1 | /* $Id: USBProxyBackendSolaris.cpp 76592 2019-01-01 20:13:07Z 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) 2005-2019 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 | #define LOG_GROUP LOG_GROUP_MAIN_USBPROXYBACKEND
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23 | #include "USBProxyBackend.h"
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24 | #include "LoggingNew.h"
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25 |
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26 | #include <VBox/usb.h>
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27 | #include <VBox/usblib.h>
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28 | #include <iprt/errcore.h>
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29 | #include <iprt/semaphore.h>
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30 | #include <iprt/path.h>
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31 |
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32 | #include <sys/usb/usba.h>
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33 | #include <syslog.h>
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34 |
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35 |
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36 | /*********************************************************************************************************************************
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37 | * Internal Functions *
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38 | *********************************************************************************************************************************/
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39 | static int solarisWalkDeviceNode(di_node_t Node, void *pvArg);
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40 | static void solarisFreeUSBDevice(PUSBDEVICE pDevice);
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41 | static USBDEVICESTATE solarisDetermineUSBDeviceState(PUSBDEVICE pDevice, di_node_t Node);
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42 |
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43 |
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44 | /*********************************************************************************************************************************
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45 | * Structures and Typedefs *
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46 | *********************************************************************************************************************************/
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47 | typedef struct USBDEVICELIST
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48 | {
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49 | PUSBDEVICE pHead;
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50 | PUSBDEVICE pTail;
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51 | } USBDEVICELIST;
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52 | typedef USBDEVICELIST *PUSBDEVICELIST;
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53 |
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54 |
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55 | /**
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56 | * Initialize data members.
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57 | */
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58 | USBProxyBackendSolaris::USBProxyBackendSolaris()
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59 | : USBProxyBackend(), mNotifyEventSem(NIL_RTSEMEVENT), mUSBLibInitialized(false)
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60 | {
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61 | LogFlowThisFunc(("\n"));
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62 | }
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63 |
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64 | USBProxyBackendSolaris::~USBProxyBackendSolaris()
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65 | {
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66 | }
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67 |
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68 | /**
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69 | * Initializes the object (called right after construction).
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70 | *
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71 | * @returns VBox status code.
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72 | */
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73 | int USBProxyBackendSolaris::init(USBProxyService *aUsbProxyService, const com::Utf8Str &strId,
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74 | const com::Utf8Str &strAddress, bool fLoadingSettings)
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75 | {
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76 | USBProxyBackend::init(aUsbProxyService, strId, strAddress, fLoadingSettings);
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77 |
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78 | unconst(m_strBackend) = Utf8Str("host");
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79 |
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80 | /*
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81 | * Create semaphore.
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82 | */
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83 | int rc = RTSemEventCreate(&mNotifyEventSem);
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84 | if (RT_FAILURE(rc))
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85 | return rc;
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86 |
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87 | /*
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88 | * Initialize the USB library.
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89 | */
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90 | rc = USBLibInit();
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91 | if (RT_FAILURE(rc))
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92 | {
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93 | /* mNotifyEventSem will be destroyed in uninit */
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94 | return rc;
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95 | }
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96 |
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97 | mUSBLibInitialized = true;
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98 |
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99 | /*
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100 | * Start the poller thread.
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101 | */
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102 | start();
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103 | return VINF_SUCCESS;
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104 | }
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105 |
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106 |
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107 | /**
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108 | * Stop all service threads and free the device chain.
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109 | */
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110 | void USBProxyBackendSolaris::uninit()
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111 | {
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112 | LogFlowThisFunc(("destruct\n"));
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113 |
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114 | /*
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115 | * Stop the service.
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116 | */
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117 | if (isActive())
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118 | stop();
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119 |
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120 | /*
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121 | * Terminate the USB library
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122 | */
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123 | if (mUSBLibInitialized)
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124 | {
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125 | USBLibTerm();
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126 | mUSBLibInitialized = false;
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127 | }
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128 |
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129 | if (mNotifyEventSem != NIL_RTSEMEVENT)
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130 | {
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131 | RTSemEventDestroy(mNotifyEventSem);
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132 | mNotifyEventSem = NIL_RTSEMEVENT;
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133 | }
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134 | }
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135 |
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136 |
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137 | void *USBProxyBackendSolaris::insertFilter(PCUSBFILTER aFilter)
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138 | {
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139 | return USBLibAddFilter(aFilter);
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140 | }
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141 |
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142 |
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143 | void USBProxyBackendSolaris::removeFilter(void *pvID)
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144 | {
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145 | USBLibRemoveFilter(pvID);
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146 | }
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147 |
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148 |
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149 | int USBProxyBackendSolaris::wait(RTMSINTERVAL aMillies)
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150 | {
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151 | return RTSemEventWait(mNotifyEventSem, aMillies < 1000 ? 1000 : RT_MIN(aMillies, 5000));
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152 | }
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153 |
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154 |
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155 | int USBProxyBackendSolaris::interruptWait(void)
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156 | {
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157 | return RTSemEventSignal(mNotifyEventSem);
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158 | }
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159 |
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160 |
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161 | PUSBDEVICE USBProxyBackendSolaris::getDevices(void)
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162 | {
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163 | USBDEVICELIST DevList;
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164 | DevList.pHead = NULL;
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165 | DevList.pTail = NULL;
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166 | di_node_t RootNode = di_init("/", DINFOCPYALL);
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167 | if (RootNode != DI_NODE_NIL)
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168 | di_walk_node(RootNode, DI_WALK_CLDFIRST, &DevList, solarisWalkDeviceNode);
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169 |
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170 | di_fini(RootNode);
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171 | return DevList.pHead;
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172 | }
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173 |
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174 |
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175 | static int solarisWalkDeviceNode(di_node_t Node, void *pvArg)
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176 | {
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177 | PUSBDEVICELIST pList = (PUSBDEVICELIST)pvArg;
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178 | AssertPtrReturn(pList, DI_WALK_TERMINATE);
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179 |
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180 | /*
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181 | * Check if it's a USB device in the first place.
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182 | */
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183 | bool fUSBDevice = false;
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184 | char *pszCompatNames = NULL;
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185 | int cCompatNames = di_compatible_names(Node, &pszCompatNames);
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186 | for (int i = 0; i < cCompatNames; i++, pszCompatNames += strlen(pszCompatNames) + 1)
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187 | if (!strncmp(pszCompatNames, RT_STR_TUPLE("usb")))
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188 | {
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189 | fUSBDevice = true;
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190 | break;
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191 | }
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192 |
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193 | if (!fUSBDevice)
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194 | return DI_WALK_CONTINUE;
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195 |
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196 | /*
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197 | * Check if it's a device node or interface.
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198 | */
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199 | int *pInt = NULL;
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200 | char *pStr = NULL;
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201 | int rc = DI_WALK_CONTINUE;
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202 | if (di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "interface", &pInt) < 0)
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203 | {
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204 | /* It's a device node. */
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205 | char *pszDevicePath = di_devfs_path(Node);
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206 | PUSBDEVICE pCur = (PUSBDEVICE)RTMemAllocZ(sizeof(*pCur));
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207 | if (!pCur)
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208 | {
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209 | LogRel(("USBService: failed to allocate %d bytes for PUSBDEVICE.\n", sizeof(*pCur)));
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210 | return DI_WALK_TERMINATE;
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211 | }
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212 |
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213 | bool fValidDevice = false;
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214 | do
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215 | {
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216 | AssertBreak(pszDevicePath);
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217 |
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218 | char *pszDriverName = di_driver_name(Node);
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219 |
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220 | /*
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221 | * Skip hubs
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222 | */
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223 | if ( pszDriverName
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224 | && !strcmp(pszDriverName, "hubd"))
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225 | {
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226 | break;
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227 | }
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228 |
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229 | /*
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230 | * Mandatory.
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231 | * snv_85 and above have usb-dev-descriptor node properties, but older one's do not.
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232 | * So if we cannot obtain the entire device descriptor, we try falling back to the
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233 | * individual properties (those must not fail, if it does we drop the device).
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234 | */
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235 | uchar_t *pDevData = NULL;
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236 | int cbProp = di_prop_lookup_bytes(DDI_DEV_T_ANY, Node, "usb-dev-descriptor", &pDevData);
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237 | if ( cbProp > 0
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238 | && pDevData)
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239 | {
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240 | usb_dev_descr_t *pDeviceDescriptor = (usb_dev_descr_t *)pDevData;
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241 | pCur->bDeviceClass = pDeviceDescriptor->bDeviceClass;
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242 | pCur->bDeviceSubClass = pDeviceDescriptor->bDeviceSubClass;
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243 | pCur->bDeviceProtocol = pDeviceDescriptor->bDeviceProtocol;
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244 | pCur->idVendor = pDeviceDescriptor->idVendor;
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245 | pCur->idProduct = pDeviceDescriptor->idProduct;
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246 | pCur->bcdDevice = pDeviceDescriptor->bcdDevice;
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247 | pCur->bcdUSB = pDeviceDescriptor->bcdUSB;
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248 | pCur->bNumConfigurations = pDeviceDescriptor->bNumConfigurations;
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249 | pCur->fPartialDescriptor = false;
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250 | }
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251 | else
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252 | {
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253 | AssertBreak(di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "usb-vendor-id", &pInt) > 0);
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254 | pCur->idVendor = (uint16_t)*pInt;
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255 |
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256 | AssertBreak(di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "usb-product-id", &pInt) > 0);
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257 | pCur->idProduct = (uint16_t)*pInt;
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258 |
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259 | AssertBreak(di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "usb-revision-id", &pInt) > 0);
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260 | pCur->bcdDevice = (uint16_t)*pInt;
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261 |
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262 | AssertBreak(di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "usb-release", &pInt) > 0);
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263 | pCur->bcdUSB = (uint16_t)*pInt;
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264 |
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265 | pCur->fPartialDescriptor = true;
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266 | }
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267 |
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268 | char *pszPortAddr = di_bus_addr(Node);
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269 | if (pszPortAddr)
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270 | pCur->bPort = RTStrToUInt8(pszPortAddr); /* Bus & Port are mixed up (kernel driver/userland) */
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271 | else
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272 | pCur->bPort = 0;
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273 |
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274 | char szBuf[PATH_MAX + 48];
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275 | RTStrPrintf(szBuf, sizeof(szBuf), "%#x:%#x:%d:%s", pCur->idVendor, pCur->idProduct, pCur->bcdDevice, pszDevicePath);
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276 | pCur->pszAddress = RTStrDup(szBuf);
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277 | AssertBreak(pCur->pszAddress);
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278 |
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279 | pCur->pszDevicePath = RTStrDup(pszDevicePath);
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280 | AssertBreak(pCur->pszDevicePath);
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281 |
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282 | pCur->pszBackend = RTStrDup("host");
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283 | AssertBreak(pCur->pszBackend);
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284 |
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285 | /*
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286 | * Optional (some devices don't have all these)
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287 | */
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288 | char *pszCopy;
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289 | if (di_prop_lookup_strings(DDI_DEV_T_ANY, Node, "usb-product-name", &pStr) > 0)
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290 | {
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291 | pCur->pszProduct = pszCopy = RTStrDup(pStr);
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292 | USBLibPurgeEncoding(pszCopy);
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293 | }
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294 |
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295 | if (di_prop_lookup_strings(DDI_DEV_T_ANY, Node, "usb-vendor-name", &pStr) > 0)
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296 | {
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297 | pCur->pszManufacturer = pszCopy = RTStrDup(pStr);
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298 | USBLibPurgeEncoding(pszCopy);
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299 | }
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300 |
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301 | if (di_prop_lookup_strings(DDI_DEV_T_ANY, Node, "usb-serialno", &pStr) > 0)
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302 | {
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303 | pCur->pszSerialNumber = pszCopy = RTStrDup(pStr);
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304 | USBLibPurgeEncoding(pszCopy);
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305 | }
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306 |
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307 | if (pCur->bcdUSB == 0x300)
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308 | pCur->enmSpeed = USBDEVICESPEED_SUPER;
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309 | else if (di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "low-speed", &pInt) >= 0)
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310 | pCur->enmSpeed = USBDEVICESPEED_LOW;
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311 | else if (di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "high-speed", &pInt) >= 0)
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312 | pCur->enmSpeed = USBDEVICESPEED_HIGH;
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313 | else
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314 | pCur->enmSpeed = USBDEVICESPEED_FULL;
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315 |
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316 | /* Determine state of the USB device. */
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317 | pCur->enmState = solarisDetermineUSBDeviceState(pCur, Node);
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318 |
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319 | /*
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320 | * Valid device, add it to the list.
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321 | */
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322 | fValidDevice = true;
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323 | pCur->pPrev = pList->pTail;
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324 | if (pList->pTail)
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325 | pList->pTail = pList->pTail->pNext = pCur;
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326 | else
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327 | pList->pTail = pList->pHead = pCur;
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328 |
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329 | rc = DI_WALK_CONTINUE;
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330 | } while (0);
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331 |
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332 | di_devfs_path_free(pszDevicePath);
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333 | if (!fValidDevice)
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334 | solarisFreeUSBDevice(pCur);
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335 | }
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336 | return rc;
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337 | }
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338 |
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339 |
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340 | static USBDEVICESTATE solarisDetermineUSBDeviceState(PUSBDEVICE pDevice, di_node_t Node)
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341 | {
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342 | char *pszDriverName = di_driver_name(Node);
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343 |
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344 | /* Not possible unless a user explicitly unbinds the default driver. */
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345 | if (!pszDriverName)
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346 | return USBDEVICESTATE_UNUSED;
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347 |
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348 | if (!strncmp(pszDriverName, RT_STR_TUPLE(VBOXUSB_DRIVER_NAME)))
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349 | return USBDEVICESTATE_HELD_BY_PROXY;
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350 |
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351 | NOREF(pDevice);
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352 | return USBDEVICESTATE_USED_BY_HOST_CAPTURABLE;
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353 | }
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354 |
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355 |
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356 | int USBProxyBackendSolaris::captureDevice(HostUSBDevice *aDevice)
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357 | {
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358 | /*
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359 | * Check preconditions.
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360 | */
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361 | AssertReturn(aDevice, VERR_GENERAL_FAILURE);
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362 | AssertReturn(!aDevice->isWriteLockOnCurrentThread(), VERR_GENERAL_FAILURE);
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363 |
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364 | AutoReadLock devLock(aDevice COMMA_LOCKVAL_SRC_POS);
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365 | LogFlowThisFunc(("aDevice=%s\n", aDevice->i_getName().c_str()));
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366 |
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367 | Assert(aDevice->i_getUnistate() == kHostUSBDeviceState_Capturing);
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368 | AssertReturn(aDevice->i_getUsbData(), VERR_INVALID_POINTER);
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369 |
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370 | /*
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371 | * Create a one-shot capture filter for the device and reset the device.
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372 | */
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373 | USBFILTER Filter;
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374 | USBFilterInit(&Filter, USBFILTERTYPE_ONESHOT_CAPTURE);
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375 | initFilterFromDevice(&Filter, aDevice);
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376 |
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377 | void *pvId = USBLibAddFilter(&Filter);
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378 | if (!pvId)
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379 | {
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380 | LogRel(("USBService: failed to add filter\n"));
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381 | return VERR_GENERAL_FAILURE;
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382 | }
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383 |
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384 | PUSBDEVICE pDev = aDevice->i_getUsbData();
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385 | int rc = USBLibResetDevice(pDev->pszDevicePath, true);
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386 | if (RT_SUCCESS(rc))
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387 | aDevice->i_setBackendUserData(pvId);
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388 | else
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389 | {
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390 | USBLibRemoveFilter(pvId);
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391 | pvId = NULL;
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392 | }
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393 | LogFlowThisFunc(("returns %Rrc pvId=%p\n", rc, pvId));
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394 | return rc;
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395 | }
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396 |
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397 |
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398 | void USBProxyBackendSolaris::captureDeviceCompleted(HostUSBDevice *aDevice, bool aSuccess)
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399 | {
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400 | AssertReturnVoid(aDevice->isWriteLockOnCurrentThread());
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401 | /*
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402 | * Remove the one-shot filter if necessary.
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403 | */
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404 | LogFlowThisFunc(("aDevice=%s aSuccess=%RTbool mOneShotId=%p\n", aDevice->i_getName().c_str(), aSuccess, aDevice->i_getBackendUserData()));
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405 | if (!aSuccess && aDevice->i_getBackendUserData())
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406 | USBLibRemoveFilter(aDevice->i_getBackendUserData());
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407 | aDevice->i_setBackendUserData(NULL);
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408 | USBProxyBackend::captureDeviceCompleted(aDevice, aSuccess);
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409 | }
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410 |
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411 |
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412 | int USBProxyBackendSolaris::releaseDevice(HostUSBDevice *aDevice)
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413 | {
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414 | /*
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415 | * Check preconditions.
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416 | */
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417 | AssertReturn(aDevice, VERR_GENERAL_FAILURE);
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418 | AssertReturn(!aDevice->isWriteLockOnCurrentThread(), VERR_GENERAL_FAILURE);
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419 |
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420 | AutoReadLock devLock(aDevice COMMA_LOCKVAL_SRC_POS);
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421 | LogFlowThisFunc(("aDevice=%s\n", aDevice->i_getName().c_str()));
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422 |
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423 | Assert(aDevice->i_getUnistate() == kHostUSBDeviceState_ReleasingToHost);
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424 | AssertReturn(aDevice->i_getUsbData(), VERR_INVALID_POINTER);
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425 |
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426 | /*
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427 | * Create a one-shot ignore filter for the device and reset it.
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428 | */
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429 | USBFILTER Filter;
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430 | USBFilterInit(&Filter, USBFILTERTYPE_ONESHOT_IGNORE);
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431 | initFilterFromDevice(&Filter, aDevice);
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432 |
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433 | void *pvId = USBLibAddFilter(&Filter);
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434 | if (!pvId)
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435 | {
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436 | LogRel(("USBService: Adding ignore filter failed!\n"));
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437 | return VERR_GENERAL_FAILURE;
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438 | }
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439 |
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440 | PUSBDEVICE pDev = aDevice->i_getUsbData();
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441 | int rc = USBLibResetDevice(pDev->pszDevicePath, true /* Re-attach */);
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442 | if (RT_SUCCESS(rc))
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443 | aDevice->i_setBackendUserData(pvId);
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444 | else
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445 | {
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446 | USBLibRemoveFilter(pvId);
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447 | pvId = NULL;
|
---|
448 | }
|
---|
449 | LogFlowThisFunc(("returns %Rrc pvId=%p\n", rc, pvId));
|
---|
450 | return rc;
|
---|
451 | }
|
---|
452 |
|
---|
453 |
|
---|
454 | void USBProxyBackendSolaris::releaseDeviceCompleted(HostUSBDevice *aDevice, bool aSuccess)
|
---|
455 | {
|
---|
456 | AssertReturnVoid(aDevice->isWriteLockOnCurrentThread());
|
---|
457 | /*
|
---|
458 | * Remove the one-shot filter if necessary.
|
---|
459 | */
|
---|
460 | LogFlowThisFunc(("aDevice=%s aSuccess=%RTbool mOneShotId=%p\n", aDevice->i_getName().c_str(), aSuccess, aDevice->i_getBackendUserData()));
|
---|
461 | if (!aSuccess && aDevice->i_getBackendUserData())
|
---|
462 | USBLibRemoveFilter(aDevice->i_getBackendUserData());
|
---|
463 | aDevice->i_setBackendUserData(NULL);
|
---|
464 | USBProxyBackend::releaseDeviceCompleted(aDevice, aSuccess);
|
---|
465 | }
|
---|
466 |
|
---|
467 |
|
---|
468 | /**
|
---|
469 | * Returns whether devices reported by this backend go through a de/re-attach
|
---|
470 | * and device re-enumeration cycle when they are captured or released.
|
---|
471 | */
|
---|
472 | bool USBProxyBackendSolaris::i_isDevReEnumerationRequired()
|
---|
473 | {
|
---|
474 | return true;
|
---|
475 | }
|
---|
476 |
|
---|
477 |
|
---|
478 | /**
|
---|
479 | * Wrapper called by walkDeviceNode.
|
---|
480 | *
|
---|
481 | * @param pDevice The USB device to free.
|
---|
482 | */
|
---|
483 | void solarisFreeUSBDevice(PUSBDEVICE pDevice)
|
---|
484 | {
|
---|
485 | USBProxyBackend::freeDevice(pDevice);
|
---|
486 | }
|
---|