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 #ifdef __KERNEL__ 130 #include <linux/sunrpc/msg_prot.h> 131 #include <linux/string.h> 132 133 /* 134 * This is the kernel NFS client file handle representation 135 */ 136 #define NFS_MAXFHSIZE 128 137 struct nfs_fh { 138 unsigned short size; 139 unsigned char data[NFS_MAXFHSIZE]; 140 }; 141 142 /* 143 * Returns a zero iff the size and data fields match. 144 * Checks only "size" bytes in the data field. 145 */ 146 static inline int nfs_compare_fh(const struct nfs_fh *a, const struct nfs_fh *b) 147 { 148 return a->size != b->size || memcmp(a->data, b->data, a->size) != 0; 149 } 150 151 static inline void nfs_copy_fh(struct nfs_fh *target, const struct nfs_fh *source) 152 { 153 target->size = source->size; 154 memcpy(target->data, source->data, source->size); 155 } 156 157 158 /* 159 * This is really a general kernel constant, but since nothing like 160 * this is defined in the kernel headers, I have to do it here. 161 */ 162 #define NFS_OFFSET_MAX ((__s64)((~(__u64)0) >> 1)) 163 164 165 enum nfs3_stable_how { 166 NFS_UNSTABLE = 0, 167 NFS_DATA_SYNC = 1, 168 NFS_FILE_SYNC = 2 169 }; 170 #endif /* __KERNEL__ */ 171 #endif /* _LINUX_NFS_H */ 172