diff --git a/reactos/sdk/include/reactos/drivers/fltmgr/fltmgr_shared.h b/reactos/sdk/include/reactos/drivers/fltmgr/fltmgr_shared.h
new file mode 100644
index 00000000000..737780c6122
--- /dev/null
+++ b/reactos/sdk/include/reactos/drivers/fltmgr/fltmgr_shared.h
@@ -0,0 +1,16 @@
+#pragma once
+
+#define IOCTL_LOAD_FILTER       CTL_CODE(FILE_DEVICE_DISK_FILE_SYSTEM, 0x01, 0, FILE_WRITE_DATA) //88004
+#define IOCTL_UNLOAD_FILTER     CTL_CODE(FILE_DEVICE_DISK_FILE_SYSTEM, 0x02, 0, FILE_WRITE_DATA) //88008
+#define IOCTL_INIT_FIND         CTL_CODE(FILE_DEVICE_DISK_FILE_SYSTEM, 0x03, 0, FILE_READ_DATA)  //8400C
+
+//84024 find first
+//84028 find next
+
+
+typedef struct _FILTER_NAME
+{
+    USHORT Length;
+    WCHAR FilterName[1];
+
+} FILTER_NAME, *PFILTER_NAME;