px4-firmware/nuttx/fs/nfs/nfs_args.h

/****************************************************************************
 * fs/nfs/nfs_args.h
 *
 *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
 *   Copyright (C) 2012 Jose Pablo Rojas Vargas. All rights reserved.
 *   Author: Jose Pablo Rojas Vargas <jrojas@nx-engineering.com>
 *
 * Leveraged from OpenBSD:
 *
 *   Copyright (c) 1989, 1993, 1995
 *   The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Rick Macklem at The University of Guelph.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 ****************************************************************************/

#ifndef __FS_NFS_NFS_ARGS_H
#define __FS_NFS_NFS_ARGS_H

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include "nfs_proto.h"

/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

/* NFS mount option flags */

#define NFSMNT_SOFT             0x00000001    /* soft mount (hard is default) */
#define NFSMNT_WSIZE            0x00000002    /* set write size */
#define NFSMNT_RSIZE            0x00000004    /* set read size */
#define NFSMNT_TIMEO            0x00000008    /* set initial timeout */
#define NFSMNT_RETRANS          0x00000010    /* set number of request retries */
#define NFSMNT_MAXGRPS          0x00000020    /* set maximum grouplist size */
#define NFSMNT_INT              0x00000040    /* allow interrupts on hard mount */
#define NFSMNT_NOCONN           0x00000080    /* Don't Connect the socket */

/* 0x100 free, was NFSMNT_NQNFS */

#define NFSMNT_NFSV3            0x00000200    /* Use NFS Version 3 protocol */

/* 0x400 free, was NFSMNT_KERB */

#define NFSMNT_DUMBTIMR         0x00000800    /* Don't estimate rtt dynamically */

/* 0x1000 free, was NFSMNT_LEASETERM */

#define NFSMNT_READAHEAD        0x00002000    /* set read ahead */
#define NFSMNT_DEADTHRESH       0x00004000    /* set dead server retry thresh */
#define NFSMNT_RESVPORT         0x00008000    /* Allocate a reserved port */
#define NFSMNT_RDIRPLUS         0x00010000    /* Use Readdirplus for V3 */
#define NFSMNT_READDIRSIZE      0x00020000    /* Set readdir size */
#define NFSMNT_ACREGMIN         0x00040000
#define NFSMNT_ACREGMAX         0x00080000
#define NFSMNT_ACDIRMIN         0x00100000
#define NFSMNT_ACDIRMAX         0x00200000
#define NFSMNT_NOLOCKD          0x00400000    /* Locks are local */
#define NFSMNT_NFSV4            0x00800000    /* Use NFS Version 4 protocol */
#define NFSMNT_HASWRITEVERF     0x01000000    /* NFSv4 Write verifier */

/****************************************************************************
 * Public Types
 ****************************************************************************/

/* Arguments to mount NFS */

struct nfs_args
{
  int version;                /* args structure version number */
  struct sockaddr *addr;      /* file server address */
  int addrlen;                /* length of address */
  int sotype;                 /* Socket type */
  int proto;                  /* and Protocol */
  nfsfh_t *fh;                /* File handle to be mounted */
  int fhsize;                 /* Size, in bytes, of fh */
  int flags;                  /* flags */
  int wsize;                  /* write size in bytes */
  int rsize;                  /* read size in bytes */
  int readdirsize;            /* readdir size in bytes */
  int timeo;                  /* initial timeout in .1 secs */
  int retrans;                /* times to retry send */
  int maxgrouplist;           /* Max. size of group list */
  int readahead;              /* # of blocks to readahead */
  int leaseterm;              /* Term (sec) of lease */
  int deadthresh;             /* Retrans threshold */
  char *hostname;             /* server's name */
};

#endif /* __FS_NFS_NFS_ARGS_H */