAddrTranslateSize : 2; /**< Bits 13:12 - GATS: Guest Address Translation Size. */
+ uint32_t u2GstCr3RootTblLevel : 2; /**< Bits 15:14 - GLXSup: Guest CR3 Root Table Level (Max) Size Support. */
+ uint32_t u2SmiFilterSup : 2; /**< Bits 17:16 - SmiFSup: SMI Filter Register Support. */
+ uint32_t u3SmiFilterCount : 3; /**< Bits 20:18 - SmiFRC: SMI Filter Register Count. */
+ uint32_t u3GstVirtApicModeSup : 3; /**< Bits 23:21 - GAMSup: Guest Virtual-APIC Modes Supported. */
+ uint32_t u2DualPprLogSup : 2; /**< Bits 25:24 - DualPprLogSup: Dual Peripheral Page Request Log Support. */
+ uint32_t u2Rsvd0 : 2; /**< Bits 27:26 - Reserved. */
+ uint32_t u2DualEvtLogSup : 2; /**< Bits 29:28 - DualEventLogSup: Dual Event Log Support. */
+ uint32_t u2Rsvd1 : 2; /**< Bits 31:30 - Reserved. */
+ uint32_t u5MaxPasidSup : 5; /**< Bits 36:32 - PASMax: Maximum PASID Supported. */
+ uint32_t u1UserSupervisorSup : 1; /**< Bit 37 - USSup: User/Supervisor Page Protection Support. */
+ uint32_t u2DevTabSegSup : 2; /**< Bits 39:38 - DevTlbSegSup: Segmented Device Table Support. */
+ uint32_t u1PprLogOverflowWarn : 1; /**< Bit 40 - PprOvrflwEarlySup: PPR Log Overflow Early Warning Support. */
+ uint32_t u1PprAutoRespSup : 1; /**< Bit 41 - PprAutoRspSup: PPR Automatic Response Support. */
+ uint32_t u2MarcSup : 2; /**< Bit 43:42 - MarcSup: Memory Access Routing and Control Support. */
+ uint32_t u1BlockStopMarkSup : 1; /**< Bit 44 - BlkStopMarkSup: Block StopMark messages Support. */
+ uint32_t u1PerfOptSup : 1; /**< Bit 45 - PerfOptSup: IOMMU Performance Optimization Support. */
+ uint32_t u1MsiCapMmioSup : 1; /**< Bit 46 - MsiCapMmioSup: MSI Capability Register MMIO Access Support. */
+ uint32_t u1Rsvd1 : 1; /**< Bit 47 - Reserved. */
+ uint32_t u1GstIoSup : 1; /**< Bit 48 - GIoSup: Guest I/O Protection Support. */
+ uint32_t u1HostAccessSup : 1; /**< Bit 49 - HASup: Host Access Support. */
+ uint32_t u1EnhancedPprSup : 1; /**< Bit 50 - EPHSup: Enhanced Peripheral Page Request Handling Support. */
+ uint32_t u1AttrForwardSup : 1; /**< Bit 51 - AttrFWSup: Attribute Forward Support. */
+ uint32_t u1HostDirtySup : 1; /**< Bit 52 - HDSup: Host Dirty Support. */
+ uint32_t u1Rsvd2 : 1; /**< Bit 53 - Reserved. */
+ uint32_t u1InvIoTlbTypeSup : 1; /**< Bit 54 - InvIotlbTypeSup: Invalidate IOTLB Type Support. */
+ uint32_t u6Rsvd0 : 6; /**< Bit 60:55 - Reserved. */
+ uint32_t u1GstUpdateDisSup : 1; /**< Bit 61 - GAUpdateDisSup: Disable hardware update on GPT Support. */
+ uint32_t u1ForcePhysDstSup : 1; /**< Bit 62 - ForcePhyDestSup: Force Phys. Dst. Mode for Remapped Intr. */
+ uint32_t u1Rsvd3 : 1; /**< Bit 63 - Reserved. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} IOMMU_EXT_FEAT_T;
+AssertCompileSize(IOMMU_EXT_FEAT_T, 8);
+
+/**
+ * Peripheral Page Request Log Base Address Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ RT_GCC_EXTENSION uint64_t u12Rsvd0 : 12; /**< Bit 11:0 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u40Base : 40; /**< Bits 51:12 - PPRLogBase: Peripheral Page Request Log Base Address. */
+ RT_GCC_EXTENSION uint64_t u4Rsvd0 : 4; /**< Bits 55:52 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u4Len : 4; /**< Bits 59:56 - PPRLogLen: Peripheral Page Request Log Length. */
+ RT_GCC_EXTENSION uint64_t u4Rsvd1 : 4; /**< Bits 63:60 - Reserved. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} PPR_LOG_BAR_T;
+AssertCompileSize(PPR_LOG_BAR_T, 8);
+#define IOMMU_PPR_LOG_BAR_VALID_MASK UINT64_C(0x0f0ffffffffff000)
+
+/**
+ * IOMMU Hardware Event Upper Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ RT_GCC_EXTENSION uint64_t u60FirstOperand : 60; /**< Bits 59:0 - First event code dependent operand. */
+ RT_GCC_EXTENSION uint64_t u4EvtCode : 4; /**< Bits 63:60 - Event Code. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} IOMMU_HW_EVT_HI_T;
+AssertCompileSize(IOMMU_HW_EVT_HI_T, 8);
+
+/**
+ * IOMMU Hardware Event Lower Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef uint64_t IOMMU_HW_EVT_LO_T;
+
+/**
+ * IOMMU Hardware Event Status (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u1Valid : 1; /**< Bit 0 - HEV: Hardware Event Valid. */
+ uint32_t u1Overflow : 1; /**< Bit 1 - HEO: Hardware Event Overflow. */
+ uint32_t u30Rsvd0 : 30; /**< Bits 31:2 - Reserved. */
+ uint32_t u32Rsvd0; /**< Bits 63:32 - Reserved. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} IOMMU_HW_EVT_STATUS_T;
+AssertCompileSize(IOMMU_HW_EVT_STATUS_T, 8);
+#define IOMMU_HW_EVT_STATUS_VALID_MASK UINT64_C(0x0000000000000003)
+
+/**
+ * Guest Virtual-APIC Log Base Address Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ RT_GCC_EXTENSION uint64_t u12Rsvd0 : 12; /**< Bit 11:0 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u40Base : 40; /**< Bits 51:12 - GALogBase: Guest Virtual-APIC Log Base Address. */
+ RT_GCC_EXTENSION uint64_t u4Rsvd0 : 4; /**< Bits 55:52 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u4Len : 4; /**< Bits 59:56 - GALogLen: Guest Virtual-APIC Log Length. */
+ RT_GCC_EXTENSION uint64_t u4Rsvd1 : 4; /**< Bits 63:60 - Reserved. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} GALOG_BAR_T;
+AssertCompileSize(GALOG_BAR_T, 8);
+
+/**
+ * Guest Virtual-APIC Log Tail Address Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ RT_GCC_EXTENSION uint64_t u3Rsvd0 : 3; /**< Bits 2:0 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u40GALogTailAddr : 48; /**< Bits 51:3 - GATAddr: Guest Virtual-APIC Tail Log Address. */
+ RT_GCC_EXTENSION uint64_t u11Rsvd1 : 11; /**< Bits 63:52 - Reserved. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} GALOG_TAIL_ADDR_T;
+AssertCompileSize(GALOG_TAIL_ADDR_T, 8);
+
+/**
+ * PPR Log B Base Address Register (MMIO).
+ * In accordance with the AMD spec.
+ * Currently identical to PPR_LOG_BAR_T.
+ */
+typedef PPR_LOG_BAR_T PPR_LOG_B_BAR_T;
+
+/**
+ * Event Log B Base Address Register (MMIO).
+ * In accordance with the AMD spec.
+ * Currently identical to EVT_LOG_BAR_T.
+ */
+typedef EVT_LOG_BAR_T EVT_LOG_B_BAR_T;
+
+/**
+ * Device-specific Feature Extension (DSFX) Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u24DevSpecFeat : 24; /**< Bits 23:0 - DevSpecificFeatSupp: Implementation specific features. */
+ uint32_t u4RevMinor : 4; /**< Bits 27:24 - RevMinor: Minor revision identifier. */
+ uint32_t u4RevMajor : 4; /**< Bits 31:28 - RevMajor: Major revision identifier. */
+ uint32_t u32Rsvd0; /**< Bits 63:32 - Reserved.*/
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} DEV_SPECIFIC_FEAT_T;
+AssertCompileSize(DEV_SPECIFIC_FEAT_T, 8);
+
+/**
+ * Device-specific Control Extension (DSCX) Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u24DevSpecCtrl : 24; /**< Bits 23:0 - DevSpecificFeatCntrl: Implementation specific control. */
+ uint32_t u4RevMinor : 4; /**< Bits 27:24 - RevMinor: Minor revision identifier. */
+ uint32_t u4RevMajor : 4; /**< Bits 31:28 - RevMajor: Major revision identifier. */
+ uint32_t u32Rsvd0; /**< Bits 63:32 - Reserved.*/
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} DEV_SPECIFIC_CTRL_T;
+AssertCompileSize(DEV_SPECIFIC_CTRL_T, 8);
+
+/**
+ * Device-specific Status Extension (DSSX) Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u24DevSpecStatus : 24; /**< Bits 23:0 - DevSpecificFeatStatus: Implementation specific status. */
+ uint32_t u4RevMinor : 4; /**< Bits 27:24 - RevMinor: Minor revision identifier. */
+ uint32_t u4RevMajor : 4; /**< Bits 31:28 - RevMajor: Major revision identifier. */
+ uint32_t u32Rsvd0; /**< Bits 63:32 - Reserved.*/
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} DEV_SPECIFIC_STATUS_T;
+AssertCompileSize(DEV_SPECIFIC_STATUS_T, 8);
+
+/**
+ * MSI Information Register 0 and 1 (PCI) / MSI Vector Register 0 and 1 (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u5MsiNumEvtLog : 5; /**< Bits 4:0 - MsiNum: Event Log MSI message number. */
+ uint32_t u3GstVirtAddrSize: 3; /**< Bits 7:5 - GVAsize: Guest Virtual Address Size. */
+ uint32_t u7PhysAddrSize : 7; /**< Bits 14:8 - PAsize: Physical Address Size. */
+ uint32_t u7VirtAddrSize : 7; /**< Bits 21:15 - VAsize: Virtual Address Size. */
+ uint32_t u1HtAtsResv: 1; /**< Bit 22 - HtAtsResv: HyperTransport ATS Response Address range Reserved. */
+ uint32_t u4Rsvd0 : 4; /**< Bits 26:23 - Reserved. */
+ uint32_t u5MsiNumPpr : 5; /**< Bits 31:27 - MsiNumPPR: Peripheral Page Request MSI message number. */
+ uint32_t u5MsiNumGa : 5; /**< Bits 36:32 - MsiNumGa: MSI message number for guest virtual-APIC log. */
+ uint32_t u27Rsvd0: 27; /**< Bits 63:37 - Reserved. */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t au32[2];
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} MSI_MISC_INFO_T;
+AssertCompileSize(MSI_MISC_INFO_T, 8);
+/** MSI Vector Register 0 and 1 (MMIO). */
+typedef MSI_MISC_INFO_T MSI_VECTOR_T;
+/** Mask of valid bits in MSI Vector Register 1 (or high dword of MSI Misc.
+ * info). */
+#define IOMMU_MSI_VECTOR_1_VALID_MASK UINT32_C(0x1f)
+
+/**
+ * MSI Capability Header Register (PCI + MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u8MsiCapId : 8; /**< Bits 7:0 - MsiCapId: Capability ID. */
+ uint32_t u8MsiCapPtr : 8; /**< Bits 15:8 - MsiCapPtr: Pointer (PCI config offset) to the next capability. */
+ uint32_t u1MsiEnable : 1; /**< Bit 16 - MsiEn: Message Signal Interrupt Enable. */
+ uint32_t u3MsiMultiMessCap : 3; /**< Bits 19:17 - MsiMultMessCap: MSI Multi-Message Capability. */
+ uint32_t u3MsiMultiMessEn : 3; /**< Bits 22:20 - MsiMultMessEn: MSI Multi-Message Enable. */
+ uint32_t u1Msi64BitEn : 1; /**< Bit 23 - Msi64BitEn: MSI 64-bit Enable. */
+ uint32_t u8Rsvd0 : 8; /**< Bits 31:24 - Reserved. */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t u32;
+} MSI_CAP_HDR_T;
+AssertCompileSize(MSI_CAP_HDR_T, 4);
+#define IOMMU_MSI_CAP_HDR_MSI_EN_MASK RT_BIT(16)
+
+/**
+ * MSI Mapping Capability Header Register (PCI + MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u8MsiMapCapId : 8; /**< Bits 7:0 - MsiMapCapId: MSI Map capability ID. */
+ uint32_t u8Rsvd0 : 8; /**< Bits 15:8 - Reserved. */
+ uint32_t u1MsiMapEn : 1; /**< Bit 16 - MsiMapEn: MSI Map enable. */
+ uint32_t u1MsiMapFixed : 1; /**< Bit 17 - MsiMapFixd: MSI Map fixed. */
+ uint32_t u9Rsvd0 : 9; /**< Bits 26:18 - Reserved. */
+ uint32_t u5MapCapType : 5; /**< Bits 31:27 - MsiMapCapType: MSI Mapping capability type. */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t u32;
+} MSI_MAP_CAP_HDR_T;
+AssertCompileSize(MSI_MAP_CAP_HDR_T, 4);
+
+/**
+ * Performance Optimization Control Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u13Rsvd0 : 13; /**< Bits 12:0 - Reserved. */
+ uint32_t u1PerfOptEn : 1; /**< Bit 13 - PerfOptEn: Performance Optimization Enable. */
+ uint32_t u17Rsvd0 : 18; /**< Bits 31:14 - Reserved. */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t u32;
+} IOMMU_PERF_OPT_CTRL_T;
+AssertCompileSize(IOMMU_PERF_OPT_CTRL_T, 4);
+
+/**
+ * XT (x2APIC) IOMMU General Interrupt Control Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u2Rsvd0 : 2; /**< Bits 1:0 - Reserved.*/
+ uint32_t u1X2ApicIntrDstMode : 1; /**< Bit 2 - Destination Mode for general interrupt.*/
+ uint32_t u4Rsvd0 : 4; /**< Bits 7:3 - Reserved.*/
+ uint32_t u24X2ApicIntrDstLo : 24; /**< Bits 31:8 - Destination for general interrupt (Lo).*/
+ uint32_t u8X2ApicIntrVector : 8; /**< Bits 39:32 - Vector for general interrupt.*/
+ uint32_t u1X2ApicIntrDeliveryMode : 1; /**< Bit 40 - Delivery Mode for general interrupt.*/
+ uint32_t u15Rsvd0 : 15; /**< Bits 55:41 - Reserved.*/
+ uint32_t u7X2ApicIntrDstHi : 7; /**< Bits 63:56 - Destination for general interrupt (Hi) .*/
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} IOMMU_XT_GEN_INTR_CTRL_T;
+AssertCompileSize(IOMMU_XT_GEN_INTR_CTRL_T, 8);
+
+/**
+ * XT (x2APIC) IOMMU General Interrupt Control Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u2Rsvd0 : 2; /**< Bits 1:0 - Reserved.*/
+ uint32_t u1X2ApicIntrDstMode : 1; /**< Bit 2 - Destination Mode for the interrupt.*/
+ uint32_t u4Rsvd0 : 4; /**< Bits 7:3 - Reserved.*/
+ uint32_t u24X2ApicIntrDstLo : 24; /**< Bits 31:8 - Destination for the interrupt (Lo).*/
+ uint32_t u8X2ApicIntrVector : 8; /**< Bits 39:32 - Vector for the interrupt.*/
+ uint32_t u1X2ApicIntrDeliveryMode : 1; /**< Bit 40 - Delivery Mode for the interrupt.*/
+ uint32_t u15Rsvd0 : 15; /**< Bits 55:41 - Reserved.*/
+ uint32_t u7X2ApicIntrDstHi : 7; /**< Bits 63:56 - Destination for the interrupt (Hi) .*/
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} IOMMU_XT_INTR_CTRL_T;
+AssertCompileSize(IOMMU_XT_INTR_CTRL_T, 8);
+
+/**
+ * XT (x2APIC) IOMMU PPR Interrupt Control Register (MMIO).
+ * In accordance with the AMD spec.
+ * Currently identical to IOMMU_XT_INTR_CTRL_T.
+ */
+typedef IOMMU_XT_INTR_CTRL_T IOMMU_XT_PPR_INTR_CTRL_T;
+
+/**
+ * XT (x2APIC) IOMMU GA (Guest Address) Log Control Register (MMIO).
+ * In accordance with the AMD spec.
+ * Currently identical to IOMMU_XT_INTR_CTRL_T.
+ */
+typedef IOMMU_XT_INTR_CTRL_T IOMMU_XT_GALOG_INTR_CTRL_T;
+
+/**
+ * Memory Access and Routing Control (MARC) Aperture Base Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ RT_GCC_EXTENSION uint64_t u12Rsvd0 : 12; /**< Bits 11:0 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u40MarcBaseAddr : 40; /**< Bits 51:12 - MarcBaseAddr: MARC Aperture Base Address. */
+ RT_GCC_EXTENSION uint64_t u12Rsvd1 : 12; /**< Bits 63:52 - Reserved. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} MARC_APER_BAR_T;
+AssertCompileSize(MARC_APER_BAR_T, 8);
+
+/**
+ * Memory Access and Routing Control (MARC) Relocation Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ RT_GCC_EXTENSION uint64_t u1RelocEn : 1; /**< Bit 0 - RelocEn: Relocation Enabled. */
+ RT_GCC_EXTENSION uint64_t u1ReadOnly : 1; /**< Bit 1 - ReadOnly: Whether only read-only acceses allowed. */
+ RT_GCC_EXTENSION uint64_t u10Rsvd0 : 10; /**< Bits 11:2 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u40MarcRelocAddr : 40; /**< Bits 51:12 - MarcRelocAddr: MARC Aperture Relocation Address. */
+ RT_GCC_EXTENSION uint64_t u12Rsvd1 : 12; /**< Bits 63:52 - Reserved. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} MARC_APER_RELOC_T;
+AssertCompileSize(MARC_APER_RELOC_T, 8);
+
+/**
+ * Memory Access and Routing Control (MARC) Length Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ RT_GCC_EXTENSION uint64_t u12Rsvd0 : 12; /**< Bits 11:0 - Reserved. */
+ RT_GCC_EXTENSION uint64_t u40MarcLength : 40; /**< Bits 51:12 - MarcLength: MARC Aperture Length. */
+ RT_GCC_EXTENSION uint64_t u12Rsvd1 : 12; /**< Bits 63:52 - Reserved. */
+ } n;
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} MARC_APER_LEN_T;
+
+/**
+ * Memory Access and Routing Control (MARC) Aperture Register.
+ * This combines other registers to match the MMIO layout for convenient access.
+ */
+typedef struct
+{
+ MARC_APER_BAR_T Base;
+ MARC_APER_RELOC_T Reloc;
+ MARC_APER_LEN_T Length;
+} MARC_APER_T;
+AssertCompileSize(MARC_APER_T, 24);
+
+/**
+ * IOMMU Reserved Register (MMIO).
+ * In accordance with the AMD spec.
+ * This register is reserved for hardware use (although RW?).
+ */
+typedef uint64_t IOMMU_RSVD_REG_T;
+
+/**
+ * Command Buffer Head Pointer Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t off; /**< Bits 31:0 - Buffer pointer (offset; 16 byte aligned, 512 KB max). */
+ uint32_t u32Rsvd0; /**< Bits 63:32 - Reserved. */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t au32[2];
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} CMD_BUF_HEAD_PTR_T;
+AssertCompileSize(CMD_BUF_HEAD_PTR_T, 8);
+#define IOMMU_CMD_BUF_HEAD_PTR_VALID_MASK UINT64_C(0x000000000007fff0)
+
+/**
+ * Command Buffer Tail Pointer Register (MMIO).
+ * In accordance with the AMD spec.
+ * Currently identical to CMD_BUF_HEAD_PTR_T.
+ */
+typedef CMD_BUF_HEAD_PTR_T CMD_BUF_TAIL_PTR_T;
+#define IOMMU_CMD_BUF_TAIL_PTR_VALID_MASK IOMMU_CMD_BUF_HEAD_PTR_VALID_MASK
+
+/**
+ * Event Log Head Pointer Register (MMIO).
+ * In accordance with the AMD spec.
+ * Currently identical to CMD_BUF_HEAD_PTR_T.
+ */
+typedef CMD_BUF_HEAD_PTR_T EVT_LOG_HEAD_PTR_T;
+#define IOMMU_EVT_LOG_HEAD_PTR_VALID_MASK IOMMU_CMD_BUF_HEAD_PTR_VALID_MASK
+
+/**
+ * Event Log Tail Pointer Register (MMIO).
+ * In accordance with the AMD spec.
+ * Currently identical to CMD_BUF_HEAD_PTR_T.
+ */
+typedef CMD_BUF_HEAD_PTR_T EVT_LOG_TAIL_PTR_T;
+#define IOMMU_EVT_LOG_TAIL_PTR_VALID_MASK IOMMU_CMD_BUF_HEAD_PTR_VALID_MASK
+
+
+/**
+ * IOMMU Status Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u1EvtOverflow : 1; /**< Bit 0 - EventOverflow: Event log overflow. */
+ uint32_t u1EvtLogIntr : 1; /**< Bit 1 - EventLogInt: Event log interrupt. */
+ uint32_t u1CompWaitIntr : 1; /**< Bit 2 - ComWaitInt: Completion wait interrupt . */
+ uint32_t u1EvtLogRunning : 1; /**< Bit 3 - EventLogRun: Event logging is running. */
+ uint32_t u1CmdBufRunning : 1; /**< Bit 4 - CmdBufRun: Command buffer is running. */
+ uint32_t u1PprOverflow : 1; /**< Bit 5 - PprOverflow: Peripheral Page Request Log (PPR) overflow. */
+ uint32_t u1PprIntr : 1; /**< Bit 6 - PprInt: PPR interrupt. */
+ uint32_t u1PprLogRunning : 1; /**< Bit 7 - PprLogRun: PPR logging is running. */
+ uint32_t u1GstLogRunning : 1; /**< Bit 8 - GALogRun: Guest virtual-APIC logging is running. */
+ uint32_t u1GstLogOverflow : 1; /**< Bit 9 - GALOverflow: Guest virtual-APIC log overflow. */
+ uint32_t u1GstLogIntr : 1; /**< Bit 10 - GAInt: Guest virtual-APIC log interrupt. */
+ uint32_t u1PprOverflowB : 1; /**< Bit 11 - PprOverflowB: PPR log B overflow. */
+ uint32_t u1PprLogActive : 1; /**< Bit 12 - PprLogActive: PPR log A is active. */
+ uint32_t u2Rsvd0 : 2; /**< Bits 14:13 - Reserved. */
+ uint32_t u1EvtOverflowB : 1; /**< Bit 15 - EvtOverflowB: Event log B overflow. */
+ uint32_t u1EvtLogActive : 1; /**< Bit 16 - EvtLogActive: Event log A active. */
+ uint32_t u1PprOverflowEarlyB : 1; /**< Bit 17 - PprOverflowEarlyB: PPR log B overflow early warning. */
+ uint32_t u1PprOverflowEarly : 1; /**< Bit 18 - PprOverflowEarly: PPR log overflow early warning. */
+ uint32_t u13Rsvd0 : 13; /**< Bits 31:19 - Reserved. */
+ uint32_t u32Rsvd0; /**< Bits 63:32 - Reserved . */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t au32[2];
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} IOMMU_STATUS_T;
+AssertCompileSize(IOMMU_STATUS_T, 8);
+#define IOMMU_STATUS_VALID_MASK UINT64_C(0x0000000000079fff)
+#define IOMMU_STATUS_RW1C_MASK UINT64_C(0x0000000000068e67)
+
+/**
+ * PPR Log Head Pointer Register (MMIO).
+ * In accordance with the AMD spec.
+ * Currently identical to CMD_BUF_HEAD_PTR_T.
+ */
+typedef CMD_BUF_HEAD_PTR_T PPR_LOG_HEAD_PTR_T;
+
+/**
+ * PPR Log Tail Pointer Register (MMIO).
+ * In accordance with the AMD spec.
+ * Currently identical to CMD_BUF_HEAD_PTR_T.
+ */
+typedef CMD_BUF_HEAD_PTR_T PPR_LOG_TAIL_PTR_T;
+
+/**
+ * Guest Virtual-APIC Log Head Pointer Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u2Rsvd0 : 2; /**< Bits 2:0 - Reserved. */
+ uint32_t u12GALogPtr : 12; /**< Bits 15:3 - Guest Virtual-APIC Log Head or Tail Pointer. */
+ uint32_t u16Rsvd0 : 16; /**< Bits 31:16 - Reserved. */
+ uint32_t u32Rsvd0; /**< Bits 63:32 - Reserved. */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t au32[2];
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} GALOG_HEAD_PTR_T;
+AssertCompileSize(GALOG_HEAD_PTR_T, 8);
+
+/**
+ * Guest Virtual-APIC Log Tail Pointer Register (MMIO).
+ * In accordance with the AMD spec.
+ * Currently identical to GALOG_HEAD_PTR_T.
+ */
+typedef GALOG_HEAD_PTR_T GALOG_TAIL_PTR_T;
+
+/**
+ * PPR Log B Head Pointer Register (MMIO).
+ * In accordance with the AMD spec.
+ * Currently identical to CMD_BUF_HEAD_PTR_T.
+ */
+typedef CMD_BUF_HEAD_PTR_T PPR_LOG_B_HEAD_PTR_T;
+
+/**
+ * PPR Log B Tail Pointer Register (MMIO).
+ * In accordance with the AMD spec.
+ * Currently identical to CMD_BUF_HEAD_PTR_T.
+ */
+typedef CMD_BUF_HEAD_PTR_T PPR_LOG_B_TAIL_PTR_T;
+
+/**
+ * Event Log B Head Pointer Register (MMIO).
+ * In accordance with the AMD spec.
+ * Currently identical to CMD_BUF_HEAD_PTR_T.
+ */
+typedef CMD_BUF_HEAD_PTR_T EVT_LOG_B_HEAD_PTR_T;
+
+/**
+ * Event Log B Tail Pointer Register (MMIO).
+ * In accordance with the AMD spec.
+ * Currently identical to CMD_BUF_HEAD_PTR_T.
+ */
+typedef CMD_BUF_HEAD_PTR_T EVT_LOG_B_TAIL_PTR_T;
+
+/**
+ * PPR Log Auto Response Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u4AutoRespCode : 4; /**< Bits 3:0 - PprAutoRespCode: PPR log Auto Response Code. */
+ uint32_t u1AutoRespMaskGen : 1; /**< Bit 4 - PprAutoRespMaskGn: PPR log Auto Response Mask Gen. */
+ uint32_t u27Rsvd0 : 27; /**< Bits 31:5 - Reserved. */
+ uint32_t u32Rsvd0; /**< Bits 63:32 - Reserved.*/
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t au32[2];
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} PPR_LOG_AUTO_RESP_T;
+AssertCompileSize(PPR_LOG_AUTO_RESP_T, 8);
+
+/**
+ * PPR Log Overflow Early Indicator Register (MMIO).
+ * In accordance with the AMD spec.
+ */
+typedef union
+{
+ struct
+ {
+ uint32_t u15Threshold : 15; /**< Bits 14:0 - PprOvrflwEarlyThreshold: Overflow early indicator threshold. */
+ uint32_t u15Rsvd0 : 15; /**< Bits 29:15 - Reserved. */
+ uint32_t u1IntrEn : 1; /**< Bit 30 - PprOvrflwEarlyIntEn: Overflow early indicator interrupt enable. */
+ uint32_t u1Enable : 1; /**< Bit 31 - PprOvrflwEarlyEn: Overflow early indicator enable. */
+ uint32_t u32Rsvd0; /**< Bits 63:32 - Reserved. */
+ } n;
+ /** The 32-bit unsigned integer view. */
+ uint32_t au32[2];
+ /** The 64-bit unsigned integer view. */
+ uint64_t u64;
+} PPR_LOG_OVERFLOW_EARLY_T;
+AssertCompileSize(PPR_LOG_OVERFLOW_EARLY_T, 8);
+
+/**
+ * PPR Log B Overflow Early Indicator Register (MMIO).
+ * In accordance with the AMD spec.
+ * Currently identical to PPR_LOG_OVERFLOW_EARLY_T.
+ */
+typedef PPR_LOG_OVERFLOW_EARLY_T PPR_LOG_B_OVERFLOW_EARLY_T;
+
+/**
+ * ILLEGAL_DEV_TABLE_ENTRY Event Types.
+ * In accordance with the AMD spec.
+ */
+typedef enum EVT_ILLEGAL_DTE_TYPE_T
+{
+ kIllegalDteType_RsvdNotZero = 0,
+ kIllegalDteType_RsvdIntTabLen,
+ kIllegalDteType_RsvdIoCtl,
+ kIllegalDteType_RsvdIntCtl
+} EVT_ILLEGAL_DTE_TYPE_T;
+
+/**
+ * ILLEGAL_DEV_TABLE_ENTRY Event Types.
+ * In accordance with the AMD spec.
+ */
+typedef enum EVT_IO_PAGE_FAULT_TYPE_T
+{
+ /* Memory transaction. */
+ kIoPageFaultType_DteRsvdPagingMode = 0,
+ kIoPageFaultType_PteInvalidPageSize,
+ kIoPageFaultType_PteInvalidLvlEncoding,
+ kIoPageFaultType_SkippedLevelIovaNotZero,
+ kIoPageFaultType_PteRsvdNotZero,
+ kIoPageFaultType_PteValidNotSet,
+ kIoPageFaultType_DteTranslationDisabled,
+ kIoPageFaultType_PasidInvalidRange,
+ kIoPageFaultType_PermDenied,
+ kIoPageFaultType_UserSupervisor,
+ /* Interrupt remapping */
+ kIoPageFaultType_IrteAddrInvalid,
+ kIoPageFaultType_IrteRsvdNotZero,
+ kIoPageFaultType_IrteRemapEn,
+ kIoPageFaultType_IrteRsvdIntType,
+ kIoPageFaultType_IntrReqAborted,
+ kIoPageFaultType_IntrWithPasid,
+ kIoPageFaultType_SmiFilterMismatch,
+ /* Memory transaction or interrupt remapping. */
+ kIoPageFaultType_DevId_Invalid
+} EVT_IO_PAGE_FAULT_TYPE_T;
+
+/**
+ * IOTLB_INV_TIMEOUT Event Types.
+ * In accordance with the AMD spec.
+ */
+typedef enum EVT_IOTLB_INV_TIMEOUT_TYPE_T
+{
+ InvTimeoutType_NoResponse = 0
+} EVT_IOTLB_INV_TIMEOUT_TYPE_T;
+
+/**
+ * INVALID_DEVICE_REQUEST Event Types.
+ * In accordance with the AMD spec.
+ */
+typedef enum EVT_INVALID_DEV_REQ_TYPE_T
+{
+ /* Access. */
+ kInvalidDevReqType_ReadOrNonPostedWrite = 0,
+ kInvalidDevReqType_PretranslatedTransaction,
+ kInvalidDevReqType_PortIo,
+ kInvalidDevReqType_SysMgt,
+ kInvalidDevReqType_IntrRange,
+ kInvalidDevReqType_RsvdIntrRange,
+ kInvalidDevReqType_SysMgtAddr,
+ /* Translation Request. */
+ kInvalidDevReqType_TrAccessInvalid,
+ kInvalidDevReqType_TrDisabled,
+ kInvalidDevReqType_DevIdInvalid
+} EVT_INVALID_DEV_REQ_TYPE_T;
+
+/**
+ * INVALID_PPR_REQUEST Event Types.
+ * In accordance with the AMD spec.
+ */
+typedef enum EVT_INVALID_PPR_REQ_TYPE_T
+{
+ kInvalidPprReqType_PriNotSupported,
+ kInvalidPprReqType_GstTranslateDisabled
+} EVT_INVALID_PPR_REQ_TYPE_T;
+
+
+/** @name IVRS format revision field.
+ * In accordance with the AMD spec.
+ * @{ */
+/** Fixed: Supports only pre-assigned device IDs and type 10h and 11h IVHD
+ * blocks. */
+#define ACPI_IVRS_FMT_REV_FIXED 0x1
+/** Mixed: Supports pre-assigned and ACPI HID device naming and all IVHD blocks. */
+#define ACPI_IVRS_FMT_REV_MIXED 0x2
+/** @} */
+
+/** @name IVHD special device entry variety field.
+ * In accordance with the AMD spec.
+ * @{ */
+/** I/O APIC. */
+#define ACPI_IVHD_VARIETY_IOAPIC 0x1
+/** HPET. */
+#define ACPI_IVHD_VARIETY_HPET 0x2
+/** @} */
+
+/** @name IVHD device entry type codes.
+ * In accordance with the AMD spec.
+ * @{ */
+/** Reserved. */
+#define ACPI_IVHD_DEVENTRY_TYPE_RSVD 0x0
+/** All: DTE setting applies to all Device IDs. */
+#define ACPI_IVHD_DEVENTRY_TYPE_ALL 0x1
+/** Select: DTE setting applies to the device specified in DevId field. */
+#define ACPI_IVHD_DEVENTRY_TYPE_SELECT 0x2
+/** Start of range: DTE setting applies to all devices from start of range specified
+ * by the DevId field. */
+#define ACPI_IVHD_DEVENTRY_TYPE_START_RANGE 0x3
+/** End of range: DTE setting from previous type 3 entry applies to all devices
+ * incl. DevId specified by this entry. */
+#define ACPI_IVHD_DEVENTRY_TYPE_END_RANGE 0x4
+/** @} */
+
+/** @name IVHD DTE (Device Table Entry) Settings.
+ * In accordance with the AMD spec.
+ * @{ */
+/** INITPass: Identifies a device able to assert INIT interrupts. */
+#define ACPI_IVHD_DTE_INIT_PASS_SHIFT 0
+#define ACPI_IVHD_DTE_INIT_PASS_MASK UINT8_C(0x01)
+/** EIntPass: Identifies a device able to assert ExtInt interrupts. */
+#define ACPI_IVHD_DTE_EXTINT_PASS_SHIFT 1
+#define ACPI_IVHD_DTE_EXTINT_PASS_MASK UINT8_C(0x02)
+/** NMIPass: Identifies a device able to assert NMI interrupts. */
+#define ACPI_IVHD_DTE_NMI_PASS_SHIFT 2
+#define ACPI_IVHD_DTE_NMI_PASS_MASK UINT8_C(0x04)
+/** Bit 3 reserved. */
+#define ACPI_IVHD_DTE_RSVD_3_SHIFT 3
+#define ACPI_IVHD_DTE_RSVD_3_MASK UINT8_C(0x08)
+/** SysMgt: Identifies a device able to assert system management messages. */
+#define ACPI_IVHD_DTE_SYS_MGT_SHIFT 4
+#define ACPI_IVHD_DTE_SYS_MGT_MASK UINT8_C(0x30)
+/** Lint0Pass: Identifies a device able to assert LINT0 interrupts. */
+#define ACPI_IVHD_DTE_LINT0_PASS_SHIFT 6
+#define ACPI_IVHD_DTE_LINT0_PASS_MASK UINT8_C(0x40)
+/** Lint0Pass: Identifies a device able to assert LINT1 interrupts. */
+#define ACPI_IVHD_DTE_LINT1_PASS_SHIFT 7
+#define ACPI_IVHD_DTE_LINT1_PASS_MASK UINT8_C(0x80)
+RT_BF_ASSERT_COMPILE_CHECKS(ACPI_IVHD_DTE_, UINT8_C(0), UINT8_MAX,
+ (INIT_PASS, EXTINT_PASS, NMI_PASS, RSVD_3, SYS_MGT, LINT0_PASS, LINT1_PASS));
+/** @} */
+
+/**
+ * AMD IOMMU: IVHD (I/O Virtualization Hardware Definition) Device Entry (4-byte).
+ * In accordance with the AMD spec.
+ */
+#pragma pack(1)
+typedef struct ACPIIVHDDEVENTRY4
+{
+ uint8_t u8DevEntryType; /**< Device entry type. */
+ uint16_t u16DevId; /**< Device ID. */
+ uint8_t u8DteSetting; /**< DTE (Device Table Entry) setting. */
+} ACPIIVHDDEVENTRY4;
+#pragma pack()
+AssertCompileSize(ACPIIVHDDEVENTRY4, 4);
+
+/**
+ * AMD IOMMU: IVHD (I/O Virtualization Hardware Definition) Device Entry (8-byte).
+ * In accordance with the AMD spec.
+ */
+#pragma pack(1)
+typedef struct ACPIIVHDDEVENTRY8
+{
+ uint8_t u8DevEntryType; /**< Device entry type. */
+ union
+ {
+ /** Reserved: When u8DevEntryType is 0x40, 0x41, 0x44 or 0x45 (or 0x49-0x7F). */
+ struct
+ {
+ uint8_t au8Rsvd0[7]; /**< Reserved (MBZ). */
+ } rsvd;
+ /** Alias Select: When u8DevEntryType is 0x42 or 0x43. */
+ struct
+ {
+ uint16_t u16DevIdA; /**< Device ID A. */
+ uint8_t u8DteSetting; /**< DTE (Device Table Entry) setting. */
+ uint8_t u8Rsvd0; /**< Reserved (MBZ). */
+ uint16_t u16DevIdB; /**< Device ID B. */
+ uint8_t u8Rsvd1; /**< Reserved (MBZ). */
+ } alias;
+ /** Extended Select: When u8DevEntryType is 0x46 or 0x47. */
+ struct
+ {
+ uint16_t u16DevId; /**< Device ID. */
+ uint8_t u8DteSetting; /**< DTE (Device Table Entry) setting. */
+ uint32_t u32ExtDteSetting; /**< Extended DTE setting. */
+ } ext;
+ /** Special Device: When u8DevEntryType is 0x48. */
+ struct
+ {
+ uint16_t u16Rsvd0; /**< Reserved (MBZ). */
+ uint8_t u8DteSetting; /**< DTE (Device Table Entry) setting. */
+ uint8_t u8Handle; /**< Handle contains I/O APIC ID or HPET number. */
+ uint16_t u16DevIdB; /**< Device ID B (I/O APIC or HPET). */
+ uint8_t u8Variety; /**< Whether this is the HPET or I/O APIC. */
+ } special;
+ } u;
+} ACPIIVHDDEVENTRY8;
+#pragma pack()
+AssertCompileSize(ACPIIVHDDEVENTRY8, 8);
+
+/** @name IVHD Type 10h Flags.
+ * In accordance with the AMD spec.
+ * @{ */
+/** Peripheral page request support. */
+#define ACPI_IVHD_10H_F_PPR_SUP RT_BIT(7)
+/** Prefetch IOMMU pages command support. */
+#define ACPI_IVHD_10H_F_PREF_SUP RT_BIT(6)
+/** Coherent control. */
+#define ACPI_IVHD_10H_F_COHERENT RT_BIT(5)
+/** Remote IOTLB support. */
+#define ACPI_IVHD_10H_F_IOTLB_SUP RT_BIT(4)
+/** Isochronous control. */
+#define ACPI_IVHD_10H_F_ISOC RT_BIT(3)
+/** Response Pass Posted Write. */
+#define ACPI_IVHD_10H_F_RES_PASS_PW RT_BIT(2)
+/** Pass Posted Write. */
+#define ACPI_IVHD_10H_F_PASS_PW RT_BIT(1)
+/** HyperTransport Tunnel. */
+#define ACPI_IVHD_10H_F_HT_TUNNEL RT_BIT(0)
+/** @} */
+
+/** @name IVRS IVinfo field.
+ * In accordance with the AMD spec.
+ * @{ */
+/** EFRSup: Extended Feature Support. */
+#define ACPI_IVINFO_BF_EFR_SUP_SHIFT 0
+#define ACPI_IVINFO_BF_EFR_SUP_MASK UINT32_C(0x00000001)
+/** DMA Remap Sup: DMA remapping support (pre-boot DMA protection with
+ * mandatory remapping of device accessed memory). */
+#define ACPI_IVINFO_BF_DMA_REMAP_SUP_SHIFT 1
+#define ACPI_IVINFO_BF_DMA_REMAP_SUP_MASK UINT32_C(0x00000002)
+/** Bits 4:2 reserved. */
+#define ACPI_IVINFO_BF_RSVD_2_4_SHIFT 2
+#define ACPI_IVINFO_BF_RSVD_2_4_MASK UINT32_C(0x0000001c)
+/** GVASize: Guest virtual-address size. */
+#define ACPI_IVINFO_BF_GVA_SIZE_SHIFT 5
+#define ACPI_IVINFO_BF_GVA_SIZE_MASK UINT32_C(0x000000e0)
+/** PASize: System physical address size. */
+#define ACPI_IVINFO_BF_PA_SIZE_SHIFT 8
+#define ACPI_IVINFO_BF_PA_SIZE_MASK UINT32_C(0x00007f00)
+/** VASize: Virtual address size. */
+#define ACPI_IVINFO_BF_VA_SIZE_SHIFT 15
+#define ACPI_IVINFO_BF_VA_SIZE_MASK UINT32_C(0x003f8000)
+/** HTAtsResv: HyperTransport ATS-response address translation range reserved. */
+#define ACPI_IVINFO_BF_HT_ATS_RESV_SHIFT 22
+#define ACPI_IVINFO_BF_HT_ATS_RESV_MASK UINT32_C(0x00400000)
+/** Bits 31:23 reserved. */
+#define ACPI_IVINFO_BF_RSVD_23_31_SHIFT 23
+#define ACPI_IVINFO_BF_RSVD_23_31_MASK UINT32_C(0xff800000)
+RT_BF_ASSERT_COMPILE_CHECKS(ACPI_IVINFO_BF_, UINT32_C(0), UINT32_MAX,
+ (EFR_SUP, DMA_REMAP_SUP, RSVD_2_4, GVA_SIZE, PA_SIZE, VA_SIZE, HT_ATS_RESV, RSVD_23_31));
+/** @} */
+
+/** @name IVHD IOMMU info flags.
+ * In accordance with the AMD spec.
+ * @{ */
+/** MSI message number for the event log. */
+#define ACPI_IOMMU_INFO_BF_MSI_NUM_SHIFT 0
+#define ACPI_IOMMU_INFO_BF_MSI_NUM_MASK UINT16_C(0x001f)
+/** Bits 7:5 reserved. */
+#define ACPI_IOMMU_INFO_BF_RSVD_5_7_SHIFT 5
+#define ACPI_IOMMU_INFO_BF_RSVD_5_7_MASK UINT16_C(0x00e0)
+/** IOMMU HyperTransport Unit ID number. */
+#define ACPI_IOMMU_INFO_BF_UNIT_ID_SHIFT 8
+#define ACPI_IOMMU_INFO_BF_UNIT_ID_MASK UINT16_C(0x1f00)
+/** Bits 15:13 reserved. */
+#define ACPI_IOMMU_INFO_BF_RSVD_13_15_SHIFT 13
+#define ACPI_IOMMU_INFO_BF_RSVD_13_15_MASK UINT16_C(0xe000)
+RT_BF_ASSERT_COMPILE_CHECKS(ACPI_IOMMU_INFO_BF_, UINT16_C(0), UINT16_MAX,
+ (MSI_NUM, RSVD_5_7, UNIT_ID, RSVD_13_15));
+/** @} */
+
+/** @name IVHD IOMMU feature reporting field.
+ * In accordance with the AMD spec.
+ * @{ */
+/** x2APIC supported for peripherals. */
+#define ACPI_IOMMU_FEAT_BF_XT_SUP_SHIFT 0
+#define ACPI_IOMMU_FEAT_BF_XT_SUP_MASK UINT32_C(0x00000001)
+/** NX supported for I/O. */
+#define ACPI_IOMMU_FEAT_BF_NX_SUP_SHIFT 1
+#define ACPI_IOMMU_FEAT_BF_NX_SUP_MASK UINT32_C(0x00000002)
+/** GT (Guest Translation) supported. */
+#define ACPI_IOMMU_FEAT_BF_GT_SUP_SHIFT 2
+#define ACPI_IOMMU_FEAT_BF_GT_SUP_MASK UINT32_C(0x00000004)
+/** GLX (Number of guest CR3 tables) supported. */
+#define ACPI_IOMMU_FEAT_BF_GLX_SUP_SHIFT 3
+#define ACPI_IOMMU_FEAT_BF_GLX_SUP_MASK UINT32_C(0x00000018)
+/** IA (INVALIDATE_IOMMU_ALL) command supported. */
+#define ACPI_IOMMU_FEAT_BF_IA_SUP_SHIFT 5
+#define ACPI_IOMMU_FEAT_BF_IA_SUP_MASK UINT32_C(0x00000020)
+/** GA (Guest virtual APIC) supported. */
+#define ACPI_IOMMU_FEAT_BF_GA_SUP_SHIFT 6
+#define ACPI_IOMMU_FEAT_BF_GA_SUP_MASK UINT32_C(0x00000040)
+/** HE (Hardware error) registers supported. */
+#define ACPI_IOMMU_FEAT_BF_HE_SUP_SHIFT 7
+#define ACPI_IOMMU_FEAT_BF_HE_SUP_MASK UINT32_C(0x00000080)
+/** PASMax (maximum PASID) supported. Ignored if PPRSup=0. */
+#define ACPI_IOMMU_FEAT_BF_PAS_MAX_SHIFT 8
+#define ACPI_IOMMU_FEAT_BF_PAS_MAX_MASK UINT32_C(0x00001f00)
+/** PNCounters (Number of performance counters per counter bank) supported. */
+#define ACPI_IOMMU_FEAT_BF_PN_COUNTERS_SHIFT 13
+#define ACPI_IOMMU_FEAT_BF_PN_COUNTERS_MASK UINT32_C(0x0001e000)
+/** PNBanks (Number of performance counter banks) supported. */
+#define ACPI_IOMMU_FEAT_BF_PN_BANKS_SHIFT 17
+#define ACPI_IOMMU_FEAT_BF_PN_BANKS_MASK UINT32_C(0x007e0000)
+/** MSINumPPR (MSI number for peripheral page requests). */
+#define ACPI_IOMMU_FEAT_BF_MSI_NUM_PPR_SHIFT 23
+#define ACPI_IOMMU_FEAT_BF_MSI_NUM_PPR_MASK UINT32_C(0x0f800000)
+/** GATS (Guest address translation size). MBZ when GTSup=0. */
+#define ACPI_IOMMU_FEAT_BF_GATS_SHIFT 28
+#define ACPI_IOMMU_FEAT_BF_GATS_MASK UINT32_C(0x30000000)
+/** HATS (Host address translation size). */
+#define ACPI_IOMMU_FEAT_BF_HATS_SHIFT 30
+#define ACPI_IOMMU_FEAT_BF_HATS_MASK UINT32_C(0xc0000000)
+RT_BF_ASSERT_COMPILE_CHECKS(ACPI_IOMMU_FEAT_BF_, UINT32_C(0), UINT32_MAX,
+ (XT_SUP, NX_SUP, GT_SUP, GLX_SUP, IA_SUP, GA_SUP, HE_SUP, PAS_MAX, PN_COUNTERS, PN_BANKS,
+ MSI_NUM_PPR, GATS, HATS));
+/** @} */
+
+/** @name IOMMU Extended Feature Register (PCI/MMIO/ACPI).
+ * In accordance with the AMD spec.
+ * @{ */
+/** PreFSup: Prefetch support (RO). */
+#define IOMMU_EXT_FEAT_BF_PREF_SUP_SHIFT 0
+#define IOMMU_EXT_FEAT_BF_PREF_SUP_MASK UINT64_C(0x0000000000000001)
+/** PPRSup: Peripheral Page Request (PPR) support (RO). */
+#define IOMMU_EXT_FEAT_BF_PPR_SUP_SHIFT 1
+#define IOMMU_EXT_FEAT_BF_PPR_SUP_MASK UINT64_C(0x0000000000000002)
+/** XTSup: x2APIC support (RO). */
+#define IOMMU_EXT_FEAT_BF_X2APIC_SUP_SHIFT 2
+#define IOMMU_EXT_FEAT_BF_X2APIC_SUP_MASK UINT64_C(0x0000000000000004)
+/** NXSup: No Execute (PMR and PRIV) support (RO). */
+#define IOMMU_EXT_FEAT_BF_NO_EXEC_SUP_SHIFT 3
+#define IOMMU_EXT_FEAT_BF_NO_EXEC_SUP_MASK UINT64_C(0x0000000000000008)
+/** GTSup: Guest Translation support (RO). */
+#define IOMMU_EXT_FEAT_BF_GT_SUP_SHIFT 4
+#define IOMMU_EXT_FEAT_BF_GT_SUP_MASK UINT64_C(0x0000000000000010)
+/** Bit 5 reserved. */
+#define IOMMU_EXT_FEAT_BF_RSVD_5_SHIFT 5
+#define IOMMU_EXT_FEAT_BF_RSVD_5_MASK UINT64_C(0x0000000000000020)
+/** IASup: INVALIDATE_IOMMU_ALL command support (RO). */
+#define IOMMU_EXT_FEAT_BF_IA_SUP_SHIFT 6
+#define IOMMU_EXT_FEAT_BF_IA_SUP_MASK UINT64_C(0x0000000000000040)
+/** GASup: Guest virtual-APIC support (RO). */
+#define IOMMU_EXT_FEAT_BF_GA_SUP_SHIFT 7
+#define IOMMU_EXT_FEAT_BF_GA_SUP_MASK UINT64_C(0x0000000000000080)
+/** HESup: Hardware error registers support (RO). */
+#define IOMMU_EXT_FEAT_BF_HE_SUP_SHIFT 8
+#define IOMMU_EXT_FEAT_BF_HE_SUP_MASK UINT64_C(0x0000000000000100)
+/** PCSup: Performance counters support (RO). */
+#define IOMMU_EXT_FEAT_BF_PC_SUP_SHIFT 9
+#define IOMMU_EXT_FEAT_BF_PC_SUP_MASK UINT64_C(0x0000000000000200)
+/** HATS: Host Address Translation Size (RO). */
+#define IOMMU_EXT_FEAT_BF_HATS_SHIFT 10
+#define IOMMU_EXT_FEAT_BF_HATS_MASK UINT64_C(0x0000000000000c00)
+/** GATS: Guest Address Translation Size (RO). */
+#define IOMMU_EXT_FEAT_BF_GATS_SHIFT 12
+#define IOMMU_EXT_FEAT_BF_GATS_MASK UINT64_C(0x0000000000003000)
+/** GLXSup: Guest CR3 root table level support (RO). */
+#define IOMMU_EXT_FEAT_BF_GLX_SUP_SHIFT 14
+#define IOMMU_EXT_FEAT_BF_GLX_SUP_MASK UINT64_C(0x000000000000c000)
+/** SmiFSup: SMI filter register support (RO). */
+#define IOMMU_EXT_FEAT_BF_SMI_FLT_SUP_SHIFT 16
+#define IOMMU_EXT_FEAT_BF_SMI_FLT_SUP_MASK UINT64_C(0x0000000000030000)
+/** SmiFRC: SMI filter register count (RO). */
+#define IOMMU_EXT_FEAT_BF_SMI_FLT_REG_CNT_SHIFT 18
+#define IOMMU_EXT_FEAT_BF_SMI_FLT_REG_CNT_MASK UINT64_C(0x00000000001c0000)
+/** GAMSup: Guest virtual-APIC modes support (RO). */
+#define IOMMU_EXT_FEAT_BF_GAM_SUP_SHIFT 21
+#define IOMMU_EXT_FEAT_BF_GAM_SUP_MASK UINT64_C(0x0000000000e00000)
+/** DualPprLogSup: Dual PPR Log support (RO). */
+#define IOMMU_EXT_FEAT_BF_DUAL_PPR_LOG_SUP_SHIFT 24
+#define IOMMU_EXT_FEAT_BF_DUAL_PPR_LOG_SUP_MASK UINT64_C(0x0000000003000000)
+/** Bits 27:26 reserved. */
+#define IOMMU_EXT_FEAT_BF_RSVD_26_27_SHIFT 26
+#define IOMMU_EXT_FEAT_BF_RSVD_26_27_MASK UINT64_C(0x000000000c000000)
+/** DualEventLogSup: Dual Event Log support (RO). */
+#define IOMMU_EXT_FEAT_BF_DUAL_EVT_LOG_SUP_SHIFT 28
+#define IOMMU_EXT_FEAT_BF_DUAL_EVT_LOG_SUP_MASK UINT64_C(0x0000000030000000)
+/** Bits 31:30 reserved. */
+#define IOMMU_EXT_FEAT_BF_RSVD_30_31_SHIFT 30
+#define IOMMU_EXT_FEAT_BF_RSVD_30_31_MASK UINT64_C(0x00000000c0000000)
+/** PASMax: Maximum PASID support (RO). */
+#define IOMMU_EXT_FEAT_BF_PASID_MAX_SHIFT 32
+#define IOMMU_EXT_FEAT_BF_PASID_MAX_MASK UINT64_C(0x0000001f00000000)
+/** USSup: User/Supervisor support (RO). */
+#define IOMMU_EXT_FEAT_BF_US_SUP_SHIFT 37
+#define IOMMU_EXT_FEAT_BF_US_SUP_MASK UINT64_C(0x0000002000000000)
+/** DevTblSegSup: Segmented Device Table support (RO). */
+#define IOMMU_EXT_FEAT_BF_DEV_TBL_SEG_SUP_SHIFT 38
+#define IOMMU_EXT_FEAT_BF_DEV_TBL_SEG_SUP_MASK UINT64_C(0x000000c000000000)
+/** PprOverflwEarlySup: PPR Log Overflow Early warning support (RO). */
+#define IOMMU_EXT_FEAT_BF_PPR_OVERFLOW_EARLY_SHIFT 40
+#define IOMMU_EXT_FEAT_BF_PPR_OVERFLOW_EARLY_MASK UINT64_C(0x0000010000000000)
+/** PprAutoRspSup: PPR Automatic Response support (RO). */
+#define IOMMU_EXT_FEAT_BF_PPR_AUTO_RES_SUP_SHIFT 41
+#define IOMMU_EXT_FEAT_BF_PPR_AUTO_RES_SUP_MASK UINT64_C(0x0000020000000000)
+/** MarcSup: Memory Access and Routing (MARC) support (RO). */
+#define IOMMU_EXT_FEAT_BF_MARC_SUP_SHIFT 42
+#define IOMMU_EXT_FEAT_BF_MARC_SUP_MASK UINT64_C(0x00000c0000000000)
+/** BlkStopMrkSup: Block StopMark message support (RO). */
+#define IOMMU_EXT_FEAT_BF_BLKSTOP_MARK_SUP_SHIFT 44
+#define IOMMU_EXT_FEAT_BF_BLKSTOP_MARK_SUP_MASK UINT64_C(0x0000100000000000)
+/** PerfOptSup: IOMMU Performance Optimization support (RO). */
+#define IOMMU_EXT_FEAT_BF_PERF_OPT_SUP_SHIFT 45
+#define IOMMU_EXT_FEAT_BF_PERF_OPT_SUP_MASK UINT64_C(0x0000200000000000)
+/** MsiCapMmioSup: MSI-Capability Register MMIO access support (RO). */
+#define IOMMU_EXT_FEAT_BF_MSI_CAP_MMIO_SUP_SHIFT 46
+#define IOMMU_EXT_FEAT_BF_MSI_CAP_MMIO_SUP_MASK UINT64_C(0x0000400000000000)
+/** Bit 47 reserved. */
+#define IOMMU_EXT_FEAT_BF_RSVD_47_SHIFT 47
+#define IOMMU_EXT_FEAT_BF_RSVD_47_MASK UINT64_C(0x0000800000000000)
+/** GIoSup: Guest I/O Protection support (RO). */
+#define IOMMU_EXT_FEAT_BF_GST_IO_PROT_SUP_SHIFT 48
+#define IOMMU_EXT_FEAT_BF_GST_IO_PROT_SUP_MASK UINT64_C(0x0001000000000000)
+/** HASup: Host Access support (RO). */
+#define IOMMU_EXT_FEAT_BF_HST_ACCESS_SUP_SHIFT 49
+#define IOMMU_EXT_FEAT_BF_HST_ACCESS_SUP_MASK UINT64_C(0x0002000000000000)
+/** EPHSup: Enhandled PPR Handling support (RO). */
+#define IOMMU_EXT_FEAT_BF_ENHANCED_PPR_SUP_SHIFT 50
+#define IOMMU_EXT_FEAT_BF_ENHANCED_PPR_SUP_MASK UINT64_C(0x0004000000000000)
+/** AttrFWSup: Attribute Forward support (RO). */
+#define IOMMU_EXT_FEAT_BF_ATTR_FW_SUP_SHIFT 51
+#define IOMMU_EXT_FEAT_BF_ATTR_FW_SUP_MASK UINT64_C(0x0008000000000000)
+/** HDSup: Host Dirty Support (RO). */
+#define IOMMU_EXT_FEAT_BF_HST_DIRTY_SUP_SHIFT 52
+#define IOMMU_EXT_FEAT_BF_HST_DIRTY_SUP_MASK UINT64_C(0x0010000000000000)
+/** Bit 53 reserved. */
+#define IOMMU_EXT_FEAT_BF_RSVD_53_SHIFT 53
+#define IOMMU_EXT_FEAT_BF_RSVD_53_MASK UINT64_C(0x0020000000000000)
+/** InvIotlbTypeSup: Invalidate IOTLB type support (RO). */
+#define IOMMU_EXT_FEAT_BF_INV_IOTLB_TYPE_SUP_SHIFT 54
+#define IOMMU_EXT_FEAT_BF_INV_IOTLB_TYPE_SUP_MASK UINT64_C(0x0040000000000000)
+/** Bits 60:55 reserved. */
+#define IOMMU_EXT_FEAT_BF_RSVD_55_60_SHIFT 55
+#define IOMMU_EXT_FEAT_BF_RSVD_55_60_MASK UINT64_C(0x1f80000000000000)
+/** GAUpdateDisSup: Support disabling hardware update on guest page table access
+ * (RO). */
+#define IOMMU_EXT_FEAT_BF_GA_UPDATE_DIS_SUP_SHIFT 61
+#define IOMMU_EXT_FEAT_BF_GA_UPDATE_DIS_SUP_MASK UINT64_C(0x2000000000000000)
+/** ForcePhysDestSup: Force Physical Destination Mode for Remapped Interrupt
+ * support (RO). */
+#define IOMMU_EXT_FEAT_BF_FORCE_PHYS_DST_SUP_SHIFT 62
+#define IOMMU_EXT_FEAT_BF_FORCE_PHYS_DST_SUP_MASK UINT64_C(0x4000000000000000)
+/** Bit 63 reserved. */
+#define IOMMU_EXT_FEAT_BF_RSVD_63_SHIFT 63
+#define IOMMU_EXT_FEAT_BF_RSVD_63_MASK UINT64_C(0x8000000000000000)
+RT_BF_ASSERT_COMPILE_CHECKS(IOMMU_EXT_FEAT_BF_, UINT64_C(0), UINT64_MAX,
+ (PREF_SUP, PPR_SUP, X2APIC_SUP, NO_EXEC_SUP, GT_SUP, RSVD_5, IA_SUP, GA_SUP, HE_SUP, PC_SUP,
+ HATS, GATS, GLX_SUP, SMI_FLT_SUP, SMI_FLT_REG_CNT, GAM_SUP, DUAL_PPR_LOG_SUP, RSVD_26_27,
+ DUAL_EVT_LOG_SUP, RSVD_30_31, PASID_MAX, US_SUP, DEV_TBL_SEG_SUP, PPR_OVERFLOW_EARLY,
+ PPR_AUTO_RES_SUP, MARC_SUP, BLKSTOP_MARK_SUP, PERF_OPT_SUP, MSI_CAP_MMIO_SUP, RSVD_47,
+ GST_IO_PROT_SUP, HST_ACCESS_SUP, ENHANCED_PPR_SUP, ATTR_FW_SUP, HST_DIRTY_SUP, RSVD_53,
+ INV_IOTLB_TYPE_SUP, RSVD_55_60, GA_UPDATE_DIS_SUP, FORCE_PHYS_DST_SUP, RSVD_63));
+/** @} */
+
+/**
+ * IVHD (I/O Virtualization Hardware Definition) Type 10h.
+ * In accordance with the AMD spec.
+ */
+#pragma pack(1)
+typedef struct ACPIIVHDTYPE10
+{
+ uint8_t u8Type; /**< Type: Must be 0x10. */
+ uint8_t u8Flags; /**< Flags (see ACPI_IVHD_10H_F_XXX). */
+ uint16_t u16Length; /**< Length of IVHD including IVHD device entries. */
+ uint16_t u16DeviceId; /**< Device ID of the IOMMU. */
+ uint16_t u16CapOffset; /**< Offset in Capability space for control fields of IOMMU. */
+ uint64_t u64BaseAddress; /**< Base address of IOMMU control registers in MMIO space. */
+ uint16_t u16PciSegmentGroup; /**< PCI segment group number. */
+ uint16_t u16IommuInfo; /**< Interrupt number and Unit ID. */
+ uint32_t u32Features; /**< IOMMU feature reporting. */
+ /* IVHD device entry block follows. */
+} ACPIIVHDTYPE10;
+#pragma pack()
+AssertCompileSize(ACPIIVHDTYPE10, 24);
+AssertCompileMemberOffset(ACPIIVHDTYPE10, u8Type, 0);
+AssertCompileMemberOffset(ACPIIVHDTYPE10, u8Flags, 1);
+AssertCompileMemberOffset(ACPIIVHDTYPE10, u16Length, 2);
+AssertCompileMemberOffset(ACPIIVHDTYPE10, u16DeviceId, 4);
+AssertCompileMemberOffset(ACPIIVHDTYPE10, u16CapOffset, 6);
+AssertCompileMemberOffset(ACPIIVHDTYPE10, u64BaseAddress, 8);
+AssertCompileMemberOffset(ACPIIVHDTYPE10, u16PciSegmentGroup, 16);
+AssertCompileMemberOffset(ACPIIVHDTYPE10, u16IommuInfo, 18);
+AssertCompileMemberOffset(ACPIIVHDTYPE10, u32Features, 20);
+
+/** @name IVHD Type 11h Flags.
+ * In accordance with the AMD spec.
+ * @{ */
+/** Coherent control. */
+#define ACPI_IVHD_11H_F_COHERENT RT_BIT(5)
+/** Remote IOTLB support. */
+#define ACPI_IVHD_11H_F_IOTLB_SUP RT_BIT(4)
+/** Isochronous control. */
+#define ACPI_IVHD_11H_F_ISOC RT_BIT(3)
+/** Response Pass Posted Write. */
+#define ACPI_IVHD_11H_F_RES_PASS_PW RT_BIT(2)
+/** Pass Posted Write. */
+#define ACPI_IVHD_11H_F_PASS_PW RT_BIT(1)
+/** HyperTransport Tunnel. */
+#define ACPI_IVHD_11H_F_HT_TUNNEL RT_BIT(0)
+/** @} */
+
+/** @name IVHD IOMMU Type 11 Attributes field.
+ * In accordance with the AMD spec.
+ * @{ */
+/** Bits 12:0 reserved. */
+#define ACPI_IOMMU_ATTR_BF_RSVD_0_12_SHIFT 0
+#define ACPI_IOMMU_ATTR_BF_RSVD_0_12_MASK UINT32_C(0x00001fff)
+/** PNCounters: Number of performance counters per counter bank. */
+#define ACPI_IOMMU_ATTR_BF_PN_COUNTERS_SHIFT 13
+#define ACPI_IOMMU_ATTR_BF_PN_COUNTERS_MASK UINT32_C(0x0001e000)
+/** PNBanks: Number of performance counter banks. */
+#define ACPI_IOMMU_ATTR_BF_PN_BANKS_SHIFT 17
+#define ACPI_IOMMU_ATTR_BF_PN_BANKS_MASK UINT32_C(0x007e0000)
+/** MSINumPPR: MSI number for peripheral page requests (PPR). */
+#define ACPI_IOMMU_ATTR_BF_MSI_NUM_PPR_SHIFT 23
+#define ACPI_IOMMU_ATTR_BF_MSI_NUM_PPR_MASK UINT32_C(0x0f800000)
+/** Bits 31:28 reserved. */
+#define ACPI_IOMMU_ATTR_BF_RSVD_28_31_SHIFT 28
+#define ACPI_IOMMU_ATTR_BF_RSVD_28_31_MASK UINT32_C(0xf0000000)
+RT_BF_ASSERT_COMPILE_CHECKS(ACPI_IOMMU_ATTR_BF_, UINT32_C(0), UINT32_MAX,
+ (RSVD_0_12, PN_COUNTERS, PN_BANKS, MSI_NUM_PPR, RSVD_28_31));
+/** @} */
+
+/**
+ * AMD IOMMU: IVHD (I/O Virtualization Hardware Definition) Type 11h.
+ * In accordance with the AMD spec.
+ */
+#pragma pack(1)
+typedef struct ACPIIVHDTYPE11
+{
+ uint8_t u8Type; /**< Type: Must be 0x11. */
+ uint8_t u8Flags; /**< Flags. */
+ uint16_t u16Length; /**< Length: Size starting from Type fields incl. IVHD device entries. */
+ uint16_t u16DeviceId; /**< Device ID of the IOMMU. */
+ uint16_t u16CapOffset; /**< Offset in Capability space for control fields of IOMMU. */
+ uint64_t u64BaseAddress; /**< Base address of IOMMU control registers in MMIO space. */
+ uint16_t u16PciSegmentGroup; /**< PCI segment group number. */
+ uint16_t u16IommuInfo; /**< Interrupt number and unit ID. */
+ uint32_t u32IommuAttr; /**< IOMMU info. not reported in EFR. */
+ uint64_t u64EfrRegister; /**< Extended Feature Register (must be identical to its MMIO shadow). */
+ uint64_t u64Rsvd0; /**< Reserved for future. */
+ /* IVHD device entry block follows. */
+} ACPIIVHDTYPE11;
+#pragma pack()
+AssertCompileSize(ACPIIVHDTYPE11, 40);
+AssertCompileMemberOffset(ACPIIVHDTYPE11, u8Type, 0);
+AssertCompileMemberOffset(ACPIIVHDTYPE11, u8Flags, 1);
+AssertCompileMemberOffset(ACPIIVHDTYPE11, u16Length, 2);
+AssertCompileMemberOffset(ACPIIVHDTYPE11, u16DeviceId, 4);
+AssertCompileMemberOffset(ACPIIVHDTYPE11, u16CapOffset, 6);
+AssertCompileMemberOffset(ACPIIVHDTYPE11, u64BaseAddress, 8);
+AssertCompileMemberOffset(ACPIIVHDTYPE11, u16PciSegmentGroup, 16);
+AssertCompileMemberOffset(ACPIIVHDTYPE11, u16IommuInfo, 18);
+AssertCompileMemberOffset(ACPIIVHDTYPE11, u32IommuAttr, 20);
+AssertCompileMemberOffset(ACPIIVHDTYPE11, u64EfrRegister, 24);
+AssertCompileMemberOffset(ACPIIVHDTYPE11, u64Rsvd0, 32);
+
+/**
+ * AMD IOMMU: IVHD (I/O Virtualization Hardware Definition) Type 40h.
+ * In accordance with the AMD spec.
+ */
+typedef struct ACPIIVHDTYPE11 ACPIIVHDTYPE40;
+
+#endif /* !VBOX_INCLUDED_iommu_amd_h */