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Annotation of XNU/iokit/IOKit/firewire/IOFWDCLProgram.h, revision 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:  * Copyright (c) 1999 Apple Computer, Inc.  All rights reserved.
        !            24:  *
        !            25:  * HISTORY
        !            26:  *
        !            27:  */
        !            28: 
        !            29: 
        !            30: #ifndef _IOKIT_IOFWDCLPROGRAM_H
        !            31: #define _IOKIT_IOFWDCLPROGRAM_H
        !            32: 
        !            33: #include <libkern/c++/OSObject.h>
        !            34: #include <IOKit/firewire/IOFWIsoch.h>
        !            35: #include <IOKit/firewire/IOFireWireBus.h>
        !            36: #include <IOKit/IOMemoryCursor.h>
        !            37: 
        !            38: class IODCLProgram : public OSObject
        !            39: {
        !            40:     OSDeclareAbstractStructors(IODCLProgram)
        !            41: 
        !            42: protected:
        !            43:     SInt32 fDCLTaskToKernel;
        !            44:     SInt32 fDataTaskToKernel;
        !            45:     IOByteCount fDataBase;
        !            46:     IOMemoryDescriptor *fDCLDesc;
        !            47:     IOMemoryDescriptor *fDataDesc;
        !            48:     IOMemoryCursor *fDataCursor;
        !            49:     IOFireWireBus::CallUserProc * fCallUser;
        !            50:     void *fCallRefCon; // Refcon for user call
        !            51: 
        !            52:     DCLCommandPtr convertDCLPtrToKernel(DCLCommandPtr dcl)
        !            53:       {if (dcl) return (DCLCommandPtr)((UInt32)dcl + fDCLTaskToKernel); else return dcl;};
        !            54: 
        !            55:     DCLCommandPtr convertDCLPtrFromKernel(DCLCommandPtr dcl)
        !            56:       {if (dcl) return (DCLCommandPtr)((UInt32)dcl - fDCLTaskToKernel); else return dcl;};
        !            57: 
        !            58:     void * convertDataPtrToKernel(void *ptr)
        !            59:         {if (ptr) return (void *)((UInt32)ptr + fDataTaskToKernel); else return ptr;};
        !            60: 
        !            61:     UInt32 getPhysicalSegs(void *addr, IOByteCount len,
        !            62:                     IOMemoryCursor::PhysicalSegment segs[], UInt32 maxSegs);
        !            63: 
        !            64:     void dumpDCL(DCLCommand *op);
        !            65: 
        !            66:     virtual void free();
        !            67: 
        !            68: public:
        !            69: 
        !            70:     virtual bool init(IOFireWireBus::DCLTaskInfo *info=NULL);
        !            71:     virtual IOReturn allocateHW(IOFWSpeed speed, UInt32 chan) = 0;
        !            72:     virtual IOReturn releaseHW() = 0;
        !            73:     virtual IOReturn compile(IOFWSpeed speed, UInt32 chan) = 0;
        !            74:     virtual IOReturn notify(UInt32 notificationType,
        !            75:        DCLCommandPtr *dclCommandList, UInt32 numDCLCommands) = 0;
        !            76:     virtual IOReturn start() = 0;
        !            77:     virtual void stop() = 0;
        !            78: 
        !            79: };
        !            80: 
        !            81: #endif /* ! _IOKIT_IOFWDCLPROGRAM_H */
        !            82: 

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