/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* NFS protocol definitions
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*
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* This file contains constants for Version 2 of the protocol.
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*/
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#ifndef _LINUX_NFS2_H
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#define _LINUX_NFS2_H
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#define NFS2_PORT 2049
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#define NFS2_MAXDATA 8192
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#define NFS2_MAXPATHLEN 1024
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#define NFS2_MAXNAMLEN 255
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#define NFS2_MAXGROUPS 16
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#define NFS2_FHSIZE 32
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#define NFS2_COOKIESIZE 4
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#define NFS2_FIFO_DEV (-1)
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#define NFS2MODE_FMT 0170000
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#define NFS2MODE_DIR 0040000
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#define NFS2MODE_CHR 0020000
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#define NFS2MODE_BLK 0060000
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#define NFS2MODE_REG 0100000
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#define NFS2MODE_LNK 0120000
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#define NFS2MODE_SOCK 0140000
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#define NFS2MODE_FIFO 0010000
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/* NFSv2 file types - beware, these are not the same in NFSv3 */
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enum nfs2_ftype {
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NF2NON = 0,
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NF2REG = 1,
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NF2DIR = 2,
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NF2BLK = 3,
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NF2CHR = 4,
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NF2LNK = 5,
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NF2SOCK = 6,
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NF2BAD = 7,
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NF2FIFO = 8
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};
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struct nfs2_fh {
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char data[NFS2_FHSIZE];
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};
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/*
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* Procedure numbers for NFSv2
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*/
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#define NFS2_VERSION 2
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#define NFSPROC_NULL 0
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#define NFSPROC_GETATTR 1
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#define NFSPROC_SETATTR 2
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#define NFSPROC_ROOT 3
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#define NFSPROC_LOOKUP 4
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#define NFSPROC_READLINK 5
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#define NFSPROC_READ 6
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#define NFSPROC_WRITECACHE 7
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#define NFSPROC_WRITE 8
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#define NFSPROC_CREATE 9
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#define NFSPROC_REMOVE 10
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#define NFSPROC_RENAME 11
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#define NFSPROC_LINK 12
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#define NFSPROC_SYMLINK 13
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#define NFSPROC_MKDIR 14
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#define NFSPROC_RMDIR 15
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#define NFSPROC_READDIR 16
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#define NFSPROC_STATFS 17
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#endif /* _LINUX_NFS2_H */
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