Source to iokit/Families/IOSCSIHDDrive/IOSCSIHDDriveNub.cpp

/*
 * Copyright (c) 1998-2000 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,
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#include <IOKit/IOLib.h>
#include <IOKit/storage/scsi/IOSCSIHDDriveNub.h>
#include <IOKit/storage/scsi/IOSCSIHDDrive.h>

#define	super	IOHDDriveNub
OSDefineMetaClassAndStructors(IOSCSIHDDriveNub,IOHDDriveNub)

bool
IOSCSIHDDriveNub::attach(IOService * provider)
{
//    IOLog("IOSCSIHDDriveNub: attach\n");
    
    if (!super::attach(provider)) {
        return(false);
    }
    
//    IOLog("IOSCSIHDDriveNub: attach; casting provider\n");
    _provider = OSDynamicCast(IOSCSIHDDrive,provider);
    if (_provider == NULL) {
        IOLog("IOSCSIHDDriveNub: attach; wrong provider type!\n");
        return(false);
    } else {
//        IOLog("IOSCSIHDDriveNub: attach; provider OK\n");
        return(true);
    }
}