1 | /* $Id: SUPDrv-solaris.c 98103 2023-01-17 14:15:46Z vboxsync $ */
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2 | /** @file
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3 | * VBoxDrv - The VirtualBox Support Driver - Solaris specifics.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2006-2023 Oracle and/or its affiliates.
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8 | *
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9 | * This file is part of VirtualBox base platform packages, as
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10 | * available from https://www.virtualbox.org.
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11 | *
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12 | * This program is free software; you can redistribute it and/or
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13 | * modify it under the terms of the GNU General Public License
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14 | * as published by the Free Software Foundation, in version 3 of the
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15 | * License.
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16 | *
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17 | * This program is distributed in the hope that it will be useful, but
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18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 | * General Public License for more details.
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21 | *
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22 | * You should have received a copy of the GNU General Public License
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23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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24 | *
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25 | * The contents of this file may alternatively be used under the terms
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26 | * of the Common Development and Distribution License Version 1.0
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27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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28 | * in the VirtualBox distribution, in which case the provisions of the
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29 | * CDDL are applicable instead of those of the GPL.
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30 | *
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31 | * You may elect to license modified versions of this file under the
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32 | * terms and conditions of either the GPL or the CDDL or both.
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33 | *
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34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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35 | */
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36 |
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37 |
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38 | /*********************************************************************************************************************************
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39 | * Header Files *
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40 | *********************************************************************************************************************************/
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41 | #define LOG_GROUP LOG_GROUP_SUP_DRV
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42 | #include <sys/types.h>
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43 | #include <sys/param.h>
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44 | #include <sys/errno.h>
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45 | #include <sys/uio.h>
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46 | #include <sys/buf.h>
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47 | #include <sys/modctl.h>
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48 | #include <sys/kobj.h>
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49 | #include <sys/kobj_impl.h>
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50 | #include <sys/open.h>
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51 | #include <sys/conf.h>
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52 | #include <sys/cmn_err.h>
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53 | #include <sys/stat.h>
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54 | #include <sys/ddi.h>
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55 | #include <sys/sunddi.h>
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56 | #include <sys/file.h>
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57 | #include <sys/priv_names.h>
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58 | #include <vm/hat.h>
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59 | #undef u /* /usr/include/sys/user.h:249:1 is where this is defined to (curproc->p_user). very cool. */
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60 |
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61 | #include "../SUPDrvInternal.h"
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62 | #include <VBox/log.h>
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63 | #include <VBox/param.h>
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64 | #include <VBox/version.h>
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65 | #include <iprt/semaphore.h>
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66 | #include <iprt/spinlock.h>
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67 | #include <iprt/mp.h>
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68 | #include <iprt/path.h>
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69 | #include <iprt/power.h>
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70 | #include <iprt/process.h>
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71 | #include <iprt/thread.h>
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72 | #include <iprt/initterm.h>
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73 | #include <iprt/alloc.h>
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74 | #include <iprt/string.h>
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75 | #include <iprt/err.h>
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76 |
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77 | #include "dtrace/SUPDrv.h"
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78 |
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79 | extern caddr_t hat_kpm_pfn2va(pfn_t); /* Found in vm/hat.h on solaris 11.3, but not on older like 10u7. */
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80 |
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81 |
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82 | /*********************************************************************************************************************************
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83 | * Defined Constants And Macros *
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84 | *********************************************************************************************************************************/
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85 | /** The system device name. */
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86 | #define DEVICE_NAME_SYS "vboxdrv"
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87 | /** The user device name. */
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88 | #define DEVICE_NAME_USR "vboxdrvu"
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89 | /** The module description as seen in 'modinfo'. */
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90 | #define DEVICE_DESC "VirtualBox HostDrv"
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91 | /** Maximum number of driver instances. */
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92 | #define DEVICE_MAXINSTANCES 16
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93 |
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94 |
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95 | /*********************************************************************************************************************************
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96 | * Internal Functions *
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97 | *********************************************************************************************************************************/
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98 | static int VBoxDrvSolarisOpen(dev_t *pDev, int fFlag, int fType, cred_t *pCred);
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99 | static int VBoxDrvSolarisClose(dev_t Dev, int fFlag, int fType, cred_t *pCred);
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100 | static int VBoxDrvSolarisRead(dev_t Dev, struct uio *pUio, cred_t *pCred);
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101 | static int VBoxDrvSolarisWrite(dev_t Dev, struct uio *pUio, cred_t *pCred);
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102 | static int VBoxDrvSolarisIOCtl(dev_t Dev, int Cmd, intptr_t pArgs, int mode, cred_t *pCred, int *pVal);
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103 |
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104 | static int VBoxDrvSolarisAttach(dev_info_t *pDip, ddi_attach_cmd_t Cmd);
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105 | static int VBoxDrvSolarisDetach(dev_info_t *pDip, ddi_detach_cmd_t Cmd);
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106 | static int VBoxDrvSolarisQuiesceNotNeeded(dev_info_t *pDip);
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107 |
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108 | static int VBoxSupDrvErr2SolarisErr(int rc);
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109 | static int VBoxDrvSolarisIOCtlSlow(PSUPDRVSESSION pSession, int Cmd, int Mode, intptr_t pArgs);
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110 |
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111 |
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112 | /*********************************************************************************************************************************
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113 | * Global Variables *
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114 | *********************************************************************************************************************************/
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115 | /**
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116 | * cb_ops: for drivers that support char/block entry points
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117 | */
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118 | static struct cb_ops g_VBoxDrvSolarisCbOps =
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119 | {
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120 | VBoxDrvSolarisOpen,
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121 | VBoxDrvSolarisClose,
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122 | nodev, /* b strategy */
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123 | nodev, /* b dump */
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124 | nodev, /* b print */
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125 | VBoxDrvSolarisRead,
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126 | VBoxDrvSolarisWrite,
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127 | VBoxDrvSolarisIOCtl,
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128 | nodev, /* c devmap */
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129 | nodev, /* c mmap */
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130 | nodev, /* c segmap */
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131 | nochpoll, /* c poll */
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132 | ddi_prop_op, /* property ops */
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133 | NULL, /* streamtab */
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134 | D_NEW | D_MP, /* compat. flag */
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135 | CB_REV /* revision */
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136 | };
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137 |
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138 | /**
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139 | * dev_ops: for driver device operations
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140 | */
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141 | static struct dev_ops g_VBoxDrvSolarisDevOps =
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142 | {
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143 | DEVO_REV, /* driver build revision */
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144 | 0, /* ref count */
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145 | nulldev, /* get info */
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146 | nulldev, /* identify */
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147 | nulldev, /* probe */
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148 | VBoxDrvSolarisAttach,
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149 | VBoxDrvSolarisDetach,
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150 | nodev, /* reset */
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151 | &g_VBoxDrvSolarisCbOps,
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152 | (struct bus_ops *)0,
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153 | nodev, /* power */
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154 | VBoxDrvSolarisQuiesceNotNeeded
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155 | };
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156 |
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157 | /**
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158 | * modldrv: export driver specifics to the kernel
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159 | */
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160 | static struct modldrv g_VBoxDrvSolarisModule =
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161 | {
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162 | &mod_driverops, /* extern from kernel */
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163 | DEVICE_DESC " " VBOX_VERSION_STRING "r" RT_XSTR(VBOX_SVN_REV),
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164 | &g_VBoxDrvSolarisDevOps
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165 | };
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166 |
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167 | /**
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168 | * modlinkage: export install/remove/info to the kernel
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169 | */
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170 | static struct modlinkage g_VBoxDrvSolarisModLinkage =
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171 | {
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172 | MODREV_1, /* loadable module system revision */
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173 | {
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174 | &g_VBoxDrvSolarisModule,
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175 | NULL /* terminate array of linkage structures */
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176 | }
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177 | };
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178 |
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179 | #ifndef USE_SESSION_HASH
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180 | /**
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181 | * State info for each open file handle.
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182 | */
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183 | typedef struct
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184 | {
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185 | /**< Pointer to the session data. */
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186 | PSUPDRVSESSION pSession;
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187 | } vbox_devstate_t;
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188 | #else
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189 | /** State info. for each driver instance. */
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190 | typedef struct
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191 | {
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192 | dev_info_t *pDip; /* Device handle */
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193 | } vbox_devstate_t;
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194 | #endif
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195 |
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196 | /** Opaque pointer to list of state */
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197 | static void *g_pVBoxDrvSolarisState;
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198 |
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199 | /** Device extention & session data association structure */
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200 | static SUPDRVDEVEXT g_DevExt;
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201 |
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202 | /** Hash table */
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203 | static PSUPDRVSESSION g_apSessionHashTab[19];
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204 | /** Spinlock protecting g_apSessionHashTab. */
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205 | static RTSPINLOCK g_Spinlock = NIL_RTSPINLOCK;
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206 | /** Calculates bucket index into g_apSessionHashTab.*/
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207 | #define SESSION_HASH(sfn) ((sfn) % RT_ELEMENTS(g_apSessionHashTab))
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208 |
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209 | /**
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210 | * Kernel entry points
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211 | */
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212 | int _init(void)
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213 | {
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214 | #if 0 /* No IPRT logging before RTR0Init() is done! */
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215 | LogFlowFunc(("vboxdrv:_init\n"));
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216 | #endif
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217 |
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218 | /*
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219 | * Prevent module autounloading.
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220 | */
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221 | modctl_t *pModCtl = mod_getctl(&g_VBoxDrvSolarisModLinkage);
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222 | if (pModCtl)
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223 | pModCtl->mod_loadflags |= MOD_NOAUTOUNLOAD;
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224 | else
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225 | cmn_err(CE_NOTE, "vboxdrv: failed to disable autounloading!\n");
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226 |
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227 | /*
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228 | * Initialize IPRT R0 driver, which internally calls OS-specific r0 init.
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229 | */
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230 | int rc = RTR0Init(0);
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231 | if (RT_SUCCESS(rc))
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232 | {
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233 | /*
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234 | * Initialize the device extension
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235 | */
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236 | rc = supdrvInitDevExt(&g_DevExt, sizeof(SUPDRVSESSION));
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237 | if (RT_SUCCESS(rc))
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238 | {
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239 | cmn_err(CE_CONT, "!tsc::mode %s @ tentative %lu Hz\n", SUPGetGIPModeName(g_DevExt.pGip), g_DevExt.pGip->u64CpuHz);
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240 |
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241 | /*
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242 | * Initialize the session hash table.
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243 | */
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244 | memset(g_apSessionHashTab, 0, sizeof(g_apSessionHashTab));
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245 | rc = RTSpinlockCreate(&g_Spinlock, RTSPINLOCK_FLAGS_INTERRUPT_SAFE, "VBoxDrvSol");
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246 | if (RT_SUCCESS(rc))
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247 | {
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248 | rc = ddi_soft_state_init(&g_pVBoxDrvSolarisState, sizeof(vbox_devstate_t), 8);
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249 | if (!rc)
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250 | {
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251 | rc = mod_install(&g_VBoxDrvSolarisModLinkage);
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252 | if (!rc)
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253 | return rc; /* success */
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254 |
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255 | ddi_soft_state_fini(&g_pVBoxDrvSolarisState);
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256 | LogRel(("vboxdrv: mod_install failed! rc=%d\n", rc));
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257 | }
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258 | else
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259 | LogRel(("vboxdrv: failed to initialize soft state.\n"));
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260 |
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261 | RTSpinlockDestroy(g_Spinlock);
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262 | g_Spinlock = NIL_RTSPINLOCK;
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263 | }
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264 | else
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265 | {
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266 | LogRel(("VBoxDrvSolarisAttach: RTSpinlockCreate failed\n"));
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267 | rc = RTErrConvertToErrno(rc);
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268 | }
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269 | supdrvDeleteDevExt(&g_DevExt);
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270 | }
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271 | else
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272 | {
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273 | LogRel(("VBoxDrvSolarisAttach: supdrvInitDevExt failed\n"));
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274 | rc = EINVAL;
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275 | }
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276 | RTR0TermForced();
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277 | }
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278 | else
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279 | {
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280 | LogRel(("VBoxDrvSolarisAttach: failed to init R0Drv\n"));
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281 | rc = RTErrConvertToErrno(rc);
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282 | }
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283 | memset(&g_DevExt, 0, sizeof(g_DevExt));
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284 |
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285 | return rc;
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286 | }
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287 |
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288 |
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289 | int _fini(void)
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290 | {
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291 | LogFlowFunc(("vboxdrv:_fini\n"));
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292 |
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293 | /*
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294 | * Undo the work we did at start (in the reverse order).
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295 | */
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296 | int rc = mod_remove(&g_VBoxDrvSolarisModLinkage);
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297 | if (rc != 0)
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298 | return rc;
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299 |
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300 | supdrvDeleteDevExt(&g_DevExt);
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301 |
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302 | rc = RTSpinlockDestroy(g_Spinlock);
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303 | AssertRC(rc);
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304 | g_Spinlock = NIL_RTSPINLOCK;
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305 |
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306 | RTR0TermForced();
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307 |
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308 | memset(&g_DevExt, 0, sizeof(g_DevExt));
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309 |
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310 | ddi_soft_state_fini(&g_pVBoxDrvSolarisState);
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311 | return 0;
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312 | }
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313 |
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314 |
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315 | int _info(struct modinfo *pModInfo)
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316 | {
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317 | #if 0 /* No IPRT logging before RTR0Init() is done! And yes this is called before _init()!*/
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318 | LogFlowFunc(("vboxdrv:_init\n"));
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319 | #endif
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320 | int e = mod_info(&g_VBoxDrvSolarisModLinkage, pModInfo);
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321 | return e;
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322 | }
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323 |
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324 |
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325 | /**
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326 | * Attach entry point, to attach a device to the system or resume it.
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327 | *
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328 | * @param pDip The module structure instance.
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329 | * @param enmCmd Operation type (attach/resume).
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330 | *
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331 | * @return corresponding solaris error code.
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332 | */
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333 | static int VBoxDrvSolarisAttach(dev_info_t *pDip, ddi_attach_cmd_t enmCmd)
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334 | {
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335 | LogFlowFunc(("VBoxDrvSolarisAttach\n"));
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336 |
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337 | switch (enmCmd)
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338 | {
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339 | case DDI_ATTACH:
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340 | {
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341 | int rc;
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342 | #ifdef USE_SESSION_HASH
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343 | int instance = ddi_get_instance(pDip);
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344 | vbox_devstate_t *pState;
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345 |
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346 | if (ddi_soft_state_zalloc(g_pVBoxDrvSolarisState, instance) != DDI_SUCCESS)
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347 | {
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348 | LogRel(("VBoxDrvSolarisAttach: state alloc failed\n"));
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349 | return DDI_FAILURE;
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350 | }
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351 |
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352 | pState = ddi_get_soft_state(g_pVBoxDrvSolarisState, instance);
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353 | #endif
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354 |
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355 | /*
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356 | * Register for suspend/resume notifications
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357 | */
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358 | rc = ddi_prop_create(DDI_DEV_T_NONE, pDip, DDI_PROP_CANSLEEP /* kmem alloc can sleep */,
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359 | "pm-hardware-state", "needs-suspend-resume", sizeof("needs-suspend-resume"));
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360 | if (rc != DDI_PROP_SUCCESS)
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361 | LogRel(("vboxdrv: Suspend/Resume notification registration failed.\n"));
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362 |
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363 | /*
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364 | * Register ourselves as a character device, pseudo-driver
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365 | */
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366 | #ifdef VBOX_WITH_HARDENING
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367 | rc = ddi_create_priv_minor_node(pDip, DEVICE_NAME_SYS, S_IFCHR, 0 /*minor*/, DDI_PSEUDO,
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368 | 0, NULL, NULL, 0600);
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369 | #else
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370 | rc = ddi_create_priv_minor_node(pDip, DEVICE_NAME_SYS, S_IFCHR, 0 /*minor*/, DDI_PSEUDO,
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371 | 0, "none", "none", 0666);
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372 | #endif
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373 | if (rc == DDI_SUCCESS)
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374 | {
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375 | rc = ddi_create_priv_minor_node(pDip, DEVICE_NAME_USR, S_IFCHR, 1 /*minor*/, DDI_PSEUDO,
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376 | 0, "none", "none", 0666);
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377 | if (rc == DDI_SUCCESS)
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378 | {
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379 | #ifdef USE_SESSION_HASH
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380 | pState->pDip = pDip;
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381 | #endif
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382 | ddi_report_dev(pDip);
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383 | return DDI_SUCCESS;
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384 | }
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385 | ddi_remove_minor_node(pDip, NULL);
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386 | }
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387 |
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388 | return DDI_FAILURE;
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389 | }
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390 |
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391 | case DDI_RESUME:
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392 | {
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393 | #if 0
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394 | RTSemFastMutexRequest(g_DevExt.mtxGip);
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395 | if (g_DevExt.pGipTimer)
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396 | RTTimerStart(g_DevExt.pGipTimer, 0);
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397 |
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398 | RTSemFastMutexRelease(g_DevExt.mtxGip);
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399 | #endif
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400 | RTPowerSignalEvent(RTPOWEREVENT_RESUME);
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401 | LogFlow(("vboxdrv: Awakened from suspend.\n"));
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402 | return DDI_SUCCESS;
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403 | }
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404 |
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405 | default:
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406 | return DDI_FAILURE;
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407 | }
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408 |
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409 | return DDI_FAILURE;
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410 | }
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411 |
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412 |
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413 | /**
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414 | * Detach entry point, to detach a device to the system or suspend it.
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415 | *
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416 | * @param pDip The module structure instance.
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417 | * @param enmCmd Operation type (detach/suspend).
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418 | *
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419 | * @return corresponding solaris error code.
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420 | */
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421 | static int VBoxDrvSolarisDetach(dev_info_t *pDip, ddi_detach_cmd_t enmCmd)
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422 | {
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423 | LogFlowFunc(("VBoxDrvSolarisDetach\n"));
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424 | switch (enmCmd)
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425 | {
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426 | case DDI_DETACH:
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427 | {
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428 | #ifndef USE_SESSION_HASH
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429 | ddi_remove_minor_node(pDip, NULL);
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430 | #else
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431 | int instance = ddi_get_instance(pDip);
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432 | vbox_devstate_t *pState = ddi_get_soft_state(g_pVBoxDrvSolarisState, instance);
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433 | ddi_remove_minor_node(pDip, NULL);
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434 | ddi_soft_state_free(g_pVBoxDrvSolarisState, instance);
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435 | #endif
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436 | ddi_prop_remove_all(pDip);
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437 | return DDI_SUCCESS;
|
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438 | }
|
---|
439 |
|
---|
440 | case DDI_SUSPEND:
|
---|
441 | {
|
---|
442 | #if 0
|
---|
443 | RTSemFastMutexRequest(g_DevExt.mtxGip);
|
---|
444 | if (g_DevExt.pGipTimer && g_DevExt.cGipUsers > 0)
|
---|
445 | RTTimerStop(g_DevExt.pGipTimer);
|
---|
446 |
|
---|
447 | RTSemFastMutexRelease(g_DevExt.mtxGip);
|
---|
448 | #endif
|
---|
449 | RTPowerSignalEvent(RTPOWEREVENT_SUSPEND);
|
---|
450 | LogFlow(("vboxdrv: Falling to suspend mode.\n"));
|
---|
451 | return DDI_SUCCESS;
|
---|
452 |
|
---|
453 | }
|
---|
454 |
|
---|
455 | default:
|
---|
456 | return DDI_FAILURE;
|
---|
457 | }
|
---|
458 | }
|
---|
459 |
|
---|
460 |
|
---|
461 | /**
|
---|
462 | * Quiesce not-needed entry point, as Solaris 10 doesn't have any
|
---|
463 | * ddi_quiesce_not_needed() function.
|
---|
464 | *
|
---|
465 | * @param pDip The module structure instance.
|
---|
466 | *
|
---|
467 | * @return corresponding solaris error code.
|
---|
468 | */
|
---|
469 | static int VBoxDrvSolarisQuiesceNotNeeded(dev_info_t *pDip)
|
---|
470 | {
|
---|
471 | return DDI_SUCCESS;
|
---|
472 | }
|
---|
473 |
|
---|
474 |
|
---|
475 | /**
|
---|
476 | * open() worker.
|
---|
477 | */
|
---|
478 | static int VBoxDrvSolarisOpen(dev_t *pDev, int fFlag, int fType, cred_t *pCred)
|
---|
479 | {
|
---|
480 | const bool fUnrestricted = getminor(*pDev) == 0;
|
---|
481 | PSUPDRVSESSION pSession;
|
---|
482 | int rc;
|
---|
483 |
|
---|
484 | LogFlowFunc(("VBoxDrvSolarisOpen: pDev=%p:%#x\n", pDev, *pDev));
|
---|
485 |
|
---|
486 | /*
|
---|
487 | * Validate input
|
---|
488 | */
|
---|
489 | if ( (getminor(*pDev) != 0 && getminor(*pDev) != 1)
|
---|
490 | || fType != OTYP_CHR)
|
---|
491 | return EINVAL; /* See mmopen for precedent. */
|
---|
492 |
|
---|
493 | #ifndef USE_SESSION_HASH
|
---|
494 | /*
|
---|
495 | * Locate a new device open instance.
|
---|
496 | *
|
---|
497 | * For each open call we'll allocate an item in the soft state of the device.
|
---|
498 | * The item index is stored in the dev_t. I hope this is ok...
|
---|
499 | */
|
---|
500 | vbox_devstate_t *pState = NULL;
|
---|
501 | unsigned iOpenInstance;
|
---|
502 | for (iOpenInstance = 0; iOpenInstance < 4096; iOpenInstance++)
|
---|
503 | {
|
---|
504 | if ( !ddi_get_soft_state(g_pVBoxDrvSolarisState, iOpenInstance) /* faster */
|
---|
505 | && ddi_soft_state_zalloc(g_pVBoxDrvSolarisState, iOpenInstance) == DDI_SUCCESS)
|
---|
506 | {
|
---|
507 | pState = ddi_get_soft_state(g_pVBoxDrvSolarisState, iOpenInstance);
|
---|
508 | break;
|
---|
509 | }
|
---|
510 | }
|
---|
511 | if (!pState)
|
---|
512 | {
|
---|
513 | LogRel(("VBoxDrvSolarisOpen: too many open instances.\n"));
|
---|
514 | return ENXIO;
|
---|
515 | }
|
---|
516 |
|
---|
517 | /*
|
---|
518 | * Create a new session.
|
---|
519 | */
|
---|
520 | rc = supdrvCreateSession(&g_DevExt, true /* fUser */, fUnrestricted, &pSession);
|
---|
521 | if (RT_SUCCESS(rc))
|
---|
522 | {
|
---|
523 | pSession->Uid = crgetruid(pCred);
|
---|
524 | pSession->Gid = crgetrgid(pCred);
|
---|
525 |
|
---|
526 | pState->pSession = pSession;
|
---|
527 | *pDev = makedevice(getmajor(*pDev), iOpenInstance);
|
---|
528 | LogFlow(("VBoxDrvSolarisOpen: Dev=%#x pSession=%p pid=%d r0proc=%p thread=%p\n",
|
---|
529 | *pDev, pSession, RTProcSelf(), RTR0ProcHandleSelf(), RTThreadNativeSelf() ));
|
---|
530 | return 0;
|
---|
531 | }
|
---|
532 |
|
---|
533 | /* failed - clean up */
|
---|
534 | ddi_soft_state_free(g_pVBoxDrvSolarisState, iOpenInstance);
|
---|
535 |
|
---|
536 | #else
|
---|
537 | /*
|
---|
538 | * Create a new session.
|
---|
539 | * Sessions in Solaris driver are mostly useless. It's however needed
|
---|
540 | * in VBoxDrvSolarisIOCtlSlow() while calling supdrvIOCtl()
|
---|
541 | */
|
---|
542 | rc = supdrvCreateSession(&g_DevExt, true /* fUser */, fUnrestricted, &pSession);
|
---|
543 | if (RT_SUCCESS(rc))
|
---|
544 | {
|
---|
545 | unsigned iHash;
|
---|
546 |
|
---|
547 | pSession->Uid = crgetruid(pCred);
|
---|
548 | pSession->Gid = crgetrgid(pCred);
|
---|
549 |
|
---|
550 | /*
|
---|
551 | * Insert it into the hash table.
|
---|
552 | */
|
---|
553 | # error "Only one entry per process!"
|
---|
554 | iHash = SESSION_HASH(pSession->Process);
|
---|
555 | RTSpinlockAcquire(g_Spinlock);
|
---|
556 | pSession->pNextHash = g_apSessionHashTab[iHash];
|
---|
557 | g_apSessionHashTab[iHash] = pSession;
|
---|
558 | RTSpinlockRelease(g_Spinlock);
|
---|
559 | LogFlow(("VBoxDrvSolarisOpen success\n"));
|
---|
560 | }
|
---|
561 |
|
---|
562 | int instance;
|
---|
563 | for (instance = 0; instance < DEVICE_MAXINSTANCES; instance++)
|
---|
564 | {
|
---|
565 | vbox_devstate_t *pState = ddi_get_soft_state(g_pVBoxDrvSolarisState, instance);
|
---|
566 | if (pState)
|
---|
567 | break;
|
---|
568 | }
|
---|
569 |
|
---|
570 | if (instance >= DEVICE_MAXINSTANCES)
|
---|
571 | {
|
---|
572 | LogRel(("VBoxDrvSolarisOpen: All instances exhausted\n"));
|
---|
573 | return ENXIO;
|
---|
574 | }
|
---|
575 |
|
---|
576 | *pDev = makedevice(getmajor(*pDev), instance);
|
---|
577 | #endif
|
---|
578 |
|
---|
579 | return VBoxSupDrvErr2SolarisErr(rc);
|
---|
580 | }
|
---|
581 |
|
---|
582 |
|
---|
583 | static int VBoxDrvSolarisClose(dev_t Dev, int flag, int otyp, cred_t *cred)
|
---|
584 | {
|
---|
585 | LogFlowFunc(("VBoxDrvSolarisClose: Dev=%#x\n", Dev));
|
---|
586 |
|
---|
587 | #ifndef USE_SESSION_HASH
|
---|
588 | /*
|
---|
589 | * Get the session and free the soft state item.
|
---|
590 | */
|
---|
591 | vbox_devstate_t *pState = ddi_get_soft_state(g_pVBoxDrvSolarisState, getminor(Dev));
|
---|
592 | if (!pState)
|
---|
593 | {
|
---|
594 | LogRel(("VBoxDrvSolarisClose: no state data for %#x (%d)\n", Dev, getminor(Dev)));
|
---|
595 | return EFAULT;
|
---|
596 | }
|
---|
597 |
|
---|
598 | PSUPDRVSESSION pSession = pState->pSession;
|
---|
599 | pState->pSession = NULL;
|
---|
600 | ddi_soft_state_free(g_pVBoxDrvSolarisState, getminor(Dev));
|
---|
601 |
|
---|
602 | if (!pSession)
|
---|
603 | {
|
---|
604 | LogRel(("VBoxDrvSolarisClose: no session in state data for %#x (%d)\n", Dev, getminor(Dev)));
|
---|
605 | return EFAULT;
|
---|
606 | }
|
---|
607 | LogFlow(("VBoxDrvSolarisClose: Dev=%#x pSession=%p pid=%d r0proc=%p thread=%p\n",
|
---|
608 | Dev, pSession, RTProcSelf(), RTR0ProcHandleSelf(), RTThreadNativeSelf() ));
|
---|
609 |
|
---|
610 | #else
|
---|
611 | const RTPROCESS Process = RTProcSelf();
|
---|
612 | const unsigned iHash = SESSION_HASH(Process);
|
---|
613 | PSUPDRVSESSION pSession;
|
---|
614 |
|
---|
615 | /*
|
---|
616 | * Remove from the hash table.
|
---|
617 | */
|
---|
618 | RTSpinlockAcquire(g_Spinlock);
|
---|
619 | pSession = g_apSessionHashTab[iHash];
|
---|
620 | if (pSession)
|
---|
621 | {
|
---|
622 | if (pSession->Process == Process)
|
---|
623 | {
|
---|
624 | g_apSessionHashTab[iHash] = pSession->pNextHash;
|
---|
625 | pSession->pNextHash = NULL;
|
---|
626 | }
|
---|
627 | else
|
---|
628 | {
|
---|
629 | PSUPDRVSESSION pPrev = pSession;
|
---|
630 | pSession = pSession->pNextHash;
|
---|
631 | while (pSession)
|
---|
632 | {
|
---|
633 | if (pSession->Process == Process)
|
---|
634 | {
|
---|
635 | pPrev->pNextHash = pSession->pNextHash;
|
---|
636 | pSession->pNextHash = NULL;
|
---|
637 | break;
|
---|
638 | }
|
---|
639 |
|
---|
640 | /* next */
|
---|
641 | pPrev = pSession;
|
---|
642 | pSession = pSession->pNextHash;
|
---|
643 | }
|
---|
644 | }
|
---|
645 | }
|
---|
646 | RTSpinlockRelease(g_Spinlock);
|
---|
647 | if (!pSession)
|
---|
648 | {
|
---|
649 | LogRel(("VBoxDrvSolarisClose: WHAT?!? pSession == NULL! This must be a mistake... pid=%d (close)\n", (int)Process));
|
---|
650 | return EFAULT;
|
---|
651 | }
|
---|
652 | #endif
|
---|
653 |
|
---|
654 | /*
|
---|
655 | * Close the session.
|
---|
656 | */
|
---|
657 | supdrvSessionRelease(pSession);
|
---|
658 | return 0;
|
---|
659 | }
|
---|
660 |
|
---|
661 |
|
---|
662 | static int VBoxDrvSolarisRead(dev_t Dev, struct uio *pUio, cred_t *pCred)
|
---|
663 | {
|
---|
664 | LogFlowFunc(("VBoxDrvSolarisRead"));
|
---|
665 | return 0;
|
---|
666 | }
|
---|
667 |
|
---|
668 |
|
---|
669 | static int VBoxDrvSolarisWrite(dev_t Dev, struct uio *pUio, cred_t *pCred)
|
---|
670 | {
|
---|
671 | LogFlowFunc(("VBoxDrvSolarisWrite"));
|
---|
672 | return 0;
|
---|
673 | }
|
---|
674 |
|
---|
675 |
|
---|
676 | /**
|
---|
677 | * Driver ioctl, an alternate entry point for this character driver.
|
---|
678 | *
|
---|
679 | * @param Dev Device number
|
---|
680 | * @param iCmd Operation identifier
|
---|
681 | * @param pArgs Arguments from user to driver
|
---|
682 | * @param Mode Information bitfield (read/write, address space etc.)
|
---|
683 | * @param pCred User credentials
|
---|
684 | * @param pVal Return value for calling process.
|
---|
685 | *
|
---|
686 | * @return corresponding solaris error code.
|
---|
687 | */
|
---|
688 | static int VBoxDrvSolarisIOCtl(dev_t Dev, int iCmd, intptr_t pArgs, int Mode, cred_t *pCred, int *pVal)
|
---|
689 | {
|
---|
690 | #ifndef USE_SESSION_HASH
|
---|
691 | /*
|
---|
692 | * Get the session from the soft state item.
|
---|
693 | */
|
---|
694 | vbox_devstate_t *pState = ddi_get_soft_state(g_pVBoxDrvSolarisState, getminor(Dev));
|
---|
695 | if (!pState)
|
---|
696 | {
|
---|
697 | LogRel(("VBoxDrvSolarisIOCtl: no state data for %#x (%d)\n", Dev, getminor(Dev)));
|
---|
698 | return EINVAL;
|
---|
699 | }
|
---|
700 |
|
---|
701 | PSUPDRVSESSION pSession = pState->pSession;
|
---|
702 | if (!pSession)
|
---|
703 | {
|
---|
704 | LogRel(("VBoxDrvSolarisIOCtl: no session in state data for %#x (%d)\n", Dev, getminor(Dev)));
|
---|
705 | return DDI_SUCCESS;
|
---|
706 | }
|
---|
707 | #else
|
---|
708 | const RTPROCESS Process = RTProcSelf();
|
---|
709 | const unsigned iHash = SESSION_HASH(Process);
|
---|
710 | PSUPDRVSESSION pSession;
|
---|
711 | const bool fUnrestricted = getminor(Dev) == 0;
|
---|
712 |
|
---|
713 | /*
|
---|
714 | * Find the session.
|
---|
715 | */
|
---|
716 | RTSpinlockAcquire(g_Spinlock);
|
---|
717 | pSession = g_apSessionHashTab[iHash];
|
---|
718 | while (pSession && pSession->Process != Process && pSession->fUnrestricted == fUnrestricted);
|
---|
719 | pSession = pSession->pNextHash;
|
---|
720 | RTSpinlockRelease(g_Spinlock);
|
---|
721 | if (!pSession)
|
---|
722 | {
|
---|
723 | LogRel(("VBoxSupDrvIOCtl: WHAT?!? pSession == NULL! This must be a mistake... pid=%d iCmd=%#x Dev=%#x\n",
|
---|
724 | (int)Process, iCmd, (int)Dev));
|
---|
725 | return EINVAL;
|
---|
726 | }
|
---|
727 | #endif
|
---|
728 |
|
---|
729 | /*
|
---|
730 | * Deal with the two high-speed IOCtl that takes it's arguments from
|
---|
731 | * the session and iCmd, and only returns a VBox status code.
|
---|
732 | */
|
---|
733 | AssertCompile((SUP_IOCTL_FAST_DO_FIRST & 0xff) == (SUP_IOCTL_FLAG | 64));
|
---|
734 | if ( (unsigned)(iCmd - SUP_IOCTL_FAST_DO_FIRST) < (unsigned)32
|
---|
735 | && pSession->fUnrestricted)
|
---|
736 | {
|
---|
737 | *pVal = supdrvIOCtlFast(iCmd - SUP_IOCTL_FAST_DO_FIRST, pArgs, &g_DevExt, pSession);
|
---|
738 | return 0;
|
---|
739 | }
|
---|
740 |
|
---|
741 | return VBoxDrvSolarisIOCtlSlow(pSession, iCmd, Mode, pArgs);
|
---|
742 | }
|
---|
743 |
|
---|
744 |
|
---|
745 | /** @def IOCPARM_LEN
|
---|
746 | * Gets the length from the ioctl number.
|
---|
747 | * This is normally defined by sys/ioccom.h on BSD systems...
|
---|
748 | */
|
---|
749 | #ifndef IOCPARM_LEN
|
---|
750 | # define IOCPARM_LEN(x) ( ((x) >> 16) & IOCPARM_MASK )
|
---|
751 | #endif
|
---|
752 |
|
---|
753 |
|
---|
754 | /**
|
---|
755 | * Worker for VBoxSupDrvIOCtl that takes the slow IOCtl functions.
|
---|
756 | *
|
---|
757 | * @returns Solaris errno.
|
---|
758 | *
|
---|
759 | * @param pSession The session.
|
---|
760 | * @param iCmd The IOCtl command.
|
---|
761 | * @param Mode Information bitfield (for specifying ownership of data)
|
---|
762 | * @param iArg User space address of the request buffer.
|
---|
763 | */
|
---|
764 | static int VBoxDrvSolarisIOCtlSlow(PSUPDRVSESSION pSession, int iCmd, int Mode, intptr_t iArg)
|
---|
765 | {
|
---|
766 | int rc;
|
---|
767 | uint32_t cbBuf = 0;
|
---|
768 | union
|
---|
769 | {
|
---|
770 | SUPREQHDR Hdr;
|
---|
771 | uint8_t abBuf[64];
|
---|
772 | } StackBuf;
|
---|
773 | PSUPREQHDR pHdr;
|
---|
774 |
|
---|
775 |
|
---|
776 | /*
|
---|
777 | * Read the header.
|
---|
778 | */
|
---|
779 | if (RT_UNLIKELY(IOCPARM_LEN(iCmd) != sizeof(StackBuf.Hdr)))
|
---|
780 | {
|
---|
781 | LogRel(("VBoxDrvSolarisIOCtlSlow: iCmd=%#x len %d expected %d\n", iCmd, IOCPARM_LEN(iCmd), sizeof(StackBuf.Hdr)));
|
---|
782 | return EINVAL;
|
---|
783 | }
|
---|
784 | rc = ddi_copyin((void *)iArg, &StackBuf.Hdr, sizeof(StackBuf.Hdr), Mode);
|
---|
785 | if (RT_UNLIKELY(rc))
|
---|
786 | {
|
---|
787 | LogRel(("VBoxDrvSolarisIOCtlSlow: ddi_copyin(,%#lx,) failed; iCmd=%#x. rc=%d\n", iArg, iCmd, rc));
|
---|
788 | return EFAULT;
|
---|
789 | }
|
---|
790 | if (RT_UNLIKELY((StackBuf.Hdr.fFlags & SUPREQHDR_FLAGS_MAGIC_MASK) != SUPREQHDR_FLAGS_MAGIC))
|
---|
791 | {
|
---|
792 | LogRel(("VBoxDrvSolarisIOCtlSlow: bad header magic %#x; iCmd=%#x\n", StackBuf.Hdr.fFlags & SUPREQHDR_FLAGS_MAGIC_MASK, iCmd));
|
---|
793 | return EINVAL;
|
---|
794 | }
|
---|
795 | cbBuf = RT_MAX(StackBuf.Hdr.cbIn, StackBuf.Hdr.cbOut);
|
---|
796 | if (RT_UNLIKELY( StackBuf.Hdr.cbIn < sizeof(StackBuf.Hdr)
|
---|
797 | || StackBuf.Hdr.cbOut < sizeof(StackBuf.Hdr)
|
---|
798 | || cbBuf > _1M*16))
|
---|
799 | {
|
---|
800 | LogRel(("VBoxDrvSolarisIOCtlSlow: max(%#x,%#x); iCmd=%#x\n", StackBuf.Hdr.cbIn, StackBuf.Hdr.cbOut, iCmd));
|
---|
801 | return EINVAL;
|
---|
802 | }
|
---|
803 |
|
---|
804 | /*
|
---|
805 | * Buffer the request.
|
---|
806 | */
|
---|
807 | if (cbBuf <= sizeof(StackBuf))
|
---|
808 | pHdr = &StackBuf.Hdr;
|
---|
809 | else
|
---|
810 | {
|
---|
811 | pHdr = RTMemTmpAlloc(cbBuf);
|
---|
812 | if (RT_UNLIKELY(!pHdr))
|
---|
813 | {
|
---|
814 | LogRel(("VBoxDrvSolarisIOCtlSlow: failed to allocate buffer of %d bytes for iCmd=%#x.\n", cbBuf, iCmd));
|
---|
815 | return ENOMEM;
|
---|
816 | }
|
---|
817 | }
|
---|
818 | rc = ddi_copyin((void *)iArg, pHdr, cbBuf, Mode);
|
---|
819 | if (RT_UNLIKELY(rc))
|
---|
820 | {
|
---|
821 | LogRel(("VBoxDrvSolarisIOCtlSlow: copy_from_user(,%#lx, %#x) failed; iCmd=%#x. rc=%d\n", iArg, cbBuf, iCmd, rc));
|
---|
822 | if (pHdr != &StackBuf.Hdr)
|
---|
823 | RTMemFree(pHdr);
|
---|
824 | return EFAULT;
|
---|
825 | }
|
---|
826 |
|
---|
827 | /*
|
---|
828 | * Process the IOCtl.
|
---|
829 | */
|
---|
830 | rc = supdrvIOCtl(iCmd, &g_DevExt, pSession, pHdr, cbBuf);
|
---|
831 |
|
---|
832 | /*
|
---|
833 | * Copy ioctl data and output buffer back to user space.
|
---|
834 | */
|
---|
835 | if (RT_LIKELY(!rc))
|
---|
836 | {
|
---|
837 | uint32_t cbOut = pHdr->cbOut;
|
---|
838 | if (RT_UNLIKELY(cbOut > cbBuf))
|
---|
839 | {
|
---|
840 | LogRel(("VBoxDrvSolarisIOCtlSlow: too much output! %#x > %#x; iCmd=%#x!\n", cbOut, cbBuf, iCmd));
|
---|
841 | cbOut = cbBuf;
|
---|
842 | }
|
---|
843 | rc = ddi_copyout(pHdr, (void *)iArg, cbOut, Mode);
|
---|
844 | if (RT_UNLIKELY(rc != 0))
|
---|
845 | {
|
---|
846 | /* this is really bad */
|
---|
847 | LogRel(("VBoxDrvSolarisIOCtlSlow: ddi_copyout(,%p,%d) failed. rc=%d\n", (void *)iArg, cbBuf, rc));
|
---|
848 | rc = EFAULT;
|
---|
849 | }
|
---|
850 | }
|
---|
851 | else
|
---|
852 | rc = EINVAL;
|
---|
853 |
|
---|
854 | if (pHdr != &StackBuf.Hdr)
|
---|
855 | RTMemTmpFree(pHdr);
|
---|
856 | return rc;
|
---|
857 | }
|
---|
858 |
|
---|
859 |
|
---|
860 | /**
|
---|
861 | * The SUPDRV IDC entry point.
|
---|
862 | *
|
---|
863 | * @returns VBox status code, see supdrvIDC.
|
---|
864 | * @param uReq The request code.
|
---|
865 | * @param pReq The request.
|
---|
866 | */
|
---|
867 | int VBOXCALL SUPDrvSolarisIDC(uint32_t uReq, PSUPDRVIDCREQHDR pReq)
|
---|
868 | {
|
---|
869 | PSUPDRVSESSION pSession;
|
---|
870 |
|
---|
871 | /*
|
---|
872 | * Some quick validations.
|
---|
873 | */
|
---|
874 | if (RT_UNLIKELY(!RT_VALID_PTR(pReq)))
|
---|
875 | return VERR_INVALID_POINTER;
|
---|
876 |
|
---|
877 | pSession = pReq->pSession;
|
---|
878 | if (pSession)
|
---|
879 | {
|
---|
880 | if (RT_UNLIKELY(!RT_VALID_PTR(pSession)))
|
---|
881 | return VERR_INVALID_PARAMETER;
|
---|
882 | if (RT_UNLIKELY(pSession->pDevExt != &g_DevExt))
|
---|
883 | return VERR_INVALID_PARAMETER;
|
---|
884 | }
|
---|
885 | else if (RT_UNLIKELY(uReq != SUPDRV_IDC_REQ_CONNECT))
|
---|
886 | return VERR_INVALID_PARAMETER;
|
---|
887 |
|
---|
888 | /*
|
---|
889 | * Do the job.
|
---|
890 | */
|
---|
891 | return supdrvIDC(uReq, &g_DevExt, pSession, pReq);
|
---|
892 | }
|
---|
893 |
|
---|
894 |
|
---|
895 | /**
|
---|
896 | * Converts an supdrv error code to a solaris error code.
|
---|
897 | *
|
---|
898 | * @returns corresponding solaris error code.
|
---|
899 | * @param rc IPRT status code.
|
---|
900 | */
|
---|
901 | static int VBoxSupDrvErr2SolarisErr(int rc)
|
---|
902 | {
|
---|
903 | switch (rc)
|
---|
904 | {
|
---|
905 | case VINF_SUCCESS: return 0;
|
---|
906 | case VERR_GENERAL_FAILURE: return EACCES;
|
---|
907 | case VERR_INVALID_PARAMETER: return EINVAL;
|
---|
908 | case VERR_INVALID_MAGIC: return EILSEQ;
|
---|
909 | case VERR_INVALID_HANDLE: return ENXIO;
|
---|
910 | case VERR_INVALID_POINTER: return EFAULT;
|
---|
911 | case VERR_LOCK_FAILED: return ENOLCK;
|
---|
912 | case VERR_ALREADY_LOADED: return EEXIST;
|
---|
913 | case VERR_PERMISSION_DENIED: return EPERM;
|
---|
914 | case VERR_VERSION_MISMATCH: return ENOSYS;
|
---|
915 | }
|
---|
916 |
|
---|
917 | return EPERM;
|
---|
918 | }
|
---|
919 |
|
---|
920 |
|
---|
921 | void VBOXCALL supdrvOSCleanupSession(PSUPDRVDEVEXT pDevExt, PSUPDRVSESSION pSession)
|
---|
922 | {
|
---|
923 | NOREF(pDevExt);
|
---|
924 | NOREF(pSession);
|
---|
925 | }
|
---|
926 |
|
---|
927 |
|
---|
928 | void VBOXCALL supdrvOSSessionHashTabInserted(PSUPDRVDEVEXT pDevExt, PSUPDRVSESSION pSession, void *pvUser)
|
---|
929 | {
|
---|
930 | NOREF(pDevExt); NOREF(pSession); NOREF(pvUser);
|
---|
931 | }
|
---|
932 |
|
---|
933 |
|
---|
934 | void VBOXCALL supdrvOSSessionHashTabRemoved(PSUPDRVDEVEXT pDevExt, PSUPDRVSESSION pSession, void *pvUser)
|
---|
935 | {
|
---|
936 | NOREF(pDevExt); NOREF(pSession); NOREF(pvUser);
|
---|
937 | }
|
---|
938 |
|
---|
939 |
|
---|
940 | /**
|
---|
941 | * Initializes any OS specific object creator fields.
|
---|
942 | */
|
---|
943 | void VBOXCALL supdrvOSObjInitCreator(PSUPDRVOBJ pObj, PSUPDRVSESSION pSession)
|
---|
944 | {
|
---|
945 | NOREF(pObj);
|
---|
946 | NOREF(pSession);
|
---|
947 | }
|
---|
948 |
|
---|
949 |
|
---|
950 | /**
|
---|
951 | * Checks if the session can access the object.
|
---|
952 | *
|
---|
953 | * @returns true if a decision has been made.
|
---|
954 | * @returns false if the default access policy should be applied.
|
---|
955 | *
|
---|
956 | * @param pObj The object in question.
|
---|
957 | * @param pSession The session wanting to access the object.
|
---|
958 | * @param pszObjName The object name, can be NULL.
|
---|
959 | * @param prc Where to store the result when returning true.
|
---|
960 | */
|
---|
961 | bool VBOXCALL supdrvOSObjCanAccess(PSUPDRVOBJ pObj, PSUPDRVSESSION pSession, const char *pszObjName, int *prc)
|
---|
962 | {
|
---|
963 | NOREF(pObj);
|
---|
964 | NOREF(pSession);
|
---|
965 | NOREF(pszObjName);
|
---|
966 | NOREF(prc);
|
---|
967 | return false;
|
---|
968 | }
|
---|
969 |
|
---|
970 |
|
---|
971 | bool VBOXCALL supdrvOSGetForcedAsyncTscMode(PSUPDRVDEVEXT pDevExt)
|
---|
972 | {
|
---|
973 | return false;
|
---|
974 | }
|
---|
975 |
|
---|
976 |
|
---|
977 | bool VBOXCALL supdrvOSAreCpusOfflinedOnSuspend(void)
|
---|
978 | {
|
---|
979 | /** @todo verify this. */
|
---|
980 | return false;
|
---|
981 | }
|
---|
982 |
|
---|
983 |
|
---|
984 | bool VBOXCALL supdrvOSAreTscDeltasInSync(void)
|
---|
985 | {
|
---|
986 | return false;
|
---|
987 | }
|
---|
988 |
|
---|
989 |
|
---|
990 | #if defined(VBOX_WITH_NATIVE_SOLARIS_LOADING) \
|
---|
991 | && !defined(VBOX_WITHOUT_NATIVE_R0_LOADER)
|
---|
992 |
|
---|
993 | int VBOXCALL supdrvOSLdrOpen(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage, const char *pszFilename)
|
---|
994 | {
|
---|
995 | pImage->idSolMod = -1;
|
---|
996 | pImage->pSolModCtl = NULL;
|
---|
997 |
|
---|
998 | # if 1 /* This approach requires _init/_fini/_info stubs. */
|
---|
999 | /*
|
---|
1000 | * Construct a filename that escapes the module search path and let us
|
---|
1001 | * specify a root path.
|
---|
1002 | */
|
---|
1003 | /** @todo change this to use modctl and use_path=0. */
|
---|
1004 | const char *pszName = RTPathFilename(pszFilename);
|
---|
1005 | AssertReturn(pszName, VERR_INVALID_PARAMETER);
|
---|
1006 | char *pszSubDir = RTStrAPrintf2("../../../../../../../../../../..%.*s", pszName - pszFilename - 1, pszFilename);
|
---|
1007 | if (!pszSubDir)
|
---|
1008 | return VERR_NO_STR_MEMORY;
|
---|
1009 | int idMod = modload(pszSubDir, pszName);
|
---|
1010 | if (idMod == -1)
|
---|
1011 | {
|
---|
1012 | /* This is an horrible hack for avoiding the mod-present check in
|
---|
1013 | modrload on S10. Fortunately, nobody else seems to be using that
|
---|
1014 | variable... */
|
---|
1015 | extern int swaploaded;
|
---|
1016 | int saved_swaploaded = swaploaded;
|
---|
1017 | swaploaded = 0;
|
---|
1018 | idMod = modload(pszSubDir, pszName);
|
---|
1019 | swaploaded = saved_swaploaded;
|
---|
1020 | }
|
---|
1021 | RTStrFree(pszSubDir);
|
---|
1022 | if (idMod == -1)
|
---|
1023 | {
|
---|
1024 | LogRel(("modload(,%s): failed, could be anything...\n", pszFilename));
|
---|
1025 | return VERR_LDR_GENERAL_FAILURE;
|
---|
1026 | }
|
---|
1027 |
|
---|
1028 | modctl_t *pModCtl = mod_hold_by_id(idMod);
|
---|
1029 | if (!pModCtl)
|
---|
1030 | {
|
---|
1031 | LogRel(("mod_hold_by_id(,%s): failed, weird.\n", pszFilename));
|
---|
1032 | /* No point in calling modunload. */
|
---|
1033 | return VERR_LDR_GENERAL_FAILURE;
|
---|
1034 | }
|
---|
1035 | pModCtl->mod_loadflags |= MOD_NOAUTOUNLOAD | MOD_NOUNLOAD; /* paranoia */
|
---|
1036 |
|
---|
1037 | # else
|
---|
1038 |
|
---|
1039 | const int idMod = -1;
|
---|
1040 | modctl_t *pModCtl = mod_hold_by_name(pszFilename);
|
---|
1041 | if (!pModCtl)
|
---|
1042 | {
|
---|
1043 | LogRel(("mod_hold_by_name failed for '%s'\n", pszFilename));
|
---|
1044 | return VERR_LDR_GENERAL_FAILURE;
|
---|
1045 | }
|
---|
1046 |
|
---|
1047 | int rc = kobj_load_module(pModCtl, 0 /*use_path*/);
|
---|
1048 | if (rc != 0)
|
---|
1049 | {
|
---|
1050 | LogRel(("kobj_load_module failed with rc=%d for '%s'\n", rc, pszFilename));
|
---|
1051 | mod_release_mod(pModCtl);
|
---|
1052 | return RTErrConvertFromErrno(rc);
|
---|
1053 | }
|
---|
1054 | # endif
|
---|
1055 |
|
---|
1056 | /*
|
---|
1057 | * Get the module info.
|
---|
1058 | *
|
---|
1059 | * Note! The text section is actually not at mi_base, but and the next
|
---|
1060 | * alignment boundrary and there seems to be no easy way of
|
---|
1061 | * getting at this address. This sabotages supdrvOSLdrLoad.
|
---|
1062 | * Bastards!
|
---|
1063 | */
|
---|
1064 | struct modinfo ModInfo;
|
---|
1065 | kobj_getmodinfo(pModCtl->mod_mp, &ModInfo);
|
---|
1066 | pImage->pvImage = ModInfo.mi_base;
|
---|
1067 | pImage->idSolMod = idMod;
|
---|
1068 | pImage->pSolModCtl = pModCtl;
|
---|
1069 |
|
---|
1070 | mod_release_mod(pImage->pSolModCtl);
|
---|
1071 | LogRel(("supdrvOSLdrOpen: succeeded for '%s' (mi_base=%p mi_size=%#x), id=%d ctl=%p\n",
|
---|
1072 | pszFilename, ModInfo.mi_base, ModInfo.mi_size, idMod, pModCtl));
|
---|
1073 | return VINF_SUCCESS;
|
---|
1074 | }
|
---|
1075 |
|
---|
1076 |
|
---|
1077 | int VBOXCALL supdrvOSLdrValidatePointer(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage, void *pv,
|
---|
1078 | const uint8_t *pbImageBits, const char *pszSymbol)
|
---|
1079 | {
|
---|
1080 | NOREF(pDevExt); NOREF(pImage); NOREF(pv); NOREF(pbImageBits); NOREF(pszSymbol);
|
---|
1081 | if (kobj_addrcheck(pImage->pSolModCtl->mod_mp, pv))
|
---|
1082 | return VERR_INVALID_PARAMETER;
|
---|
1083 | return VINF_SUCCESS;
|
---|
1084 | }
|
---|
1085 |
|
---|
1086 |
|
---|
1087 | /**
|
---|
1088 | * Resolves a module entry point address.
|
---|
1089 | *
|
---|
1090 | * @returns VBox status code.
|
---|
1091 | * @param pImage The image.
|
---|
1092 | * @param pszSymbol The symbol name.
|
---|
1093 | * @param ppvValue Where to store the value. On input this holds
|
---|
1094 | * the symbol value SUPLib calculated.
|
---|
1095 | */
|
---|
1096 | static int supdrvSolLdrResolvEp(PSUPDRVLDRIMAGE pImage, const char *pszSymbol, void **ppvValue)
|
---|
1097 | {
|
---|
1098 | /* Don't try resolve symbols which, according to SUPLib, aren't there. */
|
---|
1099 | if (!*ppvValue)
|
---|
1100 | return VINF_SUCCESS;
|
---|
1101 |
|
---|
1102 | uintptr_t uValue = modlookup_by_modctl(pImage->pSolModCtl, pszSymbol);
|
---|
1103 | if (!uValue)
|
---|
1104 | {
|
---|
1105 | LogRel(("supdrvOSLdrLoad on %s failed to resolve %s\n", pImage->szName, pszSymbol));
|
---|
1106 | return VERR_SYMBOL_NOT_FOUND;
|
---|
1107 | }
|
---|
1108 | *ppvValue = (void *)uValue;
|
---|
1109 | return VINF_SUCCESS;
|
---|
1110 | }
|
---|
1111 |
|
---|
1112 |
|
---|
1113 | int VBOXCALL supdrvOSLdrLoad(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage, const uint8_t *pbImageBits, PSUPLDRLOAD pReq)
|
---|
1114 | {
|
---|
1115 | #if 0 /* This doesn't work because of text alignment. */
|
---|
1116 | /*
|
---|
1117 | * Comparing is very very difficult since text and data may be allocated
|
---|
1118 | * separately.
|
---|
1119 | */
|
---|
1120 | size_t cbCompare = RT_MIN(pImage->cbImageBits, 64);
|
---|
1121 | if (memcmp(pImage->pvImage, pbImageBits, cbCompare))
|
---|
1122 | {
|
---|
1123 | LogRel(("Image mismatch: %s (%p)\n", pImage->szName, pImage->pvImage));
|
---|
1124 | LogRel(("Native: %.*Rhxs\n", cbCompare, pImage->pvImage));
|
---|
1125 | LogRel(("SUPLib: %.*Rhxs\n", cbCompare, pbImageBits));
|
---|
1126 | return VERR_LDR_MISMATCH_NATIVE;
|
---|
1127 | }
|
---|
1128 | #endif
|
---|
1129 |
|
---|
1130 | /*
|
---|
1131 | * Get the exported symbol addresses.
|
---|
1132 | */
|
---|
1133 | int rc;
|
---|
1134 | modctl_t *pModCtl = mod_hold_by_id(pImage->idSolMod);
|
---|
1135 | if (pModCtl && pModCtl == pImage->pSolModCtl)
|
---|
1136 | {
|
---|
1137 | uint32_t iSym = pImage->cSymbols;
|
---|
1138 | while (iSym-- > 0)
|
---|
1139 | {
|
---|
1140 | const char *pszSymbol = &pImage->pachStrTab[pImage->paSymbols[iSym].offName];
|
---|
1141 | uintptr_t uValue = modlookup_by_modctl(pImage->pSolModCtl, pszSymbol);
|
---|
1142 | if (!uValue)
|
---|
1143 | {
|
---|
1144 | LogRel(("supdrvOSLdrLoad on %s failed to resolve the exported symbol: '%s'\n", pImage->szName, pszSymbol));
|
---|
1145 | break;
|
---|
1146 | }
|
---|
1147 | uintptr_t offSymbol = uValue - (uintptr_t)pImage->pvImage;
|
---|
1148 | pImage->paSymbols[iSym].offSymbol = offSymbol;
|
---|
1149 | if (pImage->paSymbols[iSym].offSymbol != (int32_t)offSymbol)
|
---|
1150 | {
|
---|
1151 | LogRel(("supdrvOSLdrLoad on %s symbol out of range: %p (%s) \n", pImage->szName, offSymbol, pszSymbol));
|
---|
1152 | break;
|
---|
1153 | }
|
---|
1154 | }
|
---|
1155 |
|
---|
1156 | rc = iSym == UINT32_MAX ? VINF_SUCCESS : VERR_LDR_GENERAL_FAILURE;
|
---|
1157 |
|
---|
1158 | /*
|
---|
1159 | * Get the standard module entry points.
|
---|
1160 | */
|
---|
1161 | if (RT_SUCCESS(rc))
|
---|
1162 | {
|
---|
1163 | rc = supdrvSolLdrResolvEp(pImage, "ModuleInit", (void **)&pImage->pfnModuleInit);
|
---|
1164 | if (RT_SUCCESS(rc))
|
---|
1165 | rc = supdrvSolLdrResolvEp(pImage, "ModuleTerm", (void **)&pImage->pfnModuleTerm);
|
---|
1166 |
|
---|
1167 | switch (pReq->u.In.eEPType)
|
---|
1168 | {
|
---|
1169 | case SUPLDRLOADEP_VMMR0:
|
---|
1170 | {
|
---|
1171 | if (RT_SUCCESS(rc))
|
---|
1172 | rc = supdrvSolLdrResolvEp(pImage, "VMMR0EntryFast", (void **)&pReq->u.In.EP.VMMR0.pvVMMR0EntryFast);
|
---|
1173 | if (RT_SUCCESS(rc))
|
---|
1174 | rc = supdrvSolLdrResolvEp(pImage, "VMMR0EntryEx", (void **)&pReq->u.In.EP.VMMR0.pvVMMR0EntryEx);
|
---|
1175 | break;
|
---|
1176 | }
|
---|
1177 |
|
---|
1178 | case SUPLDRLOADEP_SERVICE:
|
---|
1179 | {
|
---|
1180 | /** @todo we need the name of the entry point. */
|
---|
1181 | return VERR_NOT_SUPPORTED;
|
---|
1182 | }
|
---|
1183 | }
|
---|
1184 | }
|
---|
1185 |
|
---|
1186 | mod_release_mod(pImage->pSolModCtl);
|
---|
1187 | }
|
---|
1188 | else
|
---|
1189 | {
|
---|
1190 | LogRel(("mod_hold_by_id failed in supdrvOSLdrLoad on %s: %p\n", pImage->szName, pModCtl));
|
---|
1191 | rc = VERR_LDR_MISMATCH_NATIVE;
|
---|
1192 | }
|
---|
1193 | return rc;
|
---|
1194 | }
|
---|
1195 |
|
---|
1196 |
|
---|
1197 | void VBOXCALL supdrvOSLdrUnload(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage)
|
---|
1198 | {
|
---|
1199 | # if 1
|
---|
1200 | pImage->pSolModCtl->mod_loadflags &= ~MOD_NOUNLOAD;
|
---|
1201 | int rc = modunload(pImage->idSolMod);
|
---|
1202 | if (rc)
|
---|
1203 | LogRel(("modunload(%u (%s)) failed: %d\n", pImage->idSolMod, pImage->szName, rc));
|
---|
1204 | # else
|
---|
1205 | kobj_unload_module(pImage->pSolModCtl);
|
---|
1206 | # endif
|
---|
1207 | pImage->pSolModCtl = NULL;
|
---|
1208 | pImage->idSolMod = NULL;
|
---|
1209 | }
|
---|
1210 |
|
---|
1211 | #else /* !VBOX_WITH_NATIVE_SOLARIS_LOADING */
|
---|
1212 |
|
---|
1213 | int VBOXCALL supdrvOSLdrOpen(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage, const char *pszFilename)
|
---|
1214 | {
|
---|
1215 | NOREF(pDevExt); NOREF(pImage); NOREF(pszFilename);
|
---|
1216 | return VERR_NOT_SUPPORTED;
|
---|
1217 | }
|
---|
1218 |
|
---|
1219 |
|
---|
1220 | int VBOXCALL supdrvOSLdrValidatePointer(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage, void *pv,
|
---|
1221 | const uint8_t *pbImageBits, const char *pszSymbol)
|
---|
1222 | {
|
---|
1223 | NOREF(pDevExt); NOREF(pImage); NOREF(pv); NOREF(pbImageBits); NOREF(pszSymbol);
|
---|
1224 | return VERR_NOT_SUPPORTED;
|
---|
1225 | }
|
---|
1226 |
|
---|
1227 |
|
---|
1228 | int VBOXCALL supdrvOSLdrLoad(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage, const uint8_t *pbImageBits, PSUPLDRLOAD pReq)
|
---|
1229 | {
|
---|
1230 | NOREF(pDevExt); NOREF(pImage); NOREF(pbImageBits); NOREF(pReq);
|
---|
1231 | return VERR_NOT_SUPPORTED;
|
---|
1232 | }
|
---|
1233 |
|
---|
1234 |
|
---|
1235 | void VBOXCALL supdrvOSLdrUnload(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage)
|
---|
1236 | {
|
---|
1237 | NOREF(pDevExt); NOREF(pImage);
|
---|
1238 | }
|
---|
1239 |
|
---|
1240 | #endif /* !VBOX_WITH_NATIVE_SOLARIS_LOADING */
|
---|
1241 |
|
---|
1242 |
|
---|
1243 | void VBOXCALL supdrvOSLdrNotifyOpened(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage, const char *pszFilename)
|
---|
1244 | {
|
---|
1245 | NOREF(pDevExt); NOREF(pImage); NOREF(pszFilename);
|
---|
1246 | }
|
---|
1247 |
|
---|
1248 |
|
---|
1249 | void VBOXCALL supdrvOSLdrNotifyUnloaded(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage)
|
---|
1250 | {
|
---|
1251 | NOREF(pDevExt); NOREF(pImage);
|
---|
1252 | }
|
---|
1253 |
|
---|
1254 |
|
---|
1255 | int VBOXCALL supdrvOSLdrQuerySymbol(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage,
|
---|
1256 | const char *pszSymbol, size_t cchSymbol, void **ppvSymbol)
|
---|
1257 | {
|
---|
1258 | RT_NOREF(pDevExt, pImage, pszSymbol, cchSymbol, ppvSymbol);
|
---|
1259 | return VERR_WRONG_ORDER;
|
---|
1260 | }
|
---|
1261 |
|
---|
1262 |
|
---|
1263 | void VBOXCALL supdrvOSLdrRetainWrapperModule(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage)
|
---|
1264 | {
|
---|
1265 | RT_NOREF(pDevExt, pImage);
|
---|
1266 | AssertFailed();
|
---|
1267 | }
|
---|
1268 |
|
---|
1269 |
|
---|
1270 | void VBOXCALL supdrvOSLdrReleaseWrapperModule(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage)
|
---|
1271 | {
|
---|
1272 | RT_NOREF(pDevExt, pImage);
|
---|
1273 | AssertFailed();
|
---|
1274 | }
|
---|
1275 |
|
---|
1276 | #ifdef SUPDRV_WITH_MSR_PROBER
|
---|
1277 |
|
---|
1278 | int VBOXCALL supdrvOSMsrProberRead(uint32_t uMsr, RTCPUID idCpu, uint64_t *puValue)
|
---|
1279 | {
|
---|
1280 | /** @todo cmi_hdl_rdmsr can safely do this. there is also the on_trap() fun
|
---|
1281 | * for catching traps that could possibly be used directly. */
|
---|
1282 | NOREF(uMsr); NOREF(idCpu); NOREF(puValue);
|
---|
1283 | return VERR_NOT_SUPPORTED;
|
---|
1284 | }
|
---|
1285 |
|
---|
1286 |
|
---|
1287 | int VBOXCALL supdrvOSMsrProberWrite(uint32_t uMsr, RTCPUID idCpu, uint64_t uValue)
|
---|
1288 | {
|
---|
1289 | /** @todo cmi_hdl_wrmsr can safely do this. */
|
---|
1290 | NOREF(uMsr); NOREF(idCpu); NOREF(uValue);
|
---|
1291 | return VERR_NOT_SUPPORTED;
|
---|
1292 | }
|
---|
1293 |
|
---|
1294 |
|
---|
1295 | int VBOXCALL supdrvOSMsrProberModify(RTCPUID idCpu, PSUPMSRPROBER pReq)
|
---|
1296 | {
|
---|
1297 | NOREF(idCpu); NOREF(pReq);
|
---|
1298 | return VERR_NOT_SUPPORTED;
|
---|
1299 | }
|
---|
1300 |
|
---|
1301 | #endif /* SUPDRV_WITH_MSR_PROBER */
|
---|
1302 |
|
---|
1303 |
|
---|
1304 | SUPR0DECL(int) SUPR0HCPhysToVirt(RTHCPHYS HCPhys, void **ppv)
|
---|
1305 | {
|
---|
1306 | AssertReturn(!(HCPhys & PAGE_OFFSET_MASK), VERR_INVALID_POINTER);
|
---|
1307 | AssertReturn(HCPhys != NIL_RTHCPHYS, VERR_INVALID_POINTER);
|
---|
1308 | HCPhys >>= PAGE_SHIFT;
|
---|
1309 | AssertReturn(HCPhys <= physmax, VERR_INVALID_POINTER);
|
---|
1310 | *ppv = hat_kpm_pfn2va(HCPhys);
|
---|
1311 | return VINF_SUCCESS;
|
---|
1312 | }
|
---|
1313 |
|
---|
1314 |
|
---|
1315 | RTDECL(int) SUPR0PrintfV(const char *pszFormat, va_list va)
|
---|
1316 | {
|
---|
1317 | /* cmn_err() acquires adaptive mutexes. Not preemption safe, see @bugref{6657}. */
|
---|
1318 | if (RTThreadPreemptIsEnabled(NIL_RTTHREAD))
|
---|
1319 | {
|
---|
1320 | char szMsg[512];
|
---|
1321 | RTStrPrintfV(szMsg, sizeof(szMsg) - 1, pszFormat, va);
|
---|
1322 | szMsg[sizeof(szMsg) - 1] = '\0';
|
---|
1323 |
|
---|
1324 | cmn_err(CE_CONT, "%s", szMsg);
|
---|
1325 | }
|
---|
1326 | return 0;
|
---|
1327 | }
|
---|
1328 |
|
---|
1329 |
|
---|
1330 | SUPR0DECL(uint32_t) SUPR0GetKernelFeatures(void)
|
---|
1331 | {
|
---|
1332 | return 0;
|
---|
1333 | }
|
---|
1334 |
|
---|
1335 |
|
---|
1336 | SUPR0DECL(bool) SUPR0FpuBegin(bool fCtxHook)
|
---|
1337 | {
|
---|
1338 | RT_NOREF(fCtxHook);
|
---|
1339 | return false;
|
---|
1340 | }
|
---|
1341 |
|
---|
1342 |
|
---|
1343 | SUPR0DECL(void) SUPR0FpuEnd(bool fCtxHook)
|
---|
1344 | {
|
---|
1345 | RT_NOREF(fCtxHook);
|
---|
1346 | }
|
---|
1347 |
|
---|