/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* NFSv3 protocol definitions
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*/
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#ifndef _UAPI_LINUX_NFS3_H
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#define _UAPI_LINUX_NFS3_H
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#define NFS3_PORT 2049
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#define NFS3_MAXDATA 32768
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#define NFS3_MAXPATHLEN PATH_MAX
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#define NFS3_MAXNAMLEN NAME_MAX
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#define NFS3_MAXGROUPS 16
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#define NFS3_FHSIZE 64
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#define NFS3_COOKIESIZE 4
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#define NFS3_CREATEVERFSIZE 8
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#define NFS3_COOKIEVERFSIZE 8
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#define NFS3_WRITEVERFSIZE 8
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#define NFS3_FIFO_DEV (-1)
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#define NFS3MODE_FMT 0170000
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#define NFS3MODE_DIR 0040000
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#define NFS3MODE_CHR 0020000
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#define NFS3MODE_BLK 0060000
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#define NFS3MODE_REG 0100000
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#define NFS3MODE_LNK 0120000
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#define NFS3MODE_SOCK 0140000
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#define NFS3MODE_FIFO 0010000
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/* Flags for access() call */
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#define NFS3_ACCESS_READ 0x0001
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#define NFS3_ACCESS_LOOKUP 0x0002
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#define NFS3_ACCESS_MODIFY 0x0004
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#define NFS3_ACCESS_EXTEND 0x0008
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#define NFS3_ACCESS_DELETE 0x0010
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#define NFS3_ACCESS_EXECUTE 0x0020
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#define NFS3_ACCESS_FULL 0x003f
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/* Flags for create mode */
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enum nfs3_createmode {
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NFS3_CREATE_UNCHECKED = 0,
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NFS3_CREATE_GUARDED = 1,
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NFS3_CREATE_EXCLUSIVE = 2
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};
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/* NFSv3 file system properties */
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#define NFS3_FSF_LINK 0x0001
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#define NFS3_FSF_SYMLINK 0x0002
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#define NFS3_FSF_HOMOGENEOUS 0x0008
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#define NFS3_FSF_CANSETTIME 0x0010
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/* Some shorthands. See fs/nfsd/nfs3proc.c */
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#define NFS3_FSF_DEFAULT 0x001B
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#define NFS3_FSF_BILLYBOY 0x0018
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#define NFS3_FSF_READONLY 0x0008
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enum nfs3_ftype {
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NF3NON = 0,
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NF3REG = 1,
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NF3DIR = 2,
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NF3BLK = 3,
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NF3CHR = 4,
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NF3LNK = 5,
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NF3SOCK = 6,
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NF3FIFO = 7, /* changed from NFSv2 (was 8) */
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NF3BAD = 8
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};
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struct nfs3_fh {
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unsigned short size;
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unsigned char data[NFS3_FHSIZE];
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};
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#define NFS3_VERSION 3
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#define NFS3PROC_NULL 0
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#define NFS3PROC_GETATTR 1
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#define NFS3PROC_SETATTR 2
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#define NFS3PROC_LOOKUP 3
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#define NFS3PROC_ACCESS 4
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#define NFS3PROC_READLINK 5
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#define NFS3PROC_READ 6
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#define NFS3PROC_WRITE 7
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#define NFS3PROC_CREATE 8
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#define NFS3PROC_MKDIR 9
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#define NFS3PROC_SYMLINK 10
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#define NFS3PROC_MKNOD 11
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#define NFS3PROC_REMOVE 12
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#define NFS3PROC_RMDIR 13
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#define NFS3PROC_RENAME 14
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#define NFS3PROC_LINK 15
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#define NFS3PROC_READDIR 16
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#define NFS3PROC_READDIRPLUS 17
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#define NFS3PROC_FSSTAT 18
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#define NFS3PROC_FSINFO 19
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#define NFS3PROC_PATHCONF 20
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#define NFS3PROC_COMMIT 21
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#define NFS_MNT3_VERSION 3
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#endif /* _UAPI_LINUX_NFS3_H */
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