/* * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * 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@ */ /* * * IOSCSIDevice.h * * * Methods in this header provide information about the SCSI device * the device client driver is submitting the SCSICommand(s) to. * * Note: SCSICommand(s) are allocated and freed by methods in this class. * The remaining methods to setup and submit SCSICommands are defined in * IOSCSICommand.h */ #ifndef _IOSCSIDEVICE_H #define _IOSCSIDEVICE_H #include "IOCDBDevice.h" #include "IOCDBCommand.h" #include "SCSIDevice.h" class IOSCSICommand; class IOCDBDevice; class IOSCSIDevice : public IOCDBDevice { OSDeclareAbstractStructors(IOSCSIDevice) /*------------------Methods provided to IOCDBDevice clients-----------------------*/ public: /* * Allocate a CDB Command */ virtual IOCDBCommand *allocCommand( IOCDBDevice *cdbDevice, UInt32 clientDataSize = 0 ) = 0; /* * Abort all outstanding commands on this device */ virtual void abort() = 0; /* * Reset device (also aborts all outstanding commands) */ virtual void reset() = 0; /* * Obtain information about this device */ virtual void getInquiryData( void *inquiryBuffer, UInt32 inquiryBufSize, UInt32 *inquiryDataSize ) = 0; /*------------------Additional methods provided to IOSCSIDevice clients-----------------------*/ public: /* * Allocate a SCSICommand */ virtual IOSCSICommand *allocCommand( IOSCSIDevice *scsiDevice, UInt32 clientDataSize = 0 ) = 0; /* * Target management commands */ virtual bool setTargetParms( SCSITargetParms *targetParms ) = 0; virtual void getTargetParms( SCSITargetParms *targetParms ) = 0; /* * Lun management commands */ virtual bool setLunParms( SCSILunParms *lunParms ) = 0; virtual void getLunParms( SCSILunParms *lunParms ) = 0; /* * Queue management commands */ virtual void holdQueue( UInt32 queueType ) = 0; virtual void releaseQueue( UInt32 queueType ) = 0; virtual void flushQueue( UInt32 queueType, IOReturn rc ) = 0; virtual void notifyIdle( void *target = 0, CallbackFn callback = 0, void *refcon = 0 ) = 0; }; #define kIOSCSIDevice ((IOSCSIDevice *)0) #endif