1 | /* $Id: USBProxyBackendSolaris.cpp 98292 2023-01-25 01:14:53Z 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) 2005-2023 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 | * SPDX-License-Identifier: GPL-3.0-only
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26 | */
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27 |
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28 |
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29 | /*********************************************************************************************************************************
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30 | * Header Files *
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31 | *********************************************************************************************************************************/
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32 | #define LOG_GROUP LOG_GROUP_MAIN_USBPROXYBACKEND
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33 | #include "USBProxyBackend.h"
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34 | #include "LoggingNew.h"
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35 |
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36 | #include <VBox/usb.h>
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37 | #include <VBox/usblib.h>
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38 | #include <iprt/errcore.h>
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39 | #include <iprt/semaphore.h>
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40 | #include <iprt/path.h>
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41 |
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42 | #include <sys/usb/usba.h>
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43 | #include <syslog.h>
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44 |
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45 |
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46 | /*********************************************************************************************************************************
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47 | * Internal Functions *
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48 | *********************************************************************************************************************************/
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49 | static int solarisWalkDeviceNode(di_node_t Node, void *pvArg);
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50 | static void solarisFreeUSBDevice(PUSBDEVICE pDevice);
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51 | static USBDEVICESTATE solarisDetermineUSBDeviceState(PUSBDEVICE pDevice, di_node_t Node);
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52 |
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53 |
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54 | /*********************************************************************************************************************************
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55 | * Structures and Typedefs *
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56 | *********************************************************************************************************************************/
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57 | typedef struct USBDEVICELIST
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58 | {
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59 | PUSBDEVICE pHead;
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60 | PUSBDEVICE pTail;
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61 | } USBDEVICELIST;
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62 | typedef USBDEVICELIST *PUSBDEVICELIST;
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63 |
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64 |
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65 | /**
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66 | * Initialize data members.
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67 | */
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68 | USBProxyBackendSolaris::USBProxyBackendSolaris()
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69 | : USBProxyBackend(), mNotifyEventSem(NIL_RTSEMEVENT), mUSBLibInitialized(false)
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70 | {
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71 | LogFlowThisFunc(("\n"));
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72 | }
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73 |
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74 | USBProxyBackendSolaris::~USBProxyBackendSolaris()
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75 | {
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76 | }
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77 |
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78 | /**
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79 | * Initializes the object (called right after construction).
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80 | *
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81 | * @returns VBox status code.
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82 | */
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83 | int USBProxyBackendSolaris::init(USBProxyService *aUsbProxyService, const com::Utf8Str &strId,
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84 | const com::Utf8Str &strAddress, bool fLoadingSettings)
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85 | {
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86 | USBProxyBackend::init(aUsbProxyService, strId, strAddress, fLoadingSettings);
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87 |
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88 | unconst(m_strBackend) = Utf8Str("host");
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89 |
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90 | /*
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91 | * Create semaphore.
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92 | */
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93 | int vrc = RTSemEventCreate(&mNotifyEventSem);
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94 | if (RT_FAILURE(vrc))
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95 | return vrc;
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96 |
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97 | /*
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98 | * Initialize the USB library.
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99 | */
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100 | vrc = USBLibInit();
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101 | if (RT_FAILURE(vrc))
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102 | {
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103 | /* mNotifyEventSem will be destroyed in uninit */
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104 | return vrc;
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105 | }
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106 |
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107 | mUSBLibInitialized = true;
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108 |
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109 | /*
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110 | * Start the poller thread.
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111 | */
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112 | start();
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113 | return VINF_SUCCESS;
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114 | }
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115 |
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116 |
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117 | /**
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118 | * Stop all service threads and free the device chain.
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119 | */
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120 | void USBProxyBackendSolaris::uninit()
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121 | {
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122 | LogFlowThisFunc(("destruct\n"));
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123 |
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124 | /*
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125 | * Stop the service.
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126 | */
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127 | if (isActive())
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128 | stop();
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129 |
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130 | /*
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131 | * Terminate the USB library
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132 | */
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133 | if (mUSBLibInitialized)
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134 | {
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135 | USBLibTerm();
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136 | mUSBLibInitialized = false;
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137 | }
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138 |
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139 | if (mNotifyEventSem != NIL_RTSEMEVENT)
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140 | {
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141 | RTSemEventDestroy(mNotifyEventSem);
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142 | mNotifyEventSem = NIL_RTSEMEVENT;
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143 | }
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144 | }
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145 |
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146 |
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147 | void *USBProxyBackendSolaris::insertFilter(PCUSBFILTER aFilter)
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148 | {
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149 | return USBLibAddFilter(aFilter);
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150 | }
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151 |
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152 |
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153 | void USBProxyBackendSolaris::removeFilter(void *pvID)
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154 | {
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155 | USBLibRemoveFilter(pvID);
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156 | }
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157 |
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158 |
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159 | int USBProxyBackendSolaris::wait(RTMSINTERVAL aMillies)
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160 | {
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161 | return RTSemEventWait(mNotifyEventSem, aMillies < 1000 ? 1000 : RT_MIN(aMillies, 5000));
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162 | }
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163 |
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164 |
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165 | int USBProxyBackendSolaris::interruptWait(void)
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166 | {
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167 | return RTSemEventSignal(mNotifyEventSem);
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168 | }
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169 |
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170 |
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171 | PUSBDEVICE USBProxyBackendSolaris::getDevices(void)
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172 | {
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173 | USBDEVICELIST DevList;
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174 | DevList.pHead = NULL;
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175 | DevList.pTail = NULL;
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176 | di_node_t RootNode = di_init("/", DINFOCPYALL);
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177 | if (RootNode != DI_NODE_NIL)
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178 | di_walk_node(RootNode, DI_WALK_CLDFIRST, &DevList, solarisWalkDeviceNode);
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179 |
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180 | di_fini(RootNode);
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181 | return DevList.pHead;
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182 | }
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183 |
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184 |
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185 | static int solarisWalkDeviceNode(di_node_t Node, void *pvArg)
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186 | {
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187 | PUSBDEVICELIST pList = (PUSBDEVICELIST)pvArg;
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188 | AssertPtrReturn(pList, DI_WALK_TERMINATE);
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189 |
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190 | /*
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191 | * Check if it's a USB device in the first place.
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192 | */
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193 | bool fUSBDevice = false;
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194 | char *pszCompatNames = NULL;
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195 | int cCompatNames = di_compatible_names(Node, &pszCompatNames);
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196 | for (int i = 0; i < cCompatNames; i++, pszCompatNames += strlen(pszCompatNames) + 1)
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197 | if (!strncmp(pszCompatNames, RT_STR_TUPLE("usb")))
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198 | {
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199 | fUSBDevice = true;
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200 | break;
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201 | }
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202 |
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203 | if (!fUSBDevice)
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204 | return DI_WALK_CONTINUE;
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205 |
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206 | /*
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207 | * Check if it's a device node or interface.
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208 | */
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209 | int *pInt = NULL;
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210 | char *pStr = NULL;
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211 | int iRc = DI_WALK_CONTINUE;
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212 | if (di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "interface", &pInt) < 0)
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213 | {
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214 | /* It's a device node. */
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215 | char *pszDevicePath = di_devfs_path(Node);
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216 | PUSBDEVICE pCur = (PUSBDEVICE)RTMemAllocZ(sizeof(*pCur));
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217 | if (!pCur)
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218 | {
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219 | LogRel(("USBService: failed to allocate %d bytes for PUSBDEVICE.\n", sizeof(*pCur)));
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220 | return DI_WALK_TERMINATE;
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221 | }
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222 |
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223 | bool fValidDevice = false;
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224 | do
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225 | {
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226 | AssertBreak(pszDevicePath);
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227 |
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228 | char *pszDriverName = di_driver_name(Node);
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229 |
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230 | /*
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231 | * Skip hubs
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232 | */
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233 | if ( pszDriverName
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234 | && !strcmp(pszDriverName, "hubd"))
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235 | {
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236 | break;
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237 | }
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238 |
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239 | /*
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240 | * Mandatory.
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241 | * snv_85 and above have usb-dev-descriptor node properties, but older one's do not.
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242 | * So if we cannot obtain the entire device descriptor, we try falling back to the
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243 | * individual properties (those must not fail, if it does we drop the device).
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244 | */
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245 | uchar_t *pDevData = NULL;
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246 | int cbProp = di_prop_lookup_bytes(DDI_DEV_T_ANY, Node, "usb-dev-descriptor", &pDevData);
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247 | if ( cbProp > 0
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248 | && pDevData)
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249 | {
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250 | usb_dev_descr_t *pDeviceDescriptor = (usb_dev_descr_t *)pDevData;
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251 | pCur->bDeviceClass = pDeviceDescriptor->bDeviceClass;
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252 | pCur->bDeviceSubClass = pDeviceDescriptor->bDeviceSubClass;
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253 | pCur->bDeviceProtocol = pDeviceDescriptor->bDeviceProtocol;
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254 | pCur->idVendor = pDeviceDescriptor->idVendor;
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255 | pCur->idProduct = pDeviceDescriptor->idProduct;
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256 | pCur->bcdDevice = pDeviceDescriptor->bcdDevice;
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257 | pCur->bcdUSB = pDeviceDescriptor->bcdUSB;
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258 | pCur->bNumConfigurations = pDeviceDescriptor->bNumConfigurations;
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259 | pCur->fPartialDescriptor = false;
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260 | }
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261 | else
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262 | {
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263 | AssertBreak(di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "usb-vendor-id", &pInt) > 0);
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264 | pCur->idVendor = (uint16_t)*pInt;
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265 |
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266 | AssertBreak(di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "usb-product-id", &pInt) > 0);
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267 | pCur->idProduct = (uint16_t)*pInt;
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268 |
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269 | AssertBreak(di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "usb-revision-id", &pInt) > 0);
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270 | pCur->bcdDevice = (uint16_t)*pInt;
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271 |
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272 | AssertBreak(di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "usb-release", &pInt) > 0);
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273 | pCur->bcdUSB = (uint16_t)*pInt;
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274 |
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275 | pCur->fPartialDescriptor = true;
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276 | }
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277 |
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278 | char *pszPortAddr = di_bus_addr(Node);
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279 | if (pszPortAddr)
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280 | pCur->bPort = RTStrToUInt8(pszPortAddr); /* Bus & Port are mixed up (kernel driver/userland) */
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281 | else
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282 | pCur->bPort = 0;
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283 |
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284 | char szBuf[PATH_MAX + 48];
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285 | RTStrPrintf(szBuf, sizeof(szBuf), "%#x:%#x:%d:%s", pCur->idVendor, pCur->idProduct, pCur->bcdDevice, pszDevicePath);
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286 | pCur->pszAddress = RTStrDup(szBuf);
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287 | AssertBreak(pCur->pszAddress);
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288 |
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289 | pCur->pszDevicePath = RTStrDup(pszDevicePath);
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290 | AssertBreak(pCur->pszDevicePath);
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291 |
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292 | pCur->pszBackend = RTStrDup("host");
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293 | AssertBreak(pCur->pszBackend);
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294 |
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295 | /*
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296 | * Optional (some devices don't have all these)
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297 | */
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298 | char *pszCopy;
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299 | if (di_prop_lookup_strings(DDI_DEV_T_ANY, Node, "usb-product-name", &pStr) > 0)
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300 | {
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301 | pCur->pszProduct = pszCopy = RTStrDup(pStr);
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302 | USBLibPurgeEncoding(pszCopy);
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303 | }
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304 |
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305 | if (di_prop_lookup_strings(DDI_DEV_T_ANY, Node, "usb-vendor-name", &pStr) > 0)
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306 | {
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307 | pCur->pszManufacturer = pszCopy = RTStrDup(pStr);
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308 | USBLibPurgeEncoding(pszCopy);
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309 | }
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310 |
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311 | if (di_prop_lookup_strings(DDI_DEV_T_ANY, Node, "usb-serialno", &pStr) > 0)
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312 | {
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313 | pCur->pszSerialNumber = pszCopy = RTStrDup(pStr);
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314 | USBLibPurgeEncoding(pszCopy);
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315 | }
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316 |
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317 | if (pCur->bcdUSB == 0x300)
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318 | pCur->enmSpeed = USBDEVICESPEED_SUPER;
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319 | else if (di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "low-speed", &pInt) >= 0)
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320 | pCur->enmSpeed = USBDEVICESPEED_LOW;
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321 | else if (di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "high-speed", &pInt) >= 0)
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322 | pCur->enmSpeed = USBDEVICESPEED_HIGH;
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323 | else
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324 | pCur->enmSpeed = USBDEVICESPEED_FULL;
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325 |
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326 | /* Determine state of the USB device. */
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327 | pCur->enmState = solarisDetermineUSBDeviceState(pCur, Node);
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328 |
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329 | /*
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330 | * Valid device, add it to the list.
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331 | */
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332 | fValidDevice = true;
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333 | pCur->pPrev = pList->pTail;
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334 | if (pList->pTail)
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335 | pList->pTail = pList->pTail->pNext = pCur;
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336 | else
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337 | pList->pTail = pList->pHead = pCur;
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338 |
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339 | iRc = DI_WALK_CONTINUE;
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340 | } while (0);
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341 |
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342 | di_devfs_path_free(pszDevicePath);
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343 | if (!fValidDevice)
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344 | solarisFreeUSBDevice(pCur);
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345 | }
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346 | return iRc;
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347 | }
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348 |
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349 |
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350 | static USBDEVICESTATE solarisDetermineUSBDeviceState(PUSBDEVICE pDevice, di_node_t Node)
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351 | {
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352 | char *pszDriverName = di_driver_name(Node);
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353 |
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354 | /* Not possible unless a user explicitly unbinds the default driver. */
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355 | if (!pszDriverName)
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356 | return USBDEVICESTATE_UNUSED;
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357 |
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358 | if (!strncmp(pszDriverName, RT_STR_TUPLE(VBOXUSB_DRIVER_NAME)))
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359 | return USBDEVICESTATE_HELD_BY_PROXY;
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360 |
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361 | NOREF(pDevice);
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362 | return USBDEVICESTATE_USED_BY_HOST_CAPTURABLE;
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363 | }
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364 |
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365 |
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366 | int USBProxyBackendSolaris::captureDevice(HostUSBDevice *aDevice)
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367 | {
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368 | /*
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369 | * Check preconditions.
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370 | */
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371 | AssertReturn(aDevice, VERR_GENERAL_FAILURE);
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372 | AssertReturn(!aDevice->isWriteLockOnCurrentThread(), VERR_GENERAL_FAILURE);
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373 |
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374 | AutoReadLock devLock(aDevice COMMA_LOCKVAL_SRC_POS);
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375 | LogFlowThisFunc(("aDevice=%s\n", aDevice->i_getName().c_str()));
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376 |
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377 | Assert(aDevice->i_getUnistate() == kHostUSBDeviceState_Capturing);
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378 | AssertReturn(aDevice->i_getUsbData(), VERR_INVALID_POINTER);
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379 |
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380 | /*
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381 | * Create a one-shot capture filter for the device and reset the device.
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382 | */
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383 | USBFILTER Filter;
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384 | USBFilterInit(&Filter, USBFILTERTYPE_ONESHOT_CAPTURE);
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385 | initFilterFromDevice(&Filter, aDevice);
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386 |
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387 | void *pvId = USBLibAddFilter(&Filter);
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388 | if (!pvId)
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389 | {
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390 | LogRel(("USBService: failed to add filter\n"));
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391 | return VERR_GENERAL_FAILURE;
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392 | }
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393 |
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394 | PUSBDEVICE pDev = aDevice->i_getUsbData();
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395 | int vrc = USBLibResetDevice(pDev->pszDevicePath, true);
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396 | if (RT_SUCCESS(vrc))
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397 | aDevice->i_setBackendUserData(pvId);
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398 | else
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399 | {
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400 | USBLibRemoveFilter(pvId);
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401 | pvId = NULL;
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402 | }
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403 | LogFlowThisFunc(("returns %Rrc pvId=%p\n", vrc, pvId));
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404 | return vrc;
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405 | }
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406 |
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407 |
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408 | void USBProxyBackendSolaris::captureDeviceCompleted(HostUSBDevice *aDevice, bool aSuccess)
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409 | {
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410 | AssertReturnVoid(aDevice->isWriteLockOnCurrentThread());
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411 | /*
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412 | * Remove the one-shot filter if necessary.
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413 | */
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414 | LogFlowThisFunc(("aDevice=%s aSuccess=%RTbool mOneShotId=%p\n", aDevice->i_getName().c_str(), aSuccess, aDevice->i_getBackendUserData()));
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415 | if (!aSuccess && aDevice->i_getBackendUserData())
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416 | USBLibRemoveFilter(aDevice->i_getBackendUserData());
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417 | aDevice->i_setBackendUserData(NULL);
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418 | USBProxyBackend::captureDeviceCompleted(aDevice, aSuccess);
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419 | }
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420 |
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421 |
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422 | int USBProxyBackendSolaris::releaseDevice(HostUSBDevice *aDevice)
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423 | {
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424 | /*
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425 | * Check preconditions.
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426 | */
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427 | AssertReturn(aDevice, VERR_GENERAL_FAILURE);
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428 | AssertReturn(!aDevice->isWriteLockOnCurrentThread(), VERR_GENERAL_FAILURE);
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429 |
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430 | AutoReadLock devLock(aDevice COMMA_LOCKVAL_SRC_POS);
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431 | LogFlowThisFunc(("aDevice=%s\n", aDevice->i_getName().c_str()));
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432 |
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433 | Assert(aDevice->i_getUnistate() == kHostUSBDeviceState_ReleasingToHost);
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434 | AssertReturn(aDevice->i_getUsbData(), VERR_INVALID_POINTER);
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435 |
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436 | /*
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437 | * Create a one-shot ignore filter for the device and reset it.
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438 | */
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439 | USBFILTER Filter;
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440 | USBFilterInit(&Filter, USBFILTERTYPE_ONESHOT_IGNORE);
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441 | initFilterFromDevice(&Filter, aDevice);
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442 |
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443 | void *pvId = USBLibAddFilter(&Filter);
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444 | if (!pvId)
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445 | {
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446 | LogRel(("USBService: Adding ignore filter failed!\n"));
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447 | return VERR_GENERAL_FAILURE;
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---|
448 | }
|
---|
449 |
|
---|
450 | PUSBDEVICE pDev = aDevice->i_getUsbData();
|
---|
451 | int vrc = USBLibResetDevice(pDev->pszDevicePath, true /* Re-attach */);
|
---|
452 | if (RT_SUCCESS(vrc))
|
---|
453 | aDevice->i_setBackendUserData(pvId);
|
---|
454 | else
|
---|
455 | {
|
---|
456 | USBLibRemoveFilter(pvId);
|
---|
457 | pvId = NULL;
|
---|
458 | }
|
---|
459 | LogFlowThisFunc(("returns %Rrc pvId=%p\n", vrc, pvId));
|
---|
460 | return vrc;
|
---|
461 | }
|
---|
462 |
|
---|
463 |
|
---|
464 | void USBProxyBackendSolaris::releaseDeviceCompleted(HostUSBDevice *aDevice, bool aSuccess)
|
---|
465 | {
|
---|
466 | AssertReturnVoid(aDevice->isWriteLockOnCurrentThread());
|
---|
467 | /*
|
---|
468 | * Remove the one-shot filter if necessary.
|
---|
469 | */
|
---|
470 | LogFlowThisFunc(("aDevice=%s aSuccess=%RTbool mOneShotId=%p\n", aDevice->i_getName().c_str(), aSuccess, aDevice->i_getBackendUserData()));
|
---|
471 | if (!aSuccess && aDevice->i_getBackendUserData())
|
---|
472 | USBLibRemoveFilter(aDevice->i_getBackendUserData());
|
---|
473 | aDevice->i_setBackendUserData(NULL);
|
---|
474 | USBProxyBackend::releaseDeviceCompleted(aDevice, aSuccess);
|
---|
475 | }
|
---|
476 |
|
---|
477 |
|
---|
478 | /**
|
---|
479 | * Returns whether devices reported by this backend go through a de/re-attach
|
---|
480 | * and device re-enumeration cycle when they are captured or released.
|
---|
481 | */
|
---|
482 | bool USBProxyBackendSolaris::i_isDevReEnumerationRequired()
|
---|
483 | {
|
---|
484 | return true;
|
---|
485 | }
|
---|
486 |
|
---|
487 |
|
---|
488 | /**
|
---|
489 | * Wrapper called by walkDeviceNode.
|
---|
490 | *
|
---|
491 | * @param pDevice The USB device to free.
|
---|
492 | */
|
---|
493 | void solarisFreeUSBDevice(PUSBDEVICE pDevice)
|
---|
494 | {
|
---|
495 | USBProxyBackend::freeDevice(pDevice);
|
---|
496 | }
|
---|