bsd/nfs/nfsmount.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  23 /*
  24  * Copyright (c) 1989, 1993
  25  *      The Regents of the University of California.  All rights reserved.
  26  *
  27  * This code is derived from software contributed to Berkeley by
  28  * Rick Macklem at The University of Guelph.
  29  *
  30  * Redistribution and use in source and binary forms, with or without
  31  * modification, are permitted provided that the following conditions
  32  * are met:
  33  * 1. Redistributions of source code must retain the above copyright
  34  *    notice, this list of conditions and the following disclaimer.
  35  * 2. Redistributions in binary form must reproduce the above copyright
  36  *    notice, this list of conditions and the following disclaimer in the
  37  *    documentation and/or other materials provided with the distribution.
  38  * 3. All advertising materials mentioning features or use of this software
  39  *    must display the following acknowledgement:
  40  *      This product includes software developed by the University of
  41  *      California, Berkeley and its contributors.
  42  * 4. Neither the name of the University nor the names of its contributors
  43  *    may be used to endorse or promote products derived from this software
  44  *    without specific prior written permission.
  45  *
  46  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  47  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  48  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  49  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  50  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  51  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  52  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  53  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  54  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  55  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  56  * SUCH DAMAGE.
  57  *
  58  *      @(#)nfsmount.h  8.3 (Berkeley) 3/30/95
  59  * FreeBSD-Id: nfsmount.h,v 1.13 1997/08/16 19:16:05 wollman Exp $
  60  */
  61
  62
  63 #ifndef _NFS_NFSMOUNT_H_
  64 #define _NFS_NFSMOUNT_H_
  65
  66 /*
  67  * Mount structure.
  68  * One allocated on every NFS mount.
  69  * Holds NFS specific information for mount.
  70  */
  71 struct  nfsmount {
  72         int     nm_flag;                /* Flags for soft/hard... */
  73         struct  mount *nm_mountp;       /* Vfs structure for this filesystem */
  74         int     nm_numgrps;             /* Max. size of groupslist */
  75         struct vnode *nm_dvp;           /* root directory vnode pointer */
  76         struct  socket *nm_so;          /* Rpc socket */
  77         int     nm_sotype;              /* Type of socket */
  78         int     nm_soproto;             /* and protocol */
  79         int     nm_soflags;             /* pr_flags for socket protocol */
  80         struct  mbuf *nm_nam;           /* Addr of server */
  81         int     nm_timeo;               /* Init timer for NFSMNT_DUMBTIMR */
  82         int     nm_retry;               /* Max retries */
  83         int     nm_srtt[4];             /* Timers for rpcs */
  84         int     nm_sdrtt[4];
  85         int     nm_sent;                /* Request send count */
  86         int     nm_cwnd;                /* Request send window */
  87         int     nm_timeouts;            /* Request timeouts */
  88         int     nm_deadthresh;          /* Threshold of timeouts-->dead server*/
  89         int     nm_rsize;               /* Max size of read rpc */
  90         int     nm_wsize;               /* Max size of write rpc */
  91         int     nm_readdirsize;         /* Size of a readdir rpc */
  92         int     nm_readahead;           /* Num. of blocks to readahead */
  93         int     nm_leaseterm;           /* Term (sec) for NQNFS lease */
  94         CIRCLEQ_HEAD(, nfsnode) nm_timerhead; /* Head of lease timer queue */
  95         struct vnode *nm_inprog;        /* Vnode in prog by nqnfs_clientd() */
  96         uid_t   nm_authuid;             /* Uid for authenticator */
  97         int     nm_authtype;            /* Authenticator type */
  98         int     nm_authlen;             /* and length */
  99         char    *nm_authstr;            /* Authenticator string */
 100         char    *nm_verfstr;            /* and the verifier */
 101         int     nm_verflen;
 102         u_char  nm_verf[NFSX_V3WRITEVERF]; /* V3 write verifier */
 103         NFSKERBKEY_T nm_key;            /* and the session key */
 104         int     nm_numuids;             /* Number of nfsuid mappings */
 105         TAILQ_HEAD(, nfsuid) nm_uidlruhead; /* Lists of nfsuid mappings */
 106         LIST_HEAD(, nfsuid) nm_uidhashtbl[NFS_MUIDHASHSIZ];
 107         TAILQ_HEAD(, buf) nm_bufq;      /* async io buffer queue */
 108         short   nm_bufqlen;             /* number of buffers in queue */
 109         short   nm_bufqwant;            /* process wants to add to the queue */
 110         int     nm_bufqiods;            /* number of iods processing queue */
 111 };
 112
 113 #if defined(KERNEL)
 114 /*
 115  * Convert mount ptr to nfsmount ptr.
 116  */
 117 #define VFSTONFS(mp)    ((struct nfsmount *)((mp)->mnt_data))
 118
 119 #endif /* KERNEL */
 120
 121 #endif