The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/fs/nfs/nfsproto.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-3-Clause
    3  *
    4  * Copyright (c) 1989, 1993
    5  *      The Regents of the University of California.  All rights reserved.
    6  *
    7  * This code is derived from software contributed to Berkeley by
    8  * Rick Macklem at The University of Guelph.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. Neither the name of the University nor the names of its contributors
   19  *    may be used to endorse or promote products derived from this software
   20  *    without specific prior written permission.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   32  * SUCH DAMAGE.
   33  *
   34  * $FreeBSD$
   35  */
   36 
   37 #ifndef _NFS_NFSPROTO_H_
   38 #define _NFS_NFSPROTO_H_
   39 
   40 /*
   41  * nfs definitions as per the Version 2, 3 and 4 specs
   42  */
   43 
   44 /*
   45  * Constants as defined in the NFS Version 2, 3 and 4 specs.
   46  * "NFS: Network File System Protocol Specification" RFC1094
   47  * and in the "NFS: Network File System Version 3 Protocol
   48  * Specification"
   49  */
   50 
   51 #define NFS_PORT        2049
   52 #define NFS_PROG        100003
   53 #define NFS_CALLBCKPROG 0x40000000      /* V4 only */
   54 #define NFS_VER2        2
   55 #define NFS_VER3        3
   56 #define NFS_VER4        4
   57 #define NFS_V2MAXDATA   8192
   58 #define NFS_MAXDGRAMDATA 16384
   59 #define NFS_MAXPATHLEN  1024
   60 #define NFS_MAXNAMLEN   255
   61 /*
   62  * Calculating the maximum XDR overhead for an NFS RPC isn't easy.
   63  * NFS_MAXPKTHDR is antiquated and assumes AUTH_SYS over UDP.
   64  * NFS_MAXXDR should be sufficient for all NFS versions over TCP.
   65  * It includes:
   66  * - Maximum RPC message header. It can include 2 400byte authenticators plus
   67  *   a machine name of unlimited length, although it is usually relatively
   68  *   small.
   69  * - XDR overheads for the NFSv4 compound. This can include Owner and
   70  *   Owner_group strings, which are usually fairly small, but are allowed
   71  *   to be up to 1024 bytes each.
   72  * 4096 is overkill, but should always be sufficient.
   73  */
   74 #define NFS_MAXPKTHDR   404
   75 #define NFS_MAXXDR      4096
   76 #define NFS_MAXPACKET   (NFS_SRVMAXIO + NFS_MAXXDR)
   77 #define NFS_MINPACKET   20
   78 #define NFS_FABLKSIZE   512     /* Size in bytes of a block wrt fa_blocks */
   79 #define NFSV4_MINORVERSION      0       /* V4 Minor version */
   80 #define NFSV41_MINORVERSION     1       /* V4 Minor version */
   81 #define NFSV4_CBVERS            1       /* V4 CB Version */
   82 #define NFSV41_CBVERS           4       /* V4.1 CB Version */
   83 #define NFSV4_SMALLSTR  50              /* Strings small enough for stack */
   84 
   85 /*
   86  * This value isn't a fixed value in the RFCs.
   87  * It is the maximum data size supported by NFSv3 or NFSv4 over TCP for
   88  * the server.  It should be set to the I/O size preferred by ZFS or
   89  * MAXBSIZE, whichever is greater.
   90  * ZFS currently prefers 128K.
   91  * It used to be called NFS_MAXDATA, but has been renamed to clarify that
   92  * it refers to server side only and doesn't conflict with the NFS_MAXDATA
   93  * defined in rpcsvc/nfs_prot.h for userland.
   94  */
   95 #define NFS_SRVMAXIO    (128 * 1024)
   96 
   97 /* Stat numbers for rpc returns (version 2, 3 and 4) */
   98 /*
   99  * These numbers are hard-wired in the RFCs, so they can't be changed.
  100  * The code currently assumes that the ones < 10000 are the same as
  101  * sys/errno.h and that sys/errno.h will never go as high as 10000.
  102  * If the value in sys/errno.h of any entry listed below is changed,
  103  * the NFS code must be modified to do the mapping between them.
  104  * (You can ignore NFSERR_WFLUSH, since it is never actually used.)
  105  */
  106 #define NFSERR_OK               0
  107 #define NFSERR_PERM             1
  108 #define NFSERR_NOENT            2
  109 #define NFSERR_IO               5
  110 #define NFSERR_NXIO             6
  111 #define NFSERR_ACCES            13
  112 #define NFSERR_EXIST            17
  113 #define NFSERR_XDEV             18      /* Version 3, 4 only */
  114 #define NFSERR_NODEV            19
  115 #define NFSERR_NOTDIR           20
  116 #define NFSERR_ISDIR            21
  117 #define NFSERR_INVAL            22      /* Version 3, 4 only */
  118 #define NFSERR_FBIG             27
  119 #define NFSERR_NOSPC            28
  120 #define NFSERR_ROFS             30
  121 #define NFSERR_MLINK            31      /* Version 3, 4 only */
  122 #define NFSERR_NAMETOL          63
  123 #define NFSERR_NOTEMPTY         66
  124 #define NFSERR_DQUOT            69
  125 #define NFSERR_STALE            70
  126 #define NFSERR_REMOTE           71      /* Version 3 only */
  127 #define NFSERR_WFLUSH           99      /* Version 2 only */
  128 #define NFSERR_BADHANDLE        10001   /* These are Version 3, 4 only */
  129 #define NFSERR_NOT_SYNC         10002   /* Version 3 Only */
  130 #define NFSERR_BAD_COOKIE       10003
  131 #define NFSERR_NOTSUPP          10004
  132 #define NFSERR_TOOSMALL         10005
  133 #define NFSERR_SERVERFAULT      10006
  134 #define NFSERR_BADTYPE          10007
  135 #define NFSERR_DELAY            10008   /* Called NFSERR_JUKEBOX for V3 */
  136 #define NFSERR_SAME             10009   /* These are Version 4 only */
  137 #define NFSERR_DENIED           10010
  138 #define NFSERR_EXPIRED          10011
  139 #define NFSERR_LOCKED           10012
  140 #define NFSERR_GRACE            10013
  141 #define NFSERR_FHEXPIRED        10014
  142 #define NFSERR_SHAREDENIED      10015
  143 #define NFSERR_WRONGSEC         10016
  144 #define NFSERR_CLIDINUSE        10017
  145 #define NFSERR_RESOURCE         10018
  146 #define NFSERR_MOVED            10019
  147 #define NFSERR_NOFILEHANDLE     10020
  148 #define NFSERR_MINORVERMISMATCH 10021
  149 #define NFSERR_STALECLIENTID    10022
  150 #define NFSERR_STALESTATEID     10023
  151 #define NFSERR_OLDSTATEID       10024
  152 #define NFSERR_BADSTATEID       10025
  153 #define NFSERR_BADSEQID         10026
  154 #define NFSERR_NOTSAME          10027
  155 #define NFSERR_LOCKRANGE        10028
  156 #define NFSERR_SYMLINK          10029
  157 #define NFSERR_RESTOREFH        10030
  158 #define NFSERR_LEASEMOVED       10031
  159 #define NFSERR_ATTRNOTSUPP      10032
  160 #define NFSERR_NOGRACE          10033
  161 #define NFSERR_RECLAIMBAD       10034
  162 #define NFSERR_RECLAIMCONFLICT  10035
  163 #define NFSERR_BADXDR           10036
  164 #define NFSERR_LOCKSHELD        10037
  165 #define NFSERR_OPENMODE         10038
  166 #define NFSERR_BADOWNER         10039
  167 #define NFSERR_BADCHAR          10040
  168 #define NFSERR_BADNAME          10041
  169 #define NFSERR_BADRANGE         10042
  170 #define NFSERR_LOCKNOTSUPP      10043
  171 #define NFSERR_OPILLEGAL        10044
  172 #define NFSERR_DEADLOCK         10045
  173 #define NFSERR_FILEOPEN         10046
  174 #define NFSERR_ADMINREVOKED     10047
  175 #define NFSERR_CBPATHDOWN       10048
  176 
  177 /* NFSv4.1 specific errors. */
  178 #define NFSERR_BADIOMODE        10049
  179 #define NFSERR_BADLAYOUT        10050
  180 #define NFSERR_BADSESSIONDIGEST 10051
  181 #define NFSERR_BADSESSION       10052
  182 #define NFSERR_BADSLOT          10053
  183 #define NFSERR_COMPLETEALREADY  10054
  184 #define NFSERR_NOTBNDTOSESS     10055
  185 #define NFSERR_DELEGALREADYWANT 10056
  186 #define NFSERR_BACKCHANBUSY     10057
  187 #define NFSERR_LAYOUTTRYLATER   10058
  188 #define NFSERR_LAYOUTUNAVAIL    10059
  189 #define NFSERR_NOMATCHLAYOUT    10060
  190 #define NFSERR_RECALLCONFLICT   10061
  191 #define NFSERR_UNKNLAYOUTTYPE   10062
  192 #define NFSERR_SEQMISORDERED    10063
  193 #define NFSERR_SEQUENCEPOS      10064
  194 #define NFSERR_REQTOOBIG        10065
  195 #define NFSERR_REPTOOBIG        10066
  196 #define NFSERR_REPTOOBIGTOCACHE 10067
  197 #define NFSERR_RETRYUNCACHEDREP 10068
  198 #define NFSERR_UNSAFECOMPOUND   10069
  199 #define NFSERR_TOOMANYOPS       10070
  200 #define NFSERR_OPNOTINSESS      10071
  201 #define NFSERR_HASHALGUNSUPP    10072
  202 #define NFSERR_CLIENTIDBUSY     10074
  203 #define NFSERR_PNFSIOHOLE       10075
  204 #define NFSERR_SEQFALSERETRY    10076
  205 #define NFSERR_BADHIGHSLOT      10077
  206 #define NFSERR_DEADSESSION      10078
  207 #define NFSERR_ENCRALGUNSUPP    10079
  208 #define NFSERR_PNFSNOLAYOUT     10080
  209 #define NFSERR_NOTONLYOP        10081
  210 #define NFSERR_WRONGCRED        10082
  211 #define NFSERR_WRONGTYPE        10083
  212 #define NFSERR_DIRDELEGUNAVAIL  10084
  213 #define NFSERR_REJECTDELEG      10085
  214 #define NFSERR_RETURNCONFLICT   10086
  215 #define NFSERR_DELEGREVOKED     10087
  216 
  217 #define NFSERR_STALEWRITEVERF   30001   /* Fake return for nfs_commit() */
  218 #define NFSERR_DONTREPLY        30003   /* Don't process request */
  219 #define NFSERR_RETVOID          30004   /* Return void, not error */
  220 #define NFSERR_REPLYFROMCACHE   30005   /* Reply from recent request cache */
  221 #define NFSERR_STALEDONTRECOVER 30006   /* Don't initiate recovery */
  222 
  223 #define NFSERR_RPCERR           0x40000000 /* Mark an RPC layer error */
  224 #define NFSERR_AUTHERR          0x80000000 /* Mark an authentication error */
  225 
  226 #define NFSERR_RPCMISMATCH      (NFSERR_RPCERR | RPC_MISMATCH)
  227 #define NFSERR_PROGUNAVAIL      (NFSERR_RPCERR | RPC_PROGUNAVAIL)
  228 #define NFSERR_PROGMISMATCH     (NFSERR_RPCERR | RPC_PROGMISMATCH)
  229 #define NFSERR_PROGNOTV4        (NFSERR_RPCERR | 0xffff)
  230 #define NFSERR_PROCUNAVAIL      (NFSERR_RPCERR | RPC_PROCUNAVAIL)
  231 #define NFSERR_GARBAGE          (NFSERR_RPCERR | RPC_GARBAGE)
  232 
  233 /* Sizes in bytes of various nfs rpc components */
  234 #define NFSX_UNSIGNED   4
  235 #define NFSX_HYPER      (2 * NFSX_UNSIGNED)
  236 
  237 /* specific to NFS Version 2 */
  238 #define NFSX_V2FH       32
  239 #define NFSX_V2FATTR    68
  240 #define NFSX_V2SATTR    32
  241 #define NFSX_V2COOKIE   4
  242 #define NFSX_V2STATFS   20
  243 
  244 /* specific to NFS Version 3 */
  245 #define NFSX_V3FHMAX            64      /* max. allowed by protocol */
  246 #define NFSX_V3FATTR            84
  247 #define NFSX_V3SATTR            60      /* max. all fields filled in */
  248 #define NFSX_V3SRVSATTR         (sizeof (struct nfsv3_sattr))
  249 #define NFSX_V3POSTOPATTR       (NFSX_V3FATTR + NFSX_UNSIGNED)
  250 #define NFSX_V3WCCDATA          (NFSX_V3POSTOPATTR + 8 * NFSX_UNSIGNED)
  251 #define NFSX_V3STATFS           52
  252 #define NFSX_V3FSINFO           48
  253 #define NFSX_V3PATHCONF         24
  254 
  255 /* specific to NFS Version 4 */
  256 #define NFSX_V4FHMAX            128
  257 #define NFSX_V4FSID             (2 * NFSX_HYPER)
  258 #define NFSX_V4SPECDATA         (2 * NFSX_UNSIGNED)
  259 #define NFSX_V4TIME             (NFSX_HYPER + NFSX_UNSIGNED)
  260 #define NFSX_V4SETTIME          (NFSX_UNSIGNED + NFSX_V4TIME)
  261 #define NFSX_V4SESSIONID        16
  262 #define NFSX_V4DEVICEID         16
  263 #define NFSX_V4PNFSFH           (sizeof(fhandle_t) + 1)
  264 #define NFSX_V4FILELAYOUT       (4 * NFSX_UNSIGNED + NFSX_V4DEVICEID +  \
  265                                  NFSX_HYPER + NFSM_RNDUP(NFSX_V4PNFSFH))
  266 #define NFSX_V4FLEXLAYOUT(m)    (NFSX_HYPER + 3 * NFSX_UNSIGNED +               \
  267     ((m) * (NFSX_V4DEVICEID + NFSX_STATEID + NFSM_RNDUP(NFSX_V4PNFSFH) +        \
  268     8 * NFSX_UNSIGNED)))
  269 
  270 /* sizes common to multiple NFS versions */
  271 #define NFSX_FHMAX              (NFSX_V4FHMAX)
  272 #define NFSX_MYFH               (sizeof (fhandle_t)) /* size this server uses */
  273 #define NFSX_VERF               8
  274 #define NFSX_STATEIDOTHER       12
  275 #define NFSX_STATEID            (NFSX_UNSIGNED + NFSX_STATEIDOTHER)
  276 #define NFSX_GSSH               12
  277 
  278 /* variants for multiple versions */
  279 #define NFSX_STATFS(v3)         ((v3) ? NFSX_V3STATFS : NFSX_V2STATFS)
  280 
  281 /*
  282  * Beware.  NFSPROC_NULL and friends are defined in
  283  * <rpcsvc/nfs_prot.h> as well and the numbers are different.
  284  */
  285 #ifndef NFSPROC_NULL
  286 /* nfs rpc procedure numbers (before version mapping) */
  287 #define NFSPROC_NULL            0
  288 #define NFSPROC_GETATTR         1
  289 #define NFSPROC_SETATTR         2
  290 #define NFSPROC_LOOKUP          3
  291 #define NFSPROC_ACCESS          4
  292 #define NFSPROC_READLINK        5
  293 #define NFSPROC_READ            6
  294 #define NFSPROC_WRITE           7
  295 #define NFSPROC_CREATE          8
  296 #define NFSPROC_MKDIR           9
  297 #define NFSPROC_SYMLINK         10
  298 #define NFSPROC_MKNOD           11
  299 #define NFSPROC_REMOVE          12
  300 #define NFSPROC_RMDIR           13
  301 #define NFSPROC_RENAME          14
  302 #define NFSPROC_LINK            15
  303 #define NFSPROC_READDIR         16
  304 #define NFSPROC_READDIRPLUS     17
  305 #define NFSPROC_FSSTAT          18
  306 #define NFSPROC_FSINFO          19
  307 #define NFSPROC_PATHCONF        20
  308 #define NFSPROC_COMMIT          21
  309 #endif  /* NFSPROC_NULL */
  310 
  311 /*
  312  * The lower numbers -> 21 are used by NFSv2 and v3. These define higher
  313  * numbers used by NFSv4.
  314  * NFS_V3NPROCS is one greater than the last V3 op and NFS_NPROCS is
  315  * one greater than the last number.
  316  */
  317 #ifndef NFS_V3NPROCS
  318 #define NFS_V3NPROCS            22
  319 
  320 #define NFSPROC_LOOKUPP         22
  321 #define NFSPROC_SETCLIENTID     23
  322 #define NFSPROC_SETCLIENTIDCFRM 24
  323 #define NFSPROC_LOCK            25
  324 #define NFSPROC_LOCKU           26
  325 #define NFSPROC_OPEN            27
  326 #define NFSPROC_CLOSE           28
  327 #define NFSPROC_OPENCONFIRM     29
  328 #define NFSPROC_LOCKT           30
  329 #define NFSPROC_OPENDOWNGRADE   31
  330 #define NFSPROC_RENEW           32
  331 #define NFSPROC_PUTROOTFH       33
  332 #define NFSPROC_RELEASELCKOWN   34
  333 #define NFSPROC_DELEGRETURN     35
  334 #define NFSPROC_RETDELEGREMOVE  36
  335 #define NFSPROC_RETDELEGRENAME1 37
  336 #define NFSPROC_RETDELEGRENAME2 38
  337 #define NFSPROC_GETACL          39
  338 #define NFSPROC_SETACL          40
  339 
  340 /*
  341  * Must be defined as one higher than the last Proc# above.
  342  */
  343 #define NFSV4_NPROCS            41
  344 
  345 /* Additional procedures for NFSv4.1. */
  346 #define NFSPROC_EXCHANGEID      41
  347 #define NFSPROC_CREATESESSION   42
  348 #define NFSPROC_DESTROYSESSION  43
  349 #define NFSPROC_DESTROYCLIENT   44
  350 #define NFSPROC_FREESTATEID     45
  351 #define NFSPROC_LAYOUTGET       46
  352 #define NFSPROC_GETDEVICEINFO   47
  353 #define NFSPROC_LAYOUTCOMMIT    48
  354 #define NFSPROC_LAYOUTRETURN    49
  355 #define NFSPROC_RECLAIMCOMPL    50
  356 #define NFSPROC_WRITEDS         51
  357 #define NFSPROC_READDS          52
  358 #define NFSPROC_COMMITDS        53
  359 #define NFSPROC_OPENLAYGET      54
  360 #define NFSPROC_CREATELAYGET    55
  361 
  362 /* BindConnectionToSession, done by the krpc for a new connection. */
  363 #define NFSPROC_BINDCONNTOSESS  56
  364 
  365 /*
  366  * Must be defined as one higher than the last NFSv4.1 Proc# above.
  367  */
  368 #define NFSV41_NPROCS           57
  369 
  370 #endif  /* NFS_V3NPROCS */
  371 
  372 /*
  373  * Define NFS_NPROCS as NFSV4_NPROCS for the experimental kernel code.
  374  */
  375 #ifndef NFS_NPROCS
  376 #define NFS_NPROCS              NFSV4_NPROCS
  377 #endif
  378 
  379 /*
  380  * NFSPROC_NOOP is a fake op# that can't be the same as any V2/3/4 Procedure
  381  * or Operation#. Since the NFS V4 Op #s go higher, use NFSV42_NOPS, which
  382  * is one greater than the highest Op#.
  383  */
  384 #define NFSPROC_NOOP            NFSV42_NOPS
  385 
  386 /* Actual Version 2 procedure numbers */
  387 #define NFSV2PROC_NULL          0
  388 #define NFSV2PROC_GETATTR       1
  389 #define NFSV2PROC_SETATTR       2
  390 #define NFSV2PROC_NOOP          3
  391 #define NFSV2PROC_ROOT          NFSV2PROC_NOOP  /* Obsolete */
  392 #define NFSV2PROC_LOOKUP        4
  393 #define NFSV2PROC_READLINK      5
  394 #define NFSV2PROC_READ          6
  395 #define NFSV2PROC_WRITECACHE    NFSV2PROC_NOOP  /* Obsolete */
  396 #define NFSV2PROC_WRITE         8
  397 #define NFSV2PROC_CREATE        9
  398 #define NFSV2PROC_REMOVE        10
  399 #define NFSV2PROC_RENAME        11
  400 #define NFSV2PROC_LINK          12
  401 #define NFSV2PROC_SYMLINK       13
  402 #define NFSV2PROC_MKDIR         14
  403 #define NFSV2PROC_RMDIR         15
  404 #define NFSV2PROC_READDIR       16
  405 #define NFSV2PROC_STATFS        17
  406 
  407 /*
  408  * V4 Procedure numbers
  409  */
  410 #define NFSV4PROC_COMPOUND      1
  411 #define NFSV4PROC_CBNULL        0
  412 #define NFSV4PROC_CBCOMPOUND    1
  413 
  414 /*
  415  * Constants used by the Version 3 and 4 protocols for various RPCs
  416  */
  417 #define NFSV3SATTRTIME_DONTCHANGE       0
  418 #define NFSV3SATTRTIME_TOSERVER         1
  419 #define NFSV3SATTRTIME_TOCLIENT         2
  420 
  421 #define NFSV4SATTRTIME_TOSERVER         0
  422 #define NFSV4SATTRTIME_TOCLIENT         1
  423 
  424 #define NFSV4LOCKT_READ                 1
  425 #define NFSV4LOCKT_WRITE                2
  426 #define NFSV4LOCKT_READW                3
  427 #define NFSV4LOCKT_WRITEW               4
  428 #define NFSV4LOCKT_RELEASE              5
  429 
  430 #define NFSV4OPEN_NOCREATE              0
  431 #define NFSV4OPEN_CREATE                1
  432 #define NFSV4OPEN_CLAIMNULL             0
  433 #define NFSV4OPEN_CLAIMPREVIOUS         1
  434 #define NFSV4OPEN_CLAIMDELEGATECUR      2
  435 #define NFSV4OPEN_CLAIMDELEGATEPREV     3
  436 #define NFSV4OPEN_CLAIMFH               4
  437 #define NFSV4OPEN_CLAIMDELEGATECURFH    5
  438 #define NFSV4OPEN_CLAIMDELEGATEPREVFH   6
  439 #define NFSV4OPEN_DELEGATENONE          0
  440 #define NFSV4OPEN_DELEGATEREAD          1
  441 #define NFSV4OPEN_DELEGATEWRITE         2
  442 #define NFSV4OPEN_DELEGATENONEEXT       3
  443 #define NFSV4OPEN_LIMITSIZE             1
  444 #define NFSV4OPEN_LIMITBLOCKS           2
  445 
  446 /*
  447  * Nfs V4 ACE stuff
  448  */
  449 #define NFSV4ACE_ALLOWEDTYPE            0x00000000
  450 #define NFSV4ACE_DENIEDTYPE             0x00000001
  451 #define NFSV4ACE_AUDITTYPE              0x00000002
  452 #define NFSV4ACE_ALARMTYPE              0x00000003
  453 
  454 #define NFSV4ACE_SUPALLOWED             0x00000001
  455 #define NFSV4ACE_SUPDENIED              0x00000002
  456 #define NFSV4ACE_SUPAUDIT               0x00000004
  457 #define NFSV4ACE_SUPALARM               0x00000008
  458 
  459 #define NFSV4ACE_SUPTYPES       (NFSV4ACE_SUPALLOWED | NFSV4ACE_SUPDENIED)
  460 
  461 #define NFSV4ACE_FILEINHERIT            0x00000001
  462 #define NFSV4ACE_DIRECTORYINHERIT       0x00000002
  463 #define NFSV4ACE_NOPROPAGATEINHERIT     0x00000004
  464 #define NFSV4ACE_INHERITONLY            0x00000008
  465 #define NFSV4ACE_SUCCESSFULACCESS       0x00000010
  466 #define NFSV4ACE_FAILEDACCESS           0x00000020
  467 #define NFSV4ACE_IDENTIFIERGROUP        0x00000040
  468 
  469 #define NFSV4ACE_READDATA               0x00000001
  470 #define NFSV4ACE_LISTDIRECTORY          0x00000001
  471 #define NFSV4ACE_WRITEDATA              0x00000002
  472 #define NFSV4ACE_ADDFILE                0x00000002
  473 #define NFSV4ACE_APPENDDATA             0x00000004
  474 #define NFSV4ACE_ADDSUBDIRECTORY        0x00000004
  475 #define NFSV4ACE_READNAMEDATTR          0x00000008
  476 #define NFSV4ACE_WRITENAMEDATTR         0x00000010
  477 #define NFSV4ACE_EXECUTE                0x00000020
  478 #define NFSV4ACE_SEARCH                 0x00000020
  479 #define NFSV4ACE_DELETECHILD            0x00000040
  480 #define NFSV4ACE_READATTRIBUTES         0x00000080
  481 #define NFSV4ACE_WRITEATTRIBUTES        0x00000100
  482 #define NFSV4ACE_DELETE                 0x00010000
  483 #define NFSV4ACE_READACL                0x00020000
  484 #define NFSV4ACE_WRITEACL               0x00040000
  485 #define NFSV4ACE_WRITEOWNER             0x00080000
  486 #define NFSV4ACE_SYNCHRONIZE            0x00100000
  487 
  488 /*
  489  * Here are the mappings between mode bits and acl mask bits for
  490  * directories and other files.
  491  * (Named attributes have not been included, since named attributes are
  492  *  not yet supported.)
  493  * The mailing list seems to indicate that NFSV4ACE_EXECUTE refers to
  494  * searching a directory, although I can't find a statement of that in
  495  * the RFC.
  496  */
  497 #define NFSV4ACE_ALLFILESMASK   (NFSV4ACE_READATTRIBUTES | NFSV4ACE_READACL)
  498 #define NFSV4ACE_OWNERMASK      (NFSV4ACE_WRITEATTRIBUTES | NFSV4ACE_WRITEACL)
  499 #define NFSV4ACE_DIRREADMASK    NFSV4ACE_LISTDIRECTORY
  500 #define NFSV4ACE_DIREXECUTEMASK NFSV4ACE_EXECUTE
  501 #define NFSV4ACE_DIRWRITEMASK   (NFSV4ACE_ADDFILE |                     \
  502                 NFSV4ACE_ADDSUBDIRECTORY | NFSV4ACE_DELETECHILD)
  503 #define NFSV4ACE_READMASK       NFSV4ACE_READDATA
  504 #define NFSV4ACE_WRITEMASK      (NFSV4ACE_WRITEDATA | NFSV4ACE_APPENDDATA)
  505 #define NFSV4ACE_EXECUTEMASK    NFSV4ACE_EXECUTE
  506 #define NFSV4ACE_ALLFILEBITS    (NFSV4ACE_READMASK | NFSV4ACE_WRITEMASK | \
  507         NFSV4ACE_EXECUTEMASK | NFSV4ACE_SYNCHRONIZE)
  508 #define NFSV4ACE_ALLDIRBITS     (NFSV4ACE_DIRREADMASK |                 \
  509         NFSV4ACE_DIRWRITEMASK | NFSV4ACE_DIREXECUTEMASK)
  510 #define NFSV4ACE_AUDITMASK      0x0
  511 
  512 /*
  513  * These GENERIC masks are not used and are no longer believed to be useful.
  514  */
  515 #define NFSV4ACE_GENERICREAD            0x00120081
  516 #define NFSV4ACE_GENERICWRITE           0x00160106
  517 #define NFSV4ACE_GENERICEXECUTE         0x001200a0
  518 
  519 #define NFSSTATEID_PUTALLZERO           0
  520 #define NFSSTATEID_PUTALLONE            1
  521 #define NFSSTATEID_PUTSTATEID           2
  522 #define NFSSTATEID_PUTSEQIDZERO         3
  523 
  524 /*
  525  * Bits for share access and deny.
  526  */
  527 #define NFSV4OPEN_ACCESSREAD            0x00000001
  528 #define NFSV4OPEN_ACCESSWRITE           0x00000002
  529 #define NFSV4OPEN_ACCESSBOTH            0x00000003
  530 #define NFSV4OPEN_WANTDELEGMASK         0x0000ff00
  531 #define NFSV4OPEN_WANTREADDELEG         0x00000100
  532 #define NFSV4OPEN_WANTWRITEDELEG        0x00000200
  533 #define NFSV4OPEN_WANTANYDELEG          0x00000300
  534 #define NFSV4OPEN_WANTNODELEG           0x00000400
  535 #define NFSV4OPEN_WANTCANCEL            0x00000500
  536 #define NFSV4OPEN_WANTSIGNALDELEG       0x00010000
  537 #define NFSV4OPEN_WANTPUSHDELEG         0x00020000
  538 
  539 #define NFSV4OPEN_DENYNONE              0x00000000
  540 #define NFSV4OPEN_DENYREAD              0x00000001
  541 #define NFSV4OPEN_DENYWRITE             0x00000002
  542 #define NFSV4OPEN_DENYBOTH              0x00000003
  543 
  544 /*
  545  * Delegate_none_ext reply values.
  546  */
  547 #define NFSV4OPEN_NOTWANTED             0
  548 #define NFSV4OPEN_CONTENTION            1
  549 #define NFSV4OPEN_RESOURCE              2
  550 #define NFSV4OPEN_NOTSUPPFTYPE          3
  551 #define NFSV4OPEN_NOTSUPPWRITEFTYPE     4
  552 #define NFSV4OPEN_NOTSUPPUPGRADE        5
  553 #define NFSV4OPEN_NOTSUPPDOWNGRADE      6
  554 #define NFSV4OPEN_CANCELLED             7
  555 #define NFSV4OPEN_ISDIR                 8
  556 
  557 /*
  558  * Open result flags
  559  * (The first four are in the spec. The rest are used internally.)
  560  */
  561 #define NFSV4OPEN_RESULTCONFIRM         0x00000002
  562 #define NFSV4OPEN_LOCKTYPEPOSIX         0x00000004
  563 #define NFSV4OPEN_PRESERVEUNLINKED      0x00000008
  564 #define NFSV4OPEN_MAYNOTIFYLOCK         0x00000020
  565 #define NFSV4OPEN_RFLAGS                                                \
  566     (NFSV4OPEN_RESULTCONFIRM | NFSV4OPEN_LOCKTYPEPOSIX |                \
  567     NFSV4OPEN_PRESERVEUNLINKED | NFSV4OPEN_MAYNOTIFYLOCK)
  568 #define NFSV4OPEN_RECALL                0x00010000
  569 #define NFSV4OPEN_READDELEGATE          0x00020000
  570 #define NFSV4OPEN_WRITEDELEGATE         0x00040000
  571 #define NFSV4OPEN_WDRESOURCE            0x00080000
  572 #define NFSV4OPEN_WDCONTENTION          0x00100000
  573 #define NFSV4OPEN_WDNOTWANTED           0x00200000
  574 #define NFSV4OPEN_WDSUPPFTYPE           0x00400000
  575 
  576 /*
  577  * NFS V4 File Handle types
  578  */
  579 #define NFSV4FHTYPE_PERSISTENT          0x0
  580 #define NFSV4FHTYPE_NOEXPIREWITHOPEN    0x1
  581 #define NFSV4FHTYPE_VOLATILEANY         0x2
  582 #define NFSV4FHTYPE_VOLATILEMIGRATE     0x4
  583 #define NFSV4FHTYPE_VOLATILERENAME      0x8
  584 
  585 /*
  586  * Maximum size of V4 opaque strings.
  587  */
  588 #define NFSV4_OPAQUELIMIT       1024
  589 
  590 /*
  591  * These are the same for V3 and V4.
  592  */
  593 #define NFSACCESS_READ                  0x01
  594 #define NFSACCESS_LOOKUP                0x02
  595 #define NFSACCESS_MODIFY                0x04
  596 #define NFSACCESS_EXTEND                0x08
  597 #define NFSACCESS_DELETE                0x10
  598 #define NFSACCESS_EXECUTE               0x20
  599 
  600 #define NFSWRITE_UNSTABLE               0
  601 #define NFSWRITE_DATASYNC               1
  602 #define NFSWRITE_FILESYNC               2
  603 
  604 #define NFSCREATE_UNCHECKED             0
  605 #define NFSCREATE_GUARDED               1
  606 #define NFSCREATE_EXCLUSIVE             2
  607 #define NFSCREATE_EXCLUSIVE41           3
  608 
  609 #define NFSV3FSINFO_LINK                0x01
  610 #define NFSV3FSINFO_SYMLINK             0x02
  611 #define NFSV3FSINFO_HOMOGENEOUS         0x08
  612 #define NFSV3FSINFO_CANSETTIME          0x10
  613 
  614 /* Flags for Exchange ID */
  615 #define NFSV4EXCH_SUPPMOVEDREFER        0x00000001
  616 #define NFSV4EXCH_SUPPMOVEDMIGR 0x00000002
  617 #define NFSV4EXCH_BINDPRINCSTATEID      0x00000100
  618 #define NFSV4EXCH_USENONPNFS            0x00010000
  619 #define NFSV4EXCH_USEPNFSMDS            0x00020000
  620 #define NFSV4EXCH_USEPNFSDS             0x00040000
  621 #define NFSV4EXCH_MASKPNFS              0x00070000
  622 #define NFSV4EXCH_UPDCONFIRMEDRECA      0x40000000
  623 #define NFSV4EXCH_CONFIRMEDR            0x80000000
  624 
  625 /* State Protects */
  626 #define NFSV4EXCH_SP4NONE               0
  627 #define NFSV4EXCH_SP4MACHCRED           1
  628 #define NFSV4EXCH_SP4SSV                2
  629 
  630 /* Flags for Create Session */
  631 #define NFSV4CRSESS_PERSIST             0x00000001
  632 #define NFSV4CRSESS_CONNBACKCHAN        0x00000002
  633 #define NFSV4CRSESS_CONNRDMA            0x00000004
  634 
  635 /* Flags for Sequence */
  636 #define NFSV4SEQ_CBPATHDOWN             0x00000001
  637 #define NFSV4SEQ_CBGSSCONTEXPIRING      0x00000002
  638 #define NFSV4SEQ_CBGSSCONTEXPIRED       0x00000004
  639 #define NFSV4SEQ_EXPIREDALLSTATEREVOKED 0x00000008
  640 #define NFSV4SEQ_EXPIREDSOMESTATEREVOKED 0x00000010
  641 #define NFSV4SEQ_ADMINSTATEREVOKED      0x00000020
  642 #define NFSV4SEQ_RECALLABLESTATEREVOKED 0x00000040
  643 #define NFSV4SEQ_LEASEMOVED             0x00000080
  644 #define NFSV4SEQ_RESTARTRECLAIMNEEDED   0x00000100
  645 #define NFSV4SEQ_CBPATHDOWNSESSION      0x00000200
  646 #define NFSV4SEQ_BACKCHANNELFAULT       0x00000400
  647 #define NFSV4SEQ_DEVIDCHANGED           0x00000800
  648 #define NFSV4SEQ_DEVIDDELETED           0x00001000
  649 
  650 /* Flags for Layout. */
  651 #define NFSLAYOUTRETURN_FILE            1
  652 #define NFSLAYOUTRETURN_FSID            2
  653 #define NFSLAYOUTRETURN_ALL             3
  654 
  655 #define NFSLAYOUT_NFSV4_1_FILES         0x1
  656 #define NFSLAYOUT_OSD2_OBJECTS          0x2
  657 #define NFSLAYOUT_BLOCK_VOLUME          0x3
  658 #define NFSLAYOUT_FLEXFILE              0x4
  659 
  660 #define NFSLAYOUTIOMODE_READ            1
  661 #define NFSLAYOUTIOMODE_RW              2
  662 #define NFSLAYOUTIOMODE_ANY             3
  663 
  664 /* Flags for Get Device Info. */
  665 #define NFSDEVICEIDNOTIFY_CHANGEBIT     0x1
  666 #define NFSDEVICEIDNOTIFY_DELETEBIT     0x2
  667 
  668 /* Flags for File Layout. */
  669 #define NFSFLAYUTIL_DENSE               0x1
  670 #define NFSFLAYUTIL_COMMIT_THRU_MDS     0x2
  671 #define NFSFLAYUTIL_STRIPE_MASK         0xffffffc0
  672 
  673 /* Flags for Flex File Layout. */
  674 #define NFSFLEXFLAG_NO_LAYOUTCOMMIT     0x00000001
  675 #define NFSFLEXFLAG_NOIO_MDS            0x00000002
  676 #define NFSFLEXFLAG_NO_READIO           0x00000004
  677 #define NFSFLEXFLAG_WRITE_ONEMIRROR     0x00000008
  678 
  679 /* Enum values for Bind Connection to Session. */
  680 #define NFSCDFC4_FORE           0x1
  681 #define NFSCDFC4_BACK           0x2
  682 #define NFSCDFC4_FORE_OR_BOTH   0x3
  683 #define NFSCDFC4_BACK_OR_BOTH   0x7
  684 #define NFSCDFS4_FORE           0x1
  685 #define NFSCDFS4_BACK           0x2
  686 #define NFSCDFS4_BOTH           0x3
  687 
  688 #if defined(_KERNEL) || defined(KERNEL)
  689 /* Conversion macros */
  690 #define vtonfsv2_mode(t,m)                                              \
  691                 txdr_unsigned(((t) == VFIFO) ? MAKEIMODE(VCHR, (m)) :   \
  692                                 MAKEIMODE((t), (m)))
  693 #define vtonfsv34_mode(m)       txdr_unsigned((m) & 07777)
  694 #define nfstov_mode(a)          (fxdr_unsigned(u_int16_t, (a))&07777)
  695 #define vtonfsv2_type(a)  (((u_int32_t)(a)) >= 9 ? txdr_unsigned(NFNON) : \
  696                 txdr_unsigned(newnfsv2_type[((u_int32_t)(a))]))
  697 #define vtonfsv34_type(a)  (((u_int32_t)(a)) >= 9 ? txdr_unsigned(NFNON) : \
  698                 txdr_unsigned(nfsv34_type[((u_int32_t)(a))]))
  699 #define nfsv2tov_type(a)        newnv2tov_type[fxdr_unsigned(u_int32_t,(a))&0x7]
  700 #define nfsv34tov_type(a)       nv34tov_type[fxdr_unsigned(u_int32_t,(a))&0x7]
  701 #define vtonfs_dtype(a) (((u_int32_t)(a)) >= 9 ? IFTODT(VTTOIF(VNON)) : \
  702                          IFTODT(VTTOIF(a)))
  703 
  704 /* File types */
  705 typedef enum { NFNON=0, NFREG=1, NFDIR=2, NFBLK=3, NFCHR=4, NFLNK=5,
  706         NFSOCK=6, NFFIFO=7, NFATTRDIR=8, NFNAMEDATTR=9 } nfstype;
  707 
  708 /* Structs for common parts of the rpc's */
  709 
  710 struct nfsv2_time {
  711         u_int32_t nfsv2_sec;
  712         u_int32_t nfsv2_usec;
  713 };
  714 typedef struct nfsv2_time       nfstime2;
  715 
  716 struct nfsv3_time {
  717         u_int32_t nfsv3_sec;
  718         u_int32_t nfsv3_nsec;
  719 };
  720 typedef struct nfsv3_time       nfstime3;
  721 
  722 struct nfsv4_time {
  723         u_int32_t nfsv4_highsec;
  724         u_int32_t nfsv4_sec;
  725         u_int32_t nfsv4_nsec;
  726 };
  727 typedef struct nfsv4_time       nfstime4;
  728 
  729 /*
  730  * Quads are defined as arrays of 2 longs to ensure dense packing for the
  731  * protocol and to facilitate xdr conversion.
  732  */
  733 struct nfs_uquad {
  734         u_int32_t nfsuquad[2];
  735 };
  736 typedef struct nfs_uquad        nfsuint64;
  737 
  738 /*
  739  * Used to convert between two u_longs and a u_quad_t.
  740  */
  741 union nfs_quadconvert {
  742         u_int32_t lval[2];
  743         u_quad_t  qval;
  744 };
  745 typedef union nfs_quadconvert   nfsquad_t;
  746 
  747 /*
  748  * NFS Version 3 special file number.
  749  */
  750 struct nfsv3_spec {
  751         u_int32_t specdata1;
  752         u_int32_t specdata2;
  753 };
  754 typedef struct nfsv3_spec       nfsv3spec;
  755 
  756 /*
  757  * File attributes and setable attributes. These structures cover both
  758  * NFS version 2 and the version 3 protocol. Note that the union is only
  759  * used so that one pointer can refer to both variants. These structures
  760  * go out on the wire and must be densely packed, so no quad data types
  761  * are used. (all fields are longs or u_longs or structures of same)
  762  * NB: You can't do sizeof(struct nfs_fattr), you must use the
  763  *     NFSX_FATTR(v3) macro.
  764  */
  765 struct nfs_fattr {
  766         u_int32_t fa_type;
  767         u_int32_t fa_mode;
  768         u_int32_t fa_nlink;
  769         u_int32_t fa_uid;
  770         u_int32_t fa_gid;
  771         union {
  772                 struct {
  773                         u_int32_t nfsv2fa_size;
  774                         u_int32_t nfsv2fa_blocksize;
  775                         u_int32_t nfsv2fa_rdev;
  776                         u_int32_t nfsv2fa_blocks;
  777                         u_int32_t nfsv2fa_fsid;
  778                         u_int32_t nfsv2fa_fileid;
  779                         nfstime2  nfsv2fa_atime;
  780                         nfstime2  nfsv2fa_mtime;
  781                         nfstime2  nfsv2fa_ctime;
  782                 } fa_nfsv2;
  783                 struct {
  784                         nfsuint64 nfsv3fa_size;
  785                         nfsuint64 nfsv3fa_used;
  786                         nfsv3spec nfsv3fa_rdev;
  787                         nfsuint64 nfsv3fa_fsid;
  788                         nfsuint64 nfsv3fa_fileid;
  789                         nfstime3  nfsv3fa_atime;
  790                         nfstime3  nfsv3fa_mtime;
  791                         nfstime3  nfsv3fa_ctime;
  792                 } fa_nfsv3;
  793         } fa_un;
  794 };
  795 
  796 /* and some ugly defines for accessing union components */
  797 #define fa2_size                fa_un.fa_nfsv2.nfsv2fa_size
  798 #define fa2_blocksize           fa_un.fa_nfsv2.nfsv2fa_blocksize
  799 #define fa2_rdev                fa_un.fa_nfsv2.nfsv2fa_rdev
  800 #define fa2_blocks              fa_un.fa_nfsv2.nfsv2fa_blocks
  801 #define fa2_fsid                fa_un.fa_nfsv2.nfsv2fa_fsid
  802 #define fa2_fileid              fa_un.fa_nfsv2.nfsv2fa_fileid
  803 #define fa2_atime               fa_un.fa_nfsv2.nfsv2fa_atime
  804 #define fa2_mtime               fa_un.fa_nfsv2.nfsv2fa_mtime
  805 #define fa2_ctime               fa_un.fa_nfsv2.nfsv2fa_ctime
  806 #define fa3_size                fa_un.fa_nfsv3.nfsv3fa_size
  807 #define fa3_used                fa_un.fa_nfsv3.nfsv3fa_used
  808 #define fa3_rdev                fa_un.fa_nfsv3.nfsv3fa_rdev
  809 #define fa3_fsid                fa_un.fa_nfsv3.nfsv3fa_fsid
  810 #define fa3_fileid              fa_un.fa_nfsv3.nfsv3fa_fileid
  811 #define fa3_atime               fa_un.fa_nfsv3.nfsv3fa_atime
  812 #define fa3_mtime               fa_un.fa_nfsv3.nfsv3fa_mtime
  813 #define fa3_ctime               fa_un.fa_nfsv3.nfsv3fa_ctime
  814 
  815 #define NFS_LINK_MAX    UINT32_MAX
  816 
  817 struct nfsv2_sattr {
  818         u_int32_t sa_mode;
  819         u_int32_t sa_uid;
  820         u_int32_t sa_gid;
  821         u_int32_t sa_size;
  822         nfstime2  sa_atime;
  823         nfstime2  sa_mtime;
  824 };
  825 
  826 /*
  827  * NFS Version 3 sattr structure for the new node creation case.
  828  */
  829 struct nfsv3_sattr {
  830         u_int32_t sa_modetrue;
  831         u_int32_t sa_mode;
  832         u_int32_t sa_uidfalse;
  833         u_int32_t sa_gidfalse;
  834         u_int32_t sa_sizefalse;
  835         u_int32_t sa_atimetype;
  836         nfstime3  sa_atime;
  837         u_int32_t sa_mtimetype;
  838         nfstime3  sa_mtime;
  839 };
  840 #endif  /* _KERNEL */
  841 
  842 /*
  843  * The attribute bits used for V4.
  844  * NFSATTRBIT_xxx defines the attribute# (and its bit position)
  845  * NFSATTRBM_xxx is a 32bit mask with the correct bit set within the
  846  *      appropriate 32bit word.
  847  * NFSATTRBIT_MAX is one greater than the largest NFSATTRBIT_xxx
  848  */
  849 #define NFSATTRBIT_SUPPORTEDATTRS       0
  850 #define NFSATTRBIT_TYPE                 1
  851 #define NFSATTRBIT_FHEXPIRETYPE         2
  852 #define NFSATTRBIT_CHANGE               3
  853 #define NFSATTRBIT_SIZE                 4
  854 #define NFSATTRBIT_LINKSUPPORT          5
  855 #define NFSATTRBIT_SYMLINKSUPPORT       6
  856 #define NFSATTRBIT_NAMEDATTR            7
  857 #define NFSATTRBIT_FSID                 8
  858 #define NFSATTRBIT_UNIQUEHANDLES        9
  859 #define NFSATTRBIT_LEASETIME            10
  860 #define NFSATTRBIT_RDATTRERROR          11
  861 #define NFSATTRBIT_ACL                  12
  862 #define NFSATTRBIT_ACLSUPPORT           13
  863 #define NFSATTRBIT_ARCHIVE              14
  864 #define NFSATTRBIT_CANSETTIME           15
  865 #define NFSATTRBIT_CASEINSENSITIVE      16
  866 #define NFSATTRBIT_CASEPRESERVING       17
  867 #define NFSATTRBIT_CHOWNRESTRICTED      18
  868 #define NFSATTRBIT_FILEHANDLE           19
  869 #define NFSATTRBIT_FILEID               20
  870 #define NFSATTRBIT_FILESAVAIL           21
  871 #define NFSATTRBIT_FILESFREE            22
  872 #define NFSATTRBIT_FILESTOTAL           23
  873 #define NFSATTRBIT_FSLOCATIONS          24
  874 #define NFSATTRBIT_HIDDEN               25
  875 #define NFSATTRBIT_HOMOGENEOUS          26
  876 #define NFSATTRBIT_MAXFILESIZE          27
  877 #define NFSATTRBIT_MAXLINK              28
  878 #define NFSATTRBIT_MAXNAME              29
  879 #define NFSATTRBIT_MAXREAD              30
  880 #define NFSATTRBIT_MAXWRITE             31
  881 #define NFSATTRBIT_MIMETYPE             32
  882 #define NFSATTRBIT_MODE                 33
  883 #define NFSATTRBIT_NOTRUNC              34
  884 #define NFSATTRBIT_NUMLINKS             35
  885 #define NFSATTRBIT_OWNER                36
  886 #define NFSATTRBIT_OWNERGROUP           37
  887 #define NFSATTRBIT_QUOTAHARD            38
  888 #define NFSATTRBIT_QUOTASOFT            39
  889 #define NFSATTRBIT_QUOTAUSED            40
  890 #define NFSATTRBIT_RAWDEV               41
  891 #define NFSATTRBIT_SPACEAVAIL           42
  892 #define NFSATTRBIT_SPACEFREE            43
  893 #define NFSATTRBIT_SPACETOTAL           44
  894 #define NFSATTRBIT_SPACEUSED            45
  895 #define NFSATTRBIT_SYSTEM               46
  896 #define NFSATTRBIT_TIMEACCESS           47
  897 #define NFSATTRBIT_TIMEACCESSSET        48
  898 #define NFSATTRBIT_TIMEBACKUP           49
  899 #define NFSATTRBIT_TIMECREATE           50
  900 #define NFSATTRBIT_TIMEDELTA            51
  901 #define NFSATTRBIT_TIMEMETADATA         52
  902 #define NFSATTRBIT_TIMEMODIFY           53
  903 #define NFSATTRBIT_TIMEMODIFYSET        54
  904 #define NFSATTRBIT_MOUNTEDONFILEID      55
  905 #define NFSATTRBIT_DIRNOTIFDELAY        56
  906 #define NFSATTRBIT_DIRENTNOTIFDELAY     57
  907 #define NFSATTRBIT_DACL                 58
  908 #define NFSATTRBIT_SACL                 59
  909 #define NFSATTRBIT_CHANGEPOLICY         60
  910 #define NFSATTRBIT_FSSTATUS             61
  911 #define NFSATTRBIT_FSLAYOUTTYPE         62
  912 #define NFSATTRBIT_LAYOUTHINT           63
  913 #define NFSATTRBIT_LAYOUTTYPE           64
  914 #define NFSATTRBIT_LAYOUTBLKSIZE        65
  915 #define NFSATTRBIT_LAYOUTALIGNMENT      66
  916 #define NFSATTRBIT_FSLOCATIONSINFO      67
  917 #define NFSATTRBIT_MDSTHRESHOLD         68
  918 #define NFSATTRBIT_RETENTIONGET         69
  919 #define NFSATTRBIT_RETENTIONSET         70
  920 #define NFSATTRBIT_RETENTEVTGET         71
  921 #define NFSATTRBIT_RETENTEVTSET         72
  922 #define NFSATTRBIT_RETENTIONHOLD        73
  923 #define NFSATTRBIT_MODESETMASKED        74
  924 #define NFSATTRBIT_SUPPATTREXCLCREAT    75
  925 #define NFSATTRBIT_FSCHARSETCAP         76
  926 
  927 #define NFSATTRBM_SUPPORTEDATTRS        0x00000001
  928 #define NFSATTRBM_TYPE                  0x00000002
  929 #define NFSATTRBM_FHEXPIRETYPE          0x00000004
  930 #define NFSATTRBM_CHANGE                0x00000008
  931 #define NFSATTRBM_SIZE                  0x00000010
  932 #define NFSATTRBM_LINKSUPPORT           0x00000020
  933 #define NFSATTRBM_SYMLINKSUPPORT        0x00000040
  934 #define NFSATTRBM_NAMEDATTR             0x00000080
  935 #define NFSATTRBM_FSID                  0x00000100
  936 #define NFSATTRBM_UNIQUEHANDLES         0x00000200
  937 #define NFSATTRBM_LEASETIME             0x00000400
  938 #define NFSATTRBM_RDATTRERROR           0x00000800
  939 #define NFSATTRBM_ACL                   0x00001000
  940 #define NFSATTRBM_ACLSUPPORT            0x00002000
  941 #define NFSATTRBM_ARCHIVE               0x00004000
  942 #define NFSATTRBM_CANSETTIME            0x00008000
  943 #define NFSATTRBM_CASEINSENSITIVE       0x00010000
  944 #define NFSATTRBM_CASEPRESERVING        0x00020000
  945 #define NFSATTRBM_CHOWNRESTRICTED       0x00040000
  946 #define NFSATTRBM_FILEHANDLE            0x00080000
  947 #define NFSATTRBM_FILEID                0x00100000
  948 #define NFSATTRBM_FILESAVAIL            0x00200000
  949 #define NFSATTRBM_FILESFREE             0x00400000
  950 #define NFSATTRBM_FILESTOTAL            0x00800000
  951 #define NFSATTRBM_FSLOCATIONS           0x01000000
  952 #define NFSATTRBM_HIDDEN                0x02000000
  953 #define NFSATTRBM_HOMOGENEOUS           0x04000000
  954 #define NFSATTRBM_MAXFILESIZE           0x08000000
  955 #define NFSATTRBM_MAXLINK               0x10000000
  956 #define NFSATTRBM_MAXNAME               0x20000000
  957 #define NFSATTRBM_MAXREAD               0x40000000
  958 #define NFSATTRBM_MAXWRITE              0x80000000
  959 #define NFSATTRBM_MIMETYPE              0x00000001
  960 #define NFSATTRBM_MODE                  0x00000002
  961 #define NFSATTRBM_NOTRUNC               0x00000004
  962 #define NFSATTRBM_NUMLINKS              0x00000008
  963 #define NFSATTRBM_OWNER                 0x00000010
  964 #define NFSATTRBM_OWNERGROUP            0x00000020
  965 #define NFSATTRBM_QUOTAHARD             0x00000040
  966 #define NFSATTRBM_QUOTASOFT             0x00000080
  967 #define NFSATTRBM_QUOTAUSED             0x00000100
  968 #define NFSATTRBM_RAWDEV                0x00000200
  969 #define NFSATTRBM_SPACEAVAIL            0x00000400
  970 #define NFSATTRBM_SPACEFREE             0x00000800
  971 #define NFSATTRBM_SPACETOTAL            0x00001000
  972 #define NFSATTRBM_SPACEUSED             0x00002000
  973 #define NFSATTRBM_SYSTEM                0x00004000
  974 #define NFSATTRBM_TIMEACCESS            0x00008000
  975 #define NFSATTRBM_TIMEACCESSSET         0x00010000
  976 #define NFSATTRBM_TIMEBACKUP            0x00020000
  977 #define NFSATTRBM_TIMECREATE            0x00040000
  978 #define NFSATTRBM_TIMEDELTA             0x00080000
  979 #define NFSATTRBM_TIMEMETADATA          0x00100000
  980 #define NFSATTRBM_TIMEMODIFY            0x00200000
  981 #define NFSATTRBM_TIMEMODIFYSET         0x00400000
  982 #define NFSATTRBM_MOUNTEDONFILEID       0x00800000
  983 #define NFSATTRBM_DIRNOTIFDELAY         0x01000000
  984 #define NFSATTRBM_DIRENTNOTIFDELAY      0x02000000
  985 #define NFSATTRBM_DACL                  0x04000000
  986 #define NFSATTRBM_SACL                  0x08000000
  987 #define NFSATTRBM_CHANGEPOLICY          0x10000000
  988 #define NFSATTRBM_FSSTATUS              0x20000000
  989 #define NFSATTRBM_FSLAYOUTTYPE          0x40000000
  990 #define NFSATTRBM_LAYOUTHINT            0x80000000
  991 #define NFSATTRBM_LAYOUTTYPE            0x00000001
  992 #define NFSATTRBM_LAYOUTBLKSIZE         0x00000002
  993 #define NFSATTRBM_LAYOUTALIGNMENT       0x00000004
  994 #define NFSATTRBM_FSLOCATIONSINFO       0x00000008
  995 #define NFSATTRBM_MDSTHRESHOLD          0x00000010
  996 #define NFSATTRBM_RETENTIONGET          0x00000020
  997 #define NFSATTRBM_RETENTIONSET          0x00000040
  998 #define NFSATTRBM_RETENTEVTGET          0x00000080
  999 #define NFSATTRBM_RETENTEVTSET          0x00000100
 1000 #define NFSATTRBM_RETENTIONHOLD         0x00000200
 1001 #define NFSATTRBM_MODESETMASKED         0x00000400
 1002 #define NFSATTRBM_SUPPATTREXCLCREAT     0x00000800
 1003 #define NFSATTRBM_FSCHARSETCAP          0x00001000
 1004 
 1005 #define NFSATTRBIT_MAX                  77
 1006 
 1007 /*
 1008  * Sets of attributes that are supported, by words in the bitmap.
 1009  */
 1010 /*
 1011  * NFSATTRBIT_SUPPORTED - SUPP0 - bits 0<->31
 1012  *                        SUPP1 - bits 32<->63
 1013  *                        SUPP2 - bits 64<->95
 1014  */
 1015 #define NFSATTRBIT_SUPP0                                                \
 1016         (NFSATTRBM_SUPPORTEDATTRS |                                     \
 1017         NFSATTRBM_TYPE |                                                \
 1018         NFSATTRBM_FHEXPIRETYPE |                                        \
 1019         NFSATTRBM_CHANGE |                                              \
 1020         NFSATTRBM_SIZE |                                                \
 1021         NFSATTRBM_LINKSUPPORT |                                         \
 1022         NFSATTRBM_SYMLINKSUPPORT |                                      \
 1023         NFSATTRBM_NAMEDATTR |                                           \
 1024         NFSATTRBM_FSID |                                                \
 1025         NFSATTRBM_UNIQUEHANDLES |                                       \
 1026         NFSATTRBM_LEASETIME |                                           \
 1027         NFSATTRBM_RDATTRERROR |                                         \
 1028         NFSATTRBM_ACL |                                                 \
 1029         NFSATTRBM_ACLSUPPORT |                                          \
 1030         NFSATTRBM_CANSETTIME |                                          \
 1031         NFSATTRBM_CASEINSENSITIVE |                                     \
 1032         NFSATTRBM_CASEPRESERVING |                                      \
 1033         NFSATTRBM_CHOWNRESTRICTED |                                     \
 1034         NFSATTRBM_FILEHANDLE |                                          \
 1035         NFSATTRBM_FILEID |                                              \
 1036         NFSATTRBM_FILESAVAIL |                                          \
 1037         NFSATTRBM_FILESFREE |                                           \
 1038         NFSATTRBM_FILESTOTAL |                                          \
 1039         NFSATTRBM_FSLOCATIONS |                                         \
 1040         NFSATTRBM_HOMOGENEOUS |                                         \
 1041         NFSATTRBM_MAXFILESIZE |                                         \
 1042         NFSATTRBM_MAXLINK |                                             \
 1043         NFSATTRBM_MAXNAME |                                             \
 1044         NFSATTRBM_MAXREAD |                                             \
 1045         NFSATTRBM_MAXWRITE)
 1046 
 1047 /*
 1048  * NFSATTRBIT_S1 - subset of SUPP1 - OR of the following bits:
 1049  */
 1050 #define NFSATTRBIT_S1                                                   \
 1051         (NFSATTRBM_MODE |                                               \
 1052         NFSATTRBM_NOTRUNC |                                             \
 1053         NFSATTRBM_NUMLINKS |                                            \
 1054         NFSATTRBM_OWNER |                                               \
 1055         NFSATTRBM_OWNERGROUP |                                          \
 1056         NFSATTRBM_RAWDEV |                                              \
 1057         NFSATTRBM_SPACEAVAIL |                                          \
 1058         NFSATTRBM_SPACEFREE |                                           \
 1059         NFSATTRBM_SPACETOTAL |                                          \
 1060         NFSATTRBM_SPACEUSED |                                           \
 1061         NFSATTRBM_TIMEACCESS |                                          \
 1062         NFSATTRBM_TIMEDELTA |                                           \
 1063         NFSATTRBM_TIMEMETADATA |                                        \
 1064         NFSATTRBM_TIMEMODIFY |                                          \
 1065         NFSATTRBM_MOUNTEDONFILEID |                                     \
 1066         NFSATTRBM_QUOTAHARD |                                           \
 1067         NFSATTRBM_QUOTASOFT |                                           \
 1068         NFSATTRBM_QUOTAUSED |                                           \
 1069         NFSATTRBM_FSLAYOUTTYPE)
 1070 
 1071 
 1072 #ifdef QUOTA
 1073 /*
 1074  * If QUOTA OR in NFSATTRBIT_QUOTAHARD, NFSATTRBIT_QUOTASOFT and
 1075  * NFSATTRBIT_QUOTAUSED.
 1076  */
 1077 #define NFSATTRBIT_SUPP1        (NFSATTRBIT_S1 |                        \
 1078                                 NFSATTRBM_QUOTAHARD |                   \
 1079                                 NFSATTRBM_QUOTASOFT |                   \
 1080                                 NFSATTRBM_QUOTAUSED)
 1081 #else
 1082 #define NFSATTRBIT_SUPP1        NFSATTRBIT_S1
 1083 #endif
 1084 
 1085 #define NFSATTRBIT_SUPP2                                                \
 1086         (NFSATTRBM_LAYOUTTYPE |                                         \
 1087         NFSATTRBM_LAYOUTBLKSIZE |                                       \
 1088         NFSATTRBM_LAYOUTALIGNMENT |                                     \
 1089         NFSATTRBM_SUPPATTREXCLCREAT)
 1090 
 1091 /*
 1092  * These are the set only attributes.
 1093  */
 1094 #define NFSATTRBIT_SUPPSETONLY1  (NFSATTRBM_TIMEACCESSSET |             \
 1095                                  NFSATTRBM_TIMEMODIFYSET)
 1096 #define NFSATTRBIT_SUPPSETONLY2 (NFSATTRBM_MODESETMASKED)
 1097 
 1098 /*
 1099  * NFSATTRBIT_SETABLE - SETABLE0 - bits 0<->31
 1100  *                      SETABLE1 - bits 32<->63
 1101  *                      SETABLE2 - bits 64<->95
 1102  */
 1103 #define NFSATTRBIT_SETABLE0                                             \
 1104         (NFSATTRBM_SIZE |                                               \
 1105         NFSATTRBM_ACL)
 1106 #define NFSATTRBIT_SETABLE1                                             \
 1107         (NFSATTRBM_MODE |                                               \
 1108         NFSATTRBM_OWNER |                                               \
 1109         NFSATTRBM_OWNERGROUP |                                          \
 1110         NFSATTRBM_TIMEACCESSSET |                                       \
 1111         NFSATTRBM_TIMEMODIFYSET)
 1112 #define NFSATTRBIT_SETABLE2                                             \
 1113         (NFSATTRBM_MODESETMASKED)
 1114 
 1115 /*
 1116  * NFSATTRBIT_NFSV41 - Attributes only supported by NFSv4.1.
 1117  */
 1118 #define NFSATTRBIT_NFSV41_1                                             \
 1119         (NFSATTRBM_FSLAYOUTTYPE)
 1120 #define NFSATTRBIT_NFSV41_2                                             \
 1121         (NFSATTRBM_LAYOUTTYPE |                                         \
 1122         NFSATTRBM_LAYOUTBLKSIZE |                                       \
 1123         NFSATTRBM_LAYOUTALIGNMENT |                                     \
 1124         NFSATTRBM_MODESETMASKED |                                       \
 1125         NFSATTRBM_SUPPATTREXCLCREAT)
 1126 
 1127 /*
 1128  * Set of attributes that the getattr vnode op needs.
 1129  * OR of the following bits.
 1130  * NFSATTRBIT_GETATTR0 - bits 0<->31
 1131  */
 1132 #define NFSATTRBIT_GETATTR0                                             \
 1133         (NFSATTRBM_SUPPORTEDATTRS |                                     \
 1134         NFSATTRBM_TYPE |                                                \
 1135         NFSATTRBM_CHANGE |                                              \
 1136         NFSATTRBM_SIZE |                                                \
 1137         NFSATTRBM_FSID |                                                \
 1138         NFSATTRBM_FILEID |                                              \
 1139         NFSATTRBM_MAXREAD)
 1140 
 1141 /*
 1142  * NFSATTRBIT_GETATTR1 - bits 32<->63
 1143  */
 1144 #define NFSATTRBIT_GETATTR1                                             \
 1145         (NFSATTRBM_MODE |                                               \
 1146         NFSATTRBM_NUMLINKS |                                            \
 1147         NFSATTRBM_OWNER |                                               \
 1148         NFSATTRBM_OWNERGROUP |                                          \
 1149         NFSATTRBM_RAWDEV |                                              \
 1150         NFSATTRBM_SPACEUSED |                                           \
 1151         NFSATTRBM_TIMEACCESS |                                          \
 1152         NFSATTRBM_TIMEMETADATA |                                        \
 1153         NFSATTRBM_TIMEMODIFY)
 1154 
 1155 /*
 1156  * NFSATTRBIT_GETATTR2 - bits 64<->95
 1157  */
 1158 #define NFSATTRBIT_GETATTR2             0
 1159 
 1160 /*
 1161  * Subset of the above that the Write RPC gets.
 1162  * OR of the following bits.
 1163  * NFSATTRBIT_WRITEGETATTR0 - bits 0<->31
 1164  */
 1165 #define NFSATTRBIT_WRITEGETATTR0                                        \
 1166         (NFSATTRBM_SUPPORTEDATTRS |                                     \
 1167         NFSATTRBM_TYPE |                                                \
 1168         NFSATTRBM_CHANGE |                                              \
 1169         NFSATTRBM_SIZE |                                                \
 1170         NFSATTRBM_FSID |                                                \
 1171         NFSATTRBM_FILEID |                                              \
 1172         NFSATTRBM_MAXREAD)
 1173 
 1174 /*
 1175  * NFSATTRBIT_WRITEGETATTR1 - bits 32<->63
 1176  */
 1177 #define NFSATTRBIT_WRITEGETATTR1                                        \
 1178         (NFSATTRBM_MODE |                                               \
 1179         NFSATTRBM_NUMLINKS |                                            \
 1180         NFSATTRBM_RAWDEV |                                              \
 1181         NFSATTRBM_SPACEUSED |                                           \
 1182         NFSATTRBM_TIMEACCESS |                                          \
 1183         NFSATTRBM_TIMEMETADATA |                                        \
 1184         NFSATTRBM_TIMEMODIFY)
 1185 
 1186 /*
 1187  * NFSATTRBIT_WRITEGETATTR2 - bits 64<->95
 1188  */
 1189 #define NFSATTRBIT_WRITEGETATTR2        0
 1190 
 1191 /*
 1192  * Set of attributes that the wccattr operation op needs.
 1193  * OR of the following bits.
 1194  * NFSATTRBIT_WCCATTR0 - bits 0<->31
 1195  */
 1196 #define NFSATTRBIT_WCCATTR0     0
 1197 
 1198 /*
 1199  * NFSATTRBIT_WCCATTR1 - bits 32<->63
 1200  */
 1201 #define NFSATTRBIT_WCCATTR1                                             \
 1202         (NFSATTRBM_TIMEMODIFY)
 1203 
 1204 /*
 1205  * NFSATTRBIT_WCCATTR2 - bits 64<->95
 1206  */
 1207 #define NFSATTRBIT_WCCATTR2             0
 1208 
 1209 /*
 1210  * NFSATTRBIT_CBGETATTR0 - bits 0<->31
 1211  */
 1212 #define NFSATTRBIT_CBGETATTR0   (NFSATTRBM_CHANGE | NFSATTRBM_SIZE)
 1213 
 1214 /*
 1215  * NFSATTRBIT_CBGETATTR1 - bits 32<->63
 1216  */
 1217 #define NFSATTRBIT_CBGETATTR1           0x0
 1218 
 1219 /*
 1220  * NFSATTRBIT_CBGETATTR2 - bits 64<->95
 1221  */
 1222 #define NFSATTRBIT_CBGETATTR2           0x0
 1223 
 1224 /*
 1225  * Sets of attributes that require a VFS_STATFS() call to get the
 1226  * values of.
 1227  * NFSATTRBIT_STATFS0 - bits 0<->31
 1228  */
 1229 #define NFSATTRBIT_STATFS0                                              \
 1230         (NFSATTRBM_LINKSUPPORT |                                        \
 1231         NFSATTRBM_SYMLINKSUPPORT |                                      \
 1232         NFSATTRBM_CANSETTIME |                                          \
 1233         NFSATTRBM_FILESAVAIL |                                          \
 1234         NFSATTRBM_FILESFREE |                                           \
 1235         NFSATTRBM_FILESTOTAL |                                          \
 1236         NFSATTRBM_HOMOGENEOUS |                                         \
 1237         NFSATTRBM_MAXFILESIZE |                                         \
 1238         NFSATTRBM_MAXNAME |                                             \
 1239         NFSATTRBM_MAXREAD |                                             \
 1240         NFSATTRBM_MAXWRITE)
 1241 
 1242 /*
 1243  * NFSATTRBIT_STATFS1 - bits 32<->63
 1244  */
 1245 #define NFSATTRBIT_STATFS1                                              \
 1246         (NFSATTRBM_QUOTAHARD |                                          \
 1247         NFSATTRBM_QUOTASOFT |                                           \
 1248         NFSATTRBM_QUOTAUSED |                                           \
 1249         NFSATTRBM_SPACEAVAIL |                                          \
 1250         NFSATTRBM_SPACEFREE |                                           \
 1251         NFSATTRBM_SPACETOTAL |                                          \
 1252         NFSATTRBM_SPACEUSED |                                           \
 1253         NFSATTRBM_TIMEDELTA)
 1254 
 1255 /*
 1256  * NFSATTRBIT_STATFS2 - bits 64<->95
 1257  */
 1258 #define NFSATTRBIT_STATFS2              0
 1259 
 1260 /*
 1261  * These are the bits that are needed by the nfs_statfs() call.
 1262  * (The regular getattr bits are or'd in so the vnode gets the correct
 1263  *  type, etc.)
 1264  * NFSGETATTRBIT_STATFS0 - bits 0<->31
 1265  */
 1266 #define NFSGETATTRBIT_STATFS0   (NFSATTRBIT_GETATTR0 |                  \
 1267                                 NFSATTRBM_LINKSUPPORT |                 \
 1268                                 NFSATTRBM_SYMLINKSUPPORT |              \
 1269                                 NFSATTRBM_CANSETTIME |                  \
 1270                                 NFSATTRBM_FILESFREE |                   \
 1271                                 NFSATTRBM_FILESTOTAL |                  \
 1272                                 NFSATTRBM_HOMOGENEOUS |                 \
 1273                                 NFSATTRBM_MAXFILESIZE |                 \
 1274                                 NFSATTRBM_MAXNAME |                     \
 1275                                 NFSATTRBM_MAXREAD |                     \
 1276                                 NFSATTRBM_MAXWRITE)
 1277 
 1278 /*
 1279  * NFSGETATTRBIT_STATFS1 - bits 32<->63
 1280  */
 1281 #define NFSGETATTRBIT_STATFS1   (NFSATTRBIT_GETATTR1 |                  \
 1282                                 NFSATTRBM_SPACEAVAIL |                  \
 1283                                 NFSATTRBM_SPACEFREE |                   \
 1284                                 NFSATTRBM_SPACETOTAL |                  \
 1285                                 NFSATTRBM_TIMEDELTA)
 1286 
 1287 /*
 1288  * NFSGETATTRBIT_STATFS2 - bits 64<->95
 1289  */
 1290 #define NFSGETATTRBIT_STATFS2           0
 1291 
 1292 /*
 1293  * Set of attributes for the equivalent of an nfsv3 pathconf rpc.
 1294  * NFSGETATTRBIT_PATHCONF0 - bits 0<->31
 1295  */
 1296 #define NFSGETATTRBIT_PATHCONF0 (NFSATTRBIT_GETATTR0 |                  \
 1297                                 NFSATTRBM_CASEINSENSITIVE |             \
 1298                                 NFSATTRBM_CASEPRESERVING |              \
 1299                                 NFSATTRBM_CHOWNRESTRICTED |             \
 1300                                 NFSATTRBM_MAXLINK |                     \
 1301                                 NFSATTRBM_MAXNAME)
 1302 
 1303 /*
 1304  * NFSGETATTRBIT_PATHCONF1 - bits 32<->63
 1305  */
 1306 #define NFSGETATTRBIT_PATHCONF1 (NFSATTRBIT_GETATTR1 |                  \
 1307                                 NFSATTRBM_NOTRUNC)
 1308 
 1309 /*
 1310  * NFSGETATTRBIT_PATHCONF2 - bits 64<->95
 1311  */
 1312 #define NFSGETATTRBIT_PATHCONF2         0
 1313 
 1314 /*
 1315  * Sets of attributes required by readdir and readdirplus.
 1316  * NFSATTRBIT_READDIRPLUS0      (NFSATTRBIT_GETATTR0 | NFSATTRBIT_FILEHANDLE |
 1317  *                               NFSATTRBIT_RDATTRERROR)
 1318  */
 1319 #define NFSATTRBIT_READDIRPLUS0 (NFSATTRBIT_GETATTR0 | NFSATTRBM_FILEHANDLE | \
 1320                                 NFSATTRBM_RDATTRERROR)
 1321 #define NFSATTRBIT_READDIRPLUS1 NFSATTRBIT_GETATTR1
 1322 #define NFSATTRBIT_READDIRPLUS2         0
 1323 
 1324 /*
 1325  * Set of attributes supported by Referral vnodes.
 1326  */
 1327 #define NFSATTRBIT_REFERRAL0    (NFSATTRBM_TYPE | NFSATTRBM_FSID |      \
 1328         NFSATTRBM_RDATTRERROR | NFSATTRBM_FSLOCATIONS)
 1329 #define NFSATTRBIT_REFERRAL1    NFSATTRBM_MOUNTEDONFILEID
 1330 #define NFSATTRBIT_REFERRAL2            0
 1331 
 1332 /*
 1333  * Structure for data handled by the statfs rpc. Since some fields are
 1334  * u_int64_t, this cannot be used for copying data on/off the wire, due
 1335  * to alignment concerns.
 1336  */
 1337 struct nfsstatfs {
 1338         union {
 1339                 struct {
 1340                         u_int32_t nfsv2sf_tsize;
 1341                         u_int32_t nfsv2sf_bsize;
 1342                         u_int32_t nfsv2sf_blocks;
 1343                         u_int32_t nfsv2sf_bfree;
 1344                         u_int32_t nfsv2sf_bavail;
 1345                 } sf_nfsv2;
 1346                 struct {
 1347                         u_int64_t nfsv3sf_tbytes;
 1348                         u_int64_t nfsv3sf_fbytes;
 1349                         u_int64_t nfsv3sf_abytes;
 1350                         u_int64_t nfsv3sf_tfiles;
 1351                         u_int64_t nfsv3sf_ffiles;
 1352                         u_int64_t nfsv3sf_afiles;
 1353                         u_int32_t nfsv3sf_invarsec;
 1354                 } sf_nfsv3;
 1355         } sf_un;
 1356 };
 1357 
 1358 #define sf_tsize        sf_un.sf_nfsv2.nfsv2sf_tsize
 1359 #define sf_bsize        sf_un.sf_nfsv2.nfsv2sf_bsize
 1360 #define sf_blocks       sf_un.sf_nfsv2.nfsv2sf_blocks
 1361 #define sf_bfree        sf_un.sf_nfsv2.nfsv2sf_bfree
 1362 #define sf_bavail       sf_un.sf_nfsv2.nfsv2sf_bavail
 1363 #define sf_tbytes       sf_un.sf_nfsv3.nfsv3sf_tbytes
 1364 #define sf_fbytes       sf_un.sf_nfsv3.nfsv3sf_fbytes
 1365 #define sf_abytes       sf_un.sf_nfsv3.nfsv3sf_abytes
 1366 #define sf_tfiles       sf_un.sf_nfsv3.nfsv3sf_tfiles
 1367 #define sf_ffiles       sf_un.sf_nfsv3.nfsv3sf_ffiles
 1368 #define sf_afiles       sf_un.sf_nfsv3.nfsv3sf_afiles
 1369 #define sf_invarsec     sf_un.sf_nfsv3.nfsv3sf_invarsec
 1370 
 1371 /*
 1372  * Now defined using u_int64_t for the 64 bit field(s).
 1373  * (Cannot be used to move data on/off the wire, due to alignment concerns.)
 1374  */
 1375 struct nfsfsinfo {
 1376         u_int32_t fs_rtmax;
 1377         u_int32_t fs_rtpref;
 1378         u_int32_t fs_rtmult;
 1379         u_int32_t fs_wtmax;
 1380         u_int32_t fs_wtpref;
 1381         u_int32_t fs_wtmult;
 1382         u_int32_t fs_dtpref;
 1383         u_int64_t fs_maxfilesize;
 1384         struct timespec fs_timedelta;
 1385         u_int32_t fs_properties;
 1386 };
 1387 
 1388 /*
 1389  * Bits for fs_properties
 1390  */
 1391 #define NFSV3_FSFLINK           0x1
 1392 #define NFSV3_FSFSYMLINK        0x2
 1393 #define NFSV3_FSFHOMOGENEOUS    0x4
 1394 #define NFSV3_FSFCANSETTIME     0x8
 1395 
 1396 /*
 1397  * Yikes, overload fs_rtmult as fs_maxname for V4.
 1398  */
 1399 #define fs_maxname      fs_rtmult
 1400 
 1401 struct nfsv3_pathconf {
 1402         u_int32_t pc_linkmax;
 1403         u_int32_t pc_namemax;
 1404         u_int32_t pc_notrunc;
 1405         u_int32_t pc_chownrestricted;
 1406         u_int32_t pc_caseinsensitive;
 1407         u_int32_t pc_casepreserving;
 1408 };
 1409 
 1410 /*
 1411  * NFS V4 data structures.
 1412  */
 1413 struct nfsv4stateid {
 1414         u_int32_t       seqid;
 1415         u_int32_t       other[NFSX_STATEIDOTHER / NFSX_UNSIGNED];
 1416 };
 1417 typedef struct nfsv4stateid nfsv4stateid_t;
 1418 
 1419 /* Notify bits and notify bitmap size. */
 1420 #define NFSV4NOTIFY_CHANGE      1
 1421 #define NFSV4NOTIFY_DELETE      2
 1422 #define NFSV4_NOTIFYBITMAP      1       /* # of 32bit values needed for bits */
 1423 
 1424 /* Layoutreturn kinds. */
 1425 #define NFSV4LAYOUTRET_FILE     1
 1426 #define NFSV4LAYOUTRET_FSID     2
 1427 #define NFSV4LAYOUTRET_ALL      3
 1428 
 1429 #endif  /* _NFS_NFSPROTO_H_ */

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