diff options
Diffstat (limited to 'MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.h')
| -rw-r--r-- | MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.h | 647 |
1 files changed, 647 insertions, 0 deletions
diff --git a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.h b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.h new file mode 100644 index 0000000000..eff49a69e2 --- /dev/null +++ b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.h @@ -0,0 +1,647 @@ +/** @file
+ Master header file for ATA Bus Driver.
+
+ This file defines common data structures, macro definitions and some module
+ internal function header files.
+
+ Copyright (c) 2009 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 _ATA_BUS_H_
+#define _ATA_BUS_H_
+
+#include <PiDxe.h>
+
+#include <Protocol/AtaPassThru.h>
+#include <Protocol/BlockIo.h>
+#include <Protocol/DiskInfo.h>
+#include <Protocol/DevicePath.h>
+#include <Protocol/IdeControllerInit.h>
+
+#include <Library/DebugLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/BaseLib.h>
+#include <Library/UefiLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/DevicePathLib.h>
+
+#include <IndustryStandard/Atapi.h>
+
+//
+// Time out value for ATA pass through protocol
+//
+#define ATA_TIMEOUT EFI_TIMER_PERIOD_SECONDS (1)
+
+//
+// Maximum number of times to retry ATA command
+//
+#define MAX_RETRY_TIMES 3
+
+//
+// The maximum total sectors count in 28 bit addressing mode
+//
+#define MAX_28BIT_ADDRESSING_CAPACITY 0xfffffff
+
+//
+// The maximum ATA transaction sector count in 28 bit addressing mode.
+//
+#define MAX_28BIT_TRANSFER_BLOCK_NUM 0x100
+
+//
+// The maximum ATA transaction sector count in 48 bit addressing mode.
+//
+#define MAX_48BIT_TRANSFER_BLOCK_NUM 0x10000
+
+//
+// The maximum model name in ATA identify data
+//
+#define MAX_MODEL_NAME_LEN 40
+
+
+//
+// ATA bus data structure for ATA controller
+//
+typedef struct {
+ EFI_ATA_PASS_THRU_PROTOCOL *AtaPassThru;
+ EFI_HANDLE Controller;
+ EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
+ EFI_HANDLE DriverBindingHandle;
+} ATA_BUS_DRIVER_DATA;
+
+#define ATA_DEVICE_SIGNATURE SIGNATURE_32 ('A', 'B', 'I', 'D')
+
+//
+// ATA device data structure for each child device
+//
+typedef struct {
+ UINT32 Signature;
+
+ EFI_HANDLE Handle;
+ EFI_BLOCK_IO_PROTOCOL BlockIo;
+ EFI_BLOCK_IO_MEDIA BlockMedia;
+ EFI_DISK_INFO_PROTOCOL DiskInfo;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+
+ ATA_BUS_DRIVER_DATA *AtaBusDriverData;
+ UINT16 Port;
+ UINT16 PortMultiplierPort;
+
+ //
+ // Buffer for the execution of ATA pass through protocol
+ //
+ EFI_ATA_PASS_THRU_COMMAND_PACKET Packet;
+ EFI_ATA_COMMAND_BLOCK Acb;
+ EFI_ATA_STATUS_BLOCK *Asb;
+
+ BOOLEAN UdmaValid;
+ BOOLEAN Lba48Bit;
+
+ //
+ // Cached data for ATA identify data
+ //
+ EFI_IDENTIFY_DATA *IdentifyData;
+
+ EFI_UNICODE_STRING_TABLE *ControllerNameTable;
+ CHAR16 ModelName[MAX_MODEL_NAME_LEN + 1];
+
+} ATA_DEVICE;
+
+#define ATA_DEVICE_FROM_BLOCK_IO(a) CR (a, ATA_DEVICE, BlockIo, ATA_DEVICE_SIGNATURE)
+#define ATA_DEVICE_FROM_DISK_INFO(a) CR (a, ATA_DEVICE, DiskInfo, ATA_DEVICE_SIGNATURE)
+
+//
+// Global Variables
+//
+extern EFI_DRIVER_BINDING_PROTOCOL gAtaBusDriverBinding;
+extern EFI_COMPONENT_NAME_PROTOCOL gAtaBusComponentName;
+extern EFI_COMPONENT_NAME2_PROTOCOL gAtaBusComponentName2;
+
+
+/**
+ Wrapper for EFI_ATA_PASS_THRU_PROTOCOL.ResetDevice().
+
+ This function wraps the ResetDevice() invocation for ATA pass through function
+ for an ATA device.
+
+ @param AtaDevice The ATA child device involved for the operation.
+
+ @return The return status from EFI_ATA_PASS_THRU_PROTOCOL.PassThru().
+
+**/
+EFI_STATUS
+ResetAtaDevice (
+ IN ATA_DEVICE *AtaDevice
+ );
+
+
+/**
+ Discovers whether it is a valid ATA device.
+
+ This function issues ATA_CMD_IDENTIFY_DRIVE command to the ATA device to identify it.
+ If the command is executed successfully, it then identifies it and initializes
+ the Media information in Block IO protocol interface.
+
+ @param AtaDevice The ATA child device involved for the operation.
+
+ @retval EFI_SUCCESS The device is successfully identified and Media information
+ is correctly initialized.
+ @return others Some error occurs when discovering the ATA device.
+
+**/
+EFI_STATUS
+DiscoverAtaDevice (
+ IN OUT ATA_DEVICE *AtaDevice
+ );
+
+
+/**
+ Read or write a number of blocks from ATA device.
+
+ This function performs ATA pass through transactions to read/write data from/to
+ ATA device. It may separate the read/write request into several ATA pass through
+ transactions.
+
+ @param AtaDevice The ATA child device involved for the operation.
+ @param Buffer The pointer to the current transaction buffer.
+ @param StartLba The starting logical block address to be accessed.
+ @param NumberOfBlocks The block number or sector count of the transfer.
+ @param IsWrite Indicates whether it is a write operation.
+
+ @retval EFI_SUCCESS The data transfer is complete successfully.
+ @return others Some error occurs when transferring data.
+
+**/
+EFI_STATUS
+AccessAtaDevice(
+ IN OUT ATA_DEVICE *AtaDevice,
+ IN OUT UINT8 *Buffer,
+ IN EFI_LBA StartLba,
+ IN UINTN NumberOfBlocks,
+ IN BOOLEAN IsWrite
+ );
+
+//
+// Protocol interface prototypes
+//
+/**
+ Tests to see if this driver supports a given controller. If a child device is provided,
+ it further tests to see if this driver supports creating a handle for the specified child device.
+
+ This function checks to see if the driver specified by This supports the device specified by
+ ControllerHandle. Drivers will typically use the device path attached to
+ ControllerHandle and/or the services from the bus I/O abstraction attached to
+ ControllerHandle to determine if the driver supports ControllerHandle. This function
+ may be called many times during platform initialization. In order to reduce boot times, the tests
+ performed by this function must be very small, and take as little time as possible to execute. This
+ function must not change the state of any hardware devices, and this function must be aware that the
+ device specified by ControllerHandle may already be managed by the same driver or a
+ different driver. This function must match its calls to AllocatePages() with FreePages(),
+ AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol().
+ Since ControllerHandle may have been previously started by the same driver, if a protocol is
+ already in the opened state, then it must not be closed with CloseProtocol(). This is required
+ to guarantee the state of ControllerHandle is not modified by this function.
+
+ @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
+ @param[in] ControllerHandle The handle of the controller to test. This handle
+ must support a protocol interface that supplies
+ an I/O abstraction to the driver.
+ @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
+ parameter is ignored by device drivers, and is optional for bus
+ drivers. For bus drivers, if this parameter is not NULL, then
+ the bus driver must determine if the bus controller specified
+ by ControllerHandle and the child controller specified
+ by RemainingDevicePath are both supported by this
+ bus driver.
+
+ @retval EFI_SUCCESS The device specified by ControllerHandle and
+ RemainingDevicePath is supported by the driver specified by This.
+ @retval EFI_ALREADY_STARTED The device specified by ControllerHandle and
+ RemainingDevicePath is already being managed by the driver
+ specified by This.
+ @retval EFI_ACCESS_DENIED The device specified by ControllerHandle and
+ RemainingDevicePath is already being managed by a different
+ driver or an application that requires exclusive access.
+ Currently not implemented.
+ @retval EFI_UNSUPPORTED The device specified by ControllerHandle and
+ RemainingDevicePath is not supported by the driver specified by This.
+**/
+EFI_STATUS
+EFIAPI
+AtaBusDriverBindingSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ );
+
+/**
+ Starts a device controller or a bus controller.
+
+ The Start() function is designed to be invoked from the EFI boot service ConnectController().
+ As a result, much of the error checking on the parameters to Start() has been moved into this
+ common boot service. It is legal to call Start() from other locations,
+ but the following calling restrictions must be followed or the system behavior will not be deterministic.
+ 1. ControllerHandle must be a valid EFI_HANDLE.
+ 2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally aligned
+ EFI_DEVICE_PATH_PROTOCOL.
+ 3. Prior to calling Start(), the Supported() function for the driver specified by This must
+ have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS.
+
+ @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
+ @param[in] ControllerHandle The handle of the controller to start. This handle
+ must support a protocol interface that supplies
+ an I/O abstraction to the driver.
+ @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
+ parameter is ignored by device drivers, and is optional for bus
+ drivers. For a bus driver, if this parameter is NULL, then handles
+ for all the children of Controller are created by this driver.
+ If this parameter is not NULL and the first Device Path Node is
+ not the End of Device Path Node, then only the handle for the
+ child device specified by the first Device Path Node of
+ RemainingDevicePath is created by this driver.
+ If the first Device Path Node of RemainingDevicePath is
+ the End of Device Path Node, no child handle is created by this
+ driver.
+
+ @retval EFI_SUCCESS The device was started.
+ @retval EFI_DEVICE_ERROR The device could not be started due to a device error.Currently not implemented.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
+ @retval Others The driver failded to start the device.
+
+**/
+EFI_STATUS
+EFIAPI
+AtaBusDriverBindingStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ );
+
+/**
+ Stops a device controller or a bus controller.
+
+ The Stop() function is designed to be invoked from the EFI boot service DisconnectController().
+ As a result, much of the error checking on the parameters to Stop() has been moved
+ into this common boot service. It is legal to call Stop() from other locations,
+ but the following calling restrictions must be followed or the system behavior will not be deterministic.
+ 1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this
+ same driver's Start() function.
+ 2. The first NumberOfChildren handles of ChildHandleBuffer must all be a valid
+ EFI_HANDLE. In addition, all of these handles must have been created in this driver's
+ Start() function, and the Start() function must have called OpenProtocol() on
+ ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.
+
+ @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
+ @param[in] ControllerHandle A handle to the device being stopped. The handle must
+ support a bus specific I/O protocol for the driver
+ to use to stop the device.
+ @param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.
+ @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL
+ if NumberOfChildren is 0.
+
+ @retval EFI_SUCCESS The device was stopped.
+ @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
+
+**/
+EFI_STATUS
+EFIAPI
+AtaBusDriverBindingStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
+ );
+
+
+/**
+ 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[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+
+ @param Language[in] 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 DriverName[out] 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
+AtaBusComponentNameGetDriverName (
+ 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[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+
+ @param ControllerHandle[in] 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[in] 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[in] 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[out] 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
+AtaBusComponentNameGetControllerName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle OPTIONAL,
+ IN CHAR8 *Language,
+ OUT CHAR16 **ControllerName
+ );
+
+
+/**
+ Reset the Block Device.
+
+ @param This Indicates a pointer to the calling context.
+ @param ExtendedVerification Driver may perform diagnostics on reset.
+
+ @retval EFI_SUCCESS The device was reset.
+ @retval EFI_DEVICE_ERROR The device is not functioning properly and could
+ not be reset.
+
+**/
+EFI_STATUS
+EFIAPI
+AtaBlockIoReset (
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN BOOLEAN ExtendedVerification
+ );
+
+
+/**
+ Read BufferSize bytes from Lba into Buffer.
+
+ @param This Indicates a pointer to the calling context.
+ @param MediaId Id of the media, changes every time the media is replaced.
+ @param Lba The starting Logical Block Address to read from
+ @param BufferSize Size of Buffer, must be a multiple of device block size.
+ @param Buffer A pointer to the destination buffer for the data. The caller is
+ responsible for either having implicit or explicit ownership of the buffer.
+
+ @retval EFI_SUCCESS The data was read correctly from the device.
+ @retval EFI_DEVICE_ERROR The device reported an error while performing the read.
+ @retval EFI_NO_MEDIA There is no media in the device.
+ @retval EFI_MEDIA_CHANGED The MediaId does not matched the current device.
+ @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the 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.
+
+**/
+EFI_STATUS
+EFIAPI
+AtaBlockIoReadBlocks (
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN UINT32 MediaId,
+ IN EFI_LBA Lba,
+ IN UINTN BufferSize,
+ OUT VOID *Buffer
+ );
+
+
+/**
+ Write BufferSize bytes from Lba into Buffer.
+
+ @param This Indicates a pointer to the calling context.
+ @param MediaId The media ID that the write request is for.
+ @param Lba The starting logical block address to be written. The caller is
+ responsible for writing to only legitimate locations.
+ @param BufferSize Size of Buffer, must be a multiple of device block size.
+ @param Buffer A pointer to the source buffer for the data.
+
+ @retval EFI_SUCCESS The data was written correctly to the device.
+ @retval EFI_WRITE_PROTECTED The device can not be written to.
+ @retval EFI_DEVICE_ERROR The device reported an error while performing the write.
+ @retval EFI_NO_MEDIA There is no media in the device.
+ @retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.
+ @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the 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
+AtaBlockIoWriteBlocks (
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN UINT32 MediaId,
+ IN EFI_LBA Lba,
+ IN UINTN BufferSize,
+ IN VOID *Buffer
+ );
+
+
+/**
+ Flush the Block Device.
+
+ @param This Indicates a pointer to the calling context.
+
+ @retval EFI_SUCCESS All outstanding data was written to the device
+ @retval EFI_DEVICE_ERROR The device reported an error while writing back the data
+ @retval EFI_NO_MEDIA There is no media in the device.
+
+**/
+EFI_STATUS
+EFIAPI
+AtaBlockIoFlushBlocks (
+ IN EFI_BLOCK_IO_PROTOCOL *This
+ );
+
+
+/**
+ 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
+AtaDiskInfoInquiry (
+ 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
+AtaDiskInfoIdentify (
+ 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
+AtaDiskInfoSenseData (
+ 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
+AtaDiskInfoWhichIde (
+ IN EFI_DISK_INFO_PROTOCOL *This,
+ OUT UINT32 *IdeChannel,
+ OUT UINT32 *IdeDevice
+ );
+
+#endif
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