1 | /* $Id: USBProxyBackendSolaris.cpp 69500 2017-10-28 15:14:05Z vboxsync $ */
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2 | /** @file
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3 | * VirtualBox USB Proxy Service, Solaris Specialization.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2005-2017 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | */
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17 |
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18 |
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19 | /*********************************************************************************************************************************
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20 | * Header Files *
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21 | *********************************************************************************************************************************/
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22 | #include "USBProxyBackend.h"
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23 | #include "Logging.h"
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24 |
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25 | #include <VBox/usb.h>
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26 | #include <VBox/usblib.h>
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27 | #include <VBox/err.h>
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28 | #include <iprt/semaphore.h>
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29 | #include <iprt/path.h>
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30 |
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31 | #include <sys/usb/usba.h>
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32 | #include <syslog.h>
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33 |
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34 |
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35 | /*********************************************************************************************************************************
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36 | * Internal Functions *
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37 | *********************************************************************************************************************************/
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38 | static int solarisWalkDeviceNode(di_node_t Node, void *pvArg);
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39 | static void solarisFreeUSBDevice(PUSBDEVICE pDevice);
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40 | static USBDEVICESTATE solarisDetermineUSBDeviceState(PUSBDEVICE pDevice, di_node_t Node);
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41 |
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42 |
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43 | /*********************************************************************************************************************************
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44 | * Structures and Typedefs *
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45 | *********************************************************************************************************************************/
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46 | typedef struct USBDEVICELIST
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47 | {
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48 | PUSBDEVICE pHead;
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49 | PUSBDEVICE pTail;
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50 | } USBDEVICELIST;
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51 | typedef USBDEVICELIST *PUSBDEVICELIST;
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52 |
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53 |
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54 | /**
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55 | * Initialize data members.
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56 | */
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57 | USBProxyBackendSolaris::USBProxyBackendSolaris()
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58 | : USBProxyBackend(), mNotifyEventSem(NIL_RTSEMEVENT), mUSBLibInitialized(false)
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59 | {
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60 | LogFlowThisFunc(("\n"));
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61 | }
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62 |
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63 | USBProxyBackendSolaris::~USBProxyBackendSolaris()
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64 | {
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65 | }
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66 |
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67 | /**
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68 | * Initializes the object (called right after construction).
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69 | *
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70 | * @returns VBox status code.
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71 | */
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72 | int USBProxyBackendSolaris::init(USBProxyService *aUsbProxyService, const com::Utf8Str &strId,
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73 | const com::Utf8Str &strAddress, bool fLoadingSettings)
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74 | {
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75 | USBProxyBackend::init(aUsbProxyService, strId, strAddress, fLoadingSettings);
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76 |
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77 | unconst(m_strBackend) = Utf8Str("host");
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78 |
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79 | /*
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80 | * Create semaphore.
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81 | */
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82 | int rc = RTSemEventCreate(&mNotifyEventSem);
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83 | if (RT_FAILURE(rc))
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84 | return rc;
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85 |
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86 | /*
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87 | * Initialize the USB library.
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88 | */
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89 | rc = USBLibInit();
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90 | if (RT_FAILURE(rc))
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91 | {
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92 | /* mNotifyEventSem will be destroyed in uninit */
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93 | return rc;
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94 | }
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95 |
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96 | mUSBLibInitialized = true;
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97 |
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98 | /*
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99 | * Start the poller thread.
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100 | */
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101 | start();
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102 | return VINF_SUCCESS;
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103 | }
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104 |
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105 |
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106 | /**
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107 | * Stop all service threads and free the device chain.
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108 | */
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109 | void USBProxyBackendSolaris::uninit()
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110 | {
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111 | LogFlowThisFunc(("destruct\n"));
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112 |
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113 | /*
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114 | * Stop the service.
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115 | */
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116 | if (isActive())
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117 | stop();
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118 |
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119 | /*
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120 | * Terminate the USB library
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121 | */
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122 | if (mUSBLibInitialized)
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123 | {
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124 | USBLibTerm();
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125 | mUSBLibInitialized = false;
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126 | }
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127 |
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128 | if (mNotifyEventSem != NIL_RTSEMEVENT)
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129 | {
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130 | RTSemEventDestroy(mNotifyEventSem);
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131 | mNotifyEventSem = NIL_RTSEMEVENT;
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132 | }
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133 | }
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134 |
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135 |
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136 | void *USBProxyBackendSolaris::insertFilter(PCUSBFILTER aFilter)
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137 | {
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138 | return USBLibAddFilter(aFilter);
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139 | }
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140 |
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141 |
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142 | void USBProxyBackendSolaris::removeFilter(void *pvID)
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143 | {
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144 | USBLibRemoveFilter(pvID);
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145 | }
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146 |
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147 |
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148 | int USBProxyBackendSolaris::wait(RTMSINTERVAL aMillies)
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149 | {
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150 | return RTSemEventWait(mNotifyEventSem, aMillies < 1000 ? 1000 : RT_MIN(aMillies, 5000));
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151 | }
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152 |
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153 |
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154 | int USBProxyBackendSolaris::interruptWait(void)
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155 | {
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156 | return RTSemEventSignal(mNotifyEventSem);
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157 | }
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158 |
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159 |
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160 | PUSBDEVICE USBProxyBackendSolaris::getDevices(void)
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161 | {
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162 | USBDEVICELIST DevList;
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163 | DevList.pHead = NULL;
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164 | DevList.pTail = NULL;
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165 | di_node_t RootNode = di_init("/", DINFOCPYALL);
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166 | if (RootNode != DI_NODE_NIL)
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167 | di_walk_node(RootNode, DI_WALK_CLDFIRST, &DevList, solarisWalkDeviceNode);
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168 |
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169 | di_fini(RootNode);
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170 | return DevList.pHead;
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171 | }
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172 |
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173 |
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174 | static int solarisWalkDeviceNode(di_node_t Node, void *pvArg)
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175 | {
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176 | PUSBDEVICELIST pList = (PUSBDEVICELIST)pvArg;
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177 | AssertPtrReturn(pList, DI_WALK_TERMINATE);
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178 |
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179 | /*
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180 | * Check if it's a USB device in the first place.
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181 | */
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182 | bool fUSBDevice = false;
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183 | char *pszCompatNames = NULL;
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184 | int cCompatNames = di_compatible_names(Node, &pszCompatNames);
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185 | for (int i = 0; i < cCompatNames; i++, pszCompatNames += strlen(pszCompatNames) + 1)
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186 | if (!strncmp(pszCompatNames, RT_STR_TUPLE("usb")))
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187 | {
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188 | fUSBDevice = true;
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189 | break;
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190 | }
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191 |
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192 | if (!fUSBDevice)
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193 | return DI_WALK_CONTINUE;
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194 |
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195 | /*
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196 | * Check if it's a device node or interface.
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197 | */
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198 | int *pInt = NULL;
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199 | char *pStr = NULL;
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200 | int rc = DI_WALK_CONTINUE;
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201 | if (di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "interface", &pInt) < 0)
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202 | {
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203 | /* It's a device node. */
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204 | char *pszDevicePath = di_devfs_path(Node);
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205 | PUSBDEVICE pCur = (PUSBDEVICE)RTMemAllocZ(sizeof(*pCur));
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206 | if (!pCur)
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207 | {
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208 | LogRel(("USBService: failed to allocate %d bytes for PUSBDEVICE.\n", sizeof(*pCur)));
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209 | return DI_WALK_TERMINATE;
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210 | }
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211 |
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212 | bool fValidDevice = false;
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213 | do
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214 | {
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215 | AssertBreak(pszDevicePath);
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216 |
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217 | char *pszDriverName = di_driver_name(Node);
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218 |
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219 | /*
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220 | * Skip hubs
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221 | */
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222 | if ( pszDriverName
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223 | && !strcmp(pszDriverName, "hubd"))
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224 | {
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225 | break;
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226 | }
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227 |
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228 | /*
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229 | * Mandatory.
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230 | * snv_85 and above have usb-dev-descriptor node properties, but older one's do not.
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231 | * So if we cannot obtain the entire device descriptor, we try falling back to the
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232 | * individual properties (those must not fail, if it does we drop the device).
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233 | */
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234 | uchar_t *pDevData = NULL;
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235 | int cbProp = di_prop_lookup_bytes(DDI_DEV_T_ANY, Node, "usb-dev-descriptor", &pDevData);
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236 | if ( cbProp > 0
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237 | && pDevData)
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238 | {
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239 | usb_dev_descr_t *pDeviceDescriptor = (usb_dev_descr_t *)pDevData;
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240 | pCur->bDeviceClass = pDeviceDescriptor->bDeviceClass;
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241 | pCur->bDeviceSubClass = pDeviceDescriptor->bDeviceSubClass;
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242 | pCur->bDeviceProtocol = pDeviceDescriptor->bDeviceProtocol;
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243 | pCur->idVendor = pDeviceDescriptor->idVendor;
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244 | pCur->idProduct = pDeviceDescriptor->idProduct;
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245 | pCur->bcdDevice = pDeviceDescriptor->bcdDevice;
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246 | pCur->bcdUSB = pDeviceDescriptor->bcdUSB;
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247 | pCur->bNumConfigurations = pDeviceDescriptor->bNumConfigurations;
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248 | pCur->fPartialDescriptor = false;
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249 | }
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250 | else
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251 | {
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252 | AssertBreak(di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "usb-vendor-id", &pInt) > 0);
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253 | pCur->idVendor = (uint16_t)*pInt;
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254 |
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255 | AssertBreak(di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "usb-product-id", &pInt) > 0);
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256 | pCur->idProduct = (uint16_t)*pInt;
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257 |
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258 | AssertBreak(di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "usb-revision-id", &pInt) > 0);
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259 | pCur->bcdDevice = (uint16_t)*pInt;
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260 |
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261 | AssertBreak(di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "usb-release", &pInt) > 0);
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262 | pCur->bcdUSB = (uint16_t)*pInt;
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263 |
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264 | pCur->fPartialDescriptor = true;
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265 | }
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266 |
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267 | char *pszPortAddr = di_bus_addr(Node);
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268 | if (pszPortAddr)
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269 | pCur->bPort = RTStrToUInt8(pszPortAddr); /* Bus & Port are mixed up (kernel driver/userland) */
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270 | else
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271 | pCur->bPort = 0;
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272 |
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273 | char szBuf[PATH_MAX + 48];
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274 | RTStrPrintf(szBuf, sizeof(szBuf), "%#x:%#x:%d:%s", pCur->idVendor, pCur->idProduct, pCur->bcdDevice, pszDevicePath);
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275 | pCur->pszAddress = RTStrDup(szBuf);
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276 | AssertBreak(pCur->pszAddress);
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277 |
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278 | pCur->pszDevicePath = RTStrDup(pszDevicePath);
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279 | AssertBreak(pCur->pszDevicePath);
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280 |
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281 | pCur->pszBackend = RTStrDup("host");
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282 | AssertBreak(pCur->pszBackend);
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283 |
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284 | /*
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285 | * Optional (some devices don't have all these)
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286 | */
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287 | char *pszCopy;
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288 | if (di_prop_lookup_strings(DDI_DEV_T_ANY, Node, "usb-product-name", &pStr) > 0)
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289 | {
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290 | pCur->pszProduct = pszCopy = RTStrDup(pStr);
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291 | USBLibPurgeEncoding(pszCopy);
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292 | }
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293 |
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294 | if (di_prop_lookup_strings(DDI_DEV_T_ANY, Node, "usb-vendor-name", &pStr) > 0)
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295 | {
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296 | pCur->pszManufacturer = pszCopy = RTStrDup(pStr);
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297 | USBLibPurgeEncoding(pszCopy);
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298 | }
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299 |
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300 | if (di_prop_lookup_strings(DDI_DEV_T_ANY, Node, "usb-serialno", &pStr) > 0)
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301 | {
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302 | pCur->pszSerialNumber = pszCopy = RTStrDup(pStr);
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303 | USBLibPurgeEncoding(pszCopy);
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304 | }
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305 |
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306 | if (pCur->bcdUSB == 0x300)
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307 | pCur->enmSpeed = USBDEVICESPEED_SUPER;
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308 | else if (di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "low-speed", &pInt) >= 0)
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309 | pCur->enmSpeed = USBDEVICESPEED_LOW;
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310 | else if (di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "high-speed", &pInt) >= 0)
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311 | pCur->enmSpeed = USBDEVICESPEED_HIGH;
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312 | else
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313 | pCur->enmSpeed = USBDEVICESPEED_FULL;
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314 |
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315 | /* Determine state of the USB device. */
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316 | pCur->enmState = solarisDetermineUSBDeviceState(pCur, Node);
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317 |
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318 | /*
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319 | * Valid device, add it to the list.
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320 | */
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321 | fValidDevice = true;
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322 | pCur->pPrev = pList->pTail;
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323 | if (pList->pTail)
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324 | pList->pTail = pList->pTail->pNext = pCur;
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325 | else
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326 | pList->pTail = pList->pHead = pCur;
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327 |
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328 | rc = DI_WALK_CONTINUE;
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329 | } while (0);
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330 |
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331 | di_devfs_path_free(pszDevicePath);
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332 | if (!fValidDevice)
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333 | solarisFreeUSBDevice(pCur);
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334 | }
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335 | return rc;
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336 | }
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337 |
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338 |
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339 | static USBDEVICESTATE solarisDetermineUSBDeviceState(PUSBDEVICE pDevice, di_node_t Node)
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340 | {
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341 | char *pszDriverName = di_driver_name(Node);
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342 |
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343 | /* Not possible unless a user explicitly unbinds the default driver. */
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344 | if (!pszDriverName)
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345 | return USBDEVICESTATE_UNUSED;
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346 |
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347 | if (!strncmp(pszDriverName, RT_STR_TUPLE(VBOXUSB_DRIVER_NAME)))
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348 | return USBDEVICESTATE_HELD_BY_PROXY;
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349 |
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350 | NOREF(pDevice);
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351 | return USBDEVICESTATE_USED_BY_HOST_CAPTURABLE;
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352 | }
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353 |
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354 |
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355 | int USBProxyBackendSolaris::captureDevice(HostUSBDevice *aDevice)
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356 | {
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357 | /*
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358 | * Check preconditions.
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359 | */
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360 | AssertReturn(aDevice, VERR_GENERAL_FAILURE);
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361 | AssertReturn(!aDevice->isWriteLockOnCurrentThread(), VERR_GENERAL_FAILURE);
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362 |
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363 | AutoReadLock devLock(aDevice COMMA_LOCKVAL_SRC_POS);
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364 | LogFlowThisFunc(("aDevice=%s\n", aDevice->i_getName().c_str()));
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365 |
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366 | Assert(aDevice->i_getUnistate() == kHostUSBDeviceState_Capturing);
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367 | AssertReturn(aDevice->i_getUsbData(), VERR_INVALID_POINTER);
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368 |
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369 | /*
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370 | * Create a one-shot capture filter for the device and reset the device.
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371 | */
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372 | USBFILTER Filter;
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373 | USBFilterInit(&Filter, USBFILTERTYPE_ONESHOT_CAPTURE);
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374 | initFilterFromDevice(&Filter, aDevice);
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375 |
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376 | void *pvId = USBLibAddFilter(&Filter);
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377 | if (!pvId)
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378 | {
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379 | LogRel(("USBService: failed to add filter\n"));
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380 | return VERR_GENERAL_FAILURE;
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381 | }
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382 |
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383 | PUSBDEVICE pDev = aDevice->i_getUsbData();
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384 | int rc = USBLibResetDevice(pDev->pszDevicePath, true);
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385 | if (RT_SUCCESS(rc))
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386 | aDevice->i_setBackendUserData(pvId);
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387 | else
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388 | {
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389 | USBLibRemoveFilter(pvId);
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390 | pvId = NULL;
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391 | }
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392 | LogFlowThisFunc(("returns %Rrc pvId=%p\n", rc, pvId));
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393 | return rc;
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394 | }
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395 |
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396 |
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397 | void USBProxyBackendSolaris::captureDeviceCompleted(HostUSBDevice *aDevice, bool aSuccess)
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398 | {
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399 | AssertReturnVoid(aDevice->isWriteLockOnCurrentThread());
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400 | /*
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401 | * Remove the one-shot filter if necessary.
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402 | */
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403 | LogFlowThisFunc(("aDevice=%s aSuccess=%RTbool mOneShotId=%p\n", aDevice->i_getName().c_str(), aSuccess, aDevice->i_getBackendUserData()));
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404 | if (!aSuccess && aDevice->i_getBackendUserData())
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405 | USBLibRemoveFilter(aDevice->i_getBackendUserData());
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406 | aDevice->i_setBackendUserData(NULL);
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407 | USBProxyBackend::captureDeviceCompleted(aDevice, aSuccess);
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408 | }
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409 |
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410 |
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411 | int USBProxyBackendSolaris::releaseDevice(HostUSBDevice *aDevice)
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412 | {
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413 | /*
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414 | * Check preconditions.
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415 | */
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416 | AssertReturn(aDevice, VERR_GENERAL_FAILURE);
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417 | AssertReturn(!aDevice->isWriteLockOnCurrentThread(), VERR_GENERAL_FAILURE);
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418 |
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419 | AutoReadLock devLock(aDevice COMMA_LOCKVAL_SRC_POS);
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420 | LogFlowThisFunc(("aDevice=%s\n", aDevice->i_getName().c_str()));
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421 |
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422 | Assert(aDevice->i_getUnistate() == kHostUSBDeviceState_ReleasingToHost);
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423 | AssertReturn(aDevice->i_getUsbData(), VERR_INVALID_POINTER);
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424 |
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425 | /*
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426 | * Create a one-shot ignore filter for the device and reset it.
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427 | */
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428 | USBFILTER Filter;
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429 | USBFilterInit(&Filter, USBFILTERTYPE_ONESHOT_IGNORE);
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430 | initFilterFromDevice(&Filter, aDevice);
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431 |
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432 | void *pvId = USBLibAddFilter(&Filter);
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433 | if (!pvId)
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434 | {
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435 | LogRel(("USBService: Adding ignore filter failed!\n"));
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436 | return VERR_GENERAL_FAILURE;
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437 | }
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438 |
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439 | PUSBDEVICE pDev = aDevice->i_getUsbData();
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440 | int rc = USBLibResetDevice(pDev->pszDevicePath, true /* Re-attach */);
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441 | if (RT_SUCCESS(rc))
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442 | aDevice->i_setBackendUserData(pvId);
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443 | else
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444 | {
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445 | USBLibRemoveFilter(pvId);
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446 | pvId = NULL;
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447 | }
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448 | LogFlowThisFunc(("returns %Rrc pvId=%p\n", rc, pvId));
|
---|
449 | return rc;
|
---|
450 | }
|
---|
451 |
|
---|
452 |
|
---|
453 | void USBProxyBackendSolaris::releaseDeviceCompleted(HostUSBDevice *aDevice, bool aSuccess)
|
---|
454 | {
|
---|
455 | AssertReturnVoid(aDevice->isWriteLockOnCurrentThread());
|
---|
456 | /*
|
---|
457 | * Remove the one-shot filter if necessary.
|
---|
458 | */
|
---|
459 | LogFlowThisFunc(("aDevice=%s aSuccess=%RTbool mOneShotId=%p\n", aDevice->i_getName().c_str(), aSuccess, aDevice->i_getBackendUserData()));
|
---|
460 | if (!aSuccess && aDevice->i_getBackendUserData())
|
---|
461 | USBLibRemoveFilter(aDevice->i_getBackendUserData());
|
---|
462 | aDevice->i_setBackendUserData(NULL);
|
---|
463 | USBProxyBackend::releaseDeviceCompleted(aDevice, aSuccess);
|
---|
464 | }
|
---|
465 |
|
---|
466 |
|
---|
467 | /**
|
---|
468 | * Returns whether devices reported by this backend go through a de/re-attach
|
---|
469 | * and device re-enumeration cycle when they are captured or released.
|
---|
470 | */
|
---|
471 | bool USBProxyBackendSolaris::i_isDevReEnumerationRequired()
|
---|
472 | {
|
---|
473 | return true;
|
---|
474 | }
|
---|
475 |
|
---|
476 |
|
---|
477 | /**
|
---|
478 | * Wrapper called by walkDeviceNode.
|
---|
479 | *
|
---|
480 | * @param pDevice The USB device to free.
|
---|
481 | */
|
---|
482 | void solarisFreeUSBDevice(PUSBDEVICE pDevice)
|
---|
483 | {
|
---|
484 | USBProxyBackend::freeDevice(pDevice);
|
---|
485 | }
|
---|