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audk/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.h

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/** @file
Header file for SCSI Disk Driver.
Copyright (c) 2004 - 2008, Intel Corporation. <BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _SCSI_DISK_H_
#define _SCSI_DISK_H_
#include <Uefi.h>
#include <Protocol/ScsiIo.h>
#include <Protocol/ComponentName.h>
#include <Protocol/BlockIo.h>
#include <Protocol/DriverBinding.h>
#include <Protocol/ScsiPassThruExt.h>
#include <Library/DebugLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiScsiLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <IndustryStandard/Scsi.h>
#define IS_DEVICE_FIXED(a) (a)->FixedDevice ? 1 : 0
#define SCSI_DISK_DEV_SIGNATURE SIGNATURE_32 ('s', 'c', 'd', 'k')
typedef struct {
UINT32 Signature;
EFI_HANDLE Handle;
EFI_BLOCK_IO_PROTOCOL BlkIo;
EFI_BLOCK_IO_MEDIA BlkIoMedia;
EFI_SCSI_IO_PROTOCOL *ScsiIo;
UINT8 DeviceType;
BOOLEAN FixedDevice;
UINT16 Reserved;
EFI_SCSI_SENSE_DATA *SenseData;
UINTN SenseDataNumber;
EFI_SCSI_INQUIRY_DATA InquiryData;
EFI_UNICODE_STRING_TABLE *ControllerNameTable;
} SCSI_DISK_DEV;
#define SCSI_DISK_DEV_FROM_THIS(a) CR (a, SCSI_DISK_DEV, BlkIo, SCSI_DISK_DEV_SIGNATURE)
//
// Global Variables
//
extern EFI_DRIVER_BINDING_PROTOCOL gScsiDiskDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gScsiDiskComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gScsiDiskComponentName2;
//
// action code used in detect media process
//
#define ACTION_NO_ACTION 0x00
#define ACTION_READ_CAPACITY 0x01
#define ACTION_RETRY_COMMAND_LATER 0x02
#define SCSI_COMMAND_VERSION_1 0x01
#define SCSI_COMMAND_VERSION_2 0x02
#define SCSI_COMMAND_VERSION_3 0x03
/**
Test to see if this driver supports ControllerHandle.
This service is called by the EFI boot service ConnectController(). In order
to make drivers as small as possible, there are a few calling restrictions for
this service. ConnectController() must follow these calling restrictions.
If any other agent wishes to call Supported() it must also follow these
calling restrictions.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to test
@param RemainingDevicePath Optional parameter use to pick a specific child
device to start.
@retval EFI_SUCCESS This driver supports this device
@retval EFI_ALREADY_STARTED This driver is already running on this device
@retval other This driver does not support this device
**/
EFI_STATUS
EFIAPI
ScsiDiskDriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
);
/**
Start this driver on ControllerHandle.
This service is called by the EFI boot service ConnectController(). In order
to make drivers as small as possible, there are a few calling restrictions for
this service. ConnectController() must follow these calling restrictions. If
any other agent wishes to call Start() it must also follow these calling
restrictions.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to bind driver to
@param RemainingDevicePath Optional parameter use to pick a specific child
device to start.
@retval EFI_SUCCESS This driver is added to ControllerHandle
@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
@retval other This driver does not support this device
**/
EFI_STATUS
EFIAPI
ScsiDiskDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
);
/**
Stop this driver on ControllerHandle.
This service is called by the EFI boot service DisconnectController().
In order to make drivers as small as possible, there are a few calling
restrictions for this service. DisconnectController() must follow these
calling restrictions. If any other agent wishes to call Stop() it must
also follow these calling restrictions.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to stop driver on
@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
children is zero stop the entire bus driver.
@param ChildHandleBuffer List of Child Handles to Stop.
@retval EFI_SUCCESS This driver is removed ControllerHandle
@retval other This driver was not removed from this device
**/
EFI_STATUS
EFIAPI
ScsiDiskDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
);
//
// EFI Component Name Functions
//
/**
Retrieves a Unicode string that is the user readable name of the driver.
This function retrieves the user readable name of a driver 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 driver name is
returned in DriverName, and EFI_SUCCESS 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 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 3066 or ISO 639-2 language code format.
@param DriverName A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
ScsiDiskComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
);
/**
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 3066 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 not a valid EFI_HANDLE.
@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
);
/**
Dectect 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 deivice.
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 encounterred, 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 poiniter 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 poiniter 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
);
/**
Sumbmit Read command.
@param ScsiDiskDevice The pointer of ScsiDiskDevice
@param NeedRetry The pointer of flag indicates if needs retry if error happens
@param SenseDataArray NOT used yet in this function
@param NumberOfSenseKeys The number of sense key
@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 SectorSize The size of sector
@return EFI_STATUS is returned by calling ScsiRead10Command().
**/
EFI_STATUS
ScsiDiskRead10 (
IN SCSI_DISK_DEV *ScsiDiskDevice,
OUT BOOLEAN *NeedRetry,
OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OPTIONAL
OUT UINTN *NumberOfSenseKeys,
IN UINT64 Timeout,
OUT UINT8 *DataBuffer,
IN OUT UINT32 *DataLength,
IN UINT32 StartLba,
IN UINT32 SectorSize
);
/**
Submit Write Command.
@param ScsiDiskDevice The pointer of ScsiDiskDevice
@param NeedRetry The pointer of flag indicates if needs retry if error happens
@param SenseDataArray NOT used yet in this function
@param NumberOfSenseKeys The number of sense key
@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 SectorSize The size of sector
@return EFI_STATUS is returned by calling ScsiWrite10Command().
**/
EFI_STATUS
ScsiDiskWrite10 (
IN SCSI_DISK_DEV *ScsiDiskDevice,
OUT BOOLEAN *NeedRetry,
OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OPTIONAL
OUT UINTN *NumberOfSenseKeys,
IN UINT64 Timeout,
IN UINT8 *DataBuffer,
IN OUT UINT32 *DataLength,
IN UINT32 StartLba,
IN UINT32 SectorSize
);
/**
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 (
SCSI_DISK_DEV *ScsiDiskDevice,
EFI_SCSI_DISK_CAPACITY_DATA *Capacity10,
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
);
#endif
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