[WDF] Add Windows Driver Framework files

Takern from Microsoft GitHub repo:
d9c6040fe9

Licensed under MIT

sdk/lib/drivers/wdf/shared/inc/private/common/fxfileobjectcallbacks.hpp

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+/*++
+
+Copyright (c) Microsoft Corporation
+
+Module Name:
+
+    FxFileObjectCallbacks.h
+
+Abstract:
+
+    This module implements the I/O package queue object callbacks
+
+Author:
+
+
+
+
+Environment:
+
+    Both kernel and user mode
+
+Revision History:
+
+--*/
+
+#ifndef _FXFILEOBJECTCALLBACKS_H
+#define _FXFILEOBJECTCALLBACKS_H
+
+
+//
+// EvtDeviceFileCreate callback delegate
+//
+class FxFileObjectFileCreate : public FxLockedCallback {
+
+public:
+    PFN_WDF_DEVICE_FILE_CREATE Method;
+
+    FxFileObjectFileCreate(
+        VOID
+        ) :
+        FxLockedCallback()
+    {
+        Method = NULL;
+    }
+
+    VOID
+    Invoke(
+        __in WDFDEVICE Device,
+        __in WDFREQUEST Request,
+        __in_opt WDFFILEOBJECT FileObject
+        )
+    {
+
+        if (Method != NULL) {
+            KIRQL irql = 0;
+
+            CallbackStart(&irql);
+            Method(Device, Request, FileObject);
+            CallbackEnd(irql);
+        }
+    }
+};
+
+//
+// EvtFileCleanup callback delegate
+//
+class FxFileObjectFileCleanup : public FxLockedCallback {
+
+public:
+    PFN_WDF_FILE_CLEANUP Method;
+
+    FxFileObjectFileCleanup(
+        VOID
+        ) :
+        FxLockedCallback()
+    {
+        Method = NULL;
+    }
+
+    void
+    Invoke(
+        __in_opt WDFFILEOBJECT FileObject
+        )
+    {
+        if (Method != NULL) {
+            KIRQL irql = 0;
+
+            CallbackStart(&irql);
+            Method(FileObject);
+            CallbackEnd(irql);
+        }
+    }
+};
+
+//
+// EvtFileClose callback delegate
+//
+class FxFileObjectFileClose : public FxLockedCallback {
+
+public:
+    PFN_WDF_FILE_CLOSE Method;
+
+    FxFileObjectFileClose(
+        VOID
+        ) :
+        FxLockedCallback()
+    {
+        Method = NULL;
+    }
+
+    void
+    Invoke(
+        __in_opt WDFFILEOBJECT FileObject
+        )
+    {
+        if (Method != NULL) {
+            KIRQL irql = 0;
+
+            CallbackStart(&irql);
+            Method(FileObject);
+            CallbackEnd(irql);
+        }
+    }
+};
+
+//
+// EvtDeviceFileCreate callback delegate
+//
+class FxCxFileObjectFileCreate : public FxLockedCallback {
+
+public:
+    PFN_WDFCX_DEVICE_FILE_CREATE Method;
+
+    FxCxFileObjectFileCreate(
+        VOID
+        ) :
+        FxLockedCallback()
+    {
+        Method = NULL;
+    }
+
+    BOOLEAN
+    Invoke(
+        __in WDFDEVICE Device,
+        __in WDFREQUEST Request,
+        __in_opt WDFFILEOBJECT FileObject
+        )
+    {
+        BOOLEAN claimed = FALSE;
+
+        if (Method != NULL) {
+            KIRQL irql = 0;
+
+            CallbackStart(&irql);
+            claimed = Method(Device, Request, FileObject);
+            CallbackEnd(irql);
+        }
+
+        return claimed;
+    }
+};
+
+//
+// Collection of file-object callbacks.
+//
+struct FxFileObjectInfo : public FxStump {
+
+    FxFileObjectInfo() :
+        FileObjectClass(WdfFileObjectInvalid),
+        AutoForwardCleanupClose(WdfUseDefault),
+        ClassExtension(FALSE),
+        CxDeviceInfo(NULL)
+    {
+        InitializeListHead(&ListEntry);
+        RtlZeroMemory(&Attributes, sizeof(Attributes));
+    }
+
+    ~FxFileObjectInfo()
+    {
+        ASSERT(IsListEmpty(&ListEntry));
+    }
+
+    LIST_ENTRY                      ListEntry;
+
+    FxFileObjectFileCreate          EvtFileCreate;
+    FxCxFileObjectFileCreate        EvtCxFileCreate;
+    FxFileObjectFileCleanup         EvtFileCleanup;
+    FxFileObjectFileClose           EvtFileClose;
+
+    WDF_FILEOBJECT_CLASS            FileObjectClass;
+    WDF_OBJECT_ATTRIBUTES           Attributes;
+    WDF_TRI_STATE                   AutoForwardCleanupClose;
+
+    BOOLEAN                         ClassExtension;
+
+    FxCxDeviceInfo*                 CxDeviceInfo;
+};
+
+#endif // _FXFILEOBJECTCALLBACKS_H
+