| 1 | /* $Id: IOMInternal.h 23 2007-01-15 14:08:28Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IOM - Internal header file.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006 InnoTek Systemberatung GmbH
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License as published by the Free Software Foundation,
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| 13 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 14 | * distribution. VirtualBox OSE is distributed in the hope that it will
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| 15 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * If you received this file as part of a commercial VirtualBox
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| 18 | * distribution, then only the terms of your commercial VirtualBox
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| 19 | * license agreement apply instead of the previous paragraph.
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| 20 | */
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| 21 |
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| 22 | #ifndef __IOMInternal_h__
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| 23 | #define __IOMInternal_h__
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| 24 |
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| 25 | #include <VBox/cdefs.h>
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| 26 | #include <VBox/types.h>
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| 27 | #include <VBox/iom.h>
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| 28 | #include <VBox/stam.h>
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| 29 | #include <iprt/avl.h>
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| 30 |
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| 31 | #if !defined(IN_IOM_R3) && !defined(IN_IOM_R0) && !defined(IN_IOM_GC)
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| 32 | # error "Not in IOM! This is an internal header!"
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| 33 | #endif
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| 34 |
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| 35 |
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| 36 | /** @defgroup grp_iom_int Internals
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| 37 | * @ingroup grp_iom
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| 38 | * @internal
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| 39 | * @{
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| 40 | */
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| 41 |
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| 42 | /**
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| 43 | * MMIO range descriptor, R3 version.
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| 44 | */
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| 45 | typedef struct IOMMMIORANGER3
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| 46 | {
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| 47 | /** Avl node core with GCPhys as Key and GCPhys + cbSize - 1 as KeyLast. */
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| 48 | AVLROGCPHYSNODECORE Core;
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| 49 | /** Start physical address. */
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| 50 | RTGCPHYS GCPhys;
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| 51 | /** Size of the range. */
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| 52 | RTUINT cbSize;
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| 53 | /** Pointer to user argument. */
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| 54 | RTHCPTR pvUser;
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| 55 | /** Pointer to device instance. */
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| 56 | HCPTRTYPE(PPDMDEVINS) pDevIns;
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| 57 | /** Pointer to write callback function. */
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| 58 | HCPTRTYPE(PFNIOMMMIOWRITE) pfnWriteCallback;
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| 59 | /** Pointer to read callback function. */
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| 60 | HCPTRTYPE(PFNIOMMMIOREAD) pfnReadCallback;
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| 61 | /** Pointer to fill (memset) callback function. */
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| 62 | HCPTRTYPE(PFNIOMMMIOFILL) pfnFillCallback;
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| 63 | /** Description / Name. For easing debugging. */
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| 64 | HCPTRTYPE(const char *) pszDesc;
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| 65 | } IOMMMIORANGER3;
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| 66 | /** Pointer to a MMIO range descriptor, R3 version. */
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| 67 | typedef struct IOMMMIORANGER3 *PIOMMMIORANGER3;
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| 68 |
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| 69 | /** MMIO range descriptor, R0 version. */
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| 70 | typedef IOMMMIORANGER3 IOMMMIORANGER0;
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| 71 | /** Pointer to a MMIO range descriptor, R0 version. */
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| 72 | typedef PIOMMMIORANGER3 PIOMMMIORANGER0;
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| 73 |
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| 74 | /**
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| 75 | * MMIO range descriptor, GC version.
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| 76 | */
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| 77 | typedef struct IOMMMIORANGEGC
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| 78 | {
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| 79 | /** Avl node core with GCPhys as Key and GCPhys + cbSize - 1 as KeyLast. */
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| 80 | AVLROGCPHYSNODECORE Core;
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| 81 | /** Start physical address. */
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| 82 | RTGCPHYS GCPhys;
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| 83 | /** Size of the range. */
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| 84 | RTUINT cbSize;
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| 85 | /** Pointer to user argument. */
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| 86 | RTGCPTR pvUser;
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| 87 | /** Pointer to device instance. */
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| 88 | GCPTRTYPE(PPDMDEVINS) pDevIns;
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| 89 | /** Pointer to write callback function. */
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| 90 | GCPTRTYPE(PFNIOMMMIOWRITE) pfnWriteCallback;
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| 91 | /** Pointer to read callback function. */
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| 92 | GCPTRTYPE(PFNIOMMMIOREAD) pfnReadCallback;
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| 93 | /** Pointer to fill (memset) callback function. */
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| 94 | GCPTRTYPE(PFNIOMMMIOFILL) pfnFillCallback;
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| 95 | /** Description / Name. For easing debugging. */
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| 96 | HCPTRTYPE(const char *) pszDesc;
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| 97 | } IOMMMIORANGEGC;
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| 98 | /** Pointer to a MMIO range descriptor, GC version. */
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| 99 | typedef struct IOMMMIORANGEGC *PIOMMMIORANGEGC;
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| 100 |
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| 101 |
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| 102 | /**
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| 103 | * MMIO address statistics. (one address)
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| 104 | *
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| 105 | * This is a simple way of making on demand statistics, however it's a
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| 106 | * bit free with the hypervisor heap memory..
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| 107 | */
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| 108 | typedef struct IOMMMIOSTATS
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| 109 | {
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| 110 | /** Avl node core with the address as Key. */
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| 111 | AVLOGCPHYSNODECORE Core;
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| 112 | /** Number of reads to this address from R3. */
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| 113 | STAMCOUNTER ReadR3;
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| 114 | /** Number of writes to this address from R3. */
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| 115 | STAMCOUNTER WriteR3;
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| 116 | /** Number of reads to this address from R0. */
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| 117 | STAMCOUNTER ReadR0;
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| 118 | /** Number of writes to this address from R0. */
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| 119 | STAMCOUNTER WriteR0;
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| 120 | /** Number of reads to this address from GC. */
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| 121 | STAMCOUNTER ReadGC;
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| 122 | /** Number of writes to this address from GC. */
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| 123 | STAMCOUNTER WriteGC;
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| 124 | /** Number of reads to this address from R0 which was serviced in R3. */
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| 125 | STAMCOUNTER ReadR0ToR3;
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| 126 | /** Number of writes to this address from R0 which was serviced in R3. */
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| 127 | STAMCOUNTER WriteR0ToR3;
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| 128 | /** Number of reads to this address from GC which was serviced in R3. */
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| 129 | STAMCOUNTER ReadGCToR3;
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| 130 | /** Number of writes to this address from GC which was serviced in R3. */
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| 131 | STAMCOUNTER WriteGCToR3;
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| 132 | } IOMMMIOSTATS;
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| 133 | /** Pointer to I/O port statistics. */
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| 134 | typedef IOMMMIOSTATS *PIOMMMIOSTATS;
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| 135 |
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| 136 |
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| 137 | /**
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| 138 | * I/O port range descriptor, R3 version.
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| 139 | */
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| 140 | typedef struct IOMIOPORTRANGER3
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| 141 | {
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| 142 | /** Avl node core with Port as Key and Port + cPorts - 1 as KeyLast. */
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| 143 | AVLROIOPORTNODECORE Core;
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| 144 | /** Start I/O port address. */
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| 145 | RTIOPORT Port;
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| 146 | /** Size of the range. */
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| 147 | uint16_t cPorts;
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| 148 | /** Pointer to user argument. */
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| 149 | RTHCPTR pvUser;
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| 150 | /** Pointer to the associated device instance. */
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| 151 | HCPTRTYPE(PPDMDEVINS) pDevIns;
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| 152 | /** Pointer to OUT callback function. */
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| 153 | HCPTRTYPE(PFNIOMIOPORTOUT) pfnOutCallback;
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| 154 | /** Pointer to IN callback function. */
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| 155 | HCPTRTYPE(PFNIOMIOPORTIN) pfnInCallback;
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| 156 | /** Pointer to string OUT callback function. */
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| 157 | HCPTRTYPE(PFNIOMIOPORTOUTSTRING) pfnOutStrCallback;
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| 158 | /** Pointer to string IN callback function. */
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| 159 | HCPTRTYPE(PFNIOMIOPORTINSTRING) pfnInStrCallback;
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| 160 | /** Description / Name. For easing debugging. */
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| 161 | HCPTRTYPE(const char *) pszDesc;
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| 162 | } IOMIOPORTRANGER3;
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| 163 | /** Pointer to I/O port range descriptor, R3 version. */
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| 164 | typedef IOMIOPORTRANGER3 *PIOMIOPORTRANGER3;
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| 165 |
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| 166 | /** I/O port range descriptor, R0 version. */
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| 167 | typedef IOMIOPORTRANGER3 IOMIOPORTRANGER0;
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| 168 | /** Pointer to I/O port range descriptor, R0 version. */
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| 169 | typedef PIOMIOPORTRANGER3 PIOMIOPORTRANGER0;
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| 170 |
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| 171 | /**
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| 172 | * I/O port range descriptor.
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| 173 | */
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| 174 | typedef struct IOMIOPORTRANGEGC
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| 175 | {
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| 176 | /** Avl node core with Port as Key and Port + cPorts - 1 as KeyLast. */
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| 177 | AVLROIOPORTNODECORE Core;
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| 178 | /** Start I/O port address. */
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| 179 | RTIOPORT Port;
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| 180 | /** Size of the range. */
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| 181 | uint16_t cPorts;
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| 182 | /** Pointer to user argument. */
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| 183 | RTGCPTR pvUser;
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| 184 | /** Pointer to the associated device instance. */
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| 185 | GCPTRTYPE(PPDMDEVINS) pDevIns;
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| 186 | /** Pointer to OUT callback function. */
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| 187 | GCPTRTYPE(PFNIOMIOPORTOUT) pfnOutCallback;
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| 188 | /** Pointer to IN callback function. */
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| 189 | GCPTRTYPE(PFNIOMIOPORTIN) pfnInCallback;
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| 190 | /** Pointer to string OUT callback function. */
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| 191 | GCPTRTYPE(PFNIOMIOPORTOUTSTRING) pfnOutStrCallback;
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| 192 | /** Pointer to string IN callback function. */
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| 193 | GCPTRTYPE(PFNIOMIOPORTINSTRING) pfnInStrCallback;
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| 194 | /** Description / Name. For easing debugging. */
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| 195 | HCPTRTYPE(const char *) pszDesc;
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| 196 | } IOMIOPORTRANGEGC;
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| 197 | /** Pointer to I/O port range descriptor, GC version. */
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| 198 | typedef IOMIOPORTRANGEGC *PIOMIOPORTRANGEGC;
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| 199 |
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| 200 |
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| 201 | /**
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| 202 | * I/O port statistics. (one I/O port)
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| 203 | *
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| 204 | * This is a simple way of making on demand statistics, however it's a
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| 205 | * bit free with the hypervisor heap memory..
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| 206 | */
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| 207 | typedef struct IOMIOPORTSTATS
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| 208 | {
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| 209 | /** Avl node core with the port as Key. */
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| 210 | AVLOIOPORTNODECORE Core;
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| 211 | /** Number of INs to this port from R3. */
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| 212 | STAMCOUNTER InR3;
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| 213 | /** Number of OUTs to this port from R3. */
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| 214 | STAMCOUNTER OutR3;
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| 215 | /** Number of INs to this port from R0. */
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| 216 | STAMCOUNTER InR0;
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| 217 | /** Number of OUTs to this port from R0. */
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| 218 | STAMCOUNTER OutR0;
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| 219 | /** Number of INs to this port from GC. */
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| 220 | STAMCOUNTER InGC;
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| 221 | /** Number of OUTs to this port from GC. */
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| 222 | STAMCOUNTER OutGC;
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| 223 | /** Number of INs to this port from R0 which was serviced in R3. */
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| 224 | STAMCOUNTER InR0ToR3;
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| 225 | /** Number of OUTs to this port from R0 which was serviced in R3. */
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| 226 | STAMCOUNTER OutR0ToR3;
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| 227 | /** Number of INs to this port from GC which was serviced in R3. */
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| 228 | STAMCOUNTER InGCToR3;
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| 229 | /** Number of OUTs to this port from GC which was serviced in R3. */
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| 230 | STAMCOUNTER OutGCToR3;
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| 231 | } IOMIOPORTSTATS;
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| 232 | /** Pointer to I/O port statistics. */
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| 233 | typedef IOMIOPORTSTATS *PIOMIOPORTSTATS;
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| 234 |
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| 235 |
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| 236 | /**
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| 237 | * The IOM trees.
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| 238 | * These are offset based the nodes and root must be in the same
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| 239 | * memory block in HC. The locations of IOM structure and the hypervisor heap
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| 240 | * are quite different in HC and GC.
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| 241 | */
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| 242 | typedef struct IOMTREES
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| 243 | {
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| 244 | /** Tree containing I/O port range descriptors registered for HC (IOMIOPORTRANGEHC). */
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| 245 | AVLROIOPORTTREE IOPortTreeR3;
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| 246 | /** Tree containing I/O port range descriptors registered for R0 (IOMIOPORTRANGER0). */
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| 247 | AVLROIOPORTTREE IOPortTreeR0;
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| 248 | /** Tree containing I/O port range descriptors registered for GC (IOMIOPORTRANGEGC). */
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| 249 | AVLROIOPORTTREE IOPortTreeGC;
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| 250 |
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| 251 | /** Tree containing MMIO range descriptors registered for HC (IOMMMIORANGEHC). */
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| 252 | AVLROGCPHYSTREE MMIOTreeR3;
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| 253 | /** Tree containing MMIO range descriptors registered for R0 (IOMMMIORANGER0). */
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| 254 | AVLROGCPHYSTREE MMIOTreeR0;
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| 255 | /** Tree containing MMIO range descriptors registered for GC (IOMMMIORANGEGC). */
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| 256 | AVLROGCPHYSTREE MMIOTreeGC;
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| 257 |
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| 258 | /** Tree containing I/O port statistics (IOMIOPORTSTATS). */
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| 259 | AVLOIOPORTTREE IOPortStatTree;
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| 260 | /** Tree containing MMIO statistics (IOMMMIOSTATS). */
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| 261 | AVLOGCPHYSTREE MMIOStatTree;
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| 262 | } IOMTREES;
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| 263 | /** Pointer to the IOM trees. */
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| 264 | typedef IOMTREES *PIOMTREES;
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| 265 |
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| 266 |
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| 267 | /**
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| 268 | * Converts an IOM pointer into a VM pointer.
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| 269 | * @returns Pointer to the VM structure the PGM is part of.
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| 270 | * @param pIOM Pointer to IOM instance data.
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| 271 | */
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| 272 | #define IOM2VM(pIOM) ( (PVM)((char*)pIOM - pIOM->offVM) )
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| 273 |
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| 274 | /**
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| 275 | * IOM Data (part of VM)
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| 276 | */
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| 277 | typedef struct IOM
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| 278 | {
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| 279 | /** Offset to the VM structure. */
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| 280 | RTINT offVM;
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| 281 |
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| 282 | /** Pointer to the trees - GC ptr. */
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| 283 | GCPTRTYPE(PIOMTREES) pTreesGC;
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| 284 | /** Pointer to the trees - HC ptr. */
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| 285 | HCPTRTYPE(PIOMTREES) pTreesHC;
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| 286 |
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| 287 |
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| 288 | /** @name Caching of I/O Port ranges and statistics.
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| 289 | * (Saves quite some time in rep outs/ins instruction emulation.)
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| 290 | * @{ */
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| 291 | HCPTRTYPE(PIOMIOPORTRANGER3) pRangeLastReadR3;
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| 292 | HCPTRTYPE(PIOMIOPORTRANGER3) pRangeLastWriteR3;
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| 293 | HCPTRTYPE(PIOMIOPORTSTATS) pStatsLastReadR3;
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| 294 | HCPTRTYPE(PIOMIOPORTSTATS) pStatsLastWriteR3;
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| 295 |
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| 296 | HCPTRTYPE(PIOMIOPORTRANGER0) pRangeLastReadR0;
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| 297 | HCPTRTYPE(PIOMIOPORTRANGER0) pRangeLastWriteR0;
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| 298 | HCPTRTYPE(PIOMIOPORTSTATS) pStatsLastReadR0;
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| 299 | HCPTRTYPE(PIOMIOPORTSTATS) pStatsLastWriteR0;
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| 300 |
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| 301 | GCPTRTYPE(PIOMIOPORTRANGEGC) pRangeLastReadGC;
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| 302 | GCPTRTYPE(PIOMIOPORTRANGEGC) pRangeLastWriteGC;
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| 303 | GCPTRTYPE(PIOMIOPORTSTATS) pStatsLastReadGC;
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| 304 | GCPTRTYPE(PIOMIOPORTSTATS) pStatsLastWriteGC;
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| 305 | /** @} */
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| 306 |
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| 307 | /** @name I/O Port statistics.
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| 308 | * @{ */
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| 309 | STAMPROFILE StatGCIOPortHandler;
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| 310 |
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| 311 | STAMCOUNTER StatGCInstIn;
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| 312 | STAMCOUNTER StatGCInstOut;
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| 313 | STAMCOUNTER StatGCInstIns;
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| 314 | STAMCOUNTER StatGCInstOuts;
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| 315 | /** @} */
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| 316 |
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| 317 | /** @name MMIO statistics.
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| 318 | * @{ */
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| 319 | STAMPROFILE StatGCMMIOHandler;
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| 320 | STAMCOUNTER StatGCMMIOFailures;
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| 321 |
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| 322 | STAMPROFILE StatGCInstMov;
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| 323 | STAMPROFILE StatGCInstCmp;
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| 324 | STAMPROFILE StatGCInstAnd;
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| 325 | STAMPROFILE StatGCInstTest;
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| 326 | STAMPROFILE StatGCInstXchg;
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| 327 | STAMPROFILE StatGCInstStos;
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| 328 | STAMPROFILE StatGCInstLods;
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| 329 | STAMPROFILE StatGCInstMovs;
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| 330 | STAMPROFILE StatGCInstMovsToMMIO;
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| 331 | STAMPROFILE StatGCInstMovsFromMMIO;
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| 332 | STAMPROFILE StatGCInstMovsMMIO;
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| 333 | STAMCOUNTER StatGCInstOther;
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| 334 |
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| 335 | STAMCOUNTER StatGCMMIO1Byte;
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| 336 | STAMCOUNTER StatGCMMIO2Bytes;
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| 337 | STAMCOUNTER StatGCMMIO4Bytes;
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| 338 |
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| 339 | RTUINT cMovsMaxBytes;
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| 340 | RTUINT cStosMaxBytes;
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| 341 | /** @} */
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| 342 |
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| 343 | } IOM;
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| 344 | /** Pointer to IOM instance data. */
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| 345 | typedef IOM *PIOM;
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| 346 |
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| 347 |
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| 348 | __BEGIN_DECLS
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| 349 |
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| 350 | #ifdef IN_IOM_R3
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| 351 | PIOMIOPORTSTATS iomr3IOPortStatsCreate(PVM pVM, RTIOPORT Port, const char *pszDesc);
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| 352 | PIOMMMIOSTATS iomR3MMIOStatsCreate(PVM pVM, RTGCPHYS GCPhys, const char *pszDesc);
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| 353 | #endif /* IN_IOM_R3 */
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| 354 |
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| 355 | /**
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| 356 | * \#PF Handler callback for MMIO ranges.
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| 357 | *
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| 358 | * @returns VBox status code (appropriate for GC return).
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| 359 | *
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| 360 | * @param pVM VM Handle.
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| 361 | * @param uErrorCode CPU Error code.
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| 362 | * @param pRegFrame Trap register frame.
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| 363 | * @param pvFault The fault address (cr2).
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| 364 | * @param GCPhysFault The GC physical address corresponding to pvFault.
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| 365 | * @param pvUser Pointer to the MMIO range entry.
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| 366 | */
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| 367 | IOMDECL(int) IOMMMIOHandler(PVM pVM, RTGCUINT uErrorCode, PCPUMCTXCORE pRegFrame, void *pvFault, RTGCPHYS GCPhysFault, void *pvUser);
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| 368 |
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| 369 | /**
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| 370 | * Gets the I/O port range for the specified I/O port in the current context.
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| 371 | *
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| 372 | * @returns Pointer to I/O port range.
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| 373 | * @returns NULL if no port registered.
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| 374 | *
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| 375 | * @param pIOM IOM instance data.
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| 376 | * @param Port Port to lookup.
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| 377 | */
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| 378 | inline CTXALLSUFF(PIOMIOPORTRANGE) iomIOPortGetRange(PIOM pIOM, RTIOPORT Port)
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| 379 | {
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| 380 | CTXALLSUFF(PIOMIOPORTRANGE) pRange = (CTXALLSUFF(PIOMIOPORTRANGE))RTAvlroIOPortRangeGet(&pIOM->CTXSUFF(pTrees)->CTXALLSUFF(IOPortTree), Port);
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| 381 | return pRange;
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| 382 | }
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| 383 |
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| 384 | /**
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| 385 | * Gets the I/O port range for the specified I/O port in the HC.
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| 386 | *
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| 387 | * @returns Pointer to I/O port range.
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| 388 | * @returns NULL if no port registered.
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| 389 | *
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| 390 | * @param pIOM IOM instance data.
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| 391 | * @param Port Port to lookup.
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| 392 | */
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| 393 | inline PIOMIOPORTRANGER3 iomIOPortGetRangeHC(PIOM pIOM, RTIOPORT Port)
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| 394 | {
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| 395 | PIOMIOPORTRANGER3 pRange = (PIOMIOPORTRANGER3)RTAvlroIOPortRangeGet(&pIOM->CTXSUFF(pTrees)->IOPortTreeR3, Port);
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| 396 | return pRange;
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| 397 | }
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| 398 |
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| 399 |
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| 400 | /**
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| 401 | * Gets the MMIO range for the specified physical address in the current context.
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| 402 | *
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| 403 | * @returns Pointer to MMIO range.
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| 404 | * @returns NULL if address not in a MMIO range.
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| 405 | *
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| 406 | * @param pIOM IOM instance data.
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| 407 | * @param GCPhys Physical address to lookup.
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| 408 | */
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| 409 | inline CTXALLSUFF(PIOMMMIORANGE) iomMMIOGetRange(PIOM pIOM, RTGCPHYS GCPhys)
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| 410 | {
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| 411 | CTXALLSUFF(PIOMMMIORANGE) pRange = (CTXALLSUFF(PIOMMMIORANGE))RTAvlroGCPhysRangeGet(&pIOM->CTXSUFF(pTrees)->CTXALLSUFF(MMIOTree), GCPhys);
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| 412 | return pRange;
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| 413 | }
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| 414 |
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| 415 |
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| 416 | /**
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| 417 | * Gets the MMIO range for the specified physical address in the current context.
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| 418 | *
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| 419 | * @returns Pointer to MMIO range.
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| 420 | * @returns NULL if address not in a MMIO range.
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| 421 | *
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| 422 | * @param pIOM IOM instance data.
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| 423 | * @param GCPhys Physical address to lookup.
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| 424 | */
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| 425 | inline PIOMMMIORANGER3 iomMMIOGetRangeHC(PIOM pIOM, RTGCPHYS GCPhys)
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| 426 | {
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| 427 | PIOMMMIORANGER3 pRange = (PIOMMMIORANGER3)RTAvlroGCPhysRangeGet(&pIOM->CTXSUFF(pTrees)->MMIOTreeR3, GCPhys);
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| 428 | return pRange;
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| 429 | }
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| 430 |
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| 431 | #ifdef VBOX_WITH_STATISTICS
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| 432 | /**
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| 433 | * Gets the MMIO statistics record.
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| 434 | * @returns Pointer to MMIO stats.
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| 435 | * @returns NULL if not found.
|
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| 436 | *
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| 437 | * @param pIOM IOM instance data.
|
|---|
| 438 | * @param GCPhys Physical address to lookup.
|
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| 439 | */
|
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| 440 | inline PIOMMMIOSTATS iomMMIOGetStats(PIOM pIOM, RTGCPHYS GCPhys)
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| 441 | {
|
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| 442 | PIOMMMIOSTATS pStats = (PIOMMMIOSTATS)RTAvloGCPhysGet(&pIOM->CTXSUFF(pTrees)->MMIOStatTree, GCPhys);
|
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| 443 | return pStats;
|
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| 444 | }
|
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| 445 | #endif
|
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| 446 |
|
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| 447 | __END_DECLS
|
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| 448 |
|
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| 449 | #ifdef IN_RING3
|
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| 450 |
|
|---|
| 451 | #endif
|
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| 452 |
|
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| 453 | /** @} */
|
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| 454 |
|
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| 455 | #endif /* __IOMInternal_h__ */
|
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