| 1 | /* $Id: UsbTestServiceGadgetClassTest.cpp 82968 2020-02-04 10:35:17Z vboxsync $ */
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| 2 | /** @file
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| 3 | * UsbTestServ - Remote USB test configuration and execution server, USB gadget class
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| 4 | * for the test device.
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (C) 2016-2020 Oracle Corporation
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| 9 | *
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| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 11 | * available from http://www.virtualbox.org. This file is free software;
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| 12 | * you can redistribute it and/or modify it under the terms of the GNU
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| 13 | * General Public License (GPL) as published by the Free Software
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| 14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 17 | *
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| 18 | * The contents of this file may alternatively be used under the terms
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| 19 | * of the Common Development and Distribution License Version 1.0
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| 20 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 21 | * VirtualBox OSE distribution, in which case the provisions of the
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| 22 | * CDDL are applicable instead of those of the GPL.
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| 23 | *
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| 24 | * You may elect to license modified versions of this file under the
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| 25 | * terms and conditions of either the GPL or the CDDL or both.
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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 | #include <iprt/asm.h>
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| 33 | #include <iprt/ctype.h>
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| 34 | #include <iprt/dir.h>
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| 35 | #include <iprt/err.h>
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| 36 | #include <iprt/env.h>
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| 37 | #include <iprt/mem.h>
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| 38 | #include <iprt/path.h>
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| 39 | #include <iprt/process.h>
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| 40 | #include <iprt/string.h>
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| 41 | #include <iprt/symlink.h>
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| 42 | #include <iprt/thread.h>
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| 43 |
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| 44 | #include <iprt/linux/sysfs.h>
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| 45 |
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| 46 | #include "UsbTestServiceGadgetInternal.h"
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| 47 | #include "UsbTestServicePlatform.h"
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| 48 |
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| 49 |
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| 50 | /*********************************************************************************************************************************
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| 51 | * Constants And Macros, Structures and Typedefs *
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| 52 | *********************************************************************************************************************************/
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| 53 |
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| 54 | /** Default configfs mount point. */
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| 55 | #define UTS_GADGET_CLASS_CONFIGFS_MNT_DEF "/sys/kernel/config/usb_gadget"
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| 56 | /** Gadget template name */
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| 57 | #define UTS_GADGET_TEMPLATE_NAME "gadget_test"
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| 58 |
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| 59 | /** Default vendor ID which is recognized by the usbtest driver. */
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| 60 | #define UTS_GADGET_TEST_VENDOR_ID_DEF UINT16_C(0x0525)
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| 61 | /** Default product ID which is recognized by the usbtest driver. */
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| 62 | #define UTS_GADGET_TEST_PRODUCT_ID_DEF UINT16_C(0xa4a0)
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| 63 | /** Default device class. */
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| 64 | #define UTS_GADGET_TEST_DEVICE_CLASS_DEF UINT8_C(0xff)
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| 65 | /** Default serial number string. */
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| 66 | #define UTS_GADGET_TEST_SERIALNUMBER_DEF "0123456789"
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| 67 | /** Default manufacturer string. */
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| 68 | #define UTS_GADGET_TEST_MANUFACTURER_DEF "Oracle Inc."
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| 69 | /** Default product string. */
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| 70 | #define UTS_GADGET_TEST_PRODUCT_DEF "USB test device"
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| 71 |
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| 72 | /**
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| 73 | * Internal UTS gadget host instance data.
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| 74 | */
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| 75 | typedef struct UTSGADGETCLASSINT
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| 76 | {
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| 77 | /** Gadget template path. */
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| 78 | char *pszGadgetPath;
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| 79 | /** The UDC this gadget is connected to. */
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| 80 | char *pszUdc;
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| 81 | /** Bus identifier for the used UDC. */
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| 82 | uint32_t uBusId;
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| 83 | /** Device identifier. */
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| 84 | uint32_t uDevId;
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| 85 | } UTSGADGETCLASSINT;
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| 86 |
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| 87 |
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| 88 | /*********************************************************************************************************************************
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| 89 | * Global Variables *
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| 90 | *********************************************************************************************************************************/
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| 91 |
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| 92 | /** Number of already created gadgets, used for the template name. */
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| 93 | static volatile uint32_t g_cGadgets = 0;
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| 94 |
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| 95 |
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| 96 | /*********************************************************************************************************************************
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| 97 | * Internal Functions *
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| 98 | *********************************************************************************************************************************/
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| 99 |
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| 100 | /**
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| 101 | * Creates a new directory pointed to by the given format string.
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| 102 | *
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| 103 | * @returns IPRT status code.
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| 104 | * @param pszFormat The format string.
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| 105 | * @param va The arguments.
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| 106 | */
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| 107 | static int utsGadgetClassTestDirCreateV(const char *pszFormat, va_list va)
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| 108 | {
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| 109 | int rc = VINF_SUCCESS;
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| 110 | char aszPath[RTPATH_MAX + 1];
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| 111 |
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| 112 | size_t cbStr = RTStrPrintfV(&aszPath[0], sizeof(aszPath), pszFormat, va);
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| 113 | if (cbStr <= sizeof(aszPath) - 1)
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| 114 | rc = RTDirCreateFullPath(aszPath, 0700);
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| 115 | else
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| 116 | rc = VERR_BUFFER_OVERFLOW;
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| 117 |
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| 118 | return rc;
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| 119 | }
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| 120 |
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| 121 |
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| 122 | /**
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| 123 | * Creates a new directory pointed to by the given format string.
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| 124 | *
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| 125 | * @returns IPRT status code.
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| 126 | * @param pszFormat The format string.
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| 127 | * @param ... The arguments.
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| 128 | */
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| 129 | static int utsGadgetClassTestDirCreate(const char *pszFormat, ...)
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| 130 | {
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| 131 | va_list va;
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| 132 | va_start(va, pszFormat);
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| 133 | int rc = utsGadgetClassTestDirCreateV(pszFormat, va);
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| 134 | va_end(va);
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| 135 | return rc;
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| 136 | }
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| 137 |
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| 138 |
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| 139 | /**
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| 140 | * Removes a directory pointed to by the given format string.
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| 141 | *
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| 142 | * @returns IPRT status code.
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| 143 | * @param pszFormat The format string.
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| 144 | * @param va The arguments.
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| 145 | */
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| 146 | static int utsGadgetClassTestDirRemoveV(const char *pszFormat, va_list va)
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| 147 | {
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| 148 | int rc = VINF_SUCCESS;
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| 149 | char aszPath[RTPATH_MAX + 1];
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| 150 |
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| 151 | size_t cbStr = RTStrPrintfV(&aszPath[0], sizeof(aszPath), pszFormat, va);
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| 152 | if (cbStr <= sizeof(aszPath) - 1)
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| 153 | rc = RTDirRemove(aszPath);
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| 154 | else
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| 155 | rc = VERR_BUFFER_OVERFLOW;
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| 156 |
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| 157 | return rc;
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| 158 | }
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| 159 |
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| 160 |
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| 161 | /**
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| 162 | * Removes a directory pointed to by the given format string.
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| 163 | *
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| 164 | * @returns IPRT status code.
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| 165 | * @param pszFormat The format string.
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| 166 | * @param ... The arguments.
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| 167 | */
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| 168 | static int utsGadgetClassTestDirRemove(const char *pszFormat, ...)
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| 169 | {
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| 170 | va_list va;
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| 171 | va_start(va, pszFormat);
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| 172 | int rc = utsGadgetClassTestDirRemoveV(pszFormat, va);
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| 173 | va_end(va);
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| 174 | return rc;
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| 175 | }
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| 176 |
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| 177 |
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| 178 | /**
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| 179 | * Links the given function to the given config.
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| 180 | *
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| 181 | * @returns IPRT status code.
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| 182 | * @param pClass The gadget class instance data.
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| 183 | * @param pszFunc The function to link.
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| 184 | * @param pszCfg The configuration which the function will be part of.
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| 185 | */
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| 186 | static int utsGadgetClassTestLinkFuncToCfg(PUTSGADGETCLASSINT pClass, const char *pszFunc, const char *pszCfg)
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| 187 | {
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| 188 | int rc = VINF_SUCCESS;
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| 189 | char aszPathFunc[RTPATH_MAX + 1];
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| 190 | char aszPathCfg[RTPATH_MAX + 1];
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| 191 |
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| 192 | size_t cbStr = RTStrPrintf(&aszPathFunc[0], sizeof(aszPathFunc), "%s/functions/%s",
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| 193 | pClass->pszGadgetPath, pszFunc);
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| 194 | if (cbStr <= sizeof(aszPathFunc) - 1)
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| 195 | {
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| 196 | cbStr = RTStrPrintf(&aszPathCfg[0], sizeof(aszPathCfg), "%s/configs/%s/%s",
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| 197 | pClass->pszGadgetPath, pszCfg, pszFunc);
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| 198 | if (cbStr <= sizeof(aszPathCfg) - 1)
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| 199 | rc = RTSymlinkCreate(&aszPathCfg[0], &aszPathFunc[0], RTSYMLINKTYPE_DIR, 0);
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| 200 | else
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| 201 | rc = VERR_BUFFER_OVERFLOW;
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| 202 | }
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| 203 | else
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| 204 | rc = VERR_BUFFER_OVERFLOW;
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| 205 |
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| 206 | return rc;
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| 207 | }
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| 208 |
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| 209 |
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| 210 | /**
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| 211 | * Unlinks the given function from the given configuration.
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| 212 | *
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| 213 | * @returns IPRT status code.
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| 214 | * @param pClass The gadget class instance data.
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| 215 | * @param pszFunc The function to unlink.
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| 216 | * @param pszCfg The configuration which the function is currently part of.
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| 217 | */
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| 218 | static int utsGadgetClassTestUnlinkFuncFromCfg(PUTSGADGETCLASSINT pClass, const char *pszFunc, const char *pszCfg)
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| 219 | {
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| 220 | int rc = VINF_SUCCESS;
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| 221 | char aszPath[RTPATH_MAX + 1];
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| 222 | size_t cbStr = RTStrPrintf(&aszPath[0], sizeof(aszPath), "%s/configs/%s/%s",
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| 223 | pClass->pszGadgetPath, pszCfg, pszFunc);
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| 224 | if (cbStr <= sizeof(aszPath) - 1)
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| 225 | rc = RTSymlinkDelete(&aszPath[0], 0);
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| 226 | else
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| 227 | rc = VERR_BUFFER_OVERFLOW;
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| 228 |
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| 229 | return rc;
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| 230 | }
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| 231 |
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| 232 |
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| 233 | /**
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| 234 | * Cleans up any leftover configurations from the gadget class.
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| 235 | *
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| 236 | * @returns nothing.
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| 237 | * @param pClass The gadget class instance data.
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| 238 | */
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| 239 | static void utsGadgetClassTestCleanup(PUTSGADGETCLASSINT pClass)
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| 240 | {
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| 241 | /* Unbind the gadget from the currently assigned UDC first. */
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| 242 | int rc = RTLinuxSysFsWriteStrFile("", 0, NULL, "%s/UDC", pClass->pszGadgetPath);
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| 243 | AssertRC(rc);
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| 244 |
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| 245 | /* Delete the symlinks, ignore any errors. */
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| 246 | utsGadgetClassTestUnlinkFuncFromCfg(pClass, "Loopback.0", "c.2");
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| 247 | utsGadgetClassTestUnlinkFuncFromCfg(pClass, "SourceSink.0", "c.1");
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| 248 |
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| 249 | /* Delete configuration strings and then the configuration directories. */
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| 250 | utsGadgetClassTestDirRemove("%s/configs/c.2/strings/0x409", pClass->pszGadgetPath);
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| 251 | utsGadgetClassTestDirRemove("%s/configs/c.1/strings/0x409", pClass->pszGadgetPath);
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| 252 |
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| 253 | utsGadgetClassTestDirRemove("%s/configs/c.2", pClass->pszGadgetPath);
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| 254 | utsGadgetClassTestDirRemove("%s/configs/c.1", pClass->pszGadgetPath);
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| 255 |
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| 256 | /* Delete the functions. */
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| 257 | utsGadgetClassTestDirRemove("%s/functions/Loopback.0", pClass->pszGadgetPath);
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| 258 | utsGadgetClassTestDirRemove("%s/functions/SourceSink.0", pClass->pszGadgetPath);
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| 259 |
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| 260 | /* Delete the english strings. */
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| 261 | utsGadgetClassTestDirRemove("%s/strings/0x409", pClass->pszGadgetPath);
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| 262 |
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| 263 | /* Finally delete the gadget template. */
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| 264 | utsGadgetClassTestDirRemove(pClass->pszGadgetPath);
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| 265 |
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| 266 | /* Release the UDC. */
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| 267 | if (pClass->pszUdc)
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| 268 | {
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| 269 | rc = utsPlatformLnxReleaseUDC(pClass->pszUdc);
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| 270 | AssertRC(rc);
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| 271 | RTStrFree(pClass->pszUdc);
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| 272 | }
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| 273 | }
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| 274 |
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| 275 | /**
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| 276 | * @interface_method_impl{UTSGADGETCLASSIF,pfnInit}
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| 277 | */
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| 278 | static DECLCALLBACK(int) utsGadgetClassTestInit(PUTSGADGETCLASSINT pClass, PCUTSGADGETCFGITEM paCfg)
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| 279 | {
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| 280 | int rc = VINF_SUCCESS;
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| 281 |
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| 282 | if (RTLinuxSysFsExists(UTS_GADGET_CLASS_CONFIGFS_MNT_DEF))
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| 283 | {
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| 284 | /* Create the gadget template */
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| 285 | unsigned idx = ASMAtomicIncU32(&g_cGadgets);
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| 286 |
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| 287 | int rcStr = RTStrAPrintf(&pClass->pszGadgetPath, "%s/%s%u", UTS_GADGET_CLASS_CONFIGFS_MNT_DEF,
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| 288 | UTS_GADGET_TEMPLATE_NAME, idx);
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| 289 | if (rcStr == -1)
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| 290 | return VERR_NO_STR_MEMORY;
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| 291 |
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| 292 | rc = utsGadgetClassTestDirCreate(pClass->pszGadgetPath);
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| 293 | if (RT_SUCCESS(rc))
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| 294 | {
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| 295 | uint16_t idVendor = 0;
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| 296 | uint16_t idProduct = 0;
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| 297 | uint8_t bDeviceClass = 0;
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| 298 | char *pszSerial = NULL;
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| 299 | char *pszManufacturer = NULL;
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| 300 | char *pszProduct = NULL;
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| 301 | bool fSuperSpeed = false;
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| 302 |
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| 303 | /* Get basic device config. */
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| 304 | rc = utsGadgetCfgQueryU16Def(paCfg, "Gadget/idVendor", &idVendor, UTS_GADGET_TEST_VENDOR_ID_DEF);
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| 305 | if (RT_SUCCESS(rc))
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| 306 | rc = utsGadgetCfgQueryU16Def(paCfg, "Gadget/idProduct", &idProduct, UTS_GADGET_TEST_PRODUCT_ID_DEF);
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| 307 | if (RT_SUCCESS(rc))
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| 308 | rc = utsGadgetCfgQueryU8Def(paCfg, "Gadget/bDeviceClass", &bDeviceClass, UTS_GADGET_TEST_DEVICE_CLASS_DEF);
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| 309 | if (RT_SUCCESS(rc))
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| 310 | rc = utsGadgetCfgQueryStringDef(paCfg, "Gadget/SerialNumber", &pszSerial, UTS_GADGET_TEST_SERIALNUMBER_DEF);
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| 311 | if (RT_SUCCESS(rc))
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| 312 | rc = utsGadgetCfgQueryStringDef(paCfg, "Gadget/Manufacturer", &pszManufacturer, UTS_GADGET_TEST_MANUFACTURER_DEF);
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| 313 | if (RT_SUCCESS(rc))
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| 314 | rc = utsGadgetCfgQueryStringDef(paCfg, "Gadget/Product", &pszProduct, UTS_GADGET_TEST_PRODUCT_DEF);
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| 315 | if (RT_SUCCESS(rc))
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| 316 | rc = utsGadgetCfgQueryBoolDef(paCfg, "Gadget/SuperSpeed", &fSuperSpeed, false);
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| 317 |
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| 318 | if (RT_SUCCESS(rc))
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| 319 | {
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| 320 | /* Write basic attributes. */
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| 321 | rc = RTLinuxSysFsWriteU16File(16, idVendor, "%s/idVendor", pClass->pszGadgetPath);
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| 322 | if (RT_SUCCESS(rc))
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| 323 | rc = RTLinuxSysFsWriteU16File(16, idProduct, "%s/idProduct", pClass->pszGadgetPath);
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| 324 | if (RT_SUCCESS(rc))
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| 325 | rc = RTLinuxSysFsWriteU16File(16, bDeviceClass, "%s/bDeviceClass", pClass->pszGadgetPath);
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| 326 |
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| 327 | /* Create english language strings. */
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| 328 | if (RT_SUCCESS(rc))
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| 329 | rc = utsGadgetClassTestDirCreate("%s/strings/0x409", pClass->pszGadgetPath);
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| 330 | if (RT_SUCCESS(rc))
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| 331 | rc = RTLinuxSysFsWriteStrFile(pszSerial, 0, NULL, "%s/strings/0x409/serialnumber", pClass->pszGadgetPath);
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| 332 | if (RT_SUCCESS(rc))
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| 333 | rc = RTLinuxSysFsWriteStrFile(pszManufacturer, 0, NULL, "%s/strings/0x409/manufacturer", pClass->pszGadgetPath);
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| 334 | if (RT_SUCCESS(rc))
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| 335 | rc = RTLinuxSysFsWriteStrFile(pszProduct, 0, NULL, "%s/strings/0x409/product", pClass->pszGadgetPath);
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| 336 |
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| 337 | /* Create the gadget functions. */
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| 338 | if (RT_SUCCESS(rc))
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| 339 | rc = utsGadgetClassTestDirCreate("%s/functions/SourceSink.0", pClass->pszGadgetPath);
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| 340 | if (RT_SUCCESS(rc))
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| 341 | rc = utsGadgetClassTestDirCreate("%s/functions/Loopback.0", pClass->pszGadgetPath);
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| 342 |
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| 343 | /* Create the device configs. */
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| 344 | if (RT_SUCCESS(rc))
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| 345 | rc = utsGadgetClassTestDirCreate("%s/configs/c.1", pClass->pszGadgetPath);
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| 346 | if (RT_SUCCESS(rc))
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| 347 | rc = utsGadgetClassTestDirCreate("%s/configs/c.2", pClass->pszGadgetPath);
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| 348 |
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| 349 | /* Write configuration strings. */
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| 350 | if (RT_SUCCESS(rc))
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| 351 | rc = utsGadgetClassTestDirCreate("%s/configs/c.1/strings/0x409", pClass->pszGadgetPath);
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| 352 | if (RT_SUCCESS(rc))
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| 353 | rc = utsGadgetClassTestDirCreate("%s/configs/c.2/strings/0x409", pClass->pszGadgetPath);
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| 354 | if (RT_SUCCESS(rc))
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| 355 | rc = RTLinuxSysFsWriteStrFile("source and sink data", 0, NULL, "%s/configs/c.1/strings/0x409/configuration", pClass->pszGadgetPath);
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| 356 | if (RT_SUCCESS(rc))
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| 357 | rc = RTLinuxSysFsWriteStrFile("loop input to output", 0, NULL, "%s/configs/c.2/strings/0x409/configuration", pClass->pszGadgetPath);
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| 358 |
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| 359 | /* Link the functions into the configurations. */
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| 360 | if (RT_SUCCESS(rc))
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| 361 | rc = utsGadgetClassTestLinkFuncToCfg(pClass, "SourceSink.0", "c.1");
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| 362 | if (RT_SUCCESS(rc))
|
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| 363 | rc = utsGadgetClassTestLinkFuncToCfg(pClass, "Loopback.0", "c.2");
|
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| 364 |
|
|---|
| 365 | /* Finally enable the gadget by attaching it to a UDC. */
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| 366 | if (RT_SUCCESS(rc))
|
|---|
| 367 | {
|
|---|
| 368 | pClass->pszUdc = NULL;
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| 369 |
|
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| 370 | rc = utsPlatformLnxAcquireUDC(fSuperSpeed, &pClass->pszUdc, &pClass->uBusId);
|
|---|
| 371 | if (RT_SUCCESS(rc))
|
|---|
| 372 | rc = RTLinuxSysFsWriteStrFile(pClass->pszUdc, 0, NULL, "%s/UDC", pClass->pszGadgetPath);
|
|---|
| 373 | if (RT_SUCCESS(rc))
|
|---|
| 374 | RTThreadSleep(500); /* Fudge: Sleep a bit to give the device a chance to appear on the host so binding succeeds. */
|
|---|
| 375 | }
|
|---|
| 376 | }
|
|---|
| 377 |
|
|---|
| 378 | if (pszSerial)
|
|---|
| 379 | RTStrFree(pszSerial);
|
|---|
| 380 | if (pszManufacturer)
|
|---|
| 381 | RTStrFree(pszManufacturer);
|
|---|
| 382 | if (pszProduct)
|
|---|
| 383 | RTStrFree(pszProduct);
|
|---|
| 384 | }
|
|---|
| 385 | }
|
|---|
| 386 | else
|
|---|
| 387 | rc = VERR_NOT_FOUND;
|
|---|
| 388 |
|
|---|
| 389 | if (RT_FAILURE(rc))
|
|---|
| 390 | utsGadgetClassTestCleanup(pClass);
|
|---|
| 391 |
|
|---|
| 392 | return rc;
|
|---|
| 393 | }
|
|---|
| 394 |
|
|---|
| 395 |
|
|---|
| 396 | /**
|
|---|
| 397 | * @interface_method_impl{UTSGADGETCLASSIF,pfnTerm}
|
|---|
| 398 | */
|
|---|
| 399 | static DECLCALLBACK(void) utsGadgetClassTestTerm(PUTSGADGETCLASSINT pClass)
|
|---|
| 400 | {
|
|---|
| 401 | utsGadgetClassTestCleanup(pClass);
|
|---|
| 402 |
|
|---|
| 403 | if (pClass->pszGadgetPath)
|
|---|
| 404 | RTStrFree(pClass->pszGadgetPath);
|
|---|
| 405 | }
|
|---|
| 406 |
|
|---|
| 407 |
|
|---|
| 408 | /**
|
|---|
| 409 | * @interface_method_impl{UTSGADGETCLASSIF,pfnGetBusId}
|
|---|
| 410 | */
|
|---|
| 411 | static DECLCALLBACK(uint32_t) utsGadgetClassTestGetBusId(PUTSGADGETCLASSINT pClass)
|
|---|
| 412 | {
|
|---|
| 413 | return pClass->uBusId;
|
|---|
| 414 | }
|
|---|
| 415 |
|
|---|
| 416 |
|
|---|
| 417 | /**
|
|---|
| 418 | * @interface_method_impl{UTSGADGETCLASSIF,pfnConnect}
|
|---|
| 419 | */
|
|---|
| 420 | static DECLCALLBACK(int) utsGadgetClassTestConnect(PUTSGADGETCLASSINT pClass)
|
|---|
| 421 | {
|
|---|
| 422 | int rc = RTLinuxSysFsWriteStrFile("connect", 0, NULL, "/sys/class/udc/%s/soft_connect", pClass->pszUdc);
|
|---|
| 423 | if (RT_SUCCESS(rc))
|
|---|
| 424 | RTThreadSleep(500); /* Fudge: Sleep a bit to give the device a chance to appear on the host so binding succeeds. */
|
|---|
| 425 |
|
|---|
| 426 | return rc;
|
|---|
| 427 | }
|
|---|
| 428 |
|
|---|
| 429 |
|
|---|
| 430 | /**
|
|---|
| 431 | * @interface_method_impl{UTSGADGETCLASSIF,pfnDisconnect}
|
|---|
| 432 | */
|
|---|
| 433 | static DECLCALLBACK(int) utsGadgetClassTestDisconnect(PUTSGADGETCLASSINT pClass)
|
|---|
| 434 | {
|
|---|
| 435 | return RTLinuxSysFsWriteStrFile("disconnect", 0, NULL, "/sys/class/udc/%s/soft_connect", pClass->pszUdc);}
|
|---|
| 436 |
|
|---|
| 437 |
|
|---|
| 438 |
|
|---|
| 439 | /**
|
|---|
| 440 | * The gadget host interface callback table.
|
|---|
| 441 | */
|
|---|
| 442 | const UTSGADGETCLASSIF g_UtsGadgetClassTest =
|
|---|
| 443 | {
|
|---|
| 444 | /** enmType */
|
|---|
| 445 | UTSGADGETCLASS_TEST,
|
|---|
| 446 | /** pszDesc */
|
|---|
| 447 | "UTS test device gadget class",
|
|---|
| 448 | /** cbIf */
|
|---|
| 449 | sizeof(UTSGADGETCLASSINT),
|
|---|
| 450 | /** pfnInit */
|
|---|
| 451 | utsGadgetClassTestInit,
|
|---|
| 452 | /** pfnTerm */
|
|---|
| 453 | utsGadgetClassTestTerm,
|
|---|
| 454 | /** pfnGetBusId */
|
|---|
| 455 | utsGadgetClassTestGetBusId,
|
|---|
| 456 | /** pfnConnect */
|
|---|
| 457 | utsGadgetClassTestConnect,
|
|---|
| 458 | /** pfnDisconnect. */
|
|---|
| 459 | utsGadgetClassTestDisconnect
|
|---|
| 460 | };
|
|---|
| 461 |
|
|---|
