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Annotation of Examples/DriverKit/Adaptec1542B/Adaptec1542B_reloc.tproj/AHAThread.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1993 NeXT Computer, Inc.
        !             3:  *
        !             4:  * Adaptec 1542 SCSI controller I/O thread definitions.
        !             5:  *
        !             6:  * HISTORY
        !             7:  *
        !             8:  * 13 Apr 1993 Doug Mitchell at NeXT
        !             9:  *     Created.
        !            10:  */
        !            11: 
        !            12: #import <machkit/NXLock.h>
        !            13: #import <mach/mach_types.h>
        !            14: #import <mach/message.h>
        !            15: #import <driverkit/interruptMsg.h>
        !            16: #import "AHAController.h"
        !            17: 
        !            18: /*
        !            19:  * Reason for calling -commandCompleted.
        !            20:  */
        !            21: typedef enum {
        !            22:        CS_Complete,            // normal - controller completed command
        !            23:        CS_Timeout,             // I/O timeout
        !            24:        CS_Reset                // Bus was reset; abort
        !            25: } completeStatus;
        !            26: 
        !            27: /*
        !            28:  * Methods executed by the I/O thread.
        !            29:  */
        !            30: @interface AHAController(IOThread)
        !            31: 
        !            32: - (int)threadExecuteRequest    : (AHACommandBuf *)cmdBuf;
        !            33: - (void)threadResetBus         : (AHACommandBuf *)cmdBuf;
        !            34: - (int)ccbFromCmd              : (AHACommandBuf *)cmdBuf
        !            35:                            ccb : (struct ccb *)ccb;
        !            36: - runPendingCommands;
        !            37: - (void)commandCompleted       : (struct ccb *)ccb 
        !            38:                         reason : (completeStatus)status;
        !            39: - (struct ccb *)allocCcb        : (BOOL)doDMA;
        !            40: - (void)freeCcb                : (struct ccb *)ccb;
        !            41: - (void)completeDMA            : (IOEISADMABuffer *)dmaList
        !            42:                         length : (unsigned)xferLen;
        !            43: - (void)abortDMA               : (IOEISADMABuffer *)dmaList
        !            44:                         length : (unsigned)xferLen;
        !            45: 
        !            46: @end
        !            47: 

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