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Annotation of XNU/iokit/IOKit/firewire/IOFWDCLProgram.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:  * 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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