9ec7b004d0
support for NFSv4 as well as NFSv2 and 3. It lives in 3 subdirs under sys/fs: nfs - functions that are common to the client and server nfsclient - a mutation of sys/nfsclient that call generic functions to do RPCs and handle state. As such, it retains the buffer cache handling characteristics and vnode semantics that are found in sys/nfsclient, for the most part. nfsserver - the server. It includes a DRC designed specifically for NFSv4, that is used instead of the generic DRC in sys/rpc. The build glue will be checked in later, so at this point, it consists of 3 new subdirs that should not affect kernel building. Approved by: kib (mentor)
102 lines
3.1 KiB
C
102 lines
3.1 KiB
C
/*-
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* Copyright (c) 2009 Rick Macklem, University of Guelph
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NFS_NFSV4ERRSTR_H_
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#define _NFS_NFSV4ERRSTR_H_
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/*
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* Defines static storage in the C file, but I can't be bothered creating
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* a library of one function for this, since it is only currently used by
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* mount_newnfs.c.
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*/
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static const char *nfsv4_errstr[48] = {
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"Illegal filehandle",
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"Undefined NFSv4 err",
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"READDIR cookie is stale",
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"operation not supported",
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"response limit exceeded",
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"undefined server error",
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"type invalid for CREATE",
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"file busy - retry",
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"nverify says attrs same",
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"lock unavailable",
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"lock lease expired",
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"I/O failed due to lock",
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"in grace period",
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"filehandle expired",
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"share reserve denied",
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"wrong security flavor",
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"clientid in use",
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"resource exhaustion",
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"filesystem relocated",
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"current FH is not set",
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"minor vers not supp",
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"server has rebooted",
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"server has rebooted",
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"state is out of sync",
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"incorrect stateid",
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"request is out of seq",
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"verify - attrs not same",
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"lock range not supported",
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"should be file/directory",
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"no saved filehandle",
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"some filesystem moved",
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"recommended attr not sup",
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"reclaim outside of grace",
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"reclaim error at server",
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"conflict on reclaim",
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"XDR decode failed",
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"file locks held at CLOSE",
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"conflict in OPEN and I/O",
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"owner translation bad",
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"utf-8 char not supported",
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"name not supported",
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"lock range not supported",
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"no atomic up/downgrade",
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"undefined operation",
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"file locking deadlock",
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"open file blocks op",
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"lockowner state revoked",
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"callback path down"
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};
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/*
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* Return the error string for the NFS4ERR_xxx. The pointers returned are
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* static and must not be free'd.
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*/
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static const char *
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nfsv4_geterrstr(int errval)
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{
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if (errval < NFSERR_BADHANDLE || errval > NFSERR_CBPATHDOWN)
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return (NULL);
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return (nfsv4_errstr[errval - NFSERR_BADHANDLE]);
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}
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#endif /* _NFS_NFSV4ERRSTR_H_ */
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