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 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)nfsmount.h 8.1 (Berkeley) 6/10/93 37 * $Id: nfsmount.h,v 1.5 1995/06/27 11:06:56 dfr Exp $ 38 */ 39 40 #ifndef _NFS_NFSMOUNT_H_ 41 #define _NFS_NFSMOUNT_H_ 42 43 /* 44 * Mount structure. 45 * One allocated on every NFS mount. 46 * Holds NFS specific information for mount. 47 */ 48 struct nfsmount { 49 int nm_flag; /* Flags for soft/hard... */ 50 struct mount *nm_mountp; /* Vfs structure for this filesystem */ 51 int nm_numgrps; /* Max. size of groupslist */ 52 u_char nm_fh[NFSX_V3FHMAX]; /* File handle of root dir */ 53 int nm_fhsize; /* Size of root file handle */ 54 struct socket *nm_so; /* Rpc socket */ 55 int nm_sotype; /* Type of socket */ 56 int nm_soproto; /* and protocol */ 57 int nm_soflags; /* pr_flags for socket protocol */ 58 struct mbuf *nm_nam; /* Addr of server */ 59 int nm_timeo; /* Init timer for NFSMNT_DUMBTIMR */ 60 int nm_retry; /* Max retries */ 61 int nm_srtt[4]; /* Timers for rpcs */ 62 int nm_sdrtt[4]; 63 int nm_sent; /* Request send count */ 64 int nm_cwnd; /* Request send window */ 65 int nm_timeouts; /* Request timeouts */ 66 int nm_deadthresh; /* Threshold of timeouts-->dead server*/ 67 int nm_rsize; /* Max size of read rpc */ 68 int nm_wsize; /* Max size of write rpc */ 69 int nm_readdirsize; /* Size of a readdir rpc */ 70 int nm_readahead; /* Num. of blocks to readahead */ 71 int nm_leaseterm; /* Term (sec) for NQNFS lease */ 72 CIRCLEQ_HEAD(, nfsnode) nm_timerhead; /* Head of lease timer queue */ 73 struct vnode *nm_inprog; /* Vnode in prog by nqnfs_clientd() */ 74 uid_t nm_authuid; /* Uid for authenticator */ 75 int nm_authtype; /* Authenticator type */ 76 int nm_authlen; /* and length */ 77 char *nm_authstr; /* Authenticator string */ 78 char *nm_verfstr; /* and the verifier */ 79 int nm_verflen; 80 u_char nm_verf[NFSX_V3WRITEVERF]; /* V3 write verifier */ 81 NFSKERBKEY_T nm_key; /* and the session key */ 82 int nm_numuids; /* Number of nfsuid mappings */ 83 TAILQ_HEAD(, nfsuid) nm_uidlruhead; /* Lists of nfsuid mappings */ 84 LIST_HEAD(, nfsuid) nm_uidhashtbl[NFS_MUIDHASHSIZ]; 85 }; 86 87 #if defined(KERNEL) || defined(_KERNEL) 88 /* 89 * Convert mount ptr to nfsmount ptr. 90 */ 91 #define VFSTONFS(mp) ((struct nfsmount *)((mp)->mnt_data)) 92 #endif /* KERNEL */ 93 94 /* 95 * Prototypes for NFS mount operations 96 */ 97 int nfs_mount __P(( 98 struct mount *mp, 99 char *path, 100 caddr_t data, 101 struct nameidata *ndp, 102 struct proc *p)); 103 int nfs_start __P(( 104 struct mount *mp, 105 int flags, 106 struct proc *p)); 107 int nfs_unmount __P(( 108 struct mount *mp, 109 int mntflags, 110 struct proc *p)); 111 int nfs_root __P(( 112 struct mount *mp, 113 struct vnode **vpp)); 114 int nfs_quotactl __P(( 115 struct mount *mp, 116 int cmds, 117 uid_t uid, 118 caddr_t arg, 119 struct proc *p)); 120 int nfs_statfs __P(( 121 struct mount *mp, 122 struct statfs *sbp, 123 struct proc *p)); 124 int nfs_sync __P(( 125 struct mount *mp, 126 int waitfor, 127 struct ucred *cred, 128 struct proc *p)); 129 int nfs_fhtovp __P(( 130 struct mount *mp, 131 struct fid *fhp, 132 struct mbuf *nam, 133 struct vnode **vpp, 134 int *exflagsp, 135 struct ucred **credanonp)); 136 int nfs_vptofh __P(( 137 struct vnode *vp, 138 struct fid *fhp)); 139 int nfs_init __P((void)); 140 141 #endif 142