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149 lines
6.0 KiB
149 lines
6.0 KiB
/**************************************************************************** |
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* fs/nfs/nfs.h |
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* |
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* Copyright (C) 2012 Gregory Nutt. All rights reserved. |
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* Copyright (C) 2012 Jose Pablo Rojas Vargas. All rights reserved. |
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* Author: Jose Pablo Rojas Vargas <jrojas@nx-engineering.com> |
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* Gregory Nutt <gnutt@nuttx.org> |
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* |
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* Leveraged from OpenBSD: |
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* |
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* Copyright (c) 1989, 1993, 1995 |
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* The Regents of the University of California. All rights reserved. |
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* |
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* This code is derived from software contributed to Berkeley by |
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* Rick Macklem at The University of Guelph. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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****************************************************************************/ |
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#ifndef __FS_NFS_NFS_H |
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#define __FS_NFS_NFS_H |
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/**************************************************************************** |
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* Included Files |
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****************************************************************************/ |
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#include "nfs_mount.h" |
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/**************************************************************************** |
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* Pre-processor Definitions |
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****************************************************************************/ |
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#define NFS_TICKINTVL MSEC_PER_TICK /* Smallest that we can get */ |
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#define NFS_TICKS 1 /* Number of system ticks */ |
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#define NFS_HZ CLOCKS_PER_SEC /* Ticks/sec */ |
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#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */ |
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#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ |
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#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ |
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#define NFS_TIMEOUTMUL 2 /* Timeout/Delay multiplier */ |
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#define NFS_MAXREXMIT 100 /* Stop counting after this many */ |
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#define NFS_RETRANS 10 /* Num of retrans for soft mounts */ |
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#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */ |
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#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */ |
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#define NFS_READDIRSIZE 8192 /* Def. readdir size */ |
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#define NFS_NPROCS 23 |
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/* Ideally, NFS_DIRBLKSIZ should be bigger, but I've seen servers with |
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* broken NFS/ethernet drivers that won't work with anything bigger (Linux..) |
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*/ |
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#define NFS_DIRBLKSIZ 1024 /* Must be a multiple of DIRBLKSIZ */ |
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/* Increment NFS statistics */ |
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#ifdef CONFIG_NFS_STATISTICS |
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# define nfs_statistics(n) do { nfsstats.rpccnt[n]++; } while (0) |
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#else |
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# define nfs_statistics(n) |
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#endif |
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/**************************************************************************** |
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* Public Data |
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****************************************************************************/ |
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extern uint32_t nfs_true; |
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extern uint32_t nfs_false; |
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extern uint32_t nfs_xdrneg1; |
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#ifdef CONFIG_NFS_STATISTICS |
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extern struct nfsstats nfsstats; |
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#endif |
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/**************************************************************************** |
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* Public Types |
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****************************************************************************/ |
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/* NFS statistics structure */ |
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struct nfsstats |
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{ |
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uint64_t rpccnt[NFS_NPROCS]; |
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}; |
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/**************************************************************************** |
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* Public Data |
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****************************************************************************/ |
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/**************************************************************************** |
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* Public Function Prototypes |
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****************************************************************************/ |
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#undef EXTERN |
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#if defined(__cplusplus) |
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#define EXTERN extern "C" |
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extern "C" { |
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#else |
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#define EXTERN extern |
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#endif |
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EXTERN void nfs_semtake(FAR struct nfsmount *nmp); |
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EXTERN void nfs_semgive(FAR struct nfsmount *nmp); |
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EXTERN int nfs_checkmount(FAR struct nfsmount *nmp); |
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EXTERN int nfs_fsinfo(FAR struct nfsmount *nmp); |
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EXTERN int nfs_request(struct nfsmount *nmp, int procnum, |
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FAR void *request, size_t reqlen, |
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FAR void *response, size_t resplen); |
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EXTERN int nfs_lookup(FAR struct nfsmount *nmp, FAR const char *filename, |
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FAR struct file_handle *fhandle, |
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FAR struct nfs_fattr *obj_attributes, |
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FAR struct nfs_fattr *dir_attributes); |
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EXTERN int nfs_findnode(FAR struct nfsmount *nmp, FAR const char *relpath, |
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FAR struct file_handle *fhandle, |
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FAR struct nfs_fattr *obj_attributes, |
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FAR struct nfs_fattr *dir_attributes); |
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EXTERN int nfs_finddir(FAR struct nfsmount *nmp, FAR const char *relpath, |
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FAR struct file_handle *fhandle, |
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FAR struct nfs_fattr *attributes, FAR char *filename); |
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EXTERN void nfs_attrupdate(FAR struct nfsnode *np, |
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FAR struct nfs_fattr *attributes); |
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#undef EXTERN |
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#if defined(__cplusplus) |
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} |
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#endif |
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#endif /* _NFS_NFS_H */
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