| 1 | /* $Id: VBoxFsDxe.c 69500 2017-10-28 15:14:05Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBoxFsDxe.c - VirtualBox FS wrapper
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2010-2017 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 |
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| 28 | /*********************************************************************************************************************************
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| 29 | * Header Files *
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| 30 | *********************************************************************************************************************************/
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| 31 | #include <Protocol/ComponentName.h>
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| 32 | #include <Protocol/ComponentName2.h>
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| 33 | #include <Protocol/DriverBinding.h>
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| 34 | #include <Protocol/PciIo.h>
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| 35 | #include <Library/BaseMemoryLib.h>
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| 36 | #include <Library/DebugLib.h>
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| 37 | #include <Library/UefiBootServicesTableLib.h>
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| 38 | #include <Library/UefiLib.h>
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| 39 | #include <IndustryStandard/Pci22.h>
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| 40 |
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| 41 |
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| 42 | /*********************************************************************************************************************************
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| 43 | * Internal Functions *
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| 44 | *********************************************************************************************************************************/
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| 45 | static EFI_STATUS EFIAPI
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| 46 | VBoxFsDB_Supported(IN EFI_DRIVER_BINDING_PROTOCOL *This, IN EFI_HANDLE ControllerHandle,
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| 47 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL);
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| 48 | static EFI_STATUS EFIAPI
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| 49 | VBoxFsDB_Start(IN EFI_DRIVER_BINDING_PROTOCOL *This, IN EFI_HANDLE ControllerHandle,
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| 50 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL);
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| 51 | static EFI_STATUS EFIAPI
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| 52 | VBoxFsDB_Stop(IN EFI_DRIVER_BINDING_PROTOCOL *This, IN EFI_HANDLE ControllerHandle,
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| 53 | IN UINTN NumberOfChildren, IN EFI_HANDLE *ChildHandleBuffer OPTIONAL);
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| 54 |
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| 55 | static EFI_STATUS EFIAPI
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| 56 | VBoxFsCN_GetDriverName(IN EFI_COMPONENT_NAME_PROTOCOL *This,
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| 57 | IN CHAR8 *Language, OUT CHAR16 **DriverName);
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| 58 | static EFI_STATUS EFIAPI
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| 59 | VBoxFsCN_GetControllerName(IN EFI_COMPONENT_NAME_PROTOCOL *This,
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| 60 | IN EFI_HANDLE ControllerHandle,
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| 61 | IN EFI_HANDLE ChildHandle OPTIONAL,
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| 62 | IN CHAR8 *Language, OUT CHAR16 **ControllerName);
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| 63 |
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| 64 | static EFI_STATUS EFIAPI
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| 65 | VBoxFsCN2_GetDriverName(IN EFI_COMPONENT_NAME2_PROTOCOL *This,
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| 66 | IN CHAR8 *Language, OUT CHAR16 **DriverName);
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| 67 | static EFI_STATUS EFIAPI
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| 68 | VBoxFsCN2_GetControllerName(IN EFI_COMPONENT_NAME2_PROTOCOL *This,
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| 69 | IN EFI_HANDLE ControllerHandle,
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| 70 | IN EFI_HANDLE ChildHandle OPTIONAL,
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| 71 | IN CHAR8 *Language, OUT CHAR16 **ControllerName);
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| 72 |
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| 73 |
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| 74 | /** EFI Driver Binding Protocol. */
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| 75 | static EFI_DRIVER_BINDING_PROTOCOL g_VBoxFsDB =
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| 76 | {
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| 77 | VBoxFsDB_Supported,
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| 78 | VBoxFsDB_Start,
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| 79 | VBoxFsDB_Stop,
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| 80 | /* .Version = */ 1,
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| 81 | /* .ImageHandle = */ NULL,
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| 82 | /* .DriverBindingHandle = */ NULL
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| 83 | };
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| 84 |
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| 85 | /** EFI Component Name Protocol. */
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| 86 | static const EFI_COMPONENT_NAME_PROTOCOL g_VBoxFsCN =
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| 87 | {
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| 88 | VBoxFsCN_GetDriverName,
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| 89 | VBoxFsCN_GetControllerName,
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| 90 | "eng"
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| 91 | };
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| 92 |
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| 93 | /** EFI Component Name 2 Protocol. */
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| 94 | static const EFI_COMPONENT_NAME2_PROTOCOL g_VBoxFsCN2 =
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| 95 | {
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| 96 | VBoxFsCN2_GetDriverName,
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| 97 | VBoxFsCN2_GetControllerName,
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| 98 | "en"
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| 99 | };
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| 100 |
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| 101 | /** Driver name translation table. */
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| 102 | static CONST EFI_UNICODE_STRING_TABLE g_aVBoxFsDriverLangAndNames[] =
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| 103 | {
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| 104 | { "eng;en", L"VBox Universal FS Wrapper Driver" },
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| 105 | { NULL, NULL }
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| 106 | };
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| 107 |
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| 108 |
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| 109 |
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| 110 | /**
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| 111 | * VBoxFsDxe entry point.
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| 112 | *
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| 113 | * @returns EFI status code.
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| 114 | *
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| 115 | * @param ImageHandle The image handle.
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| 116 | * @param SystemTable The system table pointer.
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| 117 | */
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| 118 | EFI_STATUS EFIAPI
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| 119 | DxeInitializeVBoxFs(IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)
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| 120 | {
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| 121 | EFI_STATUS rc;
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| 122 | DEBUG((DEBUG_INFO, "DxeInitializeVBoxFsDxe\n"));
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| 123 |
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| 124 | rc = EfiLibInstallDriverBindingComponentName2(ImageHandle, SystemTable,
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| 125 | &g_VBoxFsDB, ImageHandle,
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| 126 | &g_VBoxFsCN, &g_VBoxFsCN2);
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| 127 | ASSERT_EFI_ERROR(rc);
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| 128 | return rc;
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| 129 | }
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| 130 |
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| 131 | EFI_STATUS EFIAPI
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| 132 | DxeUninitializeVBoxFs(IN EFI_HANDLE ImageHandle)
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| 133 | {
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| 134 | return EFI_SUCCESS;
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| 135 | }
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| 136 |
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| 137 |
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| 138 | /**
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| 139 | * @copydoc EFI_DRIVER_BINDING_SUPPORTED
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| 140 | */
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| 141 | static EFI_STATUS EFIAPI
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| 142 | VBoxFsDB_Supported(IN EFI_DRIVER_BINDING_PROTOCOL *This, IN EFI_HANDLE ControllerHandle,
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| 143 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL)
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| 144 | {
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| 145 | EFI_STATUS rcRet = EFI_UNSUPPORTED;
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| 146 | /* EFI_STATUS rc; */
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| 147 |
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| 148 | return rcRet;
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| 149 | }
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| 150 |
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| 151 |
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| 152 | /**
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| 153 | * @copydoc EFI_DRIVER_BINDING_START
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| 154 | */
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| 155 | static EFI_STATUS EFIAPI
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| 156 | VBoxFsDB_Start(IN EFI_DRIVER_BINDING_PROTOCOL *This, IN EFI_HANDLE ControllerHandle,
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| 157 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL)
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| 158 | {
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| 159 | /* EFI_STATUS rc; */
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| 160 |
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| 161 | return EFI_UNSUPPORTED;
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| 162 | }
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| 163 |
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| 164 |
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| 165 | /**
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| 166 | * @copydoc EFI_DRIVER_BINDING_STOP
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| 167 | */
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| 168 | static EFI_STATUS EFIAPI
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| 169 | VBoxFsDB_Stop(IN EFI_DRIVER_BINDING_PROTOCOL *This, IN EFI_HANDLE ControllerHandle,
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| 170 | IN UINTN NumberOfChildren, IN EFI_HANDLE *ChildHandleBuffer OPTIONAL)
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| 171 | {
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| 172 | /* EFI_STATUS rc; */
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| 173 |
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| 174 | return EFI_UNSUPPORTED;
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| 175 | }
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| 176 |
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| 177 |
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| 178 | /** @copydoc EFI_COMPONENT_NAME_GET_DRIVER_NAME */
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| 179 | static EFI_STATUS EFIAPI
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| 180 | VBoxFsCN_GetDriverName(IN EFI_COMPONENT_NAME_PROTOCOL *This,
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| 181 | IN CHAR8 *Language, OUT CHAR16 **DriverName)
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| 182 | {
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| 183 | return LookupUnicodeString2(Language,
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| 184 | This->SupportedLanguages,
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| 185 | &g_aVBoxFsDriverLangAndNames[0],
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| 186 | DriverName,
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| 187 | TRUE);
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| 188 | }
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| 189 |
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| 190 | /** @copydoc EFI_COMPONENT_NAME_GET_CONTROLLER_NAME */
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| 191 | static EFI_STATUS EFIAPI
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| 192 | VBoxFsCN_GetControllerName(IN EFI_COMPONENT_NAME_PROTOCOL *This,
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| 193 | IN EFI_HANDLE ControllerHandle,
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| 194 | IN EFI_HANDLE ChildHandle OPTIONAL,
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| 195 | IN CHAR8 *Language, OUT CHAR16 **ControllerName)
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| 196 | {
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| 197 | /** @todo try query the protocol from the controller and forward the query. */
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| 198 | return EFI_UNSUPPORTED;
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| 199 | }
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| 200 |
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| 201 | /** @copydoc EFI_COMPONENT_NAME2_GET_DRIVER_NAME */
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| 202 | static EFI_STATUS EFIAPI
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| 203 | VBoxFsCN2_GetDriverName(IN EFI_COMPONENT_NAME2_PROTOCOL *This,
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| 204 | IN CHAR8 *Language, OUT CHAR16 **DriverName)
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| 205 | {
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| 206 | return LookupUnicodeString2(Language,
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| 207 | This->SupportedLanguages,
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| 208 | &g_aVBoxFsDriverLangAndNames[0],
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| 209 | DriverName,
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| 210 | FALSE);
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| 211 | }
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| 212 |
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| 213 | /** @copydoc EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME */
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| 214 | static EFI_STATUS EFIAPI
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| 215 | VBoxFsCN2_GetControllerName(IN EFI_COMPONENT_NAME2_PROTOCOL *This,
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| 216 | IN EFI_HANDLE ControllerHandle,
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| 217 | IN EFI_HANDLE ChildHandle OPTIONAL,
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| 218 | IN CHAR8 *Language, OUT CHAR16 **ControllerName)
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| 219 | {
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| 220 | /** @todo try query the protocol from the controller and forward the query. */
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| 221 | return EFI_UNSUPPORTED;
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| 222 | }
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