1 | /* $Id: tstVMREQ.cpp 92613 2021-11-26 21:53:47Z vboxsync $ */
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2 | /** @file
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3 | * VMM Testcase.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2006-2020 Oracle Corporation
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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 |
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18 |
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19 | /*********************************************************************************************************************************
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20 | * Header Files *
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21 | *********************************************************************************************************************************/
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22 | #include <VBox/vmm/vm.h>
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23 | #include <VBox/vmm/vmm.h>
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24 | #include <VBox/vmm/cpum.h>
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25 | #include <VBox/err.h>
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26 | #include <VBox/log.h>
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27 | #include <iprt/assert.h>
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28 | #include <iprt/initterm.h>
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29 | #include <iprt/semaphore.h>
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30 | #include <iprt/stream.h>
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31 | #include <iprt/string.h>
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32 | #include <iprt/thread.h>
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33 | #include <iprt/time.h>
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34 |
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35 |
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36 | /*********************************************************************************************************************************
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37 | * Defined Constants And Macros *
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38 | *********************************************************************************************************************************/
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39 | #define TESTCASE "tstVMREQ"
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40 |
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41 |
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42 | /*********************************************************************************************************************************
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43 | * Global Variables *
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44 | *********************************************************************************************************************************/
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45 | /** the error count. */
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46 | static int g_cErrors = 0;
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47 |
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48 |
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49 | /**
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50 | * Testings va_list passing in VMSetRuntimeError.
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51 | */
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52 | static DECLCALLBACK(void) MyAtRuntimeError(PUVM pUVM, void *pvUser, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, va_list va)
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53 | {
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54 | NOREF(pUVM);
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55 | if (strcmp((const char *)pvUser, "user argument"))
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56 | {
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57 | RTPrintf(TESTCASE ": pvUser=%p:{%s}!\n", pvUser, (const char *)pvUser);
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58 | g_cErrors++;
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59 | }
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60 | if (fFlags)
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61 | {
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62 | RTPrintf(TESTCASE ": fFlags=%#x!\n", fFlags);
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63 | g_cErrors++;
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64 | }
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65 | if (strcmp(pszErrorId, "enum"))
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66 | {
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67 | RTPrintf(TESTCASE ": pszErrorId=%p:{%s}!\n", pszErrorId, pszErrorId);
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68 | g_cErrors++;
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69 | }
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70 | if (strcmp(pszFormat, "some %s string"))
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71 | {
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72 | RTPrintf(TESTCASE ": pszFormat=%p:{%s}!\n", pszFormat, pszFormat);
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73 | g_cErrors++;
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74 | }
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75 |
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76 | char szBuf[1024];
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77 | RTStrPrintfV(szBuf, sizeof(szBuf), pszFormat, va);
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78 | if (strcmp(szBuf, "some error string"))
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79 | {
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80 | RTPrintf(TESTCASE ": RTStrPrintfV -> '%s'!\n", szBuf);
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81 | g_cErrors++;
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82 | }
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83 | }
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84 |
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85 |
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86 | /**
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87 | * The function PassVA and PassVA2 calls.
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88 | */
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89 | static DECLCALLBACK(int) PassVACallback(PUVM pUVM, unsigned u4K, unsigned u1G, const char *pszFormat, va_list *pva)
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90 | {
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91 | NOREF(pUVM);
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92 | if (u4K != _4K)
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93 | {
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94 | RTPrintf(TESTCASE ": u4K=%#x!\n", u4K);
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95 | g_cErrors++;
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96 | }
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97 | if (u1G != _1G)
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98 | {
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99 | RTPrintf(TESTCASE ": u1G=%#x!\n", u1G);
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100 | g_cErrors++;
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101 | }
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102 |
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103 | if (strcmp(pszFormat, "hello %s"))
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104 | {
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105 | RTPrintf(TESTCASE ": pszFormat=%p:{%s}!\n", pszFormat, pszFormat);
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106 | g_cErrors++;
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107 | }
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108 |
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109 | char szBuf[1024];
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110 | RTStrPrintfV(szBuf, sizeof(szBuf), pszFormat, *pva);
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111 | if (strcmp(szBuf, "hello world"))
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112 | {
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113 | RTPrintf(TESTCASE ": RTStrPrintfV -> '%s'!\n", szBuf);
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114 | g_cErrors++;
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115 | }
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116 |
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117 | return VINF_SUCCESS;
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118 | }
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119 |
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120 |
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121 | /**
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122 | * Functions that tests passing a va_list * argument in a request,
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123 | * similar to VMSetRuntimeError.
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124 | */
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125 | static void PassVA2(PUVM pUVM, const char *pszFormat, va_list va)
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126 | {
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127 | #if 0 /** @todo test if this is a GCC problem only or also happens with AMD64+VCC80... */
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128 | void *pvVA = &va;
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129 | #else
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130 | va_list va2;
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131 | va_copy(va2, va);
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132 | void *pvVA = &va2;
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133 | #endif
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134 |
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135 | int rc = VMR3ReqCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)PassVACallback, 5, pUVM, _4K, _1G, pszFormat, pvVA);
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136 | NOREF(rc);
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137 |
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138 | #if 1
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139 | va_end(va2);
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140 | #endif
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141 | }
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142 |
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143 |
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144 | /**
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145 | * Functions that tests passing a va_list * argument in a request,
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146 | * similar to VMSetRuntimeError.
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147 | */
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148 | static void PassVA(PUVM pUVM, const char *pszFormat, ...)
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149 | {
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150 | /* 1st test */
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151 | va_list va1;
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152 | va_start(va1, pszFormat);
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153 | int rc = VMR3ReqCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)PassVACallback, 5, pUVM, _4K, _1G, pszFormat, &va1);
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154 | va_end(va1);
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155 | NOREF(rc);
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156 |
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157 | /* 2nd test */
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158 | va_list va2;
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159 | va_start(va2, pszFormat);
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160 | PassVA2(pUVM, pszFormat, va2);
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161 | va_end(va2);
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162 | }
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163 |
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164 |
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165 | /**
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166 | * Thread function which allocates and frees requests like wildfire.
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167 | */
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168 | static DECLCALLBACK(int) Thread(RTTHREAD hThreadSelf, void *pvUser)
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169 | {
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170 | int rc = VINF_SUCCESS;
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171 | PUVM pUVM = (PUVM)pvUser;
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172 | NOREF(hThreadSelf);
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173 |
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174 | for (unsigned i = 0; i < 100000; i++)
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175 | {
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176 | PVMREQ apReq[17];
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177 | const unsigned cReqs = i % RT_ELEMENTS(apReq);
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178 | unsigned iReq;
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179 | for (iReq = 0; iReq < cReqs; iReq++)
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180 | {
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181 | rc = VMR3ReqAlloc(pUVM, &apReq[iReq], VMREQTYPE_INTERNAL, VMCPUID_ANY);
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182 | if (RT_FAILURE(rc))
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183 | {
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184 | RTPrintf(TESTCASE ": i=%d iReq=%d cReqs=%d rc=%Rrc (alloc)\n", i, iReq, cReqs, rc);
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185 | return rc;
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186 | }
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187 | apReq[iReq]->iStatus = iReq + i;
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188 | }
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189 |
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190 | for (iReq = 0; iReq < cReqs; iReq++)
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191 | {
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192 | if (apReq[iReq]->iStatus != (int)(iReq + i))
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193 | {
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194 | RTPrintf(TESTCASE ": i=%d iReq=%d cReqs=%d: iStatus=%d != %d\n", i, iReq, cReqs, apReq[iReq]->iStatus, iReq + i);
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195 | return VERR_GENERAL_FAILURE;
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196 | }
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197 | rc = VMR3ReqFree(apReq[iReq]);
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198 | if (RT_FAILURE(rc))
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199 | {
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200 | RTPrintf(TESTCASE ": i=%d iReq=%d cReqs=%d rc=%Rrc (free)\n", i, iReq, cReqs, rc);
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201 | return rc;
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202 | }
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203 | }
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204 | //if (!(i % 10000))
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205 | // RTPrintf(TESTCASE ": i=%d\n", i);
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206 | }
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207 |
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208 | return VINF_SUCCESS;
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209 | }
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210 |
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211 | static DECLCALLBACK(int)
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212 | tstVMREQConfigConstructor(PUVM pUVM, PVM pVM, void *pvUser)
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213 | {
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214 | RT_NOREF2(pUVM, pvUser);
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215 | return CFGMR3ConstructDefaultTree(pVM);
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216 | }
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217 |
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218 | /**
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219 | * Entry point.
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220 | */
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221 | extern "C" DECLEXPORT(int) TrustedMain(int argc, char **argv, char **envp)
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222 | {
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223 | RT_NOREF1(envp);
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224 | RTR3InitExe(argc, &argv, RTR3INIT_FLAGS_TRY_SUPLIB);
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225 | RTPrintf(TESTCASE ": TESTING...\n");
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226 | RTStrmFlush(g_pStdOut);
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227 |
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228 | /*
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229 | * Create empty VM.
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230 | */
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231 | PUVM pUVM;
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232 | int rc = VMR3Create(1, NULL, NULL, NULL, tstVMREQConfigConstructor, NULL, NULL, &pUVM);
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233 | if (RT_SUCCESS(rc))
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234 | {
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235 | /*
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236 | * Do testing.
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237 | */
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238 | uint64_t u64StartTS = RTTimeNanoTS();
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239 | RTTHREAD Thread0;
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240 | rc = RTThreadCreate(&Thread0, Thread, pUVM, 0, RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "REQ1");
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241 | if (RT_SUCCESS(rc))
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242 | {
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243 | RTTHREAD Thread1;
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244 | rc = RTThreadCreate(&Thread1, Thread, pUVM, 0, RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "REQ1");
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245 | if (RT_SUCCESS(rc))
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246 | {
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247 | int rcThread1;
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248 | rc = RTThreadWait(Thread1, RT_INDEFINITE_WAIT, &rcThread1);
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249 | if (RT_FAILURE(rc))
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250 | {
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251 | RTPrintf(TESTCASE ": RTThreadWait(Thread1,,) failed, rc=%Rrc\n", rc);
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252 | g_cErrors++;
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253 | }
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254 | if (RT_FAILURE(rcThread1))
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255 | g_cErrors++;
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256 | }
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257 | else
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258 | {
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259 | RTPrintf(TESTCASE ": RTThreadCreate(&Thread1,,,,) failed, rc=%Rrc\n", rc);
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260 | g_cErrors++;
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261 | }
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262 |
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263 | int rcThread0;
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264 | rc = RTThreadWait(Thread0, RT_INDEFINITE_WAIT, &rcThread0);
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265 | if (RT_FAILURE(rc))
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266 | {
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267 | RTPrintf(TESTCASE ": RTThreadWait(Thread1,,) failed, rc=%Rrc\n", rc);
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268 | g_cErrors++;
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269 | }
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270 | if (RT_FAILURE(rcThread0))
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271 | g_cErrors++;
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272 | }
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273 | else
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274 | {
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275 | RTPrintf(TESTCASE ": RTThreadCreate(&Thread0,,,,) failed, rc=%Rrc\n", rc);
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276 | g_cErrors++;
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277 | }
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278 | uint64_t u64ElapsedTS = RTTimeNanoTS() - u64StartTS;
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279 | RTPrintf(TESTCASE ": %llu ns elapsed\n", u64ElapsedTS);
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280 | RTStrmFlush(g_pStdOut);
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281 |
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282 | /*
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283 | * Print stats.
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284 | */
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285 | STAMR3Print(pUVM, "/VM/Req/*");
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286 |
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287 | /*
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288 | * Testing va_list fun.
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289 | */
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290 | RTPrintf(TESTCASE ": va_list argument test...\n"); RTStrmFlush(g_pStdOut);
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291 | PassVA(pUVM, "hello %s", "world");
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292 | VMR3AtRuntimeErrorRegister(pUVM, MyAtRuntimeError, (void *)"user argument");
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293 | VMSetRuntimeError(VMR3GetVM(pUVM), 0 /*fFlags*/, "enum", "some %s string", "error");
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294 |
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295 | /*
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296 | * Cleanup.
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297 | */
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298 | rc = VMR3PowerOff(pUVM);
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299 | if (!RT_SUCCESS(rc))
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300 | {
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301 | RTPrintf(TESTCASE ": error: failed to power off vm! rc=%Rrc\n", rc);
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302 | g_cErrors++;
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303 | }
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304 | rc = VMR3Destroy(pUVM);
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305 | if (!RT_SUCCESS(rc))
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306 | {
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307 | RTPrintf(TESTCASE ": error: failed to destroy vm! rc=%Rrc\n", rc);
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308 | g_cErrors++;
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309 | }
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310 | VMR3ReleaseUVM(pUVM);
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311 | }
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312 | else if (rc == VERR_SVM_NO_SVM || rc == VERR_VMX_NO_VMX)
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313 | {
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314 | RTPrintf(TESTCASE ": Skipped: %Rrc\n", rc);
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315 | return RTEXITCODE_SKIPPED;
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316 | }
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317 | else
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318 | {
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319 | RTPrintf(TESTCASE ": fatal error: failed to create vm! rc=%Rrc\n", rc);
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320 | g_cErrors++;
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321 | }
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322 |
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323 | /*
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324 | * Summary and return.
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325 | */
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326 | if (!g_cErrors)
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327 | RTPrintf(TESTCASE ": SUCCESS\n");
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328 | else
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329 | RTPrintf(TESTCASE ": FAILURE - %d errors\n", g_cErrors);
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330 |
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331 | return !!g_cErrors;
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332 | }
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333 |
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334 |
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335 | #if !defined(VBOX_WITH_HARDENING) || !defined(RT_OS_WINDOWS)
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336 | /**
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337 | * Main entry point.
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338 | */
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339 | int main(int argc, char **argv, char **envp)
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340 | {
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341 | return TrustedMain(argc, argv, envp);
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342 | }
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343 | #endif
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344 |
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