1 files changed, 84 insertions, 0 deletions
diff --git a/freebsd/sys/fs/nfs/nfscl.h b/freebsd/sys/fs/nfs/nfscl.h
new file mode 100644
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--- /dev/null
+++ b/freebsd/sys/fs/nfs/nfscl.h
@@ -0,0 +1,84 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2009 Rick Macklem, University of Guelph
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef	_NFS_NFSCL_H
+#define	_NFS_NFSCL_H
+
+/*
+ * Extra stuff for a NFSv4 nfsnode.
+ * MALLOC'd to the correct length for the name and file handle.
+ * n4_data has the file handle, followed by the file name.
+ * The macro NFS4NODENAME() returns a pointer to the start of the
+ * name.
+ */
+struct nfsv4node {
+	u_int16_t	n4_fhlen;
+	u_int16_t	n4_namelen;
+	u_int8_t	n4_data[1];
+};
+
+#define	NFS4NODENAME(n)	(&((n)->n4_data[(n)->n4_fhlen]))
+
+/*
+ * Just a macro to convert the nfscl_reqstart arguments.
+ */
+#define	NFSCL_REQSTART(n, p, v) 					\
+	nfscl_reqstart((n), (p), VFSTONFS((v)->v_mount), 		\
+	    VTONFS(v)->n_fhp->nfh_fh, VTONFS(v)->n_fhp->nfh_len, NULL,	\
+	    NULL, 0, 0)
+
+/*
+ * These two macros convert between a lease duration and renew interval.
+ * For now, just make the renew interval 1/2 the lease duration.
+ * (They should be inverse operators.)
+ */
+#define	NFSCL_RENEW(l)	(((l) < 2) ? 1 : ((l) / 2))
+#define	NFSCL_LEASE(r)	((r) * 2)
+
+/* This macro checks to see if a forced dismount is about to occur. */
+#define	NFSCL_FORCEDISM(m)	(((m)->mnt_kern_flag & MNTK_UNMOUNTF) != 0 || \
+    (VFSTONFS(m)->nm_privflag & NFSMNTP_FORCEDISM) != 0)
+
+/*
+ * These flag bits are used for the argument to nfscl_fillsattr() to
+ * indicate special handling of the attributes.
+ */
+#define	NFSSATTR_FULL		0x1
+#define	NFSSATTR_SIZE0		0x2
+#define	NFSSATTR_SIZENEG1	0x4
+#define	NFSSATTR_SIZERDEV	0x8
+
+/* Use this macro for debug printfs. */
+#define	NFSCL_DEBUG(level, ...)	do {					\
+		if (nfscl_debuglevel >= (level))			\
+			printf(__VA_ARGS__);				\
+	} while (0)
+
+#endif	/* _NFS_NFSCL_H */