diff --git a/security/selinux/ss/mls.h b/security/selinux/ss/mls.h
new file mode 100644
index 0000000..0d37bea
--- /dev/null
+++ b/security/selinux/ss/mls.h
@@ -0,0 +1,42 @@
+/*
+ * Multi-level security (MLS) policy operations.
+ *
+ * Author : Stephen Smalley, <sds@epoch.ncsc.mil>
+ */
+/*
+ * Updated: Trusted Computer Solutions, Inc. <dgoeddel@trustedcs.com>
+ *
+ *	Support for enhanced MLS infrastructure.
+ *
+ * Copyright (C) 2004-2005 Trusted Computer Solutions, Inc.
+ */
+
+#ifndef _SS_MLS_H_
+#define _SS_MLS_H_
+
+#include "context.h"
+#include "policydb.h"
+
+int mls_compute_context_len(struct context *context);
+void mls_sid_to_context(struct context *context, char **scontext);
+int mls_context_isvalid(struct policydb *p, struct context *c);
+
+int mls_context_to_sid(char oldc,
+	               char **scontext,
+		       struct context *context);
+
+int mls_convert_context(struct policydb *oldp,
+			struct policydb *newp,
+			struct context *context);
+
+int mls_compute_sid(struct context *scontext,
+		    struct context *tcontext,
+		    u16 tclass,
+		    u32 specified,
+		    struct context *newcontext);
+
+int mls_setup_user_range(struct context *fromcon, struct user_datum *user,
+                         struct context *usercon);
+
+#endif	/* _SS_MLS_H */
+