/*++ Copyright (c) 1994 Arcada Software Inc. All rights reserved. Module Name: dlttape.c Abstract: This module contains device specific routines for DLT drives. Authors: John Boyer (Arcada Software) Mike Colandreo (Arcada Software) Environment: kernel mode only Revision History: --*/ #include "minitape.h" // // Internal (module wide) defines that symbolize // the Archive QIC drives supported by this module. // #define CIP_T860DLT 1 // aka the Cipher T860 DLT // Vendor ID - CIPHER // Product ID - T860s // Revision - 430A #define DEC_TZ85 2 // aka the DEC TZ85 // Vendor ID - DEC // Product ID - THZ02 (C)DEC // Revision - 4314 #define CIP_DLT2000 3 // aka the Cipher DLT 2000 // Vendor ID - CIPHER // Product ID - DLT2000 // Revision - 8E01 #define DEC_TZ87 4 // aka the DEC TZ87 // Vendor ID - DEC // Product ID - (C)DEC // Revision - 9104 // // Function prototype(s) for internal function(s) // // // Minitape extension definition. // typedef struct _MINITAPE_EXTENSION { ULONG DriveID ; BOOLEAN CompressionOn ; } MINITAPE_EXTENSION, *PMINITAPE_EXTENSION ; // // Command extension definition. // typedef struct _COMMAND_EXTENSION { ULONG CurrentState; } COMMAND_EXTENSION, *PCOMMAND_EXTENSION; // // Function Prototype(s) for internal function(s) // static ULONG WhichIsIt(IN PINQUIRYDATA InquiryData); BOOLEAN VerifyInquiry( IN PINQUIRYDATA InquiryData, IN PMODE_CAPABILITIES_PAGE ModeCapabilitiesPage ); VOID ExtensionInit( OUT PVOID MinitapeExtension, IN PINQUIRYDATA InquiryData, IN PMODE_CAPABILITIES_PAGE ModeCapabilitiesPage ); TAPE_STATUS CreatePartition( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ); TAPE_STATUS Erase( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ); TAPE_STATUS GetDriveParameters( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ); TAPE_STATUS GetMediaParameters( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ); TAPE_STATUS GetPosition( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ); TAPE_STATUS GetStatus( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ); TAPE_STATUS Prepare( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ); TAPE_STATUS SetDriveParameters( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ); TAPE_STATUS SetMediaParameters( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ); TAPE_STATUS SetPosition( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ); TAPE_STATUS WriteMarks( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ); VOID TapeError( IN OUT PVOID MinitapeExtension, IN OUT PSCSI_REQUEST_BLOCK Srb, IN OUT TAPE_STATUS *LastError ); ULONG DriverEntry( IN PVOID Argument1, IN PVOID Argument2 ) /*++ Routine Description: Driver entry point for tape minitape driver. Arguments: Argument1 - Supplies the first argument. Argument2 - Supplies the second argument. Return Value: Status from TapeClassInitialize() --*/ { TAPE_INIT_DATA tapeInitData; TapeClassZeroMemory( &tapeInitData, sizeof(TAPE_INIT_DATA)); tapeInitData.VerifyInquiry = VerifyInquiry; tapeInitData.QueryModeCapabilitiesPage = FALSE ; tapeInitData.MinitapeExtensionSize = sizeof(MINITAPE_EXTENSION); tapeInitData.ExtensionInit = ExtensionInit; tapeInitData.DefaultTimeOutValue = 360; tapeInitData.TapeError = TapeError ; tapeInitData.CommandExtensionSize = sizeof(COMMAND_EXTENSION); tapeInitData.CreatePartition = CreatePartition; tapeInitData.Erase = Erase; tapeInitData.GetDriveParameters = GetDriveParameters; tapeInitData.GetMediaParameters = GetMediaParameters; tapeInitData.GetPosition = GetPosition; tapeInitData.GetStatus = GetStatus; tapeInitData.Prepare = Prepare; tapeInitData.SetDriveParameters = SetDriveParameters; tapeInitData.SetMediaParameters = SetMediaParameters; tapeInitData.SetPosition = SetPosition; tapeInitData.WriteMarks = WriteMarks; return TapeClassInitialize(Argument1, Argument2, &tapeInitData); } BOOLEAN VerifyInquiry( IN PINQUIRYDATA InquiryData, IN PMODE_CAPABILITIES_PAGE ModeCapabilitiesPage ) /*++ Routine Description: This routine examines the given inquiry data to determine whether or not the given device is one that may be controller by this driver. Arguments: InquiryData - Supplies the SCSI inquiry data. Return Value: FALSE - This driver does not recognize the given device. TRUE - This driver recognizes the given device. --*/ { return WhichIsIt(InquiryData) ? TRUE : FALSE; } VOID ExtensionInit( OUT PVOID MinitapeExtension, IN PINQUIRYDATA InquiryData, IN PMODE_CAPABILITIES_PAGE ModeCapabilitiesPage ) /*++ Routine Description: This routine is called at driver initialization time to initialize the minitape extension. Arguments: MinitapeExtension - Supplies the minitape extension. Return Value: None. --*/ { PMINITAPE_EXTENSION extension = MinitapeExtension; extension->DriveID = WhichIsIt(InquiryData); extension->CompressionOn = FALSE ; } TAPE_STATUS CreatePartition( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ) /*++ Routine Description: This is the TAPE COMMAND routine for a Create Partition requests. Arguments: MinitapeExtension - Supplies the minitape extension. CommandExtension - Supplies the ioctl extension. CommandParameters - Supplies the command parameters. Srb - Supplies the SCSI request block. CallNumber - Supplies the call number. RetryFlags - Supplies the retry flags. Return Value: TAPE_STATUS_SEND_SRB_AND_CALLBACK - The SRB is ready to be sent (a callback is requested.) TAPE_STATUS_SUCCESS - The command is complete and successful. Otherwise - An error occurred. --*/ { DebugPrint((3,"TapeCreatePartition: Enter routine\n")); DebugPrint((1,"TapeCreatePartition: operation not supported\n")); return TAPE_STATUS_NOT_IMPLEMENTED; } // end TapeCreatePartition() TAPE_STATUS Erase( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ) /*++ Routine Description: This is the TAPE COMMAND routine for an Erase requests. Arguments: MinitapeExtension - Supplies the minitape extension. CommandExtension - Supplies the ioctl extension. CommandParameters - Supplies the command parameters. Srb - Supplies the SCSI request block. CallNumber - Supplies the call number. RetryFlags - Supplies the retry flags. Return Value: TAPE_STATUS_SEND_SRB_AND_CALLBACK - The SRB is ready to be sent (a callback is requested.) TAPE_STATUS_SUCCESS - The command is complete and successful. Otherwise - An error occurred. --*/ { PTAPE_ERASE tapeErase = CommandParameters; PCDB cdb = (PCDB) Srb->Cdb; DebugPrint((3,"TapeErase: Enter routine\n")); if (CallNumber == 0) { if (tapeErase->Immediate) { switch (tapeErase->Type) { case TAPE_ERASE_LONG: DebugPrint((3,"TapeErase: immediate\n")); break; case TAPE_ERASE_SHORT: default: DebugPrint((1,"TapeErase: EraseType, immediate -- operation not supported\n")); return TAPE_STATUS_NOT_IMPLEMENTED; } } switch (tapeErase->Type) { case TAPE_ERASE_LONG: DebugPrint((3,"TapeErase: long\n")); break; case TAPE_ERASE_SHORT: default: DebugPrint((1,"TapeErase: EraseType -- operation not supported\n")); return TAPE_STATUS_NOT_IMPLEMENTED; } // // Prepare SCSI command (CDB) // Srb->CdbLength = CDB6GENERIC_LENGTH; TapeClassZeroMemory(cdb, MAXIMUM_CDB_SIZE); cdb->ERASE.OperationCode = SCSIOP_ERASE; cdb->ERASE.Immediate = tapeErase->Immediate; cdb->ERASE.Long = SETBITON; // // Set timeout value. // Srb->TimeOutValue = 23760; // // Send SCSI command (CDB) to device // DebugPrint((3,"TapeErase: SendSrb (erase)\n")); Srb->DataTransferLength = 0 ; return TAPE_STATUS_SEND_SRB_AND_CALLBACK ; } ASSERT( CallNumber = 1 ) ; return TAPE_STATUS_SUCCESS ; } // end TapeErase() VOID TapeError( IN OUT PVOID MinitapeExtension, IN OUT PSCSI_REQUEST_BLOCK Srb, IN TAPE_STATUS *LastError ) /*++ Routine Description: This routine is called for tape requests, to handle tape specific errors: it may/can update the status. Arguments: MinitapeExtension - Supplies the minitape extension. Srb - Supplies the SCSI request block. LastError - Status used to set the IRP's completion status. Retry - Indicates that this request should be retried. Return Value: None. --*/ { PSENSE_DATA senseBuffer = Srb->SenseInfoBuffer; UCHAR sensekey = senseBuffer->SenseKey & 0x0F; UCHAR adsenseq = senseBuffer->AdditionalSenseCodeQualifier; UCHAR adsense = senseBuffer->AdditionalSenseCode; DebugPrint((3,"TapeError: Enter routine\n")); DebugPrint((1,"TapeError: Status 0x%.8X\n", *LastError)); return; } // end TapeError() TAPE_STATUS GetDriveParameters( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ) /*++ Routine Description: This is the TAPE COMMAND routine for a Get Drive Parameters requests. Arguments: MinitapeExtension - Supplies the minitape extension. CommandExtension - Supplies the ioctl extension. CommandParameters - Supplies the command parameters. Srb - Supplies the SCSI request block. CallNumber - Supplies the call number. RetryFlags - Supplies the retry flags. Return Value: TAPE_STATUS_SEND_SRB_AND_CALLBACK - The SRB is ready to be sent (a callback is requested.) TAPE_STATUS_SUCCESS - The command is complete and successful. Otherwise - An error occurred. --*/ { PMINITAPE_EXTENSION extension = MinitapeExtension; PCOMMAND_EXTENSION commandExtension = CommandExtension; PTAPE_GET_DRIVE_PARAMETERS tapeGetDriveParams = CommandParameters; PCDB cdb = (PCDB)Srb->Cdb; PINQUIRYDATA inquiryBuffer; PMODE_DEVICE_CONFIG_PAGE deviceConfigModeSenseBuffer; PMODE_DATA_COMPRESS_PAGE compressionModeSenseBuffer; PREAD_BLOCK_LIMITS_DATA blockLimitsBuffer; DebugPrint((3,"TapeGetDriveParameters: Enter routine\n")); if (CallNumber == 0) { TapeClassZeroMemory(tapeGetDriveParams, sizeof(TAPE_GET_DRIVE_PARAMETERS)); if (!TapeClassAllocateSrbBuffer( Srb, sizeof(MODE_DEVICE_CONFIG_PAGE)) ) { DebugPrint((1,"TapeGetDriveParameters: insufficient resources (deviceConfigModeSenseBuffer)\n")); return TAPE_STATUS_INSUFFICIENT_RESOURCES; } deviceConfigModeSenseBuffer = Srb->DataBuffer ; // // Prepare SCSI command (CDB) // Srb->CdbLength = CDB6GENERIC_LENGTH; TapeClassZeroMemory(cdb, MAXIMUM_CDB_SIZE); cdb->MODE_SENSE.OperationCode = SCSIOP_MODE_SENSE; cdb->MODE_SENSE.Dbd = SETBITON; cdb->MODE_SENSE.PageCode = MODE_PAGE_DEVICE_CONFIG; cdb->MODE_SENSE.AllocationLength = sizeof(MODE_DEVICE_CONFIG_PAGE); // // Send SCSI command (CDB) to device // DebugPrint((3,"TapeGetDriveParameters: SendSrb (mode sense)\n")); Srb->DataTransferLength = sizeof(MODE_DEVICE_CONFIG_PAGE) ; return TAPE_STATUS_SEND_SRB_AND_CALLBACK ; } if ( CallNumber == 1 ) { deviceConfigModeSenseBuffer = Srb->DataBuffer ; tapeGetDriveParams->ReportSetmarks = (deviceConfigModeSenseBuffer->DeviceConfigPage.RSmk? 1 : 0 ); if ( !TapeClassAllocateSrbBuffer( Srb, sizeof(MODE_DATA_COMPRESS_PAGE)) ) { DebugPrint((1,"TapeGetDriveParameters: insufficient resources (compressionModeSenseBuffer)\n")); return TAPE_STATUS_INSUFFICIENT_RESOURCES; } compressionModeSenseBuffer = Srb->DataBuffer ; // // Prepare SCSI command (CDB) // Srb->CdbLength = CDB6GENERIC_LENGTH; TapeClassZeroMemory(cdb, MAXIMUM_CDB_SIZE); cdb->MODE_SENSE.OperationCode = SCSIOP_MODE_SENSE; cdb->MODE_SENSE.Dbd = SETBITON; cdb->MODE_SENSE.PageCode = MODE_PAGE_DATA_COMPRESS; cdb->MODE_SENSE.AllocationLength = sizeof(MODE_DATA_COMPRESS_PAGE); // // Send SCSI command (CDB) to device // DebugPrint((3,"TapeGetDriveParameters: SendSrb (mode sense)\n")); Srb->DataTransferLength = sizeof(MODE_DATA_COMPRESS_PAGE) ; *RetryFlags |= RETURN_ERRORS; return TAPE_STATUS_SEND_SRB_AND_CALLBACK ; } if ( CallNumber == 2 ) { compressionModeSenseBuffer = Srb->DataBuffer ; if ((LastError == TAPE_STATUS_SUCCESS) && compressionModeSenseBuffer->DataCompressPage.DCC) { tapeGetDriveParams->FeaturesLow |= TAPE_DRIVE_COMPRESSION; tapeGetDriveParams->FeaturesHigh |= TAPE_DRIVE_SET_COMPRESSION; tapeGetDriveParams->Compression = (compressionModeSenseBuffer->DataCompressPage.DCE? TRUE : FALSE); } if ( LastError != TAPE_STATUS_SUCCESS ) { switch (extension->DriveID) { case CIP_T860DLT: case DEC_TZ85: case DEC_TZ87: if (LastError == TAPE_STATUS_INVALID_DEVICE_REQUEST) { LastError = TAPE_STATUS_SUCCESS; break; } // else: fall through to next case! default: DebugPrint((1,"TapeGetDriveParameters: mode sense, SendSrb unsuccessful\n")); return LastError; } } if (!TapeClassAllocateSrbBuffer( Srb, sizeof(READ_BLOCK_LIMITS_DATA) ) ) { DebugPrint((1,"TapeGetDriveParameters: insufficient resources (blockLimitsBuffer)\n")); return TAPE_STATUS_INSUFFICIENT_RESOURCES; } blockLimitsBuffer = Srb->DataBuffer ; // // Prepare SCSI command (CDB) // Srb->CdbLength = CDB6GENERIC_LENGTH; TapeClassZeroMemory(cdb, MAXIMUM_CDB_SIZE); cdb->CDB6GENERIC.OperationCode = SCSIOP_READ_BLOCK_LIMITS; // // Send SCSI command (CDB) to device // DebugPrint((3,"TapeGetDriveParameters: SendSrb (read block limits)\n")); Srb->DataTransferLength = sizeof(READ_BLOCK_LIMITS_DATA) ; return TAPE_STATUS_SEND_SRB_AND_CALLBACK ; } ASSERT ( CallNumber == 3 ) ; blockLimitsBuffer = Srb->DataBuffer ; tapeGetDriveParams->MaximumBlockSize = blockLimitsBuffer->BlockMaximumSize[2]; tapeGetDriveParams->MaximumBlockSize += (blockLimitsBuffer->BlockMaximumSize[1] << 8); tapeGetDriveParams->MaximumBlockSize += (blockLimitsBuffer->BlockMaximumSize[0] << 16); tapeGetDriveParams->MinimumBlockSize = blockLimitsBuffer->BlockMinimumSize[1]; tapeGetDriveParams->MinimumBlockSize += (blockLimitsBuffer->BlockMinimumSize[0] << 8); tapeGetDriveParams->DefaultBlockSize = 32768; tapeGetDriveParams->FeaturesLow |= TAPE_DRIVE_ERASE_LONG | TAPE_DRIVE_ERASE_BOP_ONLY | TAPE_DRIVE_ERASE_IMMEDIATE | TAPE_DRIVE_FIXED_BLOCK | TAPE_DRIVE_VARIABLE_BLOCK | TAPE_DRIVE_WRITE_PROTECT | TAPE_DRIVE_GET_ABSOLUTE_BLK | TAPE_DRIVE_GET_LOGICAL_BLK; tapeGetDriveParams->FeaturesHigh |= TAPE_DRIVE_LOAD_UNLOAD | TAPE_DRIVE_REWIND_IMMEDIATE | TAPE_DRIVE_SET_BLOCK_SIZE | TAPE_DRIVE_LOAD_UNLD_IMMED | TAPE_DRIVE_ABSOLUTE_BLK | TAPE_DRIVE_LOGICAL_BLK | TAPE_DRIVE_END_OF_DATA | TAPE_DRIVE_RELATIVE_BLKS | TAPE_DRIVE_FILEMARKS | TAPE_DRIVE_REVERSE_POSITION | TAPE_DRIVE_WRITE_FILEMARKS | TAPE_DRIVE_WRITE_MARK_IMMED; if ((extension->DriveID == CIP_T860DLT)|| (extension->DriveID == CIP_DLT2000)) { tapeGetDriveParams->FeaturesHigh |= TAPE_DRIVE_LOCK_UNLOCK; } tapeGetDriveParams->FeaturesHigh &= ~TAPE_DRIVE_HIGH_FEATURES; DebugPrint((3,"TapeGetDriveParameters: FeaturesLow == 0x%.8X\n", tapeGetDriveParams->FeaturesLow)); DebugPrint((3,"TapeGetDriveParameters: FeaturesHigh == 0x%.8X\n", tapeGetDriveParams->FeaturesHigh)); return TAPE_STATUS_SUCCESS; } // end TapeGetDriveParameters() TAPE_STATUS GetMediaParameters( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ) /*++ Routine Description: This is the TAPE COMMAND routine for a Get Media Parameters requests. Arguments: MinitapeExtension - Supplies the minitape extension. CommandExtension - Supplies the ioctl extension. CommandParameters - Supplies the command parameters. Srb - Supplies the SCSI request block. CallNumber - Supplies the call number. RetryFlags - Supplies the retry flags. Return Value: TAPE_STATUS_SEND_SRB_AND_CALLBACK - The SRB is ready to be sent (a callback is requested.) TAPE_STATUS_SUCCESS - The command is complete and successful. Otherwise - An error occurred. --*/ { PMINITAPE_EXTENSION extension = MinitapeExtension; PTAPE_GET_MEDIA_PARAMETERS tapeGetMediaParams = CommandParameters; PMODE_PARM_READ_WRITE_DATA modeBuffer; UCHAR *SenseData; ULONG remaining; ULONG temp ; PCDB cdb = (PCDB)Srb->Cdb; DebugPrint((3,"TapeGetMediaParameters: Enter routine\n")); if (CallNumber == 0) { return TAPE_STATUS_CHECK_TEST_UNIT_READY; } if (CallNumber == 1) { if ( !TapeClassAllocateSrbBuffer( Srb, sizeof(MODE_PARM_READ_WRITE_DATA)) ) { DebugPrint((1,"TapeGetMediaParameters: insufficient resources (modeBuffer)\n")); return TAPE_STATUS_INSUFFICIENT_RESOURCES; } modeBuffer = Srb->DataBuffer ; // // Prepare SCSI command (CDB) // Srb->CdbLength = CDB6GENERIC_LENGTH; TapeClassZeroMemory(cdb, MAXIMUM_CDB_SIZE); cdb->MODE_SENSE.OperationCode = SCSIOP_MODE_SENSE; cdb->MODE_SENSE.AllocationLength = sizeof(MODE_PARM_READ_WRITE_DATA); // // Send SCSI command (CDB) to device // DebugPrint((3,"TapeGetMediaParameters: SendSrb (mode sense)\n")); Srb->DataTransferLength = sizeof(MODE_PARM_READ_WRITE_DATA) ; return TAPE_STATUS_SEND_SRB_AND_CALLBACK ; } ASSERT (CallNumber == 2 ) ; modeBuffer = Srb->DataBuffer ; tapeGetMediaParams->PartitionCount = 0 ; tapeGetMediaParams->BlockSize = modeBuffer->ParameterListBlock.BlockLength[2]; tapeGetMediaParams->BlockSize += (modeBuffer->ParameterListBlock.BlockLength[1] << 8); tapeGetMediaParams->BlockSize += (modeBuffer->ParameterListBlock.BlockLength[0] << 16); tapeGetMediaParams->WriteProtected = ((modeBuffer->ParameterListHeader.DeviceSpecificParameter >> 7) & 0x01); return TAPE_STATUS_SUCCESS ; } // end TapeGetMediaParameters() TAPE_STATUS GetPosition( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ) /*++ Routine Description: This is the TAPE COMMAND routine for a Get Position requests. Arguments: MinitapeExtension - Supplies the minitape extension. CommandExtension - Supplies the ioctl extension. CommandParameters - Supplies the command parameters. Srb - Supplies the SCSI request block. CallNumber - Supplies the call number. RetryFlags - Supplies the retry flags. Return Value: TAPE_STATUS_SEND_SRB_AND_CALLBACK - The SRB is ready to be sent (a callback is requested.) TAPE_STATUS_SUCCESS - The command is complete and successful. Otherwise - An error occurred. --*/ { PTAPE_GET_POSITION tapeGetPosition = CommandParameters; PCDB cdb = (PCDB)Srb->Cdb; PTAPE_POSITION_DATA logicalBuffer; ULONG type; DebugPrint((3,"TapeGetPosition: Enter routine\n")); if (CallNumber == 0) { type = tapeGetPosition->Type; TapeClassZeroMemory(tapeGetPosition, sizeof(TAPE_GET_POSITION)); tapeGetPosition->Type = type; return TAPE_STATUS_CHECK_TEST_UNIT_READY; } if ( CallNumber == 1 ) { // // Prepare SCSI command (CDB) // Srb->CdbLength = CDB6GENERIC_LENGTH; TapeClassZeroMemory(cdb, MAXIMUM_CDB_SIZE); cdb->WRITE_TAPE_MARKS.OperationCode = SCSIOP_WRITE_FILEMARKS; cdb->WRITE_TAPE_MARKS.Immediate = FALSE ; cdb->WRITE_TAPE_MARKS.TransferLength[0] = 0 ; cdb->WRITE_TAPE_MARKS.TransferLength[1] = 0 ; cdb->WRITE_TAPE_MARKS.TransferLength[2] = 0 ; // // Send SCSI command (CDB) to device // DebugPrint((3,"TapeGetPosition: flushing TapeWriteMarks: SendSrb\n")); Srb->DataTransferLength = 0 ; *RetryFlags |= IGNORE_ERRORS; return TAPE_STATUS_SEND_SRB_AND_CALLBACK ; } if ( CallNumber == 2 ) { switch (tapeGetPosition->Type) { case TAPE_ABSOLUTE_POSITION: case TAPE_LOGICAL_POSITION: // // Zero CDB in SRB on stack. // TapeClassZeroMemory(cdb, MAXIMUM_CDB_SIZE); if (!TapeClassAllocateSrbBuffer( Srb, sizeof(TAPE_POSITION_DATA)) ) { DebugPrint((1,"TapeGetPosition: insufficient resources (logicalBuffer)\n")); return TAPE_STATUS_INSUFFICIENT_RESOURCES; } logicalBuffer = Srb->DataBuffer ; // // Prepare SCSI command (CDB) // Srb->CdbLength = CDB10GENERIC_LENGTH; cdb->READ_POSITION.Operation = SCSIOP_READ_POSITION; // // Send SCSI command (CDB) to device // DebugPrint((3,"TapeGetPosition: SendSrb (read position)\n")); Srb->DataTransferLength = sizeof(TAPE_POSITION_DATA) ; return TAPE_STATUS_SEND_SRB_AND_CALLBACK ; break ; default: DebugPrint((1,"TapeGetPosition: PositionType -- operation not supported\n")); return TAPE_STATUS_NOT_IMPLEMENTED; } } ASSERT( CallNumber == 3 ) ; logicalBuffer = Srb->DataBuffer ; tapeGetPosition->Offset.HighPart = 0; REVERSE_BYTES((PFOUR_BYTE)&tapeGetPosition->Offset.LowPart, (PFOUR_BYTE)logicalBuffer->FirstBlock); return TAPE_STATUS_SUCCESS ; } // end TapeGetPosition() TAPE_STATUS GetStatus( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ) /*++ Routine Description: This is the TAPE COMMAND routine for a Get Status requests. Arguments: MinitapeExtension - Supplies the minitape extension. CommandExtension - Supplies the ioctl extension. CommandParameters - Supplies the command parameters. Srb - Supplies the SCSI request block. CallNumber - Supplies the call number. RetryFlags - Supplies the retry flags. Return Value: TAPE_STATUS_SEND_SRB_AND_CALLBACK - The SRB is ready to be sent (a callback is requested.) TAPE_STATUS_SUCCESS - The command is complete and successful. Otherwise - An error occurred. --*/ { PCDB cdb = (PCDB)Srb->Cdb; DebugPrint((3,"TapeGetStatus: Enter routine\n")); if (CallNumber == 0) { return TAPE_STATUS_CHECK_TEST_UNIT_READY; } ASSERT(CallNumber == 1); return TAPE_STATUS_SUCCESS; } TAPE_STATUS Prepare( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ) /*++ Routine Description: This is the TAPE COMMAND routine for a Prepare requests. Arguments: MinitapeExtension - Supplies the minitape extension. CommandExtension - Supplies the ioctl extension. CommandParameters - Supplies the command parameters. Srb - Supplies the SCSI request block. CallNumber - Supplies the call number. RetryFlags - Supplies the retry flags. Return Value: TAPE_STATUS_SEND_SRB_AND_CALLBACK - The SRB is ready to be sent (a callback is requested.) TAPE_STATUS_SUCCESS - The command is complete and successful. Otherwise - An error occurred. --*/ { PMINITAPE_EXTENSION extension = MinitapeExtension; PTAPE_PREPARE tapePrepare = CommandParameters; PCDB cdb = (PCDB)Srb->Cdb; UCHAR *SenseData; ULONG remaining; ULONG temp ; DebugPrint((3,"TapePrepare: Enter routine\n")); if (CallNumber == 0) { if (tapePrepare->Immediate) { switch (tapePrepare->Operation) { case TAPE_LOAD: case TAPE_UNLOAD: DebugPrint((3,"TapePrepare: immediate\n")); break; case TAPE_LOCK: case TAPE_UNLOCK: if ((extension->DriveID == DEC_TZ85) || (extension->DriveID == DEC_TZ87) ){ DebugPrint((1,"TapePrepare: Operation, immediate -- operation not supported\n")); return TAPE_STATUS_NOT_IMPLEMENTED; } DebugPrint((3,"TapePrepare: immediate\n")); break; case TAPE_TENSION: default: DebugPrint((1,"TapePrepare: Operation, immediate -- operation not supported\n")); return TAPE_STATUS_NOT_IMPLEMENTED; } } // // Prepare SCSI command (CDB) // Srb->CdbLength = CDB6GENERIC_LENGTH; TapeClassZeroMemory(cdb, MAXIMUM_CDB_SIZE); cdb->CDB6GENERIC.Immediate = tapePrepare->Immediate; switch (tapePrepare->Operation) { case TAPE_LOAD: DebugPrint((3,"TapePrepare: Operation == load\n")); cdb->CDB6GENERIC.OperationCode = SCSIOP_LOAD_UNLOAD; cdb->CDB6GENERIC.CommandUniqueBytes[2] = 0x01; break; case TAPE_UNLOAD: DebugPrint((3,"TapePrepare: Operation == unload\n")); cdb->CDB6GENERIC.OperationCode = SCSIOP_LOAD_UNLOAD; break; case TAPE_LOCK: if ((extension->DriveID == DEC_TZ85) || (extension->DriveID == DEC_TZ87) ){ DebugPrint((1,"TapePrepare: Operation -- operation not supported\n")); return TAPE_STATUS_NOT_IMPLEMENTED; } DebugPrint((3,"TapePrepare: Operation == lock\n")); cdb->CDB6GENERIC.OperationCode = SCSIOP_MEDIUM_REMOVAL; cdb->CDB6GENERIC.CommandUniqueBytes[2] = 0x01; break; case TAPE_UNLOCK: if ((extension->DriveID == DEC_TZ85) || (extension->DriveID == DEC_TZ87) ){ DebugPrint((1,"TapePrepare: Operation -- operation not supported\n")); return TAPE_STATUS_NOT_IMPLEMENTED; } DebugPrint((3,"TapePrepare: Operation == unlock\n")); cdb->CDB6GENERIC.OperationCode = SCSIOP_MEDIUM_REMOVAL; break; default: DebugPrint((1,"TapePrepare: Operation -- operation not supported\n")); return TAPE_STATUS_NOT_IMPLEMENTED; } // // Send SCSI command (CDB) to device // DebugPrint((3,"TapePrepare: SendSrb (Operation)\n")); Srb->DataTransferLength = 0 ; return TAPE_STATUS_SEND_SRB_AND_CALLBACK ; } ASSERT( CallNumber == 1 ) ; return TAPE_STATUS_SUCCESS; } // end TapePrepare() TAPE_STATUS SetDriveParameters( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ) /*++ Routine Description: This is the TAPE COMMAND routine for a Set Drive Parameters requests. Arguments: MinitapeExtension - Supplies the minitape extension. CommandExtension - Supplies the ioctl extension. CommandParameters - Supplies the command parameters. Srb - Supplies the SCSI request block. CallNumber - Supplies the call number. RetryFlags - Supplies the retry flags. Return Value: TAPE_STATUS_SEND_SRB_AND_CALLBACK - The SRB is ready to be sent (a callback is requested.) TAPE_STATUS_SUCCESS - The command is complete and successful. Otherwise - An error occurred. --*/ { PMINITAPE_EXTENSION extension = MinitapeExtension; PCOMMAND_EXTENSION commandExtension = CommandExtension; PTAPE_SET_DRIVE_PARAMETERS tapeSetDriveParams = CommandParameters; PCDB cdb = (PCDB)Srb->Cdb; PMODE_DATA_COMPRESS_PAGE compressionBuffer; PMODE_DEVICE_CONFIG_PAGE configBuffer; DebugPrint((3,"TapeSetDriveParameters: Enter routine\n")); if (CallNumber == 0) { if (!TapeClassAllocateSrbBuffer( Srb, sizeof(MODE_DEVICE_CONFIG_PAGE)) ) { DebugPrint((1,"TapeSetDriveParameters: insufficient resources (configBuffer)\n")); return TAPE_STATUS_INSUFFICIENT_RESOURCES; } configBuffer = Srb->DataBuffer ; // // Prepare SCSI command (CDB) // Srb->CdbLength = CDB6GENERIC_LENGTH; TapeClassZeroMemory(cdb, MAXIMUM_CDB_SIZE); cdb->MODE_SENSE.OperationCode = SCSIOP_MODE_SENSE; cdb->MODE_SENSE.Dbd = SETBITON; cdb->MODE_SENSE.PageCode = MODE_PAGE_DEVICE_CONFIG; cdb->MODE_SENSE.AllocationLength = sizeof(MODE_DEVICE_CONFIG_PAGE); // // Send SCSI command (CDB) to device // DebugPrint((3,"TapeSetDriveParameters: SendSrb (mode sense)\n")); Srb->DataTransferLength = sizeof(MODE_DEVICE_CONFIG_PAGE) ; return TAPE_STATUS_SEND_SRB_AND_CALLBACK ; } if ( CallNumber == 1 ) { configBuffer = Srb->DataBuffer ; configBuffer->ParameterListHeader.ModeDataLength = 0; configBuffer->ParameterListHeader.MediumType = 0; configBuffer->ParameterListHeader.DeviceSpecificParameter = 0x10; configBuffer->ParameterListHeader.BlockDescriptorLength = 0; configBuffer->DeviceConfigPage.PageCode = MODE_PAGE_DEVICE_CONFIG; configBuffer->DeviceConfigPage.PageLength = 0x0E; if (tapeSetDriveParams->ReportSetmarks) { configBuffer->DeviceConfigPage.RSmk = SETBITON; } else { configBuffer->DeviceConfigPage.RSmk = SETBITOFF; } // // Prepare SCSI command (CDB) // Srb->CdbLength = CDB6GENERIC_LENGTH; TapeClassZeroMemory(cdb, MAXIMUM_CDB_SIZE); cdb->MODE_SELECT.OperationCode = SCSIOP_MODE_SELECT; cdb->MODE_SELECT.PFBit = SETBITON; cdb->MODE_SELECT.ParameterListLength = sizeof(MODE_DEVICE_CONFIG_PAGE); // // Send SCSI command (CDB) to device // DebugPrint((3,"TapeSetDriveParameters: SendSrb (mode select)\n")); Srb->SrbFlags |= SRB_FLAGS_DATA_OUT; Srb->DataTransferLength = sizeof(MODE_DEVICE_CONFIG_PAGE) ; return TAPE_STATUS_SEND_SRB_AND_CALLBACK ; } if (CallNumber == 2 ) { if ( !TapeClassAllocateSrbBuffer( Srb, sizeof(MODE_DATA_COMPRESS_PAGE)) ) { DebugPrint((1,"TapeSetDriveParameters: insufficient resources (compressionBuffer)\n")); return TAPE_STATUS_INSUFFICIENT_RESOURCES; } compressionBuffer = Srb->DataBuffer ; // // Prepare SCSI command (CDB) // Srb->CdbLength = CDB6GENERIC_LENGTH; TapeClassZeroMemory(cdb, MAXIMUM_CDB_SIZE); cdb->MODE_SENSE.OperationCode = SCSIOP_MODE_SENSE; cdb->MODE_SENSE.Dbd = SETBITON; cdb->MODE_SENSE.PageCode = MODE_PAGE_DATA_COMPRESS; cdb->MODE_SENSE.AllocationLength = sizeof(MODE_DATA_COMPRESS_PAGE); // // Send SCSI command (CDB) to device // DebugPrint((3,"TapeSetDriveParameters: SendSrb (mode sense)\n")); Srb->DataTransferLength = sizeof(MODE_DATA_COMPRESS_PAGE) ; *RetryFlags |= RETURN_ERRORS; return TAPE_STATUS_SEND_SRB_AND_CALLBACK ; } if (CallNumber == 3 ) { if ( LastError != TAPE_STATUS_SUCCESS ) { switch (extension->DriveID) { case CIP_T860DLT: case DEC_TZ85: case DEC_TZ87: if (LastError == TAPE_STATUS_INVALID_DEVICE_REQUEST) { return TAPE_STATUS_SUCCESS ; break; } // else: fall through to next case! default: DebugPrint((1,"TapeSetDriveParameters: mode sense, SendSrb unsuccessful\n")); } return LastError; } compressionBuffer = Srb->DataBuffer ; compressionBuffer->ParameterListHeader.ModeDataLength = 0; compressionBuffer->ParameterListHeader.MediumType = 0; compressionBuffer->ParameterListHeader.DeviceSpecificParameter = 0x10; compressionBuffer->ParameterListHeader.BlockDescriptorLength = 0; compressionBuffer->DataCompressPage.PageCode = MODE_PAGE_DATA_COMPRESS; compressionBuffer->DataCompressPage.PageLength = 0x0E; if (tapeSetDriveParams->Compression) { compressionBuffer->DataCompressPage.DCE = SETBITON; compressionBuffer->DataCompressPage.CompressionAlgorithm[3]= 0x10; } else { compressionBuffer->DataCompressPage.DCE = SETBITOFF; } // // Prepare SCSI command (CDB) // Srb->CdbLength = CDB6GENERIC_LENGTH; TapeClassZeroMemory(cdb, MAXIMUM_CDB_SIZE); cdb->MODE_SELECT.OperationCode = SCSIOP_MODE_SELECT; cdb->MODE_SELECT.PFBit = SETBITON; cdb->MODE_SELECT.ParameterListLength = sizeof(MODE_DATA_COMPRESS_PAGE); // // Send SCSI command (CDB) to device // DebugPrint((3,"TapeSetDriveParameters: SendSrb (mode select)\n")); Srb->SrbFlags |= SRB_FLAGS_DATA_OUT; Srb->DataTransferLength = sizeof(MODE_DATA_COMPRESS_PAGE) ; return TAPE_STATUS_SEND_SRB_AND_CALLBACK ; } ASSERT(CallNumber == 4 ) ; return TAPE_STATUS_SUCCESS ; } // end TapeSetDriveParameters() TAPE_STATUS SetMediaParameters( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ) /*++ Routine Description: This is the TAPE COMMAND routine for a Set Media Parameters requests. Arguments: MinitapeExtension - Supplies the minitape extension. CommandExtension - Supplies the ioctl extension. CommandParameters - Supplies the command parameters. Srb - Supplies the SCSI request block. CallNumber - Supplies the call number. RetryFlags - Supplies the retry flags. Return Value: TAPE_STATUS_SEND_SRB_AND_CALLBACK - The SRB is ready to be sent (a callback is requested.) TAPE_STATUS_SUCCESS - The command is complete and successful. Otherwise - An error occurred. --*/ { PTAPE_SET_MEDIA_PARAMETERS tapeSetMediaParams = CommandParameters; PCDB cdb = (PCDB)Srb->Cdb; PMODE_PARM_READ_WRITE_DATA modeBuffer; DebugPrint((3,"TapeSetMediaParameters: Enter routine\n")); if (CallNumber == 0) { return TAPE_STATUS_CHECK_TEST_UNIT_READY ; } if (CallNumber == 1) { if (!TapeClassAllocateSrbBuffer( Srb, sizeof(MODE_PARM_READ_WRITE_DATA)) ) { DebugPrint((1,"TapeSetMediaParameters: insufficient resources (modeBuffer)\n")); return TAPE_STATUS_INSUFFICIENT_RESOURCES; } modeBuffer = Srb->DataBuffer ; modeBuffer->ParameterListHeader.ModeDataLength = 0; modeBuffer->ParameterListHeader.MediumType = 0; modeBuffer->ParameterListHeader.DeviceSpecificParameter = 0x10; modeBuffer->ParameterListHeader.BlockDescriptorLength = MODE_BLOCK_DESC_LENGTH; modeBuffer->ParameterListBlock.BlockLength[0] = (UCHAR)((tapeSetMediaParams->BlockSize >> 16) & 0xFF); modeBuffer->ParameterListBlock.BlockLength[1] = (UCHAR)((tapeSetMediaParams->BlockSize >> 8) & 0xFF); modeBuffer->ParameterListBlock.BlockLength[2] = (UCHAR)(tapeSetMediaParams->BlockSize & 0xFF); // // Prepare SCSI command (CDB) // Srb->CdbLength = CDB6GENERIC_LENGTH; TapeClassZeroMemory(cdb, MAXIMUM_CDB_SIZE); cdb->MODE_SELECT.OperationCode = SCSIOP_MODE_SELECT; cdb->MODE_SELECT.ParameterListLength = sizeof(MODE_PARM_READ_WRITE_DATA); // // Send SCSI command (CDB) to device // DebugPrint((3,"TapeSetMediaParameters: SendSrb (mode select)\n")); Srb->SrbFlags |= SRB_FLAGS_DATA_OUT; Srb->DataTransferLength = sizeof(MODE_PARM_READ_WRITE_DATA) ; return TAPE_STATUS_SEND_SRB_AND_CALLBACK ; } ASSERT(CallNumber == 2 ) ; return TAPE_STATUS_SUCCESS; } // end TapeSetMediaParameters() TAPE_STATUS SetPosition( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ) /*++ Routine Description: This is the TAPE COMMAND routine for a Set Position requests. Arguments: MinitapeExtension - Supplies the minitape extension. CommandExtension - Supplies the ioctl extension. CommandParameters - Supplies the command parameters. Srb - Supplies the SCSI request block. CallNumber - Supplies the call number. RetryFlags - Supplies the retry flags. Return Value: TAPE_STATUS_SEND_SRB_AND_CALLBACK - The SRB is ready to be sent (a callback is requested.) TAPE_STATUS_SUCCESS - The command is complete and successful. Otherwise - An error occurred. --*/ { PMINITAPE_EXTENSION extension = MinitapeExtension; PTAPE_SET_POSITION tapeSetPosition = CommandParameters; PCDB cdb = (PCDB)Srb->Cdb; ULONG tapePositionVector; DebugPrint((3,"TapeSetPosition: Enter routine\n")); if (CallNumber == 0) { if (tapeSetPosition->Immediate) { switch (tapeSetPosition->Method) { case TAPE_REWIND: DebugPrint((3,"TapeSetPosition: immediate\n")); break; case TAPE_LOGICAL_BLOCK: case TAPE_SPACE_END_OF_DATA: case TAPE_SPACE_RELATIVE_BLOCKS: case TAPE_SPACE_FILEMARKS: case TAPE_SPACE_SEQUENTIAL_FMKS: case TAPE_ABSOLUTE_BLOCK: case TAPE_SPACE_SETMARKS: case TAPE_SPACE_SEQUENTIAL_SMKS: default: DebugPrint((1,"TapeSetPosition: PositionMethod, immediate -- operation not supported\n")); return TAPE_STATUS_NOT_IMPLEMENTED; } } tapePositionVector = tapeSetPosition->Offset.LowPart; // // Prepare SCSI command (CDB) // Srb->CdbLength = CDB6GENERIC_LENGTH; TapeClassZeroMemory(cdb, MAXIMUM_CDB_SIZE); cdb->CDB6GENERIC.Immediate = tapeSetPosition->Immediate; switch (tapeSetPosition->Method) { case TAPE_REWIND: DebugPrint((3,"TapeSetPosition: method == rewind\n")); cdb->CDB6GENERIC.OperationCode = SCSIOP_REWIND; break; case TAPE_ABSOLUTE_BLOCK: case TAPE_LOGICAL_BLOCK: DebugPrint((3,"TapeSetPosition: method == locate (logical)\n")); Srb->CdbLength = CDB10GENERIC_LENGTH; cdb->LOCATE.OperationCode = SCSIOP_LOCATE; cdb->LOCATE.LogicalBlockAddress[0] = (UCHAR)((tapePositionVector >> 24) & 0xFF); cdb->LOCATE.LogicalBlockAddress[1] = (UCHAR)((tapePositionVector >> 16) & 0xFF); cdb->LOCATE.LogicalBlockAddress[2] = (UCHAR)((tapePositionVector >> 8) & 0xFF); cdb->LOCATE.LogicalBlockAddress[3] = (UCHAR)(tapePositionVector & 0xFF); Srb->TimeOutValue = 11800; break; case TAPE_SPACE_END_OF_DATA: DebugPrint((3,"TapeSetPosition: method == space to end-of-data\n")); cdb->SPACE_TAPE_MARKS.OperationCode = SCSIOP_SPACE; cdb->SPACE_TAPE_MARKS.Code = 3; Srb->TimeOutValue = 11800; break; case TAPE_SPACE_RELATIVE_BLOCKS: DebugPrint((3,"TapeSetPosition: method == space blocks\n")); cdb->SPACE_TAPE_MARKS.OperationCode = SCSIOP_SPACE; cdb->SPACE_TAPE_MARKS.Code = 0; cdb->SPACE_TAPE_MARKS.NumMarksMSB = (UCHAR)((tapePositionVector >> 16) & 0xFF); cdb->SPACE_TAPE_MARKS.NumMarks = (UCHAR)((tapePositionVector >> 8) & 0xFF); cdb->SPACE_TAPE_MARKS.NumMarksLSB = (UCHAR)(tapePositionVector & 0xFF); Srb->TimeOutValue = 11800; break; case TAPE_SPACE_FILEMARKS: DebugPrint((3,"TapeSetPosition: method == space filemarks\n")); cdb->SPACE_TAPE_MARKS.OperationCode = SCSIOP_SPACE; cdb->SPACE_TAPE_MARKS.Code = 1; cdb->SPACE_TAPE_MARKS.NumMarksMSB = (UCHAR)((tapePositionVector >> 16) & 0xFF); cdb->SPACE_TAPE_MARKS.NumMarks = (UCHAR)((tapePositionVector >> 8) & 0xFF); cdb->SPACE_TAPE_MARKS.NumMarksLSB = (UCHAR)(tapePositionVector & 0xFF); Srb->TimeOutValue = 11800; break; case TAPE_SPACE_SEQUENTIAL_FMKS: DebugPrint((3,"TapeSetPosition: method == space sequential filemarks\n")); cdb->SPACE_TAPE_MARKS.OperationCode = SCSIOP_SPACE; cdb->SPACE_TAPE_MARKS.Code = 2; cdb->SPACE_TAPE_MARKS.NumMarksMSB = (UCHAR)((tapePositionVector >> 16) & 0xFF); cdb->SPACE_TAPE_MARKS.NumMarks = (UCHAR)((tapePositionVector >> 8) & 0xFF); cdb->SPACE_TAPE_MARKS.NumMarksLSB = (UCHAR)(tapePositionVector & 0xFF); Srb->TimeOutValue = 11800; break; default: DebugPrint((1,"TapeSetPosition: PositionMethod -- operation not supported\n")); return TAPE_STATUS_NOT_IMPLEMENTED; } // // Send SCSI command (CDB) to device // DebugPrint((3,"TapeSetPosition: SendSrb (method)\n")); Srb->DataTransferLength = 0 ; return TAPE_STATUS_SEND_SRB_AND_CALLBACK ; } ASSERT( CallNumber == 1 ) ; return TAPE_STATUS_SUCCESS ; } // end TapeSetPosition() TAPE_STATUS WriteMarks( IN OUT PVOID MinitapeExtension, IN OUT PVOID CommandExtension, IN OUT PVOID CommandParameters, IN OUT PSCSI_REQUEST_BLOCK Srb, IN ULONG CallNumber, IN TAPE_STATUS LastError, IN OUT PULONG RetryFlags ) /*++ Routine Description: This is the TAPE COMMAND routine for a Write Marks requests. Arguments: MinitapeExtension - Supplies the minitape extension. CommandExtension - Supplies the ioctl extension. CommandParameters - Supplies the command parameters. Srb - Supplies the SCSI request block. CallNumber - Supplies the call number. RetryFlags - Supplies the retry flags. Return Value: TAPE_STATUS_SEND_SRB_AND_CALLBACK - The SRB is ready to be sent (a callback is requested.) TAPE_STATUS_SUCCESS - The command is complete and successful. Otherwise - An error occurred. --*/ { PTAPE_WRITE_MARKS tapeWriteMarks = CommandParameters; PCDB cdb = (PCDB)Srb->Cdb; LARGE_INTEGER timeout ; DebugPrint((3,"TapeWriteMarks: Enter routine\n")); if (CallNumber == 0) { switch (tapeWriteMarks->Type) { case TAPE_FILEMARKS: DebugPrint((3,"TapeWriteMarks: immediate\n")); break; case TAPE_SETMARKS: case TAPE_SHORT_FILEMARKS: case TAPE_LONG_FILEMARKS: default: DebugPrint((1,"TapeWriteMarks: TapemarkType, immediate -- operation not supported\n")); return TAPE_STATUS_NOT_IMPLEMENTED; } // // Prepare SCSI command (CDB) // Srb->CdbLength = CDB6GENERIC_LENGTH; TapeClassZeroMemory(cdb, MAXIMUM_CDB_SIZE); cdb->WRITE_TAPE_MARKS.OperationCode = SCSIOP_WRITE_FILEMARKS; cdb->WRITE_TAPE_MARKS.Immediate = tapeWriteMarks->Immediate; cdb->WRITE_TAPE_MARKS.TransferLength[0] = (UCHAR)((tapeWriteMarks->Count >> 16) & 0xFF); cdb->WRITE_TAPE_MARKS.TransferLength[1] = (UCHAR)((tapeWriteMarks->Count >> 8) & 0xFF); cdb->WRITE_TAPE_MARKS.TransferLength[2] = (UCHAR)(tapeWriteMarks->Count & 0xFF); // // Send SCSI command (CDB) to device // DebugPrint((3,"TapeWriteMarks: SendSrb (TapemarkType)\n")); Srb->DataTransferLength = 0 ; if ( tapeWriteMarks->Count == 0 ) { *RetryFlags |= IGNORE_ERRORS; } return TAPE_STATUS_SEND_SRB_AND_CALLBACK ; } ASSERT (CallNumber == 1 ) ; /* we may need to add a delay for the tz87 */ return TAPE_STATUS_SUCCESS ; } // end TapeWriteMarks() static ULONG WhichIsIt( IN PINQUIRYDATA InquiryData ) /*++ Routine Description: This routine determines a drive's identity from the Product ID field in its inquiry data. Arguments: InquiryData (from an Inquiry command) Return Value: driveID --*/ { if (TapeClassCompareMemory(InquiryData->VendorId,"CIPHER ",8) == 8) { if (TapeClassCompareMemory(InquiryData->ProductId,"T860",4) == 4) { return CIP_T860DLT; } if (TapeClassCompareMemory(InquiryData->ProductId,"L860",4) == 4) { return CIP_T860DLT; } if (TapeClassCompareMemory(InquiryData->ProductId,"TZ86",4) == 4) { return DEC_TZ85; } if (TapeClassCompareMemory(InquiryData->ProductId,"DLT2000",7) == 7) { return CIP_DLT2000; } } if (TapeClassCompareMemory(InquiryData->VendorId,"DEC",3) == 3) { if (TapeClassCompareMemory(InquiryData->ProductId,"THZ02",5) == 5) { return DEC_TZ85; } if (TapeClassCompareMemory(InquiryData->ProductId,"TZ86",4) == 4) { return DEC_TZ85; } if (TapeClassCompareMemory(InquiryData->ProductId,"TZ87",4) == 4) { return DEC_TZ87; } if (TapeClassCompareMemory(InquiryData->ProductId,"TZ88",4) == 4) { return DEC_TZ87; } if (TapeClassCompareMemory(InquiryData->ProductId,"TZ89",4) == 4) { return DEC_TZ87; } if (TapeClassCompareMemory(InquiryData->ProductId,"DLT2000",7) == 7) { return CIP_DLT2000; } if (TapeClassCompareMemory(InquiryData->ProductId,"DLT2500",7) == 7) { return CIP_DLT2000; } if (TapeClassCompareMemory(InquiryData->ProductId,"DLT2700",7) == 7) { return CIP_DLT2000; } if (TapeClassCompareMemory(InquiryData->ProductId,"DLT4000",7) == 7) { return CIP_DLT2000; } if (TapeClassCompareMemory(InquiryData->ProductId,"DLT4500",7) == 7) { return CIP_DLT2000; } if (TapeClassCompareMemory(InquiryData->ProductId,"DLT4700",7) == 7) { return CIP_DLT2000; } } if (TapeClassCompareMemory(InquiryData->VendorId,"Quantum",7) == 7) { if (TapeClassCompareMemory(InquiryData->ProductId,"DLT2000",7) == 7) { return CIP_DLT2000; } if (TapeClassCompareMemory(InquiryData->ProductId,"DLT2500",7) == 7) { return CIP_DLT2000; } if (TapeClassCompareMemory(InquiryData->ProductId,"DLT2700",7) == 7) { return CIP_DLT2000; } if (TapeClassCompareMemory(InquiryData->ProductId,"DLT4000",7) == 7) { return CIP_DLT2000; } if (TapeClassCompareMemory(InquiryData->ProductId,"DLT4500",7) == 7) { return CIP_DLT2000; } if (TapeClassCompareMemory(InquiryData->ProductId,"DLT4700",7) == 7) { return CIP_DLT2000; } } return 0; }