/****************************************************************************
* fs/nfs/nfs_node.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
* 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_NODE_H
#define __FS_NFS_NFS_NODE_H
/****************************************************************************
* Included Files
****************************************************************************/
#include "nfs_proto.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Flags for struct nfsnode n_flag */
#define NFSNODE_OPEN (1 << 0) /* File is still open */
#define NFSNODE_MODIFIED (1 << 1) /* Might have a modified buffer */
/****************************************************************************
* Public Types
****************************************************************************/
/* There is a unique nfsnode allocated for each active file. An nfsnode is
* 'named' by its file handle.
*/
struct nfsnode
{
struct nfsnode *n_next; /* Retained in a singly linked list. */
uint8_t n_type; /* File type */
uint8_t n_fhsize; /* Size in bytes of the file handle */
uint8_t n_flags; /* Node flags */
struct timespec n_mtime; /* File modification time (see NOTE) */
time_t n_ctime; /* File creation time (see NOTE) */
nfsfh_t n_fhandle; /* NFS File Handle */
uint64_t n_size; /* Current size of file (see NOTE) */
};
#endif /* __FS_NFS_NFS_NODE_H */