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  * Copyright (c) 1989, 1993
    3  *      The Regents of the University of California.  All rights reserved.
    4  *
    5  * This code is derived from software contributed to Berkeley by
    6  * Rick Macklem at The University of Guelph.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  * 4. Neither the name of the University nor the names of its contributors
   17  *    may be used to endorse or promote products derived from this software
   18  *    without specific prior written permission.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   30  * SUCH DAMAGE.
   31  *
   32  * $FreeBSD: releng/10.1/sys/fs/nfs/nfsproto.h 269398 2014-08-01 21:10:41Z rmacklem $
   33  */
   34 
   35 #ifndef _NFS_NFSPROTO_H_
   36 #define _NFS_NFSPROTO_H_
   37 
   38 /*
   39  * nfs definitions as per the Version 2, 3 and 4 specs
   40  */
   41 
   42 /*
   43  * Constants as defined in the NFS Version 2, 3 and 4 specs.
   44  * "NFS: Network File System Protocol Specification" RFC1094
   45  * and in the "NFS: Network File System Version 3 Protocol
   46  * Specification"
   47  */
   48 
   49 #define NFS_PORT        2049
   50 #define NFS_PROG        100003
   51 #define NFS_CALLBCKPROG 0x40000000      /* V4 only */
   52 #define NFS_VER2        2
   53 #define NFS_VER3        3
   54 #define NFS_VER4        4
   55 #define NFS_V2MAXDATA   8192
   56 #define NFS_MAXDGRAMDATA 16384
   57 #define NFS_MAXDATA     NFS_MAXBSIZE
   58 #define NFS_MAXPATHLEN  1024
   59 #define NFS_MAXNAMLEN   255
   60 #define NFS_MAXPKTHDR   404
   61 #define NFS_MAXPACKET   (NFS_MAXDATA + 2048)
   62 #define NFS_MINPACKET   20
   63 #define NFS_FABLKSIZE   512     /* Size in bytes of a block wrt fa_blocks */
   64 #define NFSV4_MINORVERSION      0       /* V4 Minor version */
   65 #define NFSV41_MINORVERSION     1       /* V4 Minor version */
   66 #define NFSV4_CBVERS            1       /* V4 CB Version */
   67 #define NFSV41_CBVERS           4       /* V4.1 CB Version */
   68 #define NFSV4_SMALLSTR  50              /* Strings small enough for stack */
   69 
   70 /* Stat numbers for rpc returns (version 2, 3 and 4) */
   71 /*
   72  * These numbers are hard-wired in the RFCs, so they can't be changed.
   73  * The code currently assumes that the ones < 10000 are the same as
   74  * sys/errno.h and that sys/errno.h will never go as high as 10000.
   75  * If the value in sys/errno.h of any entry listed below is changed,
   76  * the NFS code must be modified to do the mapping between them.
   77  * (You can ignore NFSERR_WFLUSH, since it is never actually used.)
   78  */
   79 #define NFSERR_OK               0
   80 #define NFSERR_PERM             1
   81 #define NFSERR_NOENT            2
   82 #define NFSERR_IO               5
   83 #define NFSERR_NXIO             6
   84 #define NFSERR_ACCES            13
   85 #define NFSERR_EXIST            17
   86 #define NFSERR_XDEV             18      /* Version 3, 4 only */
   87 #define NFSERR_NODEV            19
   88 #define NFSERR_NOTDIR           20
   89 #define NFSERR_ISDIR            21
   90 #define NFSERR_INVAL            22      /* Version 3, 4 only */
   91 #define NFSERR_FBIG             27
   92 #define NFSERR_NOSPC            28
   93 #define NFSERR_ROFS             30
   94 #define NFSERR_MLINK            31      /* Version 3, 4 only */
   95 #define NFSERR_NAMETOL          63
   96 #define NFSERR_NOTEMPTY         66
   97 #define NFSERR_DQUOT            69
   98 #define NFSERR_STALE            70
   99 #define NFSERR_REMOTE           71      /* Version 3 only */
  100 #define NFSERR_WFLUSH           99      /* Version 2 only */
  101 #define NFSERR_BADHANDLE        10001   /* These are Version 3, 4 only */
  102 #define NFSERR_NOT_SYNC         10002   /* Version 3 Only */
  103 #define NFSERR_BAD_COOKIE       10003
  104 #define NFSERR_NOTSUPP          10004
  105 #define NFSERR_TOOSMALL         10005
  106 #define NFSERR_SERVERFAULT      10006
  107 #define NFSERR_BADTYPE          10007
  108 #define NFSERR_DELAY            10008   /* Called NFSERR_JUKEBOX for V3 */
  109 #define NFSERR_SAME             10009   /* These are Version 4 only */
  110 #define NFSERR_DENIED           10010
  111 #define NFSERR_EXPIRED          10011
  112 #define NFSERR_LOCKED           10012
  113 #define NFSERR_GRACE            10013
  114 #define NFSERR_FHEXPIRED        10014
  115 #define NFSERR_SHAREDENIED      10015
  116 #define NFSERR_WRONGSEC         10016
  117 #define NFSERR_CLIDINUSE        10017
  118 #define NFSERR_RESOURCE         10018
  119 #define NFSERR_MOVED            10019
  120 #define NFSERR_NOFILEHANDLE     10020
  121 #define NFSERR_MINORVERMISMATCH 10021
  122 #define NFSERR_STALECLIENTID    10022
  123 #define NFSERR_STALESTATEID     10023
  124 #define NFSERR_OLDSTATEID       10024
  125 #define NFSERR_BADSTATEID       10025
  126 #define NFSERR_BADSEQID         10026
  127 #define NFSERR_NOTSAME          10027
  128 #define NFSERR_LOCKRANGE        10028
  129 #define NFSERR_SYMLINK          10029
  130 #define NFSERR_RESTOREFH        10030
  131 #define NFSERR_LEASEMOVED       10031
  132 #define NFSERR_ATTRNOTSUPP      10032
  133 #define NFSERR_NOGRACE          10033
  134 #define NFSERR_RECLAIMBAD       10034
  135 #define NFSERR_RECLAIMCONFLICT  10035
  136 #define NFSERR_BADXDR           10036
  137 #define NFSERR_LOCKSHELD        10037
  138 #define NFSERR_OPENMODE         10038
  139 #define NFSERR_BADOWNER         10039
  140 #define NFSERR_BADCHAR          10040
  141 #define NFSERR_BADNAME          10041
  142 #define NFSERR_BADRANGE         10042
  143 #define NFSERR_LOCKNOTSUPP      10043
  144 #define NFSERR_OPILLEGAL        10044
  145 #define NFSERR_DEADLOCK         10045
  146 #define NFSERR_FILEOPEN         10046
  147 #define NFSERR_ADMINREVOKED     10047
  148 #define NFSERR_CBPATHDOWN       10048
  149 
  150 /* NFSv4.1 specific errors. */
  151 #define NFSERR_BADIOMODE        10049
  152 #define NFSERR_BADLAYOUT        10050
  153 #define NFSERR_BADSESSIONDIGEST 10051
  154 #define NFSERR_BADSESSION       10052
  155 #define NFSERR_BADSLOT          10053
  156 #define NFSERR_COMPLETEALREADY  10054
  157 #define NFSERR_NOTBNDTOSESS     10055
  158 #define NFSERR_DELEGALREADYWANT 10056
  159 #define NFSERR_BACKCHANBUSY     10057
  160 #define NFSERR_LAYOUTTRYLATER   10058
  161 #define NFSERR_LAYOUTUNAVAIL    10059
  162 #define NFSERR_NOMATCHLAYOUT    10060
  163 #define NFSERR_RECALLCONFLICT   10061
  164 #define NFSERR_UNKNLAYOUTTYPE   10062
  165 #define NFSERR_SEQMISORDERED    10063
  166 #define NFSERR_SEQUENCEPOS      10064
  167 #define NFSERR_REQTOOBIG        10065
  168 #define NFSERR_REPTOOBIG        10066
  169 #define NFSERR_REPTOOBIGTOCACHE 10067
  170 #define NFSERR_RETRYUNCACHEDREP 10068
  171 #define NFSERR_UNSAFECOMPOUND   10069
  172 #define NFSERR_TOOMANYOPS       10070
  173 #define NFSERR_OPNOTINSESS      10071
  174 #define NFSERR_HASHALGUNSUPP    10072
  175 #define NFSERR_CLIENTIDBUSY     10074
  176 #define NFSERR_PNFSIOHOLE       10075
  177 #define NFSERR_SEQFALSERETRY    10076
  178 #define NFSERR_BADHIGHSLOT      10077
  179 #define NFSERR_DEADSESSION      10078
  180 #define NFSERR_ENCRALGUNSUPP    10079
  181 #define NFSERR_PNFSNOLAYOUT     10080
  182 #define NFSERR_NOTONLYOP        10081
  183 #define NFSERR_WRONGCRED        10082
  184 #define NFSERR_WRONGTYPE        10083
  185 #define NFSERR_DIRDELEGUNAVAIL  10084
  186 #define NFSERR_REJECTDELEG      10085
  187 #define NFSERR_RETURNCONFLICT   10086
  188 #define NFSERR_DELEGREVOKED     10087
  189 
  190 #define NFSERR_STALEWRITEVERF   30001   /* Fake return for nfs_commit() */
  191 #define NFSERR_DONTREPLY        30003   /* Don't process request */
  192 #define NFSERR_RETVOID          30004   /* Return void, not error */
  193 #define NFSERR_REPLYFROMCACHE   30005   /* Reply from recent request cache */
  194 #define NFSERR_STALEDONTRECOVER 30006   /* Don't initiate recovery */
  195 
  196 #define NFSERR_RPCERR           0x40000000 /* Mark an RPC layer error */
  197 #define NFSERR_AUTHERR          0x80000000 /* Mark an authentication error */
  198 
  199 #define NFSERR_RPCMISMATCH      (NFSERR_RPCERR | RPC_MISMATCH)
  200 #define NFSERR_PROGUNAVAIL      (NFSERR_RPCERR | RPC_PROGUNAVAIL)
  201 #define NFSERR_PROGMISMATCH     (NFSERR_RPCERR | RPC_PROGMISMATCH)
  202 #define NFSERR_PROGNOTV4        (NFSERR_RPCERR | 0xffff)
  203 #define NFSERR_PROCUNAVAIL      (NFSERR_RPCERR | RPC_PROCUNAVAIL)
  204 #define NFSERR_GARBAGE          (NFSERR_RPCERR | RPC_GARBAGE)
  205 
  206 /* Sizes in bytes of various nfs rpc components */
  207 #define NFSX_UNSIGNED   4
  208 #define NFSX_HYPER      (2 * NFSX_UNSIGNED)
  209 
  210 /* specific to NFS Version 2 */
  211 #define NFSX_V2FH       32
  212 #define NFSX_V2FATTR    68
  213 #define NFSX_V2SATTR    32
  214 #define NFSX_V2COOKIE   4
  215 #define NFSX_V2STATFS   20
  216 
  217 /* specific to NFS Version 3 */
  218 #define NFSX_V3FHMAX            64      /* max. allowed by protocol */
  219 #define NFSX_V3FATTR            84
  220 #define NFSX_V3SATTR            60      /* max. all fields filled in */
  221 #define NFSX_V3SRVSATTR         (sizeof (struct nfsv3_sattr))
  222 #define NFSX_V3POSTOPATTR       (NFSX_V3FATTR + NFSX_UNSIGNED)
  223 #define NFSX_V3WCCDATA          (NFSX_V3POSTOPATTR + 8 * NFSX_UNSIGNED)
  224 #define NFSX_V3STATFS           52
  225 #define NFSX_V3FSINFO           48
  226 #define NFSX_V3PATHCONF         24
  227 
  228 /* specific to NFS Version 4 */
  229 #define NFSX_V4FHMAX            128
  230 #define NFSX_V4FSID             (2 * NFSX_HYPER)
  231 #define NFSX_V4SPECDATA         (2 * NFSX_UNSIGNED)
  232 #define NFSX_V4TIME             (NFSX_HYPER + NFSX_UNSIGNED)
  233 #define NFSX_V4SETTIME          (NFSX_UNSIGNED + NFSX_V4TIME)
  234 #define NFSX_V4SESSIONID        16
  235 #define NFSX_V4DEVICEID         16
  236 
  237 /* sizes common to multiple NFS versions */
  238 #define NFSX_FHMAX              (NFSX_V4FHMAX)
  239 #define NFSX_MYFH               (sizeof (fhandle_t)) /* size this server uses */
  240 #define NFSX_VERF               8
  241 #define NFSX_STATEIDOTHER       12
  242 #define NFSX_STATEID            (NFSX_UNSIGNED + NFSX_STATEIDOTHER)
  243 #define NFSX_GSSH               12
  244 
  245 /* variants for multiple versions */
  246 #define NFSX_STATFS(v3)         ((v3) ? NFSX_V3STATFS : NFSX_V2STATFS)
  247 
  248 /* nfs rpc procedure numbers (before version mapping) */
  249 #define NFSPROC_NULL            0
  250 #define NFSPROC_GETATTR         1
  251 #define NFSPROC_SETATTR         2
  252 #define NFSPROC_LOOKUP          3
  253 #define NFSPROC_ACCESS          4
  254 #define NFSPROC_READLINK        5
  255 #define NFSPROC_READ            6
  256 #define NFSPROC_WRITE           7
  257 #define NFSPROC_CREATE          8
  258 #define NFSPROC_MKDIR           9
  259 #define NFSPROC_SYMLINK         10
  260 #define NFSPROC_MKNOD           11
  261 #define NFSPROC_REMOVE          12
  262 #define NFSPROC_RMDIR           13
  263 #define NFSPROC_RENAME          14
  264 #define NFSPROC_LINK            15
  265 #define NFSPROC_READDIR         16
  266 #define NFSPROC_READDIRPLUS     17
  267 #define NFSPROC_FSSTAT          18
  268 #define NFSPROC_FSINFO          19
  269 #define NFSPROC_PATHCONF        20
  270 #define NFSPROC_COMMIT          21
  271 
  272 /*
  273  * The lower numbers -> 21 are used by NFSv2 and v3. These define higher
  274  * numbers used by NFSv4.
  275  * NFS_V3NPROCS is one greater than the last V3 op and NFS_NPROCS is
  276  * one greater than the last number.
  277  */
  278 #ifndef NFS_V3NPROCS
  279 #define NFS_V3NPROCS            22
  280 
  281 #define NFSPROC_LOOKUPP         22
  282 #define NFSPROC_SETCLIENTID     23
  283 #define NFSPROC_SETCLIENTIDCFRM 24
  284 #define NFSPROC_LOCK            25
  285 #define NFSPROC_LOCKU           26
  286 #define NFSPROC_OPEN            27
  287 #define NFSPROC_CLOSE           28
  288 #define NFSPROC_OPENCONFIRM     29
  289 #define NFSPROC_LOCKT           30
  290 #define NFSPROC_OPENDOWNGRADE   31
  291 #define NFSPROC_RENEW           32
  292 #define NFSPROC_PUTROOTFH       33
  293 #define NFSPROC_RELEASELCKOWN   34
  294 #define NFSPROC_DELEGRETURN     35
  295 #define NFSPROC_RETDELEGREMOVE  36
  296 #define NFSPROC_RETDELEGRENAME1 37
  297 #define NFSPROC_RETDELEGRENAME2 38
  298 #define NFSPROC_GETACL          39
  299 #define NFSPROC_SETACL          40
  300 
  301 /*
  302  * Must be defined as one higher than the last Proc# above.
  303  */
  304 #define NFSV4_NPROCS            41
  305 
  306 /* Additional procedures for NFSv4.1. */
  307 #define NFSPROC_EXCHANGEID      41
  308 #define NFSPROC_CREATESESSION   42
  309 #define NFSPROC_DESTROYSESSION  43
  310 #define NFSPROC_DESTROYCLIENT   44
  311 #define NFSPROC_FREESTATEID     45
  312 #define NFSPROC_LAYOUTGET       46
  313 #define NFSPROC_GETDEVICEINFO   47
  314 #define NFSPROC_LAYOUTCOMMIT    48
  315 #define NFSPROC_LAYOUTRETURN    49
  316 #define NFSPROC_RECLAIMCOMPL    50
  317 #define NFSPROC_WRITEDS         51
  318 #define NFSPROC_READDS          52
  319 #define NFSPROC_COMMITDS        53
  320 
  321 /*
  322  * Must be defined as one higher than the last NFSv4.1 Proc# above.
  323  */
  324 #define NFSV41_NPROCS           54
  325 
  326 #endif  /* NFS_V3NPROCS */
  327 
  328 /*
  329  * Define NFS_NPROCS as NFSV4_NPROCS for the experimental kernel code.
  330  */
  331 #ifndef NFS_NPROCS
  332 #define NFS_NPROCS              NFSV4_NPROCS
  333 #endif
  334 
  335 /*
  336  * NFSPROC_NOOP is a fake op# that can't be the same as any V2/3/4 Procedure
  337  * or Operation#. Since the NFS V4 Op #s go higher, use NFSV41_NOPS, which
  338  * is one greater than the highest Op#.
  339  */
  340 #define NFSPROC_NOOP            NFSV41_NOPS
  341 
  342 /* Actual Version 2 procedure numbers */
  343 #define NFSV2PROC_NULL          0
  344 #define NFSV2PROC_GETATTR       1
  345 #define NFSV2PROC_SETATTR       2
  346 #define NFSV2PROC_NOOP          3
  347 #define NFSV2PROC_ROOT          NFSV2PROC_NOOP  /* Obsolete */
  348 #define NFSV2PROC_LOOKUP        4
  349 #define NFSV2PROC_READLINK      5
  350 #define NFSV2PROC_READ          6
  351 #define NFSV2PROC_WRITECACHE    NFSV2PROC_NOOP  /* Obsolete */
  352 #define NFSV2PROC_WRITE         8
  353 #define NFSV2PROC_CREATE        9
  354 #define NFSV2PROC_REMOVE        10
  355 #define NFSV2PROC_RENAME        11
  356 #define NFSV2PROC_LINK          12
  357 #define NFSV2PROC_SYMLINK       13
  358 #define NFSV2PROC_MKDIR         14
  359 #define NFSV2PROC_RMDIR         15
  360 #define NFSV2PROC_READDIR       16
  361 #define NFSV2PROC_STATFS        17
  362 
  363 /*
  364  * V4 Procedure numbers
  365  */
  366 #define NFSV4PROC_COMPOUND      1
  367 #define NFSV4PROC_CBNULL        0
  368 #define NFSV4PROC_CBCOMPOUND    1
  369 
  370 /*
  371  * Constants used by the Version 3 and 4 protocols for various RPCs
  372  */
  373 #define NFSV3SATTRTIME_DONTCHANGE       0
  374 #define NFSV3SATTRTIME_TOSERVER         1
  375 #define NFSV3SATTRTIME_TOCLIENT         2
  376 
  377 #define NFSV4SATTRTIME_TOSERVER         0
  378 #define NFSV4SATTRTIME_TOCLIENT         1
  379 
  380 #define NFSV4LOCKT_READ                 1
  381 #define NFSV4LOCKT_WRITE                2
  382 #define NFSV4LOCKT_READW                3
  383 #define NFSV4LOCKT_WRITEW               4
  384 #define NFSV4LOCKT_RELEASE              5
  385 
  386 #define NFSV4OPEN_NOCREATE              0
  387 #define NFSV4OPEN_CREATE                1
  388 #define NFSV4OPEN_CLAIMNULL             0
  389 #define NFSV4OPEN_CLAIMPREVIOUS         1
  390 #define NFSV4OPEN_CLAIMDELEGATECUR      2
  391 #define NFSV4OPEN_CLAIMDELEGATEPREV     3
  392 #define NFSV4OPEN_CLAIMFH               4
  393 #define NFSV4OPEN_CLAIMDELEGATECURFH    5
  394 #define NFSV4OPEN_CLAIMDELEGATEPREVFH   6
  395 #define NFSV4OPEN_DELEGATENONE          0
  396 #define NFSV4OPEN_DELEGATEREAD          1
  397 #define NFSV4OPEN_DELEGATEWRITE         2
  398 #define NFSV4OPEN_DELEGATENONEEXT       3
  399 #define NFSV4OPEN_LIMITSIZE             1
  400 #define NFSV4OPEN_LIMITBLOCKS           2
  401 
  402 /*
  403  * Nfs V4 ACE stuff
  404  */
  405 #define NFSV4ACE_ALLOWEDTYPE            0x00000000
  406 #define NFSV4ACE_DENIEDTYPE             0x00000001
  407 #define NFSV4ACE_AUDITTYPE              0x00000002
  408 #define NFSV4ACE_ALARMTYPE              0x00000003
  409 
  410 #define NFSV4ACE_SUPALLOWED             0x00000001
  411 #define NFSV4ACE_SUPDENIED              0x00000002
  412 #define NFSV4ACE_SUPAUDIT               0x00000004
  413 #define NFSV4ACE_SUPALARM               0x00000008
  414 
  415 #define NFSV4ACE_SUPTYPES       (NFSV4ACE_SUPALLOWED | NFSV4ACE_SUPDENIED)
  416 
  417 #define NFSV4ACE_FILEINHERIT            0x00000001
  418 #define NFSV4ACE_DIRECTORYINHERIT       0x00000002
  419 #define NFSV4ACE_NOPROPAGATEINHERIT     0x00000004
  420 #define NFSV4ACE_INHERITONLY            0x00000008
  421 #define NFSV4ACE_SUCCESSFULACCESS       0x00000010
  422 #define NFSV4ACE_FAILEDACCESS           0x00000020
  423 #define NFSV4ACE_IDENTIFIERGROUP        0x00000040
  424 
  425 #define NFSV4ACE_READDATA               0x00000001
  426 #define NFSV4ACE_LISTDIRECTORY          0x00000001
  427 #define NFSV4ACE_WRITEDATA              0x00000002
  428 #define NFSV4ACE_ADDFILE                0x00000002
  429 #define NFSV4ACE_APPENDDATA             0x00000004
  430 #define NFSV4ACE_ADDSUBDIRECTORY        0x00000004
  431 #define NFSV4ACE_READNAMEDATTR          0x00000008
  432 #define NFSV4ACE_WRITENAMEDATTR         0x00000010
  433 #define NFSV4ACE_EXECUTE                0x00000020
  434 #define NFSV4ACE_SEARCH                 0x00000020
  435 #define NFSV4ACE_DELETECHILD            0x00000040
  436 #define NFSV4ACE_READATTRIBUTES         0x00000080
  437 #define NFSV4ACE_WRITEATTRIBUTES        0x00000100
  438 #define NFSV4ACE_DELETE                 0x00010000
  439 #define NFSV4ACE_READACL                0x00020000
  440 #define NFSV4ACE_WRITEACL               0x00040000
  441 #define NFSV4ACE_WRITEOWNER             0x00080000
  442 #define NFSV4ACE_SYNCHRONIZE            0x00100000
  443 
  444 /*
  445  * Here are the mappings between mode bits and acl mask bits for
  446  * directories and other files.
  447  * (Named attributes have not been included, since named attributes are
  448  *  not yet supported.)
  449  * The mailing list seems to indicate that NFSV4ACE_EXECUTE refers to
  450  * searching a directory, although I can't find a statement of that in
  451  * the RFC.
  452  */
  453 #define NFSV4ACE_ALLFILESMASK   (NFSV4ACE_READATTRIBUTES | NFSV4ACE_READACL)
  454 #define NFSV4ACE_OWNERMASK      (NFSV4ACE_WRITEATTRIBUTES | NFSV4ACE_WRITEACL)
  455 #define NFSV4ACE_DIRREADMASK    NFSV4ACE_LISTDIRECTORY
  456 #define NFSV4ACE_DIREXECUTEMASK NFSV4ACE_EXECUTE
  457 #define NFSV4ACE_DIRWRITEMASK   (NFSV4ACE_ADDFILE |                     \
  458                 NFSV4ACE_ADDSUBDIRECTORY | NFSV4ACE_DELETECHILD)
  459 #define NFSV4ACE_READMASK       NFSV4ACE_READDATA
  460 #define NFSV4ACE_WRITEMASK      (NFSV4ACE_WRITEDATA | NFSV4ACE_APPENDDATA)
  461 #define NFSV4ACE_EXECUTEMASK    NFSV4ACE_EXECUTE
  462 #define NFSV4ACE_ALLFILEBITS    (NFSV4ACE_READMASK | NFSV4ACE_WRITEMASK | \
  463         NFSV4ACE_EXECUTEMASK | NFSV4ACE_SYNCHRONIZE)
  464 #define NFSV4ACE_ALLDIRBITS     (NFSV4ACE_DIRREADMASK |                 \
  465         NFSV4ACE_DIRWRITEMASK | NFSV4ACE_DIREXECUTEMASK)
  466 #define NFSV4ACE_AUDITMASK      0x0
  467 
  468 /*
  469  * These GENERIC masks are not used and are no longer believed to be useful.
  470  */
  471 #define NFSV4ACE_GENERICREAD            0x00120081
  472 #define NFSV4ACE_GENERICWRITE           0x00160106
  473 #define NFSV4ACE_GENERICEXECUTE         0x001200a0
  474 
  475 #define NFSSTATEID_PUTALLZERO           0
  476 #define NFSSTATEID_PUTALLONE            1
  477 #define NFSSTATEID_PUTSTATEID           2
  478 #define NFSSTATEID_PUTSEQIDZERO         3
  479 
  480 /*
  481  * Bits for share access and deny.
  482  */
  483 #define NFSV4OPEN_ACCESSREAD            0x00000001
  484 #define NFSV4OPEN_ACCESSWRITE           0x00000002
  485 #define NFSV4OPEN_ACCESSBOTH            0x00000003
  486 #define NFSV4OPEN_WANTDELEGMASK         0x0000ff00
  487 #define NFSV4OPEN_WANTREADDELEG         0x00000100
  488 #define NFSV4OPEN_WANTWRITEDELEG        0x00000200
  489 #define NFSV4OPEN_WANTANYDELEG          0x00000300
  490 #define NFSV4OPEN_WANTNODELEG           0x00000400
  491 #define NFSV4OPEN_WANTCANCEL            0x00000500
  492 #define NFSV4OPEN_WANTSIGNALDELEG       0x00010000
  493 #define NFSV4OPEN_WANTPUSHDELEG         0x00020000
  494 
  495 #define NFSV4OPEN_DENYNONE              0x00000000
  496 #define NFSV4OPEN_DENYREAD              0x00000001
  497 #define NFSV4OPEN_DENYWRITE             0x00000002
  498 #define NFSV4OPEN_DENYBOTH              0x00000003
  499 
  500 /*
  501  * Delegate_none_ext reply values.
  502  */
  503 #define NFSV4OPEN_NOTWANTED             0
  504 #define NFSV4OPEN_CONTENTION            1
  505 #define NFSV4OPEN_RESOURCE              2
  506 #define NFSV4OPEN_NOTSUPPFTYPE          3
  507 #define NFSV4OPEN_NOTSUPPWRITEFTYPE     4
  508 #define NFSV4OPEN_NOTSUPPUPGRADE        5
  509 #define NFSV4OPEN_NOTSUPPDOWNGRADE      6
  510 #define NFSV4OPEN_CANCELLED             7
  511 #define NFSV4OPEN_ISDIR                 8
  512 
  513 /*
  514  * Open result flags
  515  * (The first four are in the spec. The rest are used internally.)
  516  */
  517 #define NFSV4OPEN_RESULTCONFIRM         0x00000002
  518 #define NFSV4OPEN_LOCKTYPEPOSIX         0x00000004
  519 #define NFSV4OPEN_PRESERVEUNLINKED      0x00000008
  520 #define NFSV4OPEN_MAYNOTIFYLOCK         0x00000020
  521 #define NFSV4OPEN_RFLAGS                                                \
  522     (NFSV4OPEN_RESULTCONFIRM | NFSV4OPEN_LOCKTYPEPOSIX |                \
  523     NFSV4OPEN_PRESERVEUNLINKED | NFSV4OPEN_MAYNOTIFYLOCK)
  524 #define NFSV4OPEN_RECALL                0x00010000
  525 #define NFSV4OPEN_READDELEGATE          0x00020000
  526 #define NFSV4OPEN_WRITEDELEGATE         0x00040000
  527 #define NFSV4OPEN_WDRESOURCE            0x00080000
  528 #define NFSV4OPEN_WDCONTENTION          0x00100000
  529 #define NFSV4OPEN_WDNOTWANTED           0x00200000
  530 
  531 /*
  532  * NFS V4 File Handle types
  533  */
  534 #define NFSV4FHTYPE_PERSISTENT          0x0
  535 #define NFSV4FHTYPE_NOEXPIREWITHOPEN    0x1
  536 #define NFSV4FHTYPE_VOLATILEANY         0x2
  537 #define NFSV4FHTYPE_VOLATILEMIGRATE     0x4
  538 #define NFSV4FHTYPE_VOLATILERENAME      0x8
  539 
  540 /*
  541  * Maximum size of V4 opaque strings.
  542  */
  543 #define NFSV4_OPAQUELIMIT       1024
  544 
  545 /*
  546  * These are the same for V3 and V4.
  547  */
  548 #define NFSACCESS_READ                  0x01
  549 #define NFSACCESS_LOOKUP                0x02
  550 #define NFSACCESS_MODIFY                0x04
  551 #define NFSACCESS_EXTEND                0x08
  552 #define NFSACCESS_DELETE                0x10
  553 #define NFSACCESS_EXECUTE               0x20
  554 
  555 #define NFSWRITE_UNSTABLE               0
  556 #define NFSWRITE_DATASYNC               1
  557 #define NFSWRITE_FILESYNC               2
  558 
  559 #define NFSCREATE_UNCHECKED             0
  560 #define NFSCREATE_GUARDED               1
  561 #define NFSCREATE_EXCLUSIVE             2
  562 #define NFSCREATE_EXCLUSIVE41           3
  563 
  564 #define NFSV3FSINFO_LINK                0x01
  565 #define NFSV3FSINFO_SYMLINK             0x02
  566 #define NFSV3FSINFO_HOMOGENEOUS         0x08
  567 #define NFSV3FSINFO_CANSETTIME          0x10
  568 
  569 /* Flags for Exchange ID */
  570 #define NFSV4EXCH_SUPPMOVEDREFER        0x00000001
  571 #define NFSV4EXCH_SUPPMOVEDMIGR 0x00000002
  572 #define NFSV4EXCH_BINDPRINCSTATEID      0x00000100
  573 #define NFSV4EXCH_USENONPNFS            0x00010000
  574 #define NFSV4EXCH_USEPNFSMDS            0x00020000
  575 #define NFSV4EXCH_USEPNFSDS             0x00040000
  576 #define NFSV4EXCH_MASKPNFS              0x00070000
  577 #define NFSV4EXCH_UPDCONFIRMEDRECA      0x40000000
  578 #define NFSV4EXCH_CONFIRMEDR            0x80000000
  579 
  580 /* State Protects */
  581 #define NFSV4EXCH_SP4NONE               0
  582 #define NFSV4EXCH_SP4MACHCRED           1
  583 #define NFSV4EXCH_SP4SSV                2
  584 
  585 /* Flags for Create Session */
  586 #define NFSV4CRSESS_PERSIST             0x00000001
  587 #define NFSV4CRSESS_CONNBACKCHAN        0x00000002
  588 #define NFSV4CRSESS_CONNRDMA            0x00000004
  589 
  590 /* Flags for Sequence */
  591 #define NFSV4SEQ_CBPATHDOWN             0x00000001
  592 #define NFSV4SEQ_CBGSSCONTEXPIRING      0x00000002
  593 #define NFSV4SEQ_CBGSSCONTEXPIRED       0x00000004
  594 #define NFSV4SEQ_EXPIREDALLSTATEREVOKED 0x00000008
  595 #define NFSV4SEQ_EXPIREDSOMESTATEREVOKED 0x00000010
  596 #define NFSV4SEQ_ADMINSTATEREVOKED      0x00000020
  597 #define NFSV4SEQ_RECALLABLESTATEREVOKED 0x00000040
  598 #define NFSV4SEQ_LEASEMOVED             0x00000080
  599 #define NFSV4SEQ_RESTARTRECLAIMNEEDED   0x00000100
  600 #define NFSV4SEQ_CBPATHDOWNSESSION      0x00000200
  601 #define NFSV4SEQ_BACKCHANNELFAULT       0x00000400
  602 #define NFSV4SEQ_DEVIDCHANGED           0x00000800
  603 #define NFSV4SEQ_DEVIDDELETED           0x00001000
  604 
  605 /* Flags for Layout. */
  606 #define NFSLAYOUTRETURN_FILE            1
  607 #define NFSLAYOUTRETURN_FSID            2
  608 #define NFSLAYOUTRETURN_ALL             3
  609 
  610 #define NFSLAYOUT_NFSV4_1_FILES         0x1
  611 #define NFSLAYOUT_OSD2_OBJECTS          0x2
  612 #define NFSLAYOUT_BLOCK_VOLUME          0x3
  613 
  614 #define NFSLAYOUTIOMODE_READ            1
  615 #define NFSLAYOUTIOMODE_RW              2
  616 #define NFSLAYOUTIOMODE_ANY             3
  617 
  618 /* Flags for Get Device Info. */
  619 #define NFSDEVICEIDNOTIFY_CHANGEBIT     0x1
  620 #define NFSDEVICEIDNOTIFY_DELETEBIT     0x2
  621 
  622 /* Flags for File Layout. */
  623 #define NFSFLAYUTIL_DENSE               0x1
  624 #define NFSFLAYUTIL_COMMIT_THRU_MDS     0x2
  625 
  626 /* Conversion macros */
  627 #define vtonfsv2_mode(t,m)                                              \
  628                 txdr_unsigned(((t) == VFIFO) ? MAKEIMODE(VCHR, (m)) :   \
  629                                 MAKEIMODE((t), (m)))
  630 #define vtonfsv34_mode(m)       txdr_unsigned((m) & 07777)
  631 #define nfstov_mode(a)          (fxdr_unsigned(u_int16_t, (a))&07777)
  632 #define vtonfsv2_type(a)  (((u_int32_t)(a)) >= 9 ? txdr_unsigned(NFNON) : \
  633                 txdr_unsigned(newnfsv2_type[((u_int32_t)(a))]))
  634 #define vtonfsv34_type(a)  (((u_int32_t)(a)) >= 9 ? txdr_unsigned(NFNON) : \
  635                 txdr_unsigned(nfsv34_type[((u_int32_t)(a))]))
  636 #define nfsv2tov_type(a)        newnv2tov_type[fxdr_unsigned(u_int32_t,(a))&0x7]
  637 #define nfsv34tov_type(a)       nv34tov_type[fxdr_unsigned(u_int32_t,(a))&0x7]
  638 #define vtonfs_dtype(a) (((u_int32_t)(a)) >= 9 ? IFTODT(VTTOIF(VNON)) : \
  639                          IFTODT(VTTOIF(a)))
  640 
  641 /* File types */
  642 typedef enum { NFNON=0, NFREG=1, NFDIR=2, NFBLK=3, NFCHR=4, NFLNK=5,
  643         NFSOCK=6, NFFIFO=7, NFATTRDIR=8, NFNAMEDATTR=9 } nfstype;
  644 
  645 /* Structs for common parts of the rpc's */
  646 
  647 struct nfsv2_time {
  648         u_int32_t nfsv2_sec;
  649         u_int32_t nfsv2_usec;
  650 };
  651 typedef struct nfsv2_time       nfstime2;
  652 
  653 struct nfsv3_time {
  654         u_int32_t nfsv3_sec;
  655         u_int32_t nfsv3_nsec;
  656 };
  657 typedef struct nfsv3_time       nfstime3;
  658 
  659 struct nfsv4_time {
  660         u_int32_t nfsv4_highsec;
  661         u_int32_t nfsv4_sec;
  662         u_int32_t nfsv4_nsec;
  663 };
  664 typedef struct nfsv4_time       nfstime4;
  665 
  666 /*
  667  * Quads are defined as arrays of 2 longs to ensure dense packing for the
  668  * protocol and to facilitate xdr conversion.
  669  */
  670 struct nfs_uquad {
  671         u_int32_t nfsuquad[2];
  672 };
  673 typedef struct nfs_uquad        nfsuint64;
  674 
  675 /*
  676  * Used to convert between two u_longs and a u_quad_t.
  677  */
  678 union nfs_quadconvert {
  679         u_int32_t lval[2];
  680         u_quad_t  qval;
  681 };
  682 typedef union nfs_quadconvert   nfsquad_t;
  683 
  684 /*
  685  * NFS Version 3 special file number.
  686  */
  687 struct nfsv3_spec {
  688         u_int32_t specdata1;
  689         u_int32_t specdata2;
  690 };
  691 typedef struct nfsv3_spec       nfsv3spec;
  692 
  693 /*
  694  * File attributes and setable attributes. These structures cover both
  695  * NFS version 2 and the version 3 protocol. Note that the union is only
  696  * used so that one pointer can refer to both variants. These structures
  697  * go out on the wire and must be densely packed, so no quad data types
  698  * are used. (all fields are longs or u_longs or structures of same)
  699  * NB: You can't do sizeof(struct nfs_fattr), you must use the
  700  *     NFSX_FATTR(v3) macro.
  701  */
  702 struct nfs_fattr {
  703         u_int32_t fa_type;
  704         u_int32_t fa_mode;
  705         u_int32_t fa_nlink;
  706         u_int32_t fa_uid;
  707         u_int32_t fa_gid;
  708         union {
  709                 struct {
  710                         u_int32_t nfsv2fa_size;
  711                         u_int32_t nfsv2fa_blocksize;
  712                         u_int32_t nfsv2fa_rdev;
  713                         u_int32_t nfsv2fa_blocks;
  714                         u_int32_t nfsv2fa_fsid;
  715                         u_int32_t nfsv2fa_fileid;
  716                         nfstime2  nfsv2fa_atime;
  717                         nfstime2  nfsv2fa_mtime;
  718                         nfstime2  nfsv2fa_ctime;
  719                 } fa_nfsv2;
  720                 struct {
  721                         nfsuint64 nfsv3fa_size;
  722                         nfsuint64 nfsv3fa_used;
  723                         nfsv3spec nfsv3fa_rdev;
  724                         nfsuint64 nfsv3fa_fsid;
  725                         nfsuint64 nfsv3fa_fileid;
  726                         nfstime3  nfsv3fa_atime;
  727                         nfstime3  nfsv3fa_mtime;
  728                         nfstime3  nfsv3fa_ctime;
  729                 } fa_nfsv3;
  730         } fa_un;
  731 };
  732 
  733 /* and some ugly defines for accessing union components */
  734 #define fa2_size                fa_un.fa_nfsv2.nfsv2fa_size
  735 #define fa2_blocksize           fa_un.fa_nfsv2.nfsv2fa_blocksize
  736 #define fa2_rdev                fa_un.fa_nfsv2.nfsv2fa_rdev
  737 #define fa2_blocks              fa_un.fa_nfsv2.nfsv2fa_blocks
  738 #define fa2_fsid                fa_un.fa_nfsv2.nfsv2fa_fsid
  739 #define fa2_fileid              fa_un.fa_nfsv2.nfsv2fa_fileid
  740 #define fa2_atime               fa_un.fa_nfsv2.nfsv2fa_atime
  741 #define fa2_mtime               fa_un.fa_nfsv2.nfsv2fa_mtime
  742 #define fa2_ctime               fa_un.fa_nfsv2.nfsv2fa_ctime
  743 #define fa3_size                fa_un.fa_nfsv3.nfsv3fa_size
  744 #define fa3_used                fa_un.fa_nfsv3.nfsv3fa_used
  745 #define fa3_rdev                fa_un.fa_nfsv3.nfsv3fa_rdev
  746 #define fa3_fsid                fa_un.fa_nfsv3.nfsv3fa_fsid
  747 #define fa3_fileid              fa_un.fa_nfsv3.nfsv3fa_fileid
  748 #define fa3_atime               fa_un.fa_nfsv3.nfsv3fa_atime
  749 #define fa3_mtime               fa_un.fa_nfsv3.nfsv3fa_mtime
  750 #define fa3_ctime               fa_un.fa_nfsv3.nfsv3fa_ctime
  751 
  752 struct nfsv2_sattr {
  753         u_int32_t sa_mode;
  754         u_int32_t sa_uid;
  755         u_int32_t sa_gid;
  756         u_int32_t sa_size;
  757         nfstime2  sa_atime;
  758         nfstime2  sa_mtime;
  759 };
  760 
  761 /*
  762  * NFS Version 3 sattr structure for the new node creation case.
  763  */
  764 struct nfsv3_sattr {
  765         u_int32_t sa_modetrue;
  766         u_int32_t sa_mode;
  767         u_int32_t sa_uidfalse;
  768         u_int32_t sa_gidfalse;
  769         u_int32_t sa_sizefalse;
  770         u_int32_t sa_atimetype;
  771         nfstime3  sa_atime;
  772         u_int32_t sa_mtimetype;
  773         nfstime3  sa_mtime;
  774 };
  775 
  776 /*
  777  * The attribute bits used for V4.
  778  * NFSATTRBIT_xxx defines the attribute# (and its bit position)
  779  * NFSATTRBM_xxx is a 32bit mask with the correct bit set within the
  780  *      appropriate 32bit word.
  781  * NFSATTRBIT_MAX is one greater than the largest NFSATTRBIT_xxx
  782  */
  783 #define NFSATTRBIT_SUPPORTEDATTRS       0
  784 #define NFSATTRBIT_TYPE                 1
  785 #define NFSATTRBIT_FHEXPIRETYPE         2
  786 #define NFSATTRBIT_CHANGE               3
  787 #define NFSATTRBIT_SIZE                 4
  788 #define NFSATTRBIT_LINKSUPPORT          5
  789 #define NFSATTRBIT_SYMLINKSUPPORT       6
  790 #define NFSATTRBIT_NAMEDATTR            7
  791 #define NFSATTRBIT_FSID                 8
  792 #define NFSATTRBIT_UNIQUEHANDLES        9
  793 #define NFSATTRBIT_LEASETIME            10
  794 #define NFSATTRBIT_RDATTRERROR          11
  795 #define NFSATTRBIT_ACL                  12
  796 #define NFSATTRBIT_ACLSUPPORT           13
  797 #define NFSATTRBIT_ARCHIVE              14
  798 #define NFSATTRBIT_CANSETTIME           15
  799 #define NFSATTRBIT_CASEINSENSITIVE      16
  800 #define NFSATTRBIT_CASEPRESERVING       17
  801 #define NFSATTRBIT_CHOWNRESTRICTED      18
  802 #define NFSATTRBIT_FILEHANDLE           19
  803 #define NFSATTRBIT_FILEID               20
  804 #define NFSATTRBIT_FILESAVAIL           21
  805 #define NFSATTRBIT_FILESFREE            22
  806 #define NFSATTRBIT_FILESTOTAL           23
  807 #define NFSATTRBIT_FSLOCATIONS          24
  808 #define NFSATTRBIT_HIDDEN               25
  809 #define NFSATTRBIT_HOMOGENEOUS          26
  810 #define NFSATTRBIT_MAXFILESIZE          27
  811 #define NFSATTRBIT_MAXLINK              28
  812 #define NFSATTRBIT_MAXNAME              29
  813 #define NFSATTRBIT_MAXREAD              30
  814 #define NFSATTRBIT_MAXWRITE             31
  815 #define NFSATTRBIT_MIMETYPE             32
  816 #define NFSATTRBIT_MODE                 33
  817 #define NFSATTRBIT_NOTRUNC              34
  818 #define NFSATTRBIT_NUMLINKS             35
  819 #define NFSATTRBIT_OWNER                36
  820 #define NFSATTRBIT_OWNERGROUP           37
  821 #define NFSATTRBIT_QUOTAHARD            38
  822 #define NFSATTRBIT_QUOTASOFT            39
  823 #define NFSATTRBIT_QUOTAUSED            40
  824 #define NFSATTRBIT_RAWDEV               41
  825 #define NFSATTRBIT_SPACEAVAIL           42
  826 #define NFSATTRBIT_SPACEFREE            43
  827 #define NFSATTRBIT_SPACETOTAL           44
  828 #define NFSATTRBIT_SPACEUSED            45
  829 #define NFSATTRBIT_SYSTEM               46
  830 #define NFSATTRBIT_TIMEACCESS           47
  831 #define NFSATTRBIT_TIMEACCESSSET        48
  832 #define NFSATTRBIT_TIMEBACKUP           49
  833 #define NFSATTRBIT_TIMECREATE           50
  834 #define NFSATTRBIT_TIMEDELTA            51
  835 #define NFSATTRBIT_TIMEMETADATA         52
  836 #define NFSATTRBIT_TIMEMODIFY           53
  837 #define NFSATTRBIT_TIMEMODIFYSET        54
  838 #define NFSATTRBIT_MOUNTEDONFILEID      55
  839 #define NFSATTRBIT_DIRNOTIFDELAY        56
  840 #define NFSATTRBIT_DIRENTNOTIFDELAY     57
  841 #define NFSATTRBIT_DACL                 58
  842 #define NFSATTRBIT_SACL                 59
  843 #define NFSATTRBIT_CHANGEPOLICY         60
  844 #define NFSATTRBIT_FSSTATUS             61
  845 #define NFSATTRBIT_FSLAYOUTTYPE         62
  846 #define NFSATTRBIT_LAYOUTHINT           63
  847 #define NFSATTRBIT_LAYOUTTYPE           64
  848 #define NFSATTRBIT_LAYOUTBLKSIZE        65
  849 #define NFSATTRBIT_LAYOUTALIGNMENT      66
  850 #define NFSATTRBIT_FSLOCATIONSINFO      67
  851 #define NFSATTRBIT_MDSTHRESHOLD         68
  852 #define NFSATTRBIT_RETENTIONGET         69
  853 #define NFSATTRBIT_RETENTIONSET         70
  854 #define NFSATTRBIT_RETENTEVTGET         71
  855 #define NFSATTRBIT_RETENTEVTSET         72
  856 #define NFSATTRBIT_RETENTIONHOLD        73
  857 #define NFSATTRBIT_MODESETMASKED        74
  858 #define NFSATTRBIT_SUPPATTREXCLCREAT    75
  859 #define NFSATTRBIT_FSCHARSETCAP         76
  860 
  861 #define NFSATTRBM_SUPPORTEDATTRS        0x00000001
  862 #define NFSATTRBM_TYPE                  0x00000002
  863 #define NFSATTRBM_FHEXPIRETYPE          0x00000004
  864 #define NFSATTRBM_CHANGE                0x00000008
  865 #define NFSATTRBM_SIZE                  0x00000010
  866 #define NFSATTRBM_LINKSUPPORT           0x00000020
  867 #define NFSATTRBM_SYMLINKSUPPORT        0x00000040
  868 #define NFSATTRBM_NAMEDATTR             0x00000080
  869 #define NFSATTRBM_FSID                  0x00000100
  870 #define NFSATTRBM_UNIQUEHANDLES         0x00000200
  871 #define NFSATTRBM_LEASETIME             0x00000400
  872 #define NFSATTRBM_RDATTRERROR           0x00000800
  873 #define NFSATTRBM_ACL                   0x00001000
  874 #define NFSATTRBM_ACLSUPPORT            0x00002000
  875 #define NFSATTRBM_ARCHIVE               0x00004000
  876 #define NFSATTRBM_CANSETTIME            0x00008000
  877 #define NFSATTRBM_CASEINSENSITIVE       0x00010000
  878 #define NFSATTRBM_CASEPRESERVING        0x00020000
  879 #define NFSATTRBM_CHOWNRESTRICTED       0x00040000
  880 #define NFSATTRBM_FILEHANDLE            0x00080000
  881 #define NFSATTRBM_FILEID                0x00100000
  882 #define NFSATTRBM_FILESAVAIL            0x00200000
  883 #define NFSATTRBM_FILESFREE             0x00400000
  884 #define NFSATTRBM_FILESTOTAL            0x00800000
  885 #define NFSATTRBM_FSLOCATIONS           0x01000000
  886 #define NFSATTRBM_HIDDEN                0x02000000
  887 #define NFSATTRBM_HOMOGENEOUS           0x04000000
  888 #define NFSATTRBM_MAXFILESIZE           0x08000000
  889 #define NFSATTRBM_MAXLINK               0x10000000
  890 #define NFSATTRBM_MAXNAME               0x20000000
  891 #define NFSATTRBM_MAXREAD               0x40000000
  892 #define NFSATTRBM_MAXWRITE              0x80000000
  893 #define NFSATTRBM_MIMETYPE              0x00000001
  894 #define NFSATTRBM_MODE                  0x00000002
  895 #define NFSATTRBM_NOTRUNC               0x00000004
  896 #define NFSATTRBM_NUMLINKS              0x00000008
  897 #define NFSATTRBM_OWNER                 0x00000010
  898 #define NFSATTRBM_OWNERGROUP            0x00000020
  899 #define NFSATTRBM_QUOTAHARD             0x00000040
  900 #define NFSATTRBM_QUOTASOFT             0x00000080
  901 #define NFSATTRBM_QUOTAUSED             0x00000100
  902 #define NFSATTRBM_RAWDEV                0x00000200
  903 #define NFSATTRBM_SPACEAVAIL            0x00000400
  904 #define NFSATTRBM_SPACEFREE             0x00000800
  905 #define NFSATTRBM_SPACETOTAL            0x00001000
  906 #define NFSATTRBM_SPACEUSED             0x00002000
  907 #define NFSATTRBM_SYSTEM                0x00004000
  908 #define NFSATTRBM_TIMEACCESS            0x00008000
  909 #define NFSATTRBM_TIMEACCESSSET         0x00010000
  910 #define NFSATTRBM_TIMEBACKUP            0x00020000
  911 #define NFSATTRBM_TIMECREATE            0x00040000
  912 #define NFSATTRBM_TIMEDELTA             0x00080000
  913 #define NFSATTRBM_TIMEMETADATA          0x00100000
  914 #define NFSATTRBM_TIMEMODIFY            0x00200000
  915 #define NFSATTRBM_TIMEMODIFYSET         0x00400000
  916 #define NFSATTRBM_MOUNTEDONFILEID       0x00800000
  917 #define NFSATTRBM_DIRNOTIFDELAY         0x01000000
  918 #define NFSATTRBM_DIRENTNOTIFDELAY      0x02000000
  919 #define NFSATTRBM_DACL                  0x04000000
  920 #define NFSATTRBM_SACL                  0x08000000
  921 #define NFSATTRBM_CHANGEPOLICY          0x10000000
  922 #define NFSATTRBM_FSSTATUS              0x20000000
  923 #define NFSATTRBM_FSLAYOUTTYPE          0x40000000
  924 #define NFSATTRBM_LAYOUTHINT            0x80000000
  925 #define NFSATTRBM_LAYOUTTYPE            0x00000001
  926 #define NFSATTRBM_LAYOUTBLKSIZE         0x00000002
  927 #define NFSATTRBM_LAYOUTALIGNMENT       0x00000004
  928 #define NFSATTRBM_FSLOCATIONSINFO       0x00000008
  929 #define NFSATTRBM_MDSTHRESHOLD          0x00000010
  930 #define NFSATTRBM_RETENTIONGET          0x00000020
  931 #define NFSATTRBM_RETENTIONSET          0x00000040
  932 #define NFSATTRBM_RETENTEVTGET          0x00000080
  933 #define NFSATTRBM_RETENTEVTSET          0x00000100
  934 #define NFSATTRBM_RETENTIONHOLD         0x00000200
  935 #define NFSATTRBM_MODESETMASKED         0x00000400
  936 #define NFSATTRBM_SUPPATTREXCLCREAT     0x00000800
  937 #define NFSATTRBM_FSCHARSETCAP          0x00001000
  938 
  939 #define NFSATTRBIT_MAX                  77
  940 
  941 /*
  942  * Sets of attributes that are supported, by words in the bitmap.
  943  */
  944 /*
  945  * NFSATTRBIT_SUPPORTED - SUPP0 - bits 0<->31
  946  *                        SUPP1 - bits 32<->63
  947  *                        SUPP2 - bits 64<->95
  948  */
  949 #define NFSATTRBIT_SUPP0                                                \
  950         (NFSATTRBM_SUPPORTEDATTRS |                                     \
  951         NFSATTRBM_TYPE |                                                \
  952         NFSATTRBM_FHEXPIRETYPE |                                        \
  953         NFSATTRBM_CHANGE |                                              \
  954         NFSATTRBM_SIZE |                                                \
  955         NFSATTRBM_LINKSUPPORT |                                         \
  956         NFSATTRBM_SYMLINKSUPPORT |                                      \
  957         NFSATTRBM_NAMEDATTR |                                           \
  958         NFSATTRBM_FSID |                                                \
  959         NFSATTRBM_UNIQUEHANDLES |                                       \
  960         NFSATTRBM_LEASETIME |                                           \
  961         NFSATTRBM_RDATTRERROR |                                         \
  962         NFSATTRBM_ACL |                                                 \
  963         NFSATTRBM_ACLSUPPORT |                                          \
  964         NFSATTRBM_CANSETTIME |                                          \
  965         NFSATTRBM_CASEINSENSITIVE |                                     \
  966         NFSATTRBM_CASEPRESERVING |                                      \
  967         NFSATTRBM_CHOWNRESTRICTED |                                     \
  968         NFSATTRBM_FILEHANDLE |                                          \
  969         NFSATTRBM_FILEID |                                              \
  970         NFSATTRBM_FILESAVAIL |                                          \
  971         NFSATTRBM_FILESFREE |                                           \
  972         NFSATTRBM_FILESTOTAL |                                          \
  973         NFSATTRBM_FSLOCATIONS |                                         \
  974         NFSATTRBM_HOMOGENEOUS |                                         \
  975         NFSATTRBM_MAXFILESIZE |                                         \
  976         NFSATTRBM_MAXLINK |                                             \
  977         NFSATTRBM_MAXNAME |                                             \
  978         NFSATTRBM_MAXREAD |                                             \
  979         NFSATTRBM_MAXWRITE)
  980 
  981 /*
  982  * NFSATTRBIT_S1 - subset of SUPP1 - OR of the following bits:
  983  */
  984 #define NFSATTRBIT_S1                                                   \
  985         (NFSATTRBM_MODE |                                               \
  986         NFSATTRBM_NOTRUNC |                                             \
  987         NFSATTRBM_NUMLINKS |                                            \
  988         NFSATTRBM_OWNER |                                               \
  989         NFSATTRBM_OWNERGROUP |                                          \
  990         NFSATTRBM_RAWDEV |                                              \
  991         NFSATTRBM_SPACEAVAIL |                                          \
  992         NFSATTRBM_SPACEFREE |                                           \
  993         NFSATTRBM_SPACETOTAL |                                          \
  994         NFSATTRBM_SPACEUSED |                                           \
  995         NFSATTRBM_TIMEACCESS |                                          \
  996         NFSATTRBM_TIMEDELTA |                                           \
  997         NFSATTRBM_TIMEMETADATA |                                        \
  998         NFSATTRBM_TIMEMODIFY |                                          \
  999         NFSATTRBM_MOUNTEDONFILEID)
 1000 
 1001 #ifdef QUOTA
 1002 /*
 1003  * If QUOTA OR in NFSATTRBIT_QUOTAHARD, NFSATTRBIT_QUOTASOFT and
 1004  * NFSATTRBIT_QUOTAUSED.
 1005  */
 1006 #define NFSATTRBIT_SUPP1        (NFSATTRBIT_S1 |                        \
 1007                                 NFSATTRBM_QUOTAHARD |                   \
 1008                                 NFSATTRBM_QUOTASOFT |                   \
 1009                                 NFSATTRBM_QUOTAUSED)
 1010 #else
 1011 #define NFSATTRBIT_SUPP1        NFSATTRBIT_S1
 1012 #endif
 1013 
 1014 #define NFSATTRBIT_SUPP2        NFSATTRBM_SUPPATTREXCLCREAT
 1015 
 1016 /*
 1017  * NFSATTRBIT_SUPPSETONLY is the OR of NFSATTRBIT_TIMEACCESSSET and
 1018  * NFSATTRBIT_TIMEMODIFYSET.
 1019  */
 1020 #define NFSATTRBIT_SUPPSETONLY   (NFSATTRBM_TIMEACCESSSET |             \
 1021                                  NFSATTRBM_TIMEMODIFYSET)
 1022 
 1023 /*
 1024  * NFSATTRBIT_SETABLE - SETABLE0 - bits 0<->31
 1025  *                      SETABLE1 - bits 32<->63
 1026  *                      SETABLE2 - bits 64<->95
 1027  */
 1028 #define NFSATTRBIT_SETABLE0                                             \
 1029         (NFSATTRBM_SIZE |                                               \
 1030         NFSATTRBM_ACL)
 1031 #define NFSATTRBIT_SETABLE1                                             \
 1032         (NFSATTRBM_MODE |                                               \
 1033         NFSATTRBM_OWNER |                                               \
 1034         NFSATTRBM_OWNERGROUP |                                          \
 1035         NFSATTRBM_TIMEACCESSSET |                                       \
 1036         NFSATTRBM_TIMEMODIFYSET)
 1037 #define NFSATTRBIT_SETABLE2             0
 1038 
 1039 /*
 1040  * Set of attributes that the getattr vnode op needs.
 1041  * OR of the following bits.
 1042  * NFSATTRBIT_GETATTR0 - bits 0<->31
 1043  */
 1044 #define NFSATTRBIT_GETATTR0                                             \
 1045         (NFSATTRBM_SUPPORTEDATTRS |                                     \
 1046         NFSATTRBM_TYPE |                                                \
 1047         NFSATTRBM_CHANGE |                                              \
 1048         NFSATTRBM_SIZE |                                                \
 1049         NFSATTRBM_FSID |                                                \
 1050         NFSATTRBM_FILEID |                                              \
 1051         NFSATTRBM_MAXREAD)
 1052 
 1053 /*
 1054  * NFSATTRBIT_GETATTR1 - bits 32<->63
 1055  */
 1056 #define NFSATTRBIT_GETATTR1                                             \
 1057         (NFSATTRBM_MODE |                                               \
 1058         NFSATTRBM_NUMLINKS |                                            \
 1059         NFSATTRBM_OWNER |                                               \
 1060         NFSATTRBM_OWNERGROUP |                                          \
 1061         NFSATTRBM_RAWDEV |                                              \
 1062         NFSATTRBM_SPACEUSED |                                           \
 1063         NFSATTRBM_TIMEACCESS |                                          \
 1064         NFSATTRBM_TIMEMETADATA |                                        \
 1065         NFSATTRBM_TIMEMODIFY)
 1066 
 1067 /*
 1068  * NFSATTRBIT_GETATTR2 - bits 64<->95
 1069  */
 1070 #define NFSATTRBIT_GETATTR2             0
 1071 
 1072 /*
 1073  * Subset of the above that the Write RPC gets.
 1074  * OR of the following bits.
 1075  * NFSATTRBIT_WRITEGETATTR0 - bits 0<->31
 1076  */
 1077 #define NFSATTRBIT_WRITEGETATTR0                                        \
 1078         (NFSATTRBM_SUPPORTEDATTRS |                                     \
 1079         NFSATTRBM_TYPE |                                                \
 1080         NFSATTRBM_CHANGE |                                              \
 1081         NFSATTRBM_SIZE |                                                \
 1082         NFSATTRBM_FSID |                                                \
 1083         NFSATTRBM_FILEID |                                              \
 1084         NFSATTRBM_MAXREAD)
 1085 
 1086 /*
 1087  * NFSATTRBIT_WRITEGETATTR1 - bits 32<->63
 1088  */
 1089 #define NFSATTRBIT_WRITEGETATTR1                                        \
 1090         (NFSATTRBM_MODE |                                               \
 1091         NFSATTRBM_NUMLINKS |                                            \
 1092         NFSATTRBM_RAWDEV |                                              \
 1093         NFSATTRBM_SPACEUSED |                                           \
 1094         NFSATTRBM_TIMEACCESS |                                          \
 1095         NFSATTRBM_TIMEMETADATA |                                        \
 1096         NFSATTRBM_TIMEMODIFY)
 1097 
 1098 /*
 1099  * NFSATTRBIT_WRITEGETATTR2 - bits 64<->95
 1100  */
 1101 #define NFSATTRBIT_WRITEGETATTR2        0
 1102 
 1103 /*
 1104  * Set of attributes that the wccattr operation op needs.
 1105  * OR of the following bits.
 1106  * NFSATTRBIT_WCCATTR0 - bits 0<->31
 1107  */
 1108 #define NFSATTRBIT_WCCATTR0     0
 1109 
 1110 /*
 1111  * NFSATTRBIT_WCCATTR1 - bits 32<->63
 1112  */
 1113 #define NFSATTRBIT_WCCATTR1                                             \
 1114         (NFSATTRBM_TIMEMODIFY)
 1115 
 1116 /*
 1117  * NFSATTRBIT_WCCATTR2 - bits 64<->95
 1118  */
 1119 #define NFSATTRBIT_WCCATTR2             0
 1120 
 1121 /*
 1122  * NFSATTRBIT_CBGETATTR0 - bits 0<->31
 1123  */
 1124 #define NFSATTRBIT_CBGETATTR0   (NFSATTRBM_CHANGE | NFSATTRBM_SIZE)
 1125 
 1126 /*
 1127  * NFSATTRBIT_CBGETATTR1 - bits 32<->63
 1128  */
 1129 #define NFSATTRBIT_CBGETATTR1           0x0
 1130 
 1131 /*
 1132  * NFSATTRBIT_CBGETATTR2 - bits 64<->95
 1133  */
 1134 #define NFSATTRBIT_CBGETATTR2           0x0
 1135 
 1136 /*
 1137  * Sets of attributes that require a VFS_STATFS() call to get the
 1138  * values of.
 1139  * NFSATTRBIT_STATFS0 - bits 0<->31
 1140  */
 1141 #define NFSATTRBIT_STATFS0                                              \
 1142         (NFSATTRBM_LINKSUPPORT |                                        \
 1143         NFSATTRBM_SYMLINKSUPPORT |                                      \
 1144         NFSATTRBM_CANSETTIME |                                          \
 1145         NFSATTRBM_FILESAVAIL |                                          \
 1146         NFSATTRBM_FILESFREE |                                           \
 1147         NFSATTRBM_FILESTOTAL |                                          \
 1148         NFSATTRBM_HOMOGENEOUS |                                         \
 1149         NFSATTRBM_MAXFILESIZE |                                         \
 1150         NFSATTRBM_MAXNAME |                                             \
 1151         NFSATTRBM_MAXREAD |                                             \
 1152         NFSATTRBM_MAXWRITE)
 1153 
 1154 /*
 1155  * NFSATTRBIT_STATFS1 - bits 32<->63
 1156  */
 1157 #define NFSATTRBIT_STATFS1                                              \
 1158         (NFSATTRBM_QUOTAHARD |                                          \
 1159         NFSATTRBM_QUOTASOFT |                                           \
 1160         NFSATTRBM_QUOTAUSED |                                           \
 1161         NFSATTRBM_SPACEAVAIL |                                          \
 1162         NFSATTRBM_SPACEFREE |                                           \
 1163         NFSATTRBM_SPACETOTAL |                                          \
 1164         NFSATTRBM_SPACEUSED |                                           \
 1165         NFSATTRBM_TIMEDELTA)
 1166 
 1167 /*
 1168  * NFSATTRBIT_STATFS2 - bits 64<->95
 1169  */
 1170 #define NFSATTRBIT_STATFS2              0
 1171 
 1172 /*
 1173  * These are the bits that are needed by the nfs_statfs() call.
 1174  * (The regular getattr bits are or'd in so the vnode gets the correct
 1175  *  type, etc.)
 1176  * NFSGETATTRBIT_STATFS0 - bits 0<->31
 1177  */
 1178 #define NFSGETATTRBIT_STATFS0   (NFSATTRBIT_GETATTR0 |                  \
 1179                                 NFSATTRBM_LINKSUPPORT |                 \
 1180                                 NFSATTRBM_SYMLINKSUPPORT |              \
 1181                                 NFSATTRBM_CANSETTIME |                  \
 1182                                 NFSATTRBM_FILESFREE |                   \
 1183                                 NFSATTRBM_FILESTOTAL |                  \
 1184                                 NFSATTRBM_HOMOGENEOUS |                 \
 1185                                 NFSATTRBM_MAXFILESIZE |                 \
 1186                                 NFSATTRBM_MAXNAME |                     \
 1187                                 NFSATTRBM_MAXREAD |                     \
 1188                                 NFSATTRBM_MAXWRITE)
 1189 
 1190 /*
 1191  * NFSGETATTRBIT_STATFS1 - bits 32<->63
 1192  */
 1193 #define NFSGETATTRBIT_STATFS1   (NFSATTRBIT_GETATTR1 |                  \
 1194                                 NFSATTRBM_SPACEAVAIL |                  \
 1195                                 NFSATTRBM_SPACEFREE |                   \
 1196                                 NFSATTRBM_SPACETOTAL |                  \
 1197                                 NFSATTRBM_TIMEDELTA)
 1198 
 1199 /*
 1200  * NFSGETATTRBIT_STATFS2 - bits 64<->95
 1201  */
 1202 #define NFSGETATTRBIT_STATFS2           0
 1203 
 1204 /*
 1205  * Set of attributes for the equivalent of an nfsv3 pathconf rpc.
 1206  * NFSGETATTRBIT_PATHCONF0 - bits 0<->31
 1207  */
 1208 #define NFSGETATTRBIT_PATHCONF0 (NFSATTRBIT_GETATTR0 |                  \
 1209                                 NFSATTRBM_CASEINSENSITIVE |             \
 1210                                 NFSATTRBM_CASEPRESERVING |              \
 1211                                 NFSATTRBM_CHOWNRESTRICTED |             \
 1212                                 NFSATTRBM_MAXLINK |                     \
 1213                                 NFSATTRBM_MAXNAME)
 1214 
 1215 /*
 1216  * NFSGETATTRBIT_PATHCONF1 - bits 32<->63
 1217  */
 1218 #define NFSGETATTRBIT_PATHCONF1 (NFSATTRBIT_GETATTR1 |                  \
 1219                                 NFSATTRBM_NOTRUNC)
 1220 
 1221 /*
 1222  * NFSGETATTRBIT_PATHCONF2 - bits 64<->95
 1223  */
 1224 #define NFSGETATTRBIT_PATHCONF2         0
 1225 
 1226 /*
 1227  * Sets of attributes required by readdir and readdirplus.
 1228  * NFSATTRBIT_READDIRPLUS0      (NFSATTRBIT_GETATTR0 | NFSATTRBIT_FILEHANDLE |
 1229  *                               NFSATTRBIT_RDATTRERROR)
 1230  */
 1231 #define NFSATTRBIT_READDIRPLUS0 (NFSATTRBIT_GETATTR0 | NFSATTRBM_FILEHANDLE | \
 1232                                 NFSATTRBM_RDATTRERROR)
 1233 #define NFSATTRBIT_READDIRPLUS1 NFSATTRBIT_GETATTR1
 1234 #define NFSATTRBIT_READDIRPLUS2         0
 1235 
 1236 /*
 1237  * Set of attributes supported by Referral vnodes.
 1238  */
 1239 #define NFSATTRBIT_REFERRAL0    (NFSATTRBM_TYPE | NFSATTRBM_FSID |      \
 1240         NFSATTRBM_RDATTRERROR | NFSATTRBM_FSLOCATIONS)
 1241 #define NFSATTRBIT_REFERRAL1    NFSATTRBM_MOUNTEDONFILEID
 1242 #define NFSATTRBIT_REFERRAL2            0
 1243 
 1244 /*
 1245  * Structure for data handled by the statfs rpc. Since some fields are
 1246  * u_int64_t, this cannot be used for copying data on/off the wire, due
 1247  * to alignment concerns.
 1248  */
 1249 struct nfsstatfs {
 1250         union {
 1251                 struct {
 1252                         u_int32_t nfsv2sf_tsize;
 1253                         u_int32_t nfsv2sf_bsize;
 1254                         u_int32_t nfsv2sf_blocks;
 1255                         u_int32_t nfsv2sf_bfree;
 1256                         u_int32_t nfsv2sf_bavail;
 1257                 } sf_nfsv2;
 1258                 struct {
 1259                         u_int64_t nfsv3sf_tbytes;
 1260                         u_int64_t nfsv3sf_fbytes;
 1261                         u_int64_t nfsv3sf_abytes;
 1262                         u_int64_t nfsv3sf_tfiles;
 1263                         u_int64_t nfsv3sf_ffiles;
 1264                         u_int64_t nfsv3sf_afiles;
 1265                         u_int32_t nfsv3sf_invarsec;
 1266                 } sf_nfsv3;
 1267         } sf_un;
 1268 };
 1269 
 1270 #define sf_tsize        sf_un.sf_nfsv2.nfsv2sf_tsize
 1271 #define sf_bsize        sf_un.sf_nfsv2.nfsv2sf_bsize
 1272 #define sf_blocks       sf_un.sf_nfsv2.nfsv2sf_blocks
 1273 #define sf_bfree        sf_un.sf_nfsv2.nfsv2sf_bfree
 1274 #define sf_bavail       sf_un.sf_nfsv2.nfsv2sf_bavail
 1275 #define sf_tbytes       sf_un.sf_nfsv3.nfsv3sf_tbytes
 1276 #define sf_fbytes       sf_un.sf_nfsv3.nfsv3sf_fbytes
 1277 #define sf_abytes       sf_un.sf_nfsv3.nfsv3sf_abytes
 1278 #define sf_tfiles       sf_un.sf_nfsv3.nfsv3sf_tfiles
 1279 #define sf_ffiles       sf_un.sf_nfsv3.nfsv3sf_ffiles
 1280 #define sf_afiles       sf_un.sf_nfsv3.nfsv3sf_afiles
 1281 #define sf_invarsec     sf_un.sf_nfsv3.nfsv3sf_invarsec
 1282 
 1283 /*
 1284  * Now defined using u_int64_t for the 64 bit field(s).
 1285  * (Cannot be used to move data on/off the wire, due to alignment concerns.)
 1286  */
 1287 struct nfsfsinfo {
 1288         u_int32_t fs_rtmax;
 1289         u_int32_t fs_rtpref;
 1290         u_int32_t fs_rtmult;
 1291         u_int32_t fs_wtmax;
 1292         u_int32_t fs_wtpref;
 1293         u_int32_t fs_wtmult;
 1294         u_int32_t fs_dtpref;
 1295         u_int64_t fs_maxfilesize;
 1296         struct timespec fs_timedelta;
 1297         u_int32_t fs_properties;
 1298 };
 1299 
 1300 /*
 1301  * Bits for fs_properties
 1302  */
 1303 #define NFSV3_FSFLINK           0x1
 1304 #define NFSV3_FSFSYMLINK        0x2
 1305 #define NFSV3_FSFHOMOGENEOUS    0x4
 1306 #define NFSV3_FSFCANSETTIME     0x8
 1307 
 1308 /*
 1309  * Yikes, overload fs_rtmult as fs_maxname for V4.
 1310  */
 1311 #define fs_maxname      fs_rtmult
 1312 
 1313 struct nfsv3_pathconf {
 1314         u_int32_t pc_linkmax;
 1315         u_int32_t pc_namemax;
 1316         u_int32_t pc_notrunc;
 1317         u_int32_t pc_chownrestricted;
 1318         u_int32_t pc_caseinsensitive;
 1319         u_int32_t pc_casepreserving;
 1320 };
 1321 
 1322 /*
 1323  * NFS V4 data structures.
 1324  */
 1325 struct nfsv4stateid {
 1326         u_int32_t       seqid;
 1327         u_int32_t       other[NFSX_STATEIDOTHER / NFSX_UNSIGNED];
 1328 };
 1329 typedef struct nfsv4stateid nfsv4stateid_t;
 1330 
 1331 #endif  /* _NFS_NFSPROTO_H_ */

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