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