diff options
author | Guo Mang <mang.guo@intel.com> | 2016-12-22 15:57:14 +0800 |
---|---|---|
committer | Guo Mang <mang.guo@intel.com> | 2016-12-26 19:14:41 +0800 |
commit | 1760cf81e4b1847c6823ea3514a78dd120e19b6e (patch) | |
tree | 64a874b14050fe24d3bbc1bc13cd293abf8ae018 /Core/MdePkg/Include/Protocol/AtaPassThru.h | |
parent | 7f05fa00f73038b425002566d3afe6c3ade2ccdb (diff) | |
download | edk2-platforms-1760cf81e4b1847c6823ea3514a78dd120e19b6e.tar.xz |
MdePkg: Move to new location
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'Core/MdePkg/Include/Protocol/AtaPassThru.h')
-rw-r--r-- | Core/MdePkg/Include/Protocol/AtaPassThru.h | 471 |
1 files changed, 471 insertions, 0 deletions
diff --git a/Core/MdePkg/Include/Protocol/AtaPassThru.h b/Core/MdePkg/Include/Protocol/AtaPassThru.h new file mode 100644 index 0000000000..6153b704f1 --- /dev/null +++ b/Core/MdePkg/Include/Protocol/AtaPassThru.h @@ -0,0 +1,471 @@ +/** @file
+ The EFI_ATA_PASS_THRU_PROTOCOL provides information about an ATA controller and the ability
+ to send ATA Command Blocks to any ATA device attached to that ATA controller. The information
+ includes the attributes of the ATA controller.
+
+ Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>
+ 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_PASS_THROUGH_H__
+#define __ATA_PASS_THROUGH_H__
+
+#define EFI_ATA_PASS_THRU_PROTOCOL_GUID \
+ { \
+ 0x1d3de7f0, 0x807, 0x424f, {0xaa, 0x69, 0x11, 0xa5, 0x4e, 0x19, 0xa4, 0x6f } \
+ }
+
+typedef struct _EFI_ATA_PASS_THRU_PROTOCOL EFI_ATA_PASS_THRU_PROTOCOL;
+
+typedef struct {
+ UINT32 Attributes;
+ UINT32 IoAlign;
+} EFI_ATA_PASS_THRU_MODE;
+
+///
+/// If this bit is set, then the EFI_ATA_PASS_THRU_PROTOCOL interface is for physical
+/// devices on the ATA controller.
+///
+#define EFI_ATA_PASS_THRU_ATTRIBUTES_PHYSICAL 0x0001
+///
+/// If this bit is set, then the EFI_ATA_PASS_THRU_PROTOCOL interface is for logical
+/// devices on the ATA controller.
+///
+#define EFI_ATA_PASS_THRU_ATTRIBUTES_LOGICAL 0x0002
+///
+/// If this bit is set, then the EFI_ATA_PASS_THRU_PROTOCOL interface supports non blocking
+/// I/O. Every EFI_ATA_PASS_THRU_PROTOCOL must support blocking I/O. The support of non-blocking
+/// I/O is optional.
+///
+#define EFI_ATA_PASS_THRU_ATTRIBUTES_NONBLOCKIO 0x0004
+
+typedef struct _EFI_ATA_COMMAND_BLOCK {
+ UINT8 Reserved1[2];
+ UINT8 AtaCommand;
+ UINT8 AtaFeatures;
+ UINT8 AtaSectorNumber;
+ UINT8 AtaCylinderLow;
+ UINT8 AtaCylinderHigh;
+ UINT8 AtaDeviceHead;
+ UINT8 AtaSectorNumberExp;
+ UINT8 AtaCylinderLowExp;
+ UINT8 AtaCylinderHighExp;
+ UINT8 AtaFeaturesExp;
+ UINT8 AtaSectorCount;
+ UINT8 AtaSectorCountExp;
+ UINT8 Reserved2[6];
+} EFI_ATA_COMMAND_BLOCK;
+
+typedef struct _EFI_ATA_STATUS_BLOCK {
+ UINT8 Reserved1[2];
+ UINT8 AtaStatus;
+ UINT8 AtaError;
+ UINT8 AtaSectorNumber;
+ UINT8 AtaCylinderLow;
+ UINT8 AtaCylinderHigh;
+ UINT8 AtaDeviceHead;
+ UINT8 AtaSectorNumberExp;
+ UINT8 AtaCylinderLowExp;
+ UINT8 AtaCylinderHighExp;
+ UINT8 Reserved2;
+ UINT8 AtaSectorCount;
+ UINT8 AtaSectorCountExp;
+ UINT8 Reserved3[6];
+} EFI_ATA_STATUS_BLOCK;
+
+typedef UINT8 EFI_ATA_PASS_THRU_CMD_PROTOCOL;
+
+#define EFI_ATA_PASS_THRU_PROTOCOL_ATA_HARDWARE_RESET 0x00
+#define EFI_ATA_PASS_THRU_PROTOCOL_ATA_SOFTWARE_RESET 0x01
+#define EFI_ATA_PASS_THRU_PROTOCOL_ATA_NON_DATA 0x02
+#define EFI_ATA_PASS_THRU_PROTOCOL_PIO_DATA_IN 0x04
+#define EFI_ATA_PASS_THRU_PROTOCOL_PIO_DATA_OUT 0x05
+#define EFI_ATA_PASS_THRU_PROTOCOL_DMA 0x06
+#define EFI_ATA_PASS_THRU_PROTOCOL_DMA_QUEUED 0x07
+#define EFI_ATA_PASS_THRU_PROTOCOL_DEVICE_DIAGNOSTIC 0x08
+#define EFI_ATA_PASS_THRU_PROTOCOL_DEVICE_RESET 0x09
+#define EFI_ATA_PASS_THRU_PROTOCOL_UDMA_DATA_IN 0x0A
+#define EFI_ATA_PASS_THRU_PROTOCOL_UDMA_DATA_OUT 0x0B
+#define EFI_ATA_PASS_THRU_PROTOCOL_FPDMA 0x0C
+#define EFI_ATA_PASS_THRU_PROTOCOL_RETURN_RESPONSE 0xFF
+
+typedef UINT8 EFI_ATA_PASS_THRU_LENGTH;
+
+#define EFI_ATA_PASS_THRU_LENGTH_BYTES 0x80
+
+
+#define EFI_ATA_PASS_THRU_LENGTH_MASK 0x70
+#define EFI_ATA_PASS_THRU_LENGTH_NO_DATA_TRANSFER 0x00
+#define EFI_ATA_PASS_THRU_LENGTH_FEATURES 0x10
+#define EFI_ATA_PASS_THRU_LENGTH_SECTOR_COUNT 0x20
+#define EFI_ATA_PASS_THRU_LENGTH_TPSIU 0x30
+
+#define EFI_ATA_PASS_THRU_LENGTH_COUNT 0x0F
+
+typedef struct {
+ ///
+ /// A pointer to the sense data that was generated by the execution of the ATA
+ /// command. It must be aligned to the boundary specified in the IoAlign field
+ /// in the EFI_ATA_PASS_THRU_MODE structure.
+ ///
+ EFI_ATA_STATUS_BLOCK *Asb;
+ ///
+ /// A pointer to buffer that contains the Command Data Block to send to the ATA
+ /// device specified by Port and PortMultiplierPort.
+ ///
+ EFI_ATA_COMMAND_BLOCK *Acb;
+ ///
+ /// The timeout, in 100 ns units, to use for the execution of this ATA command.
+ /// A Timeout value of 0 means that this function will wait indefinitely for the
+ /// ATA command to execute. If Timeout is greater than zero, then this function
+ /// will return EFI_TIMEOUT if the time required to execute the ATA command is
+ /// greater than Timeout.
+ ///
+ UINT64 Timeout;
+ ///
+ /// A pointer to the data buffer to transfer between the ATA controller and the
+ /// ATA device for read and bidirectional commands. For all write and non data
+ /// commands where InTransferLength is 0 this field is optional and may be NULL.
+ /// If this field is not NULL, then it must be aligned on the boundary specified
+ /// by the IoAlign field in the EFI_ATA_PASS_THRU_MODE structure.
+ ///
+ VOID *InDataBuffer;
+ ///
+ /// A pointer to the data buffer to transfer between the ATA controller and the
+ /// ATA device for write or bidirectional commands. For all read and non data
+ /// commands where OutTransferLength is 0 this field is optional and may be NULL.
+ /// If this field is not NULL, then it must be aligned on the boundary specified
+ /// by the IoAlign field in the EFI_ATA_PASS_THRU_MODE structure.
+ ///
+ VOID *OutDataBuffer;
+ ///
+ /// On input, the size, in bytes, of InDataBuffer. On output, the number of bytes
+ /// transferred between the ATA controller and the ATA device. If InTransferLength
+ /// is larger than the ATA controller can handle, no data will be transferred,
+ /// InTransferLength will be updated to contain the number of bytes that the ATA
+ /// controller is able to transfer, and EFI_BAD_BUFFER_SIZE will be returned.
+ ///
+ UINT32 InTransferLength;
+ ///
+ /// On Input, the size, in bytes of OutDataBuffer. On Output, the Number of bytes
+ /// transferred between ATA Controller and the ATA device. If OutTransferLength is
+ /// larger than the ATA controller can handle, no data will be transferred,
+ /// OutTransferLength will be updated to contain the number of bytes that the ATA
+ /// controller is able to transfer, and EFI_BAD_BUFFER_SIZE will be returned.
+ ///
+ UINT32 OutTransferLength;
+ ///
+ /// Specifies the protocol used when the ATA device executes the command.
+ ///
+ EFI_ATA_PASS_THRU_CMD_PROTOCOL Protocol;
+ ///
+ /// Specifies the way in which the ATA command length is encoded.
+ ///
+ EFI_ATA_PASS_THRU_LENGTH Length;
+} EFI_ATA_PASS_THRU_COMMAND_PACKET;
+
+
+/**
+ Sends an ATA command to an ATA device that is attached to the ATA controller. This function
+ supports both blocking I/O and non-blocking I/O. The blocking I/O functionality is required,
+ and the non-blocking I/O functionality is optional.
+
+ @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.
+ @param[in] Port The port number of the ATA device to send the command.
+ @param[in] PortMultiplierPort The port multiplier port number of the ATA device to send the command.
+ If there is no port multiplier, then specify 0.
+ @param[in,out] Packet A pointer to the ATA command to send to the ATA device specified by Port
+ and PortMultiplierPort.
+ @param[in] Event If non-blocking I/O is not supported then Event is ignored, and blocking
+ I/O is performed. If Event is NULL, then blocking I/O is performed. If
+ Event is not NULL and non blocking I/O is supported, then non-blocking
+ I/O is performed, and Event will be signaled when the ATA command completes.
+
+ @retval EFI_SUCCESS The ATA command was sent by the host. For bi-directional commands,
+ InTransferLength bytes were transferred from InDataBuffer. For write and
+ bi-directional commands, OutTransferLength bytes were transferred by OutDataBuffer.
+ @retval EFI_BAD_BUFFER_SIZE The ATA command was not executed. The number of bytes that could be transferred
+ is returned in InTransferLength. For write and bi-directional commands,
+ OutTransferLength bytes were transferred by OutDataBuffer.
+ @retval EFI_NOT_READY The ATA command could not be sent because there are too many ATA commands
+ already queued. The caller may retry again later.
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to send the ATA command.
+ @retval EFI_INVALID_PARAMETER Port, PortMultiplierPort, or the contents of Acb are invalid. The ATA
+ command was not sent, so no additional status information is available.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_ATA_PASS_THRU_PASSTHRU)(
+ IN EFI_ATA_PASS_THRU_PROTOCOL *This,
+ IN UINT16 Port,
+ IN UINT16 PortMultiplierPort,
+ IN OUT EFI_ATA_PASS_THRU_COMMAND_PACKET *Packet,
+ IN EFI_EVENT Event OPTIONAL
+ );
+
+/**
+ Used to retrieve the list of legal port numbers for ATA devices on an ATA controller.
+ These can either be the list of ports where ATA devices are actually present or the
+ list of legal port numbers for the ATA controller. Regardless, the caller of this
+ function must probe the port number returned to see if an ATA device is actually
+ present at that location on the ATA controller.
+
+ The GetNextPort() function retrieves the port number on an ATA controller. If on input
+ Port is 0xFFFF, then the port number of the first port on the ATA controller is returned
+ in Port and EFI_SUCCESS is returned.
+
+ If Port is a port number that was returned on a previous call to GetNextPort(), then the
+ port number of the next port on the ATA controller is returned in Port, and EFI_SUCCESS
+ is returned. If Port is not 0xFFFF and Port was not returned on a previous call to
+ GetNextPort(), then EFI_INVALID_PARAMETER is returned.
+
+ If Port is the port number of the last port on the ATA controller, then EFI_NOT_FOUND is
+ returned.
+
+ @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.
+ @param[in,out] Port On input, a pointer to the port number on the ATA controller.
+ On output, a pointer to the next port number on the ATA
+ controller. An input value of 0xFFFF retrieves the first port
+ number on the ATA controller.
+
+ @retval EFI_SUCCESS The next port number on the ATA controller was returned in Port.
+ @retval EFI_NOT_FOUND There are no more ports on this ATA controller.
+ @retval EFI_INVALID_PARAMETER Port is not 0xFFFF and Port was not returned on a previous call
+ to GetNextPort().
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_ATA_PASS_THRU_GET_NEXT_PORT)(
+ IN EFI_ATA_PASS_THRU_PROTOCOL *This,
+ IN OUT UINT16 *Port
+ );
+
+/**
+ Used to retrieve the list of legal port multiplier port numbers for ATA devices on a port of an ATA
+ controller. These can either be the list of port multiplier ports where ATA devices are actually
+ present on port or the list of legal port multiplier ports on that port. Regardless, the caller of this
+ function must probe the port number and port multiplier port number returned to see if an ATA
+ device is actually present.
+
+ The GetNextDevice() function retrieves the port multiplier port number of an ATA device
+ present on a port of an ATA controller.
+
+ If PortMultiplierPort points to a port multiplier port number value that was returned on a
+ previous call to GetNextDevice(), then the port multiplier port number of the next ATA device
+ on the port of the ATA controller is returned in PortMultiplierPort, and EFI_SUCCESS is
+ returned.
+
+ If PortMultiplierPort points to 0xFFFF, then the port multiplier port number of the first
+ ATA device on port of the ATA controller is returned in PortMultiplierPort and
+ EFI_SUCCESS is returned.
+
+ If PortMultiplierPort is not 0xFFFF and the value pointed to by PortMultiplierPort
+ was not returned on a previous call to GetNextDevice(), then EFI_INVALID_PARAMETER
+ is returned.
+
+ If PortMultiplierPort is the port multiplier port number of the last ATA device on the port of
+ the ATA controller, then EFI_NOT_FOUND is returned.
+
+ @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.
+ @param[in] Port The port number present on the ATA controller.
+ @param[in,out] PortMultiplierPort On input, a pointer to the port multiplier port number of an
+ ATA device present on the ATA controller.
+ If on input a PortMultiplierPort of 0xFFFF is specified,
+ then the port multiplier port number of the first ATA device
+ is returned. On output, a pointer to the port multiplier port
+ number of the next ATA device present on an ATA controller.
+
+ @retval EFI_SUCCESS The port multiplier port number of the next ATA device on the port
+ of the ATA controller was returned in PortMultiplierPort.
+ @retval EFI_NOT_FOUND There are no more ATA devices on this port of the ATA controller.
+ @retval EFI_INVALID_PARAMETER PortMultiplierPort is not 0xFFFF, and PortMultiplierPort was not
+ returned on a previous call to GetNextDevice().
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_ATA_PASS_THRU_GET_NEXT_DEVICE)(
+ IN EFI_ATA_PASS_THRU_PROTOCOL *This,
+ IN UINT16 Port,
+ IN OUT UINT16 *PortMultiplierPort
+ );
+
+/**
+ Used to allocate and build a device path node for an ATA device on an ATA controller.
+
+ The BuildDevicePath() function allocates and builds a single device node for the ATA
+ device specified by Port and PortMultiplierPort. If the ATA device specified by Port and
+ PortMultiplierPort is not present on the ATA controller, then EFI_NOT_FOUND is returned.
+ If DevicePath is NULL, then EFI_INVALID_PARAMETER is returned. If there are not enough
+ resources to allocate the device path node, then EFI_OUT_OF_RESOURCES is returned.
+
+ Otherwise, DevicePath is allocated with the boot service AllocatePool(), the contents of
+ DevicePath are initialized to describe the ATA device specified by Port and PortMultiplierPort,
+ and EFI_SUCCESS is returned.
+
+ @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.
+ @param[in] Port Port specifies the port number of the ATA device for which a
+ device path node is to be allocated and built.
+ @param[in] PortMultiplierPort The port multiplier port number of the ATA device for which a
+ device path node is to be allocated and built. If there is no
+ port multiplier, then specify 0.
+ @param[in,out] DevicePath A pointer to a single device path node that describes the ATA
+ device specified by Port and PortMultiplierPort. This function
+ is responsible for allocating the buffer DevicePath with the
+ boot service AllocatePool(). It is the caller's responsibility
+ to free DevicePath when the caller is finished with DevicePath.
+ @retval EFI_SUCCESS The device path node that describes the ATA device specified by
+ Port and PortMultiplierPort was allocated and returned in DevicePath.
+ @retval EFI_NOT_FOUND The ATA device specified by Port and PortMultiplierPort does not
+ exist on the ATA controller.
+ @retval EFI_INVALID_PARAMETER DevicePath is NULL.
+ @retval EFI_OUT_OF_RESOURCES There are not enough resources to allocate DevicePath.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_ATA_PASS_THRU_BUILD_DEVICE_PATH)(
+ IN EFI_ATA_PASS_THRU_PROTOCOL *This,
+ IN UINT16 Port,
+ IN UINT16 PortMultiplierPort,
+ IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath
+ );
+
+/**
+ Used to translate a device path node to a port number and port multiplier port number.
+
+ The GetDevice() function determines the port and port multiplier port number associated with
+ the ATA device described by DevicePath. If DevicePath is a device path node type that the
+ ATA Pass Thru driver supports, then the ATA Pass Thru driver will attempt to translate the contents
+ DevicePath into a port number and port multiplier port number.
+
+ If this translation is successful, then that port number and port multiplier port number are returned
+ in Port and PortMultiplierPort, and EFI_SUCCESS is returned.
+
+ If DevicePath, Port, or PortMultiplierPort are NULL, then EFI_INVALID_PARAMETER is returned.
+
+ If DevicePath is not a device path node type that the ATA Pass Thru driver supports, then
+ EFI_UNSUPPORTED is returned.
+
+ If DevicePath is a device path node type that the ATA Pass Thru driver supports, but there is not
+ a valid translation from DevicePath to a port number and port multiplier port number, then
+ EFI_NOT_FOUND is returned.
+
+ @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.
+ @param[in] DevicePath A pointer to the device path node that describes an ATA device on the
+ ATA controller.
+ @param[out] Port On return, points to the port number of an ATA device on the ATA controller.
+ @param[out] PortMultiplierPort On return, points to the port multiplier port number of an ATA device
+ on the ATA controller.
+
+ @retval EFI_SUCCESS DevicePath was successfully translated to a port number and port multiplier
+ port number, and they were returned in Port and PortMultiplierPort.
+ @retval EFI_INVALID_PARAMETER DevicePath is NULL.
+ @retval EFI_INVALID_PARAMETER Port is NULL.
+ @retval EFI_INVALID_PARAMETER PortMultiplierPort is NULL.
+ @retval EFI_UNSUPPORTED This driver does not support the device path node type in DevicePath.
+ @retval EFI_NOT_FOUND A valid translation from DevicePath to a port number and port multiplier
+ port number does not exist.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_ATA_PASS_THRU_GET_DEVICE)(
+ IN EFI_ATA_PASS_THRU_PROTOCOL *This,
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ OUT UINT16 *Port,
+ OUT UINT16 *PortMultiplierPort
+ );
+
+/**
+ Resets a specific port on the ATA controller. This operation also resets all the ATA devices
+ connected to the port.
+
+ The ResetChannel() function resets an a specific port on an ATA controller. This operation
+ resets all the ATA devices connected to that port. If this ATA controller does not support
+ a reset port operation, then EFI_UNSUPPORTED is returned.
+
+ If a device error occurs while executing that port reset operation, then EFI_DEVICE_ERROR is
+ returned.
+
+ If a timeout occurs during the execution of the port reset operation, then EFI_TIMEOUT is returned.
+
+ If the port reset operation is completed, then EFI_SUCCESS is returned.
+
+ @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.
+ @param[in] Port The port number on the ATA controller.
+
+ @retval EFI_SUCCESS The ATA controller port was reset.
+ @retval EFI_UNSUPPORTED The ATA controller does not support a port reset operation.
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to reset the ATA port.
+ @retval EFI_TIMEOUT A timeout occurred while attempting to reset the ATA port.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_ATA_PASS_THRU_RESET_PORT)(
+ IN EFI_ATA_PASS_THRU_PROTOCOL *This,
+ IN UINT16 Port
+ );
+
+/**
+ Resets an ATA device that is connected to an ATA controller.
+
+ The ResetDevice() function resets the ATA device specified by Port and PortMultiplierPort.
+ If this ATA controller does not support a device reset operation, then EFI_UNSUPPORTED is
+ returned.
+
+ If Port or PortMultiplierPort are not in a valid range for this ATA controller, then
+ EFI_INVALID_PARAMETER is returned.
+
+ If a device error occurs while executing that device reset operation, then EFI_DEVICE_ERROR
+ is returned.
+
+ If a timeout occurs during the execution of the device reset operation, then EFI_TIMEOUT is
+ returned.
+
+ If the device reset operation is completed, then EFI_SUCCESS is returned.
+
+ @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.
+ @param[in] Port Port represents the port number of the ATA device to be reset.
+ @param[in] PortMultiplierPort The port multiplier port number of the ATA device to reset.
+ If there is no port multiplier, then specify 0.
+ @retval EFI_SUCCESS The ATA device specified by Port and PortMultiplierPort was reset.
+ @retval EFI_UNSUPPORTED The ATA controller does not support a device reset operation.
+ @retval EFI_INVALID_PARAMETER Port or PortMultiplierPort are invalid.
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to reset the ATA device
+ specified by Port and PortMultiplierPort.
+ @retval EFI_TIMEOUT A timeout occurred while attempting to reset the ATA device
+ specified by Port and PortMultiplierPort.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_ATA_PASS_THRU_RESET_DEVICE)(
+ IN EFI_ATA_PASS_THRU_PROTOCOL *This,
+ IN UINT16 Port,
+ IN UINT16 PortMultiplierPort
+ );
+
+struct _EFI_ATA_PASS_THRU_PROTOCOL {
+ EFI_ATA_PASS_THRU_MODE *Mode;
+ EFI_ATA_PASS_THRU_PASSTHRU PassThru;
+ EFI_ATA_PASS_THRU_GET_NEXT_PORT GetNextPort;
+ EFI_ATA_PASS_THRU_GET_NEXT_DEVICE GetNextDevice;
+ EFI_ATA_PASS_THRU_BUILD_DEVICE_PATH BuildDevicePath;
+ EFI_ATA_PASS_THRU_GET_DEVICE GetDevice;
+ EFI_ATA_PASS_THRU_RESET_PORT ResetPort;
+ EFI_ATA_PASS_THRU_RESET_DEVICE ResetDevice;
+};
+
+extern EFI_GUID gEfiAtaPassThruProtocolGuid;
+
+#endif
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