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      1 /*
      2  * NFS protocol definitions
      3  *
      4  * This file contains constants mostly for Version 2 of the protocol,
      5  * but also has a couple of NFSv3 bits in (notably the error codes).
      6  */
      7 #ifndef _LINUX_NFS_H
      8 #define _LINUX_NFS_H
      9 
     10 #define NFS_PROGRAM	100003
     11 #define NFS_PORT	2049
     12 #define NFS_MAXDATA	8192
     13 #define NFS_MAXPATHLEN	1024
     14 #define NFS_MAXNAMLEN	255
     15 #define NFS_MAXGROUPS	16
     16 #define NFS_FHSIZE	32
     17 #define NFS_COOKIESIZE	4
     18 #define NFS_FIFO_DEV	(-1)
     19 #define NFSMODE_FMT	0170000
     20 #define NFSMODE_DIR	0040000
     21 #define NFSMODE_CHR	0020000
     22 #define NFSMODE_BLK	0060000
     23 #define NFSMODE_REG	0100000
     24 #define NFSMODE_LNK	0120000
     25 #define NFSMODE_SOCK	0140000
     26 #define NFSMODE_FIFO	0010000
     27 
     28 #define NFS_MNT_PROGRAM	100005
     29 #define NFS_MNT_PORT	627
     30 
     31 /*
     32  * NFS stats. The good thing with these values is that NFSv3 errors are
     33  * a superset of NFSv2 errors (with the exception of NFSERR_WFLUSH which
     34  * no-one uses anyway), so we can happily mix code as long as we make sure
     35  * no NFSv3 errors are returned to NFSv2 clients.
     36  * Error codes that have a `--' in the v2 column are not part of the
     37  * standard, but seem to be widely used nevertheless.
     38  */
     39  enum nfs_stat {
     40 	NFS_OK = 0,			/* v2 v3 v4 */
     41 	NFSERR_PERM = 1,		/* v2 v3 v4 */
     42 	NFSERR_NOENT = 2,		/* v2 v3 v4 */
     43 	NFSERR_IO = 5,			/* v2 v3 v4 */
     44 	NFSERR_NXIO = 6,		/* v2 v3 v4 */
     45 	NFSERR_EAGAIN = 11,		/* v2 v3 */
     46 	NFSERR_ACCES = 13,		/* v2 v3 v4 */
     47 	NFSERR_EXIST = 17,		/* v2 v3 v4 */
     48 	NFSERR_XDEV = 18,		/*    v3 v4 */
     49 	NFSERR_NODEV = 19,		/* v2 v3 v4 */
     50 	NFSERR_NOTDIR = 20,		/* v2 v3 v4 */
     51 	NFSERR_ISDIR = 21,		/* v2 v3 v4 */
     52 	NFSERR_INVAL = 22,		/* v2 v3 v4 */
     53 	NFSERR_FBIG = 27,		/* v2 v3 v4 */
     54 	NFSERR_NOSPC = 28,		/* v2 v3 v4 */
     55 	NFSERR_ROFS = 30,		/* v2 v3 v4 */
     56 	NFSERR_MLINK = 31,		/*    v3 v4 */
     57 	NFSERR_OPNOTSUPP = 45,		/* v2 v3 */
     58 	NFSERR_NAMETOOLONG = 63,	/* v2 v3 v4 */
     59 	NFSERR_NOTEMPTY = 66,		/* v2 v3 v4 */
     60 	NFSERR_DQUOT = 69,		/* v2 v3 v4 */
     61 	NFSERR_STALE = 70,		/* v2 v3 v4 */
     62 	NFSERR_REMOTE = 71,		/* v2 v3 */
     63 	NFSERR_WFLUSH = 99,		/* v2    */
     64 	NFSERR_BADHANDLE = 10001,	/*    v3 v4 */
     65 	NFSERR_NOT_SYNC = 10002,	/*    v3 */
     66 	NFSERR_BAD_COOKIE = 10003,	/*    v3 v4 */
     67 	NFSERR_NOTSUPP = 10004,		/*    v3 v4 */
     68 	NFSERR_TOOSMALL = 10005,	/*    v3 v4 */
     69 	NFSERR_SERVERFAULT = 10006,	/*    v3 v4 */
     70 	NFSERR_BADTYPE = 10007,		/*    v3 v4 */
     71 	NFSERR_JUKEBOX = 10008,		/*    v3 v4 */
     72 	NFSERR_SAME = 10009,		/*       v4 */
     73 	NFSERR_DENIED = 10010,		/*       v4 */
     74 	NFSERR_EXPIRED = 10011,		/*       v4 */
     75 	NFSERR_LOCKED = 10012,		/*       v4 */
     76 	NFSERR_GRACE = 10013,		/*       v4 */
     77 	NFSERR_FHEXPIRED = 10014,	/*       v4 */
     78 	NFSERR_SHARE_DENIED = 10015,	/*       v4 */
     79 	NFSERR_WRONGSEC = 10016,	/*       v4 */
     80 	NFSERR_CLID_INUSE = 10017,	/*       v4 */
     81 	NFSERR_RESOURCE = 10018,	/*       v4 */
     82 	NFSERR_MOVED = 10019,		/*       v4 */
     83 	NFSERR_NOFILEHANDLE = 10020,	/*       v4 */
     84 	NFSERR_MINOR_VERS_MISMATCH = 10021,   /* v4 */
     85 	NFSERR_STALE_CLIENTID = 10022,	/*       v4 */
     86 	NFSERR_STALE_STATEID = 10023,   /*       v4 */
     87 	NFSERR_OLD_STATEID = 10024,     /*       v4 */
     88 	NFSERR_BAD_STATEID = 10025,     /*       v4 */
     89 	NFSERR_BAD_SEQID = 10026,	/*       v4 */
     90 	NFSERR_NOT_SAME = 10027,	/*       v4 */
     91 	NFSERR_LOCK_RANGE = 10028,	/*       v4 */
     92 	NFSERR_SYMLINK = 10029,		/*       v4 */
     93 	NFSERR_RESTOREFH = 10030,	/*       v4 */
     94 	NFSERR_LEASE_MOVED = 10031,	/*       v4 */
     95 	NFSERR_ATTRNOTSUPP = 10032,	/*       v4 */
     96 	NFSERR_NO_GRACE = 10033,	/*       v4 */
     97 	NFSERR_RECLAIM_BAD = 10034,	/*       v4 */
     98 	NFSERR_RECLAIM_CONFLICT = 10035,/*       v4 */
     99 	NFSERR_BAD_XDR = 10036,		/*       v4 */
    100 	NFSERR_LOCKS_HELD = 10037,	/*       v4 */
    101 	NFSERR_OPENMODE = 10038,       /*       v4 */
    102 	NFSERR_BADOWNER = 10039,       /*       v4 */
    103 	NFSERR_BADCHAR = 10040,        /*       v4 */
    104 	NFSERR_BADNAME = 10041,        /*       v4 */
    105 	NFSERR_BAD_RANGE = 10042,      /*       v4 */
    106 	NFSERR_LOCK_NOTSUPP = 10043,   /*       v4 */
    107 	NFSERR_OP_ILLEGAL = 10044,     /*       v4 */
    108 	NFSERR_DEADLOCK = 10045,       /*       v4 */
    109 	NFSERR_FILE_OPEN = 10046,      /*       v4 */
    110 	NFSERR_ADMIN_REVOKED = 10047,  /*       v4 */
    111 	NFSERR_CB_PATH_DOWN = 10048,   /*       v4 */
    112 	NFSERR_REPLAY_ME = 10049	/*       v4 */
    113 };
    114 
    115 /* NFSv2 file types - beware, these are not the same in NFSv3 */
    116 
    117 enum nfs_ftype {
    118 	NFNON = 0,
    119 	NFREG = 1,
    120 	NFDIR = 2,
    121 	NFBLK = 3,
    122 	NFCHR = 4,
    123 	NFLNK = 5,
    124 	NFSOCK = 6,
    125 	NFBAD = 7,
    126 	NFFIFO = 8
    127 };
    128 
    129 #endif /* _LINUX_NFS_H */
    130