6632427466
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4827 42af7a65-404d-4744-a932-0658087f49c3
104 lines
4.8 KiB
C
104 lines
4.8 KiB
C
/****************************************************************************
|
|
* fs/nfs/nfs_mount.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
|
|
* 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_MOUNT_H
|
|
#define __FS_NFS_NFS_MOUNT_H
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include "nfs_proto.h"
|
|
#include <sys/socket.h>
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Types
|
|
****************************************************************************/
|
|
|
|
/* Mount structure.
|
|
* One allocated on every NFS mount.
|
|
* Holds NFS specific information for mount.
|
|
*/
|
|
|
|
struct nfsmount
|
|
{
|
|
uint32_t nm_flag; /* Flags for soft/hard... */
|
|
uint32_t nm_state; /* Internal state flags */
|
|
struct nfsnode *nm_head; /* A list to all files opened on this mountpoint */
|
|
bool nm_mounted; /* true: The file system is ready */
|
|
sem_t nm_sem; /* Used to assume thread-safe access */
|
|
uint32_t nm_numgrps; /* Max. size of groupslist */
|
|
nfsfh_t nm_fh; /* File handle of root dir */
|
|
char nm_path[90]; /* server's path of the directory being mount */
|
|
uint32_t nm_fhsize; /* Size of root file handle (host order) */
|
|
struct nfs_fattr nm_fattr; /* nfs file attribute cache */
|
|
struct rpcclnt *nm_rpcclnt; /* rpc state */
|
|
struct socket *nm_so; /* Rpc socket */
|
|
uint8_t nm_sotype; /* Type of socket */
|
|
uint8_t nm_soproto; /* and protocol */
|
|
uint8_t nm_soflags; /* pr_flags for socket protocol */
|
|
struct sockaddr nm_nam; /* Addr of server */
|
|
uint32_t nm_timeo; /* Init timer for NFSMNT_DUMBTIMR */
|
|
uint32_t nm_retry; /* Max retries */
|
|
uint32_t nm_srtt[4]; /* Timers for rpcs */
|
|
uint32_t nm_sdrtt[4];
|
|
uint32_t nm_sent; /* Request send count */
|
|
uint32_t nm_cwnd; /* Request send window */
|
|
uint32_t nm_timeouts; /* Request timeouts */
|
|
uint32_t nm_deadthresh; /* Threshold of timeouts-->dead server */
|
|
uint32_t nm_rsize; /* Max size of read rpc */
|
|
uint32_t nm_wsize; /* Max size of write rpc */
|
|
uint32_t nm_readdirsize; /* Size of a readdir rpc */
|
|
uint32_t nm_readahead; /* Num. of blocks to readahead */
|
|
uint32_t nm_acdirmin; /* Directory attr cache min lifetime */
|
|
uint32_t nm_acdirmax; /* Directory attr cache max lifetime */
|
|
uint32_t nm_acregmin; /* Reg file attr cache min lifetime */
|
|
uint32_t nm_acregmax; /* Reg file attr cache max lifetime */
|
|
uint8_t nm_verf[NFSX_V3WRITEVERF]; /* V3 write verifier */
|
|
};
|
|
|
|
#endif
|