1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * NFS protocol definitions 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * This file contains constants mostly for Version 2 of the protocol, 6*4882a593Smuzhiyun * but also has a couple of NFSv3 bits in (notably the error codes). 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun #ifndef _UAPI_LINUX_NFS_H 9*4882a593Smuzhiyun #define _UAPI_LINUX_NFS_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include <linux/types.h> 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #define NFS_PROGRAM 100003 14*4882a593Smuzhiyun #define NFS_PORT 2049 15*4882a593Smuzhiyun #define NFS_RDMA_PORT 20049 16*4882a593Smuzhiyun #define NFS_MAXDATA 8192 17*4882a593Smuzhiyun #define NFS_MAXPATHLEN 1024 18*4882a593Smuzhiyun #define NFS_MAXNAMLEN 255 19*4882a593Smuzhiyun #define NFS_MAXGROUPS 16 20*4882a593Smuzhiyun #define NFS_FHSIZE 32 21*4882a593Smuzhiyun #define NFS_COOKIESIZE 4 22*4882a593Smuzhiyun #define NFS_FIFO_DEV (-1) 23*4882a593Smuzhiyun #define NFSMODE_FMT 0170000 24*4882a593Smuzhiyun #define NFSMODE_DIR 0040000 25*4882a593Smuzhiyun #define NFSMODE_CHR 0020000 26*4882a593Smuzhiyun #define NFSMODE_BLK 0060000 27*4882a593Smuzhiyun #define NFSMODE_REG 0100000 28*4882a593Smuzhiyun #define NFSMODE_LNK 0120000 29*4882a593Smuzhiyun #define NFSMODE_SOCK 0140000 30*4882a593Smuzhiyun #define NFSMODE_FIFO 0010000 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun #define NFS_MNT_PROGRAM 100005 33*4882a593Smuzhiyun #define NFS_MNT_VERSION 1 34*4882a593Smuzhiyun #define NFS_MNT3_VERSION 3 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun #define NFS_PIPE_DIRNAME "nfs" 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun /* 39*4882a593Smuzhiyun * NFS stats. The good thing with these values is that NFSv3 errors are 40*4882a593Smuzhiyun * a superset of NFSv2 errors (with the exception of NFSERR_WFLUSH which 41*4882a593Smuzhiyun * no-one uses anyway), so we can happily mix code as long as we make sure 42*4882a593Smuzhiyun * no NFSv3 errors are returned to NFSv2 clients. 43*4882a593Smuzhiyun * Error codes that have a `--' in the v2 column are not part of the 44*4882a593Smuzhiyun * standard, but seem to be widely used nevertheless. 45*4882a593Smuzhiyun */ 46*4882a593Smuzhiyun enum nfs_stat { 47*4882a593Smuzhiyun NFS_OK = 0, /* v2 v3 v4 */ 48*4882a593Smuzhiyun NFSERR_PERM = 1, /* v2 v3 v4 */ 49*4882a593Smuzhiyun NFSERR_NOENT = 2, /* v2 v3 v4 */ 50*4882a593Smuzhiyun NFSERR_IO = 5, /* v2 v3 v4 */ 51*4882a593Smuzhiyun NFSERR_NXIO = 6, /* v2 v3 v4 */ 52*4882a593Smuzhiyun NFSERR_EAGAIN = 11, /* v2 v3 */ 53*4882a593Smuzhiyun NFSERR_ACCES = 13, /* v2 v3 v4 */ 54*4882a593Smuzhiyun NFSERR_EXIST = 17, /* v2 v3 v4 */ 55*4882a593Smuzhiyun NFSERR_XDEV = 18, /* v3 v4 */ 56*4882a593Smuzhiyun NFSERR_NODEV = 19, /* v2 v3 v4 */ 57*4882a593Smuzhiyun NFSERR_NOTDIR = 20, /* v2 v3 v4 */ 58*4882a593Smuzhiyun NFSERR_ISDIR = 21, /* v2 v3 v4 */ 59*4882a593Smuzhiyun NFSERR_INVAL = 22, /* v2 v3 v4 */ 60*4882a593Smuzhiyun NFSERR_FBIG = 27, /* v2 v3 v4 */ 61*4882a593Smuzhiyun NFSERR_NOSPC = 28, /* v2 v3 v4 */ 62*4882a593Smuzhiyun NFSERR_ROFS = 30, /* v2 v3 v4 */ 63*4882a593Smuzhiyun NFSERR_MLINK = 31, /* v3 v4 */ 64*4882a593Smuzhiyun NFSERR_OPNOTSUPP = 45, /* v2 v3 */ 65*4882a593Smuzhiyun NFSERR_NAMETOOLONG = 63, /* v2 v3 v4 */ 66*4882a593Smuzhiyun NFSERR_NOTEMPTY = 66, /* v2 v3 v4 */ 67*4882a593Smuzhiyun NFSERR_DQUOT = 69, /* v2 v3 v4 */ 68*4882a593Smuzhiyun NFSERR_STALE = 70, /* v2 v3 v4 */ 69*4882a593Smuzhiyun NFSERR_REMOTE = 71, /* v2 v3 */ 70*4882a593Smuzhiyun NFSERR_WFLUSH = 99, /* v2 */ 71*4882a593Smuzhiyun NFSERR_BADHANDLE = 10001, /* v3 v4 */ 72*4882a593Smuzhiyun NFSERR_NOT_SYNC = 10002, /* v3 */ 73*4882a593Smuzhiyun NFSERR_BAD_COOKIE = 10003, /* v3 v4 */ 74*4882a593Smuzhiyun NFSERR_NOTSUPP = 10004, /* v3 v4 */ 75*4882a593Smuzhiyun NFSERR_TOOSMALL = 10005, /* v3 v4 */ 76*4882a593Smuzhiyun NFSERR_SERVERFAULT = 10006, /* v3 v4 */ 77*4882a593Smuzhiyun NFSERR_BADTYPE = 10007, /* v3 v4 */ 78*4882a593Smuzhiyun NFSERR_JUKEBOX = 10008, /* v3 v4 */ 79*4882a593Smuzhiyun NFSERR_SAME = 10009, /* v4 */ 80*4882a593Smuzhiyun NFSERR_DENIED = 10010, /* v4 */ 81*4882a593Smuzhiyun NFSERR_EXPIRED = 10011, /* v4 */ 82*4882a593Smuzhiyun NFSERR_LOCKED = 10012, /* v4 */ 83*4882a593Smuzhiyun NFSERR_GRACE = 10013, /* v4 */ 84*4882a593Smuzhiyun NFSERR_FHEXPIRED = 10014, /* v4 */ 85*4882a593Smuzhiyun NFSERR_SHARE_DENIED = 10015, /* v4 */ 86*4882a593Smuzhiyun NFSERR_WRONGSEC = 10016, /* v4 */ 87*4882a593Smuzhiyun NFSERR_CLID_INUSE = 10017, /* v4 */ 88*4882a593Smuzhiyun NFSERR_RESOURCE = 10018, /* v4 */ 89*4882a593Smuzhiyun NFSERR_MOVED = 10019, /* v4 */ 90*4882a593Smuzhiyun NFSERR_NOFILEHANDLE = 10020, /* v4 */ 91*4882a593Smuzhiyun NFSERR_MINOR_VERS_MISMATCH = 10021, /* v4 */ 92*4882a593Smuzhiyun NFSERR_STALE_CLIENTID = 10022, /* v4 */ 93*4882a593Smuzhiyun NFSERR_STALE_STATEID = 10023, /* v4 */ 94*4882a593Smuzhiyun NFSERR_OLD_STATEID = 10024, /* v4 */ 95*4882a593Smuzhiyun NFSERR_BAD_STATEID = 10025, /* v4 */ 96*4882a593Smuzhiyun NFSERR_BAD_SEQID = 10026, /* v4 */ 97*4882a593Smuzhiyun NFSERR_NOT_SAME = 10027, /* v4 */ 98*4882a593Smuzhiyun NFSERR_LOCK_RANGE = 10028, /* v4 */ 99*4882a593Smuzhiyun NFSERR_SYMLINK = 10029, /* v4 */ 100*4882a593Smuzhiyun NFSERR_RESTOREFH = 10030, /* v4 */ 101*4882a593Smuzhiyun NFSERR_LEASE_MOVED = 10031, /* v4 */ 102*4882a593Smuzhiyun NFSERR_ATTRNOTSUPP = 10032, /* v4 */ 103*4882a593Smuzhiyun NFSERR_NO_GRACE = 10033, /* v4 */ 104*4882a593Smuzhiyun NFSERR_RECLAIM_BAD = 10034, /* v4 */ 105*4882a593Smuzhiyun NFSERR_RECLAIM_CONFLICT = 10035,/* v4 */ 106*4882a593Smuzhiyun NFSERR_BAD_XDR = 10036, /* v4 */ 107*4882a593Smuzhiyun NFSERR_LOCKS_HELD = 10037, /* v4 */ 108*4882a593Smuzhiyun NFSERR_OPENMODE = 10038, /* v4 */ 109*4882a593Smuzhiyun NFSERR_BADOWNER = 10039, /* v4 */ 110*4882a593Smuzhiyun NFSERR_BADCHAR = 10040, /* v4 */ 111*4882a593Smuzhiyun NFSERR_BADNAME = 10041, /* v4 */ 112*4882a593Smuzhiyun NFSERR_BAD_RANGE = 10042, /* v4 */ 113*4882a593Smuzhiyun NFSERR_LOCK_NOTSUPP = 10043, /* v4 */ 114*4882a593Smuzhiyun NFSERR_OP_ILLEGAL = 10044, /* v4 */ 115*4882a593Smuzhiyun NFSERR_DEADLOCK = 10045, /* v4 */ 116*4882a593Smuzhiyun NFSERR_FILE_OPEN = 10046, /* v4 */ 117*4882a593Smuzhiyun NFSERR_ADMIN_REVOKED = 10047, /* v4 */ 118*4882a593Smuzhiyun NFSERR_CB_PATH_DOWN = 10048, /* v4 */ 119*4882a593Smuzhiyun }; 120*4882a593Smuzhiyun 121*4882a593Smuzhiyun /* NFSv2 file types - beware, these are not the same in NFSv3 */ 122*4882a593Smuzhiyun 123*4882a593Smuzhiyun enum nfs_ftype { 124*4882a593Smuzhiyun NFNON = 0, 125*4882a593Smuzhiyun NFREG = 1, 126*4882a593Smuzhiyun NFDIR = 2, 127*4882a593Smuzhiyun NFBLK = 3, 128*4882a593Smuzhiyun NFCHR = 4, 129*4882a593Smuzhiyun NFLNK = 5, 130*4882a593Smuzhiyun NFSOCK = 6, 131*4882a593Smuzhiyun NFBAD = 7, 132*4882a593Smuzhiyun NFFIFO = 8 133*4882a593Smuzhiyun }; 134*4882a593Smuzhiyun 135*4882a593Smuzhiyun #endif /* _UAPI_LINUX_NFS_H */ 136