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Annotation of XNU/iokit/IOKit/storage/scsi/IOSCSIHDDriveNub.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: /* IOSCSIHDDriveNub.h created by rick on Tue 23-Mar-1999 */
                     23: 
                     24: /* This subclass implements a relay to a protocol- and device-specific provider. */
                     25: 
                     26: #ifndef        _IOSCSIHDDRIVENUB_H
                     27: #define        _IOSCSIHDDRIVENUB_H
                     28: 
                     29: #include <IOKit/IOTypes.h>
                     30: #include <IOKit/storage/IOHDDriveNub.h>
                     31: 
                     32: class IOSCSIHDDrive;
                     33: 
                     34: class IOSCSIHDDriveNub : public IOHDDriveNub {
                     35: 
                     36:     OSDeclareDefaultStructors(IOSCSIHDDriveNub)
                     37: 
                     38: public:
                     39: 
                     40:     /* Overrides from IOService */
                     41: 
                     42:     virtual bool       attach(IOService * provider);
                     43:     virtual void       detach(IOService * provider);
                     44: 
                     45:     /* Mandatory overrides from IOHDDriveNub: */
                     46: 
                     47:     virtual IOReturn   doAsyncReadWrite(IOMemoryDescriptor *buffer,
                     48:                                             UInt32 block,UInt32 nblks,
                     49:                                             gdCompletionFunction action,
                     50:                                             IOService *target,void *param);
                     51:     virtual IOReturn   doSyncReadWrite(IOMemoryDescriptor *buffer,UInt32 block,UInt32 nblks);
                     52:     virtual IOReturn   doEjectMedia(void);
                     53:     virtual IOReturn   doFormatMedia(UInt64 byteCapacity);  
                     54:     virtual UInt32     doGetFormatCapacities(UInt64 * capacities,
                     55:                                             UInt32   capacitiesMaxCount) const;
                     56:     virtual IOReturn   doLockUnlockMedia(bool doLock);
                     57:     virtual IOReturn   doSynchronizeCache(void);
                     58:     virtual IOReturn   executeCdb(struct cdbParams *params);
                     59:     virtual char *     getVendorString(void);
                     60:     virtual char *     getProductString(void);
                     61:     virtual char *     getRevisionString(void);
                     62:     virtual char *     getAdditionalDeviceInfoString(void);
                     63:     virtual IOReturn   reportBlockSize(UInt64 *blockSize);
                     64:     virtual IOReturn   reportEjectability(bool *isEjectable);
                     65:     virtual IOReturn   reportLockability(bool *isLockable);
                     66:     virtual IOReturn   reportMediaState(bool *mediaPresent,bool *changed);    
                     67:     virtual IOReturn   reportPollRequirements(bool *PollIsRequired,bool *pollIsExpensive);
                     68:     virtual IOReturn   reportMaxReadTransfer (UInt64 blockSize,UInt64 *max);
                     69:     virtual IOReturn   reportMaxValidBlock(UInt64 *maxBlock);
                     70:     virtual IOReturn   reportMaxWriteTransfer(UInt64 blockSize,UInt64 *max);
                     71:     virtual IOReturn   reportRemovability(bool *isRemovable);
                     72:     virtual IOReturn   reportWriteProtection(bool *isWriteProtected);
                     73: 
                     74: protected:
                     75: 
                     76:     IOSCSIHDDrive *    _provider;
                     77: };
                     78: #endif

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