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DEFINITIONS
This source file includes following definitions.
- nfs_compare_fh
- nfs_copy_fh
/*
* NFS protocol definitions
*
* This file contains constants mostly for Version 2 of the protocol,
* but also has a couple of NFSv3 bits in (notably the error codes).
*/
#ifndef _LINUX_NFS_H
#define _LINUX_NFS_H
#define NFS_PROGRAM 100003
#define NFS_PORT 2049
#define NFS_MAXDATA 8192
#define NFS_MAXPATHLEN 1024
#define NFS_MAXNAMLEN 255
#define NFS_MAXGROUPS 16
#define NFS_FHSIZE 32
#define NFS_COOKIESIZE 4
#define NFS_FIFO_DEV (-1)
#define NFSMODE_FMT 0170000
#define NFSMODE_DIR 0040000
#define NFSMODE_CHR 0020000
#define NFSMODE_BLK 0060000
#define NFSMODE_REG 0100000
#define NFSMODE_LNK 0120000
#define NFSMODE_SOCK 0140000
#define NFSMODE_FIFO 0010000
#define NFS_MNT_PROGRAM 100005
#define NFS_MNT_PORT 627
/*
* NFS stats. The good thing with these values is that NFSv3 errors are
* a superset of NFSv2 errors (with the exception of NFSERR_WFLUSH which
* no-one uses anyway), so we can happily mix code as long as we make sure
* no NFSv3 errors are returned to NFSv2 clients.
* Error codes that have a `--' in the v2 column are not part of the
* standard, but seem to be widely used nevertheless.
*/
enum nfs_stat {
NFS_OK = 0, /* v2 v3 v4 */
NFSERR_PERM = 1, /* v2 v3 v4 */
NFSERR_NOENT = 2, /* v2 v3 v4 */
NFSERR_IO = 5, /* v2 v3 v4 */
NFSERR_NXIO = 6, /* v2 v3 v4 */
NFSERR_EAGAIN = 11, /* v2 v3 */
NFSERR_ACCES = 13, /* v2 v3 v4 */
NFSERR_EXIST = 17, /* v2 v3 v4 */
NFSERR_XDEV = 18, /* v3 v4 */
NFSERR_NODEV = 19, /* v2 v3 v4 */
NFSERR_NOTDIR = 20, /* v2 v3 v4 */
NFSERR_ISDIR = 21, /* v2 v3 v4 */
NFSERR_INVAL = 22, /* v2 v3 v4 */
NFSERR_FBIG = 27, /* v2 v3 v4 */
NFSERR_NOSPC = 28, /* v2 v3 v4 */
NFSERR_ROFS = 30, /* v2 v3 v4 */
NFSERR_MLINK = 31, /* v3 v4 */
NFSERR_OPNOTSUPP = 45, /* v2 v3 */
NFSERR_NAMETOOLONG = 63, /* v2 v3 v4 */
NFSERR_NOTEMPTY = 66, /* v2 v3 v4 */
NFSERR_DQUOT = 69, /* v2 v3 v4 */
NFSERR_STALE = 70, /* v2 v3 v4 */
NFSERR_REMOTE = 71, /* v2 v3 */
NFSERR_WFLUSH = 99, /* v2 */
NFSERR_BADHANDLE = 10001, /* v3 v4 */
NFSERR_NOT_SYNC = 10002, /* v3 */
NFSERR_BAD_COOKIE = 10003, /* v3 v4 */
NFSERR_NOTSUPP = 10004, /* v3 v4 */
NFSERR_TOOSMALL = 10005, /* v3 v4 */
NFSERR_SERVERFAULT = 10006, /* v3 v4 */
NFSERR_BADTYPE = 10007, /* v3 v4 */
NFSERR_JUKEBOX = 10008, /* v3 v4 */
NFSERR_SAME = 10009, /* v4 */
NFSERR_DENIED = 10010, /* v4 */
NFSERR_EXPIRED = 10011, /* v4 */
NFSERR_LOCKED = 10012, /* v4 */
NFSERR_GRACE = 10013, /* v4 */
NFSERR_FHEXPIRED = 10014, /* v4 */
NFSERR_SHARE_DENIED = 10015, /* v4 */
NFSERR_WRONGSEC = 10016, /* v4 */
NFSERR_CLID_INUSE = 10017, /* v4 */
NFSERR_RESOURCE = 10018, /* v4 */
NFSERR_MOVED = 10019, /* v4 */
NFSERR_NOFILEHANDLE = 10020, /* v4 */
NFSERR_MINOR_VERS_MISMATCH = 10021, /* v4 */
NFSERR_STALE_CLIENTID = 10022, /* v4 */
NFSERR_STALE_STATEID = 10023, /* v4 */
NFSERR_OLD_STATEID = 10024, /* v4 */
NFSERR_BAD_STATEID = 10025, /* v4 */
NFSERR_BAD_SEQID = 10026, /* v4 */
NFSERR_NOT_SAME = 10027, /* v4 */
NFSERR_LOCK_RANGE = 10028, /* v4 */
NFSERR_SYMLINK = 10029, /* v4 */
NFSERR_RESTOREFH = 10030, /* v4 */
NFSERR_LEASE_MOVED = 10031, /* v4 */
NFSERR_ATTRNOTSUPP = 10032, /* v4 */
NFSERR_NO_GRACE = 10033, /* v4 */
NFSERR_RECLAIM_BAD = 10034, /* v4 */
NFSERR_RECLAIM_CONFLICT = 10035,/* v4 */
NFSERR_BAD_XDR = 10036, /* v4 */
NFSERR_LOCKS_HELD = 10037, /* v4 */
NFSERR_OPENMODE = 10038, /* v4 */
NFSERR_BADOWNER = 10039, /* v4 */
NFSERR_BADCHAR = 10040, /* v4 */
NFSERR_BADNAME = 10041, /* v4 */
NFSERR_BAD_RANGE = 10042, /* v4 */
NFSERR_LOCK_NOTSUPP = 10043, /* v4 */
NFSERR_OP_ILLEGAL = 10044, /* v4 */
NFSERR_DEADLOCK = 10045, /* v4 */
NFSERR_FILE_OPEN = 10046, /* v4 */
NFSERR_ADMIN_REVOKED = 10047, /* v4 */
NFSERR_CB_PATH_DOWN = 10048, /* v4 */
NFSERR_REPLAY_ME = 10049 /* v4 */
};
/* NFSv2 file types - beware, these are not the same in NFSv3 */
enum nfs_ftype {
NFNON = 0,
NFREG = 1,
NFDIR = 2,
NFBLK = 3,
NFCHR = 4,
NFLNK = 5,
NFSOCK = 6,
NFBAD = 7,
NFFIFO = 8
};
#ifdef __KERNEL__
#include <linux/sunrpc/msg_prot.h>
#include <linux/string.h>
/*
* This is the kernel NFS client file handle representation
*/
#define NFS_MAXFHSIZE 128
struct nfs_fh {
unsigned short size;
unsigned char data[NFS_MAXFHSIZE];
};
/*
* Returns a zero iff the size and data fields match.
* Checks only "size" bytes in the data field.
*/
static inline int nfs_compare_fh(const struct nfs_fh *a, const struct nfs_fh *b)
{
return a->size != b->size || memcmp(a->data, b->data, a->size) != 0;
}
static inline void nfs_copy_fh(struct nfs_fh *target, const struct nfs_fh *source)
{
target->size = source->size;
memcpy(target->data, source->data, source->size);
}
/*
* This is really a general kernel constant, but since nothing like
* this is defined in the kernel headers, I have to do it here.
*/
#define NFS_OFFSET_MAX ((__s64)((~(__u64)0) >> 1))
enum nfs3_stable_how {
NFS_UNSTABLE = 0,
NFS_DATA_SYNC = 1,
NFS_FILE_SYNC = 2
};
#endif /* __KERNEL__ */
#endif /* _LINUX_NFS_H */