[3830] | 1 | /** @file
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[4013] | 2 | * PDM - Pluggable Device Manager, Core API.
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[5031] | 3 | *
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| 4 | * The 'Core API' has been put in a different header because everyone
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[4013] | 5 | * is currently including pdm.h. So, pdm.h is for including all of the
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| 6 | * PDM stuff, while pdmapi.h is for the core stuff.
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[1] | 7 | */
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| 8 |
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| 9 | /*
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[2981] | 10 | * Copyright (C) 2006-2007 innotek GmbH
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[1] | 11 | *
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| 12 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 13 | * available from http://www.virtualbox.org. This file is free software;
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| 14 | * you can redistribute it and/or modify it under the terms of the GNU
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[5999] | 15 | * General Public License (GPL) as published by the Free Software
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| 16 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 17 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 18 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 19 | *
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| 20 | * The contents of this file may alternatively be used under the terms
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| 21 | * of the Common Development and Distribution License Version 1.0
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| 22 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 23 | * VirtualBox OSE distribution, in which case the provisions of the
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| 24 | * CDDL are applicable instead of those of the GPL.
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| 25 | *
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| 26 | * You may elect to license modified versions of this file under the
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| 27 | * terms and conditions of either the GPL or the CDDL or both.
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[1] | 28 | */
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| 29 |
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[4013] | 30 | #ifndef ___VBox_pdmapi_h
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| 31 | #define ___VBox_pdmapi_h
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[1] | 32 |
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[4013] | 33 | #include <VBox/types.h>
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[1] | 34 |
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| 35 | __BEGIN_DECLS
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| 36 |
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| 37 | /** @defgroup grp_pdm The Pluggable Device Manager API
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| 38 | * @{
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| 39 | */
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| 40 |
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| 41 | /**
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| 42 | * Gets the pending interrupt.
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| 43 | *
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| 44 | * @returns VBox status code.
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| 45 | * @param pVM VM handle.
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| 46 | * @param pu8Interrupt Where to store the interrupt on success.
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| 47 | */
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| 48 | PDMDECL(int) PDMGetInterrupt(PVM pVM, uint8_t *pu8Interrupt);
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| 49 |
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| 50 | /**
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| 51 | * Sets the pending ISA interrupt.
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| 52 | *
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| 53 | * @returns VBox status code.
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| 54 | * @param pVM VM handle.
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| 55 | * @param u8Irq The IRQ line.
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[2538] | 56 | * @param u8Level The new level. See the PDM_IRQ_LEVEL_* \#defines.
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[1] | 57 | */
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| 58 | PDMDECL(int) PDMIsaSetIrq(PVM pVM, uint8_t u8Irq, uint8_t u8Level);
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| 59 |
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| 60 | /**
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| 61 | * Sets the pending I/O APIC interrupt.
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| 62 | *
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| 63 | * @returns VBox status code.
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| 64 | * @param pVM VM handle.
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| 65 | * @param u8Irq The IRQ line.
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[2538] | 66 | * @param u8Level The new level. See the PDM_IRQ_LEVEL_* \#defines.
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[1] | 67 | */
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| 68 | PDMDECL(int) PDMIoApicSetIrq(PVM pVM, uint8_t u8Irq, uint8_t u8Level);
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| 69 |
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| 70 | /**
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| 71 | * Set the APIC base.
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| 72 | *
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| 73 | * @returns VBox status code.
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| 74 | * @param pVM VM handle.
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| 75 | * @param u64Base The new base.
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| 76 | */
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| 77 | PDMDECL(int) PDMApicSetBase(PVM pVM, uint64_t u64Base);
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| 78 |
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| 79 | /**
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| 80 | * Get the APIC base.
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| 81 | *
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| 82 | * @returns VBox status code.
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| 83 | * @param pVM VM handle.
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| 84 | * @param pu64Base Where to store the APIC base.
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| 85 | */
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| 86 | PDMDECL(int) PDMApicGetBase(PVM pVM, uint64_t *pu64Base);
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| 87 |
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| 88 | /**
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| 89 | * Set the TPR (task priority register?).
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| 90 | *
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| 91 | * @returns VBox status code.
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| 92 | * @param pVM VM handle.
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| 93 | * @param u8TPR The new TPR.
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| 94 | */
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| 95 | PDMDECL(int) PDMApicSetTPR(PVM pVM, uint8_t u8TPR);
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| 96 |
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| 97 | /**
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| 98 | * Get the TPR (task priority register?).
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| 99 | *
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| 100 | * @returns The current TPR.
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| 101 | * @param pVM VM handle.
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| 102 | * @param pu8TPR Where to store the TRP.
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| 103 | */
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| 104 | PDMDECL(int) PDMApicGetTPR(PVM pVM, uint8_t *pu8TPR);
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| 105 |
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| 106 |
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| 107 | #ifdef IN_RING3
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| 108 | /** @defgroup grp_pdm_r3 The PDM Host Context Ring-3 API
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| 109 | * @ingroup grp_pdm
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| 110 | * @{
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| 111 | */
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| 112 |
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[6796] | 113 | PDMR3DECL(int) PDMR3InitUVM(PUVM pUVM);
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| 114 | PDMR3DECL(int) PDMR3LdrLoadVMMR0U(PUVM pUVM);
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[5031] | 115 |
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[1] | 116 | /**
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| 117 | * Initializes the PDM.
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| 118 | *
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| 119 | * @returns VBox status code.
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| 120 | * @param pVM The VM to operate on.
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| 121 | */
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| 122 | PDMR3DECL(int) PDMR3Init(PVM pVM);
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| 123 |
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| 124 | /**
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| 125 | * This function will notify all the devices and their
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| 126 | * attached drivers about the VM now being powered on.
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| 127 | *
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| 128 | * @param pVM VM Handle.
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| 129 | */
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| 130 | PDMR3DECL(void) PDMR3PowerOn(PVM pVM);
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| 131 |
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| 132 | /**
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| 133 | * This function will notify all the devices and their
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| 134 | * attached drivers about the VM now being reset.
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| 135 | *
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| 136 | * @param pVM VM Handle.
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| 137 | */
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| 138 | PDMR3DECL(void) PDMR3Reset(PVM pVM);
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| 139 |
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| 140 | /**
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| 141 | * This function will notify all the devices and their
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[628] | 142 | * attached drivers about the VM now being suspended.
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[1] | 143 | *
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| 144 | * @param pVM VM Handle.
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| 145 | */
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| 146 | PDMR3DECL(void) PDMR3Suspend(PVM pVM);
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| 147 |
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| 148 | /**
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| 149 | * This function will notify all the devices and their
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| 150 | * attached drivers about the VM now being resumed.
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| 151 | *
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| 152 | * @param pVM VM Handle.
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| 153 | */
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| 154 | PDMR3DECL(void) PDMR3Resume(PVM pVM);
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| 155 |
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| 156 | /**
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| 157 | * This function will notify all the devices and their
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| 158 | * attached drivers about the VM being powered off.
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| 159 | *
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| 160 | * @param pVM VM Handle.
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| 161 | */
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| 162 | PDMR3DECL(void) PDMR3PowerOff(PVM pVM);
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| 163 |
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| 164 |
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| 165 | /**
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| 166 | * Applies relocations to GC modules.
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| 167 | *
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| 168 | * This must be done very early in the relocation
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| 169 | * process so that components can resolve GC symbols during relocation.
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| 170 | *
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[6796] | 171 | * @param pUVM Pointer to the user mode VM structure.
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[1] | 172 | * @param offDelta Relocation delta relative to old location.
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| 173 | */
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[6796] | 174 | PDMR3DECL(void) PDMR3LdrRelocateU(PUVM pUVM, RTGCINTPTR offDelta);
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[1] | 175 |
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| 176 | /**
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| 177 | * Applies relocations to data and code managed by this
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| 178 | * component. This function will be called at init and
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| 179 | * whenever the VMM need to relocate it self inside the GC.
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| 180 | *
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| 181 | * @param pVM VM handle.
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| 182 | * @param offDelta Relocation delta relative to old location.
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| 183 | */
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| 184 | PDMR3DECL(void) PDMR3Relocate(PVM pVM, RTGCINTPTR offDelta);
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| 185 |
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| 186 | /**
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| 187 | * Terminates the PDM.
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| 188 | *
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| 189 | * Termination means cleaning up and freeing all resources,
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| 190 | * the VM it self is at this point powered off or suspended.
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| 191 | *
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| 192 | * @returns VBox status code.
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| 193 | * @param pVM The VM to operate on.
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| 194 | */
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| 195 | PDMR3DECL(int) PDMR3Term(PVM pVM);
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[6796] | 196 | PDMR3DECL(void) PDMR3TermUVM(PUVM pUVM);
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[1] | 197 |
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| 198 |
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| 199 | /**
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| 200 | * Get the address of a symbol in a given HC ring-3 module.
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| 201 | *
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| 202 | * @returns VBox status code.
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| 203 | * @param pVM VM handle.
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| 204 | * @param pszModule Module name.
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| 205 | * @param pszSymbol Symbol name. If it's value is less than 64k it's treated like a
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| 206 | * ordinal value rather than a string pointer.
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| 207 | * @param ppvValue Where to store the symbol value.
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| 208 | */
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| 209 | PDMR3DECL(int) PDMR3GetSymbolR3(PVM pVM, const char *pszModule, const char *pszSymbol, void **ppvValue);
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| 210 |
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| 211 | /**
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| 212 | * Get the address of a symbol in a given HC ring-0 module.
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| 213 | *
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| 214 | * @returns VBox status code.
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| 215 | * @param pVM VM handle.
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| 216 | * @param pszModule Module name. If NULL the main R0 module (VMMR0.r0) is assumed.
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| 217 | * @param pszSymbol Symbol name. If it's value is less than 64k it's treated like a
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| 218 | * ordinal value rather than a string pointer.
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| 219 | * @param ppvValue Where to store the symbol value.
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| 220 | */
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[2291] | 221 | PDMR3DECL(int) PDMR3GetSymbolR0(PVM pVM, const char *pszModule, const char *pszSymbol, PRTR0PTR ppvValue);
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[1] | 222 |
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| 223 | /**
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| 224 | * Same as PDMR3GetSymbolR0 except that the module will be attempted loaded if not found.
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| 225 | *
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| 226 | * @returns VBox status code.
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| 227 | * @param pVM VM handle.
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| 228 | * @param pszModule Module name. If NULL the main R0 module (VMMR0.r0) is assumed.
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| 229 | * @param pszSymbol Symbol name. If it's value is less than 64k it's treated like a
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| 230 | * ordinal value rather than a string pointer.
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| 231 | * @param ppvValue Where to store the symbol value.
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| 232 | */
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[2291] | 233 | PDMR3DECL(int) PDMR3GetSymbolR0Lazy(PVM pVM, const char *pszModule, const char *pszSymbol, PRTR0PTR ppvValue);
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[1] | 234 |
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| 235 | /**
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| 236 | * Loads a module into the guest context (i.e. into the Hypervisor memory region).
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| 237 | *
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| 238 | * The external (to PDM) use of this interface is to load VMMGC.gc.
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| 239 | *
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| 240 | * @returns VBox status code.
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| 241 | * @param pVM The VM to load it into.
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| 242 | * @param pszFilename Filename of the module binary.
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| 243 | * @param pszName Module name. Case sensitive and the length is limited!
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| 244 | */
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| 245 | PDMR3DECL(int) PDMR3LoadGC(PVM pVM, const char *pszFilename, const char *pszName);
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| 246 |
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| 247 | /**
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| 248 | * Get the address of a symbol in a given GC module.
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| 249 | *
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| 250 | * @returns VBox status code.
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| 251 | * @param pVM VM handle.
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| 252 | * @param pszModule Module name. If NULL the main GC module (VMMGC.gc) is assumed.
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| 253 | * @param pszSymbol Symbol name. If it's value is less than 64k it's treated like a
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| 254 | * ordinal value rather than a string pointer.
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| 255 | * @param pGCPtrValue Where to store the symbol value.
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| 256 | */
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| 257 | PDMR3DECL(int) PDMR3GetSymbolGC(PVM pVM, const char *pszModule, const char *pszSymbol, PRTGCPTR pGCPtrValue);
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| 258 |
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| 259 | /**
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| 260 | * Same as PDMR3GetSymbolGC except that the module will be attempted loaded if not found.
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| 261 | *
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| 262 | * @returns VBox status code.
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| 263 | * @param pVM VM handle.
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| 264 | * @param pszModule Module name. If NULL the main GC module (VMMGC.gc) is assumed.
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| 265 | * @param pszSymbol Symbol name. If it's value is less than 64k it's treated like a
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| 266 | * ordinal value rather than a string pointer.
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| 267 | * @param pGCPtrValue Where to store the symbol value.
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| 268 | */
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| 269 | PDMR3DECL(int) PDMR3GetSymbolGCLazy(PVM pVM, const char *pszModule, const char *pszSymbol, PRTGCPTR pGCPtrValue);
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| 270 |
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| 271 | /**
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| 272 | * Queries module information from an EIP.
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| 273 | *
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| 274 | * This is typically used to locate a crash address.
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| 275 | *
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| 276 | * @returns VBox status code.
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| 277 | * @param pVM VM handle
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| 278 | * @param uEIP EIP to locate.
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| 279 | * @param pszModName Where to store the module name.
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| 280 | * @param cchModName Size of the module name buffer.
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| 281 | * @param pMod Base address of the module.
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| 282 | * @param pszNearSym1 Name of the closes symbol from below.
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| 283 | * @param cchNearSym1 Size of the buffer pointed to by pszNearSym1.
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| 284 | * @param pNearSym1 The address of pszNearSym1.
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| 285 | * @param pszNearSym2 Name of the closes symbol from below.
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| 286 | * @param cchNearSym2 Size of the buffer pointed to by pszNearSym2.
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| 287 | * @param pNearSym2 The address of pszNearSym2.
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| 288 | */
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| 289 | PDMR3DECL(int) PDMR3QueryModFromEIP(PVM pVM, uint32_t uEIP,
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| 290 | char *pszModName, unsigned cchModName, RTGCPTR *pMod,
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| 291 | char *pszNearSym1, unsigned cchNearSym1, RTGCPTR *pNearSym1,
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| 292 | char *pszNearSym2, unsigned cchNearSym2, RTGCPTR *pNearSym2);
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| 293 |
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| 294 |
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| 295 | /**
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| 296 | * Module enumeration callback function.
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| 297 | *
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| 298 | * @returns VBox status.
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| 299 | * Failure will stop the search and return the return code.
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| 300 | * Warnings will be ignored and not returned.
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| 301 | * @param pVM VM Handle.
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| 302 | * @param pszFilename Module filename.
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| 303 | * @param pszName Module name. (short and unique)
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| 304 | * @param ImageBase Address where to executable image is loaded.
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| 305 | * @param cbImage Size of the executable image.
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| 306 | * @param fGC Set if guest context, clear if host context.
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| 307 | * @param pvArg User argument.
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| 308 | */
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| 309 | typedef DECLCALLBACK(int) FNPDMR3ENUM(PVM pVM, const char *pszFilename, const char *pszName, RTUINTPTR ImageBase, size_t cbImage, bool fGC);
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| 310 | /** Pointer to a FNPDMR3ENUM() function. */
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| 311 | typedef FNPDMR3ENUM *PFNPDMR3ENUM;
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| 312 |
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| 313 |
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| 314 | /**
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| 315 | * Enumerate all PDM modules.
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| 316 | *
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| 317 | * @returns VBox status.
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| 318 | * @param pVM VM Handle.
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| 319 | * @param pfnCallback Function to call back for each of the modules.
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| 320 | * @param pvArg User argument.
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| 321 | */
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| 322 | PDMR3DECL(int) PDMR3EnumModules(PVM pVM, PFNPDMR3ENUM pfnCallback, void *pvArg);
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| 323 |
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| 324 |
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| 325 | /**
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| 326 | * Queries the base interace of a device instance.
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| 327 | *
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| 328 | * The caller can use this to query other interfaces the device implements
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| 329 | * and use them to talk to the device.
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| 330 | *
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| 331 | * @returns VBox status code.
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| 332 | * @param pVM VM handle.
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| 333 | * @param pszDevice Device name.
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| 334 | * @param iInstance Device instance.
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| 335 | * @param ppBase Where to store the pointer to the base device interface on success.
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[3852] | 336 | * @remark We're not doing any locking ATM, so don't try call this at times when the
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[1] | 337 | * device chain is known to be updated.
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| 338 | */
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[4013] | 339 | PDMR3DECL(int) PDMR3QueryDevice(PVM pVM, const char *pszDevice, unsigned iInstance, PPPDMIBASE ppBase);
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[1] | 340 |
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| 341 | /**
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| 342 | * Queries the base interface of a device LUN.
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| 343 | *
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| 344 | * This differs from PDMR3QueryLun by that it returns the interface on the
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| 345 | * device and not the top level driver.
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| 346 | *
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| 347 | * @returns VBox status code.
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| 348 | * @param pVM VM Handle.
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| 349 | * @param pszDevice Device name.
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| 350 | * @param iInstance Device instance.
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| 351 | * @param iLun The Logical Unit to obtain the interface of.
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| 352 | * @param ppBase Where to store the base interface pointer.
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[3852] | 353 | * @remark We're not doing any locking ATM, so don't try call this at times when the
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[1] | 354 | * device chain is known to be updated.
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| 355 | */
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[4013] | 356 | PDMR3DECL(int) PDMR3QueryDeviceLun(PVM pVM, const char *pszDevice, unsigned iInstance, unsigned iLun, PPPDMIBASE ppBase);
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[1] | 357 |
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| 358 | /**
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| 359 | * Query the interface of the top level driver on a LUN.
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| 360 | *
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| 361 | * @returns VBox status code.
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| 362 | * @param pVM VM Handle.
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| 363 | * @param pszDevice Device name.
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| 364 | * @param iInstance Device instance.
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| 365 | * @param iLun The Logical Unit to obtain the interface of.
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| 366 | * @param ppBase Where to store the base interface pointer.
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[3852] | 367 | * @remark We're not doing any locking ATM, so don't try call this at times when the
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[1] | 368 | * device chain is known to be updated.
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| 369 | */
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[4013] | 370 | PDMR3DECL(int) PDMR3QueryLun(PVM pVM, const char *pszDevice, unsigned iInstance, unsigned iLun, PPPDMIBASE ppBase);
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[1] | 371 |
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| 372 | /**
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| 373 | * Attaches a preconfigured driver to an existing device instance.
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| 374 | *
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| 375 | * This is used to change drivers and suchlike at runtime.
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| 376 | *
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| 377 | * @returns VBox status code.
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| 378 | * @param pVM VM Handle.
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| 379 | * @param pszDevice Device name.
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| 380 | * @param iInstance Device instance.
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| 381 | * @param iLun The Logical Unit to obtain the interface of.
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| 382 | * @param ppBase Where to store the base interface pointer. Optional.
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| 383 | * @thread EMT
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| 384 | */
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[4013] | 385 | PDMR3DECL(int) PDMR3DeviceAttach(PVM pVM, const char *pszDevice, unsigned iInstance, unsigned iLun, PPPDMIBASE ppBase);
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[1] | 386 |
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| 387 | /**
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[5722] | 388 | * Detaches a driver chain from an existing device instance.
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[1] | 389 | *
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| 390 | * This is used to change drivers and suchlike at runtime.
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| 391 | *
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| 392 | * @returns VBox status code.
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| 393 | * @param pVM VM Handle.
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| 394 | * @param pszDevice Device name.
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| 395 | * @param iInstance Device instance.
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| 396 | * @param iLun The Logical Unit to obtain the interface of.
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| 397 | * @thread EMT
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| 398 | */
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| 399 | PDMR3DECL(int) PDMR3DeviceDetach(PVM pVM, const char *pszDevice, unsigned iInstance, unsigned iLun);
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| 400 |
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| 401 | /**
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| 402 | * Executes pending DMA transfers.
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| 403 | * Forced Action handler.
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| 404 | *
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| 405 | * @param pVM VM handle.
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| 406 | */
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| 407 | PDMR3DECL(void) PDMR3DmaRun(PVM pVM);
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| 408 |
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| 409 | /**
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| 410 | * Call polling function.
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| 411 | *
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| 412 | * @param pVM VM handle.
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| 413 | */
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| 414 | PDMR3DECL(void) PDMR3Poll(PVM pVM);
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| 415 |
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| 416 | /**
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[1476] | 417 | * Service a VMMCALLHOST_PDM_LOCK call.
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[1] | 418 | *
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| 419 | * @returns VBox status code.
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| 420 | * @param pVM The VM handle.
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| 421 | */
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| 422 | PDMR3DECL(int) PDMR3LockCall(PVM pVM);
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| 423 |
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| 424 | /** @} */
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| 425 | #endif
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| 426 |
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| 427 |
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| 428 | #ifdef IN_GC
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| 429 | /** @defgroup grp_pdm_gc The PDM Guest Context API
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| 430 | * @ingroup grp_pdm
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| 431 | * @{
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| 432 | */
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| 433 | /** @} */
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| 434 | #endif
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| 435 |
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| 436 | __END_DECLS
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| 437 |
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| 438 | /** @} */
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| 439 |
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| 440 | #endif
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| 441 |
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