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 35 #ifndef _NFSCLIENT_NFSMOUNT_H_ 36 #define _NFSCLIENT_NFSMOUNT_H_ 37 38 #include <nfs/nfs_mountcommon.h> 39 40 /* Maximum value for nm_nconnect. */ 41 #define NFS_MAXNCONN 16 42 43 /* 44 * Mount structure. 45 * One allocated on every NFS mount. 46 * Holds NFS specific information for mount. 47 */ 48 struct nfsmount { 49 struct nfsmount_common nm_com; /* Common fields for nlm */ 50 uint32_t nm_privflag; /* Private flags */ 51 uint32_t nm_newflag; /* New mount flags */ 52 int nm_numgrps; /* Max. size of groupslist */ 53 u_char nm_fh[NFSX_FHMAX]; /* File handle of root dir */ 54 int nm_fhsize; /* Size of root file handle */ 55 struct nfssockreq nm_sockreq; /* Socket Info */ 56 int nm_timeouts; /* Request timeouts */ 57 int nm_rsize; /* Max size of read rpc */ 58 int nm_wsize; /* Max size of write rpc */ 59 int nm_readdirsize; /* Size of a readdir rpc */ 60 int nm_readahead; /* Num. of blocks to readahead */ 61 int nm_wcommitsize; /* Max size of commit for write */ 62 int nm_acdirmin; /* Directory attr cache min lifetime */ 63 int nm_acdirmax; /* Directory attr cache max lifetime */ 64 int nm_acregmin; /* Reg file attr cache min lifetime */ 65 int nm_acregmax; /* Reg file attr cache max lifetime */ 66 u_char nm_verf[NFSX_VERF]; /* write verifier */ 67 TAILQ_HEAD(, buf) nm_bufq; /* async io buffer queue */ 68 short nm_bufqlen; /* number of buffers in queue */ 69 short nm_bufqwant; /* process wants to add to the queue */ 70 int nm_bufqiods; /* number of iods processing queue */ 71 u_int64_t nm_maxfilesize; /* maximum file size */ 72 int nm_tprintf_initial_delay; /* initial delay */ 73 int nm_tprintf_delay; /* interval for messages */ 74 int nm_nametimeo; /* timeout for +ve entries (sec) */ 75 int nm_negnametimeo; /* timeout for -ve entries (sec) */ 76 77 /* Newnfs additions */ 78 TAILQ_HEAD(, nfsclds) nm_sess; /* Session(s) for NFSv4.1. */ 79 struct nfsclclient *nm_clp; 80 char *nm_tlscertname; /* TLS certificate file name */ 81 uid_t nm_uid; /* Uid for SetClientID etc. */ 82 u_int64_t nm_clval; /* identifies which clientid */ 83 u_int64_t nm_fsid[2]; /* NFSv4 fsid */ 84 int nm_minorvers; /* Minor version # for NFSv4 */ 85 u_int nm_aconnect; /* additional TCP connections */ 86 u_int nm_nextaconn; /* Next nm_aconn[] to use */ 87 /* unclipped, wraps to 0 */ 88 struct __rpc_client *nm_aconn[NFS_MAXNCONN - 1]; /* Additional nconn */ 89 /* Locked via nm_sockreq.nr_mtx */ 90 u_int16_t nm_krbnamelen; /* Krb5 host principal, if any */ 91 u_int16_t nm_dirpathlen; /* and mount dirpath, for V4 */ 92 u_int16_t nm_srvkrbnamelen; /* and the server's target name */ 93 u_char nm_name[1]; /* malloc'd actual len of krbname + dirpath */ 94 }; 95 96 #define nm_nam nm_sockreq.nr_nam 97 #define nm_sotype nm_sockreq.nr_sotype 98 #define nm_so nm_sockreq.nr_so 99 #define nm_soflags nm_sockreq.nr_soflags 100 #define nm_soproto nm_sockreq.nr_soproto 101 #define nm_client nm_sockreq.nr_client 102 #define nm_krbname nm_name 103 #define nm_mtx nm_com.nmcom_mtx 104 #define nm_flag nm_com.nmcom_flag 105 #define nm_state nm_com.nmcom_state 106 #define nm_mountp nm_com.nmcom_mountp 107 #define nm_timeo nm_com.nmcom_timeo 108 #define nm_retry nm_com.nmcom_retry 109 #define nm_hostname nm_com.nmcom_hostname 110 #define nm_getinfo nm_com.nmcom_getinfo 111 #define nm_vinvalbuf nm_com.nmcom_vinvalbuf 112 113 /* Private flags. */ 114 #define NFSMNTP_FORCEDISM 0x00000001 115 #define NFSMNTP_CANCELRPCS 0x00000002 116 #define NFSMNTP_IOADVISETHRUMDS 0x00000004 117 #define NFSMNTP_NOCOPY 0x00000008 118 #define NFSMNTP_NOCONSECUTIVE 0x00000010 119 #define NFSMNTP_SEEK 0x00000020 120 #define NFSMNTP_SEEKTESTED 0x00000040 121 #define NFSMNTP_NOXATTR 0x00000080 122 #define NFSMNTP_NOADVISE 0x00000100 123 #define NFSMNTP_NOALLOCATE 0x00000200 124 #define NFSMNTP_DELEGISSUED 0x00000400 125 #define NFSMNTP_NODEALLOCATE 0x00000800 126 #define NFSMNTP_FAKEROOTFH 0x00001000 127 128 /* New mount flags only used by the kernel via nmount(2). */ 129 #define NFSMNT_TLS 0x00000001 130 #define NFSMNT_SYSKRB5 0x00000002 131 132 #define NFSMNT_DIRPATH(m) (&((m)->nm_name[(m)->nm_krbnamelen + 1])) 133 #define NFSMNT_SRVKRBNAME(m) \ 134 (&((m)->nm_name[(m)->nm_krbnamelen + (m)->nm_dirpathlen + 2])) 135 136 #if defined(_KERNEL) 137 /* 138 * Convert mount ptr to nfsmount ptr. 139 */ 140 #define VFSTONFS(mp) ((struct nfsmount *)((mp)->mnt_data)) 141 142 #ifndef NFS_DEFAULT_NAMETIMEO 143 #define NFS_DEFAULT_NAMETIMEO 60 144 #endif 145 146 #ifndef NFS_DEFAULT_NEGNAMETIMEO 147 #define NFS_DEFAULT_NEGNAMETIMEO 60 148 #endif 149 150 #endif /* _KERNEL */ 151 152 #endif /* _NFSCLIENT_NFSMOUNT_H_ */ 153