1 | /* $Id: VM.cpp 11473 2008-08-19 07:31:58Z vboxsync $ */
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2 | /** @file
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3 | * VM - Virtual Machine
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | *
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17 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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18 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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19 | * additional information or have any questions.
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20 | */
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21 |
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22 |
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23 | /*******************************************************************************
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24 | * Header Files *
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25 | *******************************************************************************/
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26 | #define LOG_GROUP LOG_GROUP_VM
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27 | #include <VBox/cfgm.h>
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28 | #include <VBox/vmm.h>
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29 | #include <VBox/gvmm.h>
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30 | #include <VBox/mm.h>
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31 | #include <VBox/cpum.h>
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32 | #include <VBox/selm.h>
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33 | #include <VBox/trpm.h>
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34 | #include <VBox/dbgf.h>
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35 | #include <VBox/pgm.h>
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36 | #include <VBox/pdmapi.h>
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37 | #include <VBox/pdmcritsect.h>
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38 | #include <VBox/em.h>
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39 | #include <VBox/rem.h>
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40 | #include <VBox/tm.h>
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41 | #include <VBox/stam.h>
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42 | #include <VBox/patm.h>
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43 | #include <VBox/csam.h>
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44 | #include <VBox/iom.h>
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45 | #include <VBox/ssm.h>
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46 | #include <VBox/hwaccm.h>
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47 | #include "VMInternal.h"
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48 | #include <VBox/vm.h>
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49 | #include <VBox/uvm.h>
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50 |
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51 | #include <VBox/sup.h>
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52 | #include <VBox/dbg.h>
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53 | #include <VBox/err.h>
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54 | #include <VBox/param.h>
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55 | #include <VBox/log.h>
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56 | #include <iprt/assert.h>
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57 | #include <iprt/alloc.h>
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58 | #include <iprt/asm.h>
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59 | #include <iprt/env.h>
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60 | #include <iprt/string.h>
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61 | #include <iprt/time.h>
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62 | #include <iprt/semaphore.h>
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63 | #include <iprt/thread.h>
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64 |
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65 |
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66 | /*******************************************************************************
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67 | * Structures and Typedefs *
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68 | *******************************************************************************/
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69 | /**
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70 | * VM destruction callback registration record.
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71 | */
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72 | typedef struct VMATDTOR
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73 | {
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74 | /** Pointer to the next record in the list. */
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75 | struct VMATDTOR *pNext;
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76 | /** Pointer to the callback function. */
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77 | PFNVMATDTOR pfnAtDtor;
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78 | /** The user argument. */
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79 | void *pvUser;
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80 | } VMATDTOR;
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81 | /** Pointer to a VM destruction callback registration record. */
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82 | typedef VMATDTOR *PVMATDTOR;
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83 |
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84 |
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85 | /*******************************************************************************
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86 | * Global Variables *
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87 | *******************************************************************************/
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88 | /** Pointer to the list of VMs. */
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89 | static PUVM g_pUVMsHead = NULL;
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90 |
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91 | /** Pointer to the list of at VM destruction callbacks. */
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92 | static PVMATDTOR g_pVMAtDtorHead = NULL;
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93 | /** Lock the g_pVMAtDtorHead list. */
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94 | #define VM_ATDTOR_LOCK() do { } while (0)
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95 | /** Unlock the g_pVMAtDtorHead list. */
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96 | #define VM_ATDTOR_UNLOCK() do { } while (0)
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97 |
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98 |
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99 | /*******************************************************************************
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100 | * Internal Functions *
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101 | *******************************************************************************/
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102 | static int vmR3CreateUVM(PUVM *ppUVM);
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103 | static int vmR3CreateU(PUVM pUVM, PFNCFGMCONSTRUCTOR pfnCFGMConstructor, void *pvUserCFGM);
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104 | static int vmR3InitRing3(PVM pVM, PUVM pUVM);
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105 | static int vmR3InitRing0(PVM pVM);
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106 | static int vmR3InitGC(PVM pVM);
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107 | static int vmR3InitDoCompleted(PVM pVM, VMINITCOMPLETED enmWhat);
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108 | static DECLCALLBACK(int) vmR3PowerOn(PVM pVM);
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109 | static DECLCALLBACK(int) vmR3Suspend(PVM pVM);
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110 | static DECLCALLBACK(int) vmR3Resume(PVM pVM);
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111 | static DECLCALLBACK(int) vmR3Save(PVM pVM, const char *pszFilename, PFNVMPROGRESS pfnProgress, void *pvUser);
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112 | static DECLCALLBACK(int) vmR3Load(PVM pVM, const char *pszFilename, PFNVMPROGRESS pfnProgress, void *pvUser);
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113 | static DECLCALLBACK(int) vmR3PowerOff(PVM pVM);
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114 | static void vmR3DestroyUVM(PUVM pUVM);
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115 | static void vmR3AtDtor(PVM pVM);
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116 | static int vmR3AtResetU(PUVM pUVM);
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117 | static DECLCALLBACK(int) vmR3Reset(PVM pVM);
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118 | static DECLCALLBACK(int) vmR3AtStateRegisterU(PUVM pUVM, PFNVMATSTATE pfnAtState, void *pvUser);
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119 | static DECLCALLBACK(int) vmR3AtStateDeregisterU(PUVM pUVM, PFNVMATSTATE pfnAtState, void *pvUser);
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120 | static DECLCALLBACK(int) vmR3AtErrorRegisterU(PUVM pUVM, PFNVMATERROR pfnAtError, void *pvUser);
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121 | static DECLCALLBACK(int) vmR3AtErrorDeregisterU(PUVM pUVM, PFNVMATERROR pfnAtError, void *pvUser);
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122 | static int vmR3SetErrorU(PUVM pUVM, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...);
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123 | static DECLCALLBACK(int) vmR3AtRuntimeErrorRegisterU(PUVM pUVM, PFNVMATRUNTIMEERROR pfnAtRuntimeError, void *pvUser);
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124 | static DECLCALLBACK(int) vmR3AtRuntimeErrorDeregisterU(PUVM pUVM, PFNVMATRUNTIMEERROR pfnAtRuntimeError, void *pvUser);
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125 |
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126 |
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127 | /**
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128 | * Do global VMM init.
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129 | *
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130 | * @returns VBox status code.
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131 | */
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132 | VMR3DECL(int) VMR3GlobalInit(void)
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133 | {
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134 | /*
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135 | * Only once.
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136 | */
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137 | static bool volatile s_fDone = false;
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138 | if (s_fDone)
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139 | return VINF_SUCCESS;
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140 |
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141 | /*
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142 | * We're done.
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143 | */
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144 | s_fDone = true;
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145 | return VINF_SUCCESS;
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146 | }
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147 |
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148 |
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149 |
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150 | /**
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151 | * Creates a virtual machine by calling the supplied configuration constructor.
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152 | *
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153 | * On successful returned the VM is powered, i.e. VMR3PowerOn() should be
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154 | * called to start the execution.
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155 | *
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156 | * @returns 0 on success.
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157 | * @returns VBox error code on failure.
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158 | * @param pfnVMAtError Pointer to callback function for setting VM errors.
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159 | * This is called in the EM.
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160 | * @param pvUserVM The user argument passed to pfnVMAtError.
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161 | * @param pfnCFGMConstructor Pointer to callback function for constructing the VM configuration tree.
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162 | * This is called in the EM.
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163 | * @param pvUserCFGM The user argument passed to pfnCFGMConstructor.
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164 | * @param ppVM Where to store the 'handle' of the created VM.
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165 | */
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166 | VMR3DECL(int) VMR3Create(PFNVMATERROR pfnVMAtError, void *pvUserVM, PFNCFGMCONSTRUCTOR pfnCFGMConstructor, void *pvUserCFGM, PVM *ppVM)
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167 | {
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168 | LogFlow(("VMR3Create: pfnVMAtError=%p pvUserVM=%p pfnCFGMConstructor=%p pvUserCFGM=%p ppVM=%p\n", pfnVMAtError, pvUserVM, pfnCFGMConstructor, pvUserCFGM, ppVM));
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169 |
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170 | /*
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171 | * Because of the current hackiness of the applications
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172 | * we'll have to initialize global stuff from here.
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173 | * Later the applications will take care of this in a proper way.
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174 | */
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175 | static bool fGlobalInitDone = false;
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176 | if (!fGlobalInitDone)
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177 | {
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178 | int rc = VMR3GlobalInit();
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179 | if (VBOX_FAILURE(rc))
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180 | return rc;
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181 | fGlobalInitDone = true;
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182 | }
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183 |
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184 | /*
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185 | * Create the UVM so we can register the at-error callback
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186 | * and consoliate a bit of cleanup code.
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187 | */
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188 | PUVM pUVM;
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189 | int rc = vmR3CreateUVM(&pUVM);
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190 | if (RT_FAILURE(rc))
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191 | return rc;
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192 | if (pfnVMAtError)
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193 | rc = VMR3AtErrorRegisterU(pUVM, pfnVMAtError, pvUserVM);
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194 | if (RT_SUCCESS(rc))
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195 | {
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196 | /*
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197 | * Initialize the support library creating the session for this v
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198 | */
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199 | rc = SUPInit(&pUVM->vm.s.pSession, 0);
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200 | if (RT_SUCCESS(rc))
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201 | {
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202 | /*
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203 | * Call vmR3CreateU in the EMT thread and wait for it to finish.
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204 | */
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205 | PVMREQ pReq;
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206 | rc = VMR3ReqCallU(pUVM, &pReq, RT_INDEFINITE_WAIT, 0, (PFNRT)vmR3CreateU,
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207 | 3, pUVM, pfnCFGMConstructor, pvUserCFGM);
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208 | if (RT_SUCCESS(rc))
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209 | {
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210 | rc = pReq->iStatus;
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211 | VMR3ReqFree(pReq);
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212 | if (RT_SUCCESS(rc))
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213 | {
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214 | /*
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215 | * Success!
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216 | */
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217 | *ppVM = pUVM->pVM;
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218 | LogFlow(("VMR3Create: returns VINF_SUCCESS *ppVM=%p\n", *ppVM));
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219 | return VINF_SUCCESS;
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220 | }
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221 | }
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222 | else
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223 | AssertMsgFailed(("VMR3ReqCall failed rc=%Vrc\n", rc));
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224 |
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225 | /*
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226 | * An error occurred during VM creation. Set the error message directly
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227 | * using the initial callback, as the callback list doesn't exist yet.
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228 | */
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229 | const char *pszError = NULL;
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230 | switch (rc)
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231 | {
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232 | case VERR_VMX_IN_VMX_ROOT_MODE:
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233 | #ifdef RT_OS_LINUX
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234 | pszError = N_("VirtualBox can't operate in VMX root mode. "
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235 | "Please disable the KVM kernel extension, recompile your kernel and reboot");
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236 | #else
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237 | pszError = N_("VirtualBox can't operate in VMX root mode");
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238 | #endif
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239 | break;
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240 |
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241 | default:
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242 | pszError = N_("Unknown error creating VM");
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243 | break;
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244 | }
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245 | vmR3SetErrorU(pUVM, rc, RT_SRC_POS, pszError, rc);
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246 | }
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247 | else
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248 | {
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249 | /*
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250 | * An error occurred at support library initialization time (before the
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251 | * VM could be created). Set the error message directly using the
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252 | * initial callback, as the callback list doesn't exist yet.
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253 | */
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254 | const char *pszError;
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255 | switch (rc)
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256 | {
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257 | case VERR_VM_DRIVER_LOAD_ERROR:
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258 | #ifdef RT_OS_LINUX
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259 | pszError = N_("VirtualBox kernel driver not loaded. The vboxdrv kernel module "
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260 | "was either not loaded or /dev/vboxdrv is not set up properly. "
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261 | "Re-setup the kernel module by executing "
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262 | "'/etc/init.d/vboxdrv setup' as root");
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263 | #else
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264 | pszError = N_("VirtualBox kernel driver not loaded");
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265 | #endif
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266 | break;
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267 | case VERR_VM_DRIVER_OPEN_ERROR:
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268 | pszError = N_("VirtualBox kernel driver cannot be opened");
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269 | break;
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270 | case VERR_VM_DRIVER_NOT_ACCESSIBLE:
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271 | #ifdef RT_OS_LINUX
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272 | pszError = N_("The VirtualBox kernel driver is not accessible to the current "
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273 | "user. Make sure that the user has write permissions for "
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274 | "/dev/vboxdrv by adding them to the vboxusers groups. You "
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275 | "will need to logout for the change to take effect.");
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276 | #else
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277 | pszError = N_("VirtualBox kernel driver not accessible, permission problem");
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278 | #endif
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279 | break;
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280 | case VERR_VM_DRIVER_NOT_INSTALLED:
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281 | #ifdef RT_OS_LINUX
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282 | pszError = N_("VirtualBox kernel driver not installed. The vboxdrv kernel module "
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283 | "was either not loaded or /dev/vboxdrv was not created for some "
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284 | "reason. Re-setup the kernel module by executing "
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285 | "'/etc/init.d/vboxdrv setup' as root");
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286 | #else
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287 | pszError = N_("VirtualBox kernel driver not installed");
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288 | #endif
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289 | break;
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290 | case VERR_NO_MEMORY:
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291 | pszError = N_("VirtualBox support library out of memory");
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292 | break;
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293 | case VERR_VERSION_MISMATCH:
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294 | case VERR_VM_DRIVER_VERSION_MISMATCH:
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295 | pszError = N_("The VirtualBox support driver which is running is from a different "
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296 | "version of VirtualBox. You can correct this by stopping all "
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297 | "running instances of VirtualBox and reinstalling the software.");
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298 | break;
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299 | default:
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300 | pszError = N_("Unknown error initializing kernel driver");
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301 | AssertMsgFailed(("Add error message for rc=%d (%Vrc)\n", rc, rc));
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302 | }
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303 | vmR3SetErrorU(pUVM, rc, RT_SRC_POS, pszError, rc);
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304 | }
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305 | }
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306 |
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307 | /* cleanup */
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308 | vmR3DestroyUVM(pUVM);
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309 | LogFlow(("VMR3Create: returns %Vrc\n", rc));
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310 | return rc;
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311 | }
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312 |
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313 |
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314 | /**
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315 | * Creates the UVM.
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316 | *
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317 | * This will not initialize the support library even if vmR3DestroyUVM
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318 | * will terminate that.
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319 | *
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320 | * @returns VBox status code.
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321 | * @param ppUVM Where to store the UVM pointer.
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322 | */
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323 | static int vmR3CreateUVM(PUVM *ppUVM)
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324 | {
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325 | /*
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326 | * Create the UVM, initialize the fundamental stuff (VM+MMR3Heap+STAM)
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327 | * and start the emulation thread (EMT).
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328 | */
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329 | PUVM pUVM = (PUVM)RTMemAllocZ(sizeof(*pUVM));
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330 | AssertReturn(pUVM, VERR_NO_MEMORY);
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331 | pUVM->u32Magic = UVM_MAGIC;
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332 |
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333 | AssertCompile(sizeof(pUVM->vm.s) <= sizeof(pUVM->vm.padding));
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334 | AssertRelease(sizeof(pUVM->vm.s) <= sizeof(pUVM->vm.padding));
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335 |
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336 | pUVM->vm.s.ppAtResetNext = &pUVM->vm.s.pAtReset;
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337 | pUVM->vm.s.ppAtStateNext = &pUVM->vm.s.pAtState;
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338 | pUVM->vm.s.ppAtErrorNext = &pUVM->vm.s.pAtError;
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339 | pUVM->vm.s.ppAtRuntimeErrorNext = &pUVM->vm.s.pAtRuntimeError;
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340 | pUVM->vm.s.enmHaltMethod = VMHALTMETHOD_BOOTSTRAP;
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341 | int rc = RTSemEventCreate(&pUVM->vm.s.EventSemWait);
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342 | if (RT_SUCCESS(rc))
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343 | {
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344 | rc = STAMR3InitUVM(pUVM);
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345 | if (RT_SUCCESS(rc))
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346 | {
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347 | rc = MMR3InitUVM(pUVM);
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348 | if (RT_SUCCESS(rc))
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349 | {
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350 | rc = PDMR3InitUVM(pUVM);
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351 | if (RT_SUCCESS(rc))
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352 | {
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353 |
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354 | rc = RTThreadCreate(&pUVM->vm.s.ThreadEMT, vmR3EmulationThread, pUVM, _1M,
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355 | RTTHREADTYPE_EMULATION, RTTHREADFLAGS_WAITABLE, "EMT");
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356 | if (RT_SUCCESS(rc))
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357 | {
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358 | *ppUVM = pUVM;
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359 | return VINF_SUCCESS;
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360 | }
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361 |
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362 | /* bail out. */
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363 | PDMR3TermUVM(pUVM);
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364 | }
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365 | MMR3TermUVM(pUVM);
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366 | }
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367 | STAMR3TermUVM(pUVM);
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368 | }
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369 | RTSemEventDestroy(pUVM->vm.s.EventSemWait);
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370 | }
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371 | RTMemFree(pUVM);
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372 | return rc;
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373 | }
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374 |
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375 |
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376 | /**
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377 | * Creates and initializes the VM.
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378 | *
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379 | * @thread EMT
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380 | */
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381 | static int vmR3CreateU(PUVM pUVM, PFNCFGMCONSTRUCTOR pfnCFGMConstructor, void *pvUserCFGM)
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382 | {
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383 | int rc = VINF_SUCCESS;
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384 |
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385 | /*
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386 | * Load the VMMR0.r0 module so that we can call GVMMR0CreateVM.
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387 | */
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388 | rc = PDMR3LdrLoadVMMR0U(pUVM);
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389 | if (RT_FAILURE(rc))
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390 | {
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391 | /** @todo we need a cleaner solution for this (VERR_VMX_IN_VMX_ROOT_MODE).
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392 | * bird: what about moving the message down here? Main picks the first message, right? */
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393 | if (rc == VERR_VMX_IN_VMX_ROOT_MODE)
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394 | return rc; /* proper error message set later on */
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395 | return vmR3SetErrorU(pUVM, rc, RT_SRC_POS, N_("Failed to load VMMR0.r0"));
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396 | }
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397 |
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398 | /*
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399 | * Request GVMM to create a new VM for us.
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400 | */
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401 | GVMMCREATEVMREQ CreateVMReq;
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402 | CreateVMReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
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403 | CreateVMReq.Hdr.cbReq = sizeof(CreateVMReq);
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404 | CreateVMReq.pSession = pUVM->vm.s.pSession;
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405 | CreateVMReq.pVMR0 = NIL_RTR0PTR;
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406 | CreateVMReq.pVMR3 = NULL;
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407 | rc = SUPCallVMMR0Ex(NIL_RTR0PTR, VMMR0_DO_GVMM_CREATE_VM, 0, &CreateVMReq.Hdr);
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408 | if (RT_SUCCESS(rc))
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409 | {
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410 | PVM pVM = pUVM->pVM = CreateVMReq.pVMR3;
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411 | AssertRelease(VALID_PTR(pVM));
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412 | AssertRelease(pVM->pVMR0 == CreateVMReq.pVMR0);
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413 | AssertRelease(pVM->pSession == pUVM->vm.s.pSession);
|
---|
414 |
|
---|
415 | Log(("VMR3Create: Created pUVM=%p pVM=%p pVMR0=%p hSelf=%#x \n", pUVM, pVM, pVM->pVMR0, pVM->hSelf));
|
---|
416 |
|
---|
417 | /*
|
---|
418 | * Initialize the VM structure and our internal data (VMINT).
|
---|
419 | */
|
---|
420 | pVM->pUVM = pUVM;
|
---|
421 | pVM->ThreadEMT = pUVM->vm.s.ThreadEMT;
|
---|
422 | pVM->NativeThreadEMT = pUVM->vm.s.NativeThreadEMT;
|
---|
423 |
|
---|
424 | pVM->vm.s.offVM = RT_OFFSETOF(VM, vm.s);
|
---|
425 |
|
---|
426 | /*
|
---|
427 | * Init the configuration.
|
---|
428 | */
|
---|
429 | rc = CFGMR3Init(pVM, pfnCFGMConstructor, pvUserCFGM);
|
---|
430 | if (VBOX_SUCCESS(rc))
|
---|
431 | {
|
---|
432 | /*
|
---|
433 | * If executing in fake suplib mode disable RR3 and RR0 in the config.
|
---|
434 | */
|
---|
435 | const char *psz = RTEnvGet("VBOX_SUPLIB_FAKE");
|
---|
436 | if (psz && !strcmp(psz, "fake"))
|
---|
437 | {
|
---|
438 | CFGMR3RemoveValue(CFGMR3GetRoot(pVM), "RawR3Enabled");
|
---|
439 | CFGMR3InsertInteger(CFGMR3GetRoot(pVM), "RawR3Enabled", 0);
|
---|
440 | CFGMR3RemoveValue(CFGMR3GetRoot(pVM), "RawR0Enabled");
|
---|
441 | CFGMR3InsertInteger(CFGMR3GetRoot(pVM), "RawR0Enabled", 0);
|
---|
442 | }
|
---|
443 |
|
---|
444 | /*
|
---|
445 | * Init the Ring-3 components and do a round of relocations with 0 delta.
|
---|
446 | */
|
---|
447 | rc = vmR3InitRing3(pVM, pUVM);
|
---|
448 | if (VBOX_SUCCESS(rc))
|
---|
449 | {
|
---|
450 | VMR3Relocate(pVM, 0);
|
---|
451 | LogFlow(("Ring-3 init succeeded\n"));
|
---|
452 |
|
---|
453 | /*
|
---|
454 | * Init the Ring-0 components.
|
---|
455 | */
|
---|
456 | rc = vmR3InitRing0(pVM);
|
---|
457 | if (VBOX_SUCCESS(rc))
|
---|
458 | {
|
---|
459 | /* Relocate again, because some switcher fixups depends on R0 init results. */
|
---|
460 | VMR3Relocate(pVM, 0);
|
---|
461 |
|
---|
462 | #ifdef VBOX_WITH_DEBUGGER
|
---|
463 | /*
|
---|
464 | * Init the tcp debugger console if we're building
|
---|
465 | * with debugger support.
|
---|
466 | */
|
---|
467 | void *pvUser = NULL;
|
---|
468 | rc = DBGCTcpCreate(pVM, &pvUser);
|
---|
469 | if ( VBOX_SUCCESS(rc)
|
---|
470 | || rc == VERR_NET_ADDRESS_IN_USE)
|
---|
471 | {
|
---|
472 | pUVM->vm.s.pvDBGC = pvUser;
|
---|
473 | #endif
|
---|
474 | /*
|
---|
475 | * Init the Guest Context components.
|
---|
476 | */
|
---|
477 | rc = vmR3InitGC(pVM);
|
---|
478 | if (VBOX_SUCCESS(rc))
|
---|
479 | {
|
---|
480 | /*
|
---|
481 | * Now we can safely set the VM halt method to default.
|
---|
482 | */
|
---|
483 | rc = vmR3SetHaltMethodU(pUVM, VMHALTMETHOD_DEFAULT);
|
---|
484 | if (RT_SUCCESS(rc))
|
---|
485 | {
|
---|
486 | /*
|
---|
487 | * Set the state and link into the global list.
|
---|
488 | */
|
---|
489 | vmR3SetState(pVM, VMSTATE_CREATED);
|
---|
490 | pUVM->pNext = g_pUVMsHead;
|
---|
491 | g_pUVMsHead = pUVM;
|
---|
492 | return VINF_SUCCESS;
|
---|
493 | }
|
---|
494 | }
|
---|
495 | #ifdef VBOX_WITH_DEBUGGER
|
---|
496 | DBGCTcpTerminate(pVM, pUVM->vm.s.pvDBGC);
|
---|
497 | pUVM->vm.s.pvDBGC = NULL;
|
---|
498 | }
|
---|
499 | #endif
|
---|
500 | //..
|
---|
501 | }
|
---|
502 | vmR3Destroy(pVM);
|
---|
503 | }
|
---|
504 | //..
|
---|
505 |
|
---|
506 | /* Clean CFGM. */
|
---|
507 | int rc2 = CFGMR3Term(pVM);
|
---|
508 | AssertRC(rc2);
|
---|
509 | }
|
---|
510 |
|
---|
511 | /* Tell GVMM that it can destroy the VM now. */
|
---|
512 | int rc2 = SUPCallVMMR0Ex(CreateVMReq.pVMR0, VMMR0_DO_GVMM_DESTROY_VM, 0, NULL);
|
---|
513 | AssertRC(rc2);
|
---|
514 | pUVM->pVM = NULL;
|
---|
515 | }
|
---|
516 | else
|
---|
517 | vmR3SetErrorU(pUVM, rc, RT_SRC_POS, N_("VM creation failed (GVMM)"));
|
---|
518 |
|
---|
519 | LogFlow(("vmR3Create: returns %Rrc\n", rc));
|
---|
520 | return rc;
|
---|
521 | }
|
---|
522 |
|
---|
523 |
|
---|
524 |
|
---|
525 | /**
|
---|
526 | * Initializes all R3 components of the VM
|
---|
527 | */
|
---|
528 | static int vmR3InitRing3(PVM pVM, PUVM pUVM)
|
---|
529 | {
|
---|
530 | int rc;
|
---|
531 |
|
---|
532 | /*
|
---|
533 | * Init all R3 components, the order here might be important.
|
---|
534 | */
|
---|
535 | rc = MMR3Init(pVM);
|
---|
536 | if (VBOX_SUCCESS(rc))
|
---|
537 | {
|
---|
538 | STAM_REG(pVM, &pVM->StatTotalInGC, STAMTYPE_PROFILE_ADV, "/PROF/VM/InGC", STAMUNIT_TICKS_PER_CALL, "Profiling the total time spent in GC.");
|
---|
539 | STAM_REG(pVM, &pVM->StatSwitcherToGC, STAMTYPE_PROFILE_ADV, "/PROF/VM/SwitchToGC", STAMUNIT_TICKS_PER_CALL, "Profiling switching to GC.");
|
---|
540 | STAM_REG(pVM, &pVM->StatSwitcherToHC, STAMTYPE_PROFILE_ADV, "/PROF/VM/SwitchToHC", STAMUNIT_TICKS_PER_CALL, "Profiling switching to HC.");
|
---|
541 | STAM_REG(pVM, &pVM->StatSwitcherSaveRegs, STAMTYPE_PROFILE_ADV, "/VM/Switcher/ToGC/SaveRegs", STAMUNIT_TICKS_PER_CALL,"Profiling switching to GC.");
|
---|
542 | STAM_REG(pVM, &pVM->StatSwitcherSysEnter, STAMTYPE_PROFILE_ADV, "/VM/Switcher/ToGC/SysEnter", STAMUNIT_TICKS_PER_CALL,"Profiling switching to GC.");
|
---|
543 | STAM_REG(pVM, &pVM->StatSwitcherDebug, STAMTYPE_PROFILE_ADV, "/VM/Switcher/ToGC/Debug", STAMUNIT_TICKS_PER_CALL,"Profiling switching to GC.");
|
---|
544 | STAM_REG(pVM, &pVM->StatSwitcherCR0, STAMTYPE_PROFILE_ADV, "/VM/Switcher/ToGC/CR0", STAMUNIT_TICKS_PER_CALL, "Profiling switching to GC.");
|
---|
545 | STAM_REG(pVM, &pVM->StatSwitcherCR4, STAMTYPE_PROFILE_ADV, "/VM/Switcher/ToGC/CR4", STAMUNIT_TICKS_PER_CALL, "Profiling switching to GC.");
|
---|
546 | STAM_REG(pVM, &pVM->StatSwitcherLgdt, STAMTYPE_PROFILE_ADV, "/VM/Switcher/ToGC/Lgdt", STAMUNIT_TICKS_PER_CALL, "Profiling switching to GC.");
|
---|
547 | STAM_REG(pVM, &pVM->StatSwitcherLidt, STAMTYPE_PROFILE_ADV, "/VM/Switcher/ToGC/Lidt", STAMUNIT_TICKS_PER_CALL, "Profiling switching to GC.");
|
---|
548 | STAM_REG(pVM, &pVM->StatSwitcherLldt, STAMTYPE_PROFILE_ADV, "/VM/Switcher/ToGC/Lldt", STAMUNIT_TICKS_PER_CALL, "Profiling switching to GC.");
|
---|
549 | STAM_REG(pVM, &pVM->StatSwitcherTSS, STAMTYPE_PROFILE_ADV, "/VM/Switcher/ToGC/TSS", STAMUNIT_TICKS_PER_CALL, "Profiling switching to GC.");
|
---|
550 | STAM_REG(pVM, &pVM->StatSwitcherJmpCR3, STAMTYPE_PROFILE_ADV, "/VM/Switcher/ToGC/JmpCR3", STAMUNIT_TICKS_PER_CALL,"Profiling switching to GC.");
|
---|
551 | STAM_REG(pVM, &pVM->StatSwitcherRstrRegs, STAMTYPE_PROFILE_ADV, "/VM/Switcher/ToGC/RstrRegs", STAMUNIT_TICKS_PER_CALL,"Profiling switching to GC.");
|
---|
552 |
|
---|
553 | STAM_REL_REG(pVM, &pUVM->vm.s.StatHaltYield, STAMTYPE_PROFILE, "/PROF/VM/Halt/Yield", STAMUNIT_TICKS_PER_CALL, "Profiling halted state yielding.");
|
---|
554 | STAM_REL_REG(pVM, &pUVM->vm.s.StatHaltBlock, STAMTYPE_PROFILE, "/PROF/VM/Halt/Block", STAMUNIT_TICKS_PER_CALL, "Profiling halted state blocking.");
|
---|
555 | STAM_REL_REG(pVM, &pUVM->vm.s.StatHaltTimers,STAMTYPE_PROFILE, "/PROF/VM/Halt/Timers", STAMUNIT_TICKS_PER_CALL, "Profiling halted state timer tasks.");
|
---|
556 | STAM_REL_REG(pVM, &pUVM->vm.s.StatHaltPoll, STAMTYPE_PROFILE, "/PROF/VM/Halt/Poll", STAMUNIT_TICKS_PER_CALL, "Profiling halted state poll tasks.");
|
---|
557 |
|
---|
558 | STAM_REG(pVM, &pUVM->vm.s.StatReqAllocNew, STAMTYPE_COUNTER, "/VM/Req/AllocNew", STAMUNIT_OCCURENCES, "Number of VMR3ReqAlloc returning a new packet.");
|
---|
559 | STAM_REG(pVM, &pUVM->vm.s.StatReqAllocRaces, STAMTYPE_COUNTER, "/VM/Req/AllocRaces", STAMUNIT_OCCURENCES, "Number of VMR3ReqAlloc causing races.");
|
---|
560 | STAM_REG(pVM, &pUVM->vm.s.StatReqAllocRecycled, STAMTYPE_COUNTER, "/VM/Req/AllocRecycled", STAMUNIT_OCCURENCES, "Number of VMR3ReqAlloc returning a recycled packet.");
|
---|
561 | STAM_REG(pVM, &pUVM->vm.s.StatReqFree, STAMTYPE_COUNTER, "/VM/Req/Free", STAMUNIT_OCCURENCES, "Number of VMR3ReqFree calls.");
|
---|
562 | STAM_REG(pVM, &pUVM->vm.s.StatReqFreeOverflow, STAMTYPE_COUNTER, "/VM/Req/FreeOverflow", STAMUNIT_OCCURENCES, "Number of times the request was actually freed.");
|
---|
563 |
|
---|
564 | rc = CPUMR3Init(pVM);
|
---|
565 | if (VBOX_SUCCESS(rc))
|
---|
566 | {
|
---|
567 | rc = HWACCMR3Init(pVM);
|
---|
568 | if (VBOX_SUCCESS(rc))
|
---|
569 | {
|
---|
570 | rc = PGMR3Init(pVM);
|
---|
571 | if (VBOX_SUCCESS(rc))
|
---|
572 | {
|
---|
573 | rc = REMR3Init(pVM);
|
---|
574 | if (VBOX_SUCCESS(rc))
|
---|
575 | {
|
---|
576 | rc = MMR3InitPaging(pVM);
|
---|
577 | if (VBOX_SUCCESS(rc))
|
---|
578 | rc = TMR3Init(pVM);
|
---|
579 | if (VBOX_SUCCESS(rc))
|
---|
580 | {
|
---|
581 | rc = VMMR3Init(pVM);
|
---|
582 | if (VBOX_SUCCESS(rc))
|
---|
583 | {
|
---|
584 | rc = SELMR3Init(pVM);
|
---|
585 | if (VBOX_SUCCESS(rc))
|
---|
586 | {
|
---|
587 | rc = TRPMR3Init(pVM);
|
---|
588 | if (VBOX_SUCCESS(rc))
|
---|
589 | {
|
---|
590 | rc = CSAMR3Init(pVM);
|
---|
591 | if (VBOX_SUCCESS(rc))
|
---|
592 | {
|
---|
593 | rc = PATMR3Init(pVM);
|
---|
594 | if (VBOX_SUCCESS(rc))
|
---|
595 | {
|
---|
596 | rc = IOMR3Init(pVM);
|
---|
597 | if (VBOX_SUCCESS(rc))
|
---|
598 | {
|
---|
599 | rc = EMR3Init(pVM);
|
---|
600 | if (VBOX_SUCCESS(rc))
|
---|
601 | {
|
---|
602 | rc = DBGFR3Init(pVM);
|
---|
603 | if (VBOX_SUCCESS(rc))
|
---|
604 | {
|
---|
605 | rc = PDMR3Init(pVM);
|
---|
606 | if (VBOX_SUCCESS(rc))
|
---|
607 | {
|
---|
608 | rc = PGMR3InitDynMap(pVM);
|
---|
609 | if (VBOX_SUCCESS(rc))
|
---|
610 | rc = MMR3HyperInitFinalize(pVM);
|
---|
611 | if (VBOX_SUCCESS(rc))
|
---|
612 | rc = PATMR3InitFinalize(pVM);
|
---|
613 | if (VBOX_SUCCESS(rc))
|
---|
614 | rc = PGMR3InitFinalize(pVM);
|
---|
615 | if (VBOX_SUCCESS(rc))
|
---|
616 | rc = SELMR3InitFinalize(pVM);
|
---|
617 | if (VBOX_SUCCESS(rc))
|
---|
618 | rc = TMR3InitFinalize(pVM);
|
---|
619 | if (VBOX_SUCCESS(rc))
|
---|
620 | rc = VMMR3InitFinalize(pVM);
|
---|
621 | if (VBOX_SUCCESS(rc))
|
---|
622 | rc = vmR3InitDoCompleted(pVM, VMINITCOMPLETED_RING3);
|
---|
623 | if (VBOX_SUCCESS(rc))
|
---|
624 | {
|
---|
625 | LogFlow(("vmR3InitRing3: returns %Vrc\n", VINF_SUCCESS));
|
---|
626 | return VINF_SUCCESS;
|
---|
627 | }
|
---|
628 | int rc2 = PDMR3Term(pVM);
|
---|
629 | AssertRC(rc2);
|
---|
630 | }
|
---|
631 | int rc2 = DBGFR3Term(pVM);
|
---|
632 | AssertRC(rc2);
|
---|
633 | }
|
---|
634 | int rc2 = EMR3Term(pVM);
|
---|
635 | AssertRC(rc2);
|
---|
636 | }
|
---|
637 | int rc2 = IOMR3Term(pVM);
|
---|
638 | AssertRC(rc2);
|
---|
639 | }
|
---|
640 | int rc2 = PATMR3Term(pVM);
|
---|
641 | AssertRC(rc2);
|
---|
642 | }
|
---|
643 | int rc2 = CSAMR3Term(pVM);
|
---|
644 | AssertRC(rc2);
|
---|
645 | }
|
---|
646 | int rc2 = TRPMR3Term(pVM);
|
---|
647 | AssertRC(rc2);
|
---|
648 | }
|
---|
649 | int rc2 = SELMR3Term(pVM);
|
---|
650 | AssertRC(rc2);
|
---|
651 | }
|
---|
652 | int rc2 = VMMR3Term(pVM);
|
---|
653 | AssertRC(rc2);
|
---|
654 | }
|
---|
655 | int rc2 = TMR3Term(pVM);
|
---|
656 | AssertRC(rc2);
|
---|
657 | }
|
---|
658 | int rc2 = REMR3Term(pVM);
|
---|
659 | AssertRC(rc2);
|
---|
660 | }
|
---|
661 | int rc2 = PGMR3Term(pVM);
|
---|
662 | AssertRC(rc2);
|
---|
663 | }
|
---|
664 | int rc2 = HWACCMR3Term(pVM);
|
---|
665 | AssertRC(rc2);
|
---|
666 | }
|
---|
667 | //int rc2 = CPUMR3Term(pVM);
|
---|
668 | //AssertRC(rc2);
|
---|
669 | }
|
---|
670 | /* MMR3Term is not called here because it'll kill the heap. */
|
---|
671 | }
|
---|
672 |
|
---|
673 | LogFlow(("vmR3InitRing3: returns %Vrc\n", rc));
|
---|
674 | return rc;
|
---|
675 | }
|
---|
676 |
|
---|
677 |
|
---|
678 | /**
|
---|
679 | * Initializes all R0 components of the VM
|
---|
680 | */
|
---|
681 | static int vmR3InitRing0(PVM pVM)
|
---|
682 | {
|
---|
683 | LogFlow(("vmR3InitRing0:\n"));
|
---|
684 |
|
---|
685 | /*
|
---|
686 | * Check for FAKE suplib mode.
|
---|
687 | */
|
---|
688 | int rc = VINF_SUCCESS;
|
---|
689 | const char *psz = RTEnvGet("VBOX_SUPLIB_FAKE");
|
---|
690 | if (!psz || strcmp(psz, "fake"))
|
---|
691 | {
|
---|
692 | /*
|
---|
693 | * Call the VMMR0 component and let it do the init.
|
---|
694 | */
|
---|
695 | rc = VMMR3InitR0(pVM);
|
---|
696 | }
|
---|
697 | else
|
---|
698 | Log(("vmR3InitRing0: skipping because of VBOX_SUPLIB_FAKE=fake\n"));
|
---|
699 |
|
---|
700 | /*
|
---|
701 | * Do notifications and return.
|
---|
702 | */
|
---|
703 | if (VBOX_SUCCESS(rc))
|
---|
704 | rc = vmR3InitDoCompleted(pVM, VMINITCOMPLETED_RING0);
|
---|
705 |
|
---|
706 | /** todo: move this to the VMINITCOMPLETED_RING0 notification handler once implemented */
|
---|
707 | if (VBOX_SUCCESS(rc))
|
---|
708 | rc = HWACCMR3InitFinalizeR0(pVM);
|
---|
709 |
|
---|
710 | LogFlow(("vmR3InitRing0: returns %Vrc\n", rc));
|
---|
711 | return rc;
|
---|
712 | }
|
---|
713 |
|
---|
714 |
|
---|
715 | /**
|
---|
716 | * Initializes all GC components of the VM
|
---|
717 | */
|
---|
718 | static int vmR3InitGC(PVM pVM)
|
---|
719 | {
|
---|
720 | LogFlow(("vmR3InitGC:\n"));
|
---|
721 |
|
---|
722 | /*
|
---|
723 | * Check for FAKE suplib mode.
|
---|
724 | */
|
---|
725 | int rc = VINF_SUCCESS;
|
---|
726 | const char *psz = RTEnvGet("VBOX_SUPLIB_FAKE");
|
---|
727 | if (!psz || strcmp(psz, "fake"))
|
---|
728 | {
|
---|
729 | /*
|
---|
730 | * Call the VMMR0 component and let it do the init.
|
---|
731 | */
|
---|
732 | rc = VMMR3InitGC(pVM);
|
---|
733 | }
|
---|
734 | else
|
---|
735 | Log(("vmR3InitGC: skipping because of VBOX_SUPLIB_FAKE=fake\n"));
|
---|
736 |
|
---|
737 | /*
|
---|
738 | * Do notifications and return.
|
---|
739 | */
|
---|
740 | if (VBOX_SUCCESS(rc))
|
---|
741 | rc = vmR3InitDoCompleted(pVM, VMINITCOMPLETED_GC);
|
---|
742 | LogFlow(("vmR3InitGC: returns %Vrc\n", rc));
|
---|
743 | return rc;
|
---|
744 | }
|
---|
745 |
|
---|
746 |
|
---|
747 | /**
|
---|
748 | * Do init completed notifications.
|
---|
749 | * This notifications can fail.
|
---|
750 | *
|
---|
751 | * @param pVM The VM handle.
|
---|
752 | * @param enmWhat What's completed.
|
---|
753 | */
|
---|
754 | static int vmR3InitDoCompleted(PVM pVM, VMINITCOMPLETED enmWhat)
|
---|
755 | {
|
---|
756 |
|
---|
757 | return VINF_SUCCESS;
|
---|
758 | }
|
---|
759 |
|
---|
760 |
|
---|
761 | /**
|
---|
762 | * Calls the relocation functions for all VMM components so they can update
|
---|
763 | * any GC pointers. When this function is called all the basic VM members
|
---|
764 | * have been updated and the actual memory relocation have been done
|
---|
765 | * by the PGM/MM.
|
---|
766 | *
|
---|
767 | * This is used both on init and on runtime relocations.
|
---|
768 | *
|
---|
769 | * @param pVM VM handle.
|
---|
770 | * @param offDelta Relocation delta relative to old location.
|
---|
771 | */
|
---|
772 | VMR3DECL(void) VMR3Relocate(PVM pVM, RTGCINTPTR offDelta)
|
---|
773 | {
|
---|
774 | LogFlow(("VMR3Relocate: offDelta=%VGv\n", offDelta));
|
---|
775 |
|
---|
776 | /*
|
---|
777 | * The order here is very important!
|
---|
778 | */
|
---|
779 | PGMR3Relocate(pVM, offDelta);
|
---|
780 | PDMR3LdrRelocateU(pVM->pUVM, offDelta);
|
---|
781 | PGMR3Relocate(pVM, 0); /* Repeat after PDM relocation. */
|
---|
782 | CPUMR3Relocate(pVM);
|
---|
783 | HWACCMR3Relocate(pVM);
|
---|
784 | SELMR3Relocate(pVM);
|
---|
785 | VMMR3Relocate(pVM, offDelta);
|
---|
786 | SELMR3Relocate(pVM); /* !hack! fix stack! */
|
---|
787 | TRPMR3Relocate(pVM, offDelta);
|
---|
788 | PATMR3Relocate(pVM);
|
---|
789 | CSAMR3Relocate(pVM, offDelta);
|
---|
790 | IOMR3Relocate(pVM, offDelta);
|
---|
791 | EMR3Relocate(pVM);
|
---|
792 | TMR3Relocate(pVM, offDelta);
|
---|
793 | DBGFR3Relocate(pVM, offDelta);
|
---|
794 | PDMR3Relocate(pVM, offDelta);
|
---|
795 | }
|
---|
796 |
|
---|
797 |
|
---|
798 |
|
---|
799 | /**
|
---|
800 | * Power on the virtual machine.
|
---|
801 | *
|
---|
802 | * @returns 0 on success.
|
---|
803 | * @returns VBox error code on failure.
|
---|
804 | * @param pVM VM to power on.
|
---|
805 | * @thread Any thread.
|
---|
806 | * @vmstate Created
|
---|
807 | * @vmstateto Running
|
---|
808 | */
|
---|
809 | VMR3DECL(int) VMR3PowerOn(PVM pVM)
|
---|
810 | {
|
---|
811 | LogFlow(("VMR3PowerOn: pVM=%p\n", pVM));
|
---|
812 |
|
---|
813 | /*
|
---|
814 | * Validate input.
|
---|
815 | */
|
---|
816 | if (!pVM)
|
---|
817 | {
|
---|
818 | AssertMsgFailed(("Invalid VM pointer\n"));
|
---|
819 | return VERR_INVALID_PARAMETER;
|
---|
820 | }
|
---|
821 |
|
---|
822 | /*
|
---|
823 | * Request the operation in EMT.
|
---|
824 | */
|
---|
825 | PVMREQ pReq;
|
---|
826 | int rc = VMR3ReqCall(pVM, &pReq, RT_INDEFINITE_WAIT, (PFNRT)vmR3PowerOn, 1, pVM);
|
---|
827 | if (VBOX_SUCCESS(rc))
|
---|
828 | {
|
---|
829 | rc = pReq->iStatus;
|
---|
830 | VMR3ReqFree(pReq);
|
---|
831 | }
|
---|
832 |
|
---|
833 | LogFlow(("VMR3PowerOn: returns %Vrc\n", rc));
|
---|
834 | return rc;
|
---|
835 | }
|
---|
836 |
|
---|
837 |
|
---|
838 | /**
|
---|
839 | * Power on the virtual machine.
|
---|
840 | *
|
---|
841 | * @returns 0 on success.
|
---|
842 | * @returns VBox error code on failure.
|
---|
843 | * @param pVM VM to power on.
|
---|
844 | * @thread EMT
|
---|
845 | */
|
---|
846 | static DECLCALLBACK(int) vmR3PowerOn(PVM pVM)
|
---|
847 | {
|
---|
848 | LogFlow(("vmR3PowerOn: pVM=%p\n", pVM));
|
---|
849 |
|
---|
850 | /*
|
---|
851 | * Validate input.
|
---|
852 | */
|
---|
853 | if (pVM->enmVMState != VMSTATE_CREATED)
|
---|
854 | {
|
---|
855 | AssertMsgFailed(("Invalid VM state %d\n", pVM->enmVMState));
|
---|
856 | return VERR_VM_INVALID_VM_STATE;
|
---|
857 | }
|
---|
858 |
|
---|
859 | /*
|
---|
860 | * Change the state, notify the components and resume the execution.
|
---|
861 | */
|
---|
862 | vmR3SetState(pVM, VMSTATE_RUNNING);
|
---|
863 | PDMR3PowerOn(pVM);
|
---|
864 |
|
---|
865 | return VINF_SUCCESS;
|
---|
866 | }
|
---|
867 |
|
---|
868 |
|
---|
869 | /**
|
---|
870 | * Suspends a running VM.
|
---|
871 | *
|
---|
872 | * @returns 0 on success.
|
---|
873 | * @returns VBox error code on failure.
|
---|
874 | * @param pVM VM to suspend.
|
---|
875 | * @thread Any thread.
|
---|
876 | * @vmstate Running
|
---|
877 | * @vmstateto Suspended
|
---|
878 | */
|
---|
879 | VMR3DECL(int) VMR3Suspend(PVM pVM)
|
---|
880 | {
|
---|
881 | LogFlow(("VMR3Suspend: pVM=%p\n", pVM));
|
---|
882 |
|
---|
883 | /*
|
---|
884 | * Validate input.
|
---|
885 | */
|
---|
886 | if (!pVM)
|
---|
887 | {
|
---|
888 | AssertMsgFailed(("Invalid VM pointer\n"));
|
---|
889 | return VERR_INVALID_PARAMETER;
|
---|
890 | }
|
---|
891 |
|
---|
892 | /*
|
---|
893 | * Request the operation in EMT.
|
---|
894 | */
|
---|
895 | PVMREQ pReq;
|
---|
896 | int rc = VMR3ReqCall(pVM, &pReq, RT_INDEFINITE_WAIT, (PFNRT)vmR3Suspend, 1, pVM);
|
---|
897 | if (VBOX_SUCCESS(rc))
|
---|
898 | {
|
---|
899 | rc = pReq->iStatus;
|
---|
900 | VMR3ReqFree(pReq);
|
---|
901 | }
|
---|
902 |
|
---|
903 | LogFlow(("VMR3Suspend: returns %Vrc\n", rc));
|
---|
904 | return rc;
|
---|
905 | }
|
---|
906 |
|
---|
907 |
|
---|
908 | /**
|
---|
909 | * Suspends a running VM and prevent state saving until the VM is resumed or stopped.
|
---|
910 | *
|
---|
911 | * @returns 0 on success.
|
---|
912 | * @returns VBox error code on failure.
|
---|
913 | * @param pVM VM to suspend.
|
---|
914 | * @thread Any thread.
|
---|
915 | * @vmstate Running
|
---|
916 | * @vmstateto Suspended
|
---|
917 | */
|
---|
918 | VMR3DECL(int) VMR3SuspendNoSave(PVM pVM)
|
---|
919 | {
|
---|
920 | pVM->vm.s.fPreventSaveState = true;
|
---|
921 | return VMR3Suspend(pVM);
|
---|
922 | }
|
---|
923 |
|
---|
924 |
|
---|
925 | /**
|
---|
926 | * Suspends a running VM.
|
---|
927 | *
|
---|
928 | * @returns 0 on success.
|
---|
929 | * @returns VBox error code on failure.
|
---|
930 | * @param pVM VM to suspend.
|
---|
931 | * @thread EMT
|
---|
932 | */
|
---|
933 | static DECLCALLBACK(int) vmR3Suspend(PVM pVM)
|
---|
934 | {
|
---|
935 | LogFlow(("vmR3Suspend: pVM=%p\n", pVM));
|
---|
936 |
|
---|
937 | /*
|
---|
938 | * Validate input.
|
---|
939 | */
|
---|
940 | if (pVM->enmVMState != VMSTATE_RUNNING)
|
---|
941 | {
|
---|
942 | AssertMsgFailed(("Invalid VM state %d\n", pVM->enmVMState));
|
---|
943 | return VERR_VM_INVALID_VM_STATE;
|
---|
944 | }
|
---|
945 |
|
---|
946 | /*
|
---|
947 | * Change the state, notify the components and resume the execution.
|
---|
948 | */
|
---|
949 | vmR3SetState(pVM, VMSTATE_SUSPENDED);
|
---|
950 | PDMR3Suspend(pVM);
|
---|
951 |
|
---|
952 | return VINF_EM_SUSPEND;
|
---|
953 | }
|
---|
954 |
|
---|
955 |
|
---|
956 | /**
|
---|
957 | * Resume VM execution.
|
---|
958 | *
|
---|
959 | * @returns 0 on success.
|
---|
960 | * @returns VBox error code on failure.
|
---|
961 | * @param pVM The VM to resume.
|
---|
962 | * @thread Any thread.
|
---|
963 | * @vmstate Suspended
|
---|
964 | * @vmstateto Running
|
---|
965 | */
|
---|
966 | VMR3DECL(int) VMR3Resume(PVM pVM)
|
---|
967 | {
|
---|
968 | LogFlow(("VMR3Resume: pVM=%p\n", pVM));
|
---|
969 |
|
---|
970 | /*
|
---|
971 | * Validate input.
|
---|
972 | */
|
---|
973 | if (!pVM)
|
---|
974 | {
|
---|
975 | AssertMsgFailed(("Invalid VM pointer\n"));
|
---|
976 | return VERR_INVALID_PARAMETER;
|
---|
977 | }
|
---|
978 |
|
---|
979 | /*
|
---|
980 | * Request the operation in EMT.
|
---|
981 | */
|
---|
982 | PVMREQ pReq;
|
---|
983 | int rc = VMR3ReqCall(pVM, &pReq, RT_INDEFINITE_WAIT, (PFNRT)vmR3Resume, 1, pVM);
|
---|
984 | if (VBOX_SUCCESS(rc))
|
---|
985 | {
|
---|
986 | rc = pReq->iStatus;
|
---|
987 | VMR3ReqFree(pReq);
|
---|
988 | }
|
---|
989 |
|
---|
990 | LogFlow(("VMR3Resume: returns %Vrc\n", rc));
|
---|
991 | return rc;
|
---|
992 | }
|
---|
993 |
|
---|
994 |
|
---|
995 | /**
|
---|
996 | * Resume VM execution.
|
---|
997 | *
|
---|
998 | * @returns 0 on success.
|
---|
999 | * @returns VBox error code on failure.
|
---|
1000 | * @param pVM The VM to resume.
|
---|
1001 | * @thread EMT
|
---|
1002 | */
|
---|
1003 | static DECLCALLBACK(int) vmR3Resume(PVM pVM)
|
---|
1004 | {
|
---|
1005 | LogFlow(("vmR3Resume: pVM=%p\n", pVM));
|
---|
1006 |
|
---|
1007 | /*
|
---|
1008 | * Validate input.
|
---|
1009 | */
|
---|
1010 | if (pVM->enmVMState != VMSTATE_SUSPENDED)
|
---|
1011 | {
|
---|
1012 | AssertMsgFailed(("Invalid VM state %d\n", pVM->enmVMState));
|
---|
1013 | return VERR_VM_INVALID_VM_STATE;
|
---|
1014 | }
|
---|
1015 |
|
---|
1016 | /*
|
---|
1017 | * Change the state, notify the components and resume the execution.
|
---|
1018 | */
|
---|
1019 | pVM->vm.s.fPreventSaveState = false;
|
---|
1020 | vmR3SetState(pVM, VMSTATE_RUNNING);
|
---|
1021 | PDMR3Resume(pVM);
|
---|
1022 |
|
---|
1023 | return VINF_EM_RESUME;
|
---|
1024 | }
|
---|
1025 |
|
---|
1026 |
|
---|
1027 | /**
|
---|
1028 | * Save current VM state.
|
---|
1029 | *
|
---|
1030 | * To save and terminate the VM, the VM must be suspended before the call.
|
---|
1031 | *
|
---|
1032 | * @returns 0 on success.
|
---|
1033 | * @returns VBox error code on failure.
|
---|
1034 | * @param pVM VM which state should be saved.
|
---|
1035 | * @param pszFilename Name of the save state file.
|
---|
1036 | * @param pfnProgress Progress callback. Optional.
|
---|
1037 | * @param pvUser User argument for the progress callback.
|
---|
1038 | * @thread Any thread.
|
---|
1039 | * @vmstate Suspended
|
---|
1040 | * @vmstateto Unchanged state.
|
---|
1041 | */
|
---|
1042 | VMR3DECL(int) VMR3Save(PVM pVM, const char *pszFilename, PFNVMPROGRESS pfnProgress, void *pvUser)
|
---|
1043 | {
|
---|
1044 | LogFlow(("VMR3Save: pVM=%p pszFilename=%p:{%s} pfnProgress=%p pvUser=%p\n", pVM, pszFilename, pszFilename, pfnProgress, pvUser));
|
---|
1045 |
|
---|
1046 | /*
|
---|
1047 | * Validate input.
|
---|
1048 | */
|
---|
1049 | if (!pVM)
|
---|
1050 | {
|
---|
1051 | AssertMsgFailed(("Invalid VM pointer\n"));
|
---|
1052 | return VERR_INVALID_PARAMETER;
|
---|
1053 | }
|
---|
1054 | if (!pszFilename)
|
---|
1055 | {
|
---|
1056 | AssertMsgFailed(("Must specify a filename to save the state to, wise guy!\n"));
|
---|
1057 | return VERR_INVALID_PARAMETER;
|
---|
1058 | }
|
---|
1059 |
|
---|
1060 | /*
|
---|
1061 | * Request the operation in EMT.
|
---|
1062 | */
|
---|
1063 | PVMREQ pReq;
|
---|
1064 | int rc = VMR3ReqCall(pVM, &pReq, RT_INDEFINITE_WAIT, (PFNRT)vmR3Save, 4, pVM, pszFilename, pfnProgress, pvUser);
|
---|
1065 | if (VBOX_SUCCESS(rc))
|
---|
1066 | {
|
---|
1067 | rc = pReq->iStatus;
|
---|
1068 | VMR3ReqFree(pReq);
|
---|
1069 | }
|
---|
1070 |
|
---|
1071 | LogFlow(("VMR3Save: returns %Vrc\n", rc));
|
---|
1072 | return rc;
|
---|
1073 | }
|
---|
1074 |
|
---|
1075 |
|
---|
1076 | /**
|
---|
1077 | * Save current VM state.
|
---|
1078 | *
|
---|
1079 | * To save and terminate the VM, the VM must be suspended before the call.
|
---|
1080 | *
|
---|
1081 | * @returns 0 on success.
|
---|
1082 | * @returns VBox error code on failure.
|
---|
1083 | * @param pVM VM which state should be saved.
|
---|
1084 | * @param pszFilename Name of the save state file.
|
---|
1085 | * @param pfnProgress Progress callback. Optional.
|
---|
1086 | * @param pvUser User argument for the progress callback.
|
---|
1087 | * @thread EMT
|
---|
1088 | */
|
---|
1089 | static DECLCALLBACK(int) vmR3Save(PVM pVM, const char *pszFilename, PFNVMPROGRESS pfnProgress, void *pvUser)
|
---|
1090 | {
|
---|
1091 | LogFlow(("vmR3Save: pVM=%p pszFilename=%p:{%s} pfnProgress=%p pvUser=%p\n", pVM, pszFilename, pszFilename, pfnProgress, pvUser));
|
---|
1092 |
|
---|
1093 | /*
|
---|
1094 | * Validate input.
|
---|
1095 | */
|
---|
1096 | if (pVM->enmVMState != VMSTATE_SUSPENDED)
|
---|
1097 | {
|
---|
1098 | AssertMsgFailed(("Invalid VM state %d\n", pVM->enmVMState));
|
---|
1099 | return VERR_VM_INVALID_VM_STATE;
|
---|
1100 | }
|
---|
1101 |
|
---|
1102 | /* If we are in an inconsistent state, then we don't allow state saving. */
|
---|
1103 | if (pVM->vm.s.fPreventSaveState)
|
---|
1104 | {
|
---|
1105 | LogRel(("VMM: vmR3Save: saving the VM state is not allowed at this moment\n"));
|
---|
1106 | return VERR_VM_SAVE_STATE_NOT_ALLOWED;
|
---|
1107 | }
|
---|
1108 |
|
---|
1109 | /*
|
---|
1110 | * Change the state and perform the save.
|
---|
1111 | */
|
---|
1112 | /** @todo implement progress support in SSM */
|
---|
1113 | vmR3SetState(pVM, VMSTATE_SAVING);
|
---|
1114 | int rc = SSMR3Save(pVM, pszFilename, SSMAFTER_CONTINUE, pfnProgress, pvUser);
|
---|
1115 | vmR3SetState(pVM, VMSTATE_SUSPENDED);
|
---|
1116 |
|
---|
1117 | return rc;
|
---|
1118 | }
|
---|
1119 |
|
---|
1120 |
|
---|
1121 | /**
|
---|
1122 | * Loads a new VM state.
|
---|
1123 | *
|
---|
1124 | * To restore a saved state on VM startup, call this function and then
|
---|
1125 | * resume the VM instead of powering it on.
|
---|
1126 | *
|
---|
1127 | * @returns 0 on success.
|
---|
1128 | * @returns VBox error code on failure.
|
---|
1129 | * @param pVM VM which state should be saved.
|
---|
1130 | * @param pszFilename Name of the save state file.
|
---|
1131 | * @param pfnProgress Progress callback. Optional.
|
---|
1132 | * @param pvUser User argument for the progress callback.
|
---|
1133 | * @thread Any thread.
|
---|
1134 | * @vmstate Created, Suspended
|
---|
1135 | * @vmstateto Suspended
|
---|
1136 | */
|
---|
1137 | VMR3DECL(int) VMR3Load(PVM pVM, const char *pszFilename, PFNVMPROGRESS pfnProgress, void *pvUser)
|
---|
1138 | {
|
---|
1139 | LogFlow(("VMR3Load: pVM=%p pszFilename=%p:{%s} pfnProgress=%p pvUser=%p\n", pVM, pszFilename, pszFilename, pfnProgress, pvUser));
|
---|
1140 |
|
---|
1141 | /*
|
---|
1142 | * Validate input.
|
---|
1143 | */
|
---|
1144 | if (!pVM)
|
---|
1145 | {
|
---|
1146 | AssertMsgFailed(("Invalid VM pointer\n"));
|
---|
1147 | return VERR_INVALID_PARAMETER;
|
---|
1148 | }
|
---|
1149 | if (!pszFilename)
|
---|
1150 | {
|
---|
1151 | AssertMsgFailed(("Must specify a filename to load the state from, wise guy!\n"));
|
---|
1152 | return VERR_INVALID_PARAMETER;
|
---|
1153 | }
|
---|
1154 |
|
---|
1155 | /*
|
---|
1156 | * Request the operation in EMT.
|
---|
1157 | */
|
---|
1158 | PVMREQ pReq;
|
---|
1159 | int rc = VMR3ReqCall(pVM, &pReq, RT_INDEFINITE_WAIT, (PFNRT)vmR3Load, 4, pVM, pszFilename, pfnProgress, pvUser);
|
---|
1160 | if (VBOX_SUCCESS(rc))
|
---|
1161 | {
|
---|
1162 | rc = pReq->iStatus;
|
---|
1163 | VMR3ReqFree(pReq);
|
---|
1164 | }
|
---|
1165 |
|
---|
1166 | LogFlow(("VMR3Load: returns %Vrc\n", rc));
|
---|
1167 | return rc;
|
---|
1168 | }
|
---|
1169 |
|
---|
1170 |
|
---|
1171 | /**
|
---|
1172 | * Loads a new VM state.
|
---|
1173 | *
|
---|
1174 | * To restore a saved state on VM startup, call this function and then
|
---|
1175 | * resume the VM instead of powering it on.
|
---|
1176 | *
|
---|
1177 | * @returns 0 on success.
|
---|
1178 | * @returns VBox error code on failure.
|
---|
1179 | * @param pVM VM which state should be saved.
|
---|
1180 | * @param pszFilename Name of the save state file.
|
---|
1181 | * @param pfnProgress Progress callback. Optional.
|
---|
1182 | * @param pvUser User argument for the progress callback.
|
---|
1183 | * @thread EMT.
|
---|
1184 | */
|
---|
1185 | static DECLCALLBACK(int) vmR3Load(PVM pVM, const char *pszFilename, PFNVMPROGRESS pfnProgress, void *pvUser)
|
---|
1186 | {
|
---|
1187 | LogFlow(("vmR3Load: pVM=%p pszFilename=%p:{%s} pfnProgress=%p pvUser=%p\n", pVM, pszFilename, pszFilename, pfnProgress, pvUser));
|
---|
1188 |
|
---|
1189 | /*
|
---|
1190 | * Validate input.
|
---|
1191 | */
|
---|
1192 | if ( pVM->enmVMState != VMSTATE_SUSPENDED
|
---|
1193 | && pVM->enmVMState != VMSTATE_CREATED)
|
---|
1194 | {
|
---|
1195 | AssertMsgFailed(("Invalid VM state %d\n", pVM->enmVMState));
|
---|
1196 | return VMSetError(pVM, VERR_VM_INVALID_VM_STATE, RT_SRC_POS, N_("Invalid VM state (%s) for restoring state from '%s'"),
|
---|
1197 | VMR3GetStateName(pVM->enmVMState), pszFilename);
|
---|
1198 | }
|
---|
1199 |
|
---|
1200 | /*
|
---|
1201 | * Change the state and perform the load.
|
---|
1202 | */
|
---|
1203 | vmR3SetState(pVM, VMSTATE_LOADING);
|
---|
1204 | int rc = SSMR3Load(pVM, pszFilename, SSMAFTER_RESUME, pfnProgress, pvUser);
|
---|
1205 | if (VBOX_SUCCESS(rc))
|
---|
1206 | {
|
---|
1207 | /* Not paranoia anymore; the saved guest might use different hypervisor selectors. We must call VMR3Relocate. */
|
---|
1208 | VMR3Relocate(pVM, 0);
|
---|
1209 | vmR3SetState(pVM, VMSTATE_SUSPENDED);
|
---|
1210 | }
|
---|
1211 | else
|
---|
1212 | {
|
---|
1213 | vmR3SetState(pVM, VMSTATE_LOAD_FAILURE);
|
---|
1214 | rc = VMSetError(pVM, rc, RT_SRC_POS, N_("Unable to restore the virtual machine's saved state from '%s'. It may be damaged or from an older version of VirtualBox. Please discard the saved state before starting the virtual machine"), pszFilename);
|
---|
1215 | }
|
---|
1216 |
|
---|
1217 | return rc;
|
---|
1218 | }
|
---|
1219 |
|
---|
1220 |
|
---|
1221 | /**
|
---|
1222 | * Power Off the VM.
|
---|
1223 | *
|
---|
1224 | * @returns 0 on success.
|
---|
1225 | * @returns VBox error code on failure.
|
---|
1226 | * @param pVM VM which should be destroyed.
|
---|
1227 | * @thread Any thread.
|
---|
1228 | * @vmstate Suspended, Running, Guru Meditation, Load Failure
|
---|
1229 | * @vmstateto Off
|
---|
1230 | */
|
---|
1231 | VMR3DECL(int) VMR3PowerOff(PVM pVM)
|
---|
1232 | {
|
---|
1233 | LogFlow(("VMR3PowerOff: pVM=%p\n", pVM));
|
---|
1234 |
|
---|
1235 | /*
|
---|
1236 | * Validate input.
|
---|
1237 | */
|
---|
1238 | if (!pVM)
|
---|
1239 | {
|
---|
1240 | AssertMsgFailed(("Invalid VM pointer\n"));
|
---|
1241 | return VERR_INVALID_PARAMETER;
|
---|
1242 | }
|
---|
1243 |
|
---|
1244 | /*
|
---|
1245 | * Request the operation in EMT.
|
---|
1246 | */
|
---|
1247 | PVMREQ pReq;
|
---|
1248 | int rc = VMR3ReqCall(pVM, &pReq, RT_INDEFINITE_WAIT, (PFNRT)vmR3PowerOff, 1, pVM);
|
---|
1249 | if (VBOX_SUCCESS(rc))
|
---|
1250 | {
|
---|
1251 | rc = pReq->iStatus;
|
---|
1252 | VMR3ReqFree(pReq);
|
---|
1253 | }
|
---|
1254 |
|
---|
1255 | LogFlow(("VMR3PowerOff: returns %Vrc\n", rc));
|
---|
1256 | return rc;
|
---|
1257 | }
|
---|
1258 |
|
---|
1259 |
|
---|
1260 | /**
|
---|
1261 | * Power Off the VM.
|
---|
1262 | *
|
---|
1263 | * @returns 0 on success.
|
---|
1264 | * @returns VBox error code on failure.
|
---|
1265 | * @param pVM VM which should be destroyed.
|
---|
1266 | * @thread EMT.
|
---|
1267 | */
|
---|
1268 | static DECLCALLBACK(int) vmR3PowerOff(PVM pVM)
|
---|
1269 | {
|
---|
1270 | LogFlow(("vmR3PowerOff: pVM=%p\n", pVM));
|
---|
1271 |
|
---|
1272 | /*
|
---|
1273 | * Validate input.
|
---|
1274 | */
|
---|
1275 | if ( pVM->enmVMState != VMSTATE_RUNNING
|
---|
1276 | && pVM->enmVMState != VMSTATE_SUSPENDED
|
---|
1277 | && pVM->enmVMState != VMSTATE_LOAD_FAILURE
|
---|
1278 | && pVM->enmVMState != VMSTATE_GURU_MEDITATION)
|
---|
1279 | {
|
---|
1280 | AssertMsgFailed(("Invalid VM state %d\n", pVM->enmVMState));
|
---|
1281 | return VERR_VM_INVALID_VM_STATE;
|
---|
1282 | }
|
---|
1283 |
|
---|
1284 | /*
|
---|
1285 | * For debugging purposes, we will log a summary of the guest state at this point.
|
---|
1286 | */
|
---|
1287 | if (pVM->enmVMState != VMSTATE_GURU_MEDITATION)
|
---|
1288 | {
|
---|
1289 | /** @todo make the state dumping at VMR3PowerOff optional. */
|
---|
1290 | RTLogRelPrintf("****************** Guest state at power off ******************\n");
|
---|
1291 | DBGFR3Info(pVM, "cpumguest", "verbose", DBGFR3InfoLogRelHlp());
|
---|
1292 | RTLogRelPrintf("***\n");
|
---|
1293 | DBGFR3Info(pVM, "mode", NULL, DBGFR3InfoLogRelHlp());
|
---|
1294 | RTLogRelPrintf("***\n");
|
---|
1295 | DBGFR3Info(pVM, "activetimers", NULL, DBGFR3InfoLogRelHlp());
|
---|
1296 | RTLogRelPrintf("***\n");
|
---|
1297 | DBGFR3Info(pVM, "gdt", NULL, DBGFR3InfoLogRelHlp());
|
---|
1298 | /** @todo dump guest call stack. */
|
---|
1299 | #if 1 // temporary while debugging #1589
|
---|
1300 | RTLogRelPrintf("***\n");
|
---|
1301 | uint32_t esp = CPUMGetGuestESP(pVM);
|
---|
1302 | if ( CPUMGetGuestSS(pVM) == 0
|
---|
1303 | && esp < _64K)
|
---|
1304 | {
|
---|
1305 | uint8_t abBuf[PAGE_SIZE];
|
---|
1306 | RTLogRelPrintf("***\n"
|
---|
1307 | "ss:sp=0000:%04x ", esp);
|
---|
1308 | uint32_t Start = esp & ~(uint32_t)63;
|
---|
1309 | int rc = PGMPhysReadGCPhys(pVM, abBuf, Start, 0x100);
|
---|
1310 | if (VBOX_SUCCESS(rc))
|
---|
1311 | RTLogRelPrintf("0000:%04x TO 0000:%04x:\n"
|
---|
1312 | "%.*Rhxd\n",
|
---|
1313 | Start, Start + 0x100 - 1,
|
---|
1314 | 0x100, abBuf);
|
---|
1315 | else
|
---|
1316 | RTLogRelPrintf("rc=%Vrc\n", rc);
|
---|
1317 |
|
---|
1318 | /* grub ... */
|
---|
1319 | if (esp < 0x2000 && esp > 0x1fc0)
|
---|
1320 | {
|
---|
1321 | rc = PGMPhysReadGCPhys(pVM, abBuf, 0x8000, 0x800);
|
---|
1322 | if (VBOX_SUCCESS(rc))
|
---|
1323 | RTLogRelPrintf("0000:8000 TO 0000:87ff:\n"
|
---|
1324 | "%.*Rhxd\n",
|
---|
1325 | 0x800, abBuf);
|
---|
1326 | }
|
---|
1327 | /* microsoft cdrom hang ... */
|
---|
1328 | if (true)
|
---|
1329 | {
|
---|
1330 | rc = PGMPhysReadGCPhys(pVM, abBuf, 0x8000, 0x200);
|
---|
1331 | if (VBOX_SUCCESS(rc))
|
---|
1332 | RTLogRelPrintf("2000:0000 TO 2000:01ff:\n"
|
---|
1333 | "%.*Rhxd\n",
|
---|
1334 | 0x200, abBuf);
|
---|
1335 | }
|
---|
1336 | }
|
---|
1337 | #endif
|
---|
1338 | RTLogRelPrintf("************** End of Guest state at power off ***************\n");
|
---|
1339 | }
|
---|
1340 |
|
---|
1341 | /*
|
---|
1342 | * Change the state to OFF and notify the components.
|
---|
1343 | */
|
---|
1344 | vmR3SetState(pVM, VMSTATE_OFF);
|
---|
1345 | PDMR3PowerOff(pVM);
|
---|
1346 |
|
---|
1347 | return VINF_EM_OFF;
|
---|
1348 | }
|
---|
1349 |
|
---|
1350 |
|
---|
1351 | /**
|
---|
1352 | * Destroys the VM.
|
---|
1353 | * The VM must be powered off (or never really powered on) to call this function.
|
---|
1354 | * The VM handle is destroyed and can no longer be used up successful return.
|
---|
1355 | *
|
---|
1356 | * @returns VBox status code.
|
---|
1357 | * @param pVM VM which should be destroyed.
|
---|
1358 | * @thread Any thread but the emulation thread.
|
---|
1359 | * @vmstate Off, Created
|
---|
1360 | * @vmstateto N/A
|
---|
1361 | */
|
---|
1362 | VMR3DECL(int) VMR3Destroy(PVM pVM)
|
---|
1363 | {
|
---|
1364 | LogFlow(("VMR3Destroy: pVM=%p\n", pVM));
|
---|
1365 |
|
---|
1366 | /*
|
---|
1367 | * Validate input.
|
---|
1368 | */
|
---|
1369 | if (!pVM)
|
---|
1370 | return VERR_INVALID_PARAMETER;
|
---|
1371 | AssertPtrReturn(pVM, VERR_INVALID_POINTER);
|
---|
1372 | AssertMsgReturn( pVM->enmVMState == VMSTATE_OFF
|
---|
1373 | || pVM->enmVMState == VMSTATE_CREATED,
|
---|
1374 | ("Invalid VM state %d\n", pVM->enmVMState),
|
---|
1375 | VERR_VM_INVALID_VM_STATE);
|
---|
1376 |
|
---|
1377 | /*
|
---|
1378 | * Change VM state to destroying and unlink the VM.
|
---|
1379 | */
|
---|
1380 | vmR3SetState(pVM, VMSTATE_DESTROYING);
|
---|
1381 |
|
---|
1382 | /** @todo lock this when we start having multiple machines in a process... */
|
---|
1383 | PUVM pUVM = pVM->pUVM; AssertPtr(pUVM);
|
---|
1384 | if (g_pUVMsHead == pUVM)
|
---|
1385 | g_pUVMsHead = pUVM->pNext;
|
---|
1386 | else
|
---|
1387 | {
|
---|
1388 | PUVM pPrev = g_pUVMsHead;
|
---|
1389 | while (pPrev && pPrev->pNext != pUVM)
|
---|
1390 | pPrev = pPrev->pNext;
|
---|
1391 | AssertMsgReturn(pPrev, ("pUVM=%p / pVM=%p is INVALID!\n", pUVM, pVM), VERR_INVALID_PARAMETER);
|
---|
1392 |
|
---|
1393 | pPrev->pNext = pUVM->pNext;
|
---|
1394 | }
|
---|
1395 | pUVM->pNext = NULL;
|
---|
1396 |
|
---|
1397 | /*
|
---|
1398 | * Notify registered at destruction listeners.
|
---|
1399 | * (That's the debugger console.)
|
---|
1400 | */
|
---|
1401 | vmR3AtDtor(pVM);
|
---|
1402 |
|
---|
1403 | /*
|
---|
1404 | * If we are the EMT we'll delay the cleanup till later.
|
---|
1405 | */
|
---|
1406 | if (VM_IS_EMT(pVM))
|
---|
1407 | {
|
---|
1408 | pUVM->vm.s.fEMTDoesTheCleanup = true;
|
---|
1409 | pUVM->vm.s.fTerminateEMT = true;
|
---|
1410 | VM_FF_SET(pVM, VM_FF_TERMINATE);
|
---|
1411 | }
|
---|
1412 | else
|
---|
1413 | {
|
---|
1414 | /*
|
---|
1415 | * Request EMT to do the larger part of the destruction.
|
---|
1416 | */
|
---|
1417 | PVMREQ pReq = NULL;
|
---|
1418 | int rc = VMR3ReqCallU(pUVM, &pReq, RT_INDEFINITE_WAIT, 0, (PFNRT)vmR3Destroy, 1, pVM);
|
---|
1419 | if (RT_SUCCESS(rc))
|
---|
1420 | rc = pReq->iStatus;
|
---|
1421 | AssertRC(rc);
|
---|
1422 | VMR3ReqFree(pReq);
|
---|
1423 |
|
---|
1424 | /*
|
---|
1425 | * Wait for the EMT thread to terminate.
|
---|
1426 | */
|
---|
1427 | Assert(pUVM->vm.s.fTerminateEMT);
|
---|
1428 | rc = RTThreadWait(pUVM->vm.s.ThreadEMT, 30000, NULL);
|
---|
1429 | AssertMsgRC(rc, ("EMT thread wait failed, rc=%Rrc\n", rc));
|
---|
1430 |
|
---|
1431 | /*
|
---|
1432 | * Now do the final bit where the heap and VM structures are freed up.
|
---|
1433 | */
|
---|
1434 | vmR3DestroyUVM(pUVM);
|
---|
1435 | }
|
---|
1436 |
|
---|
1437 | LogFlow(("VMR3Destroy: returns VINF_SUCCESS\n"));
|
---|
1438 | return VINF_SUCCESS;
|
---|
1439 | }
|
---|
1440 |
|
---|
1441 |
|
---|
1442 | /**
|
---|
1443 | * Internal destruction worker.
|
---|
1444 | *
|
---|
1445 | * This will do nearly all of the job, including sacking the EMT.
|
---|
1446 | *
|
---|
1447 | * @returns VBox status.
|
---|
1448 | * @param pVM VM handle.
|
---|
1449 | */
|
---|
1450 | DECLCALLBACK(int) vmR3Destroy(PVM pVM)
|
---|
1451 | {
|
---|
1452 | PUVM pUVM = pVM->pUVM;
|
---|
1453 | NOREF(pUVM);
|
---|
1454 | LogFlow(("vmR3Destroy: pVM=%p pUVM=%p\n", pVM, pUVM));
|
---|
1455 | VM_ASSERT_EMT(pVM);
|
---|
1456 |
|
---|
1457 | /*
|
---|
1458 | * Dump statistics to the log.
|
---|
1459 | */
|
---|
1460 | #if defined(VBOX_WITH_STATISTICS) || defined(LOG_ENABLED)
|
---|
1461 | RTLogFlags(NULL, "nodisabled nobuffered");
|
---|
1462 | #endif
|
---|
1463 | #ifdef VBOX_WITH_STATISTICS
|
---|
1464 | # ifndef DEBUG_dmik
|
---|
1465 | STAMR3Dump(pVM, "*");
|
---|
1466 | # endif
|
---|
1467 | #else
|
---|
1468 | LogRel(("************************* Statistics *************************\n"));
|
---|
1469 | STAMR3DumpToReleaseLog(pVM, "*");
|
---|
1470 | LogRel(("********************* End of statistics **********************\n"));
|
---|
1471 | #endif
|
---|
1472 |
|
---|
1473 | /*
|
---|
1474 | * Destroy the VM components.
|
---|
1475 | */
|
---|
1476 | int rc = TMR3Term(pVM);
|
---|
1477 | AssertRC(rc);
|
---|
1478 | #ifdef VBOX_WITH_DEBUGGER
|
---|
1479 | rc = DBGCTcpTerminate(pVM, pUVM->vm.s.pvDBGC);
|
---|
1480 | pVM->pUVM->vm.s.pvDBGC = NULL;
|
---|
1481 | #endif
|
---|
1482 | AssertRC(rc);
|
---|
1483 | rc = DBGFR3Term(pVM);
|
---|
1484 | AssertRC(rc);
|
---|
1485 | rc = PDMR3Term(pVM);
|
---|
1486 | AssertRC(rc);
|
---|
1487 | rc = EMR3Term(pVM);
|
---|
1488 | AssertRC(rc);
|
---|
1489 | rc = IOMR3Term(pVM);
|
---|
1490 | AssertRC(rc);
|
---|
1491 | rc = CSAMR3Term(pVM);
|
---|
1492 | AssertRC(rc);
|
---|
1493 | rc = PATMR3Term(pVM);
|
---|
1494 | AssertRC(rc);
|
---|
1495 | rc = TRPMR3Term(pVM);
|
---|
1496 | AssertRC(rc);
|
---|
1497 | rc = SELMR3Term(pVM);
|
---|
1498 | AssertRC(rc);
|
---|
1499 | rc = REMR3Term(pVM);
|
---|
1500 | AssertRC(rc);
|
---|
1501 | rc = HWACCMR3Term(pVM);
|
---|
1502 | AssertRC(rc);
|
---|
1503 | rc = PGMR3Term(pVM);
|
---|
1504 | AssertRC(rc);
|
---|
1505 | rc = VMMR3Term(pVM); /* Terminates the ring-0 code! */
|
---|
1506 | AssertRC(rc);
|
---|
1507 | rc = CPUMR3Term(pVM);
|
---|
1508 | AssertRC(rc);
|
---|
1509 | rc = PDMR3CritSectTerm(pVM);
|
---|
1510 | AssertRC(rc);
|
---|
1511 | rc = MMR3Term(pVM);
|
---|
1512 | AssertRC(rc);
|
---|
1513 |
|
---|
1514 | /*
|
---|
1515 | * We're done in this thread (EMT).
|
---|
1516 | */
|
---|
1517 | ASMAtomicUoWriteBool(&pVM->pUVM->vm.s.fTerminateEMT, true);
|
---|
1518 | ASMAtomicWriteU32(&pVM->fForcedActions, VM_FF_TERMINATE);
|
---|
1519 | LogFlow(("vmR3Destroy: returning %Vrc\n", VINF_EM_TERMINATE));
|
---|
1520 | return VINF_EM_TERMINATE;
|
---|
1521 | }
|
---|
1522 |
|
---|
1523 |
|
---|
1524 | /**
|
---|
1525 | * Destroys the shared VM structure, leaving only UVM behind.
|
---|
1526 | *
|
---|
1527 | * This is called by EMT right before terminating.
|
---|
1528 | *
|
---|
1529 | * @param pUVM The UVM handle.
|
---|
1530 | */
|
---|
1531 | void vmR3DestroyFinalBitFromEMT(PUVM pUVM)
|
---|
1532 | {
|
---|
1533 | if (pUVM->pVM)
|
---|
1534 | {
|
---|
1535 | /*
|
---|
1536 | * Modify state and then terminate MM.
|
---|
1537 | * (MM must be delayed until this point so we don't destroy the callbacks and the request packet.)
|
---|
1538 | */
|
---|
1539 | vmR3SetState(pUVM->pVM, VMSTATE_TERMINATED);
|
---|
1540 |
|
---|
1541 | /*
|
---|
1542 | * Tell GVMM to destroy the VM and free its resources.
|
---|
1543 | */
|
---|
1544 | int rc = SUPCallVMMR0Ex(pUVM->pVM->pVMR0, VMMR0_DO_GVMM_DESTROY_VM, 0, NULL);
|
---|
1545 | AssertRC(rc);
|
---|
1546 | pUVM->pVM = NULL;
|
---|
1547 | }
|
---|
1548 |
|
---|
1549 | /*
|
---|
1550 | * Did EMT call VMR3Destroy and have to do it all?
|
---|
1551 | */
|
---|
1552 | if (pUVM->vm.s.fEMTDoesTheCleanup)
|
---|
1553 | vmR3DestroyUVM(pUVM);
|
---|
1554 | }
|
---|
1555 |
|
---|
1556 |
|
---|
1557 | /**
|
---|
1558 | * Destroys the UVM portion.
|
---|
1559 | *
|
---|
1560 | * This is called as the final step in the VM destruction or as the cleanup
|
---|
1561 | * in case of a creation failure. If EMT called VMR3Destroy, meaning
|
---|
1562 | * VMINTUSERPERVM::fEMTDoesTheCleanup is true, it will call this as
|
---|
1563 | * vmR3DestroyFinalBitFromEMT completes.
|
---|
1564 | *
|
---|
1565 | * @param pVM VM Handle.
|
---|
1566 | */
|
---|
1567 | static void vmR3DestroyUVM(PUVM pUVM)
|
---|
1568 | {
|
---|
1569 | /*
|
---|
1570 | * Terminate the EMT if still running (creation failure only).
|
---|
1571 | */
|
---|
1572 | if (!pUVM->vm.s.fTerminateEMT)
|
---|
1573 | {
|
---|
1574 | ASMAtomicUoWriteBool(&pUVM->vm.s.fTerminateEMT, true);
|
---|
1575 | if (pUVM->pVM)
|
---|
1576 | {
|
---|
1577 | VM_FF_SET(pUVM->pVM, VM_FF_TERMINATE);
|
---|
1578 | VMR3NotifyFF(pUVM->pVM, false);
|
---|
1579 | }
|
---|
1580 | RTSemEventSignal(pUVM->vm.s.EventSemWait);
|
---|
1581 |
|
---|
1582 | int rc2 = RTThreadWait(pUVM->vm.s.ThreadEMT, 2000, NULL);
|
---|
1583 | AssertRC(rc2);
|
---|
1584 | }
|
---|
1585 | RTSemEventDestroy(pUVM->vm.s.EventSemWait);
|
---|
1586 | pUVM->vm.s.EventSemWait = NIL_RTSEMEVENT;
|
---|
1587 |
|
---|
1588 | /*
|
---|
1589 | * Free the event semaphores associated with the request packets.
|
---|
1590 | */
|
---|
1591 | unsigned cReqs = 0;
|
---|
1592 | for (unsigned i = 0; i < RT_ELEMENTS(pUVM->vm.s.apReqFree); i++)
|
---|
1593 | {
|
---|
1594 | PVMREQ pReq = pUVM->vm.s.apReqFree[i];
|
---|
1595 | pUVM->vm.s.apReqFree[i] = NULL;
|
---|
1596 | for (; pReq; pReq = pReq->pNext, cReqs++)
|
---|
1597 | {
|
---|
1598 | pReq->enmState = VMREQSTATE_INVALID;
|
---|
1599 | RTSemEventDestroy(pReq->EventSem);
|
---|
1600 | }
|
---|
1601 | }
|
---|
1602 | Assert(cReqs == pUVM->vm.s.cReqFree); NOREF(cReqs);
|
---|
1603 |
|
---|
1604 | /*
|
---|
1605 | * Kill all queued requests. (There really shouldn't be any!)
|
---|
1606 | */
|
---|
1607 | for (unsigned i = 0; i < 10; i++)
|
---|
1608 | {
|
---|
1609 | PVMREQ pReqHead = (PVMREQ)ASMAtomicXchgPtr((void *volatile *)&pUVM->vm.s.pReqs, NULL);
|
---|
1610 | AssertMsg(!pReqHead, ("This isn't supposed to happen! VMR3Destroy caller has to serialize this.\n"));
|
---|
1611 | if (!pReqHead)
|
---|
1612 | break;
|
---|
1613 | for (PVMREQ pReq = pReqHead; pReq; pReq = pReq->pNext)
|
---|
1614 | {
|
---|
1615 | ASMAtomicUoWriteSize(&pReq->iStatus, VERR_INTERNAL_ERROR);
|
---|
1616 | ASMAtomicWriteSize(&pReq->enmState, VMREQSTATE_INVALID);
|
---|
1617 | RTSemEventSignal(pReq->EventSem);
|
---|
1618 | RTThreadSleep(2);
|
---|
1619 | RTSemEventDestroy(pReq->EventSem);
|
---|
1620 | }
|
---|
1621 | /* give them a chance to respond before we free the request memory. */
|
---|
1622 | RTThreadSleep(32);
|
---|
1623 | }
|
---|
1624 |
|
---|
1625 | /*
|
---|
1626 | * Make sure the VMMR0.r0 module and whatever else is unloaded.
|
---|
1627 | */
|
---|
1628 | PDMR3TermUVM(pUVM);
|
---|
1629 |
|
---|
1630 | /*
|
---|
1631 | * Terminate the support library if initialized.
|
---|
1632 | */
|
---|
1633 | if (pUVM->vm.s.pSession)
|
---|
1634 | {
|
---|
1635 | int rc = SUPTerm();
|
---|
1636 | AssertRC(rc);
|
---|
1637 | pUVM->vm.s.pSession = NIL_RTR0PTR;
|
---|
1638 | }
|
---|
1639 |
|
---|
1640 | /*
|
---|
1641 | * Destroy the MM heap and free the UVM structure.
|
---|
1642 | */
|
---|
1643 | MMR3TermUVM(pUVM);
|
---|
1644 | STAMR3TermUVM(pUVM);
|
---|
1645 |
|
---|
1646 | ASMAtomicUoWriteU32(&pUVM->u32Magic, UINT32_MAX);
|
---|
1647 | RTMemFree(pUVM);
|
---|
1648 |
|
---|
1649 | RTLogFlush(NULL);
|
---|
1650 | }
|
---|
1651 |
|
---|
1652 |
|
---|
1653 | /**
|
---|
1654 | * Enumerates the VMs in this process.
|
---|
1655 | *
|
---|
1656 | * @returns Pointer to the next VM.
|
---|
1657 | * @returns NULL when no more VMs.
|
---|
1658 | * @param pVMPrev The previous VM
|
---|
1659 | * Use NULL to start the enumeration.
|
---|
1660 | */
|
---|
1661 | VMR3DECL(PVM) VMR3EnumVMs(PVM pVMPrev)
|
---|
1662 | {
|
---|
1663 | /*
|
---|
1664 | * This is quick and dirty. It has issues with VM being
|
---|
1665 | * destroyed during the enumeration.
|
---|
1666 | */
|
---|
1667 | PUVM pNext;
|
---|
1668 | if (pVMPrev)
|
---|
1669 | pNext = pVMPrev->pUVM->pNext;
|
---|
1670 | else
|
---|
1671 | pNext = g_pUVMsHead;
|
---|
1672 | return pNext ? pNext->pVM : NULL;
|
---|
1673 | }
|
---|
1674 |
|
---|
1675 |
|
---|
1676 | /**
|
---|
1677 | * Registers an at VM destruction callback.
|
---|
1678 | *
|
---|
1679 | * @returns VBox status code.
|
---|
1680 | * @param pfnAtDtor Pointer to callback.
|
---|
1681 | * @param pvUser User argument.
|
---|
1682 | */
|
---|
1683 | VMR3DECL(int) VMR3AtDtorRegister(PFNVMATDTOR pfnAtDtor, void *pvUser)
|
---|
1684 | {
|
---|
1685 | /*
|
---|
1686 | * Check if already registered.
|
---|
1687 | */
|
---|
1688 | VM_ATDTOR_LOCK();
|
---|
1689 | PVMATDTOR pCur = g_pVMAtDtorHead;
|
---|
1690 | while (pCur)
|
---|
1691 | {
|
---|
1692 | if (pfnAtDtor == pCur->pfnAtDtor)
|
---|
1693 | {
|
---|
1694 | VM_ATDTOR_UNLOCK();
|
---|
1695 | AssertMsgFailed(("Already registered at destruction callback %p!\n", pfnAtDtor));
|
---|
1696 | return VERR_INVALID_PARAMETER;
|
---|
1697 | }
|
---|
1698 |
|
---|
1699 | /* next */
|
---|
1700 | pCur = pCur->pNext;
|
---|
1701 | }
|
---|
1702 | VM_ATDTOR_UNLOCK();
|
---|
1703 |
|
---|
1704 | /*
|
---|
1705 | * Allocate new entry.
|
---|
1706 | */
|
---|
1707 | PVMATDTOR pVMAtDtor = (PVMATDTOR)RTMemAlloc(sizeof(*pVMAtDtor));
|
---|
1708 | if (!pVMAtDtor)
|
---|
1709 | return VERR_NO_MEMORY;
|
---|
1710 |
|
---|
1711 | VM_ATDTOR_LOCK();
|
---|
1712 | pVMAtDtor->pfnAtDtor = pfnAtDtor;
|
---|
1713 | pVMAtDtor->pvUser = pvUser;
|
---|
1714 | pVMAtDtor->pNext = g_pVMAtDtorHead;
|
---|
1715 | g_pVMAtDtorHead = pVMAtDtor;
|
---|
1716 | VM_ATDTOR_UNLOCK();
|
---|
1717 |
|
---|
1718 | return VINF_SUCCESS;
|
---|
1719 | }
|
---|
1720 |
|
---|
1721 |
|
---|
1722 | /**
|
---|
1723 | * Deregisters an at VM destruction callback.
|
---|
1724 | *
|
---|
1725 | * @returns VBox status code.
|
---|
1726 | * @param pfnAtDtor Pointer to callback.
|
---|
1727 | */
|
---|
1728 | VMR3DECL(int) VMR3AtDtorDeregister(PFNVMATDTOR pfnAtDtor)
|
---|
1729 | {
|
---|
1730 | /*
|
---|
1731 | * Find it, unlink it and free it.
|
---|
1732 | */
|
---|
1733 | VM_ATDTOR_LOCK();
|
---|
1734 | PVMATDTOR pPrev = NULL;
|
---|
1735 | PVMATDTOR pCur = g_pVMAtDtorHead;
|
---|
1736 | while (pCur)
|
---|
1737 | {
|
---|
1738 | if (pfnAtDtor == pCur->pfnAtDtor)
|
---|
1739 | {
|
---|
1740 | if (pPrev)
|
---|
1741 | pPrev->pNext = pCur->pNext;
|
---|
1742 | else
|
---|
1743 | g_pVMAtDtorHead = pCur->pNext;
|
---|
1744 | pCur->pNext = NULL;
|
---|
1745 | VM_ATDTOR_UNLOCK();
|
---|
1746 |
|
---|
1747 | RTMemFree(pCur);
|
---|
1748 | return VINF_SUCCESS;
|
---|
1749 | }
|
---|
1750 |
|
---|
1751 | /* next */
|
---|
1752 | pPrev = pCur;
|
---|
1753 | pCur = pCur->pNext;
|
---|
1754 | }
|
---|
1755 | VM_ATDTOR_UNLOCK();
|
---|
1756 |
|
---|
1757 | return VERR_INVALID_PARAMETER;
|
---|
1758 | }
|
---|
1759 |
|
---|
1760 |
|
---|
1761 | /**
|
---|
1762 | * Walks the list of at VM destructor callbacks.
|
---|
1763 | * @param pVM The VM which is about to be destroyed.
|
---|
1764 | */
|
---|
1765 | static void vmR3AtDtor(PVM pVM)
|
---|
1766 | {
|
---|
1767 | /*
|
---|
1768 | * Find it, unlink it and free it.
|
---|
1769 | */
|
---|
1770 | VM_ATDTOR_LOCK();
|
---|
1771 | for (PVMATDTOR pCur = g_pVMAtDtorHead; pCur; pCur = pCur->pNext)
|
---|
1772 | pCur->pfnAtDtor(pVM, pCur->pvUser);
|
---|
1773 | VM_ATDTOR_UNLOCK();
|
---|
1774 | }
|
---|
1775 |
|
---|
1776 |
|
---|
1777 | /**
|
---|
1778 | * Reset the current VM.
|
---|
1779 | *
|
---|
1780 | * @returns VBox status code.
|
---|
1781 | * @param pVM VM to reset.
|
---|
1782 | */
|
---|
1783 | VMR3DECL(int) VMR3Reset(PVM pVM)
|
---|
1784 | {
|
---|
1785 | int rc = VINF_SUCCESS;
|
---|
1786 |
|
---|
1787 | /*
|
---|
1788 | * Check the state.
|
---|
1789 | */
|
---|
1790 | if (!pVM)
|
---|
1791 | return VERR_INVALID_PARAMETER;
|
---|
1792 | if ( pVM->enmVMState != VMSTATE_RUNNING
|
---|
1793 | && pVM->enmVMState != VMSTATE_SUSPENDED)
|
---|
1794 | {
|
---|
1795 | AssertMsgFailed(("Invalid VM state %d\n", pVM->enmVMState));
|
---|
1796 | return VERR_VM_INVALID_VM_STATE;
|
---|
1797 | }
|
---|
1798 |
|
---|
1799 | /*
|
---|
1800 | * Queue reset request to the emulation thread
|
---|
1801 | * and wait for it to be processed.
|
---|
1802 | */
|
---|
1803 | PVMREQ pReq = NULL;
|
---|
1804 | rc = VMR3ReqCall(pVM, &pReq, 0, (PFNRT)vmR3Reset, 1, pVM);
|
---|
1805 | while (rc == VERR_TIMEOUT)
|
---|
1806 | rc = VMR3ReqWait(pReq, RT_INDEFINITE_WAIT);
|
---|
1807 | if (VBOX_SUCCESS(rc))
|
---|
1808 | rc = pReq->iStatus;
|
---|
1809 | VMR3ReqFree(pReq);
|
---|
1810 |
|
---|
1811 | return rc;
|
---|
1812 | }
|
---|
1813 |
|
---|
1814 |
|
---|
1815 | /**
|
---|
1816 | * Worker which checks integrity of some internal structures.
|
---|
1817 | * This is yet another attempt to track down that AVL tree crash.
|
---|
1818 | */
|
---|
1819 | static void vmR3CheckIntegrity(PVM pVM)
|
---|
1820 | {
|
---|
1821 | #ifdef VBOX_STRICT
|
---|
1822 | int rc = PGMR3CheckIntegrity(pVM);
|
---|
1823 | AssertReleaseRC(rc);
|
---|
1824 | #endif
|
---|
1825 | }
|
---|
1826 |
|
---|
1827 |
|
---|
1828 | /**
|
---|
1829 | * Reset request processor.
|
---|
1830 | *
|
---|
1831 | * This is called by the emulation thread as a response to the
|
---|
1832 | * reset request issued by VMR3Reset().
|
---|
1833 | *
|
---|
1834 | * @returns VBox status code.
|
---|
1835 | * @param pVM VM to reset.
|
---|
1836 | */
|
---|
1837 | static DECLCALLBACK(int) vmR3Reset(PVM pVM)
|
---|
1838 | {
|
---|
1839 | /*
|
---|
1840 | * As a safety precaution we temporarily change the state while resetting.
|
---|
1841 | * (If VMR3Reset was not called from EMT we might have change state... let's ignore that fact for now.)
|
---|
1842 | */
|
---|
1843 | VMSTATE enmVMState = pVM->enmVMState;
|
---|
1844 | Assert(enmVMState == VMSTATE_SUSPENDED || enmVMState == VMSTATE_RUNNING);
|
---|
1845 | vmR3SetState(pVM, VMSTATE_RESETTING);
|
---|
1846 | vmR3CheckIntegrity(pVM);
|
---|
1847 |
|
---|
1848 |
|
---|
1849 | /*
|
---|
1850 | * Reset the VM components.
|
---|
1851 | */
|
---|
1852 | PATMR3Reset(pVM);
|
---|
1853 | CSAMR3Reset(pVM);
|
---|
1854 | PGMR3Reset(pVM); /* We clear VM RAM in PGMR3Reset. It's vital PDMR3Reset is executed
|
---|
1855 | * _afterwards_. E.g. ACPI sets up RAM tables during init/reset. */
|
---|
1856 | MMR3Reset(pVM);
|
---|
1857 | PDMR3Reset(pVM);
|
---|
1858 | SELMR3Reset(pVM);
|
---|
1859 | TRPMR3Reset(pVM);
|
---|
1860 | vmR3AtResetU(pVM->pUVM);
|
---|
1861 | REMR3Reset(pVM);
|
---|
1862 | IOMR3Reset(pVM);
|
---|
1863 | CPUMR3Reset(pVM);
|
---|
1864 | TMR3Reset(pVM);
|
---|
1865 | EMR3Reset(pVM);
|
---|
1866 | HWACCMR3Reset(pVM); /* This must come *after* PATM, CSAM, CPUM, SELM and TRPM. */
|
---|
1867 |
|
---|
1868 | #ifdef LOG_ENABLED
|
---|
1869 | /*
|
---|
1870 | * Debug logging.
|
---|
1871 | */
|
---|
1872 | RTLogPrintf("\n\nThe VM was reset:\n");
|
---|
1873 | DBGFR3Info(pVM, "cpum", "verbose", NULL);
|
---|
1874 | #endif
|
---|
1875 |
|
---|
1876 | /*
|
---|
1877 | * Restore the state.
|
---|
1878 | */
|
---|
1879 | vmR3CheckIntegrity(pVM);
|
---|
1880 | Assert(pVM->enmVMState == VMSTATE_RESETTING);
|
---|
1881 | vmR3SetState(pVM, enmVMState);
|
---|
1882 |
|
---|
1883 | return VINF_EM_RESET;
|
---|
1884 | }
|
---|
1885 |
|
---|
1886 |
|
---|
1887 | /**
|
---|
1888 | * Walks the list of at VM reset callbacks and calls them
|
---|
1889 | *
|
---|
1890 | * @returns VBox status code.
|
---|
1891 | * Any failure is fatal.
|
---|
1892 | * @param pUVM Pointe to the user mode VM structure.
|
---|
1893 | */
|
---|
1894 | static int vmR3AtResetU(PUVM pUVM)
|
---|
1895 | {
|
---|
1896 | /*
|
---|
1897 | * Walk the list and call them all.
|
---|
1898 | */
|
---|
1899 | int rc = VINF_SUCCESS;
|
---|
1900 | for (PVMATRESET pCur = pUVM->vm.s.pAtReset; pCur; pCur = pCur->pNext)
|
---|
1901 | {
|
---|
1902 | /* do the call */
|
---|
1903 | switch (pCur->enmType)
|
---|
1904 | {
|
---|
1905 | case VMATRESETTYPE_DEV:
|
---|
1906 | rc = pCur->u.Dev.pfnCallback(pCur->u.Dev.pDevIns, pCur->pvUser);
|
---|
1907 | break;
|
---|
1908 | case VMATRESETTYPE_INTERNAL:
|
---|
1909 | rc = pCur->u.Internal.pfnCallback(pUVM->pVM, pCur->pvUser);
|
---|
1910 | break;
|
---|
1911 | case VMATRESETTYPE_EXTERNAL:
|
---|
1912 | pCur->u.External.pfnCallback(pCur->pvUser);
|
---|
1913 | break;
|
---|
1914 | default:
|
---|
1915 | AssertMsgFailed(("Invalid at-reset type %d!\n", pCur->enmType));
|
---|
1916 | return VERR_INTERNAL_ERROR;
|
---|
1917 | }
|
---|
1918 |
|
---|
1919 | if (VBOX_FAILURE(rc))
|
---|
1920 | {
|
---|
1921 | AssertMsgFailed(("At-reset handler %s failed with rc=%d\n", pCur->pszDesc, rc));
|
---|
1922 | return rc;
|
---|
1923 | }
|
---|
1924 | }
|
---|
1925 |
|
---|
1926 | return VINF_SUCCESS;
|
---|
1927 | }
|
---|
1928 |
|
---|
1929 |
|
---|
1930 | /**
|
---|
1931 | * Internal registration function
|
---|
1932 | */
|
---|
1933 | static int vmr3AtResetRegisterU(PUVM pUVM, void *pvUser, const char *pszDesc, PVMATRESET *ppNew)
|
---|
1934 | {
|
---|
1935 | /*
|
---|
1936 | * Allocate restration structure.
|
---|
1937 | */
|
---|
1938 | PVMATRESET pNew = (PVMATRESET)MMR3HeapAllocU(pUVM, MM_TAG_VM, sizeof(*pNew));
|
---|
1939 | if (pNew)
|
---|
1940 | {
|
---|
1941 | /* fill data. */
|
---|
1942 | pNew->pNext = NULL;
|
---|
1943 | pNew->pszDesc = pszDesc;
|
---|
1944 | pNew->pvUser = pvUser;
|
---|
1945 |
|
---|
1946 | /* insert */
|
---|
1947 | *pUVM->vm.s.ppAtResetNext = pNew;
|
---|
1948 | pUVM->vm.s.ppAtResetNext = &pNew->pNext;
|
---|
1949 |
|
---|
1950 | *ppNew = pNew;
|
---|
1951 | return VINF_SUCCESS;
|
---|
1952 | }
|
---|
1953 | return VERR_NO_MEMORY;
|
---|
1954 | }
|
---|
1955 |
|
---|
1956 |
|
---|
1957 | /**
|
---|
1958 | * Registers an at VM reset callback.
|
---|
1959 | *
|
---|
1960 | * @returns VBox status code.
|
---|
1961 | * @param pVM The VM.
|
---|
1962 | * @param pDevInst Device instance.
|
---|
1963 | * @param pfnCallback Callback function.
|
---|
1964 | * @param pvUser User argument.
|
---|
1965 | * @param pszDesc Description (optional).
|
---|
1966 | */
|
---|
1967 | VMR3DECL(int) VMR3AtResetRegister(PVM pVM, PPDMDEVINS pDevInst, PFNVMATRESET pfnCallback, void *pvUser, const char *pszDesc)
|
---|
1968 | {
|
---|
1969 | /*
|
---|
1970 | * Validate.
|
---|
1971 | */
|
---|
1972 | if (!pDevInst)
|
---|
1973 | {
|
---|
1974 | AssertMsgFailed(("pDevIns is NULL!\n"));
|
---|
1975 | return VERR_INVALID_PARAMETER;
|
---|
1976 | }
|
---|
1977 |
|
---|
1978 | /*
|
---|
1979 | * Create the new entry.
|
---|
1980 | */
|
---|
1981 | PVMATRESET pNew;
|
---|
1982 | int rc = vmr3AtResetRegisterU(pVM->pUVM, pvUser, pszDesc, &pNew);
|
---|
1983 | if (VBOX_SUCCESS(rc))
|
---|
1984 | {
|
---|
1985 | /*
|
---|
1986 | * Fill in type data.
|
---|
1987 | */
|
---|
1988 | pNew->enmType = VMATRESETTYPE_DEV;
|
---|
1989 | pNew->u.Dev.pfnCallback = pfnCallback;
|
---|
1990 | pNew->u.Dev.pDevIns = pDevInst;
|
---|
1991 | }
|
---|
1992 |
|
---|
1993 | return rc;
|
---|
1994 | }
|
---|
1995 |
|
---|
1996 |
|
---|
1997 | /**
|
---|
1998 | * Registers an at VM reset internal callback.
|
---|
1999 | *
|
---|
2000 | * @returns VBox status code.
|
---|
2001 | * @param pVM The VM.
|
---|
2002 | * @param pfnCallback Callback function.
|
---|
2003 | * @param pvUser User argument.
|
---|
2004 | * @param pszDesc Description (optional).
|
---|
2005 | */
|
---|
2006 | VMR3DECL(int) VMR3AtResetRegisterInternal(PVM pVM, PFNVMATRESETINT pfnCallback, void *pvUser, const char *pszDesc)
|
---|
2007 | {
|
---|
2008 | /*
|
---|
2009 | * Validate.
|
---|
2010 | */
|
---|
2011 | if (!pfnCallback)
|
---|
2012 | {
|
---|
2013 | AssertMsgFailed(("pfnCallback is NULL!\n"));
|
---|
2014 | return VERR_INVALID_PARAMETER;
|
---|
2015 | }
|
---|
2016 |
|
---|
2017 | /*
|
---|
2018 | * Create the new entry.
|
---|
2019 | */
|
---|
2020 | PVMATRESET pNew;
|
---|
2021 | int rc = vmr3AtResetRegisterU(pVM->pUVM, pvUser, pszDesc, &pNew);
|
---|
2022 | if (VBOX_SUCCESS(rc))
|
---|
2023 | {
|
---|
2024 | /*
|
---|
2025 | * Fill in type data.
|
---|
2026 | */
|
---|
2027 | pNew->enmType = VMATRESETTYPE_INTERNAL;
|
---|
2028 | pNew->u.Internal.pfnCallback = pfnCallback;
|
---|
2029 | }
|
---|
2030 |
|
---|
2031 | return rc;
|
---|
2032 | }
|
---|
2033 |
|
---|
2034 |
|
---|
2035 | /**
|
---|
2036 | * Registers an at VM reset external callback.
|
---|
2037 | *
|
---|
2038 | * @returns VBox status code.
|
---|
2039 | * @param pVM The VM.
|
---|
2040 | * @param pfnCallback Callback function.
|
---|
2041 | * @param pvUser User argument.
|
---|
2042 | * @param pszDesc Description (optional).
|
---|
2043 | */
|
---|
2044 | VMR3DECL(int) VMR3AtResetRegisterExternal(PVM pVM, PFNVMATRESETEXT pfnCallback, void *pvUser, const char *pszDesc)
|
---|
2045 | {
|
---|
2046 | /*
|
---|
2047 | * Validate.
|
---|
2048 | */
|
---|
2049 | if (!pfnCallback)
|
---|
2050 | {
|
---|
2051 | AssertMsgFailed(("pfnCallback is NULL!\n"));
|
---|
2052 | return VERR_INVALID_PARAMETER;
|
---|
2053 | }
|
---|
2054 |
|
---|
2055 | /*
|
---|
2056 | * Create the new entry.
|
---|
2057 | */
|
---|
2058 | PVMATRESET pNew;
|
---|
2059 | int rc = vmr3AtResetRegisterU(pVM->pUVM, pvUser, pszDesc, &pNew);
|
---|
2060 | if (VBOX_SUCCESS(rc))
|
---|
2061 | {
|
---|
2062 | /*
|
---|
2063 | * Fill in type data.
|
---|
2064 | */
|
---|
2065 | pNew->enmType = VMATRESETTYPE_EXTERNAL;
|
---|
2066 | pNew->u.External.pfnCallback = pfnCallback;
|
---|
2067 | }
|
---|
2068 |
|
---|
2069 | return rc;
|
---|
2070 | }
|
---|
2071 |
|
---|
2072 |
|
---|
2073 | /**
|
---|
2074 | * Unlinks and frees a callback.
|
---|
2075 | *
|
---|
2076 | * @returns Pointer to the next callback structure.
|
---|
2077 | * @param pUVM Pointer to the user mode VM structure.
|
---|
2078 | * @param pCur The one to free.
|
---|
2079 | * @param pPrev The one before pCur.
|
---|
2080 | */
|
---|
2081 | static PVMATRESET vmr3AtResetFreeU(PUVM pUVM, PVMATRESET pCur, PVMATRESET pPrev)
|
---|
2082 | {
|
---|
2083 | /*
|
---|
2084 | * Unlink it.
|
---|
2085 | */
|
---|
2086 | PVMATRESET pNext = pCur->pNext;
|
---|
2087 | if (pPrev)
|
---|
2088 | {
|
---|
2089 | pPrev->pNext = pNext;
|
---|
2090 | if (!pNext)
|
---|
2091 | pUVM->vm.s.ppAtResetNext = &pPrev->pNext;
|
---|
2092 | }
|
---|
2093 | else
|
---|
2094 | {
|
---|
2095 | pUVM->vm.s.pAtReset = pNext;
|
---|
2096 | if (!pNext)
|
---|
2097 | pUVM->vm.s.ppAtResetNext = &pUVM->vm.s.pAtReset;
|
---|
2098 | }
|
---|
2099 |
|
---|
2100 | /*
|
---|
2101 | * Free it.
|
---|
2102 | */
|
---|
2103 | MMR3HeapFree(pCur);
|
---|
2104 |
|
---|
2105 | return pNext;
|
---|
2106 | }
|
---|
2107 |
|
---|
2108 |
|
---|
2109 | /**
|
---|
2110 | * Deregisters an at VM reset callback.
|
---|
2111 | *
|
---|
2112 | * @returns VBox status code.
|
---|
2113 | * @param pVM The VM.
|
---|
2114 | * @param pDevInst Device instance.
|
---|
2115 | * @param pfnCallback Callback function.
|
---|
2116 | */
|
---|
2117 | VMR3DECL(int) VMR3AtResetDeregister(PVM pVM, PPDMDEVINS pDevInst, PFNVMATRESET pfnCallback)
|
---|
2118 | {
|
---|
2119 | int rc = VERR_VM_ATRESET_NOT_FOUND;
|
---|
2120 | PVMATRESET pPrev = NULL;
|
---|
2121 | PVMATRESET pCur = pVM->pUVM->vm.s.pAtReset;
|
---|
2122 | while (pCur)
|
---|
2123 | {
|
---|
2124 | if ( pCur->enmType == VMATRESETTYPE_DEV
|
---|
2125 | && pCur->u.Dev.pDevIns == pDevInst
|
---|
2126 | && (!pfnCallback || pCur->u.Dev.pfnCallback == pfnCallback))
|
---|
2127 | {
|
---|
2128 | pCur = vmr3AtResetFreeU(pVM->pUVM, pCur, pPrev);
|
---|
2129 | rc = VINF_SUCCESS;
|
---|
2130 | }
|
---|
2131 | else
|
---|
2132 | {
|
---|
2133 | pPrev = pCur;
|
---|
2134 | pCur = pCur->pNext;
|
---|
2135 | }
|
---|
2136 | }
|
---|
2137 |
|
---|
2138 | AssertRC(rc);
|
---|
2139 | return rc;
|
---|
2140 | }
|
---|
2141 |
|
---|
2142 |
|
---|
2143 | /**
|
---|
2144 | * Deregisters an at VM reset internal callback.
|
---|
2145 | *
|
---|
2146 | * @returns VBox status code.
|
---|
2147 | * @param pVM The VM.
|
---|
2148 | * @param pfnCallback Callback function.
|
---|
2149 | */
|
---|
2150 | VMR3DECL(int) VMR3AtResetDeregisterInternal(PVM pVM, PFNVMATRESETINT pfnCallback)
|
---|
2151 | {
|
---|
2152 | int rc = VERR_VM_ATRESET_NOT_FOUND;
|
---|
2153 | PVMATRESET pPrev = NULL;
|
---|
2154 | PVMATRESET pCur = pVM->pUVM->vm.s.pAtReset;
|
---|
2155 | while (pCur)
|
---|
2156 | {
|
---|
2157 | if ( pCur->enmType == VMATRESETTYPE_INTERNAL
|
---|
2158 | && pCur->u.Internal.pfnCallback == pfnCallback)
|
---|
2159 | {
|
---|
2160 | pCur = vmr3AtResetFreeU(pVM->pUVM, pCur, pPrev);
|
---|
2161 | rc = VINF_SUCCESS;
|
---|
2162 | }
|
---|
2163 | else
|
---|
2164 | {
|
---|
2165 | pPrev = pCur;
|
---|
2166 | pCur = pCur->pNext;
|
---|
2167 | }
|
---|
2168 | }
|
---|
2169 |
|
---|
2170 | AssertRC(rc);
|
---|
2171 | return rc;
|
---|
2172 | }
|
---|
2173 |
|
---|
2174 |
|
---|
2175 | /**
|
---|
2176 | * Deregisters an at VM reset external callback.
|
---|
2177 | *
|
---|
2178 | * @returns VBox status code.
|
---|
2179 | * @param pVM The VM.
|
---|
2180 | * @param pfnCallback Callback function.
|
---|
2181 | */
|
---|
2182 | VMR3DECL(int) VMR3AtResetDeregisterExternal(PVM pVM, PFNVMATRESETEXT pfnCallback)
|
---|
2183 | {
|
---|
2184 | int rc = VERR_VM_ATRESET_NOT_FOUND;
|
---|
2185 | PVMATRESET pPrev = NULL;
|
---|
2186 | PVMATRESET pCur = pVM->pUVM->vm.s.pAtReset;
|
---|
2187 | while (pCur)
|
---|
2188 | {
|
---|
2189 | if ( pCur->enmType == VMATRESETTYPE_INTERNAL
|
---|
2190 | && pCur->u.External.pfnCallback == pfnCallback)
|
---|
2191 | {
|
---|
2192 | pCur = vmr3AtResetFreeU(pVM->pUVM, pCur, pPrev);
|
---|
2193 | rc = VINF_SUCCESS;
|
---|
2194 | }
|
---|
2195 | else
|
---|
2196 | {
|
---|
2197 | pPrev = pCur;
|
---|
2198 | pCur = pCur->pNext;
|
---|
2199 | }
|
---|
2200 | }
|
---|
2201 |
|
---|
2202 | AssertRC(rc);
|
---|
2203 | return rc;
|
---|
2204 | }
|
---|
2205 |
|
---|
2206 |
|
---|
2207 | /**
|
---|
2208 | * Gets the current VM state.
|
---|
2209 | *
|
---|
2210 | * @returns The current VM state.
|
---|
2211 | * @param pVM VM handle.
|
---|
2212 | * @thread Any
|
---|
2213 | */
|
---|
2214 | VMR3DECL(VMSTATE) VMR3GetState(PVM pVM)
|
---|
2215 | {
|
---|
2216 | return pVM->enmVMState;
|
---|
2217 | }
|
---|
2218 |
|
---|
2219 |
|
---|
2220 | /**
|
---|
2221 | * Gets the state name string for a VM state.
|
---|
2222 | *
|
---|
2223 | * @returns Pointer to the state name. (readonly)
|
---|
2224 | * @param enmState The state.
|
---|
2225 | */
|
---|
2226 | VMR3DECL(const char *) VMR3GetStateName(VMSTATE enmState)
|
---|
2227 | {
|
---|
2228 | switch (enmState)
|
---|
2229 | {
|
---|
2230 | case VMSTATE_CREATING: return "CREATING";
|
---|
2231 | case VMSTATE_CREATED: return "CREATED";
|
---|
2232 | case VMSTATE_RUNNING: return "RUNNING";
|
---|
2233 | case VMSTATE_LOADING: return "LOADING";
|
---|
2234 | case VMSTATE_LOAD_FAILURE: return "LOAD_FAILURE";
|
---|
2235 | case VMSTATE_SAVING: return "SAVING";
|
---|
2236 | case VMSTATE_SUSPENDED: return "SUSPENDED";
|
---|
2237 | case VMSTATE_RESETTING: return "RESETTING";
|
---|
2238 | case VMSTATE_GURU_MEDITATION: return "GURU_MEDITATION";
|
---|
2239 | case VMSTATE_OFF: return "OFF";
|
---|
2240 | case VMSTATE_DESTROYING: return "DESTROYING";
|
---|
2241 | case VMSTATE_TERMINATED: return "TERMINATED";
|
---|
2242 | default:
|
---|
2243 | AssertMsgFailed(("Unknown state %d\n", enmState));
|
---|
2244 | return "Unknown!\n";
|
---|
2245 | }
|
---|
2246 | }
|
---|
2247 |
|
---|
2248 |
|
---|
2249 | /**
|
---|
2250 | * Sets the current VM state.
|
---|
2251 | *
|
---|
2252 | * @returns The current VM state.
|
---|
2253 | * @param pVM VM handle.
|
---|
2254 | * @param enmStateNew The new state.
|
---|
2255 | */
|
---|
2256 | void vmR3SetState(PVM pVM, VMSTATE enmStateNew)
|
---|
2257 | {
|
---|
2258 | /*
|
---|
2259 | * Validate state machine transitions before doing the actual change.
|
---|
2260 | */
|
---|
2261 | VMSTATE enmStateOld = pVM->enmVMState;
|
---|
2262 | switch (enmStateOld)
|
---|
2263 | {
|
---|
2264 | case VMSTATE_OFF:
|
---|
2265 | Assert(enmStateNew != VMSTATE_GURU_MEDITATION);
|
---|
2266 | break;
|
---|
2267 |
|
---|
2268 | default:
|
---|
2269 | /** @todo full validation. */
|
---|
2270 | break;
|
---|
2271 | }
|
---|
2272 |
|
---|
2273 | pVM->enmVMState = enmStateNew;
|
---|
2274 | LogRel(("Changing the VM state from '%s' to '%s'.\n", VMR3GetStateName(enmStateOld), VMR3GetStateName(enmStateNew)));
|
---|
2275 |
|
---|
2276 | /*
|
---|
2277 | * Call the at state change callbacks.
|
---|
2278 | */
|
---|
2279 | for (PVMATSTATE pCur = pVM->pUVM->vm.s.pAtState; pCur; pCur = pCur->pNext)
|
---|
2280 | {
|
---|
2281 | pCur->pfnAtState(pVM, enmStateNew, enmStateOld, pCur->pvUser);
|
---|
2282 | if (pVM->enmVMState == VMSTATE_DESTROYING)
|
---|
2283 | break;
|
---|
2284 | AssertMsg(pVM->enmVMState == enmStateNew,
|
---|
2285 | ("You are not allowed to change the state while in the change callback, except "
|
---|
2286 | "from destroying the VM. There are restrictions in the way the state changes "
|
---|
2287 | "are propagated up to the EM execution loop and it makes the program flow very "
|
---|
2288 | "difficult to follow.\n"));
|
---|
2289 | }
|
---|
2290 | }
|
---|
2291 |
|
---|
2292 |
|
---|
2293 | /**
|
---|
2294 | * Registers a VM state change callback.
|
---|
2295 | *
|
---|
2296 | * You are not allowed to call any function which changes the VM state from a
|
---|
2297 | * state callback, except VMR3Destroy().
|
---|
2298 | *
|
---|
2299 | * @returns VBox status code.
|
---|
2300 | * @param pVM VM handle.
|
---|
2301 | * @param pfnAtState Pointer to callback.
|
---|
2302 | * @param pvUser User argument.
|
---|
2303 | * @thread Any.
|
---|
2304 | */
|
---|
2305 | VMR3DECL(int) VMR3AtStateRegister(PVM pVM, PFNVMATSTATE pfnAtState, void *pvUser)
|
---|
2306 | {
|
---|
2307 | LogFlow(("VMR3AtStateRegister: pfnAtState=%p pvUser=%p\n", pfnAtState, pvUser));
|
---|
2308 |
|
---|
2309 | /*
|
---|
2310 | * Validate input.
|
---|
2311 | */
|
---|
2312 | if (!pfnAtState)
|
---|
2313 | {
|
---|
2314 | AssertMsgFailed(("callback is required\n"));
|
---|
2315 | return VERR_INVALID_PARAMETER;
|
---|
2316 | }
|
---|
2317 |
|
---|
2318 | /*
|
---|
2319 | * Make sure we're in EMT (to avoid the logging).
|
---|
2320 | */
|
---|
2321 | PVMREQ pReq;
|
---|
2322 | int rc = VMR3ReqCall(pVM, &pReq, RT_INDEFINITE_WAIT, (PFNRT)vmR3AtStateRegisterU, 3, pVM->pUVM, pfnAtState, pvUser);
|
---|
2323 | if (VBOX_FAILURE(rc))
|
---|
2324 | return rc;
|
---|
2325 | rc = pReq->iStatus;
|
---|
2326 | VMR3ReqFree(pReq);
|
---|
2327 |
|
---|
2328 | LogFlow(("VMR3AtStateRegister: returns %Vrc\n", rc));
|
---|
2329 | return rc;
|
---|
2330 | }
|
---|
2331 |
|
---|
2332 |
|
---|
2333 | /**
|
---|
2334 | * Registers a VM state change callback.
|
---|
2335 | *
|
---|
2336 | * @returns VBox status code.
|
---|
2337 | * @param pUVM Pointer to the user mode VM structure.
|
---|
2338 | * @param pfnAtState Pointer to callback.
|
---|
2339 | * @param pvUser User argument.
|
---|
2340 | * @thread EMT
|
---|
2341 | */
|
---|
2342 | static DECLCALLBACK(int) vmR3AtStateRegisterU(PUVM pUVM, PFNVMATSTATE pfnAtState, void *pvUser)
|
---|
2343 | {
|
---|
2344 | /*
|
---|
2345 | * Allocate a new record.
|
---|
2346 | */
|
---|
2347 |
|
---|
2348 | PVMATSTATE pNew = (PVMATSTATE)MMR3HeapAllocU(pUVM, MM_TAG_VM, sizeof(*pNew));
|
---|
2349 | if (!pNew)
|
---|
2350 | return VERR_NO_MEMORY;
|
---|
2351 |
|
---|
2352 | /* fill */
|
---|
2353 | pNew->pfnAtState = pfnAtState;
|
---|
2354 | pNew->pvUser = pvUser;
|
---|
2355 | pNew->pNext = NULL;
|
---|
2356 |
|
---|
2357 | /* insert */
|
---|
2358 | *pUVM->vm.s.ppAtStateNext = pNew;
|
---|
2359 | pUVM->vm.s.ppAtStateNext = &pNew->pNext;
|
---|
2360 |
|
---|
2361 | return VINF_SUCCESS;
|
---|
2362 | }
|
---|
2363 |
|
---|
2364 |
|
---|
2365 | /**
|
---|
2366 | * Deregisters a VM state change callback.
|
---|
2367 | *
|
---|
2368 | * @returns VBox status code.
|
---|
2369 | * @param pVM VM handle.
|
---|
2370 | * @param pfnAtState Pointer to callback.
|
---|
2371 | * @param pvUser User argument.
|
---|
2372 | * @thread Any.
|
---|
2373 | */
|
---|
2374 | VMR3DECL(int) VMR3AtStateDeregister(PVM pVM, PFNVMATSTATE pfnAtState, void *pvUser)
|
---|
2375 | {
|
---|
2376 | LogFlow(("VMR3AtStateDeregister: pfnAtState=%p pvUser=%p\n", pfnAtState, pvUser));
|
---|
2377 |
|
---|
2378 | /*
|
---|
2379 | * Validate input.
|
---|
2380 | */
|
---|
2381 | if (!pfnAtState)
|
---|
2382 | {
|
---|
2383 | AssertMsgFailed(("callback is required\n"));
|
---|
2384 | return VERR_INVALID_PARAMETER;
|
---|
2385 | }
|
---|
2386 |
|
---|
2387 | /*
|
---|
2388 | * Make sure we're in EMT (to avoid the logging).
|
---|
2389 | */
|
---|
2390 | PVMREQ pReq;
|
---|
2391 | int rc = VMR3ReqCall(pVM, &pReq, RT_INDEFINITE_WAIT, (PFNRT)vmR3AtStateDeregisterU, 3, pVM->pUVM, pfnAtState, pvUser);
|
---|
2392 | if (VBOX_FAILURE(rc))
|
---|
2393 | return rc;
|
---|
2394 | rc = pReq->iStatus;
|
---|
2395 | VMR3ReqFree(pReq);
|
---|
2396 |
|
---|
2397 | LogFlow(("VMR3AtStateDeregister: returns %Vrc\n", rc));
|
---|
2398 | return rc;
|
---|
2399 | }
|
---|
2400 |
|
---|
2401 |
|
---|
2402 | /**
|
---|
2403 | * Deregisters a VM state change callback.
|
---|
2404 | *
|
---|
2405 | * @returns VBox status code.
|
---|
2406 | * @param pUVM Pointer to the user mode VM structure.
|
---|
2407 | * @param pfnAtState Pointer to callback.
|
---|
2408 | * @param pvUser User argument.
|
---|
2409 | * @thread EMT
|
---|
2410 | */
|
---|
2411 | static DECLCALLBACK(int) vmR3AtStateDeregisterU(PUVM pUVM, PFNVMATSTATE pfnAtState, void *pvUser)
|
---|
2412 | {
|
---|
2413 | LogFlow(("vmR3AtStateDeregisterU: pfnAtState=%p pvUser=%p\n", pfnAtState, pvUser));
|
---|
2414 |
|
---|
2415 | /*
|
---|
2416 | * Search the list for the entry.
|
---|
2417 | */
|
---|
2418 | PVMATSTATE pPrev = NULL;
|
---|
2419 | PVMATSTATE pCur = pUVM->vm.s.pAtState;
|
---|
2420 | while ( pCur
|
---|
2421 | && pCur->pfnAtState == pfnAtState
|
---|
2422 | && pCur->pvUser == pvUser)
|
---|
2423 | {
|
---|
2424 | pPrev = pCur;
|
---|
2425 | pCur = pCur->pNext;
|
---|
2426 | }
|
---|
2427 | if (!pCur)
|
---|
2428 | {
|
---|
2429 | AssertMsgFailed(("pfnAtState=%p was not found\n", pfnAtState));
|
---|
2430 | return VERR_FILE_NOT_FOUND;
|
---|
2431 | }
|
---|
2432 |
|
---|
2433 | /*
|
---|
2434 | * Unlink it.
|
---|
2435 | */
|
---|
2436 | if (pPrev)
|
---|
2437 | {
|
---|
2438 | pPrev->pNext = pCur->pNext;
|
---|
2439 | if (!pCur->pNext)
|
---|
2440 | pUVM->vm.s.ppAtStateNext = &pPrev->pNext;
|
---|
2441 | }
|
---|
2442 | else
|
---|
2443 | {
|
---|
2444 | pUVM->vm.s.pAtState = pCur->pNext;
|
---|
2445 | if (!pCur->pNext)
|
---|
2446 | pUVM->vm.s.ppAtStateNext = &pUVM->vm.s.pAtState;
|
---|
2447 | }
|
---|
2448 |
|
---|
2449 | /*
|
---|
2450 | * Free it.
|
---|
2451 | */
|
---|
2452 | pCur->pfnAtState = NULL;
|
---|
2453 | pCur->pNext = NULL;
|
---|
2454 | MMR3HeapFree(pCur);
|
---|
2455 |
|
---|
2456 | return VINF_SUCCESS;
|
---|
2457 | }
|
---|
2458 |
|
---|
2459 |
|
---|
2460 | /**
|
---|
2461 | * Registers a VM error callback.
|
---|
2462 | *
|
---|
2463 | * @returns VBox status code.
|
---|
2464 | * @param pVM The VM handle.
|
---|
2465 | * @param pfnAtError Pointer to callback.
|
---|
2466 | * @param pvUser User argument.
|
---|
2467 | * @thread Any.
|
---|
2468 | */
|
---|
2469 | VMR3DECL(int) VMR3AtErrorRegister(PVM pVM, PFNVMATERROR pfnAtError, void *pvUser)
|
---|
2470 | {
|
---|
2471 | return VMR3AtErrorRegisterU(pVM->pUVM, pfnAtError, pvUser);
|
---|
2472 | }
|
---|
2473 |
|
---|
2474 |
|
---|
2475 | /**
|
---|
2476 | * Registers a VM error callback.
|
---|
2477 | *
|
---|
2478 | * @returns VBox status code.
|
---|
2479 | * @param pUVM The VM handle.
|
---|
2480 | * @param pfnAtError Pointer to callback.
|
---|
2481 | * @param pvUser User argument.
|
---|
2482 | * @thread Any.
|
---|
2483 | */
|
---|
2484 | VMR3DECL(int) VMR3AtErrorRegisterU(PUVM pUVM, PFNVMATERROR pfnAtError, void *pvUser)
|
---|
2485 | {
|
---|
2486 | LogFlow(("VMR3AtErrorRegister: pfnAtError=%p pvUser=%p\n", pfnAtError, pvUser));
|
---|
2487 | AssertPtrReturn(pfnAtError, VERR_INVALID_PARAMETER);
|
---|
2488 |
|
---|
2489 | /*
|
---|
2490 | * Make sure we're in EMT (to avoid the logging).
|
---|
2491 | */
|
---|
2492 | PVMREQ pReq;
|
---|
2493 | int rc = VMR3ReqCallU(pUVM, &pReq, RT_INDEFINITE_WAIT, 0, (PFNRT)vmR3AtErrorRegisterU, 3, pUVM, pfnAtError, pvUser);
|
---|
2494 | if (VBOX_FAILURE(rc))
|
---|
2495 | return rc;
|
---|
2496 | rc = pReq->iStatus;
|
---|
2497 | VMR3ReqFree(pReq);
|
---|
2498 |
|
---|
2499 | LogFlow(("VMR3AtErrorRegister: returns %Vrc\n", rc));
|
---|
2500 | return rc;
|
---|
2501 | }
|
---|
2502 |
|
---|
2503 |
|
---|
2504 | /**
|
---|
2505 | * Registers a VM error callback.
|
---|
2506 | *
|
---|
2507 | * @returns VBox status code.
|
---|
2508 | * @param pUVM Pointer to the user mode VM structure.
|
---|
2509 | * @param pfnAtError Pointer to callback.
|
---|
2510 | * @param pvUser User argument.
|
---|
2511 | * @thread EMT
|
---|
2512 | */
|
---|
2513 | static DECLCALLBACK(int) vmR3AtErrorRegisterU(PUVM pUVM, PFNVMATERROR pfnAtError, void *pvUser)
|
---|
2514 | {
|
---|
2515 | /*
|
---|
2516 | * Allocate a new record.
|
---|
2517 | */
|
---|
2518 |
|
---|
2519 | PVMATERROR pNew = (PVMATERROR)MMR3HeapAllocU(pUVM, MM_TAG_VM, sizeof(*pNew));
|
---|
2520 | if (!pNew)
|
---|
2521 | return VERR_NO_MEMORY;
|
---|
2522 |
|
---|
2523 | /* fill */
|
---|
2524 | pNew->pfnAtError = pfnAtError;
|
---|
2525 | pNew->pvUser = pvUser;
|
---|
2526 | pNew->pNext = NULL;
|
---|
2527 |
|
---|
2528 | /* insert */
|
---|
2529 | *pUVM->vm.s.ppAtErrorNext = pNew;
|
---|
2530 | pUVM->vm.s.ppAtErrorNext = &pNew->pNext;
|
---|
2531 |
|
---|
2532 | return VINF_SUCCESS;
|
---|
2533 | }
|
---|
2534 |
|
---|
2535 |
|
---|
2536 | /**
|
---|
2537 | * Deregisters a VM error callback.
|
---|
2538 | *
|
---|
2539 | * @returns VBox status code.
|
---|
2540 | * @param pVM The VM handle.
|
---|
2541 | * @param pfnAtError Pointer to callback.
|
---|
2542 | * @param pvUser User argument.
|
---|
2543 | * @thread Any.
|
---|
2544 | */
|
---|
2545 | VMR3DECL(int) VMR3AtErrorDeregister(PVM pVM, PFNVMATERROR pfnAtError, void *pvUser)
|
---|
2546 | {
|
---|
2547 | LogFlow(("VMR3AtErrorDeregister: pfnAtError=%p pvUser=%p\n", pfnAtError, pvUser));
|
---|
2548 |
|
---|
2549 | /*
|
---|
2550 | * Validate input.
|
---|
2551 | */
|
---|
2552 | if (!pfnAtError)
|
---|
2553 | {
|
---|
2554 | AssertMsgFailed(("callback is required\n"));
|
---|
2555 | return VERR_INVALID_PARAMETER;
|
---|
2556 | }
|
---|
2557 |
|
---|
2558 | /*
|
---|
2559 | * Make sure we're in EMT (to avoid the logging).
|
---|
2560 | */
|
---|
2561 | PVMREQ pReq;
|
---|
2562 | int rc = VMR3ReqCall(pVM, &pReq, RT_INDEFINITE_WAIT, (PFNRT)vmR3AtErrorDeregisterU, 3, pVM->pUVM, pfnAtError, pvUser);
|
---|
2563 | if (VBOX_FAILURE(rc))
|
---|
2564 | return rc;
|
---|
2565 | rc = pReq->iStatus;
|
---|
2566 | VMR3ReqFree(pReq);
|
---|
2567 |
|
---|
2568 | LogFlow(("VMR3AtErrorDeregister: returns %Vrc\n", rc));
|
---|
2569 | return rc;
|
---|
2570 | }
|
---|
2571 |
|
---|
2572 |
|
---|
2573 | /**
|
---|
2574 | * Deregisters a VM error callback.
|
---|
2575 | *
|
---|
2576 | * @returns VBox status code.
|
---|
2577 | * @param pUVM Pointer to the user mode VM structure.
|
---|
2578 | * @param pfnAtError Pointer to callback.
|
---|
2579 | * @param pvUser User argument.
|
---|
2580 | * @thread EMT
|
---|
2581 | */
|
---|
2582 | static DECLCALLBACK(int) vmR3AtErrorDeregisterU(PUVM pUVM, PFNVMATERROR pfnAtError, void *pvUser)
|
---|
2583 | {
|
---|
2584 | LogFlow(("vmR3AtErrorDeregisterU: pfnAtError=%p pvUser=%p\n", pfnAtError, pvUser));
|
---|
2585 |
|
---|
2586 | /*
|
---|
2587 | * Search the list for the entry.
|
---|
2588 | */
|
---|
2589 | PVMATERROR pPrev = NULL;
|
---|
2590 | PVMATERROR pCur = pUVM->vm.s.pAtError;
|
---|
2591 | while ( pCur
|
---|
2592 | && pCur->pfnAtError == pfnAtError
|
---|
2593 | && pCur->pvUser == pvUser)
|
---|
2594 | {
|
---|
2595 | pPrev = pCur;
|
---|
2596 | pCur = pCur->pNext;
|
---|
2597 | }
|
---|
2598 | if (!pCur)
|
---|
2599 | {
|
---|
2600 | AssertMsgFailed(("pfnAtError=%p was not found\n", pfnAtError));
|
---|
2601 | return VERR_FILE_NOT_FOUND;
|
---|
2602 | }
|
---|
2603 |
|
---|
2604 | /*
|
---|
2605 | * Unlink it.
|
---|
2606 | */
|
---|
2607 | if (pPrev)
|
---|
2608 | {
|
---|
2609 | pPrev->pNext = pCur->pNext;
|
---|
2610 | if (!pCur->pNext)
|
---|
2611 | pUVM->vm.s.ppAtErrorNext = &pPrev->pNext;
|
---|
2612 | }
|
---|
2613 | else
|
---|
2614 | {
|
---|
2615 | pUVM->vm.s.pAtError = pCur->pNext;
|
---|
2616 | if (!pCur->pNext)
|
---|
2617 | pUVM->vm.s.ppAtErrorNext = &pUVM->vm.s.pAtError;
|
---|
2618 | }
|
---|
2619 |
|
---|
2620 | /*
|
---|
2621 | * Free it.
|
---|
2622 | */
|
---|
2623 | pCur->pfnAtError = NULL;
|
---|
2624 | pCur->pNext = NULL;
|
---|
2625 | MMR3HeapFree(pCur);
|
---|
2626 |
|
---|
2627 | return VINF_SUCCESS;
|
---|
2628 | }
|
---|
2629 |
|
---|
2630 |
|
---|
2631 | /**
|
---|
2632 | * Ellipsis to va_list wrapper for calling pfnAtError.
|
---|
2633 | */
|
---|
2634 | static void vmR3SetErrorWorkerDoCall(PVM pVM, PVMATERROR pCur, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...)
|
---|
2635 | {
|
---|
2636 | va_list va;
|
---|
2637 | va_start(va, pszFormat);
|
---|
2638 | pCur->pfnAtError(pVM, pCur->pvUser, rc, RT_SRC_POS_ARGS, pszFormat, va);
|
---|
2639 | va_end(va);
|
---|
2640 | }
|
---|
2641 |
|
---|
2642 |
|
---|
2643 | /**
|
---|
2644 | * This is a worker function for GC and Ring-0 calls to VMSetError and VMSetErrorV.
|
---|
2645 | * The message is found in VMINT.
|
---|
2646 | *
|
---|
2647 | * @param pVM The VM handle.
|
---|
2648 | * @thread EMT.
|
---|
2649 | */
|
---|
2650 | VMR3DECL(void) VMR3SetErrorWorker(PVM pVM)
|
---|
2651 | {
|
---|
2652 | VM_ASSERT_EMT(pVM);
|
---|
2653 | AssertReleaseMsgFailed(("And we have a winner! You get to implement Ring-0 and GC VMSetErrorV! Contrats!\n"));
|
---|
2654 |
|
---|
2655 | /*
|
---|
2656 | * Unpack the error (if we managed to format one).
|
---|
2657 | */
|
---|
2658 | PVMERROR pErr = pVM->vm.s.pErrorR3;
|
---|
2659 | const char *pszFile = NULL;
|
---|
2660 | const char *pszFunction = NULL;
|
---|
2661 | uint32_t iLine = 0;
|
---|
2662 | const char *pszMessage;
|
---|
2663 | int32_t rc = VERR_MM_HYPER_NO_MEMORY;
|
---|
2664 | if (pErr)
|
---|
2665 | {
|
---|
2666 | AssertCompile(sizeof(const char) == sizeof(uint8_t));
|
---|
2667 | if (pErr->offFile)
|
---|
2668 | pszFile = (const char *)pErr + pErr->offFile;
|
---|
2669 | iLine = pErr->iLine;
|
---|
2670 | if (pErr->offFunction)
|
---|
2671 | pszFunction = (const char *)pErr + pErr->offFunction;
|
---|
2672 | if (pErr->offMessage)
|
---|
2673 | pszMessage = (const char *)pErr + pErr->offMessage;
|
---|
2674 | else
|
---|
2675 | pszMessage = "No message!";
|
---|
2676 | }
|
---|
2677 | else
|
---|
2678 | pszMessage = "No message! (Failed to allocate memory to put the error message in!)";
|
---|
2679 |
|
---|
2680 | /*
|
---|
2681 | * Call the at error callbacks.
|
---|
2682 | */
|
---|
2683 | for (PVMATERROR pCur = pVM->pUVM->vm.s.pAtError; pCur; pCur = pCur->pNext)
|
---|
2684 | vmR3SetErrorWorkerDoCall(pVM, pCur, rc, RT_SRC_POS_ARGS, "%s", pszMessage);
|
---|
2685 | }
|
---|
2686 |
|
---|
2687 |
|
---|
2688 | /**
|
---|
2689 | * Creation time wrapper for vmR3SetErrorUV.
|
---|
2690 | *
|
---|
2691 | * @returns rc.
|
---|
2692 | * @param pUVM Pointer to the user mode VM structure.
|
---|
2693 | * @param rc The VBox status code.
|
---|
2694 | * @param RT_SRC_POS_DECL The source position of this error.
|
---|
2695 | * @param pszFormat Format string.
|
---|
2696 | * @param ... The arguments.
|
---|
2697 | * @thread Any thread.
|
---|
2698 | */
|
---|
2699 | static int vmR3SetErrorU(PUVM pUVM, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...)
|
---|
2700 | {
|
---|
2701 | va_list va;
|
---|
2702 | va_start(va, pszFormat);
|
---|
2703 | vmR3SetErrorUV(pUVM, rc, pszFile, iLine, pszFunction, pszFormat, &va);
|
---|
2704 | va_end(va);
|
---|
2705 | return rc;
|
---|
2706 | }
|
---|
2707 |
|
---|
2708 |
|
---|
2709 | /**
|
---|
2710 | * Worker which calls everyone listening to the VM error messages.
|
---|
2711 | *
|
---|
2712 | * @param pUVM Pointer to the user mode VM structure.
|
---|
2713 | * @param rc The VBox status code.
|
---|
2714 | * @param RT_SRC_POS_DECL The source position of this error.
|
---|
2715 | * @param pszFormat Format string.
|
---|
2716 | * @param pArgs Pointer to the format arguments.
|
---|
2717 | * @thread EMT
|
---|
2718 | */
|
---|
2719 | DECLCALLBACK(void) vmR3SetErrorUV(PUVM pUVM, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list *pArgs)
|
---|
2720 | {
|
---|
2721 | #ifdef LOG_ENABLED
|
---|
2722 | /*
|
---|
2723 | * Log the error.
|
---|
2724 | */
|
---|
2725 | RTLogPrintf("VMSetError: %s(%d) %s\n", pszFile, iLine, pszFunction);
|
---|
2726 | va_list va3;
|
---|
2727 | va_copy(va3, *pArgs);
|
---|
2728 | RTLogPrintfV(pszFormat, va3);
|
---|
2729 | va_end(va3);
|
---|
2730 | RTLogPrintf("\n");
|
---|
2731 | #endif
|
---|
2732 |
|
---|
2733 | /*
|
---|
2734 | * Make a copy of the message.
|
---|
2735 | */
|
---|
2736 | if (pUVM->pVM)
|
---|
2737 | vmSetErrorCopy(pUVM->pVM, rc, RT_SRC_POS_ARGS, pszFormat, *pArgs);
|
---|
2738 |
|
---|
2739 | /*
|
---|
2740 | * Call the at error callbacks.
|
---|
2741 | */
|
---|
2742 | for (PVMATERROR pCur = pUVM->vm.s.pAtError; pCur; pCur = pCur->pNext)
|
---|
2743 | {
|
---|
2744 | va_list va2;
|
---|
2745 | va_copy(va2, *pArgs);
|
---|
2746 | pCur->pfnAtError(pUVM->pVM, pCur->pvUser, rc, RT_SRC_POS_ARGS, pszFormat, va2);
|
---|
2747 | va_end(va2);
|
---|
2748 | }
|
---|
2749 | }
|
---|
2750 |
|
---|
2751 |
|
---|
2752 | /**
|
---|
2753 | * Registers a VM runtime error callback.
|
---|
2754 | *
|
---|
2755 | * @returns VBox status code.
|
---|
2756 | * @param pVM The VM handle.
|
---|
2757 | * @param pfnAtRuntimeError Pointer to callback.
|
---|
2758 | * @param pvUser User argument.
|
---|
2759 | * @thread Any.
|
---|
2760 | */
|
---|
2761 | VMR3DECL(int) VMR3AtRuntimeErrorRegister(PVM pVM, PFNVMATRUNTIMEERROR pfnAtRuntimeError, void *pvUser)
|
---|
2762 | {
|
---|
2763 | LogFlow(("VMR3AtRuntimeErrorRegister: pfnAtRuntimeError=%p pvUser=%p\n", pfnAtRuntimeError, pvUser));
|
---|
2764 |
|
---|
2765 | /*
|
---|
2766 | * Validate input.
|
---|
2767 | */
|
---|
2768 | if (!pfnAtRuntimeError)
|
---|
2769 | {
|
---|
2770 | AssertMsgFailed(("callback is required\n"));
|
---|
2771 | return VERR_INVALID_PARAMETER;
|
---|
2772 | }
|
---|
2773 |
|
---|
2774 | /*
|
---|
2775 | * Make sure we're in EMT (to avoid the logging).
|
---|
2776 | */
|
---|
2777 | PVMREQ pReq;
|
---|
2778 | int rc = VMR3ReqCall(pVM, &pReq, RT_INDEFINITE_WAIT, (PFNRT)vmR3AtRuntimeErrorRegisterU, 3, pVM->pUVM, pfnAtRuntimeError, pvUser);
|
---|
2779 | if (VBOX_FAILURE(rc))
|
---|
2780 | return rc;
|
---|
2781 | rc = pReq->iStatus;
|
---|
2782 | VMR3ReqFree(pReq);
|
---|
2783 |
|
---|
2784 | LogFlow(("VMR3AtRuntimeErrorRegister: returns %Vrc\n", rc));
|
---|
2785 | return rc;
|
---|
2786 | }
|
---|
2787 |
|
---|
2788 |
|
---|
2789 | /**
|
---|
2790 | * Registers a VM runtime error callback.
|
---|
2791 | *
|
---|
2792 | * @returns VBox status code.
|
---|
2793 | * @param pUVM Pointer to the user mode VM structure.
|
---|
2794 | * @param pfnAtRuntimeError Pointer to callback.
|
---|
2795 | * @param pvUser User argument.
|
---|
2796 | * @thread EMT
|
---|
2797 | */
|
---|
2798 | static DECLCALLBACK(int) vmR3AtRuntimeErrorRegisterU(PUVM pUVM, PFNVMATRUNTIMEERROR pfnAtRuntimeError, void *pvUser)
|
---|
2799 | {
|
---|
2800 | /*
|
---|
2801 | * Allocate a new record.
|
---|
2802 | */
|
---|
2803 |
|
---|
2804 | PVMATRUNTIMEERROR pNew = (PVMATRUNTIMEERROR)MMR3HeapAllocU(pUVM, MM_TAG_VM, sizeof(*pNew));
|
---|
2805 | if (!pNew)
|
---|
2806 | return VERR_NO_MEMORY;
|
---|
2807 |
|
---|
2808 | /* fill */
|
---|
2809 | pNew->pfnAtRuntimeError = pfnAtRuntimeError;
|
---|
2810 | pNew->pvUser = pvUser;
|
---|
2811 | pNew->pNext = NULL;
|
---|
2812 |
|
---|
2813 | /* insert */
|
---|
2814 | *pUVM->vm.s.ppAtRuntimeErrorNext = pNew;
|
---|
2815 | pUVM->vm.s.ppAtRuntimeErrorNext = &pNew->pNext;
|
---|
2816 |
|
---|
2817 | return VINF_SUCCESS;
|
---|
2818 | }
|
---|
2819 |
|
---|
2820 |
|
---|
2821 | /**
|
---|
2822 | * Deregisters a VM runtime error callback.
|
---|
2823 | *
|
---|
2824 | * @returns VBox status code.
|
---|
2825 | * @param pVM The VM handle.
|
---|
2826 | * @param pfnAtRuntimeError Pointer to callback.
|
---|
2827 | * @param pvUser User argument.
|
---|
2828 | * @thread Any.
|
---|
2829 | */
|
---|
2830 | VMR3DECL(int) VMR3AtRuntimeErrorDeregister(PVM pVM, PFNVMATRUNTIMEERROR pfnAtRuntimeError, void *pvUser)
|
---|
2831 | {
|
---|
2832 | LogFlow(("VMR3AtRuntimeErrorDeregister: pfnAtRuntimeError=%p pvUser=%p\n", pfnAtRuntimeError, pvUser));
|
---|
2833 |
|
---|
2834 | /*
|
---|
2835 | * Validate input.
|
---|
2836 | */
|
---|
2837 | if (!pfnAtRuntimeError)
|
---|
2838 | {
|
---|
2839 | AssertMsgFailed(("callback is required\n"));
|
---|
2840 | return VERR_INVALID_PARAMETER;
|
---|
2841 | }
|
---|
2842 |
|
---|
2843 | /*
|
---|
2844 | * Make sure we're in EMT (to avoid the logging).
|
---|
2845 | */
|
---|
2846 | PVMREQ pReq;
|
---|
2847 | int rc = VMR3ReqCall(pVM, &pReq, RT_INDEFINITE_WAIT, (PFNRT)vmR3AtRuntimeErrorDeregisterU, 3, pVM->pUVM, pfnAtRuntimeError, pvUser);
|
---|
2848 | if (VBOX_FAILURE(rc))
|
---|
2849 | return rc;
|
---|
2850 | rc = pReq->iStatus;
|
---|
2851 | VMR3ReqFree(pReq);
|
---|
2852 |
|
---|
2853 | LogFlow(("VMR3AtRuntimeErrorDeregister: returns %Vrc\n", rc));
|
---|
2854 | return rc;
|
---|
2855 | }
|
---|
2856 |
|
---|
2857 |
|
---|
2858 | /**
|
---|
2859 | * Deregisters a VM runtime error callback.
|
---|
2860 | *
|
---|
2861 | * @returns VBox status code.
|
---|
2862 | * @param pUVM Pointer to the user mode VM structure.
|
---|
2863 | * @param pfnAtRuntimeError Pointer to callback.
|
---|
2864 | * @param pvUser User argument.
|
---|
2865 | * @thread EMT
|
---|
2866 | */
|
---|
2867 | static DECLCALLBACK(int) vmR3AtRuntimeErrorDeregisterU(PUVM pUVM, PFNVMATRUNTIMEERROR pfnAtRuntimeError, void *pvUser)
|
---|
2868 | {
|
---|
2869 | LogFlow(("vmR3AtRuntimeErrorDeregisterU: pfnAtRuntimeError=%p pvUser=%p\n", pfnAtRuntimeError, pvUser));
|
---|
2870 |
|
---|
2871 | /*
|
---|
2872 | * Search the list for the entry.
|
---|
2873 | */
|
---|
2874 | PVMATRUNTIMEERROR pPrev = NULL;
|
---|
2875 | PVMATRUNTIMEERROR pCur = pUVM->vm.s.pAtRuntimeError;
|
---|
2876 | while ( pCur
|
---|
2877 | && pCur->pfnAtRuntimeError == pfnAtRuntimeError
|
---|
2878 | && pCur->pvUser == pvUser)
|
---|
2879 | {
|
---|
2880 | pPrev = pCur;
|
---|
2881 | pCur = pCur->pNext;
|
---|
2882 | }
|
---|
2883 | if (!pCur)
|
---|
2884 | {
|
---|
2885 | AssertMsgFailed(("pfnAtRuntimeError=%p was not found\n", pfnAtRuntimeError));
|
---|
2886 | return VERR_FILE_NOT_FOUND;
|
---|
2887 | }
|
---|
2888 |
|
---|
2889 | /*
|
---|
2890 | * Unlink it.
|
---|
2891 | */
|
---|
2892 | if (pPrev)
|
---|
2893 | {
|
---|
2894 | pPrev->pNext = pCur->pNext;
|
---|
2895 | if (!pCur->pNext)
|
---|
2896 | pUVM->vm.s.ppAtRuntimeErrorNext = &pPrev->pNext;
|
---|
2897 | }
|
---|
2898 | else
|
---|
2899 | {
|
---|
2900 | pUVM->vm.s.pAtRuntimeError = pCur->pNext;
|
---|
2901 | if (!pCur->pNext)
|
---|
2902 | pUVM->vm.s.ppAtRuntimeErrorNext = &pUVM->vm.s.pAtRuntimeError;
|
---|
2903 | }
|
---|
2904 |
|
---|
2905 | /*
|
---|
2906 | * Free it.
|
---|
2907 | */
|
---|
2908 | pCur->pfnAtRuntimeError = NULL;
|
---|
2909 | pCur->pNext = NULL;
|
---|
2910 | MMR3HeapFree(pCur);
|
---|
2911 |
|
---|
2912 | return VINF_SUCCESS;
|
---|
2913 | }
|
---|
2914 |
|
---|
2915 |
|
---|
2916 | /**
|
---|
2917 | * Ellipsis to va_list wrapper for calling pfnAtRuntimeError.
|
---|
2918 | */
|
---|
2919 | static void vmR3SetRuntimeErrorWorkerDoCall(PVM pVM, PVMATRUNTIMEERROR pCur, bool fFatal,
|
---|
2920 | const char *pszErrorID,
|
---|
2921 | const char *pszFormat, ...)
|
---|
2922 | {
|
---|
2923 | va_list va;
|
---|
2924 | va_start(va, pszFormat);
|
---|
2925 | pCur->pfnAtRuntimeError(pVM, pCur->pvUser, fFatal, pszErrorID, pszFormat, va);
|
---|
2926 | va_end(va);
|
---|
2927 | }
|
---|
2928 |
|
---|
2929 |
|
---|
2930 | /**
|
---|
2931 | * This is a worker function for GC and Ring-0 calls to VMSetError and VMSetErrorV.
|
---|
2932 | * The message is found in VMINT.
|
---|
2933 | *
|
---|
2934 | * @param pVM The VM handle.
|
---|
2935 | * @thread EMT.
|
---|
2936 | */
|
---|
2937 | VMR3DECL(void) VMR3SetRuntimeErrorWorker(PVM pVM)
|
---|
2938 | {
|
---|
2939 | VM_ASSERT_EMT(pVM);
|
---|
2940 | AssertReleaseMsgFailed(("And we have a winner! You get to implement Ring-0 and GC VMSetRuntimeErrorV! Contrats!\n"));
|
---|
2941 |
|
---|
2942 | /*
|
---|
2943 | * Unpack the error (if we managed to format one).
|
---|
2944 | */
|
---|
2945 | PVMRUNTIMEERROR pErr = pVM->vm.s.pRuntimeErrorR3;
|
---|
2946 | const char *pszErrorID = NULL;
|
---|
2947 | const char *pszMessage;
|
---|
2948 | bool fFatal = false;
|
---|
2949 | if (pErr)
|
---|
2950 | {
|
---|
2951 | AssertCompile(sizeof(const char) == sizeof(uint8_t));
|
---|
2952 | if (pErr->offErrorID)
|
---|
2953 | pszErrorID = (const char *)pErr + pErr->offErrorID;
|
---|
2954 | if (pErr->offMessage)
|
---|
2955 | pszMessage = (const char *)pErr + pErr->offMessage;
|
---|
2956 | else
|
---|
2957 | pszMessage = "No message!";
|
---|
2958 | fFatal = pErr->fFatal;
|
---|
2959 | }
|
---|
2960 | else
|
---|
2961 | pszMessage = "No message! (Failed to allocate memory to put the error message in!)";
|
---|
2962 |
|
---|
2963 | /*
|
---|
2964 | * Call the at runtime error callbacks.
|
---|
2965 | */
|
---|
2966 | for (PVMATRUNTIMEERROR pCur = pVM->pUVM->vm.s.pAtRuntimeError; pCur; pCur = pCur->pNext)
|
---|
2967 | vmR3SetRuntimeErrorWorkerDoCall(pVM, pCur, fFatal, pszErrorID, "%s", pszMessage);
|
---|
2968 | }
|
---|
2969 |
|
---|
2970 |
|
---|
2971 | /**
|
---|
2972 | * Worker which calls everyone listening to the VM runtime error messages.
|
---|
2973 | *
|
---|
2974 | * @param pVM The VM handle.
|
---|
2975 | * @param fFatal Whether it is a fatal error or not.
|
---|
2976 | * @param pszErrorID Error ID string.
|
---|
2977 | * @param pszFormat Format string.
|
---|
2978 | * @param pArgs Pointer to the format arguments.
|
---|
2979 | * @thread EMT
|
---|
2980 | */
|
---|
2981 | DECLCALLBACK(void) vmR3SetRuntimeErrorV(PVM pVM, bool fFatal,
|
---|
2982 | const char *pszErrorID,
|
---|
2983 | const char *pszFormat, va_list *pArgs)
|
---|
2984 | {
|
---|
2985 | /*
|
---|
2986 | * Make a copy of the message.
|
---|
2987 | */
|
---|
2988 | vmSetRuntimeErrorCopy(pVM, fFatal, pszErrorID, pszFormat, *pArgs);
|
---|
2989 |
|
---|
2990 | /*
|
---|
2991 | * Call the at error callbacks.
|
---|
2992 | */
|
---|
2993 | for (PVMATRUNTIMEERROR pCur = pVM->pUVM->vm.s.pAtRuntimeError; pCur; pCur = pCur->pNext)
|
---|
2994 | {
|
---|
2995 | va_list va2;
|
---|
2996 | va_copy(va2, *pArgs);
|
---|
2997 | pCur->pfnAtRuntimeError(pVM, pCur->pvUser, fFatal, pszErrorID, pszFormat, va2);
|
---|
2998 | va_end(va2);
|
---|
2999 | }
|
---|
3000 | }
|
---|
3001 |
|
---|