1 | /** @file
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2 | * VMM - The Virtual Machine Monitor. (VMM)
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3 | */
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4 |
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5 | /*
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6 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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7 | *
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8 | * This file is part of VirtualBox Open Source Edition (OSE), as
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9 | * available from http://www.virtualbox.org. This file is free software;
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10 | * you can redistribute it and/or modify it under the terms of the GNU
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11 | * General Public License (GPL) as published by the Free Software
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12 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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15 | *
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16 | * The contents of this file may alternatively be used under the terms
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17 | * of the Common Development and Distribution License Version 1.0
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18 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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19 | * VirtualBox OSE distribution, in which case the provisions of the
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20 | * CDDL are applicable instead of those of the GPL.
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21 | *
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22 | * You may elect to license modified versions of this file under the
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23 | * terms and conditions of either the GPL or the CDDL or both.
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24 | *
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25 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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26 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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27 | * additional information or have any questions.
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28 | */
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29 |
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30 | #ifndef ___VBox_vmm_h
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31 | #define ___VBox_vmm_h
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32 |
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33 | #include <VBox/cdefs.h>
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34 | #include <VBox/types.h>
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35 | #include <VBox/vmapi.h>
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36 | #include <VBox/sup.h>
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37 | #include <VBox/log.h>
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38 | #include <iprt/stdarg.h>
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39 |
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40 | RT_C_DECLS_BEGIN
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41 |
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42 | /** @defgroup grp_vmm The Virtual Machine Monitor API
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43 | * @{
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44 | */
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45 |
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46 | /**
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47 | * World switcher identifiers.
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48 | */
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49 | typedef enum VMMSWITCHER
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50 | {
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51 | /** The usual invalid 0. */
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52 | VMMSWITCHER_INVALID = 0,
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53 | /** Switcher for 32-bit host to 32-bit shadow paging. */
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54 | VMMSWITCHER_32_TO_32,
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55 | /** Switcher for 32-bit host paging to PAE shadow paging. */
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56 | VMMSWITCHER_32_TO_PAE,
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57 | /** Switcher for 32-bit host paging to AMD64 shadow paging. */
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58 | VMMSWITCHER_32_TO_AMD64,
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59 | /** Switcher for PAE host to 32-bit shadow paging. */
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60 | VMMSWITCHER_PAE_TO_32,
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61 | /** Switcher for PAE host to PAE shadow paging. */
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62 | VMMSWITCHER_PAE_TO_PAE,
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63 | /** Switcher for PAE host paging to AMD64 shadow paging. */
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64 | VMMSWITCHER_PAE_TO_AMD64,
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65 | /** Switcher for AMD64 host paging to 32-bit shadow paging. */
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66 | VMMSWITCHER_AMD64_TO_32,
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67 | /** Switcher for AMD64 host paging to PAE shadow paging. */
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68 | VMMSWITCHER_AMD64_TO_PAE,
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69 | /** Switcher for AMD64 host paging to AMD64 shadow paging. */
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70 | VMMSWITCHER_AMD64_TO_AMD64,
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71 | /** Used to make a count for array declarations and suchlike. */
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72 | VMMSWITCHER_MAX,
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73 | /** The usual 32-bit paranoia. */
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74 | VMMSWITCHER_32BIT_HACK = 0x7fffffff
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75 | } VMMSWITCHER;
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76 |
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77 |
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78 | /**
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79 | * VMMRZCallRing3 operations.
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80 | */
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81 | typedef enum VMMCALLRING3
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82 | {
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83 | /** Invalid operation. */
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84 | VMMCALLRING3_INVALID = 0,
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85 | /** Acquire the PDM lock. */
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86 | VMMCALLRING3_PDM_LOCK,
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87 | /** Call PDMR3QueueFlushWorker. */
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88 | VMMCALLRING3_PDM_QUEUE_FLUSH,
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89 | /** Acquire the PGM lock. */
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90 | VMMCALLRING3_PGM_LOCK,
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91 | /** Grow the PGM shadow page pool. */
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92 | VMMCALLRING3_PGM_POOL_GROW,
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93 | /** Maps a chunk into ring-3. */
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94 | VMMCALLRING3_PGM_MAP_CHUNK,
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95 | /** Allocates more handy pages. */
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96 | VMMCALLRING3_PGM_ALLOCATE_HANDY_PAGES,
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97 | /** Acquire the MM hypervisor heap lock. */
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98 | VMMCALLRING3_MMHYPER_LOCK,
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99 | /** Replay the REM handler notifications. */
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100 | VMMCALLRING3_REM_REPLAY_HANDLER_NOTIFICATIONS,
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101 | /** Flush the GC/R0 logger. */
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102 | VMMCALLRING3_VMM_LOGGER_FLUSH,
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103 | /** Set the VM error message. */
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104 | VMMCALLRING3_VM_SET_ERROR,
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105 | /** Set the VM runtime error message. */
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106 | VMMCALLRING3_VM_SET_RUNTIME_ERROR,
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107 | /** Signal a ring 0 assertion. */
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108 | VMMCALLRING3_VM_R0_ASSERTION,
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109 | /** Ring switch to force preemption. */
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110 | VMMCALLRING3_VM_R0_PREEMPT,
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111 | /** The usual 32-bit hack. */
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112 | VMMCALLRING3_32BIT_HACK = 0x7fffffff
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113 | } VMMCALLRING3;
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114 |
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115 | /**
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116 | * VMMR3AtomicExecuteHandler callback function.
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117 | *
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118 | * @returns VBox status code.
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119 | * @param pVM Pointer to the shared VM structure.
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120 | * @param pvUser User specified argument
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121 | *
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122 | * @todo missing prefix.
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123 | */
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124 | typedef DECLCALLBACK(int) FNATOMICHANDLER(PVM pVM, void *pvUser);
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125 | /** Pointer to a FNMMATOMICHANDLER(). */
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126 | typedef FNATOMICHANDLER *PFNATOMICHANDLER;
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127 |
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128 | /**
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129 | * Rendezvous callback.
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130 | *
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131 | * @returns VBox status code.
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132 | * @param pVM The VM handle.
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133 | * @param pVCpu The handle of the calling virtual CPU.
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134 | * @param pvUser The user argument.
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135 | */
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136 | typedef DECLCALLBACK(int) FNVMMEMTRENDEZVOUS(PVM pVM, PVMCPU pVCpu, void *pvUser);
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137 | /** Pointer to a rendezvous callback function. */
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138 | typedef FNVMMEMTRENDEZVOUS *PFNVMMEMTRENDEZVOUS;
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139 |
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140 |
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141 | VMMDECL(RTRCPTR) VMMGetStackRC(PVM pVM);
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142 | VMMDECL(VMCPUID) VMMGetCpuId(PVM pVM);
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143 | VMMDECL(PVMCPU) VMMGetCpu(PVM pVM);
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144 | VMMDECL(PVMCPU) VMMGetCpu0(PVM pVM);
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145 | VMMDECL(PVMCPU) VMMGetCpuById(PVM pVM, VMCPUID idCpu);
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146 | VMMDECL(uint32_t) VMMGetSvnRev(void);
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147 | VMMDECL(VMMSWITCHER) VMMGetSwitcher(PVM pVM);
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148 | VMMDECL(void) VMMTrashVolatileXMMRegs(void);
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149 |
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150 | /** @def VMMIsHwVirtExtForced
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151 | * Checks if forced to use the hardware assisted virtualization extensions.
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152 | *
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153 | * This is intended for making setup decisions where we can save resources when
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154 | * using hardware assisted virtualization.
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155 | *
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156 | * @returns true / false.
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157 | * @param pVM Pointer to the shared VM structure.
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158 | */
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159 | #define VMMIsHwVirtExtForced(pVM) ((pVM)->fHwVirtExtForced)
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160 |
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161 |
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162 | #ifdef IN_RING3
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163 | /** @defgroup grp_vmm_r3 The VMM Host Context Ring 3 API
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164 | * @ingroup grp_vmm
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165 | * @{
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166 | */
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167 | VMMR3DECL(int) VMMR3Init(PVM pVM);
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168 | VMMR3DECL(int) VMMR3InitCPU(PVM pVM);
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169 | VMMR3DECL(int) VMMR3InitFinalize(PVM pVM);
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170 | VMMR3DECL(int) VMMR3InitR0(PVM pVM);
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171 | VMMR3DECL(int) VMMR3InitRC(PVM pVM);
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172 | VMMR3DECL(int) VMMR3Term(PVM pVM);
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173 | VMMR3DECL(int) VMMR3TermCPU(PVM pVM);
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174 | VMMR3DECL(void) VMMR3Relocate(PVM pVM, RTGCINTPTR offDelta);
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175 | VMMR3DECL(int) VMMR3UpdateLoggers(PVM pVM);
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176 | VMMR3DECL(const char *) VMMR3GetRZAssertMsg1(PVM pVM);
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177 | VMMR3DECL(const char *) VMMR3GetRZAssertMsg2(PVM pVM);
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178 | VMMR3DECL(int) VMMR3GetImportRC(PVM pVM, const char *pszSymbol, PRTRCPTR pRCPtrValue);
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179 | VMMR3DECL(int) VMMR3SelectSwitcher(PVM pVM, VMMSWITCHER enmSwitcher);
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180 | VMMR3DECL(int) VMMR3DisableSwitcher(PVM pVM);
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181 | VMMR3DECL(RTR0PTR) VMMR3GetHostToGuestSwitcher(PVM pVM, VMMSWITCHER enmSwitcher);
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182 | VMMR3DECL(int) VMMR3RawRunGC(PVM pVM, PVMCPU pVCpu);
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183 | VMMR3DECL(int) VMMR3HwAccRunGC(PVM pVM, PVMCPU pVCpu);
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184 | VMMR3DECL(int) VMMR3CallRC(PVM pVM, RTRCPTR RCPtrEntry, unsigned cArgs, ...);
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185 | VMMR3DECL(int) VMMR3CallRCV(PVM pVM, RTRCPTR RCPtrEntry, unsigned cArgs, va_list args);
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186 | VMMR3DECL(int) VMMR3CallR0(PVM pVM, uint32_t uOperation, uint64_t u64Arg, PSUPVMMR0REQHDR pReqHdr);
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187 | VMMR3DECL(int) VMMR3ResumeHyper(PVM pVM, PVMCPU pVCpu);
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188 | VMMR3DECL(void) VMMR3FatalDump(PVM pVM, PVMCPU pVCpu, int rcErr);
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189 | VMMR3DECL(void) VMMR3YieldSuspend(PVM pVM);
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190 | VMMR3DECL(void) VMMR3YieldStop(PVM pVM);
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191 | VMMR3DECL(void) VMMR3YieldResume(PVM pVM);
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192 | VMMR3DECL(void) VMMR3SendSipi(PVM pVM, VMCPUID idCpu, uint32_t uVector);
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193 | VMMR3DECL(void) VMMR3SendInitIpi(PVM pVM, VMCPUID idCpu);
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194 | VMMR3DECL(int) VMMR3RegisterPatchMemory(PVM pVM, RTGCPTR pPatchMem, unsigned cbPatchMem);
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195 | VMMR3DECL(int) VMMR3DeregisterPatchMemory(PVM pVM, RTGCPTR pPatchMem, unsigned cbPatchMem);
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196 | VMMR3DECL(int) VMMR3AtomicExecuteHandler(PVM pVM, PFNATOMICHANDLER pfnHandler, void *pvUser);
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197 | VMMR3DECL(int) VMMR3EmtRendezvous(PVM pVM, uint32_t fFlags, PFNVMMEMTRENDEZVOUS pfnRendezvous, void *pvUser);
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198 | /** @defgroup grp_VMMR3EmtRendezvous_fFlags VMMR3EmtRendezvous flags
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199 | * @{ */
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200 | /** Execution type mask. */
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201 | #define VMMEMTRENDEZVOUS_FLAGS_TYPE_MASK UINT32_C(0x00000003)
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202 | /** Invalid execution type. */
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203 | #define VMMEMTRENDEZVOUS_FLAGS_TYPE_INVALID UINT32_C(0)
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204 | /** Let the EMTs execute the callback one by one (in no particular order). */
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205 | #define VMMEMTRENDEZVOUS_FLAGS_TYPE_ONE_BY_ONE UINT32_C(1)
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206 | /** Let all the EMTs execute the callback at the same time. */
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207 | #define VMMEMTRENDEZVOUS_FLAGS_TYPE_ALL_AT_ONCE UINT32_C(2)
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208 | /** Only execute the callback on one EMT (no particular one). */
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209 | #define VMMEMTRENDEZVOUS_FLAGS_TYPE_ONCE UINT32_C(3)
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210 | /** The valid flags. */
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211 | #define VMMEMTRENDEZVOUS_FLAGS_VALID_MASK VMMEMTRENDEZVOUS_FLAGS_TYPE_MASK
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212 | /** @} */
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213 | VMMR3DECL(void) VMMR3EmtRendezvousFF(PVM pVM, PVMCPU pVCpu);
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214 | VMMR3DECL(int) VMMR3ReadR0Stack(PVM pVM, VMCPUID idCpu, RTHCUINTPTR pAddress, void *pvBuf, size_t cbRead);
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215 | /** @} */
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216 | #endif /* IN_RING3 */
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217 |
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218 |
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219 | /** @defgroup grp_vmm_r0 The VMM Host Context Ring 0 API
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220 | * @ingroup grp_vmm
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221 | * @{
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222 | */
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223 |
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224 | /**
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225 | * The VMMR0Entry() codes.
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226 | */
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227 | typedef enum VMMR0OPERATION
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228 | {
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229 | /** Run guest context. */
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230 | VMMR0_DO_RAW_RUN = SUP_VMMR0_DO_RAW_RUN,
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231 | /** Run guest code using the available hardware acceleration technology. */
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232 | VMMR0_DO_HWACC_RUN = SUP_VMMR0_DO_HWACC_RUN,
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233 | /** Official NOP that we use for profiling. */
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234 | VMMR0_DO_NOP = SUP_VMMR0_DO_NOP,
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235 | /** Official slow iocl NOP that we use for profiling. */
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236 | VMMR0_DO_SLOW_NOP,
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237 |
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238 | /** Ask the GVMM to create a new VM. */
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239 | VMMR0_DO_GVMM_CREATE_VM,
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240 | /** Ask the GVMM to destroy the VM. */
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241 | VMMR0_DO_GVMM_DESTROY_VM,
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242 | /** Call GVMMR0SchedHalt(). */
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243 | VMMR0_DO_GVMM_SCHED_HALT,
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244 | /** Call GVMMR0SchedWakeUp(). */
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245 | VMMR0_DO_GVMM_SCHED_WAKE_UP,
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246 | /** Call GVMMR0SchedPoke(). */
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247 | VMMR0_DO_GVMM_SCHED_POKE,
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248 | /** Call GVMMR0SchedWakeUpAndPokeCpus(). */
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249 | VMMR0_DO_GVMM_SCHED_WAKE_UP_AND_POKE_CPUS,
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250 | /** Call GVMMR0SchedPoll(). */
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251 | VMMR0_DO_GVMM_SCHED_POLL,
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252 | /** Call GVMMR0QueryStatistics(). */
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253 | VMMR0_DO_GVMM_QUERY_STATISTICS,
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254 | /** Call GVMMR0ResetStatistics(). */
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255 | VMMR0_DO_GVMM_RESET_STATISTICS,
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256 | /** Call GVMMR0RegisterVCpu(). */
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257 | VMMR0_DO_GVMM_REGISTER_VMCPU,
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258 |
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259 | /** Call VMMR0 Per VM Init. */
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260 | VMMR0_DO_VMMR0_INIT,
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261 | /** Call VMMR0 Per VM Termination. */
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262 | VMMR0_DO_VMMR0_TERM,
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263 | /** Setup the hardware accelerated raw-mode session. */
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264 | VMMR0_DO_HWACC_SETUP_VM,
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265 | /** Attempt to enable or disable hardware accelerated raw-mode. */
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266 | VMMR0_DO_HWACC_ENABLE,
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267 | /** Calls function in the hypervisor.
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268 | * The caller must setup the hypervisor context so the call will be performed.
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269 | * The difference between VMMR0_DO_RUN_GC and this one is the handling of
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270 | * the return GC code. The return code will not be interpreted by this operation.
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271 | */
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272 | VMMR0_DO_CALL_HYPERVISOR,
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273 |
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274 | /** Call PGMR0PhysAllocateHandyPages(). */
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275 | VMMR0_DO_PGM_ALLOCATE_HANDY_PAGES,
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276 |
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277 | /** Call GMMR0InitialReservation(). */
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278 | VMMR0_DO_GMM_INITIAL_RESERVATION,
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279 | /** Call GMMR0UpdateReservation(). */
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280 | VMMR0_DO_GMM_UPDATE_RESERVATION,
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281 | /** Call GMMR0AllocatePages(). */
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282 | VMMR0_DO_GMM_ALLOCATE_PAGES,
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283 | /** Call GMMR0FreePages(). */
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284 | VMMR0_DO_GMM_FREE_PAGES,
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285 | /** Call GMMR0BalloonedPages(). */
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286 | VMMR0_DO_GMM_BALLOONED_PAGES,
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287 | /** Call GMMR0DeflatedBalloon(). */
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288 | VMMR0_DO_GMM_DEFLATED_BALLOON,
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289 | /** Call GMMR0MapUnmapChunk(). */
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290 | VMMR0_DO_GMM_MAP_UNMAP_CHUNK,
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291 | /** Call GMMR0SeedChunk(). */
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292 | VMMR0_DO_GMM_SEED_CHUNK,
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293 |
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294 | /** Set a GVMM or GMM configuration value. */
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295 | VMMR0_DO_GCFGM_SET_VALUE,
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296 | /** Query a GVMM or GMM configuration value. */
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297 | VMMR0_DO_GCFGM_QUERY_VALUE,
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298 |
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299 | /** The start of the R0 service operations. */
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300 | VMMR0_DO_SRV_START,
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301 | /** Call INTNETR0Open(). */
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302 | VMMR0_DO_INTNET_OPEN,
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303 | /** Call INTNETR0IfClose(). */
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304 | VMMR0_DO_INTNET_IF_CLOSE,
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305 | /** Call INTNETR0IfGetRing3Buffer(). */
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306 | VMMR0_DO_INTNET_IF_GET_RING3_BUFFER,
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307 | /** Call INTNETR0IfSetPromiscuousMode(). */
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308 | VMMR0_DO_INTNET_IF_SET_PROMISCUOUS_MODE,
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309 | /** Call INTNETR0IfSetMacAddress(). */
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310 | VMMR0_DO_INTNET_IF_SET_MAC_ADDRESS,
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311 | /** Call INTNETR0IfSetActive(). */
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312 | VMMR0_DO_INTNET_IF_SET_ACTIVE,
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313 | /** Call INTNETR0IfSend(). */
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314 | VMMR0_DO_INTNET_IF_SEND,
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315 | /** Call INTNETR0IfWait(). */
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316 | VMMR0_DO_INTNET_IF_WAIT,
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317 | /** The end of the R0 service operations. */
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318 | VMMR0_DO_SRV_END,
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319 |
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320 | /** Official call we use for testing Ring-0 APIs. */
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321 | VMMR0_DO_TESTS,
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322 | /** Test the 32->64 bits switcher. */
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323 | VMMR0_DO_TEST_SWITCHER3264,
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324 |
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325 | /** The usual 32-bit type blow up. */
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326 | VMMR0_DO_32BIT_HACK = 0x7fffffff
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327 | } VMMR0OPERATION;
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328 |
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329 |
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330 | /**
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331 | * Request buffer for VMMR0_DO_GCFGM_SET_VALUE and VMMR0_DO_GCFGM_QUERY_VALUE.
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332 | * @todo Move got GCFGM.h when it's implemented.
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333 | */
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334 | typedef struct GCFGMVALUEREQ
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335 | {
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336 | /** The request header.*/
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337 | SUPVMMR0REQHDR Hdr;
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338 | /** The support driver session handle. */
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339 | PSUPDRVSESSION pSession;
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340 | /** The value.
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341 | * This is input for the set request and output for the query. */
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342 | uint64_t u64Value;
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343 | /** The variable name.
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344 | * This is fixed sized just to make things simple for the mock-up. */
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345 | char szName[48];
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346 | } GCFGMVALUEREQ;
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347 | /** Pointer to a VMMR0_DO_GCFGM_SET_VALUE and VMMR0_DO_GCFGM_QUERY_VALUE request buffer.
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348 | * @todo Move got GCFGM.h when it's implemented.
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349 | */
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350 | typedef GCFGMVALUEREQ *PGCFGMVALUEREQ;
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351 |
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352 | VMMR0DECL(int) VMMR0EntryInt(PVM pVM, VMMR0OPERATION enmOperation, void *pvArg);
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353 | VMMR0DECL(void) VMMR0EntryFast(PVM pVM, VMCPUID idCpu, VMMR0OPERATION enmOperation);
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354 | VMMR0DECL(int) VMMR0EntryEx(PVM pVM, VMCPUID idCpu, VMMR0OPERATION enmOperation, PSUPVMMR0REQHDR pReq, uint64_t u64Arg, PSUPDRVSESSION);
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355 | VMMR0DECL(int) VMMR0TermVM(PVM pVM, PGVM pGVM);
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356 |
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357 | #ifdef LOG_ENABLED
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358 | VMMR0DECL(void) VMMR0LogFlushDisable(PVMCPU pVCpu);
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359 | VMMR0DECL(void) VMMR0LogFlushEnable(PVMCPU pVCpu);
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360 | #else
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361 | #define VMMR0LogFlushDisable(pVCpu) do { } while(0)
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362 | #define VMMR0LogFlushEnable(pVCpu) do { } while(0)
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363 | #endif
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364 |
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365 | /** @} */
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366 |
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367 |
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368 | #ifdef IN_RC
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369 | /** @defgroup grp_vmm_rc The VMM Raw-Mode Context API
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370 | * @ingroup grp_vmm
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371 | * @{
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372 | */
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373 | VMMRCDECL(int) VMMGCEntry(PVM pVM, unsigned uOperation, unsigned uArg, ...);
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374 | VMMRCDECL(void) VMMGCGuestToHost(PVM pVM, int rc);
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375 | VMMRCDECL(void) VMMGCLogFlushIfFull(PVM pVM);
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376 | /** @} */
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377 | #endif /* IN_RC */
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378 |
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379 | #if defined(IN_RC) || defined(IN_RING0)
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380 | /** @defgroup grp_vmm_rz The VMM Raw-Mode and Ring-0 Context API
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381 | * @ingroup grp_vmm
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382 | * @{
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383 | */
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384 | VMMRZDECL(int) VMMRZCallRing3(PVM pVM, PVMCPU pVCpu, VMMCALLRING3 enmOperation, uint64_t uArg);
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385 | VMMRZDECL(int) VMMRZCallRing3NoCpu(PVM pVM, VMMCALLRING3 enmOperation, uint64_t uArg);
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386 | VMMRZDECL(void) VMMRZCallRing3Disable(PVMCPU pVCpu);
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387 | VMMRZDECL(void) VMMRZCallRing3Enable(PVMCPU pVCpu);
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388 | VMMRZDECL(bool) VMMRZCallRing3IsEnabled(PVMCPU pVCpu);
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389 | /** @} */
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390 | #endif
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391 |
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392 |
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393 | /** @} */
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394 | RT_C_DECLS_END
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395 |
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396 | #endif
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397 |
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