Add linux libspl support

All changes needed for the libspl layer.  This includes modifications
to files directly copied from OpenSolaris and the addition of new
files needed to fill in the gaps.

Signed-off-by: Brian Behlendorf <[email protected]>

2 files changed, 97 insertions, 0 deletions

diff --git a/lib/libspl/include/rpc/types.h b/lib/libspl/include/rpc/types.h
new file mode 100644
index 000000000..68c17f103
--- /dev/null
+++ b/lib/libspl/include/rpc/types.h
@@ -0,0 +1,32 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef LIBSPL_RPC_TYPES_H
+#define LIBSPL_RPC_TYPES_H
+
+#include_next <rpc/types.h>
+#include <sys/kmem.h>
+
+#endif /* LIBSPL_RPC_TYPES_H */
diff --git a/lib/libspl/include/rpc/xdr.h b/lib/libspl/include/rpc/xdr.h
new file mode 100644
index 000000000..cd6680f57
--- /dev/null
+++ b/lib/libspl/include/rpc/xdr.h
@@ -0,0 +1,65 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ *
+ * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ *
+ *	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T
+ *	  All Rights Reserved
+ *
+ * Portions of this source code were derived from Berkeley 4.3 BSD
+ * under license from the Regents of the University of California.
+ */
+
+#ifndef LIBSPL_RPC_XDR_H
+#define LIBSPL_RPC_XDR_H
+
+#include_next <rpc/xdr.h>
+
+/*
+ * These are XDR control operators
+ */
+
+#define	XDR_GET_BYTES_AVAIL 1
+
+typedef struct xdr_bytesrec {
+	bool_t xc_is_last_record;
+	size_t xc_num_avail;
+} xdr_bytesrec_t;
+
+/*
+ * These are the request arguments to XDR_CONTROL.
+ *
+ * XDR_PEEK - returns the contents of the next XDR unit on the XDR stream.
+ * XDR_SKIPBYTES - skips the next N bytes in the XDR stream.
+ * XDR_RDMAGET - for xdr implementation over RDMA, gets private flags from
+ *		 the XDR stream being moved over RDMA
+ * XDR_RDMANOCHUNK - for xdr implementaion over RDMA, sets private flags in
+ *                   the XDR stream moving over RDMA.
+ */
+#define XDR_PEEK      2
+#define XDR_SKIPBYTES 3
+#define XDR_RDMAGET   4
+#define XDR_RDMASET   5
+
+extern bool_t xdr_control(XDR *xdrs, int request, void *info);
+
+#endif