/* * Copyright (c) 2003 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@ * * $Id: AppleEHCItdMemoryBlock.h,v 1.4 2003/08/20 19:41:32 nano Exp $ * * $Log: AppleEHCItdMemoryBlock.h,v $ * Revision 1.4 2003/08/20 19:41:32 nano * * Bug #: * New version's of Nima's USB Prober (2.2b17) * 3382540 Panther: Ejecting a USB CardBus card can freeze a machine * 3358482 Device Busy message with Modems and IOUSBFamily 201.2.14 after sleep * 3385948 Need to implement device recovery on High Speed Transaction errors to full speed devices * 3377037 USB EHCI: returnTransactions can cause unstable queue if transactions are aborted * * Also, updated most files to use the id/log functions of cvs * * Submitted by: nano * Reviewed by: rhoads/barryt/nano * */ #include <IOKit/IOBufferMemoryDescriptor.h> #include "AppleUSBEHCI.h" #include "USBEHCI.h" class AppleEHCItdMemoryBlock : public IOBufferMemoryDescriptor { OSDeclareDefaultStructors(AppleEHCItdMemoryBlock); #define TDsPerBlock (kEHCIPageSize / sizeof(EHCIGeneralTransferDescriptorShared)) private: EHCIGeneralTransferDescriptor _TDs[TDsPerBlock]; IOPhysicalAddress _sharedMem; AppleEHCItdMemoryBlock *_nextBlock; public: static AppleEHCItdMemoryBlock *NewMemoryBlock(void); UInt32 NumTDs(void); EHCIGeneralTransferDescriptorPtr GetTD(UInt32 index); void SetNextBlock(AppleEHCItdMemoryBlock *next); AppleEHCItdMemoryBlock *GetNextBlock(void); };