xref: /freebsd/sys/nfsclient/nfsmount.h (revision ae1f3df43466466a21c7da0df93ecb58a3e53d74)
1 /*-
2  * Copyright (c) 1989, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Rick Macklem at The University of Guelph.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 4. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  *	@(#)nfsmount.h	8.3 (Berkeley) 3/30/95
33  * $FreeBSD$
34  */
35 
36 #ifndef _NFSCLIENT_NFSMOUNT_H_
37 #define _NFSCLIENT_NFSMOUNT_H_
38 
39 #include <sys/socket.h>
40 
41 #include <nfs/nfs_mountcommon.h>
42 
43 #include <rpc/types.h>
44 #include <rpc/auth.h>
45 #include <rpc/clnt.h>
46 #include <rpc/rpcsec_gss.h>
47 
48 /*
49  * Mount structure.
50  * One allocated on every NFS mount.
51  * Holds NFS specific information for mount.
52  */
53 struct	nfsmount {
54 	struct	nfsmount_common nm_com;	/* Common fields for nlm */
55 	int	nm_numgrps;		/* Max. size of groupslist */
56 	u_char	nm_fh[NFSX_V4FH];	/* File handle of root dir */
57 	int	nm_fhsize;		/* Size of root file handle */
58 	int	nm_sotype;		/* Type of socket */
59 	int	nm_soproto;		/* and protocol */
60 	int	nm_soflags;		/* pr_flags for socket protocol */
61 	struct	sockaddr *nm_nam;	/* Addr of server */
62 	int	nm_deadthresh;		/* Threshold of timeouts-->dead server*/
63 	int	nm_rsize;		/* Max size of read rpc */
64 	int	nm_wsize;		/* Max size of write rpc */
65 	int	nm_readdirsize;		/* Size of a readdir rpc */
66 	int	nm_readahead;		/* Num. of blocks to readahead */
67 	int	nm_wcommitsize;		/* Max size of commit for write */
68 	int	nm_acdirmin;		/* Directory attr cache min lifetime */
69 	int	nm_acdirmax;		/* Directory attr cache max lifetime */
70 	int	nm_acregmin;		/* Reg file attr cache min lifetime */
71 	int	nm_acregmax;		/* Reg file attr cache max lifetime */
72 	u_char	nm_verf[NFSX_V3WRITEVERF]; /* V3 write verifier */
73 	TAILQ_HEAD(, buf) nm_bufq;	/* async io buffer queue */
74 	short	nm_bufqlen;		/* number of buffers in queue */
75 	short	nm_bufqwant;		/* process wants to add to the queue */
76 	int	nm_bufqiods;		/* number of iods processing queue */
77 	u_int64_t nm_maxfilesize;	/* maximum file size */
78 	struct nfs_rpcops *nm_rpcops;
79 	int	nm_tprintf_initial_delay;	/* initial delay */
80 	int	nm_tprintf_delay;		/* interval for messages */
81 	int	nm_secflavor;		 /* auth flavor to use for rpc */
82 	struct __rpc_client *nm_client;
83 	struct rpc_timers nm_timers[NFS_MAX_TIMER]; /* RTT Timers for rpcs */
84 	char	nm_principal[MNAMELEN];	/* GSS-API principal of server */
85 	gss_OID	nm_mech_oid;		/* OID of selected GSS-API mechanism */
86 	int	nm_nametimeo;		/* timeout for +ve entries (sec) */
87 	int	nm_negnametimeo;	/* timeout for -ve entries (sec) */
88 
89 	/* NFSv4 */
90 	uint64_t nm_clientid;
91 	fsid_t	nm_fsid;
92 	u_int	nm_lease_time;
93 	time_t	nm_last_renewal;
94 };
95 
96 #define	nm_mtx		nm_com.nmcom_mtx
97 #define	nm_flag		nm_com.nmcom_flag
98 #define	nm_state	nm_com.nmcom_state
99 #define	nm_mountp	nm_com.nmcom_mountp
100 #define	nm_timeo	nm_com.nmcom_timeo
101 #define	nm_retry	nm_com.nmcom_retry
102 #define	nm_hostname	nm_com.nmcom_hostname
103 #define	nm_getinfo	nm_com.nmcom_getinfo
104 #define	nm_vinvalbuf	nm_com.nmcom_vinvalbuf
105 
106 #if defined(_KERNEL)
107 /*
108  * Convert mount ptr to nfsmount ptr.
109  */
110 #define VFSTONFS(mp)	((struct nfsmount *)((mp)->mnt_data))
111 
112 #ifndef NFS_TPRINTF_INITIAL_DELAY
113 #define NFS_TPRINTF_INITIAL_DELAY       12
114 #endif
115 
116 #ifndef NFS_TPRINTF_DELAY
117 #define NFS_TPRINTF_DELAY               30
118 #endif
119 
120 #ifndef NFS_DEFAULT_NAMETIMEO
121 #define NFS_DEFAULT_NAMETIMEO		60
122 #endif
123 
124 #ifndef NFS_DEFAULT_NEGNAMETIMEO
125 #define NFS_DEFAULT_NEGNAMETIMEO	60
126 #endif
127 
128 #endif
129 
130 #endif
131