--- /dev/null
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _rpcosl_h_
+#define _rpcosl_h_
+
+typedef struct rpc_osl rpc_osl_t;
+extern rpc_osl_t *rpc_osl_attach(osl_t * osh);
+extern void rpc_osl_detach(rpc_osl_t * rpc_osh);
+
+#define RPC_OSL_LOCK(rpc_osh) rpc_osl_lock((rpc_osh))
+#define RPC_OSL_UNLOCK(rpc_osh) rpc_osl_unlock((rpc_osh))
+#define RPC_OSL_WAIT(rpc_osh, to, ptimedout) rpc_osl_wait((rpc_osh), (to), (ptimedout))
+#define RPC_OSL_WAKE(rpc_osh) rpc_osl_wake((rpc_osh))
+extern void rpc_osl_lock(rpc_osl_t * rpc_osh);
+extern void rpc_osl_unlock(rpc_osl_t * rpc_osh);
+extern int rpc_osl_wait(rpc_osl_t * rpc_osh, uint ms, bool * ptimedout);
+extern void rpc_osl_wake(rpc_osl_t * rpc_osh);
+
+#endif /* _rpcosl_h_ */