xref: /freebsd/sys/nfs/nfs_mountcommon.h (revision 4d4f9a37210bebd8962868b54cd2d1eb54feafdd)
1ca27c028SRick Macklem /*-
2ca27c028SRick Macklem  * Copyright (c) 2009 Rick Macklem, University of Guelph
3ca27c028SRick Macklem  * All rights reserved.
4ca27c028SRick Macklem  *
5ca27c028SRick Macklem  * Redistribution and use in source and binary forms, with or without
6ca27c028SRick Macklem  * modification, are permitted provided that the following conditions
7ca27c028SRick Macklem  * are met:
8ca27c028SRick Macklem  * 1. Redistributions of source code must retain the above copyright
9ca27c028SRick Macklem  *    notice, this list of conditions and the following disclaimer.
10ca27c028SRick Macklem  * 2. Redistributions in binary form must reproduce the above copyright
11ca27c028SRick Macklem  *    notice, this list of conditions and the following disclaimer in the
12ca27c028SRick Macklem  *    documentation and/or other materials provided with the distribution.
13ca27c028SRick Macklem  *
14ca27c028SRick Macklem  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15ca27c028SRick Macklem  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16ca27c028SRick Macklem  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17ca27c028SRick Macklem  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18ca27c028SRick Macklem  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19ca27c028SRick Macklem  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20ca27c028SRick Macklem  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21ca27c028SRick Macklem  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22ca27c028SRick Macklem  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23ca27c028SRick Macklem  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24ca27c028SRick Macklem  * SUCH DAMAGE.
25ca27c028SRick Macklem  *
26ca27c028SRick Macklem  * $FreeBSD$
27ca27c028SRick Macklem  */
28ca27c028SRick Macklem 
29ca27c028SRick Macklem #ifndef _NFS_MOUNTCOMMON_H_
30ca27c028SRick Macklem #define	_NFS_MOUNTCOMMON_H_
31ca27c028SRick Macklem 
32ca27c028SRick Macklem /*
33ca27c028SRick Macklem  * The common fields of the nfsmount structure for the two clients
34ca27c028SRick Macklem  * used by the nlm. It includes a function pointer that provides
35ca27c028SRick Macklem  * a mechanism for getting the client specific info for an nfs vnode.
36ca27c028SRick Macklem  */
37*4d4f9a37SRick Macklem typedef void	nfs_getinfofromvp_ftype(struct vnode *, uint8_t *, size_t *,
38ca27c028SRick Macklem 		    struct sockaddr_storage *, int *, off_t *);
39ca27c028SRick Macklem 
40ca27c028SRick Macklem struct	nfsmount_common {
41ca27c028SRick Macklem 	struct mtx	nmcom_mtx;
42ca27c028SRick Macklem 	int	nmcom_flag;		/* Flags for soft/hard... */
43ca27c028SRick Macklem 	int	nmcom_state;		/* Internal state flags */
44ca27c028SRick Macklem 	struct	mount *nmcom_mountp;	/* Vfs structure for this filesystem */
45ca27c028SRick Macklem 	int	nmcom_timeo;		/* Init timer for NFSMNT_DUMBTIMR */
46ca27c028SRick Macklem 	int	nmcom_retry;		/* Max retries */
47ca27c028SRick Macklem 	char	nmcom_hostname[MNAMELEN];	/* server's name */
48ca27c028SRick Macklem 	nfs_getinfofromvp_ftype	*nmcom_getinfo;	/* Get info from nfsnode */
49ca27c028SRick Macklem };
50ca27c028SRick Macklem 
51ca27c028SRick Macklem #endif	/* _NFS_MOUNTCOMMON_H_ */
52