/* * Copyright (c) 2001 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The 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, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * * IOFireWirePCRSpace.h * * Class to multiplex access to the FCP request address. */ #ifndef _IOKIT_IOFIREWIREAVCREQUESTSPACE_H #define _IOKIT_IOFIREWIREAVCREQUESTSPACE_H #include <IOKit/firewire/IOFWAddressSpace.h> class IOFireWireBus; /*! @class IOFireWireAVCRequestSpace @abstract object to multiplex users of the FCP request register */ class IOFireWireAVCRequestSpace : public IOFWPseudoAddressSpace { OSDeclareDefaultStructors(IOFireWireAVCRequestSpace) protected: UInt8 fUnitAddr; /*! @struct ExpansionData @discussion This structure will be used to expand the capablilties of the class in the future. */ struct ExpansionData { }; /*! @var reserved Reserved for future use. (Internal use only) */ ExpansionData *reserved; // Override to check cts, subunit type and id virtual UInt32 doWrite(UInt16 nodeID, IOFWSpeed &speed, FWAddress addr, UInt32 len, const void *buf, IOFWRequestRefCon refcon); public: /*! @function init @abstract initializes the IOFireWireAVCRequestSpace object @param bus FireWire bus. @param subUnitType AVC subunit type to receive requests for. @param subUnitID AVC subunit ID to receive requests for. @param refcon arbitrary value passed back as first argument of writer. @param writer callback function when a write to the FCP request register matches the specified AVC subunit. */ virtual bool init(IOFireWireBus * bus, UInt32 subUnitType, UInt32 subUnitID, FWWriteCallback writer, void * refcon); /*! @function withSubUnit @abstract creates a IOFireWireAVCRequestSpace object @param bus FireWire bus. @param subUnitType AVC subunit type to receive requests for. @param subUnitID AVC subunit ID to receive requests for. @param writer callback function when a write to the FCP request register matches the specified AVC subunit. @param refcon arbitrary value passed back as first argument of writer. */ static IOFireWireAVCRequestSpace * withSubUnit(IOFireWireBus * bus, UInt32 subUnitType, UInt32 subUnitID, FWWriteCallback writer, void * refcon); private: OSMetaClassDeclareReservedUnused(IOFireWireAVCRequestSpace, 0); OSMetaClassDeclareReservedUnused(IOFireWireAVCRequestSpace, 1); OSMetaClassDeclareReservedUnused(IOFireWireAVCRequestSpace, 2); OSMetaClassDeclareReservedUnused(IOFireWireAVCRequestSpace, 3); }; #endif /* _IOKIT_IOFIREWIREAVCREQUESTSPACE_H */