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Annotation of XNU/iokit/Drivers/scsi/drvSymbios8xx/Sym8xxSRB.h, revision 1.1.1.1

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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