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Diffstat (limited to 'nuttx/fs/nfs/nfs.h')
| -rw-r--r-- | nuttx/fs/nfs/nfs.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/nuttx/fs/nfs/nfs.h b/nuttx/fs/nfs/nfs.h new file mode 100644 index 000000000..af24357a4 --- /dev/null +++ b/nuttx/fs/nfs/nfs.h @@ -0,0 +1,149 @@ +/**************************************************************************** + * fs/nfs/nfs.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> + * Gregory Nutt <gnutt@nuttx.org> + * + * 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. + * 3. 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_H +#define __FS_NFS_NFS_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include "nfs_mount.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +#define NFS_TICKINTVL MSEC_PER_TICK /* Smallest that we can get */ +#define NFS_TICKS 1 /* Number of system ticks */ +#define NFS_HZ CLOCKS_PER_SEC /* Ticks/sec */ +#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */ +#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ +#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ +#define NFS_TIMEOUTMUL 2 /* Timeout/Delay multiplier */ +#define NFS_MAXREXMIT 100 /* Stop counting after this many */ +#define NFS_RETRANS 10 /* Num of retrans for soft mounts */ +#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */ +#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */ +#define NFS_READDIRSIZE 8192 /* Def. readdir size */ +#define NFS_NPROCS 23 + +/* Ideally, NFS_DIRBLKSIZ should be bigger, but I've seen servers with + * broken NFS/ethernet drivers that won't work with anything bigger (Linux..) + */ + +#define NFS_DIRBLKSIZ 1024 /* Must be a multiple of DIRBLKSIZ */ + +/* Increment NFS statistics */ + +#ifdef CONFIG_NFS_STATISTICS +# define nfs_statistics(n) do { nfsstats.rpccnt[n]++; } while (0) +#else +# define nfs_statistics(n) +#endif + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +extern uint32_t nfs_true; +extern uint32_t nfs_false; +extern uint32_t nfs_xdrneg1; +#ifdef CONFIG_NFS_STATISTICS +extern struct nfsstats nfsstats; +#endif + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +/* NFS statistics structure */ + +struct nfsstats +{ + uint64_t rpccnt[NFS_NPROCS]; +}; + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +#undef EXTERN +#if defined(__cplusplus) +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +EXTERN void nfs_semtake(FAR struct nfsmount *nmp); +EXTERN void nfs_semgive(FAR struct nfsmount *nmp); +EXTERN int nfs_checkmount(FAR struct nfsmount *nmp); +EXTERN int nfs_fsinfo(FAR struct nfsmount *nmp); +EXTERN int nfs_request(struct nfsmount *nmp, int procnum, + FAR void *request, size_t reqlen, + FAR void *response, size_t resplen); +EXTERN int nfs_lookup(FAR struct nfsmount *nmp, FAR const char *filename, + FAR struct file_handle *fhandle, + FAR struct nfs_fattr *obj_attributes, + FAR struct nfs_fattr *dir_attributes); +EXTERN int nfs_findnode(FAR struct nfsmount *nmp, FAR const char *relpath, + FAR struct file_handle *fhandle, + FAR struct nfs_fattr *obj_attributes, + FAR struct nfs_fattr *dir_attributes); +EXTERN int nfs_finddir(FAR struct nfsmount *nmp, FAR const char *relpath, + FAR struct file_handle *fhandle, + FAR struct nfs_fattr *attributes, FAR char *filename); +EXTERN void nfs_attrupdate(FAR struct nfsnode *np, + FAR struct nfs_fattr *attributes); + +#undef EXTERN +#if defined(__cplusplus) +} +#endif + +#endif /* _NFS_NFS_H */ |