/* * Copyright (c) 1998-2002 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1999-2002 Apple Computer, Inc. All rights reserved. * * IOFWIsochPort is an abstract object that represents hardware on the bus * (locally or remotely) that sends or receives isochronous packets. * Local ports are implemented by the local device driver, * Remote ports are implemented by the driver for the remote device. * * HISTORY * */ #ifndef _IOKIT_IOFIREWIREIRM_H #define _IOKIT_IOFIREWIREIRM_H #include <libkern/c++/OSObject.h> #include <IOKit/firewire/IOFireWireController.h> #include <IOKit/firewire/IOFireWireFamilyCommon.h> class IOFireWireIRM : public OSObject { OSDeclareAbstractStructors(IOFireWireIRM) protected: IOFireWireController * fControl; UInt16 fIRMNodeID; UInt16 fOurNodeID; UInt32 fGeneration; // channel allocation UInt32 fNewChannels; UInt32 fOldChannels; IOFWCompareAndSwapCommand * fLockCmd; bool fLockCmdInUse; UInt32 fLockRetries; // broadcast channel register UInt32 fBroadcastChannelBuffer; IOFWPseudoAddressSpace * fBroadcastChannelAddressSpace; public: static IOFireWireIRM * create( IOFireWireController * controller ); virtual bool initWithController( IOFireWireController * control ); virtual void free( void ); virtual bool isIRMActive( void ); virtual void processBusReset( UInt16 ourNodeID, UInt16 irmNodeID, UInt32 generation ); protected: static void lockCompleteStatic( void *refcon, IOReturn status, IOFireWireNub *device, IOFWCommand *fwCmd ); virtual void lockComplete( IOReturn status ); virtual void allocateBroadcastChannel( void ); }; #endif