nfsmount.h revision 1.13
1 /* $NetBSD: nfsmount.h,v 1.13 1996/12/22 10:10:36 cgd Exp $ */ 2 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. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)nfsmount.h 8.3 (Berkeley) 3/30/95 39 */ 40 41 42 #ifndef _NFS_NFSMOUNT_H_ 43 #define _NFS_NFSMOUNT_H_ 44 45 /* 46 * Mount structure. 47 * One allocated on every NFS mount. 48 * Holds NFS specific information for mount. 49 */ 50 struct nfsmount { 51 int nm_flag; /* Flags for soft/hard... */ 52 struct mount *nm_mountp; /* Vfs structure for this filesystem */ 53 int nm_numgrps; /* Max. size of groupslist */ 54 u_char nm_fh[NFSX_V3FHMAX]; /* File handle of root dir */ 55 int nm_fhsize; /* Size of root file handle */ 56 struct socket *nm_so; /* Rpc socket */ 57 int nm_sotype; /* Type of socket */ 58 int nm_soproto; /* and protocol */ 59 int nm_soflags; /* pr_flags for socket protocol */ 60 struct mbuf *nm_nam; /* Addr of server */ 61 int nm_timeo; /* Init timer for NFSMNT_DUMBTIMR */ 62 int nm_retry; /* Max retries */ 63 int nm_srtt[4]; /* Timers for rpcs */ 64 int nm_sdrtt[4]; 65 int nm_sent; /* Request send count */ 66 int nm_cwnd; /* Request send window */ 67 int nm_timeouts; /* Request timeouts */ 68 int nm_deadthresh; /* Threshold of timeouts-->dead server*/ 69 int nm_rsize; /* Max size of read rpc */ 70 int nm_wsize; /* Max size of write rpc */ 71 int nm_readdirsize; /* Size of a readdir rpc */ 72 int nm_readahead; /* Num. of blocks to readahead */ 73 int nm_leaseterm; /* Term (sec) for NQNFS lease */ 74 CIRCLEQ_HEAD(, nfsnode) nm_timerhead; /* Head of lease timer queue */ 75 struct vnode *nm_inprog; /* Vnode in prog by nqnfs_clientd() */ 76 uid_t nm_authuid; /* Uid for authenticator */ 77 int nm_authtype; /* Authenticator type */ 78 int nm_authlen; /* and length */ 79 char *nm_authstr; /* Authenticator string */ 80 char *nm_verfstr; /* and the verifier */ 81 int nm_verflen; 82 u_char nm_verf[NFSX_V3WRITEVERF]; /* V3 write verifier */ 83 NFSKERBKEY_T nm_key; /* and the session key */ 84 int nm_numuids; /* Number of nfsuid mappings */ 85 TAILQ_HEAD(, nfsuid) nm_uidlruhead; /* Lists of nfsuid mappings */ 86 LIST_HEAD(, nfsuid) nm_uidhashtbl[NFS_MUIDHASHSIZ]; 87 TAILQ_HEAD(, buf) nm_bufq; /* async io buffer queue */ 88 short nm_bufqlen; /* number of buffers in queue */ 89 short nm_bufqwant; /* process wants to add to the queue */ 90 int nm_bufqiods; /* number of iods processing queue */ 91 }; 92 93 #ifdef _KERNEL 94 /* 95 * Convert mount ptr to nfsmount ptr. 96 */ 97 #define VFSTONFS(mp) ((struct nfsmount *)((mp)->mnt_data)) 98 #endif /* _KERNEL */ 99 100 /* 101 * Prototypes for NFS mount operations 102 */ 103 int nfs_mount __P((struct mount *mp, const char *path, void *data, 104 struct nameidata *ndp, struct proc *p)); 105 int mountnfs __P((struct nfs_args *argp, struct mount *mp, 106 struct mbuf *nam, const char *pth, const char *hst, 107 struct vnode **vpp)); 108 int nfs_mountroot __P((void)); 109 void nfs_decode_args __P((struct nfsmount *, struct nfs_args *)); 110 int nfs_start __P((struct mount *mp, int flags, struct proc *p)); 111 int nfs_unmount __P((struct mount *mp, int mntflags, struct proc *p)); 112 int nfs_root __P((struct mount *mp, struct vnode **vpp)); 113 int nfs_quotactl __P((struct mount *mp, int cmds, uid_t uid, caddr_t arg, 114 struct proc *p)); 115 int nfs_statfs __P((struct mount *mp, struct statfs *sbp, struct proc *p)); 116 int nfs_sync __P((struct mount *mp, int waitfor, struct ucred *cred, 117 struct proc *p)); 118 int nfs_vget __P((struct mount *, ino_t, struct vnode **)); 119 int nfs_fhtovp __P((struct mount *mp, struct fid *fhp, struct mbuf *nam, 120 struct vnode **vpp, int *exflagsp, struct ucred **credanonp)); 121 int nfs_vptofh __P((struct vnode *vp, struct fid *fhp)); 122 int nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *, 123 struct proc *)); 124 void nfs_vfs_init __P((void)); 125 126 /* 127 * Prototypes for miscellaneous exported NFS functions. 128 */ 129 void nfs_init __P((void)); 130 131 #endif 132
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