import "wtypes.idl", "unknwn.idl";

cpp_quote("#if (NTDDI_VERSION >= NTDDI_WIN8)")
cpp_quote("STDAPI")
cpp_quote("CreateDeviceAccessInstance(")
cpp_quote("    _In_ PCWSTR deviceInterfacePath,")
cpp_quote("    _In_ DWORD desiredAccess,")
cpp_quote("    _COM_Outptr_ ICreateDeviceAccessAsync **createAsync")
cpp_quote("    );")
cpp_quote("#endif")

declare_guid(CLSID_DeviceIoControl, 12D3E372-874B-457D-9FDF-73977778686C);

[object,
 uuid (999BAD24-9ACD-45BB-8669-2A2FC0288B04),
 pointer_default(unique)
 ]
interface IDeviceRequestCompletionCallback : IUnknown
{
cpp_quote("#define RequestCompletion Invoke")

    HRESULT
    RequestCompletion(
        [in] HRESULT requestResult,
        [in] DWORD bytesReturned
        );
}

[object,
uuid (9EEFE161-23AB-4F18-9B49-991B586AE970),
pointer_default(unique),
local
]
interface IDeviceIoControl : IUnknown
{

    HRESULT
    DeviceIoControlSync(
        [in, annotation("_In_")] DWORD ioControlCode,
        [in, size_is(inputBufferSize), annotation("_In_reads_opt_(inputBufferSize)")] UCHAR *inputBuffer,
        [in, annotation("_In_")] DWORD inputBufferSize,
        [out, size_is(outputBufferSize), annotation("_Out_writes_opt_(outputBufferSize)")] UCHAR *outputBuffer,
        [in, annotation("_In_")] DWORD outputBufferSize,
        [out, annotation("_Out_")] DWORD *bytesReturned
        );

    HRESULT
    DeviceIoControlAsync(
        [in, annotation("_In_")] DWORD ioControlCode,
        [in, size_is(inputBufferSize), annotation("_In_reads_opt_(inputBufferSize)")] UCHAR *inputBuffer,
        [in, annotation("_In_")] DWORD inputBufferSize,
        [out, size_is(outputBufferSize), annotation("_Out_writes_opt_(outputBufferSize)")] UCHAR *outputBuffer,
        [in, annotation("_In_")] DWORD outputBufferSize,
        [in, annotation("_In_")] IDeviceRequestCompletionCallback * requestCompletionCallback,
        [out, annotation("_Out_opt_")] ULONG_PTR * cancelContext
        );

    HRESULT
    CancelOperation(
        [in, annotation("_In_")] ULONG_PTR cancelContext
        );
}

[object,
 uuid (3474628F-683D-42D2-ABCB-DB018C6503BC),
 pointer_default(unique),
 local
 ]
interface ICreateDeviceAccessAsync : IUnknown
{
    HRESULT
    Cancel();

    HRESULT
    Wait(
        [in, annotation("_In_")] DWORD timeout
        );

    HRESULT
    Close();

    //
    // Current IIDs that are valid for this function are:
    //
    // IID_IDeviceIoControl
    //
    HRESULT
    GetResult(
        [in, annotation("_In_")] REFIID riid,
        [out, annotation("_COM_Outptr_")] void** deviceAccess
        );
}