/* 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 mostly for Version 2 of the protocol,

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* but also has a couple of NFSv3 bits in (notably the error codes).

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*/

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#ifndef _LINUX_NFS_H

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#define _LINUX_NFS_H

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#include <linux/types.h>

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#define NFS_PROGRAM 100003

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#define NFS_PORT 2049

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#define NFS_RDMA_PORT 20049

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#define NFS_MAXDATA 8192

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#define NFS_MAXPATHLEN 1024

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#define NFS_MAXNAMLEN 255

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#define NFS_MAXGROUPS 16

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#define NFS_FHSIZE 32

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#define NFS_COOKIESIZE 4

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#define NFS_FIFO_DEV (-1)

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#define NFSMODE_FMT 0170000

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#define NFSMODE_DIR 0040000

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#define NFSMODE_CHR 0020000

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#define NFSMODE_BLK 0060000

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#define NFSMODE_REG 0100000

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#define NFSMODE_LNK 0120000

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#define NFSMODE_SOCK 0140000

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#define NFSMODE_FIFO 0010000

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#define NFS_MNT_PROGRAM 100005

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#define NFS_MNT_VERSION 1

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#define NFS_MNT3_VERSION 3

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#define NFS_PIPE_DIRNAME "nfs"

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/*

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* NFS stats. The good thing with these values is that NFSv3 errors are

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* a superset of NFSv2 errors (with the exception of NFSERR_WFLUSH which

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* no-one uses anyway), so we can happily mix code as long as we make sure

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* no NFSv3 errors are returned to NFSv2 clients.

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* Error codes that have a `--' in the v2 column are not part of the

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* standard, but seem to be widely used nevertheless.

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*/

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enum nfs_stat {

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NFS_OK = 0, /* v2 v3 v4 */

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NFSERR_PERM = 1, /* v2 v3 v4 */

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NFSERR_NOENT = 2, /* v2 v3 v4 */

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NFSERR_IO = 5, /* v2 v3 v4 */

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NFSERR_NXIO = 6, /* v2 v3 v4 */

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NFSERR_EAGAIN = 11, /* v2 v3 */

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NFSERR_ACCES = 13, /* v2 v3 v4 */

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NFSERR_EXIST = 17, /* v2 v3 v4 */

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NFSERR_XDEV = 18, /* v3 v4 */

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NFSERR_NODEV = 19, /* v2 v3 v4 */

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NFSERR_NOTDIR = 20, /* v2 v3 v4 */

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NFSERR_ISDIR = 21, /* v2 v3 v4 */

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NFSERR_INVAL = 22, /* v2 v3 v4 */

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NFSERR_FBIG = 27, /* v2 v3 v4 */

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NFSERR_NOSPC = 28, /* v2 v3 v4 */

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NFSERR_ROFS = 30, /* v2 v3 v4 */

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NFSERR_MLINK = 31, /* v3 v4 */

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NFSERR_OPNOTSUPP = 45, /* v2 v3 */

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NFSERR_NAMETOOLONG = 63, /* v2 v3 v4 */

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NFSERR_NOTEMPTY = 66, /* v2 v3 v4 */

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NFSERR_DQUOT = 69, /* v2 v3 v4 */

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NFSERR_STALE = 70, /* v2 v3 v4 */

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NFSERR_REMOTE = 71, /* v2 v3 */

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NFSERR_WFLUSH = 99, /* v2 */

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NFSERR_BADHANDLE = 10001, /* v3 v4 */

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NFSERR_NOT_SYNC = 10002, /* v3 */

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NFSERR_BAD_COOKIE = 10003, /* v3 v4 */

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NFSERR_NOTSUPP = 10004, /* v3 v4 */

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NFSERR_TOOSMALL = 10005, /* v3 v4 */

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NFSERR_SERVERFAULT = 10006, /* v3 v4 */

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NFSERR_BADTYPE = 10007, /* v3 v4 */

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NFSERR_JUKEBOX = 10008, /* v3 v4 */

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NFSERR_SAME = 10009, /* v4 */

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NFSERR_DENIED = 10010, /* v4 */

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NFSERR_EXPIRED = 10011, /* v4 */

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NFSERR_LOCKED = 10012, /* v4 */

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NFSERR_GRACE = 10013, /* v4 */

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NFSERR_FHEXPIRED = 10014, /* v4 */

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NFSERR_SHARE_DENIED = 10015, /* v4 */

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NFSERR_WRONGSEC = 10016, /* v4 */

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NFSERR_CLID_INUSE = 10017, /* v4 */

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NFSERR_RESOURCE = 10018, /* v4 */

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NFSERR_MOVED = 10019, /* v4 */

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NFSERR_NOFILEHANDLE = 10020, /* v4 */

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NFSERR_MINOR_VERS_MISMATCH = 10021, /* v4 */

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NFSERR_STALE_CLIENTID = 10022, /* v4 */

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NFSERR_STALE_STATEID = 10023, /* v4 */

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NFSERR_OLD_STATEID = 10024, /* v4 */

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NFSERR_BAD_STATEID = 10025, /* v4 */

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NFSERR_BAD_SEQID = 10026, /* v4 */

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NFSERR_NOT_SAME = 10027, /* v4 */

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NFSERR_LOCK_RANGE = 10028, /* v4 */

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NFSERR_SYMLINK = 10029, /* v4 */

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NFSERR_RESTOREFH = 10030, /* v4 */

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NFSERR_LEASE_MOVED = 10031, /* v4 */

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NFSERR_ATTRNOTSUPP = 10032, /* v4 */

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NFSERR_NO_GRACE = 10033, /* v4 */

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NFSERR_RECLAIM_BAD = 10034, /* v4 */

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NFSERR_RECLAIM_CONFLICT = 10035,/* v4 */

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NFSERR_BAD_XDR = 10036, /* v4 */

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NFSERR_LOCKS_HELD = 10037, /* v4 */

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NFSERR_OPENMODE = 10038, /* v4 */

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NFSERR_BADOWNER = 10039, /* v4 */

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NFSERR_BADCHAR = 10040, /* v4 */

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NFSERR_BADNAME = 10041, /* v4 */

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NFSERR_BAD_RANGE = 10042, /* v4 */

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NFSERR_LOCK_NOTSUPP = 10043, /* v4 */

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NFSERR_OP_ILLEGAL = 10044, /* v4 */

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NFSERR_DEADLOCK = 10045, /* v4 */

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NFSERR_FILE_OPEN = 10046, /* v4 */

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NFSERR_ADMIN_REVOKED = 10047, /* v4 */

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NFSERR_CB_PATH_DOWN = 10048, /* v4 */

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};

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/* NFSv2 file types - beware, these are not the same in NFSv3 */

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enum nfs_ftype {

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NFNON = 0,

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NFREG = 1,

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NFDIR = 2,

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NFBLK = 3,

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NFCHR = 4,

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NFLNK = 5,

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NFSOCK = 6,

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NFBAD = 7,

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NFFIFO = 8

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};

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#endif /* _LINUX_NFS_H */

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