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Diffstat (limited to 'include/linux/nfsd/nfsd.h')
-rw-r--r--include/linux/nfsd/nfsd.h225
1 files changed, 155 insertions, 70 deletions
diff --git a/include/linux/nfsd/nfsd.h b/include/linux/nfsd/nfsd.h
index e19f45991b2..2b49d676d0c 100644
--- a/include/linux/nfsd/nfsd.h
+++ b/include/linux/nfsd/nfsd.h
@@ -23,7 +23,7 @@
/*
* nfsd version
*/
-#define NFSD_SUPPORTED_MINOR_VERSION 0
+#define NFSD_SUPPORTED_MINOR_VERSION 1
/*
* Flags for nfsd_permission
@@ -53,6 +53,7 @@ typedef int (*nfsd_dirop_t)(struct inode *, struct dentry *, int, int);
extern struct svc_program nfsd_program;
extern struct svc_version nfsd_version2, nfsd_version3,
nfsd_version4;
+extern u32 nfsd_supported_minorversion;
extern struct mutex nfsd_mutex;
extern struct svc_serv *nfsd_serv;
@@ -105,7 +106,7 @@ void nfsd_close(struct file *);
__be32 nfsd_read(struct svc_rqst *, struct svc_fh *, struct file *,
loff_t, struct kvec *, int, unsigned long *);
__be32 nfsd_write(struct svc_rqst *, struct svc_fh *,struct file *,
- loff_t, struct kvec *,int, unsigned long, int *);
+ loff_t, struct kvec *,int, unsigned long *, int *);
__be32 nfsd_readlink(struct svc_rqst *, struct svc_fh *,
char *, int *);
__be32 nfsd_symlink(struct svc_rqst *, struct svc_fh *,
@@ -149,6 +150,7 @@ int nfsd_set_posix_acl(struct svc_fh *, int, struct posix_acl *);
enum vers_op {NFSD_SET, NFSD_CLEAR, NFSD_TEST, NFSD_AVAIL };
int nfsd_vers(int vers, enum vers_op change);
+int nfsd_minorversion(u32 minorversion, enum vers_op change);
void nfsd_reset_versions(void);
int nfsd_create_serv(void);
@@ -186,78 +188,119 @@ void nfsd_lockd_shutdown(void);
/*
* These macros provide pre-xdr'ed values for faster operation.
*/
-#define nfs_ok __constant_htonl(NFS_OK)
-#define nfserr_perm __constant_htonl(NFSERR_PERM)
-#define nfserr_noent __constant_htonl(NFSERR_NOENT)
-#define nfserr_io __constant_htonl(NFSERR_IO)
-#define nfserr_nxio __constant_htonl(NFSERR_NXIO)
-#define nfserr_eagain __constant_htonl(NFSERR_EAGAIN)
-#define nfserr_acces __constant_htonl(NFSERR_ACCES)
-#define nfserr_exist __constant_htonl(NFSERR_EXIST)
-#define nfserr_xdev __constant_htonl(NFSERR_XDEV)
-#define nfserr_nodev __constant_htonl(NFSERR_NODEV)
-#define nfserr_notdir __constant_htonl(NFSERR_NOTDIR)
-#define nfserr_isdir __constant_htonl(NFSERR_ISDIR)
-#define nfserr_inval __constant_htonl(NFSERR_INVAL)
-#define nfserr_fbig __constant_htonl(NFSERR_FBIG)
-#define nfserr_nospc __constant_htonl(NFSERR_NOSPC)
-#define nfserr_rofs __constant_htonl(NFSERR_ROFS)
-#define nfserr_mlink __constant_htonl(NFSERR_MLINK)
-#define nfserr_opnotsupp __constant_htonl(NFSERR_OPNOTSUPP)
-#define nfserr_nametoolong __constant_htonl(NFSERR_NAMETOOLONG)
-#define nfserr_notempty __constant_htonl(NFSERR_NOTEMPTY)
-#define nfserr_dquot __constant_htonl(NFSERR_DQUOT)
-#define nfserr_stale __constant_htonl(NFSERR_STALE)
-#define nfserr_remote __constant_htonl(NFSERR_REMOTE)
-#define nfserr_wflush __constant_htonl(NFSERR_WFLUSH)
-#define nfserr_badhandle __constant_htonl(NFSERR_BADHANDLE)
-#define nfserr_notsync __constant_htonl(NFSERR_NOT_SYNC)
-#define nfserr_badcookie __constant_htonl(NFSERR_BAD_COOKIE)
-#define nfserr_notsupp __constant_htonl(NFSERR_NOTSUPP)
-#define nfserr_toosmall __constant_htonl(NFSERR_TOOSMALL)
-#define nfserr_serverfault __constant_htonl(NFSERR_SERVERFAULT)
-#define nfserr_badtype __constant_htonl(NFSERR_BADTYPE)
-#define nfserr_jukebox __constant_htonl(NFSERR_JUKEBOX)
-#define nfserr_denied __constant_htonl(NFSERR_DENIED)
-#define nfserr_deadlock __constant_htonl(NFSERR_DEADLOCK)
-#define nfserr_expired __constant_htonl(NFSERR_EXPIRED)
-#define nfserr_bad_cookie __constant_htonl(NFSERR_BAD_COOKIE)
-#define nfserr_same __constant_htonl(NFSERR_SAME)
-#define nfserr_clid_inuse __constant_htonl(NFSERR_CLID_INUSE)
-#define nfserr_stale_clientid __constant_htonl(NFSERR_STALE_CLIENTID)
-#define nfserr_resource __constant_htonl(NFSERR_RESOURCE)
-#define nfserr_moved __constant_htonl(NFSERR_MOVED)
-#define nfserr_nofilehandle __constant_htonl(NFSERR_NOFILEHANDLE)
-#define nfserr_minor_vers_mismatch __constant_htonl(NFSERR_MINOR_VERS_MISMATCH)
-#define nfserr_share_denied __constant_htonl(NFSERR_SHARE_DENIED)
-#define nfserr_stale_stateid __constant_htonl(NFSERR_STALE_STATEID)
-#define nfserr_old_stateid __constant_htonl(NFSERR_OLD_STATEID)
-#define nfserr_bad_stateid __constant_htonl(NFSERR_BAD_STATEID)
-#define nfserr_bad_seqid __constant_htonl(NFSERR_BAD_SEQID)
-#define nfserr_symlink __constant_htonl(NFSERR_SYMLINK)
-#define nfserr_not_same __constant_htonl(NFSERR_NOT_SAME)
-#define nfserr_restorefh __constant_htonl(NFSERR_RESTOREFH)
-#define nfserr_attrnotsupp __constant_htonl(NFSERR_ATTRNOTSUPP)
-#define nfserr_bad_xdr __constant_htonl(NFSERR_BAD_XDR)
-#define nfserr_openmode __constant_htonl(NFSERR_OPENMODE)
-#define nfserr_locks_held __constant_htonl(NFSERR_LOCKS_HELD)
-#define nfserr_op_illegal __constant_htonl(NFSERR_OP_ILLEGAL)
-#define nfserr_grace __constant_htonl(NFSERR_GRACE)
-#define nfserr_no_grace __constant_htonl(NFSERR_NO_GRACE)
-#define nfserr_reclaim_bad __constant_htonl(NFSERR_RECLAIM_BAD)
-#define nfserr_badname __constant_htonl(NFSERR_BADNAME)
-#define nfserr_cb_path_down __constant_htonl(NFSERR_CB_PATH_DOWN)
-#define nfserr_locked __constant_htonl(NFSERR_LOCKED)
-#define nfserr_wrongsec __constant_htonl(NFSERR_WRONGSEC)
-#define nfserr_replay_me __constant_htonl(NFSERR_REPLAY_ME)
+#define nfs_ok cpu_to_be32(NFS_OK)
+#define nfserr_perm cpu_to_be32(NFSERR_PERM)
+#define nfserr_noent cpu_to_be32(NFSERR_NOENT)
+#define nfserr_io cpu_to_be32(NFSERR_IO)
+#define nfserr_nxio cpu_to_be32(NFSERR_NXIO)
+#define nfserr_eagain cpu_to_be32(NFSERR_EAGAIN)
+#define nfserr_acces cpu_to_be32(NFSERR_ACCES)
+#define nfserr_exist cpu_to_be32(NFSERR_EXIST)
+#define nfserr_xdev cpu_to_be32(NFSERR_XDEV)
+#define nfserr_nodev cpu_to_be32(NFSERR_NODEV)
+#define nfserr_notdir cpu_to_be32(NFSERR_NOTDIR)
+#define nfserr_isdir cpu_to_be32(NFSERR_ISDIR)
+#define nfserr_inval cpu_to_be32(NFSERR_INVAL)
+#define nfserr_fbig cpu_to_be32(NFSERR_FBIG)
+#define nfserr_nospc cpu_to_be32(NFSERR_NOSPC)
+#define nfserr_rofs cpu_to_be32(NFSERR_ROFS)
+#define nfserr_mlink cpu_to_be32(NFSERR_MLINK)
+#define nfserr_opnotsupp cpu_to_be32(NFSERR_OPNOTSUPP)
+#define nfserr_nametoolong cpu_to_be32(NFSERR_NAMETOOLONG)
+#define nfserr_notempty cpu_to_be32(NFSERR_NOTEMPTY)
+#define nfserr_dquot cpu_to_be32(NFSERR_DQUOT)
+#define nfserr_stale cpu_to_be32(NFSERR_STALE)
+#define nfserr_remote cpu_to_be32(NFSERR_REMOTE)
+#define nfserr_wflush cpu_to_be32(NFSERR_WFLUSH)
+#define nfserr_badhandle cpu_to_be32(NFSERR_BADHANDLE)
+#define nfserr_notsync cpu_to_be32(NFSERR_NOT_SYNC)
+#define nfserr_badcookie cpu_to_be32(NFSERR_BAD_COOKIE)
+#define nfserr_notsupp cpu_to_be32(NFSERR_NOTSUPP)
+#define nfserr_toosmall cpu_to_be32(NFSERR_TOOSMALL)
+#define nfserr_serverfault cpu_to_be32(NFSERR_SERVERFAULT)
+#define nfserr_badtype cpu_to_be32(NFSERR_BADTYPE)
+#define nfserr_jukebox cpu_to_be32(NFSERR_JUKEBOX)
+#define nfserr_denied cpu_to_be32(NFSERR_DENIED)
+#define nfserr_deadlock cpu_to_be32(NFSERR_DEADLOCK)
+#define nfserr_expired cpu_to_be32(NFSERR_EXPIRED)
+#define nfserr_bad_cookie cpu_to_be32(NFSERR_BAD_COOKIE)
+#define nfserr_same cpu_to_be32(NFSERR_SAME)
+#define nfserr_clid_inuse cpu_to_be32(NFSERR_CLID_INUSE)
+#define nfserr_stale_clientid cpu_to_be32(NFSERR_STALE_CLIENTID)
+#define nfserr_resource cpu_to_be32(NFSERR_RESOURCE)
+#define nfserr_moved cpu_to_be32(NFSERR_MOVED)
+#define nfserr_nofilehandle cpu_to_be32(NFSERR_NOFILEHANDLE)
+#define nfserr_minor_vers_mismatch cpu_to_be32(NFSERR_MINOR_VERS_MISMATCH)
+#define nfserr_share_denied cpu_to_be32(NFSERR_SHARE_DENIED)
+#define nfserr_stale_stateid cpu_to_be32(NFSERR_STALE_STATEID)
+#define nfserr_old_stateid cpu_to_be32(NFSERR_OLD_STATEID)
+#define nfserr_bad_stateid cpu_to_be32(NFSERR_BAD_STATEID)
+#define nfserr_bad_seqid cpu_to_be32(NFSERR_BAD_SEQID)
+#define nfserr_symlink cpu_to_be32(NFSERR_SYMLINK)
+#define nfserr_not_same cpu_to_be32(NFSERR_NOT_SAME)
+#define nfserr_restorefh cpu_to_be32(NFSERR_RESTOREFH)
+#define nfserr_attrnotsupp cpu_to_be32(NFSERR_ATTRNOTSUPP)
+#define nfserr_bad_xdr cpu_to_be32(NFSERR_BAD_XDR)
+#define nfserr_openmode cpu_to_be32(NFSERR_OPENMODE)
+#define nfserr_locks_held cpu_to_be32(NFSERR_LOCKS_HELD)
+#define nfserr_op_illegal cpu_to_be32(NFSERR_OP_ILLEGAL)
+#define nfserr_grace cpu_to_be32(NFSERR_GRACE)
+#define nfserr_no_grace cpu_to_be32(NFSERR_NO_GRACE)
+#define nfserr_reclaim_bad cpu_to_be32(NFSERR_RECLAIM_BAD)
+#define nfserr_badname cpu_to_be32(NFSERR_BADNAME)
+#define nfserr_cb_path_down cpu_to_be32(NFSERR_CB_PATH_DOWN)
+#define nfserr_locked cpu_to_be32(NFSERR_LOCKED)
+#define nfserr_wrongsec cpu_to_be32(NFSERR_WRONGSEC)
+#define nfserr_badiomode cpu_to_be32(NFS4ERR_BADIOMODE)
+#define nfserr_badlayout cpu_to_be32(NFS4ERR_BADLAYOUT)
+#define nfserr_bad_session_digest cpu_to_be32(NFS4ERR_BAD_SESSION_DIGEST)
+#define nfserr_badsession cpu_to_be32(NFS4ERR_BADSESSION)
+#define nfserr_badslot cpu_to_be32(NFS4ERR_BADSLOT)
+#define nfserr_complete_already cpu_to_be32(NFS4ERR_COMPLETE_ALREADY)
+#define nfserr_conn_not_bound_to_session cpu_to_be32(NFS4ERR_CONN_NOT_BOUND_TO_SESSION)
+#define nfserr_deleg_already_wanted cpu_to_be32(NFS4ERR_DELEG_ALREADY_WANTED)
+#define nfserr_back_chan_busy cpu_to_be32(NFS4ERR_BACK_CHAN_BUSY)
+#define nfserr_layouttrylater cpu_to_be32(NFS4ERR_LAYOUTTRYLATER)
+#define nfserr_layoutunavailable cpu_to_be32(NFS4ERR_LAYOUTUNAVAILABLE)
+#define nfserr_nomatching_layout cpu_to_be32(NFS4ERR_NOMATCHING_LAYOUT)
+#define nfserr_recallconflict cpu_to_be32(NFS4ERR_RECALLCONFLICT)
+#define nfserr_unknown_layouttype cpu_to_be32(NFS4ERR_UNKNOWN_LAYOUTTYPE)
+#define nfserr_seq_misordered cpu_to_be32(NFS4ERR_SEQ_MISORDERED)
+#define nfserr_sequence_pos cpu_to_be32(NFS4ERR_SEQUENCE_POS)
+#define nfserr_req_too_big cpu_to_be32(NFS4ERR_REQ_TOO_BIG)
+#define nfserr_rep_too_big cpu_to_be32(NFS4ERR_REP_TOO_BIG)
+#define nfserr_rep_too_big_to_cache cpu_to_be32(NFS4ERR_REP_TOO_BIG_TO_CACHE)
+#define nfserr_retry_uncached_rep cpu_to_be32(NFS4ERR_RETRY_UNCACHED_REP)
+#define nfserr_unsafe_compound cpu_to_be32(NFS4ERR_UNSAFE_COMPOUND)
+#define nfserr_too_many_ops cpu_to_be32(NFS4ERR_TOO_MANY_OPS)
+#define nfserr_op_not_in_session cpu_to_be32(NFS4ERR_OP_NOT_IN_SESSION)
+#define nfserr_hash_alg_unsupp cpu_to_be32(NFS4ERR_HASH_ALG_UNSUPP)
+#define nfserr_clientid_busy cpu_to_be32(NFS4ERR_CLIENTID_BUSY)
+#define nfserr_pnfs_io_hole cpu_to_be32(NFS4ERR_PNFS_IO_HOLE)
+#define nfserr_seq_false_retry cpu_to_be32(NFS4ERR_SEQ_FALSE_RETRY)
+#define nfserr_bad_high_slot cpu_to_be32(NFS4ERR_BAD_HIGH_SLOT)
+#define nfserr_deadsession cpu_to_be32(NFS4ERR_DEADSESSION)
+#define nfserr_encr_alg_unsupp cpu_to_be32(NFS4ERR_ENCR_ALG_UNSUPP)
+#define nfserr_pnfs_no_layout cpu_to_be32(NFS4ERR_PNFS_NO_LAYOUT)
+#define nfserr_not_only_op cpu_to_be32(NFS4ERR_NOT_ONLY_OP)
+#define nfserr_wrong_cred cpu_to_be32(NFS4ERR_WRONG_CRED)
+#define nfserr_wrong_type cpu_to_be32(NFS4ERR_WRONG_TYPE)
+#define nfserr_dirdeleg_unavail cpu_to_be32(NFS4ERR_DIRDELEG_UNAVAIL)
+#define nfserr_reject_deleg cpu_to_be32(NFS4ERR_REJECT_DELEG)
+#define nfserr_returnconflict cpu_to_be32(NFS4ERR_RETURNCONFLICT)
+#define nfserr_deleg_revoked cpu_to_be32(NFS4ERR_DELEG_REVOKED)
/* error codes for internal use */
/* if a request fails due to kmalloc failure, it gets dropped.
* Client should resend eventually
*/
-#define nfserr_dropit __constant_htonl(30000)
+#define nfserr_dropit cpu_to_be32(30000)
/* end-of-file indicator in readdir */
-#define nfserr_eof __constant_htonl(30001)
+#define nfserr_eof cpu_to_be32(30001)
+/* replay detected */
+#define nfserr_replay_me cpu_to_be32(11001)
+/* nfs41 replay detected */
+#define nfserr_replay_cache cpu_to_be32(11002)
/* Check for dir entries '.' and '..' */
#define isdotent(n, l) (l < 3 && n[0] == '.' && (l == 1 || n[1] == '.'))
@@ -300,7 +343,7 @@ extern struct timeval nfssvc_boot;
* TIME_BACKUP (unlikely to be supported any time soon)
* TIME_CREATE (unlikely to be supported any time soon)
*/
-#define NFSD_SUPPORTED_ATTRS_WORD0 \
+#define NFSD4_SUPPORTED_ATTRS_WORD0 \
(FATTR4_WORD0_SUPPORTED_ATTRS | FATTR4_WORD0_TYPE | FATTR4_WORD0_FH_EXPIRE_TYPE \
| FATTR4_WORD0_CHANGE | FATTR4_WORD0_SIZE | FATTR4_WORD0_LINK_SUPPORT \
| FATTR4_WORD0_SYMLINK_SUPPORT | FATTR4_WORD0_NAMED_ATTR | FATTR4_WORD0_FSID \
@@ -312,7 +355,7 @@ extern struct timeval nfssvc_boot;
| FATTR4_WORD0_MAXFILESIZE | FATTR4_WORD0_MAXLINK | FATTR4_WORD0_MAXNAME \
| FATTR4_WORD0_MAXREAD | FATTR4_WORD0_MAXWRITE | FATTR4_WORD0_ACL)
-#define NFSD_SUPPORTED_ATTRS_WORD1 \
+#define NFSD4_SUPPORTED_ATTRS_WORD1 \
(FATTR4_WORD1_MODE | FATTR4_WORD1_NO_TRUNC | FATTR4_WORD1_NUMLINKS \
| FATTR4_WORD1_OWNER | FATTR4_WORD1_OWNER_GROUP | FATTR4_WORD1_RAWDEV \
| FATTR4_WORD1_SPACE_AVAIL | FATTR4_WORD1_SPACE_FREE | FATTR4_WORD1_SPACE_TOTAL \
@@ -320,6 +363,35 @@ extern struct timeval nfssvc_boot;
| FATTR4_WORD1_TIME_DELTA | FATTR4_WORD1_TIME_METADATA \
| FATTR4_WORD1_TIME_MODIFY | FATTR4_WORD1_TIME_MODIFY_SET | FATTR4_WORD1_MOUNTED_ON_FILEID)
+#define NFSD4_SUPPORTED_ATTRS_WORD2 0
+
+#define NFSD4_1_SUPPORTED_ATTRS_WORD0 \
+ NFSD4_SUPPORTED_ATTRS_WORD0
+
+#define NFSD4_1_SUPPORTED_ATTRS_WORD1 \
+ NFSD4_SUPPORTED_ATTRS_WORD1
+
+#define NFSD4_1_SUPPORTED_ATTRS_WORD2 \
+ (NFSD4_SUPPORTED_ATTRS_WORD2 | FATTR4_WORD2_SUPPATTR_EXCLCREAT)
+
+static inline u32 nfsd_suppattrs0(u32 minorversion)
+{
+ return minorversion ? NFSD4_1_SUPPORTED_ATTRS_WORD0
+ : NFSD4_SUPPORTED_ATTRS_WORD0;
+}
+
+static inline u32 nfsd_suppattrs1(u32 minorversion)
+{
+ return minorversion ? NFSD4_1_SUPPORTED_ATTRS_WORD1
+ : NFSD4_SUPPORTED_ATTRS_WORD1;
+}
+
+static inline u32 nfsd_suppattrs2(u32 minorversion)
+{
+ return minorversion ? NFSD4_1_SUPPORTED_ATTRS_WORD2
+ : NFSD4_SUPPORTED_ATTRS_WORD2;
+}
+
/* These will return ERR_INVAL if specified in GETATTR or READDIR. */
#define NFSD_WRITEONLY_ATTRS_WORD1 \
(FATTR4_WORD1_TIME_ACCESS_SET | FATTR4_WORD1_TIME_MODIFY_SET)
@@ -330,6 +402,19 @@ extern struct timeval nfssvc_boot;
#define NFSD_WRITEABLE_ATTRS_WORD1 \
(FATTR4_WORD1_MODE | FATTR4_WORD1_OWNER | FATTR4_WORD1_OWNER_GROUP \
| FATTR4_WORD1_TIME_ACCESS_SET | FATTR4_WORD1_TIME_MODIFY_SET)
+#define NFSD_WRITEABLE_ATTRS_WORD2 0
+
+#define NFSD_SUPPATTR_EXCLCREAT_WORD0 \
+ NFSD_WRITEABLE_ATTRS_WORD0
+/*
+ * we currently store the exclusive create verifier in the v_{a,m}time
+ * attributes so the client can't set these at create time using EXCLUSIVE4_1
+ */
+#define NFSD_SUPPATTR_EXCLCREAT_WORD1 \
+ (NFSD_WRITEABLE_ATTRS_WORD1 & \
+ ~(FATTR4_WORD1_TIME_ACCESS_SET | FATTR4_WORD1_TIME_MODIFY_SET))
+#define NFSD_SUPPATTR_EXCLCREAT_WORD2 \
+ NFSD_WRITEABLE_ATTRS_WORD2
#endif /* CONFIG_NFSD_V4 */