1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * NFS protocol definitions 4 * 5 * This file contains constants mostly for Version 2 of the protocol, 6 * but also has a couple of NFSv3 bits in (notably the error codes). 7 */ 8 #ifndef _UAPI_LINUX_NFS_H 9 #define _UAPI_LINUX_NFS_H 10 11 #include <linux/types.h> 12 13 #define NFS_PROGRAM 100003 14 #define NFS_PORT 2049 15 #define NFS_RDMA_PORT 20049 16 #define NFS_MAXDATA 8192 17 #define NFS_MAXPATHLEN 1024 18 #define NFS_MAXNAMLEN 255 19 #define NFS_MAXGROUPS 16 20 #define NFS_FHSIZE 32 21 #define NFS_COOKIESIZE 4 22 #define NFS_FIFO_DEV (-1) 23 #define NFSMODE_FMT 0170000 24 #define NFSMODE_DIR 0040000 25 #define NFSMODE_CHR 0020000 26 #define NFSMODE_BLK 0060000 27 #define NFSMODE_REG 0100000 28 #define NFSMODE_LNK 0120000 29 #define NFSMODE_SOCK 0140000 30 #define NFSMODE_FIFO 0010000 31 32 #define NFS_MNT_PROGRAM 100005 33 #define NFS_MNT_VERSION 1 34 #define NFS_MNT3_VERSION 3 35 36 #define NFS_PIPE_DIRNAME "nfs" 37 38 /* 39 * NFS stats. The good thing with these values is that NFSv3 errors are 40 * a superset of NFSv2 errors (with the exception of NFSERR_WFLUSH which 41 * no-one uses anyway), so we can happily mix code as long as we make sure 42 * no NFSv3 errors are returned to NFSv2 clients. 43 * Error codes that have a `--' in the v2 column are not part of the 44 * standard, but seem to be widely used nevertheless. 45 */ 46 enum nfs_stat { 47 NFS_OK = 0, /* v2 v3 v4 */ 48 NFSERR_PERM = 1, /* v2 v3 v4 */ 49 NFSERR_NOENT = 2, /* v2 v3 v4 */ 50 NFSERR_IO = 5, /* v2 v3 v4 */ 51 NFSERR_NXIO = 6, /* v2 v3 v4 */ 52 NFSERR_EAGAIN = 11, /* v2 v3 */ 53 NFSERR_ACCES = 13, /* v2 v3 v4 */ 54 NFSERR_EXIST = 17, /* v2 v3 v4 */ 55 NFSERR_XDEV = 18, /* v3 v4 */ 56 NFSERR_NODEV = 19, /* v2 v3 v4 */ 57 NFSERR_NOTDIR = 20, /* v2 v3 v4 */ 58 NFSERR_ISDIR = 21, /* v2 v3 v4 */ 59 NFSERR_INVAL = 22, /* v2 v3 v4 */ 60 NFSERR_FBIG = 27, /* v2 v3 v4 */ 61 NFSERR_NOSPC = 28, /* v2 v3 v4 */ 62 NFSERR_ROFS = 30, /* v2 v3 v4 */ 63 NFSERR_MLINK = 31, /* v3 v4 */ 64 NFSERR_NAMETOOLONG = 63, /* v2 v3 v4 */ 65 NFSERR_NOTEMPTY = 66, /* v2 v3 v4 */ 66 NFSERR_DQUOT = 69, /* v2 v3 v4 */ 67 NFSERR_STALE = 70, /* v2 v3 v4 */ 68 NFSERR_REMOTE = 71, /* v2 v3 */ 69 NFSERR_WFLUSH = 99, /* v2 */ 70 NFSERR_BADHANDLE = 10001, /* v3 v4 */ 71 NFSERR_NOT_SYNC = 10002, /* v3 */ 72 NFSERR_BAD_COOKIE = 10003, /* v3 v4 */ 73 NFSERR_NOTSUPP = 10004, /* v3 v4 */ 74 NFSERR_TOOSMALL = 10005, /* v3 v4 */ 75 NFSERR_SERVERFAULT = 10006, /* v3 v4 */ 76 NFSERR_BADTYPE = 10007, /* v3 v4 */ 77 NFSERR_JUKEBOX = 10008, /* v3 v4 */ 78 NFSERR_SAME = 10009, /* v4 */ 79 NFSERR_DENIED = 10010, /* v4 */ 80 NFSERR_EXPIRED = 10011, /* v4 */ 81 NFSERR_LOCKED = 10012, /* v4 */ 82 NFSERR_GRACE = 10013, /* v4 */ 83 NFSERR_FHEXPIRED = 10014, /* v4 */ 84 NFSERR_SHARE_DENIED = 10015, /* v4 */ 85 NFSERR_WRONGSEC = 10016, /* v4 */ 86 NFSERR_CLID_INUSE = 10017, /* v4 */ 87 NFSERR_RESOURCE = 10018, /* v4 */ 88 NFSERR_MOVED = 10019, /* v4 */ 89 NFSERR_NOFILEHANDLE = 10020, /* v4 */ 90 NFSERR_MINOR_VERS_MISMATCH = 10021, /* v4 */ 91 NFSERR_STALE_CLIENTID = 10022, /* v4 */ 92 NFSERR_STALE_STATEID = 10023, /* v4 */ 93 NFSERR_OLD_STATEID = 10024, /* v4 */ 94 NFSERR_BAD_STATEID = 10025, /* v4 */ 95 NFSERR_BAD_SEQID = 10026, /* v4 */ 96 NFSERR_NOT_SAME = 10027, /* v4 */ 97 NFSERR_LOCK_RANGE = 10028, /* v4 */ 98 NFSERR_SYMLINK = 10029, /* v4 */ 99 NFSERR_RESTOREFH = 10030, /* v4 */ 100 NFSERR_LEASE_MOVED = 10031, /* v4 */ 101 NFSERR_ATTRNOTSUPP = 10032, /* v4 */ 102 NFSERR_NO_GRACE = 10033, /* v4 */ 103 NFSERR_RECLAIM_BAD = 10034, /* v4 */ 104 NFSERR_RECLAIM_CONFLICT = 10035,/* v4 */ 105 NFSERR_BAD_XDR = 10036, /* v4 */ 106 NFSERR_LOCKS_HELD = 10037, /* v4 */ 107 NFSERR_OPENMODE = 10038, /* v4 */ 108 NFSERR_BADOWNER = 10039, /* v4 */ 109 NFSERR_BADCHAR = 10040, /* v4 */ 110 NFSERR_BADNAME = 10041, /* v4 */ 111 NFSERR_BAD_RANGE = 10042, /* v4 */ 112 NFSERR_LOCK_NOTSUPP = 10043, /* v4 */ 113 NFSERR_OP_ILLEGAL = 10044, /* v4 */ 114 NFSERR_DEADLOCK = 10045, /* v4 */ 115 NFSERR_FILE_OPEN = 10046, /* v4 */ 116 NFSERR_ADMIN_REVOKED = 10047, /* v4 */ 117 NFSERR_CB_PATH_DOWN = 10048, /* v4 */ 118 }; 119 120 /* NFSv2 file types - beware, these are not the same in NFSv3 */ 121 122 enum nfs_ftype { 123 NFNON = 0, 124 NFREG = 1, 125 NFDIR = 2, 126 NFBLK = 3, 127 NFCHR = 4, 128 NFLNK = 5, 129 NFSOCK = 6, 130 NFBAD = 7, 131 NFFIFO = 8 132 }; 133 134 #endif /* _UAPI_LINUX_NFS_H */ 135