1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2009 Rick Macklem, University of Guelph
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef _NFS_MOUNTCOMMON_H_
30#define	_NFS_MOUNTCOMMON_H_
31
32/*
33 * The common fields of the nfsmount structure for the two clients
34 * used by the nlm. It includes a function pointer that provides
35 * a mechanism for getting the client specific info for an nfs vnode.
36 */
37typedef void	nfs_getinfofromvp_ftype(struct vnode *, uint8_t *, size_t *,
38		    struct sockaddr_storage *, int *, off_t *,
39		    struct timeval *);
40typedef int	nfs_vinvalbuf_ftype(struct vnode *, int, struct thread *, int);
41
42struct	nfsmount_common {
43	struct mtx	nmcom_mtx;
44	int	nmcom_flag;		/* Flags for soft/hard... */
45	int	nmcom_state;		/* Internal state flags */
46	struct	mount *nmcom_mountp;	/* Vfs structure for this filesystem */
47	int	nmcom_timeo;		/* Init timer for NFSMNT_DUMBTIMR */
48	int	nmcom_retry;		/* Max retries */
49	char	nmcom_hostname[MNAMELEN];	/* server's name */
50	nfs_getinfofromvp_ftype	*nmcom_getinfo;	/* Get info from nfsnode */
51	nfs_vinvalbuf_ftype	*nmcom_vinvalbuf; /* Invalidate buffers */
52};
53
54#endif	/* _NFS_MOUNTCOMMON_H_ */
55