The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/nfsclient/nfsargs.h

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    1 /*-
    2  * Copyright (c) 1989, 1993, 1995
    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  * 4. Neither the name of the University nor the names of its contributors
   17  *    may be used to endorse or promote products derived from this software
   18  *    without specific prior written permission.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   30  * SUCH DAMAGE.
   31  *
   32  *      @(#)nfs.h       8.4 (Berkeley) 5/1/95
   33  * $FreeBSD: src/sys/nfsclient/nfsargs.h,v 1.66.2.1 2005/01/31 23:26:46 imp Exp $
   34  */
   35 
   36 #ifndef _NFSCLIENT_NFSARGS_H_
   37 #define _NFSCLIENT_NFSARGS_H_
   38 
   39 /*
   40  * Arguments to mount NFS
   41  */
   42 #define NFS_ARGSVERSION 3               /* change when nfs_args changes */
   43 struct nfs_args {
   44         int             version;        /* args structure version number */
   45         struct sockaddr *addr;          /* file server address */
   46         int             addrlen;        /* length of address */
   47         int             sotype;         /* Socket type */
   48         int             proto;          /* and Protocol */
   49         u_char          *fh;            /* File handle to be mounted */
   50         int             fhsize;         /* Size, in bytes, of fh */
   51         int             flags;          /* flags */
   52         int             wsize;          /* write size in bytes */
   53         int             rsize;          /* read size in bytes */
   54         int             readdirsize;    /* readdir size in bytes */
   55         int             timeo;          /* initial timeout in .1 secs */
   56         int             retrans;        /* times to retry send */
   57         int             maxgrouplist;   /* Max. size of group list */
   58         int             readahead;      /* # of blocks to readahead */
   59         int             __pad1;         /* was "leaseterm" */
   60         int             deadthresh;     /* Retrans threshold */
   61         char            *hostname;      /* server's name */
   62         int             acregmin;       /* cache attrs for reg files min time */
   63         int             acregmax;       /* cache attrs for reg files max time */
   64         int             acdirmin;       /* cache attrs for dirs min time */
   65         int             acdirmax;       /* cache attrs for dirs max time */
   66 };
   67 
   68 /*
   69  * NFS mount option flags
   70  */
   71 #define NFSMNT_SOFT             0x00000001  /* soft mount (hard is default) */
   72 #define NFSMNT_WSIZE            0x00000002  /* set write size */
   73 #define NFSMNT_RSIZE            0x00000004  /* set read size */
   74 #define NFSMNT_TIMEO            0x00000008  /* set initial timeout */
   75 #define NFSMNT_RETRANS          0x00000010  /* set number of request retries */
   76 #define NFSMNT_MAXGRPS          0x00000020  /* set maximum grouplist size */
   77 #define NFSMNT_INT              0x00000040  /* allow interrupts on hard mount */
   78 #define NFSMNT_NOCONN           0x00000080  /* Don't Connect the socket */
   79 /* 0x100 free, was NFSMNT_NQNFS */
   80 #define NFSMNT_NFSV3            0x00000200  /* Use NFS Version 3 protocol */
   81 /* 0x400 free, was NFSMNT_KERB */
   82 #define NFSMNT_DUMBTIMR         0x00000800  /* Don't estimate rtt dynamically */
   83 /* 0x1000 free, was NFSMNT_LEASETERM */
   84 #define NFSMNT_READAHEAD        0x00002000  /* set read ahead */
   85 #define NFSMNT_DEADTHRESH       0x00004000  /* set dead server retry thresh */
   86 #define NFSMNT_RESVPORT         0x00008000  /* Allocate a reserved port */
   87 #define NFSMNT_RDIRPLUS         0x00010000  /* Use Readdirplus for V3 */
   88 #define NFSMNT_READDIRSIZE      0x00020000  /* Set readdir size */
   89 #define NFSMNT_ACREGMIN         0x00040000
   90 #define NFSMNT_ACREGMAX         0x00080000
   91 #define NFSMNT_ACDIRMIN         0x00100000
   92 #define NFSMNT_ACDIRMAX         0x00200000
   93 #define NFSMNT_NOLOCKD          0x00400000 /* Locks are local */
   94 #define NFSMNT_NFSV4            0x00800000 /* Use NFS Version 4 protocol */
   95 #define NFSMNT_HASWRITEVERF     0x01000000 /* NFSv4 Write verifier */
   96 
   97 #endif

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