1 /* $OpenBSD: nfsmount.h,v 1.12 2003/06/02 23:28:20 millert Exp $ */ 2 /* $NetBSD: nfsmount.h,v 1.10 1996/02/18 11:54:03 fvdl Exp $ */ 3 4 /* 5 * Copyright (c) 1989, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Rick Macklem at The University of Guelph. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)nfsmount.h 8.3 (Berkeley) 3/30/95 36 */ 37 38 39 #ifndef _NFS_NFSMOUNT_H_ 40 #define _NFS_NFSMOUNT_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 int nm_flag; /* Flags for soft/hard... */ 49 struct mount *nm_mountp; /* Vfs structure for this filesystem */ 50 int nm_numgrps; /* Max. size of groupslist */ 51 u_char nm_fh[NFSX_V3FHMAX]; /* File handle of root dir */ 52 int nm_fhsize; /* Size of root file handle */ 53 struct socket *nm_so; /* Rpc socket */ 54 int nm_sotype; /* Type of socket */ 55 int nm_soproto; /* and protocol */ 56 int nm_soflags; /* pr_flags for socket protocol */ 57 struct mbuf *nm_nam; /* Addr of server */ 58 int nm_timeo; /* Init timer for NFSMNT_DUMBTIMR */ 59 int nm_retry; /* Max retries */ 60 int nm_srtt[4]; /* Timers for rpcs */ 61 int nm_sdrtt[4]; 62 int nm_sent; /* Request send count */ 63 int nm_cwnd; /* Request send window */ 64 int nm_timeouts; /* Request timeouts */ 65 int nm_deadthresh; /* Threshold of timeouts-->dead server*/ 66 int nm_rsize; /* Max size of read rpc */ 67 int nm_wsize; /* Max size of write rpc */ 68 int nm_readdirsize; /* Size of a readdir rpc */ 69 int nm_readahead; /* Num. of blocks to readahead */ 70 CIRCLEQ_HEAD(, nfsnode) nm_timerhead; /* Head of lease timer queue */ 71 struct vnode *nm_inprog; /* Vnode in prog by nqnfs_clientd() */ 72 uid_t nm_authuid; /* Uid for authenticator */ 73 int nm_authtype; /* Authenticator type */ 74 int nm_authlen; /* and length */ 75 char *nm_authstr; /* Authenticator string */ 76 char *nm_verfstr; /* and the verifier */ 77 int nm_verflen; 78 u_char nm_verf[NFSX_V3WRITEVERF]; /* V3 write verifier */ 79 NFSKERBKEY_T nm_key; /* and the session key */ 80 int nm_numuids; /* Number of nfsuid mappings */ 81 TAILQ_HEAD(, nfsuid) nm_uidlruhead; /* Lists of nfsuid mappings */ 82 LIST_HEAD(, nfsuid) nm_uidhashtbl[NFS_MUIDHASHSIZ]; 83 u_short nm_acregmin; /* Attr cache file recently modified */ 84 u_short nm_acregmax; /* ac file not recently modified */ 85 u_short nm_acdirmin; /* ac for dir recently modified */ 86 u_short nm_acdirmax; /* ac for dir not recently modified */ 87 }; 88 89 #ifdef _KERNEL 90 /* 91 * Convert mount ptr to nfsmount ptr. 92 */ 93 #define VFSTONFS(mp) ((struct nfsmount *)((mp)->mnt_data)) 94 #endif /* _KERNEL */ 95 96 /* 97 * Prototypes for NFS mount operations 98 */ 99 int nfs_mount(struct mount *mp, const char *path, void *data, 100 struct nameidata *ndp, struct proc *p); 101 int mountnfs(struct nfs_args *argp, struct mount *mp, 102 struct mbuf *nam, char *pth, char *hst); 103 int nfs_mountroot(void); 104 void nfs_decode_args(struct nfsmount *, struct nfs_args *, struct nfs_args *); 105 int nfs_start(struct mount *mp, int flags, struct proc *p); 106 int nfs_unmount(struct mount *mp, int mntflags, struct proc *p); 107 int nfs_root(struct mount *mp, struct vnode **vpp); 108 int nfs_quotactl(struct mount *mp, int cmds, uid_t uid, caddr_t arg, 109 struct proc *p); 110 int nfs_statfs(struct mount *mp, struct statfs *sbp, struct proc *p); 111 int nfs_sync(struct mount *mp, int waitfor, struct ucred *cred, 112 struct proc *p); 113 int nfs_vget(struct mount *, ino_t, struct vnode **); 114 int nfs_fhtovp(struct mount *mp, struct fid *fhp, struct vnode **vpp); 115 int nfs_vptofh(struct vnode *vp, struct fid *fhp); 116 int nfs_fsinfo(struct nfsmount *, struct vnode *, struct ucred *, 117 struct proc *); 118 void nfs_init(void); 119 120 #endif 121