/*

     File: AppleSamplePCIUserClient.h

 Abstract: This class represents the user client object for the driver, which

    will be instantiated by I/O Kit to represent a connection to the client

    process, in response to the client's call to IOServiceOpen().

    It will be destroyed when the connection is closed or the client

    abnormally terminates, so it should track all the resources allocated

    to the client.

  Version: 1.1

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 MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION

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 FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND

 OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.

 IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL

 OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

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 */

#include <IOKit/IOUserClient.h>

#include "AppleSamplePCI.h"

#define SamplePCIUserClientClassName com_example_apple_samplecode_driver_SamplePCIUserClient

// Forward declarations

class IOBufferMemoryDescriptor;

class SamplePCIUserClientClassName : public IOUserClient

{

    /*

     * Declare the metaclass information that is used for runtime typechecking of IOKit objects.

     */

    OSDeclareDefaultStructors(com_example_apple_samplecode_driver_SamplePCIUserClient);

private:

    SamplePCIClassName*         fDriver;

    IOBufferMemoryDescriptor*   fClientSharedMemory;

    SampleSharedMemory*         fClientShared;

    task_t                      fTask;

    int32_t                     fOpenCount;

public:

    /* IOService overrides */

    virtual bool start(IOService* provider);

    virtual void stop(IOService* provider);

    /* IOUserClient overrides */

    virtual bool initWithTask(task_t owningTask, void* securityID,

                              UInt32 type, OSDictionary* properties);

    virtual IOReturn clientClose(void);

    virtual IOReturn externalMethod(uint32_t selector, IOExternalMethodArguments* arguments,

                                    IOExternalMethodDispatch* dispatch, OSObject* target, void* reference);

    virtual IOReturn clientMemoryForType(UInt32 type,

                                         IOOptionBits* options,

                                         IOMemoryDescriptor** memory);

    /* External methods */

    virtual IOReturn method1(UInt32* dataIn, UInt32* dataOut,

                             IOByteCount inputCount, IOByteCount* outputCount);

    virtual IOReturn method2(SampleStructForMethod2* structIn, 

                             SampleResultsForMethod2* structOut,

                             IOByteCount inputSize, IOByteCount* outputSize);

};