bsd/nfs/nfsmount.h

   1 /*
   2  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  26 /*
  27  * Copyright (c) 1989, 1993
  28  *      The Regents of the University of California.  All rights reserved.
  29  *
  30  * This code is derived from software contributed to Berkeley by
  31  * Rick Macklem at The University of Guelph.
  32  *
  33  * Redistribution and use in source and binary forms, with or without
  34  * modification, are permitted provided that the following conditions
  35  * are met:
  36  * 1. Redistributions of source code must retain the above copyright
  37  *    notice, this list of conditions and the following disclaimer.
  38  * 2. Redistributions in binary form must reproduce the above copyright
  39  *    notice, this list of conditions and the following disclaimer in the
  40  *    documentation and/or other materials provided with the distribution.
  41  * 3. All advertising materials mentioning features or use of this software
  42  *    must display the following acknowledgement:
  43  *      This product includes software developed by the University of
  44  *      California, Berkeley and its contributors.
  45  * 4. Neither the name of the University nor the names of its contributors
  46  *    may be used to endorse or promote products derived from this software
  47  *    without specific prior written permission.
  48  *
  49  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  50  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  51  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  52  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  53  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  54  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  55  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  56  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  57  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  58  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  59  * SUCH DAMAGE.
  60  *
  61  *      @(#)nfsmount.h  8.3 (Berkeley) 3/30/95
  62  * FreeBSD-Id: nfsmount.h,v 1.13 1997/08/16 19:16:05 wollman Exp $
  63  */
  64
  65
  66 #ifndef _NFS_NFSMOUNT_H_
  67 #define _NFS_NFSMOUNT_H_
  68
  69 #include <sys/appleapiopts.h>
  70
  71 #ifdef __APPLE_API_PRIVATE
  72 /*
  73  * Mount structure.
  74  * One allocated on every NFS mount.
  75  * Holds NFS specific information for mount.
  76  */
  77 struct  nfsmount {
  78         int     nm_flag;                /* Flags for soft/hard... */
  79         struct  mount *nm_mountp;       /* Vfs structure for this filesystem */
  80         int     nm_numgrps;             /* Max. size of groupslist */
  81         struct vnode *nm_dvp;           /* root directory vnode pointer */
  82         struct  socket *nm_so;          /* Rpc socket */
  83         int     nm_sotype;              /* Type of socket */
  84         int     nm_soproto;             /* and protocol */
  85         int     nm_soflags;             /* pr_flags for socket protocol */
  86         struct  mbuf *nm_nam;           /* Addr of server */
  87         int     nm_timeo;               /* Init timer for NFSMNT_DUMBTIMR */
  88         int     nm_retry;               /* Max retries */
  89         int     nm_srtt[4];             /* Timers for rpcs */
  90         int     nm_sdrtt[4];
  91         int     nm_sent;                /* Request send count */
  92         int     nm_cwnd;                /* Request send window */
  93         int     nm_timeouts;            /* Request timeouts */
  94         int     nm_deadthresh;          /* Threshold of timeouts-->dead server*/
  95         int     nm_rsize;               /* Max size of read rpc */
  96         int     nm_wsize;               /* Max size of write rpc */
  97         int     nm_readdirsize;         /* Size of a readdir rpc */
  98         int     nm_readahead;           /* Num. of blocks to readahead */
  99         int     nm_leaseterm;           /* Term (sec) for NQNFS lease */
 100         CIRCLEQ_HEAD(, nfsnode) nm_timerhead; /* Head of lease timer queue */
 101         struct vnode *nm_inprog;        /* Vnode in prog by nqnfs_clientd() */
 102         uid_t   nm_authuid;             /* Uid for authenticator */
 103         int     nm_authtype;            /* Authenticator type */
 104         int     nm_authlen;             /* and length */
 105         char    *nm_authstr;            /* Authenticator string */
 106         char    *nm_verfstr;            /* and the verifier */
 107         int     nm_verflen;
 108         u_char  nm_verf[NFSX_V3WRITEVERF]; /* V3 write verifier */
 109         NFSKERBKEY_T nm_key;            /* and the session key */
 110         int     nm_numuids;             /* Number of nfsuid mappings */
 111         TAILQ_HEAD(, nfsuid) nm_uidlruhead; /* Lists of nfsuid mappings */
 112         LIST_HEAD(, nfsuid) nm_uidhashtbl[NFS_MUIDHASHSIZ];
 113         TAILQ_HEAD(, buf) nm_bufq;      /* async io buffer queue */
 114         short   nm_bufqlen;             /* number of buffers in queue */
 115         short   nm_bufqwant;            /* process wants to add to the queue */
 116         int     nm_bufqiods;            /* number of iods processing queue */
 117 };
 118
 119 #if defined(KERNEL)
 120 /*
 121  * Convert mount ptr to nfsmount ptr.
 122  */
 123 #define VFSTONFS(mp)    ((struct nfsmount *)((mp)->mnt_data))
 124
 125 #endif /* KERNEL */
 126
 127 #endif /* __APPLE_API_PRIVATE */
 128 #endif /* _NFS_NFSMOUNT_H_ */