mirror of https://github.com/acidanthera/audk.git
501 lines
29 KiB
C
501 lines
29 KiB
C
/** @file
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Provides the functions to submit Scsi commands defined in SCSI-2 specification for scsi device.
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Copyright (c) 2006 - 2008, Intel Corporation<BR>
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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 _SCSI_LIB_H_
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#define _SCSI_LIB_H_
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#include <Protocol/ScsiIo.h>
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//
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// the time unit is 100ns, since the SCSI I/O defines timeout in 100ns unit.
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//
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#define EFI_SCSI_STALL_1_MICROSECOND 10
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#define EFI_SCSI_STALL_1_MILLISECOND 10000
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#define EFI_SCSI_STALL_1_SECOND 10000000
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///
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/// this macro cannot be directly used by the gBS->Stall(),
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/// since the value output by this macro is in 100ns unit,
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/// not 1us unit (1us = 1000ns)
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///
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#define EFI_SCSI_STALL_SECONDS(a) ((a) * EFI_SCSI_STALL_1_SECOND)
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/**
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Execute Test Unit Ready SCSI command on a specific SCSI target.
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Executes the Test Unit Ready command on the SCSI target specified by ScsiIo.
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If Timeout is zero, then this function waits indefinitely for the command to complete.
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If Timeout is greater than zero, then the command is executed and will timeout after Timeout 100 ns units.
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If ScsiIo is NULL, then ASSERT().
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If SenseDataLength is NULL, then ASSERT().
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If HostAdapterStatus is NULL, then ASSERT().
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If TargetStatus is NULL, then ASSERT().
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@param[in] ScsiIo A pointer to the SCSI I/O Protocol instance
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for the specific SCSI target.
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@param[in] Timeout The timeout in 100 ns units to use for the execution
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of this SCSI Request Packet. A Timeout value of
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zero means that this function will wait indefinitely
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for the SCSI Request Packet to execute. If Timeout
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is greater than zero, then this function will return
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EFI_TIMEOUT if the time required to execute the SCSI
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Request Packet is greater than Timeout.
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@param[in, out] SenseData A pointer to sense data that was generated by
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the execution of the SCSI Request Packet. This
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buffer must be allocated by the caller.
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If SenseDataLength is 0, then this parameter is
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optional and may be NULL.
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@param[in, out] SenseDataLength On input, a pointer to the length in bytes of
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the SenseData buffer. On output, a poiinter to
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the number of bytes written to the SenseData buffer.
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@param[out] HostAdapterStatus The status of the SCSI Host Controller that produces
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the SCSI bus containing the SCSI target specified by
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ScsiIo when the SCSI Request Packet was executed.
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See the EFI SCSI I/O Protocol in the UEFI Specification
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for details on the possible return values.
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@param[out] TargetStatus The status returned by the SCSI target specified
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by ScsiIo when the SCSI Request Packat was executed
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on the SCSI Host Controller. See the EFI SCSI I/O
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Protocol in the UEFI Specification for details on
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the possible return values.
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@retval EFI_SUCCESS The command was executed successfully.
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See HostAdapterStatus, TargetStatus, SenseDataLength,
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and SenseData in that order for additional status
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information.
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@retval EFI_NOT_READY The SCSI Request Packet could not be sent because
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there are too many SCSI Command Packets already
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queued. The SCSI Request Packet was not sent, so
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no additional status information is available.
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The caller may retry again later.
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@retval EFI_DEVICE_ERROR A device error occurred while attempting to send
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SCSI Request Packet. See HostAdapterStatus,
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TargetStatus, SenseDataLength, and SenseData in that
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order for additional status information.
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@retval EFI_UNSUPPORTED The command described by the SCSI Request Packet
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is not supported by the SCSI initiator(i.e., SCSI
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Host Controller). The SCSI Request Packet was not
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sent, so no additional status information is available.
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@retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request
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Packet to execute. See HostAdapterStatus, TargetStatus,
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SenseDataLength, and SenseData in that order for
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additional status information.
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@retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed,
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but the entire DataBuffer could not be transferred.
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The actual number of bytes transferred is returned
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in InTransferLength.
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**/
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EFI_STATUS
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EFIAPI
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ScsiTestUnitReadyCommand (
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IN EFI_SCSI_IO_PROTOCOL *ScsiIo,
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IN UINT64 Timeout,
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IN OUT VOID *SenseData, OPTIONAL
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IN OUT UINT8 *SenseDataLength,
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OUT UINT8 *HostAdapterStatus,
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OUT UINT8 *TargetStatus
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);
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/**
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Execute Inquiry SCSI command on a specific SCSI target.
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Executes the Inquiry command on the SCSI target specified by ScsiIo.
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If Timeout is zero, then this function waits indefinitely for the command to complete.
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If Timeout is greater than zero, then the command is executed and will timeout after Timeout 100 ns units.
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If ScsiIo is NULL, then ASSERT().
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If SenseDataLength is NULL, then ASSERT().
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If HostAdapterStatus is NULL, then ASSERT().
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If TargetStatus is NULL, then ASSERT().
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If InquiryDataLength is NULL, then ASSERT().
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@param[in] ScsiIo A pointer to the SCSI I/O Protocol instance
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for the specific SCSI target.
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@param[in] Timeout The timeout in 100 ns units to use for the
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execution of this SCSI Request Packet. A Timeout
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value of zero means that this function will wait
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indefinitely for the SCSI Request Packet to execute.
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If Timeout is greater than zero, then this function
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will return EFI_TIMEOUT if the time required to
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execute the SCSI Request Packet is greater than Timeout.
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@param[in, out] SenseData A pointer to sense data that was generated
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by the execution of the SCSI Request Packet.
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This buffer must be allocated by the caller.
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If SenseDataLength is 0, then this parameter
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is optional and may be NULL.
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@param[in, out] SenseDataLength On input, the length in bytes of the SenseData buffer.
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On output, the number of bytes written to the SenseData buffer.
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@param[out] HostAdapterStatus The status of the SCSI Host Controller that
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produces the SCSI bus containing the SCSI
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target specified by ScsiIo when the SCSI
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Request Packet was executed. See the EFI
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SCSI I/O Protocol in the UEFI Specification
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for details on the possible return values.
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@param[out] TargetStatus The status returned by the SCSI target specified
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by ScsiIo when the SCSI Request Packat was
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executed on the SCSI Host Controller.
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See the EFI SCSI I/O Protocol in the UEFI
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Specification for details on the possible
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return values.
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@param[in, out] InquiryDataBuffer A pointer to inquiry data that was generated
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by the execution of the SCSI Request Packet.
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This buffer must be allocated by the caller.
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If InquiryDataLength is 0, then this parameter
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is optional and may be NULL.
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@param[in, out] InquiryDataLength On input, a pointer to the length in bytes
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of the InquiryDataBuffer buffer.
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On output, a pointer to the number of bytes
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written to the InquiryDataBuffer buffer.
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@param[in] EnableVitalProductData If TRUE, then the supported vital product
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data is returned in InquiryDataBuffer.
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If FALSE, then the standard inquiry data is
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returned in InquiryDataBuffer.
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@retval EFI_SUCCESS The command was executed successfully. See HostAdapterStatus,
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TargetStatus, SenseDataLength, and SenseData in that order
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for additional status information.
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@retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, but the entire
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InquiryDataBuffer could not be transferred. The actual
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number of bytes transferred is returned in InquiryDataLength.
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@retval EFI_NOT_READY The SCSI Request Packet could not be sent because there
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are too many SCSI Command Packets already queued.
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The SCSI Request Packet was not sent, so no additional
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status information is available. The caller may retry again later.
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@retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI
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Request Packet. See HostAdapterStatus, TargetStatus,
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SenseDataLength, and SenseData in that order for additional
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status information.
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@retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not
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supported by the SCSI initiator(i.e., SCSI Host Controller).
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The SCSI Request Packet was not sent, so no additional
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status information is available.
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@retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request
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Packet to execute. See HostAdapterStatus, TargetStatus,
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SenseDataLength, and SenseData in that order for
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additional status information.
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**/
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EFI_STATUS
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EFIAPI
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ScsiInquiryCommand (
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IN EFI_SCSI_IO_PROTOCOL *ScsiIo,
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IN UINT64 Timeout,
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IN OUT VOID *SenseData, OPTIONAL
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IN OUT UINT8 *SenseDataLength,
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OUT UINT8 *HostAdapterStatus,
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OUT UINT8 *TargetStatus,
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IN OUT VOID *InquiryDataBuffer, OPTIONAL
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IN OUT UINT32 *InquiryDataLength,
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IN BOOLEAN EnableVitalProductData
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);
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/**
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Execute Mode Sense(10) SCSI command on a specific SCSI target.
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Executes the SCSI Mode Sense(10) command on the SCSI target specified by ScsiIo.
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If Timeout is zero, then this function waits indefinitely for the command to complete.
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If Timeout is greater than zero, then the command is executed and will timeout
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after Timeout 100 ns units. The DBDField, PageControl, and PageCode parameters
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are used to construct the CDB for this SCSI command.
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If ScsiIo is NULL, then ASSERT().
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If SenseDataLength is NULL, then ASSERT().
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If HostAdapterStatus is NULL, then ASSERT().
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If TargetStatus is NULL, then ASSERT().
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If DataLength is NULL, then ASSERT().
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@param[in] ScsiIo A pointer to the SCSI I/O Protocol instance
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for the specific SCSI target.
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@param[in] Timeout The timeout in 100 ns units to use for the
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execution of this SCSI Request Packet. A Timeout
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value of zero means that this function will wait
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indefinitely for the SCSI Request Packet to execute.
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If Timeout is greater than zero, then this function
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will return EFI_TIMEOUT if the time required to
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execute the SCSI Request Packet is greater than Timeout.
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@param[in,out] SenseData A pointer to sense data that was generated
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by the execution of the SCSI Request Packet.
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This buffer must be allocated by the caller.
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If SenseDataLength is 0, then this parameter
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is optional and may be NULL.
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@param[in,out] SenseDataLength On input, the length in bytes of the SenseData buffer.
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On output, the number of bytes written to the SenseData buffer.
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@param[out] HostAdapterStatus The status of the SCSI Host Controller that
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produces the SCSI bus containing the SCSI target
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specified by ScsiIo when the SCSI Request Packet
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was executed. See the EFI SCSI I/O Protocol in the
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UEFI Specification for details on the possible
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return values.
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@param[out] TargetStatus The status returned by the SCSI target specified
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by ScsiIo when the SCSI Request Packat was executed
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on the SCSI Host Controller. See the EFI SCSI
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I/O Protocol in the UEFI Specification for details
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on the possible return values.
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@param[in,out] DataBuffer A pointer to data that was generated by the
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execution of the SCSI Request Packet. This
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buffer must be allocated by the caller. If
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DataLength is 0, then this parameter is optional
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and may be NULL.
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@param[in,out] DataLength On input, a pointer to the length in bytes of
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the DataBuffer buffer. On output, a pointer
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to the number of bytes written to the DataBuffer
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buffer.
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@param[in] DBDField Specifies the DBD field of the CDB for this SCSI Command.
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@param[in] PageControl Specifies the PC field of the CDB for this SCSI Command.
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@param[in] PageCode Specifies the Page Control field of the CDB for this SCSI Command.
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@retval EFI_SUCCESS The command was executed successfully.
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See HostAdapterStatus, TargetStatus, SenseDataLength,
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and SenseData in that order for additional status information.
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@retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, but the
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entire DataBuffer could not be transferred.
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The actual number of bytes transferred is returned
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in DataLength.
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@retval EFI_NOT_READY The SCSI Request Packet could not be sent because
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there are too many SCSI Command Packets already queued.
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The SCSI Request Packet was not sent, so no additional
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status information is available. The caller may retry
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again later.
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@retval EFI_DEVICE_ERROR A device error occurred while attempting to send
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SCSI Request Packet. See HostAdapterStatus, TargetStatus,
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SenseDataLength, and SenseData in that order for
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additional status information.
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@retval EFI_UNSUPPORTED The command described by the SCSI Request Packet
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is not supported by the SCSI initiator(i.e., SCSI
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Host Controller). The SCSI Request Packet was not
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sent, so no additional status information is available.
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@retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI
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Request Packet to execute. See HostAdapterStatus,
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TargetStatus, SenseDataLength, and SenseData in that
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order for additional status information.
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**/
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EFI_STATUS
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EFIAPI
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ScsiModeSense10Command (
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IN EFI_SCSI_IO_PROTOCOL *ScsiIo,
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IN UINT64 Timeout,
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IN OUT VOID *SenseData, OPTIONAL
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IN OUT UINT8 *SenseDataLength,
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OUT UINT8 *HostAdapterStatus,
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OUT UINT8 *TargetStatus,
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IN OUT VOID *DataBuffer, OPTIONAL
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IN OUT UINT32 *DataLength,
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IN UINT8 DBDField, OPTIONAL
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IN UINT8 PageControl,
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IN UINT8 PageCode
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);
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/**
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Execute Request Sense SCSI command on a specific SCSI target.
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Executes the Request Sense command on the SCSI target specified by ScsiIo.
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If Timeout is zero, then this function waits indefinitely for the command to complete.
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If Timeout is greater than zero, then the command is executed and will timeout after Timeout 100 ns units.
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If ScsiIo is NULL, then ASSERT().
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If SenseDataLength is NULL, then ASSERT().
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If HostAdapterStatus is NULL, then ASSERT().
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If TargetStatus is NULL, then ASSERT().
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@param[in] ScsiIo A pointer to SCSI IO protocol.
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@param[in] Timeout The length of timeout period.
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@param[in, out] SenseData A pointer to output sense data.
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@param[in, out] SenseDataLength The length of output sense data.
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@param[out] HostAdapterStatus The status of Host Adapter.
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@param[out] TargetStatus The status of the target.
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@retval EFI_SUCCESS Command is executed successfully.
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@retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are
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too many SCSI Command Packets already queued.
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@retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI Request Packet.
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@retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not supported by
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the SCSI initiator(i.e., SCSI Host Controller)
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@retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute.
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**/
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EFI_STATUS
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EFIAPI
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ScsiRequestSenseCommand (
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IN EFI_SCSI_IO_PROTOCOL *ScsiIo,
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IN UINT64 Timeout,
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IN OUT VOID *SenseData, OPTIONAL
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IN OUT UINT8 *SenseDataLength,
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OUT UINT8 *HostAdapterStatus,
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OUT UINT8 *TargetStatus
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);
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/**
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Execute Read Capacity SCSI command on a specific SCSI target.
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Executes the SCSI Read Capacity command on the SCSI target specified by ScsiIo.
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If Timeout is zero, then this function waits indefinitely for the command to complete.
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If Timeout is greater than zero, then the command is executed and will timeout after
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Timeout 100 ns units. The PMI parameter is used to construct the CDB for this SCSI command.
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If ScsiIo is NULL, then ASSERT().
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If SenseDataLength is NULL, then ASSERT().
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If HostAdapterStatus is NULL, then ASSERT().
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If TargetStatus is NULL, then ASSERT().
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If DataLength is NULL, then ASSERT().
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@param[in] ScsiIo A pointer to SCSI IO protocol.
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@param[in] Timeout The length of timeout period.
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@param[in, out] SenseData A pointer to output sense data.
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@param[in, out] SenseDataLength The length of output sense data.
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@param[out] HostAdapterStatus The status of Host Adapter.
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@param[out] TargetStatus The status of the target.
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@param[in, out] DataBuffer A pointer to a data buffer.
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@param[in, out] DataLength The length of data buffer.
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@param[in] PMI Partial medium indicator.
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@retval EFI_SUCCESS Command is executed successfully.
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@retval EFI_WARN_BUFFER_TOO_SMALL The SCSI Request Packet was executed, but the entire DataBuffer could
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not be transferred. The actual number of bytes transferred is returned in DataLength.
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@retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are too many
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SCSI Command Packets already queued.
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@retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI Request Packet.
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@retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not supported by
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the SCSI initiator(i.e., SCSI Host Controller)
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@retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute.
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**/
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EFI_STATUS
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EFIAPI
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ScsiReadCapacityCommand (
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IN EFI_SCSI_IO_PROTOCOL *ScsiIo,
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IN UINT64 Timeout,
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IN OUT VOID *SenseData, OPTIONAL
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IN OUT UINT8 *SenseDataLength,
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OUT UINT8 *HostAdapterStatus,
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OUT UINT8 *TargetStatus,
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IN OUT VOID *DataBuffer, OPTIONAL
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IN OUT UINT32 *DataLength,
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IN BOOLEAN PMI
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);
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/**
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Execute Read(10) SCSI command on a specific SCSI target.
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Executes the SCSI Read(10) command on the SCSI target specified by ScsiIo.
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If Timeout is zero, then this function waits indefinitely for the command to complete.
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If Timeout is greater than zero, then the command is executed and will timeout
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after Timeout 100 ns units. The StartLba and SectorSize parameters are used to
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construct the CDB for this SCSI command.
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If ScsiIo is NULL, then ASSERT().
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If SenseDataLength is NULL, then ASSERT().
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If HostAdapterStatus is NULL, then ASSERT().
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If TargetStatus is NULL, then ASSERT().
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If DataLength is NULL, then ASSERT().
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@param[in] ScsiIo A pointer to SCSI IO protocol.
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@param[in] Timeout The length of timeout period.
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@param[in, out] SenseData A pointer to output sense data.
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@param[in, out] SenseDataLength The length of output sense data.
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@param[out] HostAdapterStatus The status of Host Adapter.
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@param[out] TargetStatus The status of the target.
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@param[in, out] DataBuffer Read 10 command data.
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@param[in, out] DataLength The length of data buffer.
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@param[in] StartLba The start address of LBA.
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@param[in] SectorSize The sector size.
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@retval EFI_SUCCESS Command is executed successfully.
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@retval EFI_WARN_BUFFER_TOO_SMALL The SCSI Request Packet was executed, but the entire DataBuffer could
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not be transferred. The actual number of bytes transferred is returned in DataLength.
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@retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are too many
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SCSI Command Packets already queued.
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@retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI Request Packet.
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@retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not supported by
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the SCSI initiator(i.e., SCSI Host Controller)
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@retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute.
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**/
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EFI_STATUS
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EFIAPI
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ScsiRead10Command (
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IN EFI_SCSI_IO_PROTOCOL *ScsiIo,
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IN UINT64 Timeout,
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IN OUT VOID *SenseData, OPTIONAL
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IN OUT UINT8 *SenseDataLength,
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OUT UINT8 *HostAdapterStatus,
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OUT UINT8 *TargetStatus,
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IN OUT VOID *DataBuffer, OPTIONAL
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IN OUT UINT32 *DataLength,
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IN UINT32 StartLba,
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IN UINT32 SectorSize
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);
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/**
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Execute Write(10) SCSI command on a specific SCSI target.
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Executes the SCSI Write(10) command on the SCSI target specified by ScsiIo.
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If Timeout is zero, then this function waits indefinitely for the command to complete.
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If Timeout is greater than zero, then the command is executed and will timeout after
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Timeout 100 ns units. The StartLba and SectorSize parameters are used to construct
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the CDB for this SCSI command.
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If ScsiIo is NULL, then ASSERT().
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If SenseDataLength is NULL, then ASSERT().
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If HostAdapterStatus is NULL, then ASSERT().
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If TargetStatus is NULL, then ASSERT().
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If DataLength is NULL, then ASSERT().
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@param[in] ScsiIo SCSI IO Protocol to use
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@param[in] Timeout The length of timeout period.
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@param[in, out] SenseData A pointer to output sense data.
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@param[in, out] SenseDataLength The length of output sense data.
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@param[out] HostAdapterStatus The status of Host Adapter.
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@param[out] TargetStatus The status of the target.
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@param[in, out] DataBuffer A pointer to a data buffer.
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@param[in, out] DataLength The length of data buffer.
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@param[in] StartLba The start address of LBA.
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@param[in] SectorSize The sector size.
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@retval EFI_SUCCESS Command is executed successfully.
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@retval EFI_WARN_BUFFER_TOO_SMALL The SCSI Request Packet was executed, but the entire DataBuffer could
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|
not be transferred. The actual number of bytes transferred is returned in DataLength.
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|
@retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are too many
|
|
SCSI Command Packets already queued.
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@retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI Request Packet.
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|
@retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not supported by
|
|
the SCSI initiator(i.e., SCSI Host Controller)
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@retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute.
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|
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**/
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EFI_STATUS
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EFIAPI
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ScsiWrite10Command (
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IN EFI_SCSI_IO_PROTOCOL *ScsiIo,
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IN UINT64 Timeout,
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IN OUT VOID *SenseData, OPTIONAL
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IN OUT UINT8 *SenseDataLength,
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|
OUT UINT8 *HostAdapterStatus,
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|
OUT UINT8 *TargetStatus,
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|
IN OUT VOID *DataBuffer, OPTIONAL
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|
IN OUT UINT32 *DataLength,
|
|
IN UINT32 StartLba,
|
|
IN UINT32 SectorSize
|
|
);
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|
|
|
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#endif
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