mirror of
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559 lines
24 KiB
C
559 lines
24 KiB
C
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/* $Id: IdeBus.h 33540 2010-10-28 09:27:05Z vboxsync $ */
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/** @file
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* IdeBus.h
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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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Header file for IDE Bus Driver.
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Copyright (c) 2006 - 2007 Intel Corporation. <BR>
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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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#ifndef _IDE_BUS_H_
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#define _IDE_BUS_H_
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#include <FrameworkDxe.h>
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#include <Protocol/IdeControllerInit.h>
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#include <Protocol/BlockIo.h>
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#include <Protocol/PciIo.h>
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#include <Protocol/DiskInfo.h>
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#include <Protocol/DevicePath.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/BaseLib.h>
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#include <Library/UefiLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/ReportStatusCodeLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/PerformanceLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiRuntimeServicesTableLib.h>
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#include <Library/DevicePathLib.h>
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#include <Guid/EventGroup.h>
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#include <IndustryStandard/Pci.h>
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#include <IndustryStandard/Atapi.h>
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#include "IdeData.h"
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//
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// Global Variables
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//
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extern EFI_DRIVER_BINDING_PROTOCOL gIDEBusDriverBinding;
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extern EFI_DRIVER_DIAGNOSTICS_PROTOCOL gIDEBusDriverDiagnostics;
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extern EFI_DRIVER_DIAGNOSTICS2_PROTOCOL gIDEBusDriverDiagnostics2;
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//
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// Extra Definition to porting
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//
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#define MAX_IDE_DEVICE 4
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#define MAX_IDE_CHANNELS 2
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#define MAX_IDE_DRIVES 2
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#define INVALID_DEVICE_TYPE 0xff
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#define ATA_DEVICE_TYPE 0x00
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#define ATAPI_DEVICE_TYPE 0x01
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typedef struct {
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BOOLEAN HaveScannedDevice[MAX_IDE_DEVICE];
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BOOLEAN DeviceFound[MAX_IDE_DEVICE];
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BOOLEAN DeviceProcessed[MAX_IDE_DEVICE];
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} IDE_BUS_DRIVER_PRIVATE_DATA;
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#define IDE_BLK_IO_DEV_SIGNATURE SIGNATURE_32 ('i', 'b', 'i', 'd')
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typedef struct {
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UINT32 Signature;
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EFI_HANDLE Handle;
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EFI_BLOCK_IO_PROTOCOL BlkIo;
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EFI_BLOCK_IO_MEDIA BlkMedia;
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EFI_DISK_INFO_PROTOCOL DiskInfo;
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EFI_DEVICE_PATH_PROTOCOL *DevicePath;
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EFI_PCI_IO_PROTOCOL *PciIo;
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IDE_BUS_DRIVER_PRIVATE_DATA *IdeBusDriverPrivateData;
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//
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// Local Data for IDE interface goes here
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//
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EFI_IDE_CHANNEL Channel;
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EFI_IDE_DEVICE Device;
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UINT16 Lun;
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IDE_DEVICE_TYPE Type;
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IDE_BASE_REGISTERS *IoPort;
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UINT16 AtapiError;
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ATAPI_INQUIRY_DATA *InquiryData;
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EFI_IDENTIFY_DATA *IdData;
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ATA_PIO_MODE PioMode;
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EFI_ATA_MODE UdmaMode;
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CHAR8 ModelName[41];
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ATAPI_REQUEST_SENSE_DATA *SenseData;
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UINT8 SenseDataNumber;
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UINT8 *Cache;
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//
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// ExitBootService Event, it is used to clear pending IDE interrupt
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//
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EFI_EVENT ExitBootServiceEvent;
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EFI_UNICODE_STRING_TABLE *ControllerNameTable;
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} IDE_BLK_IO_DEV;
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#include "ComponentName.h"
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#define IDE_BLOCK_IO_DEV_FROM_THIS(a) CR (a, IDE_BLK_IO_DEV, BlkIo, IDE_BLK_IO_DEV_SIGNATURE)
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#define IDE_BLOCK_IO_DEV_FROM_DISK_INFO_THIS(a) CR (a, IDE_BLK_IO_DEV, DiskInfo, IDE_BLK_IO_DEV_SIGNATURE)
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#include "Ide.h"
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/**
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Supported function of Driver Binding protocol for this driver.
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@param This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
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@param ControllerHandle The handle of the controller to test.
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@param RemainingDevicePath A pointer to the remaining portion of a device path.
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@retval EFI_SUCCESS Driver loaded.
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@retval other Driver not loaded.
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**/
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EFI_STATUS
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EFIAPI
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IDEBusDriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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Start function of Driver binding protocol which start this driver on Controller
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by detecting all disks and installing BlockIo protocol on them.
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@param This Protocol instance pointer.
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@param Controller Handle of device to bind driver to.
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@param RemainingDevicePath produce all possible children.
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@retval EFI_SUCCESS This driver is added to ControllerHandle.
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@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle.
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@retval other This driver does not support this device.
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**/
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EFI_STATUS
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EFIAPI
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IDEBusDriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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Stop function of Driver Binding Protocol which is to stop the driver on Controller Handle and all
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child handle attached to the controller handle if there are.
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@param This Protocol instance pointer.
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@param Controller Handle of device to stop driver on
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@param NumberOfChildren Not used
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@param ChildHandleBuffer Not used
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@retval EFI_SUCCESS This driver is removed DeviceHandle
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@retval other This driver was not removed from this device
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**/
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EFI_STATUS
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EFIAPI
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IDEBusDriverBindingStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer
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);
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//
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// EFI Driver Configuration Functions
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//
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/**
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Allows the user to set controller specific options for a controller that a
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driver is currently managing.
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@param This A pointer to the EFI_DRIVER_CONFIGURATION_ PROTOCOL instance.
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@param ControllerHandle The handle of the controller to set options on.
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@param ChildHandle The handle of the child controller to set options on.
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This is an optional parameter that may be NULL.
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It will be NULL for device drivers, and for a bus drivers
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that wish to set options for the bus controller.
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It will not be NULL for a bus driver that wishes to set
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options for one of its child controllers.
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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 of the user interface that should be presented
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to the user, and it must match one of the languages specified in
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SupportedLanguages. The number of languages supported by a driver is up to
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the driver writer.
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@param ActionRequired A pointer to the action that the calling agent is required
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to perform when this function returns.
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@retval EFI_SUCCESS The driver specified by This successfully set the configuration
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options for the controller specified by ControllerHandle..
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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 ActionRequired is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This does not support setting configuration options for
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the controller specified by ControllerHandle and ChildHandle.
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@retval EFI_UNSUPPORTED The driver specified by This does not support the language specified by Language.
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@retval EFI_DEVICE_ERROR A device error occurred while attempt to set the configuration options for the
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controller specified by ControllerHandle and ChildHandle.
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@retval EFI_OUT_RESOURCES There are not enough resources available to set the configuration options for the
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controller specified by ControllerHandle and ChildHandle
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**/
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EFI_STATUS
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EFIAPI
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IDEBusDriverConfigurationSetOptions (
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IN EFI_DRIVER_CONFIGURATION_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_HANDLE ChildHandle OPTIONAL,
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IN CHAR8 *Language,
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OUT EFI_DRIVER_CONFIGURATION_ACTION_REQUIRED *ActionRequired
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);
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/**
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Tests to see if a controller's current configuration options are valid.
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@param This A pointer to the EFI_DRIVER_CONFIGURATION_PROTOCOL instance.
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@param ControllerHandle The handle of the controller to test if it's current configuration options
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are valid.
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@param ChildHandle The handle of the child controller to test if it's current configuration
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options are valid. 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 bus drivers that
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wish to test the configuration options for the bus controller. It will
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not be NULL for a bus driver that wishes to test configuration options for
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one of its child controllers.
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@retval EFI_SUCCESS The controller specified by ControllerHandle and ChildHandle that is being
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managed by the driver specified by This has a valid set of configuration
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options.
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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_UNSUPPORTED The driver specified by This is not currently managing the controller
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specified by ControllerHandle and ChildHandle.
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@retval EFI_DEVICE_ERROR The controller specified by ControllerHandle and ChildHandle that is being
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managed by the driver specified by This has an invalid set of configuration
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options.
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**/
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EFI_STATUS
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EFIAPI
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IDEBusDriverConfigurationOptionsValid (
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IN EFI_DRIVER_CONFIGURATION_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_HANDLE ChildHandle OPTIONAL
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);
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/**
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Forces a driver to set the default configuration options for a controller.
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@param This A pointer to the EFI_DRIVER_CONFIGURATION_ PROTOCOL instance.
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@param ControllerHandle The handle of the controller to force default configuration options on.
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@param ChildHandle The handle of the child controller to force default configuration
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options on This is an optional parameter that may be NULL. It
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will be NULL for device drivers. It will also be NULL for a bus
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drivers that wish to force default configuration options for the bus
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controller. It will not be NULL for a bus driver that wishes to force
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default configuration options for one of its child controllers.
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@param DefaultType The type of default configuration options to force on the controller
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specified by ControllerHandle and ChildHandle.
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@param ActionRequired A pointer to the action that the calling agent is required to perform
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when this function returns.
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@retval EFI_SUCCESS The driver specified by This successfully forced the
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default configuration options on the controller specified by
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ControllerHandle and ChildHandle.
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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 ActionRequired is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This does not support forcing the default
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configuration options on 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 configuration type
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specified by DefaultType.
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@retval EFI_DEVICE_ERROR A device error occurred while attempt to force the default configuration
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options on the controller specified by ControllerHandle and ChildHandle.
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@retval EFI_OUT_RESOURCES There are not enough resources available to force the default configuration
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options on the controller specified by ControllerHandle and ChildHandle.
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**/
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EFI_STATUS
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EFIAPI
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IDEBusDriverConfigurationForceDefaults (
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IN EFI_DRIVER_CONFIGURATION_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_HANDLE ChildHandle OPTIONAL,
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IN UINT32 DefaultType,
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OUT EFI_DRIVER_CONFIGURATION_ACTION_REQUIRED *ActionRequired
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);
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//
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// EFI Driver Diagnostics Functions
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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.
|
||
|
|
@retval EFI_UNSUPPORTED The driver specified by This does not support running
|
||
|
|
diagnostics for the controller specified by ControllerHandle
|
||
|
|
and ChildHandle.
|
||
|
|
@retval EFI_UNSUPPORTED The driver specified by This does not support the
|
||
|
|
type of diagnostic specified by DiagnosticType.
|
||
|
|
@retval EFI_UNSUPPORTED The driver specified by This does not support the language
|
||
|
|
specified by Language.
|
||
|
|
@retval EFI_OUT_OF_RESOURCES There are not enough resources available to complete the
|
||
|
|
diagnostics.
|
||
|
|
@retval EFI_OUT_OF_RESOURCES There are not enough resources available to return the
|
||
|
|
status information in ErrorType, BufferSize,and Buffer.
|
||
|
|
@retval EFI_DEVICE_ERROR The controller specified by ControllerHandle and ChildHandle
|
||
|
|
did not pass the diagnostic.
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EFIAPI
|
||
|
|
IDEBusDriverDiagnosticsRunDiagnostics (
|
||
|
|
IN EFI_DRIVER_DIAGNOSTICS_PROTOCOL *This,
|
||
|
|
IN EFI_HANDLE ControllerHandle,
|
||
|
|
IN EFI_HANDLE ChildHandle OPTIONAL,
|
||
|
|
IN EFI_DRIVER_DIAGNOSTIC_TYPE DiagnosticType,
|
||
|
|
IN CHAR8 *Language,
|
||
|
|
OUT EFI_GUID **ErrorType,
|
||
|
|
OUT UINTN *BufferSize,
|
||
|
|
OUT CHAR16 **Buffer
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
issue ATA or ATAPI command to reset a block IO device.
|
||
|
|
@param This Block IO protocol instance pointer.
|
||
|
|
@param ExtendedVerification If FALSE,for ATAPI device, driver will only invoke ATAPI reset method
|
||
|
|
If TRUE, for ATAPI device, driver need invoke ATA reset method after
|
||
|
|
invoke ATAPI reset method
|
||
|
|
|
||
|
|
@retval EFI_DEVICE_ERROR When the device is neighther ATA device or ATAPI device.
|
||
|
|
@retval EFI_SUCCESS The device reset successfully
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EFIAPI
|
||
|
|
IDEBlkIoReset (
|
||
|
|
IN EFI_BLOCK_IO_PROTOCOL *This,
|
||
|
|
IN BOOLEAN ExtendedVerification
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Read data from a block IO device.
|
||
|
|
|
||
|
|
@param This Block IO protocol instance pointer.
|
||
|
|
@param MediaId The media ID of the device
|
||
|
|
@param Lba Starting LBA address to read data
|
||
|
|
@param BufferSize The size of data to be read
|
||
|
|
@param Buffer Caller supplied buffer to save data
|
||
|
|
|
||
|
|
@retval EFI_DEVICE_ERROR unknown device type
|
||
|
|
@retval EFI_SUCCESS read the data successfully.
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EFIAPI
|
||
|
|
IDEBlkIoReadBlocks (
|
||
|
|
IN EFI_BLOCK_IO_PROTOCOL *This,
|
||
|
|
IN UINT32 MediaId,
|
||
|
|
IN EFI_LBA Lba,
|
||
|
|
IN UINTN BufferSize,
|
||
|
|
OUT VOID *Buffer
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Write data to block io device
|
||
|
|
|
||
|
|
@param This Protocol instance pointer.
|
||
|
|
@param MediaId The media ID of the device
|
||
|
|
@param Lba Starting LBA address to write data
|
||
|
|
@param BufferSize The size of data to be written
|
||
|
|
@param Buffer Caller supplied buffer to save data
|
||
|
|
|
||
|
|
@retval EFI_DEVICE_ERROR unknown device type
|
||
|
|
@retval other write data status
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EFIAPI
|
||
|
|
IDEBlkIoWriteBlocks (
|
||
|
|
IN EFI_BLOCK_IO_PROTOCOL *This,
|
||
|
|
IN UINT32 MediaId,
|
||
|
|
IN EFI_LBA Lba,
|
||
|
|
IN UINTN BufferSize,
|
||
|
|
IN VOID *Buffer
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Flushes all modified data to a physical block devices
|
||
|
|
|
||
|
|
@param This Indicates a pointer to the calling context which to specify a
|
||
|
|
specific block device
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS Always return success.
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EFIAPI
|
||
|
|
IDEBlkIoFlushBlocks (
|
||
|
|
IN EFI_BLOCK_IO_PROTOCOL *This
|
||
|
|
);
|
||
|
|
/**
|
||
|
|
This function is used by the IDE bus driver to get inquiry data.
|
||
|
|
Data format of Identify data is defined by the Interface GUID.
|
||
|
|
|
||
|
|
@param This Pointer to the EFI_DISK_INFO_PROTOCOL instance.
|
||
|
|
@param InquiryData Pointer to a buffer for the inquiry data.
|
||
|
|
@param InquiryDataSize Pointer to the value for the inquiry data size.
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS The command was accepted without any errors.
|
||
|
|
@retval EFI_NOT_FOUND Device does not support this data class
|
||
|
|
@retval EFI_DEVICE_ERROR Error reading InquiryData from device
|
||
|
|
@retval EFI_BUFFER_TOO_SMALL InquiryDataSize not big enough
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EFIAPI
|
||
|
|
IDEDiskInfoInquiry (
|
||
|
|
IN EFI_DISK_INFO_PROTOCOL *This,
|
||
|
|
IN OUT VOID *InquiryData,
|
||
|
|
IN OUT UINT32 *InquiryDataSize
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
This function is used by the IDE bus driver to get identify data.
|
||
|
|
Data format of Identify data is defined by the Interface GUID.
|
||
|
|
|
||
|
|
@param This Pointer to the EFI_DISK_INFO_PROTOCOL instance.
|
||
|
|
@param IdentifyData Pointer to a buffer for the identify data.
|
||
|
|
@param IdentifyDataSize Pointer to the value for the identify data size.
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS The command was accepted without any errors.
|
||
|
|
@retval EFI_NOT_FOUND Device does not support this data class
|
||
|
|
@retval EFI_DEVICE_ERROR Error reading IdentifyData from device
|
||
|
|
@retval EFI_BUFFER_TOO_SMALL IdentifyDataSize not big enough
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EFIAPI
|
||
|
|
IDEDiskInfoIdentify (
|
||
|
|
IN EFI_DISK_INFO_PROTOCOL *This,
|
||
|
|
IN OUT VOID *IdentifyData,
|
||
|
|
IN OUT UINT32 *IdentifyDataSize
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
This function is used by the IDE bus driver to get sense data.
|
||
|
|
Data format of Sense data is defined by the Interface GUID.
|
||
|
|
|
||
|
|
@param This Pointer to the EFI_DISK_INFO_PROTOCOL instance.
|
||
|
|
@param SenseData Pointer to the SenseData.
|
||
|
|
@param SenseDataSize Size of SenseData in bytes.
|
||
|
|
@param SenseDataNumber Pointer to the value for the identify data size.
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS The command was accepted without any errors.
|
||
|
|
@retval EFI_NOT_FOUND Device does not support this data class
|
||
|
|
@retval EFI_DEVICE_ERROR Error reading InquiryData from device
|
||
|
|
@retval EFI_BUFFER_TOO_SMALL SenseDataSize not big enough
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EFIAPI
|
||
|
|
IDEDiskInfoSenseData (
|
||
|
|
IN EFI_DISK_INFO_PROTOCOL *This,
|
||
|
|
IN OUT VOID *SenseData,
|
||
|
|
IN OUT UINT32 *SenseDataSize,
|
||
|
|
OUT UINT8 *SenseDataNumber
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
This function is used by the IDE bus driver to get controller information.
|
||
|
|
|
||
|
|
@param This Pointer to the EFI_DISK_INFO_PROTOCOL instance.
|
||
|
|
@param IdeChannel Pointer to the Ide Channel number. Primary or secondary.
|
||
|
|
@param IdeDevice Pointer to the Ide Device number. Master or slave.
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS IdeChannel and IdeDevice are valid
|
||
|
|
@retval EFI_UNSUPPORTED This is not an IDE device
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EFIAPI
|
||
|
|
IDEDiskInfoWhichIde (
|
||
|
|
IN EFI_DISK_INFO_PROTOCOL *This,
|
||
|
|
OUT UINT32 *IdeChannel,
|
||
|
|
OUT UINT32 *IdeDevice
|
||
|
|
);
|
||
|
|
/**
|
||
|
|
The is an event(generally the event is exitBootService event) call back function.
|
||
|
|
Clear pending IDE interrupt before OS loader/kernel take control of the IDE device.
|
||
|
|
|
||
|
|
@param Event Pointer to this event
|
||
|
|
@param Context Event handler private data
|
||
|
|
|
||
|
|
**/
|
||
|
|
VOID
|
||
|
|
EFIAPI
|
||
|
|
ClearInterrupt (
|
||
|
|
IN EFI_EVENT Event,
|
||
|
|
IN VOID *Context
|
||
|
|
);
|
||
|
|
#endif
|