2007-06-28 09:00:39 +02:00
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/*++
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Copyright (c) 2004, Intel Corporation
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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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Module Name:
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ScsiPassThru.h
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Abstract:
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SCSI Pass Through protocol.
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--*/
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#ifndef __SCSI_PT_H__
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#define __SCSI_PT_H__
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#define EFI_SCSI_PASS_THRU_PROTOCOL_GUID \
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{ \
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2008-03-28 13:00:46 +01:00
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0xa59e8fcf, 0xbda0, 0x43bb, {0x90, 0xb1, 0xd3, 0x73, 0x2e, 0xca, 0xa8, 0x77} \
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2007-06-28 09:00:39 +02:00
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}
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//
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// Forward reference for pure ANSI compatability
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//
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EFI_FORWARD_DECLARATION (EFI_SCSI_PASS_THRU_PROTOCOL);
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#define EFI_SCSI_PASS_THRU_ATTRIBUTES_PHYSICAL 0x0001
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#define EFI_SCSI_PASS_THRU_ATTRIBUTES_LOGICAL 0x0002
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#define EFI_SCSI_PASS_THRU_ATTRIBUTES_NONBLOCKIO 0x0004
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//
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// SCSI Host Adapter Status definition
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//
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#define EFI_SCSI_STATUS_HOST_ADAPTER_OK 0x00
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#define EFI_SCSI_STATUS_HOST_ADAPTER_TIMEOUT_COMMAND 0x09 // timeout when processing the command
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#define EFI_SCSI_STATUS_HOST_ADAPTER_TIMEOUT 0x0b // timeout when waiting for the command processing
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#define EFI_SCSI_STATUS_HOST_ADAPTER_MESSAGE_REJECT 0x0d // a message reject was received when processing command
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#define EFI_SCSI_STATUS_HOST_ADAPTER_BUS_RESET 0x0e // a bus reset was detected
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#define EFI_SCSI_STATUS_HOST_ADAPTER_PARITY_ERROR 0x0f
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#define EFI_SCSI_STATUS_HOST_ADAPTER_REQUEST_SENSE_FAILED 0x10 // the adapter failed in issuing request sense command
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#define EFI_SCSI_STATUS_HOST_ADAPTER_SELECTION_TIMEOUT 0x11 // selection timeout
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#define EFI_SCSI_STATUS_HOST_ADAPTER_DATA_OVERRUN_UNDERRUN 0x12 // data overrun or data underrun
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#define EFI_SCSI_STATUS_HOST_ADAPTER_BUS_FREE 0x13 // Unexepected bus free
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#define EFI_SCSI_STATUS_HOST_ADAPTER_PHASE_ERROR 0x14 // Target bus phase sequence failure
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#define EFI_SCSI_STATUS_HOST_ADAPTER_OTHER 0x7f
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//
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// SCSI Target Status definition
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//
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#define EFI_SCSI_STATUS_TARGET_GOOD 0x00
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#define EFI_SCSI_STATUS_TARGET_CHECK_CONDITION 0x02 // check condition
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#define EFI_SCSI_STATUS_TARGET_CONDITION_MET 0x04 // condition met
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#define EFI_SCSI_STATUS_TARGET_BUSY 0x08 // busy
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#define EFI_SCSI_STATUS_TARGET_INTERMEDIATE 0x10 // intermediate
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#define EFI_SCSI_STATUS_TARGET_INTERMEDIATE_CONDITION_MET 0x14 // intermediate-condition met
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#define EFI_SCSI_STATUS_TARGET_RESERVATION_CONFLICT 0x18 // reservation conflict
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#define EFI_SCSI_STATUS_TARGET_COMMOND_TERMINATED 0x22 // command terminated
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#define EFI_SCSI_STATUS_TARGET_QUEUE_FULL 0x28 // queue full
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typedef struct {
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UINT64 Timeout;
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VOID *DataBuffer;
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VOID *SenseData;
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VOID *Cdb;
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UINT32 TransferLength;
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UINT8 CdbLength;
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UINT8 DataDirection;
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UINT8 HostAdapterStatus;
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UINT8 TargetStatus;
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UINT8 SenseDataLength;
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} EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET;
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typedef struct {
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CHAR16 *ControllerName;
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CHAR16 *ChannelName;
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UINT32 AdapterId;
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UINT32 Attributes;
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UINT32 IoAlign;
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} EFI_SCSI_PASS_THRU_MODE;
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SCSI_PASS_THRU_PASSTHRU) (
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IN EFI_SCSI_PASS_THRU_PROTOCOL * This,
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IN UINT32 Target,
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IN UINT64 Lun,
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IN OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET * Packet,
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IN EFI_EVENT Event OPTIONAL
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)
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/*++
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Routine Description:
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Sends a SCSI Request Packet to a SCSI device that is attached to
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the SCSI channel. This function supports both blocking I/O and
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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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Arguments:
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This - Protocol instance pointer.
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Target - The Target ID of the SCSI device to
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send the SCSI Request Packet.
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Lun - The LUN of the SCSI device to send the
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SCSI Request Packet.
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Packet - A pointer to the SCSI Request Packet to send
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to the SCSI device specified by Target and Lun.
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Event - If non-blocking I/O is not supported then Event
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is ignored, and blocking I/O is performed.
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If Event is NULL, then blocking I/O is performed.
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If Event is not NULL and non blocking I/O is
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supported, then non-blocking I/O is performed,
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and Event will be signaled when the SCSI Request
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Packet completes
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Returns:
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EFI_SUCCESSThe - SCSI Request Packet was sent by the host, and
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TransferLength bytes were transferred to/from
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DataBuffer.See HostAdapterStatus, TargetStatus,
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SenseDataLength,and SenseData in that order
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for additional status information.
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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 TransferLength. See HostAdapterStatus,
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TargetStatus, SenseDataLength, and SenseData in
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that order for additional status information.
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EFI_NOT_READY - The SCSI Request Packet could not be sent because
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there are too many SCSI Request Packets already
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queued. The caller may retry again later.
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EFI_DEVICE_ERROR - A device error occurred while attempting to send
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the SCSI Request Packet. See HostAdapterStatus,
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TargetStatus, SenseDataLength, and SenseData in
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that order for additional status information.
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EFI_INVALID_PARAMETER - Target, Lun, or the contents of ScsiRequestPacket
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are invalid. The SCSI Request Packet was not sent,
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so no additional status information is available.
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EFI_UNSUPPORTED - The command described by the SCSI Request Packet
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is not supported by the host adapter. The SCSI
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Request Packet was not sent, so no additional
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status information is available.
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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
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that order for additional status information.
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--*/
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;
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SCSI_PASS_THRU_GET_NEXT_DEVICE) (
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IN EFI_SCSI_PASS_THRU_PROTOCOL * This,
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IN OUT UINT32 *Target,
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IN OUT UINT64 *Lun
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)
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/*++
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Routine Description:
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Used to retrieve the list of legal Target IDs for SCSI devices
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on a SCSI channel.
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Arguments:
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This - Protocol instance pointer.
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Target - On input, a pointer to the Target ID of a
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SCSI device present on the SCSI channel.
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On output, a pointer to the Target ID of
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the next SCSI device present on a SCSI channel.
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An input value of 0xFFFFFFFF retrieves the
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Target ID of the first SCSI device present on
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a SCSI channel.
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Lun - On input, a pointer to the LUN of a SCSI device
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present on the SCSI channel.On output, a pointer
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to the LUN of the next SCSI device present on a
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SCSI channel.
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Returns:
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EFI_SUCCESS - The Target ID of the next SCSI device on the SCSI
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channel was returned in Target and Lun.
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EFI_NOT_FOUND - There are no more SCSI devices on this SCSI channel.
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EFI_INVALID_PARAMETER - Target is not 0xFFFFFFFF, and Target and Lun were
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not returned on a previous call to GetNextDevice().
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--*/
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;
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SCSI_PASS_THRU_BUILD_DEVICE_PATH) (
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IN EFI_SCSI_PASS_THRU_PROTOCOL * This,
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IN UINT32 Target,
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IN UINT64 Lun,
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IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath
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)
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/*++
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Routine Description:
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Used to allocate and build a device path node for a SCSI device
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on a SCSI channel.
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Arguments:
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This - Protocol instance pointer.
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Target - The Target ID of the SCSI device for which
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a device path node is to be allocated and built.
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Lun - The LUN of the SCSI device for which a device
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path node is to be allocated and built.
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DevicePath - A pointer to a single device path node that
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describes the SCSI device specified by
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Target and Lun. This function is responsible
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for allocating the buffer DevicePath with the boot
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service AllocatePool(). It is the caller's
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responsibility to free DevicePath when the caller
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is finished with DevicePath.
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Returns:
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EFI_SUCCESS - The device path node that describes the SCSI device
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specified by Target and Lun was allocated and
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returned in DevicePath.
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EFI_NOT_FOUND - The SCSI devices specified by Target and Lun does
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not exist on the SCSI channel.
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EFI_INVALID_PARAMETER - DevicePath is NULL.
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EFI_OUT_OF_RESOURCES - There are not enough resources to allocate
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DevicePath.
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--*/
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;
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SCSI_PASS_THRU_GET_TARGET_LUN) (
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IN EFI_SCSI_PASS_THRU_PROTOCOL * This,
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IN EFI_DEVICE_PATH_PROTOCOL * DevicePath,
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OUT UINT32 *Target,
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OUT UINT64 *Lun
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)
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/*++
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Routine Description:
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Used to translate a device path node to a Target ID and LUN.
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Arguments:
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This - Protocol instance pointer.
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DevicePath - A pointer to the device path node that
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describes a SCSI device on the SCSI channel.
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Target - A pointer to the Target ID of a SCSI device
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on the SCSI channel.
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Lun - A pointer to the LUN of a SCSI device on
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the SCSI channel.
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Returns:
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EFI_SUCCESS - DevicePath was successfully translated to a
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Target ID and LUN, and they were returned
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in Target and Lun.
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EFI_INVALID_PARAMETER - DevicePath is NULL.
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EFI_INVALID_PARAMETER - Target is NULL.
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EFI_INVALID_PARAMETER - Lun is NULL.
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EFI_UNSUPPORTED - This driver does not support the device path
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node type in DevicePath.
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EFI_NOT_FOUND - A valid translation from DevicePath to a
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Target ID and LUN does not exist.
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--*/
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;
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SCSI_PASS_THRU_RESET_CHANNEL) (
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IN EFI_SCSI_PASS_THRU_PROTOCOL * This
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)
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/*++
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Routine Description:
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Resets a SCSI channel.This operation resets all the
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SCSI devices connected to the SCSI channel.
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Arguments:
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This - Protocol instance pointer.
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Returns:
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EFI_SUCCESS - The SCSI channel was reset.
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EFI_UNSUPPORTED - The SCSI channel does not support
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a channel reset operation.
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EFI_DEVICE_ERROR - A device error occurred while
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attempting to reset the SCSI channel.
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EFI_TIMEOUT - A timeout occurred while attempting
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to reset the SCSI channel.
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--*/
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;
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SCSI_PASS_THRU_RESET_TARGET) (
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IN EFI_SCSI_PASS_THRU_PROTOCOL * This,
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IN UINT32 Target,
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IN UINT64 Lun
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)
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/*++
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Routine Description:
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Resets a SCSI device that is connected to a SCSI channel.
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Arguments:
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This - Protocol instance pointer.
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Target - The Target ID of the SCSI device to reset.
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Lun - The LUN of the SCSI device to reset.
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Returns:
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EFI_SUCCESS - The SCSI device specified by Target and
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Lun was reset.
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EFI_UNSUPPORTED - The SCSI channel does not support a target
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reset operation.
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EFI_INVALID_PARAMETER - Target or Lun are invalid.
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EFI_DEVICE_ERROR - A device error occurred while attempting
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to reset the SCSI device specified by Target
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and Lun.
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EFI_TIMEOUT - A timeout occurred while attempting to reset
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the SCSI device specified by Target and Lun.
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--*/
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;
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2008-03-20 17:37:48 +01:00
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struct _EFI_SCSI_PASS_THRU_PROTOCOL {
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2007-06-28 09:00:39 +02:00
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EFI_SCSI_PASS_THRU_MODE *Mode;
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EFI_SCSI_PASS_THRU_PASSTHRU PassThru;
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EFI_SCSI_PASS_THRU_GET_NEXT_DEVICE GetNextDevice;
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EFI_SCSI_PASS_THRU_BUILD_DEVICE_PATH BuildDevicePath;
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EFI_SCSI_PASS_THRU_GET_TARGET_LUN GetTargetLun;
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EFI_SCSI_PASS_THRU_RESET_CHANNEL ResetChannel;
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EFI_SCSI_PASS_THRU_RESET_TARGET ResetTarget;
|
2008-03-20 17:37:48 +01:00
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};
|
2007-06-28 09:00:39 +02:00
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extern EFI_GUID gEfiScsiPassThruProtocolGuid;
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#endif
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