mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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263 lines
10 KiB
C
263 lines
10 KiB
C
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/* $Id: DriverDiagnostics.c 33540 2010-10-28 09:27:05Z vboxsync $ */
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/** @file
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* DriverDiagnostics.c
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*/
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/*
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* Copyright (C) 2009-2010 Oracle Corporation
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*
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* This file is part of VirtualBox Open Source Edition (OSE), as
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* available from http://www.virtualbox.org. This file is free software;
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* you can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) as published by the Free Software
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* Foundation, in version 2 as it comes in the "COPYING" file of the
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* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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*/
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/** @file
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Implementation of UEFI driver Diagnostics protocol which to perform diagnostic on the IDE
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Bus controller.
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Copyright (c) 2006 - 2008, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "IdeBus.h"
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#define IDE_BUS_DIAGNOSTIC_ERROR L"PCI IDE/ATAPI Driver Diagnostics Failed"
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//
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// EFI Driver Diagnostics Protocol
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//
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GLOBAL_REMOVE_IF_UNREFERENCED EFI_DRIVER_DIAGNOSTICS_PROTOCOL gIDEBusDriverDiagnostics = {
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IDEBusDriverDiagnosticsRunDiagnostics,
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"eng"
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};
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//
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// EFI Driver Diagnostics 2 Protocol
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//
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GLOBAL_REMOVE_IF_UNREFERENCED EFI_DRIVER_DIAGNOSTICS2_PROTOCOL gIDEBusDriverDiagnostics2 = {
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(EFI_DRIVER_DIAGNOSTICS2_RUN_DIAGNOSTICS) IDEBusDriverDiagnosticsRunDiagnostics,
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"en"
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};
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/**
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Runs diagnostics on a controller.
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@param This A pointer to the EFI_DRIVER_DIAGNOSTICS_PROTOCOLinstance.
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@param ControllerHandle The handle of the controller to run diagnostics on.
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@param ChildHandle The handle of the child controller to run diagnostics on
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This is an optional parameter that may be NULL. It will
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be NULL for device drivers. It will also be NULL for a
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bus drivers that wish to run diagnostics on the bus controller.
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It will not be NULL for a bus driver that wishes to run
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diagnostics on one of its child controllers.
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@param DiagnosticType Indicates type of diagnostics to perform on the controller
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specified by ControllerHandle and ChildHandle.
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@param Language A pointer to a three character ISO 639-2 language identifier.
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This is the language in which the optional error message should
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be returned in Buffer, and it must match one of the languages
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specified in SupportedLanguages. The number of languages supported by
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a driver is up to the driver writer.
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@param ErrorType A GUID that defines the format of the data returned in Buffer.
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@param BufferSize The size, in bytes, of the data returned in Buffer.
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@param Buffer A buffer that contains a Null-terminated Unicode string
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plus some additional data whose format is defined by ErrorType.
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Buffer is allocated by this function with AllocatePool(), and
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it is the caller's responsibility to free it with a call to FreePool().
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@retval EFI_SUCCESS The controller specified by ControllerHandle and ChildHandle passed
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the diagnostic.
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@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
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@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid EFI_HANDLE.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER ErrorType is NULL.
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@retval EFI_INVALID_PARAMETER BufferType is NULL.
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@retval EFI_INVALID_PARAMETER Buffer is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This does not support running
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diagnostics for the controller specified by ControllerHandle
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and ChildHandle.
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@retval EFI_UNSUPPORTED The driver specified by This does not support the
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type of diagnostic specified by DiagnosticType.
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@retval EFI_UNSUPPORTED The driver specified by This does not support the language
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specified by Language.
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@retval EFI_OUT_OF_RESOURCES There are not enough resources available to complete the
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diagnostics.
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@retval EFI_OUT_OF_RESOURCES There are not enough resources available to return the
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status information in ErrorType, BufferSize,and Buffer.
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@retval EFI_DEVICE_ERROR The controller specified by ControllerHandle and ChildHandle
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did not pass the diagnostic.
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**/
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EFI_STATUS
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EFIAPI
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IDEBusDriverDiagnosticsRunDiagnostics (
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IN EFI_DRIVER_DIAGNOSTICS_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_HANDLE ChildHandle OPTIONAL,
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IN EFI_DRIVER_DIAGNOSTIC_TYPE DiagnosticType,
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IN CHAR8 *Language,
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OUT EFI_GUID **ErrorType,
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OUT UINTN *BufferSize,
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OUT CHAR16 **Buffer
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)
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{
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EFI_STATUS Status;
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EFI_PCI_IO_PROTOCOL *PciIo;
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EFI_BLOCK_IO_PROTOCOL *BlkIo;
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IDE_BLK_IO_DEV *IdeBlkIoDevice;
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UINT32 VendorDeviceId;
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VOID *BlockBuffer;
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CHAR8 *SupportedLanguages;
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BOOLEAN Iso639Language;
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BOOLEAN Found;
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UINTN Index;
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if (Language == NULL ||
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ErrorType == NULL ||
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Buffer == NULL ||
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ControllerHandle == NULL ||
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BufferSize == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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SupportedLanguages = This->SupportedLanguages;
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Iso639Language = (BOOLEAN)(This == &gIDEBusDriverDiagnostics);
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//
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// Make sure Language is in the set of Supported Languages
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//
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Found = FALSE;
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while (*SupportedLanguages != 0) {
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if (Iso639Language) {
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if (CompareMem (Language, SupportedLanguages, 3) == 0) {
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Found = TRUE;
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break;
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}
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SupportedLanguages += 3;
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} else {
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for (Index = 0; SupportedLanguages[Index] != 0 && SupportedLanguages[Index] != ';'; Index++);
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if ((AsciiStrnCmp(SupportedLanguages, Language, Index) == 0) && (Language[Index] == 0)) {
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Found = TRUE;
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break;
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}
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SupportedLanguages += Index;
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for (; *SupportedLanguages != 0 && *SupportedLanguages == ';'; SupportedLanguages++);
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}
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}
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//
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// If Language is not a member of SupportedLanguages, then return EFI_UNSUPPORTED
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//
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if (!Found) {
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return EFI_UNSUPPORTED;
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}
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*ErrorType = NULL;
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*BufferSize = 0;
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if (ChildHandle == NULL) {
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Status = gBS->OpenProtocol (
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ControllerHandle,
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&gEfiCallerIdGuid,
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NULL,
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gIDEBusDriverBinding.DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_TEST_PROTOCOL
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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Status = gBS->OpenProtocol (
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ControllerHandle,
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&gEfiPciIoProtocolGuid,
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(VOID **) &PciIo,
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gIDEBusDriverBinding.DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL
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);
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if (EFI_ERROR (Status)) {
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return EFI_DEVICE_ERROR;
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}
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//
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// Use services of PCI I/O Protocol to test the PCI IDE/ATAPI Controller
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// The following test simply reads the Device ID and Vendor ID.
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// It should never fail. A real test would perform more advanced
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// diagnostics.
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//
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Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint32, 0, 1, &VendorDeviceId);
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if (EFI_ERROR (Status) || VendorDeviceId == 0xffffffff) {
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return EFI_DEVICE_ERROR;
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}
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return EFI_SUCCESS;
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}
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Status = gBS->OpenProtocol (
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ChildHandle,
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&gEfiBlockIoProtocolGuid,
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(VOID **) &BlkIo,
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gIDEBusDriverBinding.DriverBindingHandle,
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ChildHandle,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (BlkIo);
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//
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// Use services available from IdeBlkIoDevice to test the IDE/ATAPI device
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//
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Status = gBS->AllocatePool (
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EfiBootServicesData,
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IdeBlkIoDevice->BlkMedia.BlockSize,
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(VOID **) &BlockBuffer
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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Status = IdeBlkIoDevice->BlkIo.ReadBlocks (
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&IdeBlkIoDevice->BlkIo,
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IdeBlkIoDevice->BlkMedia.MediaId,
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0,
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IdeBlkIoDevice->BlkMedia.BlockSize,
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BlockBuffer
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);
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if (EFI_ERROR (Status)) {
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*ErrorType = &gEfiCallerIdGuid;
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*BufferSize = sizeof (IDE_BUS_DIAGNOSTIC_ERROR);
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Status = gBS->AllocatePool (
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EfiBootServicesData,
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(UINTN) (*BufferSize),
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(VOID **) Buffer
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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CopyMem (*Buffer, IDE_BUS_DIAGNOSTIC_ERROR, *BufferSize);
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Status = EFI_DEVICE_ERROR;
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}
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gBS->FreePool (BlockBuffer);
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return Status;
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}
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