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Diffstat (limited to 'nuttx/fs/nfs/nfs_node.h')
-rw-r--r-- | nuttx/fs/nfs/nfs_node.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/nuttx/fs/nfs/nfs_node.h b/nuttx/fs/nfs/nfs_node.h new file mode 100644 index 000000000..4ae9e162c --- /dev/null +++ b/nuttx/fs/nfs/nfs_node.h @@ -0,0 +1,82 @@ +/**************************************************************************** + * 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 */ |