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Annotation of XNU/iokit/Drivers/scsi/drvSymbios8xx/Sym8xxSRB.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: 
        !            23: /* Sym8xxSRB.h created by russb2 on Sat 30-May-1998 */
        !            24: 
        !            25: /*
        !            26:  * The SRB is the main per-request data structure used by the driver.
        !            27:  *
        !            28:  * It contains an embedded Nexus structure which is used as a per-request
        !            29:  * communication area between the script and the driver.
        !            30:  */ 
        !            31: 
        !            32: typedef struct SRB             SRB;
        !            33: 
        !            34: struct SRB
        !            35: {
        !            36:     SRB                                *srbPhys;
        !            37: 
        !            38:     IOSCSICommand              *scsiCommand;
        !            39: 
        !            40:     UInt32                     srbCDBFlags;
        !            41: 
        !            42:     IOReturn                   srbSCSIResult;
        !            43:     UInt8                              srbSCSIStatus;
        !            44: 
        !            45:     UInt8                              srbMsgResid;
        !            46:     UInt8                              srbMsgLength;
        !            47: 
        !            48:     UInt8                              target;
        !            49:     UInt8                              lun;
        !            50:     UInt8                              tag;
        !            51: 
        !            52:     UInt32                     directionMask;
        !            53: 
        !            54:     IOMemoryDescriptor         *xferDesc;
        !            55:     UInt32                     xferOffset;
        !            56:     UInt32                     xferOffsetPrev;
        !            57:     UInt32                     xferCount;
        !            58:     UInt32                     xferDone;
        !            59: 
        !            60:     Nexus                      nexus;  
        !            61: 
        !            62: };
        !            63: 

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