framework.cpp

Go to the documentation of this file.

/*++
 
Copyright (c) Microsoft Corporation
 
Module Name:
 
    framework.cpp
 
Abstract:
 
Environment:
 
    User mode only
 
Revision History:
 
 
--*/
 
#include <ntverp.h>
#include <strsafe.h>
#include <driverspecs.h>
 
#include "fxmin.hpp"
#include "FxFrameworkStubUm.h"
 
extern "C" {
#include "FxDynamics.h"
#include "..\librarycommon\FxLibraryCommon.h"
extern WDF_LIBRARY_INFO  WdfLibraryInfo;
 
#if !(NO_UMDF_VERSION_EXPORT)
DECLSPEC_EXPORT
DECLSPEC_SELECTANY
 
UMDF_VERSION_DATA Microsoft_WDF_UMDF_Version = {__WUDF_MAJOR_VERSION,
 
                                                __WUDF_MINOR_VERSION,
 
                                                __WUDF_SERVICE_VERSION};
 
#endif
 
//
// Pointer to the platform interface supplied by the host
//
IUMDFPlatform *g_IUMDFPlatform = NULL;
IWudfHost2 *g_IWudfHost2 = NULL;
 
 
// ***********************************************************************************
// DLL Entry Point
BOOL
WINAPI DllMain(
    __in HINSTANCE hInstance,
    __in DWORD dwReason,
    __in LPVOID lpReserved
    )
{
    UNREFERENCED_PARAMETER(lpReserved);
 
    hInstance;
 
    if (DLL_PROCESS_ATTACH == dwReason)
    {
        DisableThreadLibraryCalls(hInstance);
    }
    else if (DLL_PROCESS_DETACH == dwReason)
    {
        DO_NOTHING();
    }
 
    return TRUE;
}
 
__control_entrypoint(DllExport)
NTSTATUS
FxFrameworkEntryUm(
    __in PWUDF_LOADER_FX_INTERFACE LoaderInterface,
    __in PVOID Context
    )
{
    NTSTATUS status;
 
    //
    // Basic validation.
    //
    if (LoaderInterface == NULL ||
        LoaderInterface->Size < sizeof(WUDF_LOADER_FX_INTERFACE) ||
        LoaderInterface->pUMDFPlatform == NULL) {
        status = STATUS_INVALID_PARAMETER;
        __Print(("Failed to validate loader interface parameters, "
            "status 0x%x\n", status));
        goto Done;
    }
 
    //
    // Store platform interface.
    //
    g_IUMDFPlatform = LoaderInterface->pUMDFPlatform;
 
    //
    // Get the IWudfHost * from LoaderInterface.
    //
    FX_VERIFY(INTERNAL, CHECK_NOT_NULL(LoaderInterface->pIWudfHost));
    HRESULT hrQI = LoaderInterface->pIWudfHost->QueryInterface(
                                    IID_IWudfHost2,
                                    (PVOID*)&g_IWudfHost2
                                    );
 
    FX_VERIFY(INTERNAL, CHECK_QI(hrQI, g_IWudfHost2));
    g_IWudfHost2->Release();
 
    //
    // Do first time init of this v2.x framework module.
    // In framework v1.x this is done as a side effect of invoking the
    // IUMDFramework->Initialize method.
    //
    status = LoaderInterface->RegisterLibrary(Context, &WdfLibraryInfo);
    if (!NT_SUCCESS(status)) {
        __Print(("RegisterLibrary failed, status 0x%x\n", status));
        goto Done;
    }
 
    status = STATUS_SUCCESS;
 
Done:
 
    return status;
}
 
}