[13607] | 1 | /* $Id: KeyboardImpl.cpp 73003 2018-07-09 11:09:32Z vboxsync $ */
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[1] | 2 | /** @file
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| 3 | * VirtualBox COM class implementation
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| 4 | */
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| 5 |
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| 6 | /*
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[69500] | 7 | * Copyright (C) 2006-2017 Oracle Corporation
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[1] | 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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[5999] | 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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[1] | 16 | */
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| 17 |
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[67914] | 18 | #define LOG_GROUP LOG_GROUP_MAIN_KEYBOARD
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| 19 | #include "LoggingNew.h"
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| 20 |
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[1] | 21 | #include "KeyboardImpl.h"
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| 22 | #include "ConsoleImpl.h"
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| 23 |
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[25860] | 24 | #include "AutoCaller.h"
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[1] | 25 |
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[11661] | 26 | #include <VBox/com/array.h>
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[35346] | 27 | #include <VBox/vmm/pdmdrv.h>
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[30681] | 28 |
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[1] | 29 | #include <iprt/asm.h>
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[30681] | 30 | #include <iprt/cpp/utils.h>
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[1] | 31 |
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| 32 | // defines
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| 33 | ////////////////////////////////////////////////////////////////////////////////
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| 34 |
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| 35 | // globals
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| 36 | ////////////////////////////////////////////////////////////////////////////////
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| 37 |
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[28909] | 38 | /** @name Keyboard device capabilities bitfield
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| 39 | * @{ */
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| 40 | enum
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| 41 | {
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| 42 | /** The keyboard device does not wish to receive keystrokes. */
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| 43 | KEYBOARD_DEVCAP_DISABLED = 0,
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| 44 | /** The keyboard device does wishes to receive keystrokes. */
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| 45 | KEYBOARD_DEVCAP_ENABLED = 1
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| 46 | };
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| 47 |
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[1] | 48 | /**
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| 49 | * Keyboard driver instance data.
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| 50 | */
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| 51 | typedef struct DRVMAINKEYBOARD
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| 52 | {
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| 53 | /** Pointer to the keyboard object. */
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| 54 | Keyboard *pKeyboard;
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| 55 | /** Pointer to the driver instance structure. */
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| 56 | PPDMDRVINS pDrvIns;
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| 57 | /** Pointer to the keyboard port interface of the driver/device above us. */
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| 58 | PPDMIKEYBOARDPORT pUpPort;
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[28909] | 59 | /** Our keyboard connector interface. */
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[25985] | 60 | PDMIKEYBOARDCONNECTOR IConnector;
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[28909] | 61 | /** The capabilities of this device. */
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| 62 | uint32_t u32DevCaps;
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[1] | 63 | } DRVMAINKEYBOARD, *PDRVMAINKEYBOARD;
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| 64 |
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| 65 |
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| 66 | // constructor / destructor
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| 67 | ////////////////////////////////////////////////////////////////////////////////
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| 68 |
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[27608] | 69 | Keyboard::Keyboard()
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| 70 | : mParent(NULL)
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| 71 | {
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| 72 | }
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[13606] | 73 |
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[27608] | 74 | Keyboard::~Keyboard()
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| 75 | {
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| 76 | }
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| 77 |
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[1] | 78 | HRESULT Keyboard::FinalConstruct()
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| 79 | {
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[28909] | 80 | RT_ZERO(mpDrv);
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[52924] | 81 | menmLeds = PDMKEYBLEDS_NONE;
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[35638] | 82 | return BaseFinalConstruct();
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[1] | 83 | }
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| 84 |
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| 85 | void Keyboard::FinalRelease()
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| 86 | {
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[13606] | 87 | uninit();
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[35638] | 88 | BaseFinalRelease();
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[1] | 89 | }
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| 90 |
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| 91 | // public methods
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| 92 | ////////////////////////////////////////////////////////////////////////////////
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| 93 |
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| 94 | /**
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| 95 | * Initializes the keyboard object.
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| 96 | *
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| 97 | * @returns COM result indicator
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[65120] | 98 | * @param aParent handle of our parent object
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[1] | 99 | */
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[32718] | 100 | HRESULT Keyboard::init(Console *aParent)
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[1] | 101 | {
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[21878] | 102 | LogFlowThisFunc(("aParent=%p\n", aParent));
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[1] | 103 |
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[26235] | 104 | ComAssertRet(aParent, E_INVALIDARG);
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[1] | 105 |
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[13606] | 106 | /* Enclose the state transition NotReady->InInit->Ready */
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[21878] | 107 | AutoInitSpan autoInitSpan(this);
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| 108 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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[1] | 109 |
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[21878] | 110 | unconst(mParent) = aParent;
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[1] | 111 |
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[33061] | 112 | unconst(mEventSource).createObject();
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[50544] | 113 | HRESULT rc = mEventSource->init();
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[33061] | 114 | AssertComRCReturnRC(rc);
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| 115 |
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[13606] | 116 | /* Confirm a successful initialization */
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| 117 | autoInitSpan.setSucceeded();
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| 118 |
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[1] | 119 | return S_OK;
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| 120 | }
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| 121 |
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| 122 | /**
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| 123 | * Uninitializes the instance and sets the ready flag to FALSE.
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| 124 | * Called either from FinalRelease() or by the parent when it gets destroyed.
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| 125 | */
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| 126 | void Keyboard::uninit()
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| 127 | {
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[21878] | 128 | LogFlowThisFunc(("\n"));
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[1] | 129 |
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[13606] | 130 | /* Enclose the state transition Ready->InUninit->NotReady */
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[21878] | 131 | AutoUninitSpan autoUninitSpan(this);
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[13606] | 132 | if (autoUninitSpan.uninitDone())
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| 133 | return;
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[1] | 134 |
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[28909] | 135 | for (unsigned i = 0; i < KEYBOARD_MAX_DEVICES; ++i)
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| 136 | {
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| 137 | if (mpDrv[i])
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| 138 | mpDrv[i]->pKeyboard = NULL;
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| 139 | mpDrv[i] = NULL;
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| 140 | }
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[13606] | 141 |
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[52924] | 142 | menmLeds = PDMKEYBLEDS_NONE;
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| 143 |
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[27607] | 144 | unconst(mParent) = NULL;
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[33061] | 145 | unconst(mEventSource).setNull();
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[1] | 146 | }
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| 147 |
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| 148 | /**
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| 149 | * Sends a scancode to the keyboard.
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| 150 | *
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| 151 | * @returns COM status code
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[52400] | 152 | * @param aScancode The scancode to send
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[1] | 153 | */
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[52400] | 154 | HRESULT Keyboard::putScancode(LONG aScancode)
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[1] | 155 | {
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[52400] | 156 | std::vector<LONG> scancodes;
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| 157 | scancodes.resize(1);
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| 158 | scancodes[0] = aScancode;
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| 159 | return putScancodes(scancodes, NULL);
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[1] | 160 | }
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| 161 |
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| 162 | /**
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| 163 | * Sends a list of scancodes to the keyboard.
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| 164 | *
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| 165 | * @returns COM status code
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[52400] | 166 | * @param aScancodes Pointer to the first scancode
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| 167 | * @param aCodesStored Address of variable to store the number
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| 168 | * of scancodes that were sent to the keyboard.
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| 169 | This value can be NULL.
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[1] | 170 | */
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[52400] | 171 | HRESULT Keyboard::putScancodes(const std::vector<LONG> &aScancodes,
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| 172 | ULONG *aCodesStored)
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[1] | 173 | {
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[25310] | 174 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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[1] | 175 |
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[28909] | 176 | CHECK_CONSOLE_DRV(mpDrv[0]);
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[1] | 177 |
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[28909] | 178 | /* Send input to the last enabled device. Relies on the fact that
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| 179 | * the USB keyboard is always initialized after the PS/2 keyboard.
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| 180 | */
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| 181 | PPDMIKEYBOARDPORT pUpPort = NULL;
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| 182 | for (int i = KEYBOARD_MAX_DEVICES - 1; i >= 0 ; --i)
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| 183 | {
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| 184 | if (mpDrv[i] && (mpDrv[i]->u32DevCaps & KEYBOARD_DEVCAP_ENABLED))
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| 185 | {
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| 186 | pUpPort = mpDrv[i]->pUpPort;
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| 187 | break;
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| 188 | }
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| 189 | }
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[52400] | 190 |
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[28909] | 191 | /* No enabled keyboard - throw the input away. */
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| 192 | if (!pUpPort)
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[34288] | 193 | {
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[52400] | 194 | if (aCodesStored)
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| 195 | *aCodesStored = (uint32_t)aScancodes.size();
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[34288] | 196 | return S_OK;
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| 197 | }
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[28909] | 198 |
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[13606] | 199 | int vrc = VINF_SUCCESS;
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[1] | 200 |
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[34288] | 201 | uint32_t sent;
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[52400] | 202 | for (sent = 0; (sent < aScancodes.size()) && RT_SUCCESS(vrc); ++sent)
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| 203 | vrc = pUpPort->pfnPutEventScan(pUpPort, (uint8_t)aScancodes[sent]);
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[1] | 204 |
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[52400] | 205 | if (aCodesStored)
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| 206 | *aCodesStored = sent;
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[34012] | 207 |
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[52934] | 208 | com::SafeArray<LONG> keys(aScancodes.size());
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| 209 | for (size_t i = 0; i < aScancodes.size(); ++i)
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| 210 | keys[i] = aScancodes[i];
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| 211 |
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[34396] | 212 | VBoxEventDesc evDesc;
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| 213 | evDesc.init(mEventSource, VBoxEventType_OnGuestKeyboard, ComSafeArrayAsInParam(keys));
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| 214 | evDesc.fire(0);
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[34395] | 215 |
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[34288] | 216 | if (RT_FAILURE(vrc))
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[73003] | 217 | return setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
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| 218 | tr("Could not send all scan codes to the virtual keyboard (%Rrc)"),
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| 219 | vrc);
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[34288] | 220 |
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| 221 | return S_OK;
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[1] | 222 | }
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| 223 |
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| 224 | /**
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| 225 | * Sends Control-Alt-Delete to the keyboard. This could be done otherwise
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| 226 | * but it's so common that we'll be nice and supply a convenience API.
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| 227 | *
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| 228 | * @returns COM status code
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| 229 | *
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| 230 | */
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[52400] | 231 | HRESULT Keyboard::putCAD()
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[1] | 232 | {
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[63147] | 233 | std::vector<LONG> cadSequence;
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[52400] | 234 | cadSequence.resize(8);
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[1] | 235 |
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[26186] | 236 | cadSequence[0] = 0x1d; // Ctrl down
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| 237 | cadSequence[1] = 0x38; // Alt down
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[36724] | 238 | cadSequence[2] = 0xe0; // Del down 1
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| 239 | cadSequence[3] = 0x53; // Del down 2
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| 240 | cadSequence[4] = 0xe0; // Del up 1
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| 241 | cadSequence[5] = 0xd3; // Del up 2
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| 242 | cadSequence[6] = 0xb8; // Alt up
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| 243 | cadSequence[7] = 0x9d; // Ctrl up
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[13606] | 244 |
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[52400] | 245 | return putScancodes(cadSequence, NULL);
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[1] | 246 | }
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| 247 |
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[49386] | 248 | /**
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| 249 | * Releases all currently held keys in the virtual keyboard.
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| 250 | *
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| 251 | * @returns COM status code
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| 252 | *
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| 253 | */
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[52400] | 254 | HRESULT Keyboard::releaseKeys()
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[49386] | 255 | {
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[52400] | 256 | std::vector<LONG> scancodes;
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| 257 | scancodes.resize(1);
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[49386] | 258 | scancodes[0] = 0xFC; /* Magic scancode, see PS/2 and USB keyboard devices. */
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[52400] | 259 | return putScancodes(scancodes, NULL);
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[49386] | 260 | }
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| 261 |
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[52924] | 262 | HRESULT Keyboard::getKeyboardLEDs(std::vector<KeyboardLED_T> &aKeyboardLEDs)
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| 263 | {
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| 264 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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[52400] | 265 |
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[52924] | 266 | aKeyboardLEDs.resize(0);
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| 267 |
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| 268 | if (menmLeds & PDMKEYBLEDS_NUMLOCK) aKeyboardLEDs.push_back(KeyboardLED_NumLock);
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| 269 | if (menmLeds & PDMKEYBLEDS_CAPSLOCK) aKeyboardLEDs.push_back(KeyboardLED_CapsLock);
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| 270 | if (menmLeds & PDMKEYBLEDS_SCROLLLOCK) aKeyboardLEDs.push_back(KeyboardLED_ScrollLock);
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| 271 |
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| 272 | return S_OK;
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| 273 | }
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| 274 |
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[52400] | 275 | HRESULT Keyboard::getEventSource(ComPtr<IEventSource> &aEventSource)
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[33061] | 276 | {
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[52400] | 277 | // No need to lock - lifetime constant
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| 278 | mEventSource.queryInterfaceTo(aEventSource.asOutParam());
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[33061] | 279 |
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| 280 | return S_OK;
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| 281 | }
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| 282 |
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[1] | 283 | //
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| 284 | // private methods
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| 285 | //
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[52924] | 286 | void Keyboard::onKeyboardLedsChange(PDMKEYBLEDS enmLeds)
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| 287 | {
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| 288 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
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| 289 |
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| 290 | /* Save the current status. */
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| 291 | menmLeds = enmLeds;
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| 292 |
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| 293 | alock.release();
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| 294 |
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| 295 | i_getParent()->i_onKeyboardLedsChange(RT_BOOL(enmLeds & PDMKEYBLEDS_NUMLOCK),
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| 296 | RT_BOOL(enmLeds & PDMKEYBLEDS_CAPSLOCK),
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| 297 | RT_BOOL(enmLeds & PDMKEYBLEDS_SCROLLLOCK));
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| 298 | }
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| 299 |
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[52400] | 300 | DECLCALLBACK(void) Keyboard::i_keyboardLedStatusChange(PPDMIKEYBOARDCONNECTOR pInterface, PDMKEYBLEDS enmLeds)
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[45029] | 301 | {
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[51096] | 302 | PDRVMAINKEYBOARD pDrv = RT_FROM_MEMBER(pInterface, DRVMAINKEYBOARD, IConnector);
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[52924] | 303 | pDrv->pKeyboard->onKeyboardLedsChange(enmLeds);
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[45029] | 304 | }
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| 305 |
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[1] | 306 | /**
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[45029] | 307 | * @interface_method_impl{PDMIKEYBOARDCONNECTOR,pfnSetActive}
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| 308 | */
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[52400] | 309 | DECLCALLBACK(void) Keyboard::i_keyboardSetActive(PPDMIKEYBOARDCONNECTOR pInterface, bool fActive)
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[45029] | 310 | {
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[51096] | 311 | PDRVMAINKEYBOARD pDrv = RT_FROM_MEMBER(pInterface, DRVMAINKEYBOARD, IConnector);
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[45029] | 312 | if (fActive)
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| 313 | pDrv->u32DevCaps |= KEYBOARD_DEVCAP_ENABLED;
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| 314 | else
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| 315 | pDrv->u32DevCaps &= ~KEYBOARD_DEVCAP_ENABLED;
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| 316 | }
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| 317 |
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| 318 |
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| 319 | /**
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[25966] | 320 | * @interface_method_impl{PDMIBASE,pfnQueryInterface}
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[1] | 321 | */
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[52400] | 322 | DECLCALLBACK(void *) Keyboard::i_drvQueryInterface(PPDMIBASE pInterface, const char *pszIID)
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[1] | 323 | {
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[25966] | 324 | PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
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| 325 | PDRVMAINKEYBOARD pDrv = PDMINS_2_DATA(pDrvIns, PDRVMAINKEYBOARD);
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[25985] | 326 |
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| 327 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
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| 328 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIKEYBOARDCONNECTOR, &pDrv->IConnector);
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[25966] | 329 | return NULL;
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[1] | 330 | }
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| 331 |
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| 332 |
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| 333 | /**
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| 334 | * Destruct a keyboard driver instance.
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| 335 | *
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[58170] | 336 | * @returns VBox status code.
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[1] | 337 | * @param pDrvIns The driver instance data.
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| 338 | */
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[52400] | 339 | DECLCALLBACK(void) Keyboard::i_drvDestruct(PPDMDRVINS pDrvIns)
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[1] | 340 | {
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[45029] | 341 | PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
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[45030] | 342 | PDRVMAINKEYBOARD pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINKEYBOARD);
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[1] | 343 | LogFlow(("Keyboard::drvDestruct: iInstance=%d\n", pDrvIns->iInstance));
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[26001] | 344 |
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[45030] | 345 | if (pThis->pKeyboard)
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[1] | 346 | {
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[45030] | 347 | AutoWriteLock kbdLock(pThis->pKeyboard COMMA_LOCKVAL_SRC_POS);
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[28909] | 348 | for (unsigned cDev = 0; cDev < KEYBOARD_MAX_DEVICES; ++cDev)
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[45030] | 349 | if (pThis->pKeyboard->mpDrv[cDev] == pThis)
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[28909] | 350 | {
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[45030] | 351 | pThis->pKeyboard->mpDrv[cDev] = NULL;
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[28909] | 352 | break;
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| 353 | }
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[1] | 354 | }
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| 355 | }
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| 356 |
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| 357 | /**
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| 358 | * Construct a keyboard driver instance.
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| 359 | *
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[22277] | 360 | * @copydoc FNPDMDRVCONSTRUCT
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[1] | 361 | */
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[52400] | 362 | DECLCALLBACK(int) Keyboard::i_drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
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[1] | 363 | {
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[63244] | 364 | RT_NOREF(fFlags);
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[45029] | 365 | PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
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[45030] | 366 | PDRVMAINKEYBOARD pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINKEYBOARD);
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[1] | 367 | LogFlow(("Keyboard::drvConstruct: iInstance=%d\n", pDrvIns->iInstance));
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| 368 |
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| 369 | /*
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| 370 | * Validate configuration.
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| 371 | */
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[32718] | 372 | if (!CFGMR3AreValuesValid(pCfg, "Object\0"))
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[1] | 373 | return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;
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[25149] | 374 | AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
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[22277] | 375 | ("Configuration error: Not possible to attach anything to this driver!\n"),
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| 376 | VERR_PDM_DRVINS_NO_ATTACH);
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[1] | 377 |
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| 378 | /*
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| 379 | * IBase.
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| 380 | */
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[52400] | 381 | pDrvIns->IBase.pfnQueryInterface = Keyboard::i_drvQueryInterface;
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[1] | 382 |
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[52400] | 383 | pThis->IConnector.pfnLedStatusChange = i_keyboardLedStatusChange;
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| 384 | pThis->IConnector.pfnSetActive = Keyboard::i_keyboardSetActive;
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[1] | 385 |
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| 386 | /*
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| 387 | * Get the IKeyboardPort interface of the above driver/device.
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| 388 | */
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[45030] | 389 | pThis->pUpPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIKEYBOARDPORT);
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| 390 | if (!pThis->pUpPort)
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[1] | 391 | {
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[32718] | 392 | AssertMsgFailed(("Configuration error: No keyboard port interface above!\n"));
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[1] | 393 | return VERR_PDM_MISSING_INTERFACE_ABOVE;
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| 394 | }
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| 395 |
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| 396 | /*
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| 397 | * Get the Keyboard object pointer and update the mpDrv member.
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| 398 | */
|
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| 399 | void *pv;
|
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[32718] | 400 | int rc = CFGMR3QueryPtr(pCfg, "Object", &pv);
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[21878] | 401 | if (RT_FAILURE(rc))
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[1] | 402 | {
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[32718] | 403 | AssertMsgFailed(("Configuration error: No/bad \"Object\" value! rc=%Rrc\n", rc));
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[1] | 404 | return rc;
|
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| 405 | }
|
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[45030] | 406 | pThis->pKeyboard = (Keyboard *)pv; /** @todo Check this cast! */
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[28909] | 407 | unsigned cDev;
|
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| 408 | for (cDev = 0; cDev < KEYBOARD_MAX_DEVICES; ++cDev)
|
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[45030] | 409 | if (!pThis->pKeyboard->mpDrv[cDev])
|
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[28909] | 410 | {
|
---|
[45030] | 411 | pThis->pKeyboard->mpDrv[cDev] = pThis;
|
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[28909] | 412 | break;
|
---|
| 413 | }
|
---|
| 414 | if (cDev == KEYBOARD_MAX_DEVICES)
|
---|
| 415 | return VERR_NO_MORE_HANDLES;
|
---|
[1] | 416 |
|
---|
| 417 | return VINF_SUCCESS;
|
---|
| 418 | }
|
---|
| 419 |
|
---|
| 420 |
|
---|
| 421 | /**
|
---|
| 422 | * Keyboard driver registration record.
|
---|
| 423 | */
|
---|
| 424 | const PDMDRVREG Keyboard::DrvReg =
|
---|
| 425 | {
|
---|
| 426 | /* u32Version */
|
---|
| 427 | PDM_DRVREG_VERSION,
|
---|
[26166] | 428 | /* szName */
|
---|
[1] | 429 | "MainKeyboard",
|
---|
[25893] | 430 | /* szRCMod */
|
---|
| 431 | "",
|
---|
| 432 | /* szR0Mod */
|
---|
| 433 | "",
|
---|
[1] | 434 | /* pszDescription */
|
---|
| 435 | "Main keyboard driver (Main as in the API).",
|
---|
| 436 | /* fFlags */
|
---|
| 437 | PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
|
---|
| 438 | /* fClass. */
|
---|
| 439 | PDM_DRVREG_CLASS_KEYBOARD,
|
---|
| 440 | /* cMaxInstances */
|
---|
[40282] | 441 | ~0U,
|
---|
[1] | 442 | /* cbInstance */
|
---|
| 443 | sizeof(DRVMAINKEYBOARD),
|
---|
| 444 | /* pfnConstruct */
|
---|
[52400] | 445 | Keyboard::i_drvConstruct,
|
---|
[1] | 446 | /* pfnDestruct */
|
---|
[52400] | 447 | Keyboard::i_drvDestruct,
|
---|
[25893] | 448 | /* pfnRelocate */
|
---|
| 449 | NULL,
|
---|
[1] | 450 | /* pfnIOCtl */
|
---|
| 451 | NULL,
|
---|
| 452 | /* pfnPowerOn */
|
---|
| 453 | NULL,
|
---|
| 454 | /* pfnReset */
|
---|
| 455 | NULL,
|
---|
| 456 | /* pfnSuspend */
|
---|
| 457 | NULL,
|
---|
| 458 | /* pfnResume */
|
---|
| 459 | NULL,
|
---|
[22277] | 460 | /* pfnAttach */
|
---|
| 461 | NULL,
|
---|
[1] | 462 | /* pfnDetach */
|
---|
[25149] | 463 | NULL,
|
---|
[22277] | 464 | /* pfnPowerOff */
|
---|
[25149] | 465 | NULL,
|
---|
[22277] | 466 | /* pfnSoftReset */
|
---|
| 467 | NULL,
|
---|
| 468 | /* u32EndVersion */
|
---|
| 469 | PDM_DRVREG_VERSION
|
---|
[1] | 470 | };
|
---|
[14772] | 471 | /* vi: set tabstop=4 shiftwidth=4 expandtab: */
|
---|