* Copyright (c) 1989, 1993

/* $NetBSD: nfsproto.h,v 1.1.1.2 2016/11/18 07:49:13 pgoyette Exp $ */
/*-
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Rick Macklem at The University of Guelph.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* FreeBSD: head/sys/fs/nfs/nfsproto.h 304026 2016-08-12 22:44:59Z rmacklem
* $NetBSD: nfsproto.h,v 1.1.1.2 2016/11/18 07:49:13 pgoyette Exp $
*/

#ifndef _NFS_NFSPROTO_H_
#define _NFS_NFSPROTO_H_

/*
* nfs definitions as per the Version 2, 3 and 4 specs
*/

/*
* Constants as defined in the NFS Version 2, 3 and 4 specs.
* "NFS: Network File System Protocol Specification" RFC1094
* and in the "NFS: Network File System Version 3 Protocol
* Specification"
*/

#define NFS_PORT 2049
#define NFS_PROG 100003
#define NFS_CALLBCKPROG 0x40000000 /* V4 only */
#define NFS_VER2 2
#define NFS_VER3 3
#define NFS_VER4 4
#define NFS_V2MAXDATA 8192
#define NFS_MAXDGRAMDATA 16384
#define NFS_MAXPATHLEN 1024
#define NFS_MAXNAMLEN 255
#define NFS_MAXPKTHDR 404
#define NFS_MAXPACKET (NFS_SRVMAXIO + 2048)
#define NFS_MINPACKET 20
#define NFS_FABLKSIZE 512 /* Size in bytes of a block wrt fa_blocks */
#define NFSV4_MINORVERSION 0 /* V4 Minor version */
#define NFSV41_MINORVERSION 1 /* V4 Minor version */
#define NFSV4_CBVERS 1 /* V4 CB Version */
#define NFSV41_CBVERS 4 /* V4.1 CB Version */
#define NFSV4_SMALLSTR 50 /* Strings small enough for stack */

/*
* This value isn't a fixed value in the RFCs.
* It is the maximum data size supported by NFSv3 or NFSv4 over TCP for
* the server. It should be set to the I/O size preferred by ZFS or
* MAXBSIZE, whichever is greater.
* ZFS currently prefers 128K.
* It used to be called NFS_MAXDATA, but has been renamed to clarify that
* it refers to server side only and doesn't conflict with the NFS_MAXDATA
* defined in rpcsvc/nfs_prot.h for userland.
*/
#define NFS_SRVMAXIO (128 * 1024)

/* Stat numbers for rpc returns (version 2, 3 and 4) */
/*
* These numbers are hard-wired in the RFCs, so they can't be changed.
* The code currently assumes that the ones < 10000 are the same as
* sys/errno.h and that sys/errno.h will never go as high as 10000.
* If the value in sys/errno.h of any entry listed below is changed,
* the NFS code must be modified to do the mapping between them.
* (You can ignore NFSERR_WFLUSH, since it is never actually used.)
*/
#define NFSERR_OK 0
#define NFSERR_PERM 1
#define NFSERR_NOENT 2
#define NFSERR_IO 5
#define NFSERR_NXIO 6
#define NFSERR_ACCES 13
#define NFSERR_EXIST 17
#define NFSERR_XDEV 18 /* Version 3, 4 only */
#define NFSERR_NODEV 19
#define NFSERR_NOTDIR 20
#define NFSERR_ISDIR 21
#define NFSERR_INVAL 22 /* Version 3, 4 only */
#define NFSERR_FBIG 27
#define NFSERR_NOSPC 28
#define NFSERR_ROFS 30
#define NFSERR_MLINK 31 /* Version 3, 4 only */
#define NFSERR_NAMETOL 63
#define NFSERR_NOTEMPTY 66
#define NFSERR_DQUOT 69
#define NFSERR_STALE 70
#define NFSERR_REMOTE 71 /* Version 3 only */
#define NFSERR_WFLUSH 99 /* Version 2 only */
#define NFSERR_BADHANDLE 10001 /* These are Version 3, 4 only */
#define NFSERR_NOT_SYNC 10002 /* Version 3 Only */
#define NFSERR_BAD_COOKIE 10003
#define NFSERR_NOTSUPP 10004
#define NFSERR_TOOSMALL 10005
#define NFSERR_SERVERFAULT 10006
#define NFSERR_BADTYPE 10007
#define NFSERR_DELAY 10008 /* Called NFSERR_JUKEBOX for V3 */
#define NFSERR_SAME 10009 /* These are Version 4 only */
#define NFSERR_DENIED 10010
#define NFSERR_EXPIRED 10011
#define NFSERR_LOCKED 10012
#define NFSERR_GRACE 10013
#define NFSERR_FHEXPIRED 10014
#define NFSERR_SHAREDENIED 10015
#define NFSERR_WRONGSEC 10016
#define NFSERR_CLIDINUSE 10017
#define NFSERR_RESOURCE 10018
#define NFSERR_MOVED 10019
#define NFSERR_NOFILEHANDLE 10020
#define NFSERR_MINORVERMISMATCH 10021
#define NFSERR_STALECLIENTID 10022
#define NFSERR_STALESTATEID 10023
#define NFSERR_OLDSTATEID 10024
#define NFSERR_BADSTATEID 10025
#define NFSERR_BADSEQID 10026
#define NFSERR_NOTSAME 10027
#define NFSERR_LOCKRANGE 10028
#define NFSERR_SYMLINK 10029
#define NFSERR_RESTOREFH 10030
#define NFSERR_LEASEMOVED 10031
#define NFSERR_ATTRNOTSUPP 10032
#define NFSERR_NOGRACE 10033
#define NFSERR_RECLAIMBAD 10034
#define NFSERR_RECLAIMCONFLICT 10035
#define NFSERR_BADXDR 10036
#define NFSERR_LOCKSHELD 10037
#define NFSERR_OPENMODE 10038
#define NFSERR_BADOWNER 10039
#define NFSERR_BADCHAR 10040
#define NFSERR_BADNAME 10041
#define NFSERR_BADRANGE 10042
#define NFSERR_LOCKNOTSUPP 10043
#define NFSERR_OPILLEGAL 10044
#define NFSERR_DEADLOCK 10045
#define NFSERR_FILEOPEN 10046
#define NFSERR_ADMINREVOKED 10047
#define NFSERR_CBPATHDOWN 10048

/* NFSv4.1 specific errors. */
#define NFSERR_BADIOMODE 10049
#define NFSERR_BADLAYOUT 10050
#define NFSERR_BADSESSIONDIGEST 10051
#define NFSERR_BADSESSION 10052
#define NFSERR_BADSLOT 10053
#define NFSERR_COMPLETEALREADY 10054
#define NFSERR_NOTBNDTOSESS 10055
#define NFSERR_DELEGALREADYWANT 10056
#define NFSERR_BACKCHANBUSY 10057
#define NFSERR_LAYOUTTRYLATER 10058
#define NFSERR_LAYOUTUNAVAIL 10059
#define NFSERR_NOMATCHLAYOUT 10060
#define NFSERR_RECALLCONFLICT 10061
#define NFSERR_UNKNLAYOUTTYPE 10062
#define NFSERR_SEQMISORDERED 10063
#define NFSERR_SEQUENCEPOS 10064
#define NFSERR_REQTOOBIG 10065
#define NFSERR_REPTOOBIG 10066
#define NFSERR_REPTOOBIGTOCACHE 10067
#define NFSERR_RETRYUNCACHEDREP 10068
#define NFSERR_UNSAFECOMPOUND 10069
#define NFSERR_TOOMANYOPS 10070
#define NFSERR_OPNOTINSESS 10071
#define NFSERR_HASHALGUNSUPP 10072
#define NFSERR_CLIENTIDBUSY 10074
#define NFSERR_PNFSIOHOLE 10075
#define NFSERR_SEQFALSERETRY 10076
#define NFSERR_BADHIGHSLOT 10077
#define NFSERR_DEADSESSION 10078
#define NFSERR_ENCRALGUNSUPP 10079
#define NFSERR_PNFSNOLAYOUT 10080
#define NFSERR_NOTONLYOP 10081
#define NFSERR_WRONGCRED 10082
#define NFSERR_WRONGTYPE 10083
#define NFSERR_DIRDELEGUNAVAIL 10084
#define NFSERR_REJECTDELEG 10085
#define NFSERR_RETURNCONFLICT 10086
#define NFSERR_DELEGREVOKED 10087

#define NFSERR_STALEWRITEVERF 30001 /* Fake return for nfs_commit() */
#define NFSERR_DONTREPLY 30003 /* Don't process request */
#define NFSERR_RETVOID 30004 /* Return void, not error */
#define NFSERR_REPLYFROMCACHE 30005 /* Reply from recent request cache */
#define NFSERR_STALEDONTRECOVER 30006 /* Don't initiate recovery */

#define NFSERR_RPCERR 0x40000000 /* Mark an RPC layer error */
#define NFSERR_AUTHERR 0x80000000 /* Mark an authentication error */

#define NFSERR_RPCMISMATCH (NFSERR_RPCERR | RPC_MISMATCH)
#define NFSERR_PROGUNAVAIL (NFSERR_RPCERR | RPC_PROGUNAVAIL)
#define NFSERR_PROGMISMATCH (NFSERR_RPCERR | RPC_PROGMISMATCH)
#define NFSERR_PROGNOTV4 (NFSERR_RPCERR | 0xffff)
#define NFSERR_PROCUNAVAIL (NFSERR_RPCERR | RPC_PROCUNAVAIL)
#define NFSERR_GARBAGE (NFSERR_RPCERR | RPC_GARBAGE)

/* Sizes in bytes of various nfs rpc components */
#define NFSX_UNSIGNED 4
#define NFSX_HYPER (2 * NFSX_UNSIGNED)

/* specific to NFS Version 2 */
#define NFSX_V2FH 32
#define NFSX_V2FATTR 68
#define NFSX_V2SATTR 32
#define NFSX_V2COOKIE 4
#define NFSX_V2STATFS 20

/* specific to NFS Version 3 */
#define NFSX_V3FHMAX 64 /* max. allowed by protocol */
#define NFSX_V3FATTR 84
#define NFSX_V3SATTR 60 /* max. all fields filled in */
#define NFSX_V3SRVSATTR (sizeof (struct nfsv3_sattr))
#define NFSX_V3POSTOPATTR (NFSX_V3FATTR + NFSX_UNSIGNED)
#define NFSX_V3WCCDATA (NFSX_V3POSTOPATTR + 8 * NFSX_UNSIGNED)
#define NFSX_V3STATFS 52
#define NFSX_V3FSINFO 48
#define NFSX_V3PATHCONF 24

/* specific to NFS Version 4 */
#define NFSX_V4FHMAX 128
#define NFSX_V4FSID (2 * NFSX_HYPER)
#define NFSX_V4SPECDATA (2 * NFSX_UNSIGNED)
#define NFSX_V4TIME (NFSX_HYPER + NFSX_UNSIGNED)
#define NFSX_V4SETTIME (NFSX_UNSIGNED + NFSX_V4TIME)
#define NFSX_V4SESSIONID 16
#define NFSX_V4DEVICEID 16

/* sizes common to multiple NFS versions */
#define NFSX_FHMAX (NFSX_V4FHMAX)
#define NFSX_MYFH (sizeof (fhandle_t)) /* size this server uses */
#define NFSX_VERF 8
#define NFSX_STATEIDOTHER 12
#define NFSX_STATEID (NFSX_UNSIGNED + NFSX_STATEIDOTHER)
#define NFSX_GSSH 12

/* variants for multiple versions */
#define NFSX_STATFS(v3) ((v3) ? NFSX_V3STATFS : NFSX_V2STATFS)

/* nfs rpc procedure numbers (before version mapping) */
#define NFSPROC_NULL 0
#define NFSPROC_GETATTR 1
#define NFSPROC_SETATTR 2
#define NFSPROC_LOOKUP 3
#define NFSPROC_ACCESS 4
#define NFSPROC_READLINK 5
#define NFSPROC_READ 6
#define NFSPROC_WRITE 7
#define NFSPROC_CREATE 8
#define NFSPROC_MKDIR 9
#define NFSPROC_SYMLINK 10
#define NFSPROC_MKNOD 11
#define NFSPROC_REMOVE 12
#define NFSPROC_RMDIR 13
#define NFSPROC_RENAME 14
#define NFSPROC_LINK 15
#define NFSPROC_READDIR 16
#define NFSPROC_READDIRPLUS 17
#define NFSPROC_FSSTAT 18
#define NFSPROC_FSINFO 19
#define NFSPROC_PATHCONF 20
#define NFSPROC_COMMIT 21

/*
* The lower numbers -> 21 are used by NFSv2 and v3. These define higher
* numbers used by NFSv4.
* NFS_V3NPROCS is one greater than the last V3 op and NFS_NPROCS is
* one greater than the last number.
*/
#ifndef NFS_V3NPROCS
#define NFS_V3NPROCS 22

#define NFSPROC_LOOKUPP 22
#define NFSPROC_SETCLIENTID 23
#define NFSPROC_SETCLIENTIDCFRM 24
#define NFSPROC_LOCK 25
#define NFSPROC_LOCKU 26
#define NFSPROC_OPEN 27
#define NFSPROC_CLOSE 28
#define NFSPROC_OPENCONFIRM 29
#define NFSPROC_LOCKT 30
#define NFSPROC_OPENDOWNGRADE 31
#define NFSPROC_RENEW 32
#define NFSPROC_PUTROOTFH 33
#define NFSPROC_RELEASELCKOWN 34
#define NFSPROC_DELEGRETURN 35
#define NFSPROC_RETDELEGREMOVE 36
#define NFSPROC_RETDELEGRENAME1 37
#define NFSPROC_RETDELEGRENAME2 38
#define NFSPROC_GETACL 39
#define NFSPROC_SETACL 40

/*
* Must be defined as one higher than the last Proc# above.
*/
#define NFSV4_NPROCS 41

/* Additional procedures for NFSv4.1. */
#define NFSPROC_EXCHANGEID 41
#define NFSPROC_CREATESESSION 42
#define NFSPROC_DESTROYSESSION 43
#define NFSPROC_DESTROYCLIENT 44
#define NFSPROC_FREESTATEID 45
#define NFSPROC_LAYOUTGET 46
#define NFSPROC_GETDEVICEINFO 47
#define NFSPROC_LAYOUTCOMMIT 48
#define NFSPROC_LAYOUTRETURN 49
#define NFSPROC_RECLAIMCOMPL 50
#define NFSPROC_WRITEDS 51
#define NFSPROC_READDS 52
#define NFSPROC_COMMITDS 53

/*
* Must be defined as one higher than the last NFSv4.1 Proc# above.
*/
#define NFSV41_NPROCS 54

#endif /* NFS_V3NPROCS */

/*
* Define NFS_NPROCS as NFSV4_NPROCS for the experimental kernel code.
*/
#ifndef NFS_NPROCS
#define NFS_NPROCS NFSV4_NPROCS
#endif

/*
* NFSPROC_NOOP is a fake op# that can't be the same as any V2/3/4 Procedure
* or Operation#. Since the NFS V4 Op #s go higher, use NFSV42_NOPS, which
* is one greater than the highest Op#.
*/
#define NFSPROC_NOOP NFSV42_NOPS

/* Actual Version 2 procedure numbers */
#define NFSV2PROC_NULL 0
#define NFSV2PROC_GETATTR 1
#define NFSV2PROC_SETATTR 2
#define NFSV2PROC_NOOP 3
#define NFSV2PROC_ROOT NFSV2PROC_NOOP /* Obsolete */
#define NFSV2PROC_LOOKUP 4
#define NFSV2PROC_READLINK 5
#define NFSV2PROC_READ 6
#define NFSV2PROC_WRITECACHE NFSV2PROC_NOOP /* Obsolete */
#define NFSV2PROC_WRITE 8
#define NFSV2PROC_CREATE 9
#define NFSV2PROC_REMOVE 10
#define NFSV2PROC_RENAME 11
#define NFSV2PROC_LINK 12
#define NFSV2PROC_SYMLINK 13
#define NFSV2PROC_MKDIR 14
#define NFSV2PROC_RMDIR 15
#define NFSV2PROC_READDIR 16
#define NFSV2PROC_STATFS 17

/*
* V4 Procedure numbers
*/
#define NFSV4PROC_COMPOUND 1
#define NFSV4PROC_CBNULL 0
#define NFSV4PROC_CBCOMPOUND 1

/*
* Constants used by the Version 3 and 4 protocols for various RPCs
*/
#define NFSV3SATTRTIME_DONTCHANGE 0
#define NFSV3SATTRTIME_TOSERVER 1
#define NFSV3SATTRTIME_TOCLIENT 2

#define NFSV4SATTRTIME_TOSERVER 0
#define NFSV4SATTRTIME_TOCLIENT 1

#define NFSV4LOCKT_READ 1
#define NFSV4LOCKT_WRITE 2
#define NFSV4LOCKT_READW 3
#define NFSV4LOCKT_WRITEW 4
#define NFSV4LOCKT_RELEASE 5

#define NFSV4OPEN_NOCREATE 0
#define NFSV4OPEN_CREATE 1
#define NFSV4OPEN_CLAIMNULL 0
#define NFSV4OPEN_CLAIMPREVIOUS 1
#define NFSV4OPEN_CLAIMDELEGATECUR 2
#define NFSV4OPEN_CLAIMDELEGATEPREV 3
#define NFSV4OPEN_CLAIMFH 4
#define NFSV4OPEN_CLAIMDELEGATECURFH 5
#define NFSV4OPEN_CLAIMDELEGATEPREVFH 6
#define NFSV4OPEN_DELEGATENONE 0
#define NFSV4OPEN_DELEGATEREAD 1
#define NFSV4OPEN_DELEGATEWRITE 2
#define NFSV4OPEN_DELEGATENONEEXT 3
#define NFSV4OPEN_LIMITSIZE 1
#define NFSV4OPEN_LIMITBLOCKS 2

/*
* Nfs V4 ACE stuff
*/
#define NFSV4ACE_ALLOWEDTYPE 0x00000000
#define NFSV4ACE_DENIEDTYPE 0x00000001
#define NFSV4ACE_AUDITTYPE 0x00000002
#define NFSV4ACE_ALARMTYPE 0x00000003

#define NFSV4ACE_SUPALLOWED 0x00000001
#define NFSV4ACE_SUPDENIED 0x00000002
#define NFSV4ACE_SUPAUDIT 0x00000004
#define NFSV4ACE_SUPALARM 0x00000008

#define NFSV4ACE_SUPTYPES (NFSV4ACE_SUPALLOWED | NFSV4ACE_SUPDENIED)

#define NFSV4ACE_FILEINHERIT 0x00000001
#define NFSV4ACE_DIRECTORYINHERIT 0x00000002
#define NFSV4ACE_NOPROPAGATEINHERIT 0x00000004
#define NFSV4ACE_INHERITONLY 0x00000008
#define NFSV4ACE_SUCCESSFULACCESS 0x00000010
#define NFSV4ACE_FAILEDACCESS 0x00000020
#define NFSV4ACE_IDENTIFIERGROUP 0x00000040

#define NFSV4ACE_READDATA 0x00000001
#define NFSV4ACE_LISTDIRECTORY 0x00000001
#define NFSV4ACE_WRITEDATA 0x00000002
#define NFSV4ACE_ADDFILE 0x00000002
#define NFSV4ACE_APPENDDATA 0x00000004
#define NFSV4ACE_ADDSUBDIRECTORY 0x00000004
#define NFSV4ACE_READNAMEDATTR 0x00000008
#define NFSV4ACE_WRITENAMEDATTR 0x00000010
#define NFSV4ACE_EXECUTE 0x00000020
#define NFSV4ACE_SEARCH 0x00000020
#define NFSV4ACE_DELETECHILD 0x00000040
#define NFSV4ACE_READATTRIBUTES 0x00000080
#define NFSV4ACE_WRITEATTRIBUTES 0x00000100
#define NFSV4ACE_DELETE 0x00010000
#define NFSV4ACE_READACL 0x00020000
#define NFSV4ACE_WRITEACL 0x00040000
#define NFSV4ACE_WRITEOWNER 0x00080000
#define NFSV4ACE_SYNCHRONIZE 0x00100000

/*
* Here are the mappings between mode bits and acl mask bits for
* directories and other files.
* (Named attributes have not been included, since named attributes are
* not yet supported.)
* The mailing list seems to indicate that NFSV4ACE_EXECUTE refers to
* searching a directory, although I can't find a statement of that in
* the RFC.
*/
#define NFSV4ACE_ALLFILESMASK (NFSV4ACE_READATTRIBUTES | NFSV4ACE_READACL)
#define NFSV4ACE_OWNERMASK (NFSV4ACE_WRITEATTRIBUTES | NFSV4ACE_WRITEACL)
#define NFSV4ACE_DIRREADMASK NFSV4ACE_LISTDIRECTORY
#define NFSV4ACE_DIREXECUTEMASK NFSV4ACE_EXECUTE
#define NFSV4ACE_DIRWRITEMASK (NFSV4ACE_ADDFILE | \
NFSV4ACE_ADDSUBDIRECTORY | NFSV4ACE_DELETECHILD)
#define NFSV4ACE_READMASK NFSV4ACE_READDATA
#define NFSV4ACE_WRITEMASK (NFSV4ACE_WRITEDATA | NFSV4ACE_APPENDDATA)
#define NFSV4ACE_EXECUTEMASK NFSV4ACE_EXECUTE
#define NFSV4ACE_ALLFILEBITS (NFSV4ACE_READMASK | NFSV4ACE_WRITEMASK | \
NFSV4ACE_EXECUTEMASK | NFSV4ACE_SYNCHRONIZE)
#define NFSV4ACE_ALLDIRBITS (NFSV4ACE_DIRREADMASK | \
NFSV4ACE_DIRWRITEMASK | NFSV4ACE_DIREXECUTEMASK)
#define NFSV4ACE_AUDITMASK 0x0

/*
* These GENERIC masks are not used and are no longer believed to be useful.
*/
#define NFSV4ACE_GENERICREAD 0x00120081
#define NFSV4ACE_GENERICWRITE 0x00160106
#define NFSV4ACE_GENERICEXECUTE 0x001200a0

#define NFSSTATEID_PUTALLZERO 0
#define NFSSTATEID_PUTALLONE 1
#define NFSSTATEID_PUTSTATEID 2
#define NFSSTATEID_PUTSEQIDZERO 3

/*
* Bits for share access and deny.
*/
#define NFSV4OPEN_ACCESSREAD 0x00000001
#define NFSV4OPEN_ACCESSWRITE 0x00000002
#define NFSV4OPEN_ACCESSBOTH 0x00000003
#define NFSV4OPEN_WANTDELEGMASK 0x0000ff00
#define NFSV4OPEN_WANTREADDELEG 0x00000100
#define NFSV4OPEN_WANTWRITEDELEG 0x00000200
#define NFSV4OPEN_WANTANYDELEG 0x00000300
#define NFSV4OPEN_WANTNODELEG 0x00000400
#define NFSV4OPEN_WANTCANCEL 0x00000500
#define NFSV4OPEN_WANTSIGNALDELEG 0x00010000
#define NFSV4OPEN_WANTPUSHDELEG 0x00020000

#define NFSV4OPEN_DENYNONE 0x00000000
#define NFSV4OPEN_DENYREAD 0x00000001
#define NFSV4OPEN_DENYWRITE 0x00000002
#define NFSV4OPEN_DENYBOTH 0x00000003

/*
* Delegate_none_ext reply values.
*/
#define NFSV4OPEN_NOTWANTED 0
#define NFSV4OPEN_CONTENTION 1
#define NFSV4OPEN_RESOURCE 2
#define NFSV4OPEN_NOTSUPPFTYPE 3
#define NFSV4OPEN_NOTSUPPWRITEFTYPE 4
#define NFSV4OPEN_NOTSUPPUPGRADE 5
#define NFSV4OPEN_NOTSUPPDOWNGRADE 6
#define NFSV4OPEN_CANCELLED 7
#define NFSV4OPEN_ISDIR 8

/*
* Open result flags
* (The first four are in the spec. The rest are used internally.)
*/
#define NFSV4OPEN_RESULTCONFIRM 0x00000002
#define NFSV4OPEN_LOCKTYPEPOSIX 0x00000004
#define NFSV4OPEN_PRESERVEUNLINKED 0x00000008
#define NFSV4OPEN_MAYNOTIFYLOCK 0x00000020
#define NFSV4OPEN_RFLAGS \
(NFSV4OPEN_RESULTCONFIRM | NFSV4OPEN_LOCKTYPEPOSIX | \
NFSV4OPEN_PRESERVEUNLINKED | NFSV4OPEN_MAYNOTIFYLOCK)
#define NFSV4OPEN_RECALL 0x00010000
#define NFSV4OPEN_READDELEGATE 0x00020000
#define NFSV4OPEN_WRITEDELEGATE 0x00040000
#define NFSV4OPEN_WDRESOURCE 0x00080000
#define NFSV4OPEN_WDCONTENTION 0x00100000
#define NFSV4OPEN_WDNOTWANTED 0x00200000

/*
* NFS V4 File Handle types
*/
#define NFSV4FHTYPE_PERSISTENT 0x0
#define NFSV4FHTYPE_NOEXPIREWITHOPEN 0x1
#define NFSV4FHTYPE_VOLATILEANY 0x2
#define NFSV4FHTYPE_VOLATILEMIGRATE 0x4
#define NFSV4FHTYPE_VOLATILERENAME 0x8

/*
* Maximum size of V4 opaque strings.
*/
#define NFSV4_OPAQUELIMIT 1024

/*
* These are the same for V3 and V4.
*/
#define NFSACCESS_READ 0x01
#define NFSACCESS_LOOKUP 0x02
#define NFSACCESS_MODIFY 0x04
#define NFSACCESS_EXTEND 0x08
#define NFSACCESS_DELETE 0x10
#define NFSACCESS_EXECUTE 0x20

#define NFSWRITE_UNSTABLE 0
#define NFSWRITE_DATASYNC 1
#define NFSWRITE_FILESYNC 2

#define NFSCREATE_UNCHECKED 0
#define NFSCREATE_GUARDED 1
#define NFSCREATE_EXCLUSIVE 2
#define NFSCREATE_EXCLUSIVE41 3

#define NFSV3FSINFO_LINK 0x01
#define NFSV3FSINFO_SYMLINK 0x02
#define NFSV3FSINFO_HOMOGENEOUS 0x08
#define NFSV3FSINFO_CANSETTIME 0x10

/* Flags for Exchange ID */
#define NFSV4EXCH_SUPPMOVEDREFER 0x00000001
#define NFSV4EXCH_SUPPMOVEDMIGR 0x00000002
#define NFSV4EXCH_BINDPRINCSTATEID 0x00000100
#define NFSV4EXCH_USENONPNFS 0x00010000
#define NFSV4EXCH_USEPNFSMDS 0x00020000
#define NFSV4EXCH_USEPNFSDS 0x00040000
#define NFSV4EXCH_MASKPNFS 0x00070000
#define NFSV4EXCH_UPDCONFIRMEDRECA 0x40000000
#define NFSV4EXCH_CONFIRMEDR 0x80000000

/* State Protects */
#define NFSV4EXCH_SP4NONE 0
#define NFSV4EXCH_SP4MACHCRED 1
#define NFSV4EXCH_SP4SSV 2

/* Flags for Create Session */
#define NFSV4CRSESS_PERSIST 0x00000001
#define NFSV4CRSESS_CONNBACKCHAN 0x00000002
#define NFSV4CRSESS_CONNRDMA 0x00000004

/* Flags for Sequence */
#define NFSV4SEQ_CBPATHDOWN 0x00000001
#define NFSV4SEQ_CBGSSCONTEXPIRING 0x00000002
#define NFSV4SEQ_CBGSSCONTEXPIRED 0x00000004
#define NFSV4SEQ_EXPIREDALLSTATEREVOKED 0x00000008
#define NFSV4SEQ_EXPIREDSOMESTATEREVOKED 0x00000010
#define NFSV4SEQ_ADMINSTATEREVOKED 0x00000020
#define NFSV4SEQ_RECALLABLESTATEREVOKED 0x00000040
#define NFSV4SEQ_LEASEMOVED 0x00000080
#define NFSV4SEQ_RESTARTRECLAIMNEEDED 0x00000100
#define NFSV4SEQ_CBPATHDOWNSESSION 0x00000200
#define NFSV4SEQ_BACKCHANNELFAULT 0x00000400
#define NFSV4SEQ_DEVIDCHANGED 0x00000800
#define NFSV4SEQ_DEVIDDELETED 0x00001000

/* Flags for Layout. */
#define NFSLAYOUTRETURN_FILE 1
#define NFSLAYOUTRETURN_FSID 2
#define NFSLAYOUTRETURN_ALL 3

#define NFSLAYOUT_NFSV4_1_FILES 0x1
#define NFSLAYOUT_OSD2_OBJECTS 0x2
#define NFSLAYOUT_BLOCK_VOLUME 0x3

#define NFSLAYOUTIOMODE_READ 1
#define NFSLAYOUTIOMODE_RW 2
#define NFSLAYOUTIOMODE_ANY 3

/* Flags for Get Device Info. */
#define NFSDEVICEIDNOTIFY_CHANGEBIT 0x1
#define NFSDEVICEIDNOTIFY_DELETEBIT 0x2

/* Flags for File Layout. */
#define NFSFLAYUTIL_DENSE 0x1
#define NFSFLAYUTIL_COMMIT_THRU_MDS 0x2

/* Conversion macros */
#define vtonfsv2_mode(t,m) \
txdr_unsigned(((t) == VFIFO) ? MAKEIMODE(VCHR, (m)) : \
MAKEIMODE((t), (m)))
#define vtonfsv34_mode(m) txdr_unsigned((m) & 07777)
#define nfstov_mode(a) (fxdr_unsigned(u_int16_t, (a))&07777)
#define vtonfsv2_type(a) (((u_int32_t)(a)) >= 9 ? txdr_unsigned(NFNON) : \
txdr_unsigned(newnfsv2_type[((u_int32_t)(a))]))
#define vtonfsv34_type(a) (((u_int32_t)(a)) >= 9 ? txdr_unsigned(NFNON) : \
txdr_unsigned(nfsv34_type[((u_int32_t)(a))]))
#define nfsv2tov_type(a) newnv2tov_type[fxdr_unsigned(u_int32_t,(a))&0x7]
#define nfsv34tov_type(a) nv34tov_type[fxdr_unsigned(u_int32_t,(a))&0x7]
#define vtonfs_dtype(a) (((u_int32_t)(a)) >= 9 ? IFTODT(VTTOIF(VNON)) : \
IFTODT(VTTOIF(a)))

/* File types */
typedef enum { NFNON=0, NFREG=1, NFDIR=2, NFBLK=3, NFCHR=4, NFLNK=5,
NFSOCK=6, NFFIFO=7, NFATTRDIR=8, NFNAMEDATTR=9 } nfstype;

/* Structs for common parts of the rpc's */

struct nfsv2_time {
u_int32_t nfsv2_sec;
u_int32_t nfsv2_usec;
};
typedef struct nfsv2_time nfstime2;

struct nfsv3_time {
u_int32_t nfsv3_sec;
u_int32_t nfsv3_nsec;
};
typedef struct nfsv3_time nfstime3;

struct nfsv4_time {
u_int32_t nfsv4_highsec;
u_int32_t nfsv4_sec;
u_int32_t nfsv4_nsec;
};
typedef struct nfsv4_time nfstime4;

/*
* Quads are defined as arrays of 2 longs to ensure dense packing for the
* protocol and to facilitate xdr conversion.
*/
struct nfs_uquad {
u_int32_t nfsuquad[2];
};
typedef struct nfs_uquad nfsuint64;

/*
* Used to convert between two u_longs and a u_quad_t.
*/
union nfs_quadconvert {
u_int32_t lval[2];
u_quad_t qval;
};
typedef union nfs_quadconvert nfsquad_t;

/*
* NFS Version 3 special file number.
*/
struct nfsv3_spec {
u_int32_t specdata1;
u_int32_t specdata2;
};
typedef struct nfsv3_spec nfsv3spec;

/*
* File attributes and setable attributes. These structures cover both
* NFS version 2 and the version 3 protocol. Note that the union is only
* used so that one pointer can refer to both variants. These structures
* go out on the wire and must be densely packed, so no quad data types
* are used. (all fields are longs or u_longs or structures of same)
* NB: You can't do sizeof(struct nfs_fattr), you must use the
* NFSX_FATTR(v3) macro.
*/
struct nfs_fattr {
u_int32_t fa_type;
u_int32_t fa_mode;
u_int32_t fa_nlink;
u_int32_t fa_uid;
u_int32_t fa_gid;
union {
struct {
u_int32_t nfsv2fa_size;
u_int32_t nfsv2fa_blocksize;
u_int32_t nfsv2fa_rdev;
u_int32_t nfsv2fa_blocks;
u_int32_t nfsv2fa_fsid;
u_int32_t nfsv2fa_fileid;
nfstime2 nfsv2fa_atime;
nfstime2 nfsv2fa_mtime;
nfstime2 nfsv2fa_ctime;
} fa_nfsv2;
struct {
nfsuint64 nfsv3fa_size;
nfsuint64 nfsv3fa_used;
nfsv3spec nfsv3fa_rdev;
nfsuint64 nfsv3fa_fsid;
nfsuint64 nfsv3fa_fileid;
nfstime3 nfsv3fa_atime;
nfstime3 nfsv3fa_mtime;
nfstime3 nfsv3fa_ctime;
} fa_nfsv3;
} fa_un;
};

/* and some ugly defines for accessing union components */
#define fa2_size fa_un.fa_nfsv2.nfsv2fa_size
#define fa2_blocksize fa_un.fa_nfsv2.nfsv2fa_blocksize
#define fa2_rdev fa_un.fa_nfsv2.nfsv2fa_rdev
#define fa2_blocks fa_un.fa_nfsv2.nfsv2fa_blocks
#define fa2_fsid fa_un.fa_nfsv2.nfsv2fa_fsid
#define fa2_fileid fa_un.fa_nfsv2.nfsv2fa_fileid
#define fa2_atime fa_un.fa_nfsv2.nfsv2fa_atime
#define fa2_mtime fa_un.fa_nfsv2.nfsv2fa_mtime
#define fa2_ctime fa_un.fa_nfsv2.nfsv2fa_ctime
#define fa3_size fa_un.fa_nfsv3.nfsv3fa_size
#define fa3_used fa_un.fa_nfsv3.nfsv3fa_used
#define fa3_rdev fa_un.fa_nfsv3.nfsv3fa_rdev
#define fa3_fsid fa_un.fa_nfsv3.nfsv3fa_fsid
#define fa3_fileid fa_un.fa_nfsv3.nfsv3fa_fileid
#define fa3_atime fa_un.fa_nfsv3.nfsv3fa_atime
#define fa3_mtime fa_un.fa_nfsv3.nfsv3fa_mtime
#define fa3_ctime fa_un.fa_nfsv3.nfsv3fa_ctime

struct nfsv2_sattr {
u_int32_t sa_mode;
u_int32_t sa_uid;
u_int32_t sa_gid;
u_int32_t sa_size;
nfstime2 sa_atime;
nfstime2 sa_mtime;
};

/*
* NFS Version 3 sattr structure for the new node creation case.
*/
struct nfsv3_sattr {
u_int32_t sa_modetrue;
u_int32_t sa_mode;
u_int32_t sa_uidfalse;
u_int32_t sa_gidfalse;
u_int32_t sa_sizefalse;
u_int32_t sa_atimetype;
nfstime3 sa_atime;
u_int32_t sa_mtimetype;
nfstime3 sa_mtime;
};

/*
* The attribute bits used for V4.
* NFSATTRBIT_xxx defines the attribute# (and its bit position)
* NFSATTRBM_xxx is a 32bit mask with the correct bit set within the
* appropriate 32bit word.
* NFSATTRBIT_MAX is one greater than the largest NFSATTRBIT_xxx
*/
#define NFSATTRBIT_SUPPORTEDATTRS 0
#define NFSATTRBIT_TYPE 1
#define NFSATTRBIT_FHEXPIRETYPE 2
#define NFSATTRBIT_CHANGE 3
#define NFSATTRBIT_SIZE 4
#define NFSATTRBIT_LINKSUPPORT 5
#define NFSATTRBIT_SYMLINKSUPPORT 6
#define NFSATTRBIT_NAMEDATTR 7
#define NFSATTRBIT_FSID 8
#define NFSATTRBIT_UNIQUEHANDLES 9
#define NFSATTRBIT_LEASETIME 10
#define NFSATTRBIT_RDATTRERROR 11
#define NFSATTRBIT_ACL 12
#define NFSATTRBIT_ACLSUPPORT 13
#define NFSATTRBIT_ARCHIVE 14
#define NFSATTRBIT_CANSETTIME 15
#define NFSATTRBIT_CASEINSENSITIVE 16
#define NFSATTRBIT_CASEPRESERVING 17
#define NFSATTRBIT_CHOWNRESTRICTED 18
#define NFSATTRBIT_FILEHANDLE 19
#define NFSATTRBIT_FILEID 20
#define NFSATTRBIT_FILESAVAIL 21
#define NFSATTRBIT_FILESFREE 22
#define NFSATTRBIT_FILESTOTAL 23
#define NFSATTRBIT_FSLOCATIONS 24
#define NFSATTRBIT_HIDDEN 25
#define NFSATTRBIT_HOMOGENEOUS 26
#define NFSATTRBIT_MAXFILESIZE 27
#define NFSATTRBIT_MAXLINK 28
#define NFSATTRBIT_MAXNAME 29
#define NFSATTRBIT_MAXREAD 30
#define NFSATTRBIT_MAXWRITE 31
#define NFSATTRBIT_MIMETYPE 32
#define NFSATTRBIT_MODE 33
#define NFSATTRBIT_NOTRUNC 34
#define NFSATTRBIT_NUMLINKS 35
#define NFSATTRBIT_OWNER 36
#define NFSATTRBIT_OWNERGROUP 37
#define NFSATTRBIT_QUOTAHARD 38
#define NFSATTRBIT_QUOTASOFT 39
#define NFSATTRBIT_QUOTAUSED 40
#define NFSATTRBIT_RAWDEV 41
#define NFSATTRBIT_SPACEAVAIL 42
#define NFSATTRBIT_SPACEFREE 43
#define NFSATTRBIT_SPACETOTAL 44
#define NFSATTRBIT_SPACEUSED 45
#define NFSATTRBIT_SYSTEM 46
#define NFSATTRBIT_TIMEACCESS 47
#define NFSATTRBIT_TIMEACCESSSET 48
#define NFSATTRBIT_TIMEBACKUP 49
#define NFSATTRBIT_TIMECREATE 50
#define NFSATTRBIT_TIMEDELTA 51
#define NFSATTRBIT_TIMEMETADATA 52
#define NFSATTRBIT_TIMEMODIFY 53
#define NFSATTRBIT_TIMEMODIFYSET 54
#define NFSATTRBIT_MOUNTEDONFILEID 55
#define NFSATTRBIT_DIRNOTIFDELAY 56
#define NFSATTRBIT_DIRENTNOTIFDELAY 57
#define NFSATTRBIT_DACL 58
#define NFSATTRBIT_SACL 59
#define NFSATTRBIT_CHANGEPOLICY 60
#define NFSATTRBIT_FSSTATUS 61
#define NFSATTRBIT_FSLAYOUTTYPE 62
#define NFSATTRBIT_LAYOUTHINT 63
#define NFSATTRBIT_LAYOUTTYPE 64
#define NFSATTRBIT_LAYOUTBLKSIZE 65
#define NFSATTRBIT_LAYOUTALIGNMENT 66
#define NFSATTRBIT_FSLOCATIONSINFO 67
#define NFSATTRBIT_MDSTHRESHOLD 68
#define NFSATTRBIT_RETENTIONGET 69
#define NFSATTRBIT_RETENTIONSET 70
#define NFSATTRBIT_RETENTEVTGET 71
#define NFSATTRBIT_RETENTEVTSET 72
#define NFSATTRBIT_RETENTIONHOLD 73
#define NFSATTRBIT_MODESETMASKED 74
#define NFSATTRBIT_SUPPATTREXCLCREAT 75
#define NFSATTRBIT_FSCHARSETCAP 76

#define NFSATTRBM_SUPPORTEDATTRS 0x00000001
#define NFSATTRBM_TYPE 0x00000002
#define NFSATTRBM_FHEXPIRETYPE 0x00000004
#define NFSATTRBM_CHANGE 0x00000008
#define NFSATTRBM_SIZE 0x00000010
#define NFSATTRBM_LINKSUPPORT 0x00000020
#define NFSATTRBM_SYMLINKSUPPORT 0x00000040
#define NFSATTRBM_NAMEDATTR 0x00000080
#define NFSATTRBM_FSID 0x00000100
#define NFSATTRBM_UNIQUEHANDLES 0x00000200
#define NFSATTRBM_LEASETIME 0x00000400
#define NFSATTRBM_RDATTRERROR 0x00000800
#define NFSATTRBM_ACL 0x00001000
#define NFSATTRBM_ACLSUPPORT 0x00002000
#define NFSATTRBM_ARCHIVE 0x00004000
#define NFSATTRBM_CANSETTIME 0x00008000
#define NFSATTRBM_CASEINSENSITIVE 0x00010000
#define NFSATTRBM_CASEPRESERVING 0x00020000
#define NFSATTRBM_CHOWNRESTRICTED 0x00040000
#define NFSATTRBM_FILEHANDLE 0x00080000
#define NFSATTRBM_FILEID 0x00100000
#define NFSATTRBM_FILESAVAIL 0x00200000
#define NFSATTRBM_FILESFREE 0x00400000
#define NFSATTRBM_FILESTOTAL 0x00800000
#define NFSATTRBM_FSLOCATIONS 0x01000000
#define NFSATTRBM_HIDDEN 0x02000000
#define NFSATTRBM_HOMOGENEOUS 0x04000000
#define NFSATTRBM_MAXFILESIZE 0x08000000
#define NFSATTRBM_MAXLINK 0x10000000
#define NFSATTRBM_MAXNAME 0x20000000
#define NFSATTRBM_MAXREAD 0x40000000
#define NFSATTRBM_MAXWRITE 0x80000000
#define NFSATTRBM_MIMETYPE 0x00000001
#define NFSATTRBM_MODE 0x00000002
#define NFSATTRBM_NOTRUNC 0x00000004
#define NFSATTRBM_NUMLINKS 0x00000008
#define NFSATTRBM_OWNER 0x00000010
#define NFSATTRBM_OWNERGROUP 0x00000020
#define NFSATTRBM_QUOTAHARD 0x00000040
#define NFSATTRBM_QUOTASOFT 0x00000080
#define NFSATTRBM_QUOTAUSED 0x00000100
#define NFSATTRBM_RAWDEV 0x00000200
#define NFSATTRBM_SPACEAVAIL 0x00000400
#define NFSATTRBM_SPACEFREE 0x00000800
#define NFSATTRBM_SPACETOTAL 0x00001000
#define NFSATTRBM_SPACEUSED 0x00002000
#define NFSATTRBM_SYSTEM 0x00004000
#define NFSATTRBM_TIMEACCESS 0x00008000
#define NFSATTRBM_TIMEACCESSSET 0x00010000
#define NFSATTRBM_TIMEBACKUP 0x00020000
#define NFSATTRBM_TIMECREATE 0x00040000
#define NFSATTRBM_TIMEDELTA 0x00080000
#define NFSATTRBM_TIMEMETADATA 0x00100000
#define NFSATTRBM_TIMEMODIFY 0x00200000
#define NFSATTRBM_TIMEMODIFYSET 0x00400000
#define NFSATTRBM_MOUNTEDONFILEID 0x00800000
#define NFSATTRBM_DIRNOTIFDELAY 0x01000000
#define NFSATTRBM_DIRENTNOTIFDELAY 0x02000000
#define NFSATTRBM_DACL 0x04000000
#define NFSATTRBM_SACL 0x08000000
#define NFSATTRBM_CHANGEPOLICY 0x10000000
#define NFSATTRBM_FSSTATUS 0x20000000
#define NFSATTRBM_FSLAYOUTTYPE 0x40000000
#define NFSATTRBM_LAYOUTHINT 0x80000000
#define NFSATTRBM_LAYOUTTYPE 0x00000001
#define NFSATTRBM_LAYOUTBLKSIZE 0x00000002
#define NFSATTRBM_LAYOUTALIGNMENT 0x00000004
#define NFSATTRBM_FSLOCATIONSINFO 0x00000008
#define NFSATTRBM_MDSTHRESHOLD 0x00000010
#define NFSATTRBM_RETENTIONGET 0x00000020
#define NFSATTRBM_RETENTIONSET 0x00000040
#define NFSATTRBM_RETENTEVTGET 0x00000080
#define NFSATTRBM_RETENTEVTSET 0x00000100
#define NFSATTRBM_RETENTIONHOLD 0x00000200
#define NFSATTRBM_MODESETMASKED 0x00000400
#define NFSATTRBM_SUPPATTREXCLCREAT 0x00000800
#define NFSATTRBM_FSCHARSETCAP 0x00001000

#define NFSATTRBIT_MAX 77

/*
* Sets of attributes that are supported, by words in the bitmap.
*/
/*
* NFSATTRBIT_SUPPORTED - SUPP0 - bits 0<->31
* SUPP1 - bits 32<->63
* SUPP2 - bits 64<->95
*/
#define NFSATTRBIT_SUPP0 \
(NFSATTRBM_SUPPORTEDATTRS | \
NFSATTRBM_TYPE | \
NFSATTRBM_FHEXPIRETYPE | \
NFSATTRBM_CHANGE | \
NFSATTRBM_SIZE | \
NFSATTRBM_LINKSUPPORT | \
NFSATTRBM_SYMLINKSUPPORT | \
NFSATTRBM_NAMEDATTR | \
NFSATTRBM_FSID | \
NFSATTRBM_UNIQUEHANDLES | \
NFSATTRBM_LEASETIME | \
NFSATTRBM_RDATTRERROR | \
NFSATTRBM_ACL | \
NFSATTRBM_ACLSUPPORT | \
NFSATTRBM_CANSETTIME | \
NFSATTRBM_CASEINSENSITIVE | \
NFSATTRBM_CASEPRESERVING | \
NFSATTRBM_CHOWNRESTRICTED | \
NFSATTRBM_FILEHANDLE | \
NFSATTRBM_FILEID | \
NFSATTRBM_FILESAVAIL | \
NFSATTRBM_FILESFREE | \
NFSATTRBM_FILESTOTAL | \
NFSATTRBM_FSLOCATIONS | \
NFSATTRBM_HOMOGENEOUS | \
NFSATTRBM_MAXFILESIZE | \
NFSATTRBM_MAXLINK | \
NFSATTRBM_MAXNAME | \
NFSATTRBM_MAXREAD | \
NFSATTRBM_MAXWRITE)

/*
* NFSATTRBIT_S1 - subset of SUPP1 - OR of the following bits:
*/
#define NFSATTRBIT_S1 \
(NFSATTRBM_MODE | \
NFSATTRBM_NOTRUNC | \
NFSATTRBM_NUMLINKS | \
NFSATTRBM_OWNER | \
NFSATTRBM_OWNERGROUP | \
NFSATTRBM_RAWDEV | \
NFSATTRBM_SPACEAVAIL | \
NFSATTRBM_SPACEFREE | \
NFSATTRBM_SPACETOTAL | \
NFSATTRBM_SPACEUSED | \
NFSATTRBM_TIMEACCESS | \
NFSATTRBM_TIMEDELTA | \
NFSATTRBM_TIMEMETADATA | \
NFSATTRBM_TIMEMODIFY | \
NFSATTRBM_MOUNTEDONFILEID | \
NFSATTRBM_QUOTAHARD | \
NFSATTRBM_QUOTASOFT | \
NFSATTRBM_QUOTAUSED)

#ifdef QUOTA
/*
* If QUOTA OR in NFSATTRBIT_QUOTAHARD, NFSATTRBIT_QUOTASOFT and
* NFSATTRBIT_QUOTAUSED.
*/
#define NFSATTRBIT_SUPP1 (NFSATTRBIT_S1 | \
NFSATTRBM_QUOTAHARD | \
NFSATTRBM_QUOTASOFT | \
NFSATTRBM_QUOTAUSED)
#else
#define NFSATTRBIT_SUPP1 NFSATTRBIT_S1
#endif

#define NFSATTRBIT_SUPP2 NFSATTRBM_SUPPATTREXCLCREAT

/*
* NFSATTRBIT_SUPPSETONLY is the OR of NFSATTRBIT_TIMEACCESSSET and
* NFSATTRBIT_TIMEMODIFYSET.
*/
#define NFSATTRBIT_SUPPSETONLY (NFSATTRBM_TIMEACCESSSET | \
NFSATTRBM_TIMEMODIFYSET)

/*
* NFSATTRBIT_SETABLE - SETABLE0 - bits 0<->31
* SETABLE1 - bits 32<->63
* SETABLE2 - bits 64<->95
*/
#define NFSATTRBIT_SETABLE0 \
(NFSATTRBM_SIZE | \
NFSATTRBM_ACL)
#define NFSATTRBIT_SETABLE1 \
(NFSATTRBM_MODE | \
NFSATTRBM_OWNER | \
NFSATTRBM_OWNERGROUP | \
NFSATTRBM_TIMEACCESSSET | \
NFSATTRBM_TIMEMODIFYSET)
#define NFSATTRBIT_SETABLE2 0

/*
* Set of attributes that the getattr vnode op needs.
* OR of the following bits.
* NFSATTRBIT_GETATTR0 - bits 0<->31
*/
#define NFSATTRBIT_GETATTR0 \
(NFSATTRBM_SUPPORTEDATTRS | \
NFSATTRBM_TYPE | \
NFSATTRBM_CHANGE | \
NFSATTRBM_SIZE | \
NFSATTRBM_FSID | \
NFSATTRBM_FILEID | \
NFSATTRBM_MAXREAD)

/*
* NFSATTRBIT_GETATTR1 - bits 32<->63
*/
#define NFSATTRBIT_GETATTR1 \
(NFSATTRBM_MODE | \
NFSATTRBM_NUMLINKS | \
NFSATTRBM_OWNER | \
NFSATTRBM_OWNERGROUP | \
NFSATTRBM_RAWDEV | \
NFSATTRBM_SPACEUSED | \
NFSATTRBM_TIMEACCESS | \
NFSATTRBM_TIMEMETADATA | \
NFSATTRBM_TIMEMODIFY)

/*
* NFSATTRBIT_GETATTR2 - bits 64<->95
*/
#define NFSATTRBIT_GETATTR2 0

/*
* Subset of the above that the Write RPC gets.
* OR of the following bits.
* NFSATTRBIT_WRITEGETATTR0 - bits 0<->31
*/
#define NFSATTRBIT_WRITEGETATTR0 \
(NFSATTRBM_SUPPORTEDATTRS | \
NFSATTRBM_TYPE | \
NFSATTRBM_CHANGE | \
NFSATTRBM_SIZE | \
NFSATTRBM_FSID | \
NFSATTRBM_FILEID | \
NFSATTRBM_MAXREAD)

/*
* NFSATTRBIT_WRITEGETATTR1 - bits 32<->63
*/
#define NFSATTRBIT_WRITEGETATTR1 \
(NFSATTRBM_MODE | \
NFSATTRBM_NUMLINKS | \
NFSATTRBM_RAWDEV | \
NFSATTRBM_SPACEUSED | \
NFSATTRBM_TIMEACCESS | \
NFSATTRBM_TIMEMETADATA | \
NFSATTRBM_TIMEMODIFY)

/*
* NFSATTRBIT_WRITEGETATTR2 - bits 64<->95
*/
#define NFSATTRBIT_WRITEGETATTR2 0

/*
* Set of attributes that the wccattr operation op needs.
* OR of the following bits.
* NFSATTRBIT_WCCATTR0 - bits 0<->31
*/
#define NFSATTRBIT_WCCATTR0 0

/*
* NFSATTRBIT_WCCATTR1 - bits 32<->63
*/
#define NFSATTRBIT_WCCATTR1 \
(NFSATTRBM_TIMEMODIFY)

/*
* NFSATTRBIT_WCCATTR2 - bits 64<->95
*/
#define NFSATTRBIT_WCCATTR2 0

/*
* NFSATTRBIT_CBGETATTR0 - bits 0<->31
*/
#define NFSATTRBIT_CBGETATTR0 (NFSATTRBM_CHANGE | NFSATTRBM_SIZE)

/*
* NFSATTRBIT_CBGETATTR1 - bits 32<->63
*/
#define NFSATTRBIT_CBGETATTR1 0x0

/*
* NFSATTRBIT_CBGETATTR2 - bits 64<->95
*/
#define NFSATTRBIT_CBGETATTR2 0x0

/*
* Sets of attributes that require a VFS_STATFS() call to get the
* values of.
* NFSATTRBIT_STATFS0 - bits 0<->31
*/
#define NFSATTRBIT_STATFS0 \
(NFSATTRBM_LINKSUPPORT | \
NFSATTRBM_SYMLINKSUPPORT | \
NFSATTRBM_CANSETTIME | \
NFSATTRBM_FILESAVAIL | \
NFSATTRBM_FILESFREE | \
NFSATTRBM_FILESTOTAL | \
NFSATTRBM_HOMOGENEOUS | \
NFSATTRBM_MAXFILESIZE | \
NFSATTRBM_MAXNAME | \
NFSATTRBM_MAXREAD | \
NFSATTRBM_MAXWRITE)

/*
* NFSATTRBIT_STATFS1 - bits 32<->63
*/
#define NFSATTRBIT_STATFS1 \
(NFSATTRBM_QUOTAHARD | \
NFSATTRBM_QUOTASOFT | \
NFSATTRBM_QUOTAUSED | \
NFSATTRBM_SPACEAVAIL | \
NFSATTRBM_SPACEFREE | \
NFSATTRBM_SPACETOTAL | \
NFSATTRBM_SPACEUSED | \
NFSATTRBM_TIMEDELTA)

/*
* NFSATTRBIT_STATFS2 - bits 64<->95
*/
#define NFSATTRBIT_STATFS2 0

/*
* These are the bits that are needed by the nfs_statfs() call.
* (The regular getattr bits are or'd in so the vnode gets the correct
* type, etc.)
* NFSGETATTRBIT_STATFS0 - bits 0<->31
*/
#define NFSGETATTRBIT_STATFS0 (NFSATTRBIT_GETATTR0 | \
NFSATTRBM_LINKSUPPORT | \
NFSATTRBM_SYMLINKSUPPORT | \
NFSATTRBM_CANSETTIME | \
NFSATTRBM_FILESFREE | \
NFSATTRBM_FILESTOTAL | \
NFSATTRBM_HOMOGENEOUS | \
NFSATTRBM_MAXFILESIZE | \
NFSATTRBM_MAXNAME | \
NFSATTRBM_MAXREAD | \
NFSATTRBM_MAXWRITE)

/*
* NFSGETATTRBIT_STATFS1 - bits 32<->63
*/
#define NFSGETATTRBIT_STATFS1 (NFSATTRBIT_GETATTR1 | \
NFSATTRBM_SPACEAVAIL | \
NFSATTRBM_SPACEFREE | \
NFSATTRBM_SPACETOTAL | \
NFSATTRBM_TIMEDELTA)

/*
* NFSGETATTRBIT_STATFS2 - bits 64<->95
*/
#define NFSGETATTRBIT_STATFS2 0

/*
* Set of attributes for the equivalent of an nfsv3 pathconf rpc.
* NFSGETATTRBIT_PATHCONF0 - bits 0<->31
*/
#define NFSGETATTRBIT_PATHCONF0 (NFSATTRBIT_GETATTR0 | \
NFSATTRBM_CASEINSENSITIVE | \
NFSATTRBM_CASEPRESERVING | \
NFSATTRBM_CHOWNRESTRICTED | \
NFSATTRBM_MAXLINK | \
NFSATTRBM_MAXNAME)

/*
* NFSGETATTRBIT_PATHCONF1 - bits 32<->63
*/
#define NFSGETATTRBIT_PATHCONF1 (NFSATTRBIT_GETATTR1 | \
NFSATTRBM_NOTRUNC)

/*
* NFSGETATTRBIT_PATHCONF2 - bits 64<->95
*/
#define NFSGETATTRBIT_PATHCONF2 0

/*
* Sets of attributes required by readdir and readdirplus.
* NFSATTRBIT_READDIRPLUS0 (NFSATTRBIT_GETATTR0 | NFSATTRBIT_FILEHANDLE |
* NFSATTRBIT_RDATTRERROR)
*/
#define NFSATTRBIT_READDIRPLUS0 (NFSATTRBIT_GETATTR0 | NFSATTRBM_FILEHANDLE | \
NFSATTRBM_RDATTRERROR)
#define NFSATTRBIT_READDIRPLUS1 NFSATTRBIT_GETATTR1
#define NFSATTRBIT_READDIRPLUS2 0

/*
* Set of attributes supported by Referral vnodes.
*/
#define NFSATTRBIT_REFERRAL0 (NFSATTRBM_TYPE | NFSATTRBM_FSID | \
NFSATTRBM_RDATTRERROR | NFSATTRBM_FSLOCATIONS)
#define NFSATTRBIT_REFERRAL1 NFSATTRBM_MOUNTEDONFILEID
#define NFSATTRBIT_REFERRAL2 0

/*
* Structure for data handled by the statfs rpc. Since some fields are
* u_int64_t, this cannot be used for copying data on/off the wire, due
* to alignment concerns.
*/
struct nfsstatfs {
union {
struct {
u_int32_t nfsv2sf_tsize;
u_int32_t nfsv2sf_bsize;
u_int32_t nfsv2sf_blocks;
u_int32_t nfsv2sf_bfree;
u_int32_t nfsv2sf_bavail;
} sf_nfsv2;
struct {
u_int64_t nfsv3sf_tbytes;
u_int64_t nfsv3sf_fbytes;
u_int64_t nfsv3sf_abytes;
u_int64_t nfsv3sf_tfiles;
u_int64_t nfsv3sf_ffiles;
u_int64_t nfsv3sf_afiles;
u_int32_t nfsv3sf_invarsec;
} sf_nfsv3;
} sf_un;
};

#define sf_tsize sf_un.sf_nfsv2.nfsv2sf_tsize
#define sf_bsize sf_un.sf_nfsv2.nfsv2sf_bsize
#define sf_blocks sf_un.sf_nfsv2.nfsv2sf_blocks
#define sf_bfree sf_un.sf_nfsv2.nfsv2sf_bfree
#define sf_bavail sf_un.sf_nfsv2.nfsv2sf_bavail
#define sf_tbytes sf_un.sf_nfsv3.nfsv3sf_tbytes
#define sf_fbytes sf_un.sf_nfsv3.nfsv3sf_fbytes
#define sf_abytes sf_un.sf_nfsv3.nfsv3sf_abytes
#define sf_tfiles sf_un.sf_nfsv3.nfsv3sf_tfiles
#define sf_ffiles sf_un.sf_nfsv3.nfsv3sf_ffiles
#define sf_afiles sf_un.sf_nfsv3.nfsv3sf_afiles
#define sf_invarsec sf_un.sf_nfsv3.nfsv3sf_invarsec

/*
* Now defined using u_int64_t for the 64 bit field(s).
* (Cannot be used to move data on/off the wire, due to alignment concerns.)
*/
struct nfsfsinfo {
u_int32_t fs_rtmax;
u_int32_t fs_rtpref;
u_int32_t fs_rtmult;
u_int32_t fs_wtmax;
u_int32_t fs_wtpref;
u_int32_t fs_wtmult;
u_int32_t fs_dtpref;
u_int64_t fs_maxfilesize;
struct timespec fs_timedelta;
u_int32_t fs_properties;
};

/*
* Bits for fs_properties
*/
#define NFSV3_FSFLINK 0x1
#define NFSV3_FSFSYMLINK 0x2
#define NFSV3_FSFHOMOGENEOUS 0x4
#define NFSV3_FSFCANSETTIME 0x8

/*
* Yikes, overload fs_rtmult as fs_maxname for V4.
*/
#define fs_maxname fs_rtmult

struct nfsv3_pathconf {
u_int32_t pc_linkmax;
u_int32_t pc_namemax;
u_int32_t pc_notrunc;
u_int32_t pc_chownrestricted;
u_int32_t pc_caseinsensitive;
u_int32_t pc_casepreserving;
};

/*
* NFS V4 data structures.
*/
struct nfsv4stateid {
u_int32_t seqid;
u_int32_t other[NFSX_STATEIDOTHER / NFSX_UNSIGNED];
};
typedef struct nfsv4stateid nfsv4stateid_t;

#endif /* _NFS_NFSPROTO_H_ */