1 | /* $Id: IdeController.c 48674 2013-09-25 08:26:15Z vboxsync $ */
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2 | /** @file
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3 | * IdeController.c
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2009-2010 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 | /** @file
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28 | This driver module produces IDE_CONTROLLER_INIT protocol and will be used by
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29 | IDE Bus driver to support platform dependent timing information. This driver
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30 | is responsible for early initialization of IDE controller.
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31 |
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32 | Copyright (c) 2008 - 2009 Intel Corporation. <BR>
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33 | All rights reserved. This program and the accompanying materials
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34 | are licensed and made available under the terms and conditions of the BSD License
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35 | which accompanies this distribution. The full text of the license may be found at
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36 | http://opensource.org/licenses/bsd-license.php
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37 |
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38 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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39 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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40 |
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41 | **/
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42 |
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43 | #include "IdeController.h"
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44 |
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45 | //
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46 | // EFI_DRIVER_BINDING_PROTOCOL instance
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47 | //
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48 | EFI_DRIVER_BINDING_PROTOCOL gIdeControllerDriverBinding = {
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49 | IdeControllerSupported,
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50 | IdeControllerStart,
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51 | IdeControllerStop,
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52 | 0xa,
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53 | NULL,
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54 | NULL
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55 | };
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56 |
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57 | //
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58 | // EFI_IDE_CONTROLLER_PROVATE_DATA Template
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59 | //
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60 | EFI_IDE_CONTROLLER_INIT_PROTOCOL gEfiIdeControllerInit = {
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61 | IdeInitGetChannelInfo,
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62 | IdeInitNotifyPhase,
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63 | IdeInitSubmitData,
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64 | IdeInitDisqualifyMode,
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65 | IdeInitCalculateMode,
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66 | IdeInitSetTiming,
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67 | ICH_IDE_ENUMER_ALL,
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68 | ICH_IDE_MAX_CHANNEL
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69 | };
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70 |
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71 | //
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72 | // EFI_ATA_COLLECTIVE_MODE Template
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73 | //
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74 | EFI_ATA_COLLECTIVE_MODE gEfiAtaCollectiveModeTemplate = {
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75 | {
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76 | TRUE, // PioMode.Valid
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77 | 0 // PioMode.Mode
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78 | },
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79 | {
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80 | TRUE, // SingleWordDmaMode.Valid
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81 | 0
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82 | },
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83 | {
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84 | FALSE, // MultiWordDmaMode.Valid
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85 | 0
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86 | },
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87 | {
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88 | TRUE, // UdmaMode.Valid
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89 | 0 // UdmaMode.Mode
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90 | }
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91 | };
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92 |
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93 | static BOOLEAN gfIdeAhciEmulation = FALSE;
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94 |
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95 | EFI_STATUS
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96 | EFIAPI
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97 | InitializeIdeControllerDriver (
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98 | IN EFI_HANDLE ImageHandle,
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99 | IN EFI_SYSTEM_TABLE *SystemTable
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100 | )
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101 | /*++
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102 | Routine Description:
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103 |
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104 | Chipset Ide Driver EntryPoint function. It follows the standard EFI driver
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105 | model. It's called by StartImage() of DXE Core
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106 |
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107 | Arguments:
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108 |
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109 | ImageHandle -- While the driver image loaded be the ImageLoader(),
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110 | an image handle is assigned to this driver binary,
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111 | all activities of the driver is tied to this ImageHandle
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112 | *SystemTable -- A pointer to the system table, for all BS(Boo Services) and
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113 | RT(Runtime Services)
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114 |
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115 | Returns:
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116 |
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117 | Always call EfiLibInstallDriverBindingProtocol( ) and return the result
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118 |
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119 | --*/
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120 | {
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121 | EFI_STATUS Status;
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122 |
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123 | //
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124 | // Install driver model protocol(s).
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125 | //
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126 | Status = EfiLibInstallDriverBindingComponentName2 (
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127 | ImageHandle,
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128 | SystemTable,
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129 | &gIdeControllerDriverBinding,
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130 | ImageHandle,
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131 | &gIdeControllerComponentName,
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132 | &gIdeControllerComponentName2
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133 | );
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134 | ASSERT_EFI_ERROR (Status);
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135 |
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136 | return Status;
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137 | }
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138 |
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139 | EFI_STATUS
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140 | EFIAPI
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141 | IdeControllerSupported (
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142 | IN EFI_DRIVER_BINDING_PROTOCOL *This,
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143 | IN EFI_HANDLE Controller,
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144 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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145 | )
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146 | /*++
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147 |
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148 | Routine Description:
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149 |
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150 | Register Driver Binding protocol for this driver.
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151 |
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152 | Arguments:
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153 |
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154 | This -- a pointer points to the Binding Protocol instance
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155 | Controller -- The handle of controller to be tested.
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156 | *RemainingDevicePath -- A pointer to the device path. Ignored by device
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157 | driver but used by bus driver
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158 |
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159 | Returns:
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160 |
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161 | EFI_SUCCESS -- Driver loaded.
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162 | other -- Driver not loaded.
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163 | --*/
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164 | {
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165 | EFI_STATUS Status;
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166 | EFI_PCI_IO_PROTOCOL *PciIo;
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167 | UINT8 PciClass;
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168 | UINT8 PciSubClass;
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169 |
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170 | //
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171 | // Attempt to Open PCI I/O Protocol
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172 | //
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173 | Status = gBS->OpenProtocol (
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174 | Controller,
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175 | &gEfiPciIoProtocolGuid,
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176 | (VOID **) &PciIo,
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177 | This->DriverBindingHandle,
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178 | Controller,
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179 | EFI_OPEN_PROTOCOL_BY_DRIVER
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180 | );
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181 | if (EFI_ERROR (Status)) {
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182 | return Status;
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183 | }
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184 |
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185 | //
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186 | // Now further check the PCI header: Base class (offset 0x0B) and
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187 | // Sub Class (offset 0x0A). This controller should be an Ide controller
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188 | //
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189 | Status = PciIo->Pci.Read (
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190 | PciIo,
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191 | EfiPciIoWidthUint8,
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192 | PCI_CLASSCODE_OFFSET + 2,
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193 | 1,
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194 | &PciClass
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195 | );
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196 | if (EFI_ERROR (Status)) {
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197 | goto Done;
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198 | }
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199 |
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200 | Status = PciIo->Pci.Read (
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201 | PciIo,
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202 | EfiPciIoWidthUint8,
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203 | PCI_CLASSCODE_OFFSET + 1,
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204 | 1,
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205 | &PciSubClass
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206 | );
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207 | if (EFI_ERROR (Status)) {
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208 | goto Done;
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209 | }
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210 |
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211 | //
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212 | // Examine Ide PCI Configuration table fields
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213 | //
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214 | if ((PciClass != PCI_CLASS_MASS_STORAGE) || ((PciSubClass != PCI_CLASS_MASS_STORAGE_IDE) && (PciSubClass != 0x06 /*SATA*/))) {
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215 | Status = EFI_UNSUPPORTED;
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216 | }
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217 | if (PciSubClass == 0x6)
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218 | gfIdeAhciEmulation = TRUE;
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219 |
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220 | Done:
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221 | gBS->CloseProtocol (
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222 | Controller,
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223 | &gEfiPciIoProtocolGuid,
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224 | This->DriverBindingHandle,
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225 | Controller
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226 | );
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227 |
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228 | return Status;
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229 | }
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230 |
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231 | EFI_STATUS
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232 | EFIAPI
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233 | IdeControllerStart (
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234 | IN EFI_DRIVER_BINDING_PROTOCOL *This,
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235 | IN EFI_HANDLE Controller,
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236 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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237 | )
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238 | /*++
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239 |
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240 | Routine Description:
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241 |
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242 | This routine is called right after the .Supported() called and return
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243 | EFI_SUCCESS. Notes: The supported protocols are checked but the Protocols
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244 | are closed.
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245 |
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246 | Arguments:
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247 |
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248 | This -- a pointer points to the Binding Protocol instance
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249 | Controller -- The handle of controller to be tested. Parameter
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250 | passed by the caller
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251 | *RemainingDevicePath -- A pointer to the device path. Should be ignored by
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252 | device driver
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253 | --*/
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254 | {
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255 | EFI_STATUS Status;
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256 | EFI_PCI_IO_PROTOCOL *PciIo;
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257 |
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258 | //
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259 | // Now test and open the EfiPciIoProtocol
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260 | //
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261 | Status = gBS->OpenProtocol (
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262 | Controller,
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263 | &gEfiPciIoProtocolGuid,
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264 | (VOID **) &PciIo,
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265 | This->DriverBindingHandle,
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266 | Controller,
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267 | EFI_OPEN_PROTOCOL_BY_DRIVER
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268 | );
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269 | //
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270 | // Status == EFI_SUCCESS - A normal execution flow, SUCCESS and the program proceeds.
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271 | // Status == ALREADY_STARTED - A non-zero Status code returned. It indicates
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272 | // that the protocol has been opened and should be treated as a
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273 | // normal condition and the program proceeds. The Protocol will not
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274 | // opened 'again' by this call.
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275 | // Status != ALREADY_STARTED - Error status, terminate program execution
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276 | //
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277 | if (EFI_ERROR (Status)) {
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278 | return Status;
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279 | }
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280 |
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281 | //
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282 | // Install IDE_CONTROLLER_INIT protocol
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283 | //
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284 | return gBS->InstallMultipleProtocolInterfaces (
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285 | &Controller,
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286 | &gEfiIdeControllerInitProtocolGuid, &gEfiIdeControllerInit,
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287 | NULL
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288 | );
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289 | }
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290 |
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291 | EFI_STATUS
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292 | EFIAPI
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293 | IdeControllerStop (
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294 | IN EFI_DRIVER_BINDING_PROTOCOL *This,
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295 | IN EFI_HANDLE Controller,
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296 | IN UINTN NumberOfChildren,
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297 | IN EFI_HANDLE *ChildHandleBuffer
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298 | )
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299 | /*++
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300 |
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301 | Routine Description:
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302 | Stop this driver on Controller Handle.
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303 |
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304 | Arguments:
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305 | This - Protocol instance pointer.
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306 | Controller - Handle of device to stop driver on
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307 | NumberOfChildren - Not used
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308 | ChildHandleBuffer - Not used
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309 |
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310 | Returns:
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311 | EFI_SUCCESS - This driver is removed DeviceHandle
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312 | other - This driver was not removed from this device
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313 |
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314 | --*/
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315 | {
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316 | EFI_STATUS Status;
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317 | EFI_IDE_CONTROLLER_INIT_PROTOCOL *IdeControllerInit;
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318 |
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319 | //
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320 | // Open the produced protocol
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321 | //
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322 | Status = gBS->OpenProtocol (
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323 | Controller,
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324 | &gEfiIdeControllerInitProtocolGuid,
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325 | (VOID **) &IdeControllerInit,
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326 | This->DriverBindingHandle,
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327 | Controller,
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328 | EFI_OPEN_PROTOCOL_GET_PROTOCOL
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329 | );
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330 | if (EFI_ERROR (Status)) {
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331 | return EFI_UNSUPPORTED;
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332 | }
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333 |
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334 | //
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335 | // Make sure the protocol was produced by this driver
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336 | //
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337 | if (IdeControllerInit != &gEfiIdeControllerInit) {
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338 | return EFI_UNSUPPORTED;
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339 | }
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340 |
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341 | //
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342 | // Uninstall the IDE Controller Init Protocol
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343 | //
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344 | Status = gBS->UninstallMultipleProtocolInterfaces (
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345 | Controller,
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346 | &gEfiIdeControllerInitProtocolGuid, &gEfiIdeControllerInit,
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347 | NULL
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348 | );
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349 | if (EFI_ERROR (Status)) {
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350 | return Status;
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351 | }
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352 |
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353 | //
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354 | // Close protocols opened by Ide controller driver
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355 | //
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356 | return gBS->CloseProtocol (
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357 | Controller,
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358 | &gEfiPciIoProtocolGuid,
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359 | This->DriverBindingHandle,
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360 | Controller
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361 | );
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362 | }
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363 |
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364 | //
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365 | // Interface functions of IDE_CONTROLLER_INIT protocol
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366 | //
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367 | EFI_STATUS
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368 | EFIAPI
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369 | IdeInitGetChannelInfo (
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370 | IN EFI_IDE_CONTROLLER_INIT_PROTOCOL *This,
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371 | IN UINT8 Channel,
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372 | OUT BOOLEAN *Enabled,
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373 | OUT UINT8 *MaxDevices
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374 | )
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375 | /*++
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376 | Routine Description:
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377 |
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378 | This function can be used to obtain information about a specified channel.
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379 | It's usually used by IDE Bus driver during enumeration process.
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380 |
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381 | Arguments:
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382 |
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383 | This -- the EFI_IDE_CONTROLLER_INIT_PROTOCOL instance.
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384 | Channel -- Channel number (0 based, either 0 or 1)
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385 | Enabled -- TRUE if the channel is enabled. If the channel is disabled,
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386 | then it will no be enumerated.
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387 | MaxDevices -- The Max number of IDE devices that the bus driver can expect
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388 | on this channel. For ATA/ATAPI, this number is either 1 or 2.
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389 |
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390 | Returns:
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391 | EFI_STATUS
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392 |
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393 | --*/
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394 | {
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395 | //
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396 | // Channel number (0 based, either 0 or 1)
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397 | //
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398 | if (Channel < ICH_IDE_MAX_CHANNEL) {
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399 | *Enabled = TRUE;
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400 | *MaxDevices = ICH_IDE_MAX_DEVICES;
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401 | return EFI_SUCCESS;
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402 | }
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403 |
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404 | *Enabled = FALSE;
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405 | return EFI_INVALID_PARAMETER;
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406 | }
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407 |
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408 |
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409 | EFI_STATUS
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410 | EFIAPI
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411 | IdeInitNotifyPhase (
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412 | IN EFI_IDE_CONTROLLER_INIT_PROTOCOL *This,
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413 | IN EFI_IDE_CONTROLLER_ENUM_PHASE Phase,
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414 | IN UINT8 Channel
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415 | )
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416 | /*++
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417 |
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418 | Routine Description:
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419 |
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420 | This function is called by IdeBus driver before executing certain actions.
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421 | This allows IDE Controller Init to prepare for each action.
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422 |
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423 | Arguments:
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424 |
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425 | This -- the EFI_IDE_CONTROLLER_INIT_PROTOCOL instance.
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426 | Phase -- phase indicator defined by IDE_CONTROLLER_INIT protocol
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427 | Channel -- Channel number (0 based, either 0 or 1)
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428 |
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429 | Returns:
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430 |
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431 | --*/
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432 | {
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433 | return EFI_SUCCESS;
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434 | }
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435 |
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436 | EFI_STATUS
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437 | EFIAPI
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438 | IdeInitSubmitData (
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439 | IN EFI_IDE_CONTROLLER_INIT_PROTOCOL *This,
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440 | IN UINT8 Channel,
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441 | IN UINT8 Device,
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442 | IN EFI_IDENTIFY_DATA *IdentifyData
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443 | )
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444 | /*++
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445 |
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446 | Routine Description:
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447 |
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448 | This function is called by IdeBus driver to submit EFI_IDENTIFY_DATA data structure
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449 | obtained from IDE deivce. This structure is used to set IDE timing
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450 |
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451 | Arguments:
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452 |
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453 | This -- the EFI_IDE_CONTROLLER_INIT_PROTOCOL instance.
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454 | Channel -- IDE channel number (0 based, either 0 or 1)
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455 | Device -- IDE device number
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456 | IdentifyData -- A pointer to EFI_IDENTIFY_DATA data structure
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457 |
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458 | Returns:
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459 |
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460 | --*/
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461 | {
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462 | return EFI_SUCCESS;
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463 | }
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464 |
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465 | EFI_STATUS
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466 | EFIAPI
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467 | IdeInitDisqualifyMode (
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468 | IN EFI_IDE_CONTROLLER_INIT_PROTOCOL *This,
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469 | IN UINT8 Channel,
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470 | IN UINT8 Device,
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471 | IN EFI_ATA_COLLECTIVE_MODE *BadModes
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472 | )
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473 | /*++
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474 |
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475 | Routine Description:
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476 |
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477 | This function is called by IdeBus driver to disqualify unsupported operation
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478 | mode on specific IDE device
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479 |
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480 | Arguments:
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481 |
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482 | This -- the EFI_IDE_CONTROLLER_INIT_PROTOCOL instance.
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483 | Channel -- IDE channel number (0 based, either 0 or 1)
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484 | Device -- IDE device number
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485 | BadModes -- Operation mode indicator
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486 |
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487 | Returns:
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488 |
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489 | --*/
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490 | {
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491 | return EFI_SUCCESS;
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492 | }
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493 |
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494 | EFI_STATUS
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495 | EFIAPI
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496 | IdeInitCalculateMode (
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497 | IN EFI_IDE_CONTROLLER_INIT_PROTOCOL *This,
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498 | IN UINT8 Channel,
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499 | IN UINT8 Device,
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500 | OUT EFI_ATA_COLLECTIVE_MODE **SupportedModes
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501 | )
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502 | /*++
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503 |
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504 | Routine Description:
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505 |
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506 | This function is called by IdeBus driver to calculate the best operation mode
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507 | supported by specific IDE device
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508 |
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509 | Arguments:
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510 |
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511 | This -- the EFI_IDE_CONTROLLER_INIT_PROTOCOL instance.
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512 | Channel -- IDE channel number (0 based, either 0 or 1)
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513 | Device -- IDE device number
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514 | SupportedModes -- Modes collection supported by IDE device
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515 |
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516 | Returns:
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517 |
|
---|
518 | --*/
|
---|
519 | {
|
---|
520 | if (Channel >= ICH_IDE_MAX_CHANNEL || Device >= ICH_IDE_MAX_DEVICES) {
|
---|
521 | return EFI_INVALID_PARAMETER;
|
---|
522 | }
|
---|
523 |
|
---|
524 | *SupportedModes = AllocateCopyPool (sizeof (EFI_ATA_COLLECTIVE_MODE), &gEfiAtaCollectiveModeTemplate);
|
---|
525 | if (*SupportedModes == NULL) {
|
---|
526 | return EFI_OUT_OF_RESOURCES;
|
---|
527 | }
|
---|
528 | EFI_ATA_COLLECTIVE_MODE *pSupportedModes = (*SupportedModes);
|
---|
529 | pSupportedModes->PioMode.Mode = 3; /* AtaPioMode4 see VBoxIdeBusDxe/IdeData.h */
|
---|
530 | if (gfIdeAhciEmulation)
|
---|
531 | {
|
---|
532 | pSupportedModes->UdmaMode.Valid = FALSE;
|
---|
533 | pSupportedModes->MultiWordDmaMode.Valid = FALSE;
|
---|
534 | }
|
---|
535 |
|
---|
536 | return EFI_SUCCESS;
|
---|
537 | }
|
---|
538 |
|
---|
539 |
|
---|
540 | EFI_STATUS
|
---|
541 | EFIAPI
|
---|
542 | IdeInitSetTiming (
|
---|
543 | IN EFI_IDE_CONTROLLER_INIT_PROTOCOL *This,
|
---|
544 | IN UINT8 Channel,
|
---|
545 | IN UINT8 Device,
|
---|
546 | IN EFI_ATA_COLLECTIVE_MODE *Modes
|
---|
547 | )
|
---|
548 | /*++
|
---|
549 |
|
---|
550 | Routine Description:
|
---|
551 |
|
---|
552 | This function is called by IdeBus driver to set appropriate timing on IDE
|
---|
553 | controller according supported operation mode
|
---|
554 |
|
---|
555 | Arguments:
|
---|
556 |
|
---|
557 | This -- the EFI_IDE_CONTROLLER_INIT_PROTOCOL instance.
|
---|
558 | Channel -- IDE channel number (0 based, either 0 or 1)
|
---|
559 | Device -- IDE device number
|
---|
560 |
|
---|
561 | Returns:
|
---|
562 |
|
---|
563 | --*/
|
---|
564 | {
|
---|
565 | return EFI_SUCCESS;
|
---|
566 | }
|
---|