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/*
 * 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

#include <linux/sunrpc/msg_prot.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_READDIR_NOSPC = 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
};

#if defined(__KERNEL__)
/*
 * This is the kernel NFS client file handle representation
 */

#define NFS_MAXFHSIZE           128
struct nfs_fh {
        unsigned short          size;
        unsigned char           data[NFS_MAXFHSIZE];
};

/*
 * 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 */