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/* 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_OPNOTSUPP = 45, /* v2 v3 */
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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