FakePCIID.h

/*
 *  Released under "The GNU General Public License (GPL-2.0)"
 *
 *  This program is free software; you can redistribute it and/or modify it
 *  under the terms of the GNU General Public License as published by the
 *  Free Software Foundation; either version 2 of the License, or (at your
 *  option) any later version.
 *
 *  This program is distributed in the hope that it will be useful, but
 *  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 *  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
 *  for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 *  Based on iSightDefender concept by Stephen Checkoway (https://github.com/stevecheckoway/iSightDefender)
 */

#ifndef FakePCIID_h
#define FakePCIID_h

#include <IOKit/IOService.h>
#include <IOKit/pci/IOPCIDevice.h>

class FakePCIID : public IOService
{
    OSDeclareDefaultStructors(FakePCIID);
    typedef IOService super;

protected:
    const void *mDeviceVtable;
    const void *mStubVtable;
    IOPCIDevice* mProvider;

    virtual bool hookProvider(IOService* provider);
    void unhookProvider();
    void mergeFakeProperties(IOService* provider, const char* name, bool force);

    static inline const void *getVTable(const IOPCIDevice *object)
        { return *(const void *const *)object; }
    static inline void setVTable(IOPCIDevice *object, const void *vtable)
        { *(const void **)object = vtable; }

public:
    virtual bool init(OSDictionary *propTable);
    virtual bool attach(IOService *provider);
    virtual bool start(IOService *provider);
    virtual void stop(IOService *provider);
    virtual void free();
#ifdef DEBUG
    virtual void detach(IOService *provider);
#endif
};


#endif