/* 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 _LINUX_NFS3_H

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#define _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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enum nfs3_time_how {

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DONT_CHANGE = 0,

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SET_TO_SERVER_TIME = 1,

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SET_TO_CLIENT_TIME = 2,

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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 /* _LINUX_NFS3_H */

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