1 files changed, 137 insertions, 0 deletions
diff --git a/filesys/miniFilter/cdo/CdoStruct.h b/filesys/miniFilter/cdo/CdoStruct.h
new file mode 100644
index 00000000..6e05a9b1
--- /dev/null
+++ b/filesys/miniFilter/cdo/CdoStruct.h
@@ -0,0 +1,137 @@
+/*++
+
+Copyright (c) 1999 - 2003  Microsoft Corporation
+
+Module Name:
+
+    CdoStruct.h 
+
+Abstract:
+
+    This is the header file defining the data structures used by the kernel mode
+    filter driver implementing the control device object sample.
+
+
+Environment:
+
+    Kernel mode
+
+
+--*/
+
+//
+//  CDO sample filter global data
+//
+
+//
+//  GLOBAL_DATA_F_xxx flags
+//
+
+//
+//  Indicates that there is a open reference to the CDO
+//
+#define GLOBAL_DATA_F_CDO_OPEN_REF      0x00000001 
+
+//
+//  Indicates that there is a open handle to the CDO
+//
+
+#define GLOBAL_DATA_F_CDO_OPEN_HANDLE   0x00000002
+
+//
+//  Globals
+//
+
+typedef struct _CDO_GLOBAL_DATA {
+
+    //
+    //  Handle to minifilter returned from FltRegisterFilter()
+    //
+
+    PFLT_FILTER Filter;
+
+    //
+    //  Driver object for this filter
+    //
+    
+    PDRIVER_OBJECT FilterDriverObject;
+
+    //
+    //  Control Device Object for this filter
+    //
+    
+    PDEVICE_OBJECT FilterControlDeviceObject;
+
+    //
+    //  Flags - GLOBAL_DATA_F_xxx
+    //
+
+    ULONG Flags;
+
+    //
+    //  Resource to synchronize access to flags
+    //
+
+    ERESOURCE Resource;
+    
+#if DBG
+
+    //
+    // Field to control nature of debug output
+    //
+    
+    ULONG DebugLevel;
+#endif
+
+} CDO_GLOBAL_DATA, *PCDO_GLOBAL_DATA;
+
+extern CDO_GLOBAL_DATA Globals;
+
+//
+//  The name of the CDO created by this filter
+//
+
+#define CONTROL_DEVICE_OBJECT_NAME               L"\\FileSystem\\Filters\\CdoSample"
+
+//
+//  Macro to test if this is my control device object
+//
+
+#define IS_MY_CONTROL_DEVICE_OBJECT(_devObj) \
+    (((_devObj) == Globals.FilterControlDeviceObject) ? \
+            (FLT_ASSERT(((_devObj)->DriverObject == Globals.FilterDriverObject) && \
+                        ((_devObj)->DeviceExtension == NULL)), TRUE) : \
+            FALSE)
+
+
+//
+//  Debug helper functions
+//
+            
+#if DBG
+            
+            
+#define DEBUG_TRACE_ERROR                               0x00000001  // Errors - whenever we return a failure code
+#define DEBUG_TRACE_LOAD_UNLOAD                         0x00000002  // Loading/unloading of the filter
+            
+#define DEBUG_TRACE_CDO_CREATE_DELETE                   0x00000004  // Creation/Deletion of CDO
+#define DEBUG_TRACE_CDO_SUPPORTED_OPERATIONS            0x00000008  // Supported operations on CDO
+#define DEBUG_TRACE_CDO_FASTIO_OPERATIONS               0x00000010  // FastIO operations on CDO
+#define DEBUG_TRACE_CDO_ALL_OPERATIONS                  0x00000020  // All operations on CDO
+                                    
+#define DEBUG_TRACE_ALL                                 0xFFFFFFFF  // All flags
+            
+            
+#define DebugTrace(Level, Data)                     \
+    if ((Level) & Globals.DebugLevel) {             \
+        DbgPrint Data;                              \
+    }
+            
+            
+#else
+            
+#define DebugTrace(Level, Data)             {NOTHING;}
+            
+#endif
+
+