2009-09-09 03:57:27 +02:00
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/** @file
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The EFI_ATA_PASS_THRU_PROTOCOL provides information about an ATA controller and the ability
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to send ATA Command Blocks to any ATA device attached to that ATA controller. The information
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includes the attributes of the ATA controller.
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2010-01-27 04:25:28 +01:00
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Copyright (c) 2009 - 2010, Intel Corporation
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2009-09-09 03:57:27 +02:00
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __ATA_PASS_THROUGH_H__
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#define __ATA_PASS_THROUGH_H__
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#define EFI_ATA_PASS_THRU_PROTOCOL_GUID \
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{ \
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0x1d3de7f0, 0x807, 0x424f, {0xaa, 0x69, 0x11, 0xa5, 0x4e, 0x19, 0xa4, 0x6f } \
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}
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typedef struct _EFI_ATA_PASS_THRU_PROTOCOL EFI_ATA_PASS_THRU_PROTOCOL;
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typedef struct {
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UINT32 Attributes;
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UINT32 IoAlign;
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} EFI_ATA_PASS_THRU_MODE;
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///
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/// If this bit is set, then the EFI_ATA_PASS_THRU_PROTOCOL interface is for physical
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/// devices on the ATA controller.
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///
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#define EFI_ATA_PASS_THRU_ATTRIBUTES_PHYSICAL 0x0001
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///
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/// If this bit is set, then the EFI_ATA_PASS_THRU_PROTOCOL interface is for logical
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/// devices on the ATA controller.
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///
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#define EFI_ATA_PASS_THRU_ATTRIBUTES_LOGICAL 0x0002
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///
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/// If this bit is set, then the EFI_ATA_PASS_THRU_PROTOCOL interface supports non blocking
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/// I/O. Every EFI_ATA_PASS_THRU_PROTOCOL must support blocking I/O. The support of non-blocking
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/// I/O is optional.
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///
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#define EFI_ATA_PASS_THRU_ATTRIBUTES_NONBLOCKIO 0x0004
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typedef struct _EFI_ATA_COMMAND_BLOCK {
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UINT8 Reserved1[2];
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UINT8 AtaCommand;
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UINT8 AtaFeatures;
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UINT8 AtaSectorNumber;
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UINT8 AtaCylinderLow;
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UINT8 AtaCylinderHigh;
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UINT8 AtaDeviceHead;
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UINT8 AtaSectorNumberExp;
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UINT8 AtaCylinderLowExp;
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UINT8 AtaCylinderHighExp;
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UINT8 AtaFeaturesExp;
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UINT8 AtaSectorCount;
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UINT8 AtaSectorCountExp;
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UINT8 Reserved2[6];
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} EFI_ATA_COMMAND_BLOCK;
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typedef struct _EFI_ATA_STATUS_BLOCK {
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UINT8 Reserved1[2];
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UINT8 AtaStatus;
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UINT8 AtaError;
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UINT8 AtaSectorNumber;
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UINT8 AtaCylinderLow;
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UINT8 AtaCylinderHigh;
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UINT8 AtaDeviceHead;
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UINT8 AtaSectorNumberExp;
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UINT8 AtaCylinderLowExp;
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UINT8 AtaCylinderHighExp;
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2010-01-27 04:25:28 +01:00
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UINT8 Reserved2;
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2009-09-09 03:57:27 +02:00
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UINT8 AtaSectorCount;
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UINT8 AtaSectorCountExp;
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UINT8 Reserved3[6];
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2009-09-09 03:57:27 +02:00
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} EFI_ATA_STATUS_BLOCK;
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typedef UINT8 EFI_ATA_PASS_THRU_CMD_PROTOCOL;
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#define EFI_ATA_PASS_THRU_PROTOCOL_ATA_HARDWARE_RESET 0x00
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#define EFI_ATA_PASS_THRU_PROTOCOL_ATA_SOFTWARE_RESET 0x01
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#define EFI_ATA_PASS_THRU_PROTOCOL_ATA_NON_DATA 0x02
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#define EFI_ATA_PASS_THRU_PROTOCOL_PIO_DATA_IN 0x04
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#define EFI_ATA_PASS_THRU_PROTOCOL_PIO_DATA_OUT 0x05
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#define EFI_ATA_PASS_THRU_PROTOCOL_DMA 0x06
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#define EFI_ATA_PASS_THRU_PROTOCOL_DMA_QUEUED 0x07
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#define EFI_ATA_PASS_THRU_PROTOCOL_DEVICE_DIAGNOSTIC 0x08
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#define EFI_ATA_PASS_THRU_PROTOCOL_DEVICE_RESET 0x09
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#define EFI_ATA_PASS_THRU_PROTOCOL_UDMA_DATA_IN 0x0A
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#define EFI_ATA_PASS_THRU_PROTOCOL_UDMA_DATA_OUT 0x0B
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#define EFI_ATA_PASS_THRU_PROTOCOL_FPDMA 0x0C
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#define EFI_ATA_PASS_THRU_PROTOCOL_RETURN_RESPONSE 0xFF
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typedef UINT8 EFI_ATA_PASS_THRU_LENGTH;
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#define EFI_ATA_PASS_THRU_LENGTH_BYTES 0x80
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#define EFI_ATA_PASS_THRU_LENGTH_MASK 0x70
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#define EFI_ATA_PASS_THRU_LENGTH_NO_DATA_TRANSFER 0x00
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#define EFI_ATA_PASS_THRU_LENGTH_FEATURES 0x10
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#define EFI_ATA_PASS_THRU_LENGTH_SECTOR_COUNT 0x20
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#define EFI_ATA_PASS_THRU_LENGTH_TPSIU 0x30
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#define EFI_ATA_PASS_THRU_LENGTH_COUNT 0x0F
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typedef struct {
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///
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/// A pointer to the sense data that was generated by the execution of the ATA
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/// command. It must be aligned to the boundary specified in the IoAlign field
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/// in the EFI_ATA_PASS_THRU_MODE structure.
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///
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EFI_ATA_STATUS_BLOCK *Asb;
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///
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/// A pointer to buffer that contains the Command Data Block to send to the ATA
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/// device specified by Port and PortMultiplierPort.
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///
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EFI_ATA_COMMAND_BLOCK *Acb;
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///
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/// The timeout, in 100 ns units, to use for the execution of this ATA command.
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/// A Timeout value of 0 means that this function will wait indefinitely for the
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/// ATA command to execute. If Timeout is greater than zero, then this function
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/// will return EFI_TIMEOUT if the time required to execute the ATA command is
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/// greater than Timeout.
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///
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UINT64 Timeout;
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///
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/// A pointer to the data buffer to transfer between the ATA controller and the
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/// ATA device for read and bidirectional commands. For all write and non data
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/// commands where InTransferLength is 0 this field is optional and may be NULL.
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/// If this field is not NULL, then it must be aligned on the boundary specified
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/// by the IoAlign field in the EFI_ATA_PASS_THRU_MODE structure.
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///
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VOID *InDataBuffer;
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///
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/// A pointer to the data buffer to transfer between the ATA controller and the
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/// ATA device for write or bidirectional commands. For all read and non data
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/// commands where OutTransferLength is 0 this field is optional and may be NULL.
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/// If this field is not NULL, then it must be aligned on the boundary specified
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/// by the IoAlign field in the EFI_ATA_PASS_THRU_MODE structure.
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///
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VOID *OutDataBuffer;
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///
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/// On input, the size, in bytes, of InDataBuffer. On output, the number of bytes
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/// transferred between the ATA controller and the ATA device. If InTransferLength
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/// is larger than the ATA controller can handle, no data will be transferred,
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/// InTransferLength will be updated to contain the number of bytes that the ATA
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/// controller is able to transfer, and EFI_BAD_BUFFER_SIZE will be returned.
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///
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UINT32 InTransferLength;
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///
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/// On Input, the size, in bytes of OutDataBuffer. On Output, the Number of bytes
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/// transferred between ATA Controller and the ATA device. If OutTransferLength is
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/// larger than the ATA controller can handle, no data will be transferred,
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/// OutTransferLength will be updated to contain the number of bytes that the ATA
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/// controller is able to transfer, and EFI_BAD_BUFFER_SIZE will be returned.
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///
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UINT32 OutTransferLength;
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///
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/// Specifies the protocol used when the ATA device executes the command.
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///
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EFI_ATA_PASS_THRU_CMD_PROTOCOL Protocol;
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///
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/// Specifies the way in which the ATA command length is encoded.
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///
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EFI_ATA_PASS_THRU_LENGTH Length;
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} EFI_ATA_PASS_THRU_COMMAND_PACKET;
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/**
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Sends an ATA command to an ATA device that is attached to the ATA controller. This function
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supports both blocking I/O and non-blocking I/O. The blocking I/O functionality is required,
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and the non-blocking I/O functionality is optional.
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@param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.
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@param[in] Port The port number of the ATA device to send the command.
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@param[in] PortMultiplierPort The port multiplier port number of the ATA device to send the command.
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If there is no port multiplier, then specify 0.
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@param[in,out] Packet A pointer to the ATA command to send to the ATA device specified by Port
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and PortMultiplierPort.
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@param[in] Event If non-blocking I/O is not supported then Event is ignored, and blocking
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I/O is performed. If Event is NULL, then blocking I/O is performed. If
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Event is not NULL and non blocking I/O is supported, then non-blocking
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I/O is performed, and Event will be signaled when the ATA command completes.
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@retval EFI_SUCCESS The ATA command was sent by the host. For bi-directional commands,
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InTransferLength bytes were transferred from InDataBuffer. For write and
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bi-directional commands, OutTransferLength bytes were transferred by OutDataBuffer.
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@retval EFI_BAD_BUFFER_SIZE The ATA command was not executed. The number of bytes that could be transferred
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is returned in InTransferLength. For write and bi-directional commands,
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OutTransferLength bytes were transferred by OutDataBuffer.
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@retval EFI_NOT_READY The ATA command could not be sent because there are too many ATA commands
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already queued. The caller may retry again later.
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@retval EFI_DEVICE_ERROR A device error occurred while attempting to send the ATA command.
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@retval EFI_INVALID_PARAMETER Port, PortMultiplierPort, or the contents of Acb are invalid. The ATA
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command was not sent, so no additional status information is available.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_ATA_PASS_THRU_PASSTHRU)(
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IN EFI_ATA_PASS_THRU_PROTOCOL *This,
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IN UINT16 Port,
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IN UINT16 PortMultiplierPort,
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IN OUT EFI_ATA_PASS_THRU_COMMAND_PACKET *Packet,
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IN EFI_EVENT Event OPTIONAL
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);
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/**
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Used to retrieve the lis t of legal port numbers for ATA devices on an ATA controller.
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These can either be the list of ports where ATA devices are actually present or the
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list of legal port numbers for the ATA controller. Regardless, the caller of this
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function must probe the port number returned to see if an ATA device is actually
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present at that location on the ATA controller.
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The GetNextPort() function retrieves the port number on an ATA controller. If on input
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Port is 0xFFFF, then the port number of the first port on the ATA controller is returned
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in Port and EFI_SUCCESS is returned.
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If Port is a port number that was returned on a previous call to GetNextPort(), then the
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port number of the next port on the ATA controller is returned in Port, and EFI_SUCCESS
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is returned. If Port is not 0xFFFF and Port was not returned on a previous call to
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GetNextPort(), then EFI_INVALID_PARAMETER is returned.
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If Port is the port number of the last port on the ATA controller, then EFI_NOT_FOUND is
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returned.
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@param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.
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@param[in,out] Port On input, a pointer to the port number on the ATA controller.
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On output, a pointer to the next port number on the ATA
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controller. An input value of 0xFFFF retrieves the first port
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number on the ATA controller.
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@retval EFI_SUCCESS The next port number on the ATA controller was returned in Port.
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@retval EFI_NOT_FOUND There are no more ports on this ATA controller.
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@retval EFI_INVALID_PARAMETER Port is not 0xFFFF and Port was not returned on a previous call
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to GetNextPort().
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_ATA_PASS_THRU_GET_NEXT_PORT)(
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IN EFI_ATA_PASS_THRU_PROTOCOL *This,
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IN OUT UINT16 *Port
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);
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/**
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Used to retrieve the list of legal port multiplier port numbers for ATA devices on a port of an ATA
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controller. These can either be the list of port multiplier ports where ATA devices are actually
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present on port or the list of legal port multiplier ports on that port. Regardless, the caller of this
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function must probe the port number and port multiplier port number returned to see if an ATA
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device is actually present.
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The GetNextDevice() function retrieves the port multiplier port number of an ATA device
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present on a port of an ATA controller.
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If PortMultiplierPort points to a port multiplier port number value that was returned on a
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previous call to GetNextDevice(), then the port multiplier port number of the next ATA device
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on the port of the ATA controller is returned in PortMultiplierPort, and EFI_SUCCESS is
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returned.
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If PortMultiplierPort points to 0xFFFF, then the port multiplier port number of the first
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ATA device on port of the ATA controller is returned in PortMultiplierPort and
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EFI_SUCCESS is returned.
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If PortMultiplierPort is not 0xFFFF and the value pointed to by PortMultiplierPort
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was not returned on a previous call to GetNextDevice(), then EFI_INVALID_PARAMETER
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is returned.
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If PortMultiplierPort is the port multiplier port number of the last ATA device on the port of
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the ATA controller, then EFI_NOT_FOUND is returned.
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@param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.
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@param[in] Port The port number present on the ATA controller.
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@param[in,out] PortMultiplierPort On input, a pointer to the port multiplier port number of an
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ATA device present on the ATA controller.
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If on input a PortMultiplierPort of 0xFFFF is specified,
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then the port multiplier port number of the first ATA device
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|
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
|
2009-09-21 16:44:09 +02:00
|
|
|
boot service AllocatePool(). It is the caller's responsibility
|
2009-09-09 03:57:27 +02:00
|
|
|
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
|
