diff --git a/include/Makefile.in b/include/Makefile.in
index b05fa299eaf..dcee1329ff6 100644
--- a/include/Makefile.in
+++ b/include/Makefile.in
@@ -246,6 +246,7 @@ SRCDIR_INCLUDES = \
 	dde.rh \
 	ddeml.h \
 	ddk/compstui.h \
+	ddk/csq.h \
 	ddk/hidsdi.h \
 	ddk/imm.h \
 	ddk/mountmgr.h \
diff --git a/include/ddk/csq.h b/include/ddk/csq.h
new file mode 100644
index 00000000000..7b4121f60e9
--- /dev/null
+++ b/include/ddk/csq.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2014 Austin English
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include "ddk/ntddk.h"
+
+#ifndef __WINE_CSQ_H
+#define __WINE_CSQ_H
+
+typedef struct _IO_CSQ IO_CSQ, *PIO_CSQ;
+typedef VOID (WINAPI *PIO_CSQ_ACQUIRE_LOCK)(PIO_CSQ Csq, PKIRQL Irql);
+typedef VOID (WINAPI *PIO_CSQ_COMPLETE_CANCELED_IRP)(PIO_CSQ Csq, PIRP Irp);
+typedef VOID (WINAPI *PIO_CSQ_INSERT_IRP)(struct _IO_CSQ *Csq, PIRP Irp);
+typedef PIRP (WINAPI *PIO_CSQ_PEEK_NEXT_IRP)(PIO_CSQ Csq, PIRP Irp, PVOID PeekContext);
+typedef VOID (WINAPI *PIO_CSQ_RELEASE_LOCK)(PIO_CSQ Csq, KIRQL Irql);
+typedef VOID (WINAPI *PIO_CSQ_REMOVE_IRP)(PIO_CSQ Csq, PIRP Irp);
+
+#endif  /* __WINE_CSQ_H */