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 #include <linux/sunrpc/msg_prot.h> 11 12 #define NFS_PROGRAM 100003 13 #define NFS_PORT 2049 14 #define NFS_MAXDATA 8192 15 #define NFS_MAXPATHLEN 1024 16 #define NFS_MAXNAMLEN 255 17 #define NFS_MAXGROUPS 16 18 #define NFS_FHSIZE 32 19 #define NFS_COOKIESIZE 4 20 #define NFS_FIFO_DEV (-1) 21 #define NFSMODE_FMT 0170000 22 #define NFSMODE_DIR 0040000 23 #define NFSMODE_CHR 0020000 24 #define NFSMODE_BLK 0060000 25 #define NFSMODE_REG 0100000 26 #define NFSMODE_LNK 0120000 27 #define NFSMODE_SOCK 0140000 28 #define NFSMODE_FIFO 0010000 29 30 #define NFS_MNT_PROGRAM 100005 31 #define NFS_MNT_PORT 627 32 33 #define NFS_MAJOR UNNAMED_MAJOR 34 #define NFS_MINOR 0xff 35 36 /* 37 * NFS stats. The good thing with these values is that NFSv3 errors are 38 * a superset of NFSv2 errors (with the exception of NFSERR_WFLUSH which 39 * no-one uses anyway), so we can happily mix code as long as we make sure 40 * no NFSv3 errors are returned to NFSv2 clients. 41 * Error codes that have a `--' in the v2 column are not part of the 42 * standard, but seem to be widely used nevertheless. 43 */ 44 enum nfs_stat { 45 NFS_OK = 0, /* v2 v3 */ 46 NFSERR_PERM = 1, /* v2 v3 */ 47 NFSERR_NOENT = 2, /* v2 v3 */ 48 NFSERR_IO = 5, /* v2 v3 */ 49 NFSERR_NXIO = 6, /* v2 v3 */ 50 NFSERR_EAGAIN = 11, /* v2 v3 */ 51 NFSERR_ACCES = 13, /* v2 v3 */ 52 NFSERR_EXIST = 17, /* v2 v3 */ 53 NFSERR_XDEV = 18, /* v3 */ 54 NFSERR_NODEV = 19, /* v2 v3 */ 55 NFSERR_NOTDIR = 20, /* v2 v3 */ 56 NFSERR_ISDIR = 21, /* v2 v3 */ 57 NFSERR_INVAL = 22, /* v2 v3 that Sun forgot */ 58 NFSERR_FBIG = 27, /* v2 v3 */ 59 NFSERR_NOSPC = 28, /* v2 v3 */ 60 NFSERR_ROFS = 30, /* v2 v3 */ 61 NFSERR_MLINK = 31, /* v3 */ 62 NFSERR_OPNOTSUPP = 45, /* v2 v3 */ 63 NFSERR_NAMETOOLONG = 63, /* v2 v3 */ 64 NFSERR_NOTEMPTY = 66, /* v2 v3 */ 65 NFSERR_DQUOT = 69, /* v2 v3 */ 66 NFSERR_STALE = 70, /* v2 v3 */ 67 NFSERR_REMOTE = 71, /* v2 v3 */ 68 NFSERR_WFLUSH = 99, /* v2 */ 69 NFSERR_BADHANDLE = 10001, /* v3 */ 70 NFSERR_NOT_SYNC = 10002, /* v3 */ 71 NFSERR_BAD_COOKIE = 10003, /* v3 */ 72 NFSERR_NOTSUPP = 10004, /* v3 */ 73 NFSERR_TOOSMALL = 10005, /* v3 */ 74 NFSERR_SERVERFAULT = 10006, /* v3 */ 75 NFSERR_BADTYPE = 10007, /* v3 */ 76 NFSERR_JUKEBOX = 10008 /* v3 */ 77 }; 78 79 /* NFSv2 file types - beware, these are not the same in NFSv3 */ 80 81 enum nfs_ftype { 82 NFNON = 0, 83 NFREG = 1, 84 NFDIR = 2, 85 NFBLK = 3, 86 NFCHR = 4, 87 NFLNK = 5, 88 NFSOCK = 6, 89 NFBAD = 7, 90 NFFIFO = 8 91 }; 92 93 #if defined(__KERNEL__) 94 /* 95 * This is the kernel NFS client file handle representation 96 */ 97 #define NFS_MAXFHSIZE 64 98 struct nfs_fh { 99 unsigned short size; 100 unsigned char data[NFS_MAXFHSIZE]; 101 }; 102 103 /* 104 * This is really a general kernel constant, but since nothing like 105 * this is defined in the kernel headers, I have to do it here. 106 */ 107 #define NFS_OFFSET_MAX ((__s64)((~(__u64)0) >> 1)) 108 109 110 enum nfs3_stable_how { 111 NFS_UNSTABLE = 0, 112 NFS_DATA_SYNC = 1, 113 NFS_FILE_SYNC = 2 114 }; 115 #endif /* __KERNEL__ */ 116 #endif /* _LINUX_NFS_H */ 117