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Annotation of ntddk/src/scsi/qic117/start_tp.c, revision 1.1

1.1     ! root        1: /*++
        !             2: 
        !             3: Copyright (c) 1993 - Colorado Memory Systems, Inc.
        !             4: All Rights Reserved
        !             5: 
        !             6: Module Name:
        !             7: 
        !             8:     start_tp.c
        !             9: 
        !            10: Abstract:
        !            11: 
        !            12: 
        !            13: Revision History:
        !            14: 
        !            15: 
        !            16: 
        !            17: 
        !            18: --*/
        !            19: 
        !            20: //
        !            21: // include files
        !            22: //
        !            23: 
        !            24: #include <ntddk.h>                        // various NT definitions
        !            25: #include <ntdddisk.h>                    // disk device driver I/O control codes
        !            26: #include <ntiologc.h>
        !            27: #include "common.h"
        !            28: #include "drvtask.h"                     // this driver's data declarations
        !            29: #include "mt1defs.h"                     // this driver's data declarations
        !            30: #include "mt1strc.h"                     // this driver's data declarations
        !            31: #include "q117data.h"                    // this driver's data declarations
        !            32: 
        !            33: 
        !            34: STATUS
        !            35: Q117iStartTape(
        !            36:     IN PTAPE_EXTENSION TapeExtension
        !            37:     )
        !            38: 
        !            39: /*++
        !            40: 
        !            41: Routine Description:
        !            42: 
        !            43:     Start the tape in the logical forward mode if it is not already.
        !            44: 
        !            45: Arguments:
        !            46: 
        !            47:     TapeExtension -
        !            48: 
        !            49: Return Value:
        !            50: 
        !            51: 
        !            52: 
        !            53: --*/
        !            54: 
        !            55: {
        !            56: 
        !            57:     STATUS retval = NoErr;
        !            58: 
        !            59:     if (!TapeExtension->TapePosition.LogFwd) {
        !            60: 
        !            61:         if((retval = Q117iSendByte(TapeExtension, Logical_Fwd)) == NoErr) {
        !            62: 
        !            63:             TapeExtension->TapePosition.LogFwd = TRUE;
        !            64: 
        !            65:         }
        !            66: 
        !            67:     }
        !            68: 
        !            69:     return(retval);
        !            70: 
        !            71: }
        !            72: 

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