1 /* $NetBSD: nfsmount.h,v 1.3 2016/12/13 22:17:33 pgoyette 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 1.3 2016/12/13 22:17:33 pgoyette Exp $ 35 */ 36 37 #ifndef _NFSCLIENT_NFSMOUNT_H_ 38 #define _NFSCLIENT_NFSMOUNT_H_ 39 40 #include <fs/nfs/common/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