/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* NFS protocol definitions
*
* This file contains constants mostly for Version 2 of the protocol,
* but also has a couple of NFSv3 bits in (notably the error codes).
*/
#ifndef _UAPI_LINUX_NFS_H
#define _UAPI_LINUX_NFS_H
#include <linux/types.h>
#define NFS_PROGRAM 100003
#define NFS_PORT 2049
#define NFS_RDMA_PORT 20049
#define NFS_MAXDATA 8192
#define NFS_MAXPATHLEN 1024
#define NFS_MAXNAMLEN 255
#define NFS_MAXGROUPS 16
#define NFS_FHSIZE 32
#define NFS_COOKIESIZE 4
#define NFS_FIFO_DEV (-1 )
#define NFSMODE_FMT 0170000
#define NFSMODE_DIR 0040000
#define NFSMODE_CHR 0020000
#define NFSMODE_BLK 0060000
#define NFSMODE_REG 0100000
#define NFSMODE_LNK 0120000
#define NFSMODE_SOCK 0140000
#define NFSMODE_FIFO 0010000
#define NFS_MNT_PROGRAM 100005
#define NFS_MNT_VERSION 1
#define NFS_MNT3_VERSION 3
#define NFS_PIPE_DIRNAME "nfs"
/*
* NFS stats. The good thing with these values is that NFSv3 errors are
* a superset of NFSv2 errors (with the exception of NFSERR_WFLUSH which
* no-one uses anyway), so we can happily mix code as long as we make sure
* no NFSv3 errors are returned to NFSv2 clients.
* Error codes that have a `--' in the v2 column are not part of the
* standard, but seem to be widely used nevertheless.
*/
enum nfs_stat {
NFS_OK = 0 , /* v2 v3 v4 */
NFSERR_PERM = 1 , /* v2 v3 v4 */
NFSERR_NOENT = 2 , /* v2 v3 v4 */
NFSERR_IO = 5 , /* v2 v3 v4 */
NFSERR_NXIO = 6 , /* v2 v3 v4 */
NFSERR_EAGAIN = 11 , /* v2 v3 */
NFSERR_ACCES = 13 , /* v2 v3 v4 */
NFSERR_EXIST = 17 , /* v2 v3 v4 */
NFSERR_XDEV = 18 , /* v3 v4 */
NFSERR_NODEV = 19 , /* v2 v3 v4 */
NFSERR_NOTDIR = 20 , /* v2 v3 v4 */
NFSERR_ISDIR = 21 , /* v2 v3 v4 */
NFSERR_INVAL = 22 , /* v2 v3 v4 */
NFSERR_FBIG = 27 , /* v2 v3 v4 */
NFSERR_NOSPC = 28 , /* v2 v3 v4 */
NFSERR_ROFS = 30 , /* v2 v3 v4 */
NFSERR_MLINK = 31 , /* v3 v4 */
NFSERR_NAMETOOLONG = 63 , /* v2 v3 v4 */
NFSERR_NOTEMPTY = 66 , /* v2 v3 v4 */
NFSERR_DQUOT = 69 , /* v2 v3 v4 */
NFSERR_STALE = 70 , /* v2 v3 v4 */
NFSERR_REMOTE = 71 , /* v2 v3 */
NFSERR_WFLUSH = 99 , /* v2 */
NFSERR_BADHANDLE = 10001 , /* v3 v4 */
NFSERR_NOT_SYNC = 10002 , /* v3 */
NFSERR_BAD_COOKIE = 10003 , /* v3 v4 */
NFSERR_NOTSUPP = 10004 , /* v3 v4 */
NFSERR_TOOSMALL = 10005 , /* v3 v4 */
NFSERR_SERVERFAULT = 10006 , /* v3 v4 */
NFSERR_BADTYPE = 10007 , /* v3 v4 */
NFSERR_JUKEBOX = 10008 , /* v3 v4 */
NFSERR_SAME = 10009 , /* v4 */
NFSERR_DENIED = 10010 , /* v4 */
NFSERR_EXPIRED = 10011 , /* v4 */
NFSERR_LOCKED = 10012 , /* v4 */
NFSERR_GRACE = 10013 , /* v4 */
NFSERR_FHEXPIRED = 10014 , /* v4 */
NFSERR_SHARE_DENIED = 10015 , /* v4 */
NFSERR_WRONGSEC = 10016 , /* v4 */
NFSERR_CLID_INUSE = 10017 , /* v4 */
NFSERR_RESOURCE = 10018 , /* v4 */
NFSERR_MOVED = 10019 , /* v4 */
NFSERR_NOFILEHANDLE = 10020 , /* v4 */
NFSERR_MINOR_VERS_MISMATCH = 10021 , /* v4 */
NFSERR_STALE_CLIENTID = 10022 , /* v4 */
NFSERR_STALE_STATEID = 10023 , /* v4 */
NFSERR_OLD_STATEID = 10024 , /* v4 */
NFSERR_BAD_STATEID = 10025 , /* v4 */
NFSERR_BAD_SEQID = 10026 , /* v4 */
NFSERR_NOT_SAME = 10027 , /* v4 */
NFSERR_LOCK_RANGE = 10028 , /* v4 */
NFSERR_SYMLINK = 10029 , /* v4 */
NFSERR_RESTOREFH = 10030 , /* v4 */
NFSERR_LEASE_MOVED = 10031 , /* v4 */
NFSERR_ATTRNOTSUPP = 10032 , /* v4 */
NFSERR_NO_GRACE = 10033 , /* v4 */
NFSERR_RECLAIM_BAD = 10034 , /* v4 */
NFSERR_RECLAIM_CONFLICT = 10035 ,/* v4 */
NFSERR_BAD_XDR = 10036 , /* v4 */
NFSERR_LOCKS_HELD = 10037 , /* v4 */
NFSERR_OPENMODE = 10038 , /* v4 */
NFSERR_BADOWNER = 10039 , /* v4 */
NFSERR_BADCHAR = 10040 , /* v4 */
NFSERR_BADNAME = 10041 , /* v4 */
NFSERR_BAD_RANGE = 10042 , /* v4 */
NFSERR_LOCK_NOTSUPP = 10043 , /* v4 */
NFSERR_OP_ILLEGAL = 10044 , /* v4 */
NFSERR_DEADLOCK = 10045 , /* v4 */
NFSERR_FILE_OPEN = 10046 , /* v4 */
NFSERR_ADMIN_REVOKED = 10047 , /* v4 */
NFSERR_CB_PATH_DOWN = 10048 , /* v4 */
};
/* NFSv2 file types - beware, these are not the same in NFSv3 */
enum nfs_ftype {
NFNON = 0 ,
NFREG = 1 ,
NFDIR = 2 ,
NFBLK = 3 ,
NFCHR = 4 ,
NFLNK = 5 ,
NFSOCK = 6 ,
NFBAD = 7 ,
NFFIFO = 8
};
#endif /* _UAPI_LINUX_NFS_H */
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