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Annotation of XNU/iokit/IOKit/scsi/scsi-parallel/SCSIParallelController.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1998-2000 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:  *     SCSIParallelController.h
                     24:  *
                     25:  */
                     26:  
                     27: #ifndef _SCSIPARALLELCONTROLLER_H
                     28: #define _SCSIPARALLELCONTROLLER_H
                     29: 
                     30: class IOSyncer;
                     31: 
                     32: typedef struct SCSIControllerInfo
                     33: {
                     34:     UInt32      initiatorId;
                     35: 
                     36:     UInt32     maxTargetsSupported;
                     37:     UInt32     maxLunsSupported;
                     38: 
                     39:     UInt32     minTransferPeriodpS;
                     40:     UInt32     maxTransferOffset;
                     41:     UInt32     maxTransferWidth; 
                     42:  
                     43:     UInt32     maxCommandsPerController;
                     44:     UInt32     maxCommandsPerTarget;
                     45:     UInt32     maxCommandsPerLun;
                     46: 
                     47:     UInt32     tagAllocationMethod;
                     48:     UInt32     maxTags;
                     49: 
                     50:     UInt32     targetPrivateDataSize;
                     51:     UInt32     lunPrivateDataSize;
                     52:     UInt32     commandPrivateDataSize;
                     53: 
                     54:     bool       disableCancelCommands;
                     55: 
                     56:     UInt32     reserved[64];
                     57: 
                     58: } SCSIControllerInfo;
                     59: 
                     60: enum SCSITagAllocation
                     61: {
                     62:     kTagAllocationNone                 = 0,
                     63:     kTagAllocationPerLun,
                     64:     kTagAllocationPerTarget,    
                     65:     kTagAllocationPerController,
                     66: };
                     67: 
                     68: /*
                     69:  * Private for IOSCSIClass
                     70:  */
                     71: enum WorkLoopReqType
                     72: {
                     73:     kWorkLoopInitTarget                = 1,
                     74:     kWorkLoopReleaseTarget,
                     75:     kWorkLoopInitDevice,
                     76:     kWorkLoopReleaseDevice,
                     77: };
                     78: 
                     79: enum DispatchAction
                     80: {
                     81:     kDispatchNextCommand       = 1,
                     82:     kDispatchNextLun,
                     83:     kDispatchNextTarget,
                     84:     kDispatchStop,
                     85: };
                     86: 
                     87: typedef struct WorkLoopRequest
                     88: {
                     89:     WorkLoopReqType     type;
                     90:     IOSyncer *         sync;
                     91:     bool               rc;
                     92: } WorkLoopRequest;
                     93: 
                     94: #endif
                     95: 

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