1 | /* $Id: SUPDrv-freebsd.c 4988 2007-09-24 03:47:01Z vboxsync $ */
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2 | /** @file
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3 | * VBoxDrv - FreeBSD specifics.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (c) 2007 knut st. osmundsen <[email protected]>
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8 | *
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9 | * Permission is hereby granted, free of charge, to any person
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10 | * obtaining a copy of this software and associated documentation
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11 | * files (the "Software"), to deal in the Software without
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12 | * restriction, including without limitation the rights to use,
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13 | * copy, modify, merge, publish, distribute, sublicense, and/or sell
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14 | * copies of the Software, and to permit persons to whom the
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15 | * Software is furnished to do so, subject to the following
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16 | * conditions:
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17 | *
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18 | * The above copyright notice and this permission notice shall be
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19 | * included in all copies or substantial portions of the Software.
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20 | *
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21 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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22 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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23 | * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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24 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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25 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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26 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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27 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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28 | * OTHER DEALINGS IN THE SOFTWARE.
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29 | */
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30 |
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31 |
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32 | /*******************************************************************************
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33 | * Header Files *
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34 | *******************************************************************************/
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35 | /* Deal with conflicts first. */
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36 | #include <sys/param.h>
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37 | #undef PVM
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38 | #include <sys/types.h>
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39 | #include <sys/module.h>
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40 | #include <sys/systm.h>
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41 | #include <sys/errno.h>
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42 | #include <sys/kernel.h>
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43 | #include <sys/fcntl.h>
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44 | #include <sys/conf.h>
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45 | #include <sys/uio.h>
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46 |
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47 | #include "SUPDRV.h"
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48 | #include <VBox/version.h>
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49 | #include <iprt/initterm.h>
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50 | #include <iprt/string.h>
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51 | #include <iprt/spinlock.h>
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52 | #include <iprt/process.h>
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53 | #include <iprt/assert.h>
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54 | #include <iprt/log.h>
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55 | #include <iprt/alloc.h>
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56 | #include <iprt/err.h>
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57 |
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58 |
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59 | /*******************************************************************************
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60 | * Internal Functions *
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61 | *******************************************************************************/
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62 | static int VBoxDrvFreeBSDModuleEvent(struct module *pMod, int enmEventType, void *pvArg);
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63 | static int VBoxDrvFreeBSDLoad(void);
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64 | static int VBoxDrvFreeBSDUnload(void);
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65 | static void VBoxDrvFreeBSDClone(void *pvArg, struct ucred *pCred, char *pachName, int cchName, struct cdev **ppDev);
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66 |
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67 | static d_fdopen_t VBoxDrvFreeBSDOpen;
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68 | static d_close_t VBoxDrvFreeBSDClose;
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69 | static d_ioctl_t VBoxDrvFreeBSDIOCtl;
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70 | static int VBoxDrvFreeBSDIOCtlSlow(PSUPDRVSESSION pSession, u_long ulCmd, caddr_t pvData, struct thread *pTd);
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71 |
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72 |
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73 | /*******************************************************************************
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74 | * Global Variables *
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75 | *******************************************************************************/
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76 | /**
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77 | * Module info structure used by the kernel.
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78 | */
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79 | static moduledata_t g_VBoxDrvFreeBSDModule =
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80 | {
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81 | "vboxdrv",
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82 | VBoxDrvFreeBSDModuleEvent,
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83 | NULL
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84 | };
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85 |
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86 | /** Declare the module as a pseudo device. */
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87 | DECLARE_MODULE(vboxdrv, g_VBoxDrvFreeBSDModule, SI_SUB_PSEUDO, SI_ORDER_ANY);
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88 |
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89 | /**
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90 | * The /dev/vboxdrv character device entry points.
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91 | */
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92 | static struct cdevsw g_VBoxDrvFreeBSDChrDevSW =
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93 | {
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94 | .d_version = D_VERSION,
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95 | .d_flags = D_PSEUDO | D_TRACKCLOSE,
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96 | .d_fdopen = VBoxDrvFreeBSDOpen,
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97 | .d_close = VBoxDrvFreeBSDClose,
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98 | .d_ioctl = VBoxDrvFreeBSDIOCtl,
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99 | .d_name = "vboxdrv"
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100 | };
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101 |
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102 | /** List of cloned device. Managed by the kernel. */
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103 | static struct clonedevs *g_pVBoxDrvFreeBSDClones;
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104 | /** The dev_clone event handler tag. */
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105 | static eventhandler_tag g_VBoxDrvFreeBSDEHTag;
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106 |
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107 | /** The device extention. */
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108 | static SUPDRVDEVEXT g_VBoxDrvFreeBSDDevExt;
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109 |
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110 |
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111 |
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112 |
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113 | /**
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114 | * Module event handler.
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115 | *
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116 | * @param pMod The module structure.
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117 | * @param enmEventType The event type (modeventtype_t).
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118 | * @param pvArg Module argument. NULL.
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119 | *
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120 | * @return 0 on success, errno.h status code on failure.
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121 | */
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122 | static int VBoxDrvFreeBSDModuleEvent(struct module *pMod, int enmEventType, void *pvArg)
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123 | {
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124 | int rc;
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125 | switch (enmEventType)
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126 | {
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127 | case MOD_LOAD:
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128 | rc = VBoxDrvFreeBSDLoad();
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129 | break;
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130 |
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131 | case MOD_UNLOAD:
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132 | rc = VBoxDrvFreeBSDUnload();
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133 | break;
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134 |
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135 | case MOD_SHUTDOWN:
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136 | case MOD_QUIESCE:
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137 | default:
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138 | return EOPNOTSUPP;
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139 | }
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140 |
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141 | if (RT_SUCCESS(rc))
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142 | return 0;
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143 | return RTErrConvertToErrno(rc);
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144 | }
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145 |
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146 |
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147 | static int VBoxDrvFreeBSDLoad(void)
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148 | {
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149 | dprintf(("VBoxDrvFreeBSDLoad:\n"));
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150 |
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151 | /*
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152 | * Initialize the runtime.
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153 | */
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154 | int rc = RTR0Init(0);
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155 | if (RT_SUCCESS(rc))
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156 | {
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157 | /*
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158 | * Initialize the device extension.
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159 | */
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160 | rc = supdrvInitDevExt(&g_VBoxDrvFreeBSDDevExt);
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161 | if (RT_SUCCESS(rc))
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162 | {
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163 | /*
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164 | * Configure device cloning.
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165 | */
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166 | clone_setup(&g_pVBoxDrvFreeBSDClones);
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167 | g_VBoxDrvFreeBSDEHTag = EVENTHANDLER_REGISTER(dev_clone, VBoxDrvFreeBSDClone, 0, 1000);
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168 | if (g_VBoxDrvFreeBSDEHTag)
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169 | {
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170 | dprintf(("VBoxDrvFreeBSDLoad: returns successfully\n"));
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171 | return VINF_SUCCESS;
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172 | }
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173 |
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174 | printf("vboxdrv: EVENTHANDLER_REGISTER(dev_clone,,,) failed\n");
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175 | clone_cleanup(&g_pVBoxDrvFreeBSDClones);
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176 | rc = SUPDRV_ERR_ALREADY_LOADED;
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177 | supdrvDeleteDevExt(&g_VBoxDrvFreeBSDDevExt);
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178 | }
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179 | else
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180 | printf("vboxdrv: supdrvInitDevExt failed, rc=%d\n", rc);
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181 | RTR0Term();
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182 | }
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183 | else
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184 | printf("vboxdrv: RTR0Init failed, rc=%d\n", rc);
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185 | return rc;
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186 | }
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187 |
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188 | static int VBoxDrvFreeBSDUnload(void)
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189 | {
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190 | dprintf(("VBoxDrvFreeBSDUnload:\n"));
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191 |
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192 | /** @todo verify that FreeBSD does reference counting. */
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193 |
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194 | /*
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195 | * Reserve what we did in VBoxDrvFreeBSDInit.
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196 | */
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197 | clone_cleanup(&g_pVBoxDrvFreeBSDClones);
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198 |
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199 | supdrvDeleteDevExt(&g_VBoxDrvFreeBSDDevExt);
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200 |
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201 | RTR0Term();
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202 |
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203 | memset(&g_VBoxDrvFreeBSDDevExt, 0, sizeof(g_VBoxDrvFreeBSDDevExt));
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204 |
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205 | dprintf(("VBoxDrvFreeBSDUnload: returns\n"));
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206 | return VINF_SUCCESS;
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207 | }
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208 |
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209 |
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210 | /**
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211 | * DEVFS event handler.
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212 | */
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213 | static void VBoxDrvFreeBSDClone(void *pvArg, struct ucred *pCred, char *pszName, int cchName, struct cdev **ppDev)
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214 | {
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215 | int iUnit;
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216 | int rc;
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217 |
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218 | dprintf(("VBoxDrvFreeBSDClone: pszName=%s ppDev=%p\n", pszName, ppDev));
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219 |
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220 | /*
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221 | * One device node per user, si_drv1 points to the session.
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222 | * /dev/vboxdrv<N> where N = {0...255}.
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223 | */
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224 | if (!ppDev)
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225 | return;
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226 | if (dev_stdclone(pszName, NULL, "vboxdrv", &iUnit) != 1)
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227 | return;
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228 | if (iUnit >= 256 || iUnit < 0)
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229 | {
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230 | dprintf(("VBoxDrvFreeBSDClone: iUnit=%d >= 256 - rejected\n", iUnit));
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231 | return;
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232 | }
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233 |
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234 | dprintf(("VBoxDrvFreeBSDClone: pszName=%s iUnit=%d\n", pszName, iUnit));
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235 |
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236 | rc = clone_create(&g_pVBoxDrvFreeBSDClones, &g_VBoxDrvFreeBSDChrDevSW, &iUnit, ppDev, 0);
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237 | dprintf(("VBoxDrvFreeBSDClone: clone_create -> %d; iUnit=%d\n", rc, iUnit));
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238 | if (rc)
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239 | {
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240 | *ppDev = make_dev(&g_VBoxDrvFreeBSDChrDevSW,
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241 | unit2minor(iUnit),
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242 | UID_ROOT,
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243 | GID_WHEEL,
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244 | 0666,
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245 | "vboxdrv%d", iUnit);
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246 | if (*ppDev)
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247 | {
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248 | dev_ref(*ppDev);
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249 | (*ppDev)->si_flags |= SI_CHEAPCLONE;
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250 | dprintf(("VBoxDrvFreeBSDClone: Created *ppDev=%p iUnit=%d si_drv1=%p si_drv2=%p\n",
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251 | *ppDev, iUnit, (*ppDev)->si_drv1, (*ppDev)->si_drv2));
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252 | (*ppDev)->si_drv1 = (*ppDev)->si_drv2 = NULL;
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253 | }
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254 | else
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255 | OSDBGPRINT(("VBoxDrvFreeBSDClone: make_dev iUnit=%d failed\n", iUnit));
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256 | }
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257 | else
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258 | dprintf(("VBoxDrvFreeBSDClone: Existing *ppDev=%p iUnit=%d si_drv1=%p si_drv2=%p\n",
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259 | *ppDev, iUnit, (*ppDev)->si_drv1, (*ppDev)->si_drv2));
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260 | }
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261 |
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262 |
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263 |
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264 | /**
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265 | *
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266 | * @returns 0 on success, errno on failure.
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267 | * EBUSY if the device is used by someone else.
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268 | * @param pDev The device node.
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269 | * @param fOpen The open flags.
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270 | * @param pTd The thread.
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271 | * @param pFd The file descriptor. FreeBSD 7.0 and later.
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272 | * @param iFd The file descriptor index(?). Pre FreeBSD 7.0.
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273 | */
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274 | #if FreeBSD >= 700 /* figure when and how to check properly */
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275 | static int VBoxDrvFreeBSDOpen(struct cdev *pDev, int fOpen, struct thread *pTd, struct file *pFd)
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276 | #else
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277 | static int VBoxDrvFreeBSDOpen(struct cdev *pDev, int fOpen, struct thread *pTd, int iFd)
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278 | #endif
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279 | {
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280 | PSUPDRVSESSION pSession;
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281 | int rc;
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282 |
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283 | dprintf(("VBoxDrvFreeBSDOpen: fOpen=%#x iUnit=%d\n", fOpen, minor2unit(minor(pDev))));
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284 |
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285 | /*
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286 | * Let's be a bit picky about the flags...
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287 | */
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288 | if (fOpen != (FREAD|FWRITE /*=O_RDWR*/))
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289 | {
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290 | dprintf(("VBoxDrvFreeBSDOpen: fOpen=%#x expected %#x\n", fOpen, O_RDWR));
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291 | return EINVAL;
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292 | }
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293 |
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294 | /*
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295 | * Try grab it (we don't grab the giant, remember).
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296 | */
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297 | if (!ASMAtomicCmpXchgPtr(&pDev->si_drv1, (void *)0x42, NULL))
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298 | return EBUSY;
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299 |
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300 | /*
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301 | * Create a new session.
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302 | */
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303 | rc = supdrvCreateSession(&g_VBoxDrvFreeBSDDevExt, &pSession);
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304 | if (RT_SUCCESS(rc))
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305 | {
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306 | pSession->Uid = 0;
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307 | pSession->Gid = 0;
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308 | pSession->Process = RTProcSelf();
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309 | pSession->R0Process = RTR0ProcHandleSelf();
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310 | if (ASMAtomicCmpXchgPtr(&pDev->si_drv1, pSession, (void *)0x42))
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311 | return 0;
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312 |
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313 | OSDBGPRINT(("VBoxDrvFreeBSDOpen: si_drv1=%p, expected 0x42!\n", pDev->si_drv1));
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314 | supdrvCloseSession(&g_VBoxDrvFreeBSDDevExt, pSession);
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315 | }
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316 |
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317 | return RTErrConvertToErrno(rc);
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318 | }
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319 |
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320 |
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321 | /**
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322 | * Close a file device previously opened by VBoxDrvFreeBSDOpen
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323 | *
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324 | * @returns 0 on success.
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325 | * @param pDev The device.
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326 | * @param fFile The file descriptor flags.
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327 | * @param DevType The device type (CHR.
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328 | * @param pTd The calling thread.
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329 | */
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330 | static int VBoxDrvFreeBSDClose(struct cdev *pDev, int fFile, int DevType, struct thread *pTd)
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331 | {
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332 | PSUPDRVSESSION pSession = (PSUPDRVSESSION)pDev->si_drv1;
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333 | dprintf(("VBoxDrvFreeBSDClose: fFile=%#x iUnit=%d pSession=%p\n", fFile, minor2unit(minor(pDev)), pSession));
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334 |
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335 | /*
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336 | * Close the session if it's still hanging on to the device...
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337 | */
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338 | if (VALID_PTR(pSession))
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339 | {
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340 | supdrvCloseSession(&g_VBoxDrvFreeBSDDevExt, pSession);
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341 | if (!ASMAtomicCmpXchgPtr(&pDev->si_drv1, NULL, pSession))
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342 | OSDBGPRINT(("VBoxDrvFreeBSDClose: si_drv1=%p expected %p!\n", pDev->si_drv1, pSession));
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343 | }
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344 | else
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345 | OSDBGPRINT(("VBoxDrvFreeBSDClose: si_drv1=%p!\n", pSession));
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346 | return 0;
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347 | }
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348 |
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349 |
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350 | /**
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351 | * I/O control request.
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352 | *
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353 | * @returns depends...
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354 | * @param pDev The device.
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355 | * @param ulCmd The command.
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356 | * @param pvData Pointer to the data.
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357 | * @param fFile The file descriptor flags.
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358 | * @param pTd The calling thread.
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359 | */
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360 | static int VBoxDrvFreeBSDIOCtl(struct cdev *pDev, u_long ulCmd, caddr_t pvData, int fFile, struct thread *pTd)
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361 | {
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362 | /*
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363 | * Validate the input.
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364 | */
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365 | PSUPDRVSESSION pSession = (PSUPDRVSESSION)pDev->si_drv1;
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366 | if (RT_UNLIKELY(!VALID_PTR(pSession)))
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367 | return EINVAL;
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368 |
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369 | /*
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370 | * Deal with the fast ioctl path first.
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371 | */
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372 | if ( ulCmd == SUP_IOCTL_FAST_DO_RAW_RUN
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373 | || ulCmd == SUP_IOCTL_FAST_DO_HWACC_RUN
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374 | || ulCmd == SUP_IOCTL_FAST_DO_NOP)
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375 | return supdrvIOCtlFast(ulCmd, &g_VBoxDrvFreeBSDDevExt, pSession);
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376 |
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377 | return VBoxDrvFreeBSDIOCtlSlow(pSession, ulCmd, pvData, pTd);
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378 | }
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379 |
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380 |
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381 | /**
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382 | * Deal with the 'slow' I/O control requests.
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383 | *
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384 | * @returns 0 on success, appropriate errno on failure.
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385 | * @param pSession The session.
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386 | * @param ulCmd The command.
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387 | * @param pvData The request data.
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388 | * @param pTd The calling thread.
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389 | */
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390 | static int VBoxDrvFreeBSDIOCtlSlow(PSUPDRVSESSION pSession, u_long ulCmd, caddr_t pvData, struct thread *pTd)
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391 | {
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392 | PSUPREQHDR pHdr;
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393 | uint32_t cbReq = IOCPARM_LEN(ulCmd);
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394 | void *pvUser = NULL;
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395 |
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396 | /*
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397 | * Buffered request?
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398 | */
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399 | if ((IOC_DIRMASK & ulCmd) == IOC_INOUT)
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400 | {
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401 | pHdr = (PSUPREQHDR)pvData;
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402 | if (RT_UNLIKELY(cbReq < sizeof(*pHdr)))
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403 | {
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404 | OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: cbReq=%#x < %#x; ulCmd=%#lx\n", cbReq, (int)sizeof(*pHdr), ulCmd));
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405 | return EINVAL;
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406 | }
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407 | if (RT_UNLIKELY((pHdr->fFlags & SUPREQHDR_FLAGS_MAGIC_MASK) != SUPREQHDR_FLAGS_MAGIC))
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408 | {
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409 | OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: bad magic fFlags=%#x; ulCmd=%#lx\n", pHdr->fFlags, ulCmd));
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410 | return EINVAL;
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411 | }
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412 | if (RT_UNLIKELY( RT_MAX(pHdr->cbIn, pHdr->cbOut) != cbReq
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413 | || pHdr->cbIn < sizeof(*pHdr)
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414 | || pHdr->cbOut < sizeof(*pHdr)))
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415 | {
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416 | OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: max(%#x,%#x) != %#x; ulCmd=%#lx\n", pHdr->cbIn, pHdr->cbOut, cbReq, ulCmd));
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417 | return EINVAL;
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418 | }
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419 | }
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420 | /*
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421 | * Big unbuffered request?
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422 | */
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423 | else if ((IOC_DIRMASK & ulCmd) == IOC_VOID && !cbReq)
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424 | {
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425 | /*
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426 | * Read the header, validate it and figure out how much that needs to be buffered.
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427 | */
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428 | SUPREQHDR Hdr;
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429 | pvUser = *(void **)pvData;
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430 | int rc = copyin(pvUser, &Hdr, sizeof(Hdr));
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431 | if (RT_UNLIKELY(rc))
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432 | {
|
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433 | OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: copyin(%p,Hdr,) -> %#x; ulCmd=%#lx\n", pvUser, rc, ulCmd));
|
---|
434 | return rc;
|
---|
435 | }
|
---|
436 | if (RT_UNLIKELY((Hdr.fFlags & SUPREQHDR_FLAGS_MAGIC_MASK) != SUPREQHDR_FLAGS_MAGIC))
|
---|
437 | {
|
---|
438 | OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: bad magic fFlags=%#x; ulCmd=%#lx\n", Hdr.fFlags, ulCmd));
|
---|
439 | return EINVAL;
|
---|
440 | }
|
---|
441 | cbReq = RT_MAX(Hdr.cbIn, Hdr.cbOut);
|
---|
442 | if (RT_UNLIKELY( Hdr.cbIn < sizeof(Hdr)
|
---|
443 | || Hdr.cbOut < sizeof(Hdr)
|
---|
444 | || cbReq > _1M*16))
|
---|
445 | {
|
---|
446 | OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: max(%#x,%#x); ulCmd=%#lx\n", Hdr.cbIn, Hdr.cbOut, ulCmd));
|
---|
447 | return EINVAL;
|
---|
448 | }
|
---|
449 |
|
---|
450 | /*
|
---|
451 | * Allocate buffer and copy in the data.
|
---|
452 | */
|
---|
453 | pHdr = (PSUPREQHDR)RTMemTmpAlloc(cbReq);
|
---|
454 | if (RT_UNLIKELY(!pHdr))
|
---|
455 | {
|
---|
456 | OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: failed to allocate buffer of %d bytes; ulCmd=%#lx\n", cbReq, ulCmd));
|
---|
457 | return ENOMEM;
|
---|
458 | }
|
---|
459 | rc = copyin(pvUser, pHdr, Hdr.cbIn);
|
---|
460 | if (RT_UNLIKELY(rc))
|
---|
461 | {
|
---|
462 | OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: copyin(%p,%p,%#x) -> %#x; ulCmd=%#lx\n",
|
---|
463 | pvUser, pHdr, Hdr.cbIn, rc, ulCmd));
|
---|
464 | RTMemTmpFree(pHdr);
|
---|
465 | return rc;
|
---|
466 | }
|
---|
467 | }
|
---|
468 | else
|
---|
469 | {
|
---|
470 | dprintf(("VBoxDrvFreeBSDIOCtlSlow: huh? cbReq=%#x ulCmd=%#lx\n", cbReq, ulCmd));
|
---|
471 | return EINVAL;
|
---|
472 | }
|
---|
473 |
|
---|
474 | /*
|
---|
475 | * Process the IOCtl.
|
---|
476 | */
|
---|
477 | int rc = supdrvIOCtl(ulCmd, &g_VBoxDrvFreeBSDDevExt, pSession, pHdr);
|
---|
478 | if (RT_LIKELY(!rc))
|
---|
479 | {
|
---|
480 | /*
|
---|
481 | * If unbuffered, copy back the result before returning.
|
---|
482 | */
|
---|
483 | if (pvUser)
|
---|
484 | {
|
---|
485 | uint32_t cbOut = pHdr->cbOut;
|
---|
486 | if (cbOut > cbReq)
|
---|
487 | {
|
---|
488 | OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: too much output! %#x > %#x; uCmd=%#lx!\n", cbOut, cbReq, ulCmd));
|
---|
489 | cbOut = cbReq;
|
---|
490 | }
|
---|
491 | rc = copyout(pHdr, pvUser, cbOut);
|
---|
492 | if (RT_UNLIKELY(rc))
|
---|
493 | OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: copyout(%p,%p,%#x) -> %d; uCmd=%#lx!\n", pHdr, pvUser, cbOut, rc, ulCmd));
|
---|
494 |
|
---|
495 | /* cleanup */
|
---|
496 | RTMemTmpFree(pHdr);
|
---|
497 | }
|
---|
498 | dprintf(("VBoxDrvFreeBSDIOCtlSlow: returns %d / %d ulCmd=%lx\n", 0, pHdr->rc, ulCmd));
|
---|
499 | }
|
---|
500 | else
|
---|
501 | {
|
---|
502 | /*
|
---|
503 | * The request failed, just clean up.
|
---|
504 | */
|
---|
505 | if (pvUser)
|
---|
506 | RTMemTmpFree(pHdr);
|
---|
507 |
|
---|
508 | dprintf(("VBoxDrvFreeBSDIOCtlSlow: ulCmd=%lx pData=%p failed, rc=%d\n", ulCmd, pvData, rc));
|
---|
509 | rc = EINVAL;
|
---|
510 | }
|
---|
511 |
|
---|
512 | return rc;
|
---|
513 | }
|
---|
514 |
|
---|
515 |
|
---|
516 |
|
---|
517 | void VBOXCALL supdrvOSObjInitCreator(PSUPDRVOBJ pObj, PSUPDRVSESSION pSession)
|
---|
518 | {
|
---|
519 | NOREF(pObj);
|
---|
520 | NOREF(pSession);
|
---|
521 | }
|
---|
522 |
|
---|
523 |
|
---|
524 | bool VBOXCALL supdrvOSObjCanAccess(PSUPDRVOBJ pObj, PSUPDRVSESSION pSession, const char *pszObjName, int *prc)
|
---|
525 | {
|
---|
526 | NOREF(pObj);
|
---|
527 | NOREF(pSession);
|
---|
528 | NOREF(pszObjName);
|
---|
529 | NOREF(prc);
|
---|
530 | return false;
|
---|
531 | }
|
---|
532 |
|
---|
533 |
|
---|
534 | SUPR0DECL(int) SUPR0Printf(const char *pszFormat, ...)
|
---|
535 | {
|
---|
536 | va_list va;
|
---|
537 | char szMsg[256];
|
---|
538 | int cch;
|
---|
539 |
|
---|
540 | va_start(va, pszFormat);
|
---|
541 | cch = RTStrPrintfV(szMsg, sizeof(szMsg), pszFormat, va);
|
---|
542 | va_end(va);
|
---|
543 |
|
---|
544 | printf("%s", szMsg);
|
---|
545 |
|
---|
546 | return cch;
|
---|
547 | }
|
---|
548 |
|
---|