University of Michigan's Citi NFSv4 kernel client code.

Submitted by: Jim Rees <rees@umich.edu>

1 files changed, 133 insertions, 0 deletions

diff --git a/sys/rpc/rpcm_subs.h b/sys/rpc/rpcm_subs.h
new file mode 100644
index 0000000..09e452a
--- /dev/null
+++ b/sys/rpc/rpcm_subs.h
@@ -0,0 +1,133 @@
+/* $FreeBSD$ */
+/*	$OpenBSD: nfsm_subs.h,v 1.11 2000/01/05 20:50:52 millert Exp $	*/
+/*	$NetBSD: nfsm_subs.h,v 1.10 1996/03/20 21:59:56 fvdl Exp $	*/
+
+/*
+ * copyright (c) 2003
+ * the regents of the university of michigan
+ * all rights reserved
+ * 
+ * permission is granted to use, copy, create derivative works and redistribute
+ * this software and such derivative works for any purpose, so long as the name
+ * of the university of michigan is not used in any advertising or publicity
+ * pertaining to the use or distribution of this software without specific,
+ * written prior authorization.  if the above copyright notice or any other
+ * identification of the university of michigan is included in any copy of any
+ * portion of this software, then the disclaimer below must also be included.
+ * 
+ * this software is provided as is, without representation from the university
+ * of michigan as to its fitness for any purpose, and without warranty by the
+ * university of michigan of any kind, either express or implied, including
+ * without limitation the implied warranties of merchantability and fitness for
+ * a particular purpose. the regents of the university of michigan shall not be
+ * liable for any damages, including special, indirect, incidental, or
+ * consequential damages, with respect to any claim arising out of or in
+ * connection with the use of the software, even if it has been or is hereafter
+ * advised of the possibility of such damages.
+ */
+
+/*
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Rick Macklem at The University of Guelph.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)nfsm_subs.h	8.2 (Berkeley) 3/30/95
+ */
+
+
+#ifndef _RPC_RPCM_SUBS_H_
+#define _RPC_RPCM_SUBS_H_
+
+
+/*
+ * Now for the macros that do the simple stuff and call the functions
+ * for the hard stuff.
+ * These macros use several vars. declared in rpcm_reqhead and these
+ * vars. must not be used elsewhere unless you are careful not to corrupt
+ * them. The vars. starting with pN and tN (N=1,2,3,..) are temporaries
+ * that may be used so long as the value is not expected to retained
+ * after a macro.
+ * I know, this is kind of dorkey, but it makes the actual op functions
+ * fairly clean and deals with the mess caused by the xdr discriminating
+ * unions.
+ */
+
+#define	rpcm_build(a,c,s) \
+		{ if ((s) > M_TRAILINGSPACE(mb)) { \
+			MGET(mb2, M_WAIT, MT_DATA); \
+			if ((s) > MLEN) \
+				panic("build > MLEN"); \
+			mb->m_next = mb2; \
+			mb = mb2; \
+			mb->m_len = 0; \
+			bpos = mtod(mb, caddr_t); \
+		} \
+		(a) = (c)(bpos); \
+		mb->m_len += (s); \
+		bpos += (s); }
+
+#define	rpcm_dissect(a, c, s) \
+		{ t1 = mtod(md, caddr_t)+md->m_len-dpos; \
+		if (t1 >= (s)) { \
+			(a) = (c)(dpos); \
+			dpos += (s); \
+		} else if ((t1 = rpcm_disct(&md, &dpos, (s), t1, &cp2)) != 0){ \
+			error = t1; \
+			goto rpcmout; \
+		} else { \
+			(a) = (c)cp2; \
+		} }
+
+#if 0
+#define rpcm_mtouio(p,s) \
+		if ((s) > 0 && \
+		   (t1 = rpcm_mbuftouio(&md,(p),(s),&dpos)) != 0) { \
+			error = t1; \
+			goto rpcmout; \
+		}
+#endif
+
+#define rpcm_rndup(a)	(((a)+3)&(~0x3))
+
+#define	rpcm_adv(s) \
+		{ t1 = mtod(md, caddr_t)+md->m_len-dpos; \
+		if (t1 >= (s)) { \
+			dpos += (s); \
+		} else if ((t1 = rpc_adv(&md, &dpos, (s), t1)) != 0) { \
+			error = t1; \
+			goto rpcmout; \
+		} }
+
+#define RPCMADV(m, s)   (m)->m_data += (s)
+
+#endif /* _RPC_RPCM_SUBS_H_ */