diff options
Diffstat (limited to 'include/linux/nfs.h')
| -rw-r--r-- | include/linux/nfs.h | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/include/linux/nfs.h b/include/linux/nfs.h new file mode 100644 index 000000000000..ca2ffa6ae1d5 --- /dev/null +++ b/include/linux/nfs.h @@ -0,0 +1,171 @@ +/* + * 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> +#include <linux/string.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 +}; + +#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]; +}; + +/* + * 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 */ |