nfsmount.h revision 1.1 1 /* $NetBSD: nfsmount.h,v 1.1 2013/09/30 07:19:30 dholland Exp $ */
2 /*-
3 * Copyright (c) 1989, 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * Rick Macklem at The University of Guelph.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * FreeBSD: head/sys/fs/nfsclient/nfsmount.h 244042 2012-12-08 22:52:39Z rmacklem
34 * $NetBSD: nfsmount.h,v 1.1 2013/09/30 07:19:30 dholland Exp $
35 */
36
37 #ifndef _NFSCLIENT_NFSMOUNT_H_
38 #define _NFSCLIENT_NFSMOUNT_H_
39
40 #include <nfs/nfs_mountcommon.h>
41
42 /*
43 * Mount structure.
44 * One allocated on every NFS mount.
45 * Holds NFS specific information for mount.
46 */
47 struct nfsmount {
48 struct nfsmount_common nm_com; /* Common fields for nlm */
49 int nm_numgrps; /* Max. size of groupslist */
50 u_char nm_fh[NFSX_FHMAX]; /* File handle of root dir */
51 int nm_fhsize; /* Size of root file handle */
52 struct nfssockreq nm_sockreq; /* Socket Info */
53 int nm_timeouts; /* Request timeouts */
54 int nm_rsize; /* Max size of read rpc */
55 int nm_wsize; /* Max size of write rpc */
56 int nm_readdirsize; /* Size of a readdir rpc */
57 int nm_readahead; /* Num. of blocks to readahead */
58 int nm_wcommitsize; /* Max size of commit for write */
59 int nm_acdirmin; /* Directory attr cache min lifetime */
60 int nm_acdirmax; /* Directory attr cache max lifetime */
61 int nm_acregmin; /* Reg file attr cache min lifetime */
62 int nm_acregmax; /* Reg file attr cache max lifetime */
63 u_char nm_verf[NFSX_VERF]; /* write verifier */
64 TAILQ_HEAD(, buf) nm_bufq; /* async io buffer queue */
65 short nm_bufqlen; /* number of buffers in queue */
66 short nm_bufqwant; /* process wants to add to the queue */
67 int nm_bufqiods; /* number of iods processing queue */
68 u_int64_t nm_maxfilesize; /* maximum file size */
69 int nm_tprintf_initial_delay; /* initial delay */
70 int nm_tprintf_delay; /* interval for messages */
71 int nm_nametimeo; /* timeout for +ve entries (sec) */
72 int nm_negnametimeo; /* timeout for -ve entries (sec) */
73
74 /* Newnfs additions */
75 TAILQ_HEAD(, nfsclds) nm_sess; /* Session(s) for NFSv4.1. */
76 struct nfsclclient *nm_clp;
77 uid_t nm_uid; /* Uid for SetClientID etc. */
78 u_int64_t nm_clval; /* identifies which clientid */
79 u_int64_t nm_fsid[2]; /* NFSv4 fsid */
80 int nm_minorvers; /* Minor version # for NFSv4 */
81 u_int16_t nm_krbnamelen; /* Krb5 host principal, if any */
82 u_int16_t nm_dirpathlen; /* and mount dirpath, for V4 */
83 u_int16_t nm_srvkrbnamelen; /* and the server's target name */
84 u_char nm_name[1]; /* malloc'd actual len of krbname + dirpath */
85 };
86
87 #define nm_nam nm_sockreq.nr_nam
88 #define nm_sotype nm_sockreq.nr_sotype
89 #define nm_so nm_sockreq.nr_so
90 #define nm_soflags nm_sockreq.nr_soflags
91 #define nm_soproto nm_sockreq.nr_soproto
92 #define nm_client nm_sockreq.nr_client
93 #define nm_krbname nm_name
94 #define nm_mtx nm_com.nmcom_mtx
95 #define nm_flag nm_com.nmcom_flag
96 #define nm_state nm_com.nmcom_state
97 #define nm_mountp nm_com.nmcom_mountp
98 #define nm_timeo nm_com.nmcom_timeo
99 #define nm_retry nm_com.nmcom_retry
100 #define nm_hostname nm_com.nmcom_hostname
101 #define nm_getinfo nm_com.nmcom_getinfo
102 #define nm_vinvalbuf nm_com.nmcom_vinvalbuf
103
104 #define NFSMNT_DIRPATH(m) (&((m)->nm_name[(m)->nm_krbnamelen + 1]))
105 #define NFSMNT_SRVKRBNAME(m) \
106 (&((m)->nm_name[(m)->nm_krbnamelen + (m)->nm_dirpathlen + 2]))
107
108 #if defined(_KERNEL)
109 /*
110 * Convert mount ptr to nfsmount ptr.
111 */
112 #define VFSTONFS(mp) ((struct nfsmount *)((mp)->mnt_data))
113
114 /*
115 * Get a pointer to the MDS session, which is always the first element
116 * in the list.
117 */
118 #define NFSMNT_MDSSESSION(m) (&(TAILQ_FIRST(&((m)->nm_sess))->nfsclds_sess))
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 /* _KERNEL */
129
130 #endif /* _NFSCLIENT_NFSMOUNT_H_ */
131