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 * $FreeBSD$ 33 */ 34 35 #ifndef _NFSCLIENT_NFSMOUNT_H_ 36 #define _NFSCLIENT_NFSMOUNT_H_ 37 38 /* 39 * Mount structure. 40 * One allocated on every NFS mount. 41 * Holds NFS specific information for mount. 42 */ 43 struct nfsmount { 44 struct mtx nm_mtx; 45 int nm_flag; /* Flags for soft/hard... */ 46 int nm_state; /* Internal state flags */ 47 struct mount *nm_mountp; /* Vfs structure for this filesystem */ 48 int nm_numgrps; /* Max. size of groupslist */ 49 u_char nm_fh[NFSX_FHMAX]; /* File handle of root dir */ 50 int nm_fhsize; /* Size of root file handle */ 51 struct nfssockreq nm_sockreq; /* Socket Info */ 52 int nm_timeo; /* Init timer for NFSMNT_DUMBTIMR */ 53 int nm_retry; /* Max retries */ 54 int nm_timeouts; /* Request timeouts */ 55 int nm_rsize; /* Max size of read rpc */ 56 int nm_wsize; /* Max size of write rpc */ 57 int nm_readdirsize; /* Size of a readdir rpc */ 58 int nm_readahead; /* Num. of blocks to readahead */ 59 int nm_wcommitsize; /* Max size of commit for write */ 60 int nm_acdirmin; /* Directory attr cache min lifetime */ 61 int nm_acdirmax; /* Directory attr cache max lifetime */ 62 int nm_acregmin; /* Reg file attr cache min lifetime */ 63 int nm_acregmax; /* Reg file attr cache max lifetime */ 64 u_char nm_verf[NFSX_VERF]; /* write verifier */ 65 TAILQ_HEAD(, buf) nm_bufq; /* async io buffer queue */ 66 short nm_bufqlen; /* number of buffers in queue */ 67 short nm_bufqwant; /* process wants to add to the queue */ 68 int nm_bufqiods; /* number of iods processing queue */ 69 u_int64_t nm_maxfilesize; /* maximum file size */ 70 int nm_tprintf_initial_delay; /* initial delay */ 71 int nm_tprintf_delay; /* interval for messages */ 72 int nm_negnametimeo; /* timeout for -ve entries (sec) */ 73 74 /* Newnfs additions */ 75 struct nfsclclient *nm_clp; 76 uid_t nm_uid; /* Uid for SetClientID etc. */ 77 u_int64_t nm_clval; /* identifies which clientid */ 78 u_int64_t nm_fsid[2]; /* NFSv4 fsid */ 79 u_int16_t nm_krbnamelen; /* Krb5 host principal, if any */ 80 u_int16_t nm_dirpathlen; /* and mount dirpath, for V4 */ 81 u_int16_t nm_srvkrbnamelen; /* and the server's target name */ 82 u_char nm_name[1]; /* malloc'd actual len of krbname + dirpath */ 83 }; 84 85 #define nm_nam nm_sockreq.nr_nam 86 #define nm_sotype nm_sockreq.nr_sotype 87 #define nm_so nm_sockreq.nr_so 88 #define nm_soflags nm_sockreq.nr_soflags 89 #define nm_soproto nm_sockreq.nr_soproto 90 #define nm_client nm_sockreq.nr_client 91 #define nm_krbname nm_name 92 93 #define NFSMNT_DIRPATH(m) (&((m)->nm_name[(m)->nm_krbnamelen + 1])) 94 #define NFSMNT_SRVKRBNAME(m) \ 95 (&((m)->nm_name[(m)->nm_krbnamelen + (m)->nm_dirpathlen + 2])) 96 97 #if defined(_KERNEL) 98 /* 99 * Convert mount ptr to nfsmount ptr. 100 */ 101 #define VFSTONFS(mp) ((struct nfsmount *)((mp)->mnt_data)) 102 103 #ifndef NFS_DEFAULT_NEGNAMETIMEO 104 #define NFS_DEFAULT_NEGNAMETIMEO 60 105 #endif 106 107 #endif /* _KERNEL */ 108 109 #endif /* _NFSCLIENT_NFSMOUNT_H_ */ 110