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	This patch implements the EFI_ERASE_BLOCK_PROTOCOL in ScsiDiskDxe driver. For now, the codes support the erase block feature only on Universal Flash Storage (UFS) devices. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Feng Tian <feng.tian@intel.com>
		
			
				
	
	
		
			1438 lines
		
	
	
		
			50 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1438 lines
		
	
	
		
			50 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/** @file
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						|
  Header file for SCSI Disk Driver.
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Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR>
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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 _SCSI_DISK_H_
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#define _SCSI_DISK_H_
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#include <Uefi.h>
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#include <Protocol/ScsiIo.h>
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#include <Protocol/ComponentName.h>
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#include <Protocol/BlockIo.h>
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#include <Protocol/BlockIo2.h>
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#include <Protocol/EraseBlock.h>
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#include <Protocol/DriverBinding.h>
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#include <Protocol/ScsiPassThruExt.h>
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#include <Protocol/ScsiPassThru.h>
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#include <Protocol/DiskInfo.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/UefiLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiScsiLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/DevicePathLib.h>
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#include <IndustryStandard/Scsi.h>
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#include <IndustryStandard/Atapi.h>
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#define IS_DEVICE_FIXED(a)        (a)->FixedDevice ? 1 : 0
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typedef struct {
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  UINT32                    MaxLbaCnt;
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  UINT32                    MaxBlkDespCnt;
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						|
  UINT32                    GranularityAlignment;
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} SCSI_UNMAP_PARAM_INFO;
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#define SCSI_DISK_DEV_SIGNATURE SIGNATURE_32 ('s', 'c', 'd', 'k')
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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_IO2_PROTOCOL    BlkIo2;
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  EFI_BLOCK_IO_MEDIA        BlkIoMedia;
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						|
  EFI_ERASE_BLOCK_PROTOCOL  EraseBlock;
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						|
  EFI_SCSI_IO_PROTOCOL      *ScsiIo;
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  UINT8                     DeviceType;
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						|
  BOOLEAN                   FixedDevice;
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  UINT16                    Reserved;
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  EFI_SCSI_SENSE_DATA       *SenseData;
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  UINTN                     SenseDataNumber;
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  EFI_SCSI_INQUIRY_DATA     InquiryData;
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  EFI_UNICODE_STRING_TABLE  *ControllerNameTable;
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  EFI_DISK_INFO_PROTOCOL    DiskInfo;
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						|
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  //
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						|
  // The following fields are only valid for ATAPI/SATA device
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  //
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  UINT32                    Channel;
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  UINT32                    Device;
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  ATAPI_IDENTIFY_DATA       IdentifyData;
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  //
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  // Scsi UNMAP command parameters information
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  //
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  SCSI_UNMAP_PARAM_INFO     UnmapInfo;
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  BOOLEAN                   BlockLimitsVpdSupported;
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  //
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  // The flag indicates if 16-byte command can be used
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						|
  //
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  BOOLEAN                   Cdb16Byte;
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						|
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  //
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  // The queue for asynchronous task requests
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						|
  //
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  LIST_ENTRY                AsyncTaskQueue;
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} SCSI_DISK_DEV;
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#define SCSI_DISK_DEV_FROM_BLKIO(a)  CR (a, SCSI_DISK_DEV, BlkIo, SCSI_DISK_DEV_SIGNATURE)
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#define SCSI_DISK_DEV_FROM_BLKIO2(a)  CR (a, SCSI_DISK_DEV, BlkIo2, SCSI_DISK_DEV_SIGNATURE)
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#define SCSI_DISK_DEV_FROM_ERASEBLK(a)  CR (a, SCSI_DISK_DEV, EraseBlock, SCSI_DISK_DEV_SIGNATURE)
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#define SCSI_DISK_DEV_FROM_DISKINFO(a) CR (a, SCSI_DISK_DEV, DiskInfo, SCSI_DISK_DEV_SIGNATURE)
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//
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// Asynchronous I/O request
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//
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//
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// Private data structure for a BlockIo2 request
 | 
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//
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typedef struct {
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  EFI_BLOCK_IO2_TOKEN                  *Token;
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  //
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  // The flag indicates if the last Scsi Read/Write sub-task for a BlockIo2
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  // request is sent to device
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  //
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  BOOLEAN                              LastScsiRW;
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  //
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  // The queue for Scsi Read/Write sub-tasks of a BlockIo2 request
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  //
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  LIST_ENTRY                           ScsiRWQueue;
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  LIST_ENTRY                           Link;
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} SCSI_BLKIO2_REQUEST;
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//
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// Private data structure for a SCSI Read/Write request
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//
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typedef struct {
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  SCSI_DISK_DEV                        *ScsiDiskDevice;
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  UINT64                               Timeout;
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  EFI_SCSI_SENSE_DATA                  *SenseData;
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  UINT8                                SenseDataLength;
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  UINT8                                HostAdapterStatus;
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  UINT8                                TargetStatus;
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  UINT8                                *InBuffer;
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  UINT8                                *OutBuffer;
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  UINT32                               DataLength;
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  UINT64                               StartLba;
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  UINT32                               SectorCount;
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  UINT8                                TimesRetry;
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  //
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  // The BlockIo2 request this SCSI command belongs to
 | 
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  //
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  SCSI_BLKIO2_REQUEST                  *BlkIo2Req;
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  LIST_ENTRY                           Link;
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} SCSI_ASYNC_RW_REQUEST;
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//
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// Private data structure for an EraseBlock request
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//
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typedef struct {
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  EFI_ERASE_BLOCK_TOKEN                *Token;
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  EFI_SCSI_IO_SCSI_REQUEST_PACKET      CommandPacket;
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  LIST_ENTRY                           Link;
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} SCSI_ERASEBLK_REQUEST;
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//
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// Global Variables
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//
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extern EFI_DRIVER_BINDING_PROTOCOL   gScsiDiskDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL   gScsiDiskComponentName;
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extern EFI_COMPONENT_NAME2_PROTOCOL  gScsiDiskComponentName2;
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//
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// action code used in detect media process
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//
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#define ACTION_NO_ACTION               0x00
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#define ACTION_READ_CAPACITY           0x01
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#define ACTION_RETRY_COMMAND_LATER     0x02
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#define ACTION_RETRY_WITH_BACKOFF_ALGO 0x03
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#define SCSI_COMMAND_VERSION_1      0x01
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#define SCSI_COMMAND_VERSION_2      0x02
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#define SCSI_COMMAND_VERSION_3      0x03
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//
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// SCSI Disk Timeout Experience Value
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//
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// As ScsiDisk and ScsiBus driver are used to manage SCSI or ATAPI devices, the timout
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// value is updated to 30s to follow ATA/ATAPI spec in which the device may take up to 30s
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// to respond command.
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//
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#define SCSI_DISK_TIMEOUT           EFI_TIMER_PERIOD_SECONDS (30)
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/**
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  Test to see if this driver supports ControllerHandle.
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  This service is called by the EFI boot service ConnectController(). In order
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  to make drivers as small as possible, there are a few calling restrictions for
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  this service. ConnectController() must follow these calling restrictions.
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  If any other agent wishes to call Supported() it must also follow these
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  calling restrictions.
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  @param  This                Protocol instance pointer.
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  @param  ControllerHandle    Handle of device to test
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  @param  RemainingDevicePath Optional parameter use to pick a specific child
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                              device to start.
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  @retval EFI_SUCCESS         This driver supports this device
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  @retval EFI_ALREADY_STARTED This driver is already running on this device
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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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ScsiDiskDriverBindingSupported (
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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   OPTIONAL
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  );
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/**
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  Start this driver on ControllerHandle.
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  This service is called by the EFI boot service ConnectController(). In order
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						|
  to make drivers as small as possible, there are a few calling restrictions for
 | 
						|
  this service. ConnectController() must follow these calling restrictions. If
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						|
  any other agent wishes to call Start() it must also follow these calling
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  restrictions.
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  @param  This                 Protocol instance pointer.
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  @param  ControllerHandle     Handle of device to bind driver to
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  @param  RemainingDevicePath  Optional parameter use to pick a specific child
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                               device to start.
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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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**/
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EFI_STATUS
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EFIAPI
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ScsiDiskDriverBindingStart (
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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   OPTIONAL
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  );
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/**
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  Stop this driver on ControllerHandle.
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  This service is called by the EFI boot service DisconnectController().
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						|
  In order to make drivers as small as possible, there are a few calling
 | 
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  restrictions for this service. DisconnectController() must follow these
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  calling restrictions. If any other agent wishes to call Stop() it must
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  also follow these calling restrictions.
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						|
  
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  @param  This              Protocol instance pointer.
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  @param  ControllerHandle  Handle of device to stop driver on
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  @param  NumberOfChildren  Number of Handles in ChildHandleBuffer. If number of
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                            children is zero stop the entire bus driver.
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  @param  ChildHandleBuffer List of Child Handles to Stop.
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  @retval EFI_SUCCESS       This driver is removed ControllerHandle
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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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ScsiDiskDriverBindingStop (
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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   OPTIONAL
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  );
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//
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// EFI Component Name Functions
 | 
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//
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/**
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  Retrieves a Unicode string that is the user readable name of the driver.
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  This function retrieves the user readable name of a driver in the form of a
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						|
  Unicode string. If the driver specified by This has a user readable name in
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  the language specified by Language, then a pointer to the driver name is
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  returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
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  by This does not support the language specified by Language,
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  then EFI_UNSUPPORTED is returned.
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 | 
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  @param  This                  A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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                                EFI_COMPONENT_NAME_PROTOCOL instance.
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 | 
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  @param  Language              A pointer to a Null-terminated ASCII string
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						|
                                array indicating the language. This is the
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                                language of the driver name that the caller is
 | 
						|
                                requesting, and it must match one of the
 | 
						|
                                languages specified in SupportedLanguages. The
 | 
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                                number of languages supported by a driver is up
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						|
                                to the driver writer. Language is specified
 | 
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                                in RFC 4646 or ISO 639-2 language code format.
 | 
						|
 | 
						|
  @param  DriverName            A pointer to the Unicode string to return.
 | 
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                                This Unicode string is the name of the
 | 
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                                driver specified by This in the language
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                                specified by Language.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS           The Unicode string for the Driver specified by
 | 
						|
                                This and the language specified by Language was
 | 
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                                returned in DriverName.
 | 
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 | 
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  @retval EFI_INVALID_PARAMETER Language is NULL.
 | 
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 | 
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  @retval EFI_INVALID_PARAMETER DriverName is NULL.
 | 
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 | 
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  @retval EFI_UNSUPPORTED       The driver specified by This does not support
 | 
						|
                                the language specified by Language.
 | 
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 | 
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**/
 | 
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EFI_STATUS
 | 
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EFIAPI
 | 
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ScsiDiskComponentNameGetDriverName (
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  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
 | 
						|
  IN  CHAR8                        *Language,
 | 
						|
  OUT CHAR16                       **DriverName
 | 
						|
  );
 | 
						|
 | 
						|
 | 
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/**
 | 
						|
  Retrieves a Unicode string that is the user readable name of the controller
 | 
						|
  that is being managed by a driver.
 | 
						|
 | 
						|
  This function retrieves the user readable name of the controller specified by
 | 
						|
  ControllerHandle and ChildHandle in the form of a Unicode string. If the
 | 
						|
  driver specified by This has a user readable name in the language specified by
 | 
						|
  Language, then a pointer to the controller name is returned in ControllerName,
 | 
						|
  and EFI_SUCCESS is returned.  If the driver specified by This is not currently
 | 
						|
  managing the controller specified by ControllerHandle and ChildHandle,
 | 
						|
  then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
 | 
						|
  support the language specified by Language, then EFI_UNSUPPORTED is returned.
 | 
						|
 | 
						|
  @param  This                  A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
 | 
						|
                                EFI_COMPONENT_NAME_PROTOCOL instance.
 | 
						|
 | 
						|
  @param  ControllerHandle      The handle of a controller that the driver
 | 
						|
                                specified by This is managing.  This handle
 | 
						|
                                specifies the controller whose name is to be
 | 
						|
                                returned.
 | 
						|
 | 
						|
  @param  ChildHandle           The handle of the child controller to retrieve
 | 
						|
                                the name of.  This is an optional parameter that
 | 
						|
                                may be NULL.  It will be NULL for device
 | 
						|
                                drivers.  It will also be NULL for a bus drivers
 | 
						|
                                that wish to retrieve the name of the bus
 | 
						|
                                controller.  It will not be NULL for a bus
 | 
						|
                                driver that wishes to retrieve the name of a
 | 
						|
                                child controller.
 | 
						|
 | 
						|
  @param  Language              A pointer to a Null-terminated ASCII string
 | 
						|
                                array indicating the language.  This is the
 | 
						|
                                language of the driver name that the caller is
 | 
						|
                                requesting, and it must match one of the
 | 
						|
                                languages specified in SupportedLanguages. The
 | 
						|
                                number of languages supported by a driver is up
 | 
						|
                                to the driver writer. Language is specified in
 | 
						|
                                RFC 4646 or ISO 639-2 language code format.
 | 
						|
 | 
						|
  @param  ControllerName        A pointer to the Unicode string to return.
 | 
						|
                                This Unicode string is the name of the
 | 
						|
                                controller specified by ControllerHandle and
 | 
						|
                                ChildHandle in the language specified by
 | 
						|
                                Language from the point of view of the driver
 | 
						|
                                specified by This.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS           The Unicode string for the user readable name in
 | 
						|
                                the language specified by Language for the
 | 
						|
                                driver specified by This was returned in
 | 
						|
                                DriverName.
 | 
						|
 | 
						|
  @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
 | 
						|
 | 
						|
  @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
 | 
						|
                                EFI_HANDLE.
 | 
						|
 | 
						|
  @retval EFI_INVALID_PARAMETER Language is NULL.
 | 
						|
 | 
						|
  @retval EFI_INVALID_PARAMETER ControllerName is NULL.
 | 
						|
 | 
						|
  @retval EFI_UNSUPPORTED       The driver specified by This is not currently
 | 
						|
                                managing the controller specified by
 | 
						|
                                ControllerHandle and ChildHandle.
 | 
						|
 | 
						|
  @retval EFI_UNSUPPORTED       The driver specified by This does not support
 | 
						|
                                the language specified by Language.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
ScsiDiskComponentNameGetControllerName (
 | 
						|
  IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
 | 
						|
  IN  EFI_HANDLE                                      ControllerHandle,
 | 
						|
  IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
 | 
						|
  IN  CHAR8                                           *Language,
 | 
						|
  OUT CHAR16                                          **ControllerName
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Reset SCSI Disk.
 | 
						|
 | 
						|
 | 
						|
  @param  This                 The pointer of EFI_BLOCK_IO_PROTOCOL
 | 
						|
  @param  ExtendedVerification The flag about if extend verificate
 | 
						|
 | 
						|
  @retval EFI_SUCCESS          The device was reset.
 | 
						|
  @retval EFI_DEVICE_ERROR     The device is not functioning properly and could
 | 
						|
                               not be reset.
 | 
						|
  @return EFI_STATUS is retured from EFI_SCSI_IO_PROTOCOL.ResetDevice().
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
ScsiDiskReset (
 | 
						|
  IN  EFI_BLOCK_IO_PROTOCOL   *This,
 | 
						|
  IN  BOOLEAN                 ExtendedVerification
 | 
						|
  );
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
  The function is to Read Block from SCSI Disk.
 | 
						|
 | 
						|
  @param  This       The pointer of EFI_BLOCK_IO_PROTOCOL.
 | 
						|
  @param  MediaId    The Id of Media detected
 | 
						|
  @param  Lba        The logic block address
 | 
						|
  @param  BufferSize The size of Buffer
 | 
						|
  @param  Buffer     The buffer to fill the read out data
 | 
						|
 | 
						|
  @retval EFI_SUCCESS           Successfully to read out block.
 | 
						|
  @retval EFI_DEVICE_ERROR      Fail to detect media.
 | 
						|
  @retval EFI_NO_MEDIA          Media is not present.
 | 
						|
  @retval EFI_MEDIA_CHANGED     Media has changed.
 | 
						|
  @retval EFI_BAD_BUFFER_SIZE   The Buffer was not a multiple of the block size of the device.
 | 
						|
  @retval EFI_INVALID_PARAMETER Invalid parameter passed in.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
ScsiDiskReadBlocks (
 | 
						|
  IN  EFI_BLOCK_IO_PROTOCOL   *This,
 | 
						|
  IN  UINT32                  MediaId,
 | 
						|
  IN  EFI_LBA                 Lba,
 | 
						|
  IN  UINTN                   BufferSize,
 | 
						|
  OUT VOID                    *Buffer
 | 
						|
  );
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
  The function is to Write Block to SCSI Disk.
 | 
						|
 | 
						|
  @param  This       The pointer of EFI_BLOCK_IO_PROTOCOL
 | 
						|
  @param  MediaId    The Id of Media detected
 | 
						|
  @param  Lba        The logic block address
 | 
						|
  @param  BufferSize The size of Buffer
 | 
						|
  @param  Buffer     The buffer to fill the read out data
 | 
						|
 | 
						|
  @retval EFI_SUCCESS           Successfully to read out block.
 | 
						|
  @retval EFI_WRITE_PROTECTED   The device can not be written to.
 | 
						|
  @retval EFI_DEVICE_ERROR      Fail to detect media.
 | 
						|
  @retval EFI_NO_MEDIA          Media is not present.
 | 
						|
  @retval EFI_MEDIA_CHNAGED     Media has changed.
 | 
						|
  @retval EFI_BAD_BUFFER_SIZE   The Buffer was not a multiple of the block size of the device.
 | 
						|
  @retval EFI_INVALID_PARAMETER Invalid parameter passed in.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
ScsiDiskWriteBlocks (
 | 
						|
  IN  EFI_BLOCK_IO_PROTOCOL   *This,
 | 
						|
  IN  UINT32                  MediaId,
 | 
						|
  IN  EFI_LBA                 Lba,
 | 
						|
  IN  UINTN                   BufferSize,
 | 
						|
  IN  VOID                    *Buffer
 | 
						|
  );
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
  Flush Block to Disk.
 | 
						|
 | 
						|
  EFI_SUCCESS is returned directly.
 | 
						|
 | 
						|
  @param  This              The pointer of EFI_BLOCK_IO_PROTOCOL
 | 
						|
 | 
						|
  @retval EFI_SUCCESS       All outstanding data was written to the device
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
ScsiDiskFlushBlocks (
 | 
						|
  IN  EFI_BLOCK_IO_PROTOCOL   *This
 | 
						|
  );
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
  Reset SCSI Disk.
 | 
						|
 | 
						|
  @param  This                 The pointer of EFI_BLOCK_IO2_PROTOCOL.
 | 
						|
  @param  ExtendedVerification The flag about if extend verificate.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS          The device was reset.
 | 
						|
  @retval EFI_DEVICE_ERROR     The device is not functioning properly and could
 | 
						|
                               not be reset.
 | 
						|
  @return EFI_STATUS is returned from EFI_SCSI_IO_PROTOCOL.ResetDevice().
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
ScsiDiskResetEx (
 | 
						|
  IN  EFI_BLOCK_IO2_PROTOCOL  *This,
 | 
						|
  IN  BOOLEAN                 ExtendedVerification
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  The function is to Read Block from SCSI Disk.
 | 
						|
 | 
						|
  @param  This       The pointer of EFI_BLOCK_IO_PROTOCOL.
 | 
						|
  @param  MediaId    The Id of Media detected.
 | 
						|
  @param  Lba        The logic block address.
 | 
						|
  @param  Token      A pointer to the token associated with the transaction.
 | 
						|
  @param  BufferSize The size of Buffer.
 | 
						|
  @param  Buffer     The buffer to fill the read out data.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS           The read request was queued if Token-> Event is
 | 
						|
                                not NULL. The data was read correctly from the
 | 
						|
                                device if theToken-> Event is NULL.
 | 
						|
  @retval EFI_DEVICE_ERROR      The device reported an error while attempting
 | 
						|
                                to perform the read operation.
 | 
						|
  @retval EFI_NO_MEDIA          There is no media in the device.
 | 
						|
  @retval EFI_MEDIA_CHANGED     The MediaId is not for the current media.
 | 
						|
  @retval EFI_BAD_BUFFER_SIZE   The BufferSize parameter is not a multiple of
 | 
						|
                                the intrinsic block size of the device.
 | 
						|
  @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not
 | 
						|
                                valid, or the buffer is not on proper
 | 
						|
                                alignment.
 | 
						|
  @retval EFI_OUT_OF_RESOURCES  The request could not be completed due to a
 | 
						|
                                lack of resources.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
ScsiDiskReadBlocksEx (
 | 
						|
  IN     EFI_BLOCK_IO2_PROTOCOL   *This,
 | 
						|
  IN     UINT32                   MediaId,
 | 
						|
  IN     EFI_LBA                  Lba,
 | 
						|
  IN OUT EFI_BLOCK_IO2_TOKEN      *Token,
 | 
						|
  IN     UINTN                    BufferSize,
 | 
						|
  OUT    VOID                     *Buffer
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  The function is to Write Block to SCSI Disk.
 | 
						|
 | 
						|
  @param  This       The pointer of EFI_BLOCK_IO_PROTOCOL.
 | 
						|
  @param  MediaId    The Id of Media detected.
 | 
						|
  @param  Lba        The logic block address.
 | 
						|
  @param  Token      A pointer to the token associated with the transaction.
 | 
						|
  @param  BufferSize The size of Buffer.
 | 
						|
  @param  Buffer     The buffer to fill the read out data.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS           The data were written correctly to the device.
 | 
						|
  @retval EFI_WRITE_PROTECTED   The device cannot be written to.
 | 
						|
  @retval EFI_NO_MEDIA          There is no media in the device.
 | 
						|
  @retval EFI_MEDIA_CHANGED     The MediaId is not for the current media.
 | 
						|
  @retval EFI_DEVICE_ERROR      The device reported an error while attempting
 | 
						|
                                to perform the write operation.
 | 
						|
  @retval EFI_BAD_BUFFER_SIZE   The BufferSize parameter is not a multiple of
 | 
						|
                                the intrinsic block size of the device.
 | 
						|
  @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not
 | 
						|
                                valid, or the buffer is not on proper
 | 
						|
                                alignment.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
ScsiDiskWriteBlocksEx (
 | 
						|
  IN     EFI_BLOCK_IO2_PROTOCOL *This,
 | 
						|
  IN     UINT32                 MediaId,
 | 
						|
  IN     EFI_LBA                Lba,
 | 
						|
  IN OUT EFI_BLOCK_IO2_TOKEN    *Token,
 | 
						|
  IN     UINTN                  BufferSize,
 | 
						|
  IN     VOID                   *Buffer
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Flush the Block Device.
 | 
						|
 | 
						|
  @param  This       Indicates a pointer to the calling context.
 | 
						|
  @param  Token      A pointer to the token associated with the transaction.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS         All outstanding data was written to the device.
 | 
						|
  @retval EFI_DEVICE_ERROR    The device reported an error while attempting to
 | 
						|
                              write data.
 | 
						|
  @retval EFI_WRITE_PROTECTED The device cannot be written to.
 | 
						|
  @retval EFI_NO_MEDIA        There is no media in the device.
 | 
						|
  @retval EFI_MEDIA_CHANGED   The MediaId is not for the current media.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
ScsiDiskFlushBlocksEx (
 | 
						|
  IN     EFI_BLOCK_IO2_PROTOCOL  *This,
 | 
						|
  IN OUT EFI_BLOCK_IO2_TOKEN     *Token
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Erase a specified number of device blocks.
 | 
						|
 | 
						|
  @param[in]       This           Indicates a pointer to the calling context.
 | 
						|
  @param[in]       MediaId        The media ID that the erase request is for.
 | 
						|
  @param[in]       Lba            The starting logical block address to be
 | 
						|
                                  erased. The caller is responsible for erasing
 | 
						|
                                  only legitimate locations.
 | 
						|
  @param[in, out]  Token          A pointer to the token associated with the
 | 
						|
                                  transaction.
 | 
						|
  @param[in]       Size           The size in bytes to be erased. This must be
 | 
						|
                                  a multiple of the physical block size of the
 | 
						|
                                  device.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS             The erase request was queued if Event is not
 | 
						|
                                  NULL. The data was erased correctly to the
 | 
						|
                                  device if the Event is NULL.to the device.
 | 
						|
  @retval EFI_WRITE_PROTECTED     The device cannot be erased due to write
 | 
						|
                                  protection.
 | 
						|
  @retval EFI_DEVICE_ERROR        The device reported an error while attempting
 | 
						|
                                  to perform the erase operation.
 | 
						|
  @retval EFI_INVALID_PARAMETER   The erase request contains LBAs that are not
 | 
						|
                                  valid.
 | 
						|
  @retval EFI_NO_MEDIA            There is no media in the device.
 | 
						|
  @retval EFI_MEDIA_CHANGED       The MediaId is not for the current media.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
ScsiDiskEraseBlocks (
 | 
						|
  IN     EFI_ERASE_BLOCK_PROTOCOL      *This,
 | 
						|
  IN     UINT32                        MediaId,
 | 
						|
  IN     EFI_LBA                       Lba,
 | 
						|
  IN OUT EFI_ERASE_BLOCK_TOKEN         *Token,
 | 
						|
  IN     UINTN                         Size
 | 
						|
  );
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
  Provides inquiry information for the controller type.
 | 
						|
  
 | 
						|
  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[in]      This              Pointer to the EFI_DISK_INFO_PROTOCOL instance.
 | 
						|
  @param[in, out] InquiryData       Pointer to a buffer for the inquiry data.
 | 
						|
  @param[in, out] 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
 | 
						|
ScsiDiskInfoInquiry (
 | 
						|
  IN     EFI_DISK_INFO_PROTOCOL   *This,
 | 
						|
  IN OUT VOID                     *InquiryData,
 | 
						|
  IN OUT UINT32                   *InquiryDataSize
 | 
						|
  );
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
  Provides identify information for the controller type.
 | 
						|
 | 
						|
  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[in]     This               Pointer to the EFI_DISK_INFO_PROTOCOL 
 | 
						|
                                    instance.
 | 
						|
  @param[in, out] IdentifyData      Pointer to a buffer for the identify data.
 | 
						|
  @param[in, out] 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
 | 
						|
ScsiDiskInfoIdentify (
 | 
						|
  IN     EFI_DISK_INFO_PROTOCOL   *This,
 | 
						|
  IN OUT VOID                     *IdentifyData,
 | 
						|
  IN OUT UINT32                   *IdentifyDataSize
 | 
						|
  );
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
  Provides sense data information for the controller type.
 | 
						|
  
 | 
						|
  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[in]      This              Pointer to the EFI_DISK_INFO_PROTOCOL instance.
 | 
						|
  @param[in, out] SenseData         Pointer to the SenseData.
 | 
						|
  @param[in, out] SenseDataSize     Size of SenseData in bytes.
 | 
						|
  @param[out]     SenseDataNumber   Pointer to the value for the sense 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 SenseData from device.
 | 
						|
  @retval EFI_BUFFER_TOO_SMALL   SenseDataSize not big enough.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
ScsiDiskInfoSenseData (
 | 
						|
  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[in]  This         Pointer to the EFI_DISK_INFO_PROTOCOL instance. 
 | 
						|
  @param[out] IdeChannel   Pointer to the Ide Channel number.  Primary or secondary.
 | 
						|
  @param[out] 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
 | 
						|
ScsiDiskInfoWhichIde (
 | 
						|
  IN  EFI_DISK_INFO_PROTOCOL   *This,
 | 
						|
  OUT UINT32                   *IdeChannel,
 | 
						|
  OUT UINT32                   *IdeDevice
 | 
						|
  );
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
  Detect Device and read out capacity ,if error occurs, parse the sense key.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice    The pointer of SCSI_DISK_DEV
 | 
						|
  @param  MustReadCapacity  The flag about reading device capacity
 | 
						|
  @param  MediaChange       The pointer of flag indicates if media has changed 
 | 
						|
 | 
						|
  @retval EFI_DEVICE_ERROR  Indicates that error occurs
 | 
						|
  @retval EFI_SUCCESS       Successfully to detect media
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
ScsiDiskDetectMedia (
 | 
						|
  IN   SCSI_DISK_DEV   *ScsiDiskDevice,
 | 
						|
  IN   BOOLEAN         MustReadCapacity,
 | 
						|
  OUT  BOOLEAN         *MediaChange
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  To test device.
 | 
						|
 | 
						|
  When Test Unit Ready command succeeds, retrieve Sense Keys via Request Sense;
 | 
						|
  When Test Unit Ready command encounters any error caused by host adapter or
 | 
						|
  target, return error without retrieving Sense Keys.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice     The pointer of SCSI_DISK_DEV
 | 
						|
  @param  NeedRetry          The pointer of flag indicates try again
 | 
						|
  @param  SenseDataArray     The pointer of an array of sense data
 | 
						|
  @param  NumberOfSenseKeys  The pointer of the number of sense data array
 | 
						|
 | 
						|
  @retval EFI_DEVICE_ERROR   Indicates that error occurs
 | 
						|
  @retval EFI_SUCCESS        Successfully to test unit
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
ScsiDiskTestUnitReady (
 | 
						|
  IN  SCSI_DISK_DEV         *ScsiDiskDevice,
 | 
						|
  OUT BOOLEAN               *NeedRetry,
 | 
						|
  OUT EFI_SCSI_SENSE_DATA   **SenseDataArray,
 | 
						|
  OUT UINTN                 *NumberOfSenseKeys
 | 
						|
  );
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
  Parsing Sense Keys which got from request sense command.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice     The pointer of SCSI_DISK_DEV
 | 
						|
  @param  SenseData          The pointer of EFI_SCSI_SENSE_DATA
 | 
						|
  @param  NumberOfSenseKeys  The number of sense key  
 | 
						|
  @param  Action             The pointer of action which indicates what is need to do next
 | 
						|
 | 
						|
  @retval EFI_DEVICE_ERROR   Indicates that error occurs
 | 
						|
  @retval EFI_SUCCESS        Successfully to complete the parsing
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
DetectMediaParsingSenseKeys (
 | 
						|
  OUT  SCSI_DISK_DEV           *ScsiDiskDevice,
 | 
						|
  IN   EFI_SCSI_SENSE_DATA     *SenseData,
 | 
						|
  IN   UINTN                   NumberOfSenseKeys,
 | 
						|
  OUT  UINTN                   *Action
 | 
						|
  );
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
  Send read capacity command to device and get the device parameter.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice     The pointer of SCSI_DISK_DEV
 | 
						|
  @param  NeedRetry          The pointer of flag indicates if need a retry
 | 
						|
  @param  SenseDataArray     The pointer of an array of sense data
 | 
						|
  @param  NumberOfSenseKeys  The number of sense key
 | 
						|
 | 
						|
  @retval EFI_DEVICE_ERROR   Indicates that error occurs
 | 
						|
  @retval EFI_SUCCESS        Successfully to read capacity
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
ScsiDiskReadCapacity (
 | 
						|
  IN  OUT  SCSI_DISK_DEV           *ScsiDiskDevice,
 | 
						|
      OUT  BOOLEAN                 *NeedRetry,
 | 
						|
      OUT  EFI_SCSI_SENSE_DATA     **SenseDataArray,
 | 
						|
      OUT  UINTN                   *NumberOfSenseKeys
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Check the HostAdapter status and re-interpret it in EFI_STATUS.
 | 
						|
 | 
						|
  @param  HostAdapterStatus  Host Adapter status
 | 
						|
 | 
						|
  @retval  EFI_SUCCESS       Host adapter is OK.
 | 
						|
  @retval  EFI_TIMEOUT       Timeout.
 | 
						|
  @retval  EFI_NOT_READY     Adapter NOT ready.
 | 
						|
  @retval  EFI_DEVICE_ERROR  Adapter device error.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
CheckHostAdapterStatus (
 | 
						|
  IN UINT8   HostAdapterStatus
 | 
						|
  );
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
  Check the target status and re-interpret it in EFI_STATUS.
 | 
						|
 | 
						|
  @param  TargetStatus  Target status
 | 
						|
 | 
						|
  @retval EFI_NOT_READY       Device is NOT ready.
 | 
						|
  @retval EFI_DEVICE_ERROR 
 | 
						|
  @retval EFI_SUCCESS
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
CheckTargetStatus (
 | 
						|
  IN  UINT8   TargetStatus
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Retrieve all sense keys from the device.
 | 
						|
 | 
						|
  When encountering error during the process, if retrieve sense keys before
 | 
						|
  error encountered, it returns the sense keys with return status set to EFI_SUCCESS,
 | 
						|
  and NeedRetry set to FALSE; otherwize, return the proper return status.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice     The pointer of SCSI_DISK_DEV
 | 
						|
  @param  NeedRetry          The pointer of flag indicates if need a retry
 | 
						|
  @param  SenseDataArray     The pointer of an array of sense data
 | 
						|
  @param  NumberOfSenseKeys  The number of sense key
 | 
						|
  @param  AskResetIfError    The flag indicates if need reset when error occurs
 | 
						|
 | 
						|
  @retval EFI_DEVICE_ERROR   Indicates that error occurs
 | 
						|
  @retval EFI_SUCCESS        Successfully to request sense key
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
ScsiDiskRequestSenseKeys (
 | 
						|
  IN  OUT  SCSI_DISK_DEV           *ScsiDiskDevice,
 | 
						|
      OUT  BOOLEAN                 *NeedRetry,
 | 
						|
      OUT  EFI_SCSI_SENSE_DATA     **SenseDataArray,
 | 
						|
      OUT  UINTN                   *NumberOfSenseKeys,
 | 
						|
  IN       BOOLEAN                 AskResetIfError
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Send out Inquiry command to Device.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice  The pointer of SCSI_DISK_DEV
 | 
						|
  @param  NeedRetry       Indicates if needs try again when error happens
 | 
						|
 | 
						|
  @retval  EFI_DEVICE_ERROR  Indicates that error occurs
 | 
						|
  @retval  EFI_SUCCESS       Successfully to detect media
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
ScsiDiskInquiryDevice (
 | 
						|
  IN OUT  SCSI_DISK_DEV   *ScsiDiskDevice,
 | 
						|
     OUT  BOOLEAN         *NeedRetry
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Parse Inquiry data.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice  The pointer of SCSI_DISK_DEV
 | 
						|
 | 
						|
**/
 | 
						|
VOID
 | 
						|
ParseInquiryData (
 | 
						|
  IN OUT SCSI_DISK_DEV   *ScsiDiskDevice
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Read sector from SCSI Disk.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice  The pointer of SCSI_DISK_DEV
 | 
						|
  @param  Buffer          The buffer to fill in the read out data
 | 
						|
  @param  Lba             Logic block address
 | 
						|
  @param  NumberOfBlocks  The number of blocks to read
 | 
						|
 | 
						|
  @retval EFI_DEVICE_ERROR  Indicates a device error.
 | 
						|
  @retval EFI_SUCCESS       Operation is successful.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
ScsiDiskReadSectors (
 | 
						|
  IN   SCSI_DISK_DEV     *ScsiDiskDevice,
 | 
						|
  OUT  VOID              *Buffer,
 | 
						|
  IN   EFI_LBA           Lba,
 | 
						|
  IN   UINTN             NumberOfBlocks
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Write sector to SCSI Disk.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice  The pointer of SCSI_DISK_DEV
 | 
						|
  @param  Buffer          The buffer of data to be written into SCSI Disk
 | 
						|
  @param  Lba             Logic block address
 | 
						|
  @param  NumberOfBlocks  The number of blocks to read
 | 
						|
 | 
						|
  @retval EFI_DEVICE_ERROR  Indicates a device error.
 | 
						|
  @retval EFI_SUCCESS       Operation is successful.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
ScsiDiskWriteSectors (
 | 
						|
  IN  SCSI_DISK_DEV     *ScsiDiskDevice,
 | 
						|
  IN  VOID              *Buffer,
 | 
						|
  IN  EFI_LBA           Lba,
 | 
						|
  IN  UINTN             NumberOfBlocks
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Asynchronously read sector from SCSI Disk.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice  The pointer of SCSI_DISK_DEV.
 | 
						|
  @param  Buffer          The buffer to fill in the read out data.
 | 
						|
  @param  Lba             Logic block address.
 | 
						|
  @param  NumberOfBlocks  The number of blocks to read.
 | 
						|
  @param  Token           A pointer to the token associated with the
 | 
						|
                          non-blocking read request.
 | 
						|
 | 
						|
  @retval EFI_INVALID_PARAMETER  Token is NULL or Token->Event is NULL.
 | 
						|
  @retval EFI_DEVICE_ERROR       Indicates a device error.
 | 
						|
  @retval EFI_SUCCESS            Operation is successful.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
ScsiDiskAsyncReadSectors (
 | 
						|
  IN   SCSI_DISK_DEV         *ScsiDiskDevice,
 | 
						|
  OUT  VOID                  *Buffer,
 | 
						|
  IN   EFI_LBA               Lba,
 | 
						|
  IN   UINTN                 NumberOfBlocks,
 | 
						|
  IN   EFI_BLOCK_IO2_TOKEN   *Token
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Asynchronously write sector to SCSI Disk.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice  The pointer of SCSI_DISK_DEV.
 | 
						|
  @param  Buffer          The buffer of data to be written into SCSI Disk.
 | 
						|
  @param  Lba             Logic block address.
 | 
						|
  @param  NumberOfBlocks  The number of blocks to read.
 | 
						|
  @param  Token           A pointer to the token associated with the
 | 
						|
                          non-blocking read request.
 | 
						|
 | 
						|
  @retval EFI_INVALID_PARAMETER  Token is NULL or Token->Event is NULL
 | 
						|
  @retval EFI_DEVICE_ERROR  Indicates a device error.
 | 
						|
  @retval EFI_SUCCESS       Operation is successful.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
ScsiDiskAsyncWriteSectors (
 | 
						|
  IN  SCSI_DISK_DEV          *ScsiDiskDevice,
 | 
						|
  IN  VOID                   *Buffer,
 | 
						|
  IN  EFI_LBA                Lba,
 | 
						|
  IN  UINTN                  NumberOfBlocks,
 | 
						|
  IN  EFI_BLOCK_IO2_TOKEN    *Token
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Submit Read(10) command.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice     The pointer of ScsiDiskDevice
 | 
						|
  @param  NeedRetry          The pointer of flag indicates if needs retry if error happens
 | 
						|
  @param  Timeout            The time to complete the command
 | 
						|
  @param  DataBuffer         The buffer to fill with the read out data
 | 
						|
  @param  DataLength         The length of buffer
 | 
						|
  @param  StartLba           The start logic block address
 | 
						|
  @param  SectorCount        The number of blocks to read
 | 
						|
 | 
						|
  @return  EFI_STATUS is returned by calling ScsiRead10Command().
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
ScsiDiskRead10 (
 | 
						|
  IN     SCSI_DISK_DEV         *ScsiDiskDevice,
 | 
						|
     OUT BOOLEAN               *NeedRetry,
 | 
						|
  IN     UINT64                Timeout,
 | 
						|
     OUT UINT8                 *DataBuffer,
 | 
						|
  IN OUT UINT32                *DataLength,
 | 
						|
  IN     UINT32                StartLba,
 | 
						|
  IN     UINT32                SectorCount
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Submit Write(10) Command.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice     The pointer of ScsiDiskDevice
 | 
						|
  @param  NeedRetry          The pointer of flag indicates if needs retry if error happens
 | 
						|
  @param  Timeout            The time to complete the command
 | 
						|
  @param  DataBuffer         The buffer to fill with the read out data
 | 
						|
  @param  DataLength         The length of buffer
 | 
						|
  @param  StartLba           The start logic block address
 | 
						|
  @param  SectorCount        The number of blocks to write
 | 
						|
 | 
						|
  @return  EFI_STATUS is returned by calling ScsiWrite10Command().
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
ScsiDiskWrite10 (
 | 
						|
  IN     SCSI_DISK_DEV         *ScsiDiskDevice,
 | 
						|
     OUT BOOLEAN               *NeedRetry,
 | 
						|
  IN     UINT64                Timeout,
 | 
						|
  IN     UINT8                 *DataBuffer,
 | 
						|
  IN OUT UINT32                *DataLength,
 | 
						|
  IN     UINT32                StartLba,
 | 
						|
  IN     UINT32                SectorCount
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Submit Read(16) command.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice     The pointer of ScsiDiskDevice
 | 
						|
  @param  NeedRetry          The pointer of flag indicates if needs retry if error happens
 | 
						|
  @param  Timeout            The time to complete the command
 | 
						|
  @param  DataBuffer         The buffer to fill with the read out data
 | 
						|
  @param  DataLength         The length of buffer
 | 
						|
  @param  StartLba           The start logic block address
 | 
						|
  @param  SectorCount        The number of blocks to read
 | 
						|
 | 
						|
  @return  EFI_STATUS is returned by calling ScsiRead16Command().
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
ScsiDiskRead16 (
 | 
						|
  IN     SCSI_DISK_DEV         *ScsiDiskDevice,
 | 
						|
     OUT BOOLEAN               *NeedRetry,
 | 
						|
  IN     UINT64                Timeout,
 | 
						|
     OUT UINT8                 *DataBuffer,
 | 
						|
  IN OUT UINT32                *DataLength,
 | 
						|
  IN     UINT64                StartLba,
 | 
						|
  IN     UINT32                SectorCount
 | 
						|
  );
 | 
						|
  
 | 
						|
/**
 | 
						|
  Submit Write(16) Command.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice     The pointer of ScsiDiskDevice
 | 
						|
  @param  NeedRetry          The pointer of flag indicates if needs retry if error happens
 | 
						|
  @param  Timeout            The time to complete the command
 | 
						|
  @param  DataBuffer         The buffer to fill with the read out data
 | 
						|
  @param  DataLength         The length of buffer
 | 
						|
  @param  StartLba           The start logic block address
 | 
						|
  @param  SectorCount        The number of blocks to write
 | 
						|
 | 
						|
  @return  EFI_STATUS is returned by calling ScsiWrite16Command().
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
ScsiDiskWrite16 (
 | 
						|
  IN     SCSI_DISK_DEV         *ScsiDiskDevice,
 | 
						|
     OUT BOOLEAN               *NeedRetry,
 | 
						|
  IN     UINT64                Timeout,
 | 
						|
  IN     UINT8                 *DataBuffer,
 | 
						|
  IN OUT UINT32                *DataLength,
 | 
						|
  IN     UINT64                StartLba,
 | 
						|
  IN     UINT32                SectorCount
 | 
						|
  );  
 | 
						|
 | 
						|
/**
 | 
						|
  Submit Async Read(10) command.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice     The pointer of ScsiDiskDevice.
 | 
						|
  @param  Timeout            The time to complete the command.
 | 
						|
  @param  TimesRetry         The number of times the command has been retried.
 | 
						|
  @param  DataBuffer         The buffer to fill with the read out data.
 | 
						|
  @param  DataLength         The length of buffer.
 | 
						|
  @param  StartLba           The start logic block address.
 | 
						|
  @param  SectorCount        The number of blocks to read.
 | 
						|
  @param  BlkIo2Req          The upstream BlockIo2 request.
 | 
						|
  @param  Token              The pointer to the token associated with the
 | 
						|
                             non-blocking read request.
 | 
						|
 | 
						|
  @retval EFI_OUT_OF_RESOURCES  The request could not be completed due to a
 | 
						|
                                lack of resources.
 | 
						|
  @return others                Status returned by calling
 | 
						|
                                ScsiRead10CommandEx().
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
ScsiDiskAsyncRead10 (
 | 
						|
  IN     SCSI_DISK_DEV         *ScsiDiskDevice,
 | 
						|
  IN     UINT64                Timeout,
 | 
						|
  IN     UINT8                 TimesRetry,
 | 
						|
     OUT UINT8                 *DataBuffer,
 | 
						|
  IN     UINT32                DataLength,
 | 
						|
  IN     UINT32                StartLba,
 | 
						|
  IN     UINT32                SectorCount,
 | 
						|
  IN OUT SCSI_BLKIO2_REQUEST   *BlkIo2Req,
 | 
						|
  IN     EFI_BLOCK_IO2_TOKEN   *Token
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Submit Async Write(10) command.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice     The pointer of ScsiDiskDevice.
 | 
						|
  @param  Timeout            The time to complete the command.
 | 
						|
  @param  TimesRetry         The number of times the command has been retried.
 | 
						|
  @param  DataBuffer         The buffer contains the data to write.
 | 
						|
  @param  DataLength         The length of buffer.
 | 
						|
  @param  StartLba           The start logic block address.
 | 
						|
  @param  SectorCount        The number of blocks to write.
 | 
						|
  @param  BlkIo2Req          The upstream BlockIo2 request.
 | 
						|
  @param  Token              The pointer to the token associated with the
 | 
						|
                             non-blocking read request.
 | 
						|
 | 
						|
  @retval EFI_OUT_OF_RESOURCES  The request could not be completed due to a
 | 
						|
                                lack of resources.
 | 
						|
  @return others                Status returned by calling
 | 
						|
                                ScsiWrite10CommandEx().
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
ScsiDiskAsyncWrite10 (
 | 
						|
  IN     SCSI_DISK_DEV         *ScsiDiskDevice,
 | 
						|
  IN     UINT64                Timeout,
 | 
						|
  IN     UINT8                 TimesRetry,
 | 
						|
  IN     UINT8                 *DataBuffer,
 | 
						|
  IN     UINT32                DataLength,
 | 
						|
  IN     UINT32                StartLba,
 | 
						|
  IN     UINT32                SectorCount,
 | 
						|
  IN OUT SCSI_BLKIO2_REQUEST   *BlkIo2Req,
 | 
						|
  IN     EFI_BLOCK_IO2_TOKEN   *Token
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Submit Async Read(16) command.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice     The pointer of ScsiDiskDevice.
 | 
						|
  @param  Timeout            The time to complete the command.
 | 
						|
  @param  TimesRetry         The number of times the command has been retried.
 | 
						|
  @param  DataBuffer         The buffer to fill with the read out data.
 | 
						|
  @param  DataLength         The length of buffer.
 | 
						|
  @param  StartLba           The start logic block address.
 | 
						|
  @param  SectorCount        The number of blocks to read.
 | 
						|
  @param  BlkIo2Req          The upstream BlockIo2 request.
 | 
						|
  @param  Token              The pointer to the token associated with the
 | 
						|
                             non-blocking read request.
 | 
						|
 | 
						|
  @retval EFI_OUT_OF_RESOURCES  The request could not be completed due to a
 | 
						|
                                lack of resources.
 | 
						|
  @return others                Status returned by calling
 | 
						|
                                ScsiRead16CommandEx().
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
ScsiDiskAsyncRead16 (
 | 
						|
  IN     SCSI_DISK_DEV         *ScsiDiskDevice,
 | 
						|
  IN     UINT64                Timeout,
 | 
						|
  IN     UINT8                 TimesRetry,
 | 
						|
     OUT UINT8                 *DataBuffer,
 | 
						|
  IN     UINT32                DataLength,
 | 
						|
  IN     UINT64                StartLba,
 | 
						|
  IN     UINT32                SectorCount,
 | 
						|
  IN OUT SCSI_BLKIO2_REQUEST   *BlkIo2Req,
 | 
						|
  IN     EFI_BLOCK_IO2_TOKEN   *Token
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Submit Async Write(16) command.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice     The pointer of ScsiDiskDevice.
 | 
						|
  @param  Timeout            The time to complete the command.
 | 
						|
  @param  TimesRetry         The number of times the command has been retried.
 | 
						|
  @param  DataBuffer         The buffer contains the data to write.
 | 
						|
  @param  DataLength         The length of buffer.
 | 
						|
  @param  StartLba           The start logic block address.
 | 
						|
  @param  SectorCount        The number of blocks to write.
 | 
						|
  @param  BlkIo2Req          The upstream BlockIo2 request.
 | 
						|
  @param  Token              The pointer to the token associated with the
 | 
						|
                             non-blocking read request.
 | 
						|
 | 
						|
  @retval EFI_OUT_OF_RESOURCES  The request could not be completed due to a
 | 
						|
                                lack of resources.
 | 
						|
  @return others                Status returned by calling
 | 
						|
                                ScsiWrite16CommandEx().
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
ScsiDiskAsyncWrite16 (
 | 
						|
  IN     SCSI_DISK_DEV         *ScsiDiskDevice,
 | 
						|
  IN     UINT64                Timeout,
 | 
						|
  IN     UINT8                 TimesRetry,
 | 
						|
  IN     UINT8                 *DataBuffer,
 | 
						|
  IN     UINT32                DataLength,
 | 
						|
  IN     UINT64                StartLba,
 | 
						|
  IN     UINT32                SectorCount,
 | 
						|
  IN OUT SCSI_BLKIO2_REQUEST   *BlkIo2Req,
 | 
						|
  IN     EFI_BLOCK_IO2_TOKEN   *Token
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Get information from media read capacity command.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice  The pointer of SCSI_DISK_DEV
 | 
						|
  @param  Capacity10      The pointer of EFI_SCSI_DISK_CAPACITY_DATA
 | 
						|
  @param  Capacity16      The pointer of EFI_SCSI_DISK_CAPACITY_DATA16
 | 
						|
**/
 | 
						|
VOID
 | 
						|
GetMediaInfo (
 | 
						|
  IN OUT SCSI_DISK_DEV                  *ScsiDiskDevice,
 | 
						|
  IN     EFI_SCSI_DISK_CAPACITY_DATA    *Capacity10,
 | 
						|
  IN     EFI_SCSI_DISK_CAPACITY_DATA16  *Capacity16
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Check sense key to find if media presents.
 | 
						|
 | 
						|
  @param  SenseData   The pointer of EFI_SCSI_SENSE_DATA
 | 
						|
  @param  SenseCounts The number of sense key
 | 
						|
 | 
						|
  @retval TRUE    NOT any media
 | 
						|
  @retval FALSE   Media presents
 | 
						|
**/
 | 
						|
BOOLEAN
 | 
						|
ScsiDiskIsNoMedia (
 | 
						|
  IN  EFI_SCSI_SENSE_DATA   *SenseData,
 | 
						|
  IN  UINTN                 SenseCounts
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Parse sense key.
 | 
						|
 | 
						|
  @param  SenseData    The pointer of EFI_SCSI_SENSE_DATA
 | 
						|
  @param  SenseCounts  The number of sense key
 | 
						|
 | 
						|
  @retval TRUE   Error
 | 
						|
  @retval FALSE  NOT error
 | 
						|
 | 
						|
**/
 | 
						|
BOOLEAN
 | 
						|
ScsiDiskIsMediaError (
 | 
						|
  IN  EFI_SCSI_SENSE_DATA   *SenseData,
 | 
						|
  IN  UINTN                 SenseCounts
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Check sense key to find if hardware error happens.
 | 
						|
 | 
						|
  @param  SenseData     The pointer of EFI_SCSI_SENSE_DATA
 | 
						|
  @param  SenseCounts   The number of sense key
 | 
						|
 | 
						|
  @retval TRUE  Hardware error exits.
 | 
						|
  @retval FALSE NO error.
 | 
						|
 | 
						|
**/
 | 
						|
BOOLEAN
 | 
						|
ScsiDiskIsHardwareError (
 | 
						|
  IN  EFI_SCSI_SENSE_DATA   *SenseData,
 | 
						|
  IN  UINTN                 SenseCounts
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Check sense key to find if media has changed.
 | 
						|
 | 
						|
  @param  SenseData    The pointer of EFI_SCSI_SENSE_DATA
 | 
						|
  @param  SenseCounts  The number of sense key
 | 
						|
 | 
						|
  @retval TRUE   Media is changed.
 | 
						|
  @retval FALSE  Medit is NOT changed.
 | 
						|
**/
 | 
						|
BOOLEAN
 | 
						|
ScsiDiskIsMediaChange (
 | 
						|
  IN  EFI_SCSI_SENSE_DATA   *SenseData,
 | 
						|
  IN  UINTN                 SenseCounts
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Check sense key to find if reset happens.
 | 
						|
 | 
						|
  @param  SenseData    The pointer of EFI_SCSI_SENSE_DATA
 | 
						|
  @param  SenseCounts  The number of sense key
 | 
						|
 | 
						|
  @retval TRUE  It is reset before.
 | 
						|
  @retval FALSE It is NOT reset before.
 | 
						|
 | 
						|
**/
 | 
						|
BOOLEAN
 | 
						|
ScsiDiskIsResetBefore (
 | 
						|
  IN  EFI_SCSI_SENSE_DATA   *SenseData,
 | 
						|
  IN  UINTN                 SenseCounts
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Check sense key to find if the drive is ready.
 | 
						|
 | 
						|
  @param  SenseData    The pointer of EFI_SCSI_SENSE_DATA
 | 
						|
  @param  SenseCounts  The number of sense key
 | 
						|
  @param  RetryLater   The flag means if need a retry 
 | 
						|
 | 
						|
  @retval TRUE  Drive is ready.
 | 
						|
  @retval FALSE Drive is NOT ready.
 | 
						|
 | 
						|
**/
 | 
						|
BOOLEAN
 | 
						|
ScsiDiskIsDriveReady (
 | 
						|
  IN  EFI_SCSI_SENSE_DATA   *SenseData,
 | 
						|
  IN  UINTN                 SenseCounts,
 | 
						|
  OUT BOOLEAN               *RetryLater
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Check sense key to find if it has sense key.
 | 
						|
 | 
						|
  @param  SenseData   - The pointer of EFI_SCSI_SENSE_DATA
 | 
						|
  @param  SenseCounts - The number of sense key
 | 
						|
 | 
						|
  @retval TRUE  It has sense key.
 | 
						|
  @retval FALSE It has NOT any sense key.
 | 
						|
 | 
						|
**/
 | 
						|
BOOLEAN
 | 
						|
ScsiDiskHaveSenseKey (
 | 
						|
  IN  EFI_SCSI_SENSE_DATA   *SenseData,
 | 
						|
  IN  UINTN                 SenseCounts
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Release resource about disk device.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice  The pointer of SCSI_DISK_DEV
 | 
						|
 | 
						|
**/
 | 
						|
VOID
 | 
						|
ReleaseScsiDiskDeviceResources (
 | 
						|
  IN  SCSI_DISK_DEV   *ScsiDiskDevice
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Determine if Block Io should be produced.
 | 
						|
  
 | 
						|
 | 
						|
  @param  ChildHandle  Child Handle to retrieve Parent information.
 | 
						|
  
 | 
						|
  @retval  TRUE    Should produce Block Io.
 | 
						|
  @retval  FALSE   Should not produce Block Io.
 | 
						|
 | 
						|
**/  
 | 
						|
BOOLEAN
 | 
						|
DetermineInstallBlockIo (
 | 
						|
  IN  EFI_HANDLE      ChildHandle
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Initialize the installation of DiskInfo protocol.
 | 
						|
 | 
						|
  This function prepares for the installation of DiskInfo protocol on the child handle.
 | 
						|
  By default, it installs DiskInfo protocol with SCSI interface GUID. If it further
 | 
						|
  detects that the physical device is an ATAPI/AHCI device, it then updates interface GUID
 | 
						|
  to be IDE/AHCI interface GUID.
 | 
						|
 | 
						|
  @param  ScsiDiskDevice  The pointer of SCSI_DISK_DEV.
 | 
						|
  @param  ChildHandle     Child handle to install DiskInfo protocol.
 | 
						|
  
 | 
						|
**/  
 | 
						|
VOID
 | 
						|
InitializeInstallDiskInfo (
 | 
						|
  IN  SCSI_DISK_DEV   *ScsiDiskDevice,
 | 
						|
  IN  EFI_HANDLE      ChildHandle
 | 
						|
  ); 
 | 
						|
 | 
						|
/**
 | 
						|
  Search protocol database and check to see if the protocol
 | 
						|
  specified by ProtocolGuid is present on a ControllerHandle and opened by
 | 
						|
  ChildHandle with an attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.
 | 
						|
  If the ControllerHandle is found, then the protocol specified by ProtocolGuid
 | 
						|
  will be opened on it.  
 | 
						|
  
 | 
						|
 | 
						|
  @param  ProtocolGuid   ProtocolGuid pointer.
 | 
						|
  @param  ChildHandle    Child Handle to retrieve Parent information.
 | 
						|
  
 | 
						|
**/ 
 | 
						|
VOID *
 | 
						|
EFIAPI
 | 
						|
GetParentProtocol (
 | 
						|
  IN  EFI_GUID                          *ProtocolGuid,
 | 
						|
  IN  EFI_HANDLE                        ChildHandle
 | 
						|
  );
 | 
						|
 | 
						|
/**
 | 
						|
  Determine if EFI Erase Block Protocol should be produced.
 | 
						|
 | 
						|
  @param   ScsiDiskDevice    The pointer of SCSI_DISK_DEV.
 | 
						|
  @param   ChildHandle       Handle of device.
 | 
						|
 | 
						|
  @retval  TRUE    Should produce EFI Erase Block Protocol.
 | 
						|
  @retval  FALSE   Should not produce EFI Erase Block Protocol.
 | 
						|
 | 
						|
**/
 | 
						|
BOOLEAN
 | 
						|
DetermineInstallEraseBlock (
 | 
						|
  IN  SCSI_DISK_DEV          *ScsiDiskDevice,
 | 
						|
  IN  EFI_HANDLE             ChildHandle
 | 
						|
  );
 | 
						|
 | 
						|
#endif
 |