174 lines
5.2 KiB
C
174 lines
5.2 KiB
C
/*
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* NFS protocol definitions
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*
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* This file contains constants mostly for Version 2 of the protocol,
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* but also has a couple of NFSv3 bits in (notably the error codes).
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*/
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#ifndef _LINUX_NFS_H
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#define _LINUX_NFS_H
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#define NFS_PROGRAM 100003
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#define NFS_PORT 2049
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#define NFS_MAXDATA 8192
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#define NFS_MAXPATHLEN 1024
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#define NFS_MAXNAMLEN 255
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#define NFS_MAXGROUPS 16
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#define NFS_FHSIZE 32
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#define NFS_COOKIESIZE 4
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#define NFS_FIFO_DEV (-1)
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#define NFSMODE_FMT 0170000
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#define NFSMODE_DIR 0040000
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#define NFSMODE_CHR 0020000
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#define NFSMODE_BLK 0060000
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#define NFSMODE_REG 0100000
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#define NFSMODE_LNK 0120000
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#define NFSMODE_SOCK 0140000
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#define NFSMODE_FIFO 0010000
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#define NFS_MNT_PROGRAM 100005
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#define NFS_MNT_VERSION 1
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#define NFS_MNT3_VERSION 3
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#define NFS_PIPE_DIRNAME "/nfs"
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/*
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* NFS stats. The good thing with these values is that NFSv3 errors are
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* a superset of NFSv2 errors (with the exception of NFSERR_WFLUSH which
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* no-one uses anyway), so we can happily mix code as long as we make sure
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* no NFSv3 errors are returned to NFSv2 clients.
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* Error codes that have a `--' in the v2 column are not part of the
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* standard, but seem to be widely used nevertheless.
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*/
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enum nfs_stat {
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NFS_OK = 0, /* v2 v3 v4 */
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NFSERR_PERM = 1, /* v2 v3 v4 */
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NFSERR_NOENT = 2, /* v2 v3 v4 */
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NFSERR_IO = 5, /* v2 v3 v4 */
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NFSERR_NXIO = 6, /* v2 v3 v4 */
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NFSERR_EAGAIN = 11, /* v2 v3 */
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NFSERR_ACCES = 13, /* v2 v3 v4 */
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NFSERR_EXIST = 17, /* v2 v3 v4 */
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NFSERR_XDEV = 18, /* v3 v4 */
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NFSERR_NODEV = 19, /* v2 v3 v4 */
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NFSERR_NOTDIR = 20, /* v2 v3 v4 */
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NFSERR_ISDIR = 21, /* v2 v3 v4 */
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NFSERR_INVAL = 22, /* v2 v3 v4 */
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NFSERR_FBIG = 27, /* v2 v3 v4 */
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NFSERR_NOSPC = 28, /* v2 v3 v4 */
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NFSERR_ROFS = 30, /* v2 v3 v4 */
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NFSERR_MLINK = 31, /* v3 v4 */
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NFSERR_OPNOTSUPP = 45, /* v2 v3 */
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NFSERR_NAMETOOLONG = 63, /* v2 v3 v4 */
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NFSERR_NOTEMPTY = 66, /* v2 v3 v4 */
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NFSERR_DQUOT = 69, /* v2 v3 v4 */
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NFSERR_STALE = 70, /* v2 v3 v4 */
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NFSERR_REMOTE = 71, /* v2 v3 */
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NFSERR_WFLUSH = 99, /* v2 */
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NFSERR_BADHANDLE = 10001, /* v3 v4 */
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NFSERR_NOT_SYNC = 10002, /* v3 */
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NFSERR_BAD_COOKIE = 10003, /* v3 v4 */
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NFSERR_NOTSUPP = 10004, /* v3 v4 */
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NFSERR_TOOSMALL = 10005, /* v3 v4 */
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NFSERR_SERVERFAULT = 10006, /* v3 v4 */
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NFSERR_BADTYPE = 10007, /* v3 v4 */
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NFSERR_JUKEBOX = 10008, /* v3 v4 */
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NFSERR_SAME = 10009, /* v4 */
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NFSERR_DENIED = 10010, /* v4 */
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NFSERR_EXPIRED = 10011, /* v4 */
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NFSERR_LOCKED = 10012, /* v4 */
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NFSERR_GRACE = 10013, /* v4 */
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NFSERR_FHEXPIRED = 10014, /* v4 */
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NFSERR_SHARE_DENIED = 10015, /* v4 */
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NFSERR_WRONGSEC = 10016, /* v4 */
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NFSERR_CLID_INUSE = 10017, /* v4 */
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NFSERR_RESOURCE = 10018, /* v4 */
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NFSERR_MOVED = 10019, /* v4 */
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NFSERR_NOFILEHANDLE = 10020, /* v4 */
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NFSERR_MINOR_VERS_MISMATCH = 10021, /* v4 */
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NFSERR_STALE_CLIENTID = 10022, /* v4 */
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NFSERR_STALE_STATEID = 10023, /* v4 */
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NFSERR_OLD_STATEID = 10024, /* v4 */
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NFSERR_BAD_STATEID = 10025, /* v4 */
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NFSERR_BAD_SEQID = 10026, /* v4 */
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NFSERR_NOT_SAME = 10027, /* v4 */
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NFSERR_LOCK_RANGE = 10028, /* v4 */
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NFSERR_SYMLINK = 10029, /* v4 */
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NFSERR_RESTOREFH = 10030, /* v4 */
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NFSERR_LEASE_MOVED = 10031, /* v4 */
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NFSERR_ATTRNOTSUPP = 10032, /* v4 */
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NFSERR_NO_GRACE = 10033, /* v4 */
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NFSERR_RECLAIM_BAD = 10034, /* v4 */
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NFSERR_RECLAIM_CONFLICT = 10035,/* v4 */
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NFSERR_BAD_XDR = 10036, /* v4 */
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NFSERR_LOCKS_HELD = 10037, /* v4 */
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NFSERR_OPENMODE = 10038, /* v4 */
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NFSERR_BADOWNER = 10039, /* v4 */
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NFSERR_BADCHAR = 10040, /* v4 */
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NFSERR_BADNAME = 10041, /* v4 */
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NFSERR_BAD_RANGE = 10042, /* v4 */
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NFSERR_LOCK_NOTSUPP = 10043, /* v4 */
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NFSERR_OP_ILLEGAL = 10044, /* v4 */
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NFSERR_DEADLOCK = 10045, /* v4 */
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NFSERR_FILE_OPEN = 10046, /* v4 */
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NFSERR_ADMIN_REVOKED = 10047, /* v4 */
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NFSERR_CB_PATH_DOWN = 10048, /* v4 */
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};
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/* NFSv2 file types - beware, these are not the same in NFSv3 */
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enum nfs_ftype {
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NFNON = 0,
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NFREG = 1,
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NFDIR = 2,
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NFBLK = 3,
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NFCHR = 4,
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NFLNK = 5,
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NFSOCK = 6,
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NFBAD = 7,
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NFFIFO = 8
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};
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#ifdef __KERNEL__
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#include <linux/sunrpc/msg_prot.h>
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#include <linux/string.h>
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/*
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* This is the kernel NFS client file handle representation
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*/
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#define NFS_MAXFHSIZE 128
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struct nfs_fh {
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unsigned short size;
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unsigned char data[NFS_MAXFHSIZE];
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};
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/*
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* Returns a zero iff the size and data fields match.
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* Checks only "size" bytes in the data field.
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*/
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static inline int nfs_compare_fh(const struct nfs_fh *a, const struct nfs_fh *b)
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{
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return a->size != b->size || memcmp(a->data, b->data, a->size) != 0;
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}
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static inline void nfs_copy_fh(struct nfs_fh *target, const struct nfs_fh *source)
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{
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target->size = source->size;
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memcpy(target->data, source->data, source->size);
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}
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/*
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* This is really a general kernel constant, but since nothing like
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* this is defined in the kernel headers, I have to do it here.
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*/
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#define NFS_OFFSET_MAX ((__s64)((~(__u64)0) >> 1))
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enum nfs3_stable_how {
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NFS_UNSTABLE = 0,
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NFS_DATA_SYNC = 1,
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NFS_FILE_SYNC = 2
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};
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#endif /* __KERNEL__ */
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#endif /* _LINUX_NFS_H */
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