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Annotation of XNU/iokit/Drivers/scsi/drvSymbios8xx/Sym8xxController.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: /* Sym8xxController.h created by russb2 on Sat 30-May-1998 */
        !            24: 
        !            25: #include <IOKit/IOMemoryCursor.h>
        !            26: #include <IOKit/pci/IOPCIDevice.h>
        !            27: #include <libkern/OSByteOrder.h>
        !            28: 
        !            29: #include <IOKit/scsi/IOSCSIParallelInterface.h>
        !            30: 
        !            31: #include "Sym8xxRegs.h"
        !            32: #include "Sym8xxInterface.h"
        !            33: #include "Sym8xxSRB.h"
        !            34: 
        !            35: #include "Sym8xxScript.h"
        !            36: 
        !            37: #define offsetof(type, field) ((int)&((type *)0)->field)
        !            38: 
        !            39: class Sym8xxSCSIController : public IOSCSIParallelController 
        !            40: {
        !            41:     OSDeclareDefaultStructors( Sym8xxSCSIController )
        !            42: 
        !            43: private:
        !            44: 
        !            45:     AdapterInterface            *adapter;
        !            46:     AdapterInterface           *adapterPhys;
        !            47: 
        !            48:     UInt32                     nexusArrayVirt[MAX_SCSI_TAG];
        !            49:     
        !            50:     IOBigMemoryCursor          *memoryCursor;
        !            51: 
        !            52:     IOPCIDevice                        *provider;
        !            53: 
        !            54:     IOInterruptEventSource     *interruptEvent;
        !            55: 
        !            56:     IOMemoryMap                        *ioMapRegs;
        !            57:     IOMemoryMap                        *ioMapRam;
        !            58: 
        !            59:     UInt8                      mailBoxIndex;
        !            60: 
        !            61:     UInt32                     initiatorID;
        !            62: 
        !            63:     UInt8                      istatReg;
        !            64:     UInt8                      dstatReg;
        !            65:     u_int16_t                  sistReg;
        !            66: 
        !            67:     UInt32                     scriptRestartAddr;
        !            68: 
        !            69:     UInt32                     srbSeqNum;
        !            70:     UInt32                     resetSeqNum;
        !            71:     
        !            72:     SRB                                *resetSRB;
        !            73:     SRB                                *abortSRB;
        !            74:     SRB                                *abortCurrentSRB;
        !            75:     bool                        abortReqPending;
        !            76:     bool                       initialReset;
        !            77: 
        !            78:     UInt32                     chipId;
        !            79:     UInt32                     chipClockRate;
        !            80: 
        !            81:     volatile UInt8             *chipBaseAddr;
        !            82:     UInt8                      *chipBaseAddrPhys;
        !            83:     
        !            84:     volatile UInt8             *chipRamAddr;
        !            85:     UInt8                      *chipRamAddrPhys;
        !            86: 
        !            87: public:
        !            88:     bool       configure( IOService *forProvider, SCSIControllerInfo *controllerInfo );
        !            89:     void        executeCommand( IOSCSICommand *scsiCommand );
        !            90:     void        cancelCommand(  IOSCSICommand *scsiCommand );
        !            91:     void        resetCommand(   IOSCSICommand *scsiCommand );
        !            92: 
        !            93: private:
        !            94:     bool       Sym8xxInit();
        !            95:     bool       Sym8xxInitPCI();
        !            96:     bool       Sym8xxInitVars();
        !            97:     bool       Sym8xxInitScript();
        !            98:     void       Sym8xxLoadScript( UInt32 *scriptPgm, UInt32 scriptWords );
        !            99:     bool       Sym8xxInitChip();
        !           100: 
        !           101:     void       Sym8xxCalcMsgs( IOSCSICommand *scsiCommand );
        !           102:     void        Sym8xxAbortCommand( IOSCSICommand *scsiCommand );
        !           103: 
        !           104:     bool       Sym8xxUpdateSGList( SRB *srb );
        !           105:     bool        Sym8xxUpdateSGListVirt( SRB *srb );
        !           106:     bool       Sym8xxUpdateSGListDesc( SRB *srb );
        !           107: 
        !           108:     void       Sym8xxStartSRB( SRB *srb );
        !           109:     void       Sym8xxSignalScript( SRB *srb );
        !           110:     void       interruptOccurred( IOInterruptEventSource *ies, int intCount );
        !           111:     void       Sym8xxProcessIODone();
        !           112:     void        Sym8xxCompleteSRB( SRB *srb );
        !           113:     void       Sym8xxProcessInterrupt();
        !           114:     void       Sym8xxAdjustDataPtrs( SRB *srb, Nexus *nexus );
        !           115:     UInt32     Sym8xxCheckFifo( SRB *srb, UInt32    *pfifoCnt );
        !           116:     void       Sym8xxUpdateXferOffset( SRB *srb );
        !           117:     void        Sym8xxProcessNoNexus();
        !           118:     void       Sym8xxAbortCurrent( SRB *srb );
        !           119:     void       Sym8xxClearFifo();
        !           120:     void       Sym8xxNegotiateSDTR( SRB *srb, Nexus *nexus );
        !           121:     void       Sym8xxNegotiateWDTR( SRB *srb, Nexus *nexus );
        !           122:     void       Sym8xxSendMsgReject( SRB *srb );
        !           123:     void       Sym8xxSCSIBusReset(SRB *srb );
        !           124:     void       Sym8xxProcessSCSIBusReset();
        !           125:     void        Sym8xxCheckRequestSense( SRB *srb );
        !           126:     void       Sym8xxAbortBdr( SRB *srb );
        !           127:     bool        Sym8xxCancelMailBox( Nexus *nexusCancel );
        !           128:     void        Sym8xxCancelMailBox( UInt32 target, UInt32 lun, bool fReschedule );
        !           129: 
        !           130:     void       Sym8xxAbortScript();
        !           131: 
        !           132:     UInt32     Sym8xxReadRegs( volatile UInt8 *chipRegs, UInt32 regOffset, UInt32 regSize );
        !           133:     void       Sym8xxWriteRegs( volatile UInt8 *chipRegs, UInt32 regOffset, UInt32 regSize, UInt32 regValue );
        !           134: 
        !           135: };
        !           136: 

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