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/9.0/sys/fs/nfs/nfsproto.h 223657 2011-06-28 22:52:38Z 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 NFSV4_CBVERS            1       /* V4 CB Version */
   66 #define NFSV4_SMALLSTR  50              /* Strings small enough for stack */
   67 
   68 /* Stat numbers for rpc returns (version 2, 3 and 4) */
   69 /*
   70  * These numbers are hard-wired in the RFCs, so they can't be changed.
   71  * The code currently assumes that the ones < 10000 are the same as
   72  * sys/errno.h and that sys/errno.h will never go as high as 10000.
   73  * If the value in sys/errno.h of any entry listed below is changed,
   74  * the NFS code must be modified to do the mapping between them.
   75  * (You can ignore NFSERR_WFLUSH, since it is never actually used.)
   76  */
   77 #define NFSERR_OK               0
   78 #define NFSERR_PERM             1
   79 #define NFSERR_NOENT            2
   80 #define NFSERR_IO               5
   81 #define NFSERR_NXIO             6
   82 #define NFSERR_ACCES            13
   83 #define NFSERR_EXIST            17
   84 #define NFSERR_XDEV             18      /* Version 3, 4 only */
   85 #define NFSERR_NODEV            19
   86 #define NFSERR_NOTDIR           20
   87 #define NFSERR_ISDIR            21
   88 #define NFSERR_INVAL            22      /* Version 3, 4 only */
   89 #define NFSERR_FBIG             27
   90 #define NFSERR_NOSPC            28
   91 #define NFSERR_ROFS             30
   92 #define NFSERR_MLINK            31      /* Version 3, 4 only */
   93 #define NFSERR_NAMETOL          63
   94 #define NFSERR_NOTEMPTY         66
   95 #define NFSERR_DQUOT            69
   96 #define NFSERR_STALE            70
   97 #define NFSERR_REMOTE           71      /* Version 3 only */
   98 #define NFSERR_WFLUSH           99      /* Version 2 only */
   99 #define NFSERR_BADHANDLE        10001   /* These are Version 3, 4 only */
  100 #define NFSERR_NOT_SYNC         10002   /* Version 3 Only */
  101 #define NFSERR_BAD_COOKIE       10003
  102 #define NFSERR_NOTSUPP          10004
  103 #define NFSERR_TOOSMALL         10005
  104 #define NFSERR_SERVERFAULT      10006
  105 #define NFSERR_BADTYPE          10007
  106 #define NFSERR_DELAY            10008   /* Called NFSERR_JUKEBOX for V3 */
  107 #define NFSERR_SAME             10009   /* These are Version 4 only */
  108 #define NFSERR_DENIED           10010
  109 #define NFSERR_EXPIRED          10011
  110 #define NFSERR_LOCKED           10012
  111 #define NFSERR_GRACE            10013
  112 #define NFSERR_FHEXPIRED        10014
  113 #define NFSERR_SHAREDENIED      10015
  114 #define NFSERR_WRONGSEC         10016
  115 #define NFSERR_CLIDINUSE        10017
  116 #define NFSERR_RESOURCE         10018
  117 #define NFSERR_MOVED            10019
  118 #define NFSERR_NOFILEHANDLE     10020
  119 #define NFSERR_MINORVERMISMATCH 10021
  120 #define NFSERR_STALECLIENTID    10022
  121 #define NFSERR_STALESTATEID     10023
  122 #define NFSERR_OLDSTATEID       10024
  123 #define NFSERR_BADSTATEID       10025
  124 #define NFSERR_BADSEQID         10026
  125 #define NFSERR_NOTSAME          10027
  126 #define NFSERR_LOCKRANGE        10028
  127 #define NFSERR_SYMLINK          10029
  128 #define NFSERR_RESTOREFH        10030
  129 #define NFSERR_LEASEMOVED       10031
  130 #define NFSERR_ATTRNOTSUPP      10032
  131 #define NFSERR_NOGRACE          10033
  132 #define NFSERR_RECLAIMBAD       10034
  133 #define NFSERR_RECLAIMCONFLICT  10035
  134 #define NFSERR_BADXDR           10036
  135 #define NFSERR_LOCKSHELD        10037
  136 #define NFSERR_OPENMODE         10038
  137 #define NFSERR_BADOWNER         10039
  138 #define NFSERR_BADCHAR          10040
  139 #define NFSERR_BADNAME          10041
  140 #define NFSERR_BADRANGE         10042
  141 #define NFSERR_LOCKNOTSUPP      10043
  142 #define NFSERR_OPILLEGAL        10044
  143 #define NFSERR_DEADLOCK         10045
  144 #define NFSERR_FILEOPEN         10046
  145 #define NFSERR_ADMINREVOKED     10047
  146 #define NFSERR_CBPATHDOWN       10048
  147 
  148 #define NFSERR_STALEWRITEVERF   30001   /* Fake return for nfs_commit() */
  149 #define NFSERR_DONTREPLY        30003   /* Don't process request */
  150 #define NFSERR_RETVOID          30004   /* Return void, not error */
  151 #define NFSERR_REPLYFROMCACHE   30005   /* Reply from recent request cache */
  152 #define NFSERR_STALEDONTRECOVER 30006   /* Don't initiate recovery */
  153 
  154 #define NFSERR_RPCERR           0x40000000 /* Mark an RPC layer error */
  155 #define NFSERR_AUTHERR          0x80000000 /* Mark an authentication error */
  156 
  157 #define NFSERR_RPCMISMATCH      (NFSERR_RPCERR | RPC_MISMATCH)
  158 #define NFSERR_PROGUNAVAIL      (NFSERR_RPCERR | RPC_PROGUNAVAIL)
  159 #define NFSERR_PROGMISMATCH     (NFSERR_RPCERR | RPC_PROGMISMATCH)
  160 #define NFSERR_PROGNOTV4        (NFSERR_RPCERR | 0xffff)
  161 #define NFSERR_PROCUNAVAIL      (NFSERR_RPCERR | RPC_PROCUNAVAIL)
  162 #define NFSERR_GARBAGE          (NFSERR_RPCERR | RPC_GARBAGE)
  163 
  164 /* Sizes in bytes of various nfs rpc components */
  165 #define NFSX_UNSIGNED   4
  166 #define NFSX_HYPER      (2 * NFSX_UNSIGNED)
  167 
  168 /* specific to NFS Version 2 */
  169 #define NFSX_V2FH       32
  170 #define NFSX_V2FATTR    68
  171 #define NFSX_V2SATTR    32
  172 #define NFSX_V2COOKIE   4
  173 #define NFSX_V2STATFS   20
  174 
  175 /* specific to NFS Version 3 */
  176 #define NFSX_V3FHMAX            64      /* max. allowed by protocol */
  177 #define NFSX_V3FATTR            84
  178 #define NFSX_V3SATTR            60      /* max. all fields filled in */
  179 #define NFSX_V3SRVSATTR         (sizeof (struct nfsv3_sattr))
  180 #define NFSX_V3POSTOPATTR       (NFSX_V3FATTR + NFSX_UNSIGNED)
  181 #define NFSX_V3WCCDATA          (NFSX_V3POSTOPATTR + 8 * NFSX_UNSIGNED)
  182 #define NFSX_V3STATFS           52
  183 #define NFSX_V3FSINFO           48
  184 #define NFSX_V3PATHCONF         24
  185 
  186 /* specific to NFS Version 4 */
  187 #define NFSX_V4FHMAX            128
  188 #define NFSX_V4FSID             (2 * NFSX_HYPER)
  189 #define NFSX_V4SPECDATA         (2 * NFSX_UNSIGNED)
  190 #define NFSX_V4TIME             (NFSX_HYPER + NFSX_UNSIGNED)
  191 #define NFSX_V4SETTIME          (NFSX_UNSIGNED + NFSX_V4TIME)
  192 
  193 /* sizes common to multiple NFS versions */
  194 #define NFSX_FHMAX              (NFSX_V4FHMAX)
  195 #define NFSX_MYFH               (sizeof (fhandle_t)) /* size this server uses */
  196 #define NFSX_VERF               8
  197 #define NFSX_STATEIDOTHER       12
  198 #define NFSX_STATEID            (NFSX_UNSIGNED + NFSX_STATEIDOTHER)
  199 #define NFSX_GSSH               12
  200 
  201 /* variants for multiple versions */
  202 #define NFSX_STATFS(v3)         ((v3) ? NFSX_V3STATFS : NFSX_V2STATFS)
  203 
  204 /* nfs rpc procedure numbers (before version mapping) */
  205 #define NFSPROC_NULL            0
  206 #define NFSPROC_GETATTR         1
  207 #define NFSPROC_SETATTR         2
  208 #define NFSPROC_LOOKUP          3
  209 #define NFSPROC_ACCESS          4
  210 #define NFSPROC_READLINK        5
  211 #define NFSPROC_READ            6
  212 #define NFSPROC_WRITE           7
  213 #define NFSPROC_CREATE          8
  214 #define NFSPROC_MKDIR           9
  215 #define NFSPROC_SYMLINK         10
  216 #define NFSPROC_MKNOD           11
  217 #define NFSPROC_REMOVE          12
  218 #define NFSPROC_RMDIR           13
  219 #define NFSPROC_RENAME          14
  220 #define NFSPROC_LINK            15
  221 #define NFSPROC_READDIR         16
  222 #define NFSPROC_READDIRPLUS     17
  223 #define NFSPROC_FSSTAT          18
  224 #define NFSPROC_FSINFO          19
  225 #define NFSPROC_PATHCONF        20
  226 #define NFSPROC_COMMIT          21
  227 
  228 /*
  229  * The lower numbers -> 21 are used by NFSv2 and v3. These define higher
  230  * numbers used by NFSv4.
  231  * NFS_V3NPROCS is one greater than the last V3 op and NFS_NPROCS is
  232  * one greater than the last number.
  233  */
  234 #ifndef NFS_V3NPROCS
  235 #define NFS_V3NPROCS            22
  236 
  237 #define NFSPROC_LOOKUPP         22
  238 #define NFSPROC_SETCLIENTID     23
  239 #define NFSPROC_SETCLIENTIDCFRM 24
  240 #define NFSPROC_LOCK            25
  241 #define NFSPROC_LOCKU           26
  242 #define NFSPROC_OPEN            27
  243 #define NFSPROC_CLOSE           28
  244 #define NFSPROC_OPENCONFIRM     29
  245 #define NFSPROC_LOCKT           30
  246 #define NFSPROC_OPENDOWNGRADE   31
  247 #define NFSPROC_RENEW           32
  248 #define NFSPROC_PUTROOTFH       33
  249 #define NFSPROC_RELEASELCKOWN   34
  250 #define NFSPROC_DELEGRETURN     35
  251 #define NFSPROC_RETDELEGREMOVE  36
  252 #define NFSPROC_RETDELEGRENAME1 37
  253 #define NFSPROC_RETDELEGRENAME2 38
  254 #define NFSPROC_GETACL          39
  255 #define NFSPROC_SETACL          40
  256 
  257 /*
  258  * Must be defined as one higher than the last Proc# above.
  259  */
  260 #define NFSV4_NPROCS            41
  261 #endif  /* NFS_V3NPROCS */
  262 
  263 /*
  264  * Define NFS_NPROCS as NFSV4_NPROCS for the experimental kernel code.
  265  */
  266 #ifndef NFS_NPROCS
  267 #define NFS_NPROCS              NFSV4_NPROCS
  268 #endif
  269 
  270 /*
  271  * NFSPROC_NOOP is a fake op# that can't be the same as any V2/3/4 Procedure
  272  * or Operation#. Since the NFS V4 Op #s go higher, use NFSV4OP_NOPS, which
  273  * is one greater than the highest Op#.
  274  */
  275 #define NFSPROC_NOOP            NFSV4OP_NOPS
  276 
  277 /* Actual Version 2 procedure numbers */
  278 #define NFSV2PROC_NULL          0
  279 #define NFSV2PROC_GETATTR       1
  280 #define NFSV2PROC_SETATTR       2
  281 #define NFSV2PROC_NOOP          3
  282 #define NFSV2PROC_ROOT          NFSV2PROC_NOOP  /* Obsolete */
  283 #define NFSV2PROC_LOOKUP        4
  284 #define NFSV2PROC_READLINK      5
  285 #define NFSV2PROC_READ          6
  286 #define NFSV2PROC_WRITECACHE    NFSV2PROC_NOOP  /* Obsolete */
  287 #define NFSV2PROC_WRITE         8
  288 #define NFSV2PROC_CREATE        9
  289 #define NFSV2PROC_REMOVE        10
  290 #define NFSV2PROC_RENAME        11
  291 #define NFSV2PROC_LINK          12
  292 #define NFSV2PROC_SYMLINK       13
  293 #define NFSV2PROC_MKDIR         14
  294 #define NFSV2PROC_RMDIR         15
  295 #define NFSV2PROC_READDIR       16
  296 #define NFSV2PROC_STATFS        17
  297 
  298 /*
  299  * V4 Procedure numbers
  300  */
  301 #define NFSV4PROC_COMPOUND      1
  302 #define NFSV4PROC_CBNULL        0
  303 #define NFSV4PROC_CBCOMPOUND    1
  304 
  305 /*
  306  * Constants used by the Version 3 and 4 protocols for various RPCs
  307  */
  308 #define NFSV3SATTRTIME_DONTCHANGE       0
  309 #define NFSV3SATTRTIME_TOSERVER         1
  310 #define NFSV3SATTRTIME_TOCLIENT         2
  311 
  312 #define NFSV4SATTRTIME_TOSERVER         0
  313 #define NFSV4SATTRTIME_TOCLIENT         1
  314 
  315 #define NFSV4LOCKT_READ                 1
  316 #define NFSV4LOCKT_WRITE                2
  317 #define NFSV4LOCKT_READW                3
  318 #define NFSV4LOCKT_WRITEW               4
  319 #define NFSV4LOCKT_RELEASE              5
  320 
  321 #define NFSV4OPEN_NOCREATE              0
  322 #define NFSV4OPEN_CREATE                1
  323 #define NFSV4OPEN_CLAIMNULL             0
  324 #define NFSV4OPEN_CLAIMPREVIOUS         1
  325 #define NFSV4OPEN_CLAIMDELEGATECUR      2
  326 #define NFSV4OPEN_CLAIMDELEGATEPREV     3
  327 #define NFSV4OPEN_DELEGATENONE          0
  328 #define NFSV4OPEN_DELEGATEREAD          1
  329 #define NFSV4OPEN_DELEGATEWRITE         2
  330 #define NFSV4OPEN_LIMITSIZE             1
  331 #define NFSV4OPEN_LIMITBLOCKS           2
  332 
  333 /*
  334  * Nfs V4 ACE stuff
  335  */
  336 #define NFSV4ACE_ALLOWEDTYPE            0x00000000
  337 #define NFSV4ACE_DENIEDTYPE             0x00000001
  338 #define NFSV4ACE_AUDITTYPE              0x00000002
  339 #define NFSV4ACE_ALARMTYPE              0x00000003
  340 
  341 #define NFSV4ACE_SUPALLOWED             0x00000001
  342 #define NFSV4ACE_SUPDENIED              0x00000002
  343 #define NFSV4ACE_SUPAUDIT               0x00000004
  344 #define NFSV4ACE_SUPALARM               0x00000008
  345 
  346 #define NFSV4ACE_SUPTYPES       (NFSV4ACE_SUPALLOWED | NFSV4ACE_SUPDENIED)
  347 
  348 #define NFSV4ACE_FILEINHERIT            0x00000001
  349 #define NFSV4ACE_DIRECTORYINHERIT       0x00000002
  350 #define NFSV4ACE_NOPROPAGATEINHERIT     0x00000004
  351 #define NFSV4ACE_INHERITONLY            0x00000008
  352 #define NFSV4ACE_SUCCESSFULACCESS       0x00000010
  353 #define NFSV4ACE_FAILEDACCESS           0x00000020
  354 #define NFSV4ACE_IDENTIFIERGROUP        0x00000040
  355 
  356 #define NFSV4ACE_READDATA               0x00000001
  357 #define NFSV4ACE_LISTDIRECTORY          0x00000001
  358 #define NFSV4ACE_WRITEDATA              0x00000002
  359 #define NFSV4ACE_ADDFILE                0x00000002
  360 #define NFSV4ACE_APPENDDATA             0x00000004
  361 #define NFSV4ACE_ADDSUBDIRECTORY        0x00000004
  362 #define NFSV4ACE_READNAMEDATTR          0x00000008
  363 #define NFSV4ACE_WRITENAMEDATTR         0x00000010
  364 #define NFSV4ACE_EXECUTE                0x00000020
  365 #define NFSV4ACE_SEARCH                 0x00000020
  366 #define NFSV4ACE_DELETECHILD            0x00000040
  367 #define NFSV4ACE_READATTRIBUTES         0x00000080
  368 #define NFSV4ACE_WRITEATTRIBUTES        0x00000100
  369 #define NFSV4ACE_DELETE                 0x00010000
  370 #define NFSV4ACE_READACL                0x00020000
  371 #define NFSV4ACE_WRITEACL               0x00040000
  372 #define NFSV4ACE_WRITEOWNER             0x00080000
  373 #define NFSV4ACE_SYNCHRONIZE            0x00100000
  374 
  375 /*
  376  * Here are the mappings between mode bits and acl mask bits for
  377  * directories and other files.
  378  * (Named attributes have not been included, since named attributes are
  379  *  not yet supported.)
  380  * The mailing list seems to indicate that NFSV4ACE_EXECUTE refers to
  381  * searching a directory, although I can't find a statement of that in
  382  * the RFC.
  383  */
  384 #define NFSV4ACE_ALLFILESMASK   (NFSV4ACE_READATTRIBUTES | NFSV4ACE_READACL)
  385 #define NFSV4ACE_OWNERMASK      (NFSV4ACE_WRITEATTRIBUTES | NFSV4ACE_WRITEACL)
  386 #define NFSV4ACE_DIRREADMASK    NFSV4ACE_LISTDIRECTORY
  387 #define NFSV4ACE_DIREXECUTEMASK NFSV4ACE_EXECUTE
  388 #define NFSV4ACE_DIRWRITEMASK   (NFSV4ACE_ADDFILE |                     \
  389                 NFSV4ACE_ADDSUBDIRECTORY | NFSV4ACE_DELETECHILD)
  390 #define NFSV4ACE_READMASK       NFSV4ACE_READDATA
  391 #define NFSV4ACE_WRITEMASK      (NFSV4ACE_WRITEDATA | NFSV4ACE_APPENDDATA)
  392 #define NFSV4ACE_EXECUTEMASK    NFSV4ACE_EXECUTE
  393 #define NFSV4ACE_ALLFILEBITS    (NFSV4ACE_READMASK | NFSV4ACE_WRITEMASK | \
  394         NFSV4ACE_EXECUTEMASK | NFSV4ACE_SYNCHRONIZE)
  395 #define NFSV4ACE_ALLDIRBITS     (NFSV4ACE_DIRREADMASK |                 \
  396         NFSV4ACE_DIRWRITEMASK | NFSV4ACE_DIREXECUTEMASK)
  397 #define NFSV4ACE_AUDITMASK      0x0
  398 
  399 /*
  400  * These GENERIC masks are not used and are no longer believed to be useful.
  401  */
  402 #define NFSV4ACE_GENERICREAD            0x00120081
  403 #define NFSV4ACE_GENERICWRITE           0x00160106
  404 #define NFSV4ACE_GENERICEXECUTE         0x001200a0
  405 
  406 #define NFSSTATEID_PUTALLZERO           0
  407 #define NFSSTATEID_PUTALLONE            1
  408 #define NFSSTATEID_PUTSTATEID           2
  409 
  410 /*
  411  * Bits for share access and deny.
  412  */
  413 #define NFSV4OPEN_ACCESSREAD            0x00000001
  414 #define NFSV4OPEN_ACCESSWRITE           0x00000002
  415 #define NFSV4OPEN_ACCESSBOTH            0x00000003
  416 
  417 #define NFSV4OPEN_DENYNONE              0x00000000
  418 #define NFSV4OPEN_DENYREAD              0x00000001
  419 #define NFSV4OPEN_DENYWRITE             0x00000002
  420 #define NFSV4OPEN_DENYBOTH              0x00000003
  421 
  422 /*
  423  * Open result flags
  424  * (The first two are in the spec. The rest are used internally.)
  425  */
  426 #define NFSV4OPEN_RESULTCONFIRM         0x00000002
  427 #define NFSV4OPEN_LOCKTYPEPOSIX         0x00000004
  428 #define NFSV4OPEN_RFLAGS                                                \
  429                 (NFSV4OPEN_RESULTCONFIRM | NFSV4OPEN_LOCKTYPEPOSIX)
  430 #define NFSV4OPEN_RECALL                0x00010000
  431 #define NFSV4OPEN_READDELEGATE          0x00020000
  432 #define NFSV4OPEN_WRITEDELEGATE         0x00040000
  433 
  434 /*
  435  * NFS V4 File Handle types
  436  */
  437 #define NFSV4FHTYPE_PERSISTENT          0x0
  438 #define NFSV4FHTYPE_NOEXPIREWITHOPEN    0x1
  439 #define NFSV4FHTYPE_VOLATILEANY         0x2
  440 #define NFSV4FHTYPE_VOLATILEMIGRATE     0x4
  441 #define NFSV4FHTYPE_VOLATILERENAME      0x8
  442 
  443 /*
  444  * Maximum size of V4 opaque strings.
  445  */
  446 #define NFSV4_OPAQUELIMIT       1024
  447 
  448 /*
  449  * These are the same for V3 and V4.
  450  */
  451 #define NFSACCESS_READ                  0x01
  452 #define NFSACCESS_LOOKUP                0x02
  453 #define NFSACCESS_MODIFY                0x04
  454 #define NFSACCESS_EXTEND                0x08
  455 #define NFSACCESS_DELETE                0x10
  456 #define NFSACCESS_EXECUTE               0x20
  457 
  458 #define NFSWRITE_UNSTABLE               0
  459 #define NFSWRITE_DATASYNC               1
  460 #define NFSWRITE_FILESYNC               2
  461 
  462 #define NFSCREATE_UNCHECKED             0
  463 #define NFSCREATE_GUARDED               1
  464 #define NFSCREATE_EXCLUSIVE             2
  465 
  466 #define NFSV3FSINFO_LINK                0x01
  467 #define NFSV3FSINFO_SYMLINK             0x02
  468 #define NFSV3FSINFO_HOMOGENEOUS         0x08
  469 #define NFSV3FSINFO_CANSETTIME          0x10
  470 
  471 /* Conversion macros */
  472 #define vtonfsv2_mode(t,m)                                              \
  473                 txdr_unsigned(((t) == VFIFO) ? MAKEIMODE(VCHR, (m)) :   \
  474                                 MAKEIMODE((t), (m)))
  475 #define vtonfsv34_mode(m)       txdr_unsigned((m) & 07777)
  476 #define nfstov_mode(a)          (fxdr_unsigned(u_int16_t, (a))&07777)
  477 #define vtonfsv2_type(a)  (((u_int32_t)(a)) >= 9 ? txdr_unsigned(NFNON) : \
  478                 txdr_unsigned(newnfsv2_type[((u_int32_t)(a))]))
  479 #define vtonfsv34_type(a)  (((u_int32_t)(a)) >= 9 ? txdr_unsigned(NFNON) : \
  480                 txdr_unsigned(nfsv34_type[((u_int32_t)(a))]))
  481 #define nfsv2tov_type(a)        newnv2tov_type[fxdr_unsigned(u_int32_t,(a))&0x7]
  482 #define nfsv34tov_type(a)       nv34tov_type[fxdr_unsigned(u_int32_t,(a))&0x7]
  483 #define vtonfs_dtype(a) (((u_int32_t)(a)) >= 9 ? IFTODT(VTTOIF(VNON)) : \
  484                          IFTODT(VTTOIF(a)))
  485 
  486 /* File types */
  487 typedef enum { NFNON=0, NFREG=1, NFDIR=2, NFBLK=3, NFCHR=4, NFLNK=5,
  488         NFSOCK=6, NFFIFO=7, NFATTRDIR=8, NFNAMEDATTR=9 } nfstype;
  489 
  490 /* Structs for common parts of the rpc's */
  491 
  492 struct nfsv2_time {
  493         u_int32_t nfsv2_sec;
  494         u_int32_t nfsv2_usec;
  495 };
  496 typedef struct nfsv2_time       nfstime2;
  497 
  498 struct nfsv3_time {
  499         u_int32_t nfsv3_sec;
  500         u_int32_t nfsv3_nsec;
  501 };
  502 typedef struct nfsv3_time       nfstime3;
  503 
  504 struct nfsv4_time {
  505         u_int32_t nfsv4_highsec;
  506         u_int32_t nfsv4_sec;
  507         u_int32_t nfsv4_nsec;
  508 };
  509 typedef struct nfsv4_time       nfstime4;
  510 
  511 /*
  512  * Quads are defined as arrays of 2 longs to ensure dense packing for the
  513  * protocol and to facilitate xdr conversion.
  514  */
  515 struct nfs_uquad {
  516         u_int32_t nfsuquad[2];
  517 };
  518 typedef struct nfs_uquad        nfsuint64;
  519 
  520 /*
  521  * Used to convert between two u_longs and a u_quad_t.
  522  */
  523 union nfs_quadconvert {
  524         u_int32_t lval[2];
  525         u_quad_t  qval;
  526 };
  527 typedef union nfs_quadconvert   nfsquad_t;
  528 
  529 /*
  530  * NFS Version 3 special file number.
  531  */
  532 struct nfsv3_spec {
  533         u_int32_t specdata1;
  534         u_int32_t specdata2;
  535 };
  536 typedef struct nfsv3_spec       nfsv3spec;
  537 
  538 /*
  539  * File attributes and setable attributes. These structures cover both
  540  * NFS version 2 and the version 3 protocol. Note that the union is only
  541  * used so that one pointer can refer to both variants. These structures
  542  * go out on the wire and must be densely packed, so no quad data types
  543  * are used. (all fields are longs or u_longs or structures of same)
  544  * NB: You can't do sizeof(struct nfs_fattr), you must use the
  545  *     NFSX_FATTR(v3) macro.
  546  */
  547 struct nfs_fattr {
  548         u_int32_t fa_type;
  549         u_int32_t fa_mode;
  550         u_int32_t fa_nlink;
  551         u_int32_t fa_uid;
  552         u_int32_t fa_gid;
  553         union {
  554                 struct {
  555                         u_int32_t nfsv2fa_size;
  556                         u_int32_t nfsv2fa_blocksize;
  557                         u_int32_t nfsv2fa_rdev;
  558                         u_int32_t nfsv2fa_blocks;
  559                         u_int32_t nfsv2fa_fsid;
  560                         u_int32_t nfsv2fa_fileid;
  561                         nfstime2  nfsv2fa_atime;
  562                         nfstime2  nfsv2fa_mtime;
  563                         nfstime2  nfsv2fa_ctime;
  564                 } fa_nfsv2;
  565                 struct {
  566                         nfsuint64 nfsv3fa_size;
  567                         nfsuint64 nfsv3fa_used;
  568                         nfsv3spec nfsv3fa_rdev;
  569                         nfsuint64 nfsv3fa_fsid;
  570                         nfsuint64 nfsv3fa_fileid;
  571                         nfstime3  nfsv3fa_atime;
  572                         nfstime3  nfsv3fa_mtime;
  573                         nfstime3  nfsv3fa_ctime;
  574                 } fa_nfsv3;
  575         } fa_un;
  576 };
  577 
  578 /* and some ugly defines for accessing union components */
  579 #define fa2_size                fa_un.fa_nfsv2.nfsv2fa_size
  580 #define fa2_blocksize           fa_un.fa_nfsv2.nfsv2fa_blocksize
  581 #define fa2_rdev                fa_un.fa_nfsv2.nfsv2fa_rdev
  582 #define fa2_blocks              fa_un.fa_nfsv2.nfsv2fa_blocks
  583 #define fa2_fsid                fa_un.fa_nfsv2.nfsv2fa_fsid
  584 #define fa2_fileid              fa_un.fa_nfsv2.nfsv2fa_fileid
  585 #define fa2_atime               fa_un.fa_nfsv2.nfsv2fa_atime
  586 #define fa2_mtime               fa_un.fa_nfsv2.nfsv2fa_mtime
  587 #define fa2_ctime               fa_un.fa_nfsv2.nfsv2fa_ctime
  588 #define fa3_size                fa_un.fa_nfsv3.nfsv3fa_size
  589 #define fa3_used                fa_un.fa_nfsv3.nfsv3fa_used
  590 #define fa3_rdev                fa_un.fa_nfsv3.nfsv3fa_rdev
  591 #define fa3_fsid                fa_un.fa_nfsv3.nfsv3fa_fsid
  592 #define fa3_fileid              fa_un.fa_nfsv3.nfsv3fa_fileid
  593 #define fa3_atime               fa_un.fa_nfsv3.nfsv3fa_atime
  594 #define fa3_mtime               fa_un.fa_nfsv3.nfsv3fa_mtime
  595 #define fa3_ctime               fa_un.fa_nfsv3.nfsv3fa_ctime
  596 
  597 struct nfsv2_sattr {
  598         u_int32_t sa_mode;
  599         u_int32_t sa_uid;
  600         u_int32_t sa_gid;
  601         u_int32_t sa_size;
  602         nfstime2  sa_atime;
  603         nfstime2  sa_mtime;
  604 };
  605 
  606 /*
  607  * NFS Version 3 sattr structure for the new node creation case.
  608  */
  609 struct nfsv3_sattr {
  610         u_int32_t sa_modetrue;
  611         u_int32_t sa_mode;
  612         u_int32_t sa_uidfalse;
  613         u_int32_t sa_gidfalse;
  614         u_int32_t sa_sizefalse;
  615         u_int32_t sa_atimetype;
  616         nfstime3  sa_atime;
  617         u_int32_t sa_mtimetype;
  618         nfstime3  sa_mtime;
  619 };
  620 
  621 /*
  622  * The attribute bits used for V4.
  623  * NFSATTRBIT_xxx defines the attribute# (and its bit position)
  624  * NFSATTRBM_xxx is a 32bit mask with the correct bit set within the
  625  *      appropriate 32bit word.
  626  * NFSATTRBIT_MAX is one greater than the largest NFSATTRBIT_xxx
  627  */
  628 #define NFSATTRBIT_SUPPORTEDATTRS       0
  629 #define NFSATTRBIT_TYPE                 1
  630 #define NFSATTRBIT_FHEXPIRETYPE         2
  631 #define NFSATTRBIT_CHANGE               3
  632 #define NFSATTRBIT_SIZE                 4
  633 #define NFSATTRBIT_LINKSUPPORT          5
  634 #define NFSATTRBIT_SYMLINKSUPPORT       6
  635 #define NFSATTRBIT_NAMEDATTR            7
  636 #define NFSATTRBIT_FSID                 8
  637 #define NFSATTRBIT_UNIQUEHANDLES        9
  638 #define NFSATTRBIT_LEASETIME            10
  639 #define NFSATTRBIT_RDATTRERROR          11
  640 #define NFSATTRBIT_ACL                  12
  641 #define NFSATTRBIT_ACLSUPPORT           13
  642 #define NFSATTRBIT_ARCHIVE              14
  643 #define NFSATTRBIT_CANSETTIME           15
  644 #define NFSATTRBIT_CASEINSENSITIVE      16
  645 #define NFSATTRBIT_CASEPRESERVING       17
  646 #define NFSATTRBIT_CHOWNRESTRICTED      18
  647 #define NFSATTRBIT_FILEHANDLE           19
  648 #define NFSATTRBIT_FILEID               20
  649 #define NFSATTRBIT_FILESAVAIL           21
  650 #define NFSATTRBIT_FILESFREE            22
  651 #define NFSATTRBIT_FILESTOTAL           23
  652 #define NFSATTRBIT_FSLOCATIONS          24
  653 #define NFSATTRBIT_HIDDEN               25
  654 #define NFSATTRBIT_HOMOGENEOUS          26
  655 #define NFSATTRBIT_MAXFILESIZE          27
  656 #define NFSATTRBIT_MAXLINK              28
  657 #define NFSATTRBIT_MAXNAME              29
  658 #define NFSATTRBIT_MAXREAD              30
  659 #define NFSATTRBIT_MAXWRITE             31
  660 #define NFSATTRBIT_MIMETYPE             32
  661 #define NFSATTRBIT_MODE                 33
  662 #define NFSATTRBIT_NOTRUNC              34
  663 #define NFSATTRBIT_NUMLINKS             35
  664 #define NFSATTRBIT_OWNER                36
  665 #define NFSATTRBIT_OWNERGROUP           37
  666 #define NFSATTRBIT_QUOTAHARD            38
  667 #define NFSATTRBIT_QUOTASOFT            39
  668 #define NFSATTRBIT_QUOTAUSED            40
  669 #define NFSATTRBIT_RAWDEV               41
  670 #define NFSATTRBIT_SPACEAVAIL           42
  671 #define NFSATTRBIT_SPACEFREE            43
  672 #define NFSATTRBIT_SPACETOTAL           44
  673 #define NFSATTRBIT_SPACEUSED            45
  674 #define NFSATTRBIT_SYSTEM               46
  675 #define NFSATTRBIT_TIMEACCESS           47
  676 #define NFSATTRBIT_TIMEACCESSSET        48
  677 #define NFSATTRBIT_TIMEBACKUP           49
  678 #define NFSATTRBIT_TIMECREATE           50
  679 #define NFSATTRBIT_TIMEDELTA            51
  680 #define NFSATTRBIT_TIMEMETADATA         52
  681 #define NFSATTRBIT_TIMEMODIFY           53
  682 #define NFSATTRBIT_TIMEMODIFYSET        54
  683 #define NFSATTRBIT_MOUNTEDONFILEID      55
  684 
  685 #define NFSATTRBM_SUPPORTEDATTRS        0x00000001
  686 #define NFSATTRBM_TYPE                  0x00000002
  687 #define NFSATTRBM_FHEXPIRETYPE          0x00000004
  688 #define NFSATTRBM_CHANGE                0x00000008
  689 #define NFSATTRBM_SIZE                  0x00000010
  690 #define NFSATTRBM_LINKSUPPORT           0x00000020
  691 #define NFSATTRBM_SYMLINKSUPPORT        0x00000040
  692 #define NFSATTRBM_NAMEDATTR             0x00000080
  693 #define NFSATTRBM_FSID                  0x00000100
  694 #define NFSATTRBM_UNIQUEHANDLES         0x00000200
  695 #define NFSATTRBM_LEASETIME             0x00000400
  696 #define NFSATTRBM_RDATTRERROR           0x00000800
  697 #define NFSATTRBM_ACL                   0x00001000
  698 #define NFSATTRBM_ACLSUPPORT            0x00002000
  699 #define NFSATTRBM_ARCHIVE               0x00004000
  700 #define NFSATTRBM_CANSETTIME            0x00008000
  701 #define NFSATTRBM_CASEINSENSITIVE       0x00010000
  702 #define NFSATTRBM_CASEPRESERVING        0x00020000
  703 #define NFSATTRBM_CHOWNRESTRICTED       0x00040000
  704 #define NFSATTRBM_FILEHANDLE            0x00080000
  705 #define NFSATTRBM_FILEID                0x00100000
  706 #define NFSATTRBM_FILESAVAIL            0x00200000
  707 #define NFSATTRBM_FILESFREE             0x00400000
  708 #define NFSATTRBM_FILESTOTAL            0x00800000
  709 #define NFSATTRBM_FSLOCATIONS           0x01000000
  710 #define NFSATTRBM_HIDDEN                0x02000000
  711 #define NFSATTRBM_HOMOGENEOUS           0x04000000
  712 #define NFSATTRBM_MAXFILESIZE           0x08000000
  713 #define NFSATTRBM_MAXLINK               0x10000000
  714 #define NFSATTRBM_MAXNAME               0x20000000
  715 #define NFSATTRBM_MAXREAD               0x40000000
  716 #define NFSATTRBM_MAXWRITE              0x80000000
  717 #define NFSATTRBM_MIMETYPE              0x00000001
  718 #define NFSATTRBM_MODE                  0x00000002
  719 #define NFSATTRBM_NOTRUNC               0x00000004
  720 #define NFSATTRBM_NUMLINKS              0x00000008
  721 #define NFSATTRBM_OWNER                 0x00000010
  722 #define NFSATTRBM_OWNERGROUP            0x00000020
  723 #define NFSATTRBM_QUOTAHARD             0x00000040
  724 #define NFSATTRBM_QUOTASOFT             0x00000080
  725 #define NFSATTRBM_QUOTAUSED             0x00000100
  726 #define NFSATTRBM_RAWDEV                0x00000200
  727 #define NFSATTRBM_SPACEAVAIL            0x00000400
  728 #define NFSATTRBM_SPACEFREE             0x00000800
  729 #define NFSATTRBM_SPACETOTAL            0x00001000
  730 #define NFSATTRBM_SPACEUSED             0x00002000
  731 #define NFSATTRBM_SYSTEM                0x00004000
  732 #define NFSATTRBM_TIMEACCESS            0x00008000
  733 #define NFSATTRBM_TIMEACCESSSET         0x00010000
  734 #define NFSATTRBM_TIMEBACKUP            0x00020000
  735 #define NFSATTRBM_TIMECREATE            0x00040000
  736 #define NFSATTRBM_TIMEDELTA             0x00080000
  737 #define NFSATTRBM_TIMEMETADATA          0x00100000
  738 #define NFSATTRBM_TIMEMODIFY            0x00200000
  739 #define NFSATTRBM_TIMEMODIFYSET         0x00400000
  740 #define NFSATTRBM_MOUNTEDONFILEID       0x00800000
  741 
  742 #define NFSATTRBIT_MAX                  56
  743 
  744 /*
  745  * Sets of attributes that are supported, by words in the bitmap.
  746  */
  747 /*
  748  * NFSATTRBIT_SUPPORTED - SUPP0 - bits 0<->31
  749  *                        SUPP1 - bits 32<->63
  750  */
  751 #define NFSATTRBIT_SUPP0                                                \
  752         (NFSATTRBM_SUPPORTEDATTRS |                                     \
  753         NFSATTRBM_TYPE |                                                \
  754         NFSATTRBM_FHEXPIRETYPE |                                        \
  755         NFSATTRBM_CHANGE |                                              \
  756         NFSATTRBM_SIZE |                                                \
  757         NFSATTRBM_LINKSUPPORT |                                         \
  758         NFSATTRBM_SYMLINKSUPPORT |                                      \
  759         NFSATTRBM_NAMEDATTR |                                           \
  760         NFSATTRBM_FSID |                                                \
  761         NFSATTRBM_UNIQUEHANDLES |                                       \
  762         NFSATTRBM_LEASETIME |                                           \
  763         NFSATTRBM_RDATTRERROR |                                         \
  764         NFSATTRBM_ACL |                                                 \
  765         NFSATTRBM_ACLSUPPORT |                                          \
  766         NFSATTRBM_CANSETTIME |                                          \
  767         NFSATTRBM_CASEINSENSITIVE |                                     \
  768         NFSATTRBM_CASEPRESERVING |                                      \
  769         NFSATTRBM_CHOWNRESTRICTED |                                     \
  770         NFSATTRBM_FILEHANDLE |                                          \
  771         NFSATTRBM_FILEID |                                              \
  772         NFSATTRBM_FILESAVAIL |                                          \
  773         NFSATTRBM_FILESFREE |                                           \
  774         NFSATTRBM_FILESTOTAL |                                          \
  775         NFSATTRBM_FSLOCATIONS |                                         \
  776         NFSATTRBM_HOMOGENEOUS |                                         \
  777         NFSATTRBM_MAXFILESIZE |                                         \
  778         NFSATTRBM_MAXLINK |                                             \
  779         NFSATTRBM_MAXNAME |                                             \
  780         NFSATTRBM_MAXREAD |                                             \
  781         NFSATTRBM_MAXWRITE)
  782 
  783 /*
  784  * NFSATTRBIT_S1 - subset of SUPP1 - OR of the following bits:
  785  */
  786 #define NFSATTRBIT_S1                                                   \
  787         (NFSATTRBM_MODE |                                               \
  788         NFSATTRBM_NOTRUNC |                                             \
  789         NFSATTRBM_NUMLINKS |                                            \
  790         NFSATTRBM_OWNER |                                               \
  791         NFSATTRBM_OWNERGROUP |                                          \
  792         NFSATTRBM_RAWDEV |                                              \
  793         NFSATTRBM_SPACEAVAIL |                                          \
  794         NFSATTRBM_SPACEFREE |                                           \
  795         NFSATTRBM_SPACETOTAL |                                          \
  796         NFSATTRBM_SPACEUSED |                                           \
  797         NFSATTRBM_TIMEACCESS |                                          \
  798         NFSATTRBM_TIMEDELTA |                                           \
  799         NFSATTRBM_TIMEMETADATA |                                        \
  800         NFSATTRBM_TIMEMODIFY |                                          \
  801         NFSATTRBM_MOUNTEDONFILEID)
  802 
  803 #ifdef QUOTA
  804 /*
  805  * If QUOTA OR in NFSATTRBIT_QUOTAHARD, NFSATTRBIT_QUOTASOFT and
  806  * NFSATTRBIT_QUOTAUSED.
  807  */
  808 #define NFSATTRBIT_SUPP1        (NFSATTRBIT_S1 |                        \
  809                                 NFSATTRBM_QUOTAHARD |                   \
  810                                 NFSATTRBM_QUOTASOFT |                   \
  811                                 NFSATTRBM_QUOTAUSED)
  812 #else
  813 #define NFSATTRBIT_SUPP1        NFSATTRBIT_S1
  814 #endif
  815 
  816 /*
  817  * NFSATTRBIT_SUPPSETONLY is the OR of NFSATTRBIT_TIMEACCESSSET and
  818  * NFSATTRBIT_TIMEMODIFYSET.
  819  */
  820 #define NFSATTRBIT_SUPPSETONLY   (NFSATTRBM_TIMEACCESSSET |             \
  821                                  NFSATTRBM_TIMEMODIFYSET)
  822 
  823 /*
  824  * NFSATTRBIT_SETABLE - SETABLE0 - bits 0<->31
  825  *                      SETABLE1 - bits 32<->63
  826  */
  827 #define NFSATTRBIT_SETABLE0                                             \
  828         (NFSATTRBM_SIZE |                                               \
  829         NFSATTRBM_ACL)
  830 #define NFSATTRBIT_SETABLE1                                             \
  831         (NFSATTRBM_MODE |                                               \
  832         NFSATTRBM_OWNER |                                               \
  833         NFSATTRBM_OWNERGROUP |                                          \
  834         NFSATTRBM_TIMEACCESSSET |                                       \
  835         NFSATTRBM_TIMEMODIFYSET)
  836 
  837 /*
  838  * Set of attributes that the getattr vnode op needs.
  839  * OR of the following bits.
  840  * NFSATTRBIT_GETATTR0 - bits 0<->31
  841  */
  842 #define NFSATTRBIT_GETATTR0                                             \
  843         (NFSATTRBM_SUPPORTEDATTRS |                                     \
  844         NFSATTRBM_TYPE |                                                \
  845         NFSATTRBM_CHANGE |                                              \
  846         NFSATTRBM_SIZE |                                                \
  847         NFSATTRBM_FSID |                                                \
  848         NFSATTRBM_FILEID |                                              \
  849         NFSATTRBM_MAXREAD)
  850 
  851 /*
  852  * NFSATTRBIT_GETATTR1 - bits 32<->63
  853  */
  854 #define NFSATTRBIT_GETATTR1                                             \
  855         (NFSATTRBM_MODE |                                               \
  856         NFSATTRBM_NUMLINKS |                                            \
  857         NFSATTRBM_OWNER |                                               \
  858         NFSATTRBM_OWNERGROUP |                                          \
  859         NFSATTRBM_RAWDEV |                                              \
  860         NFSATTRBM_SPACEUSED |                                           \
  861         NFSATTRBM_TIMEACCESS |                                          \
  862         NFSATTRBM_TIMEMETADATA |                                        \
  863         NFSATTRBM_TIMEMODIFY)
  864 
  865 /*
  866  * Subset of the above that the Write RPC gets.
  867  * OR of the following bits.
  868  * NFSATTRBIT_WRITEGETATTR0 - bits 0<->31
  869  */
  870 #define NFSATTRBIT_WRITEGETATTR0                                        \
  871         (NFSATTRBM_SUPPORTEDATTRS |                                     \
  872         NFSATTRBM_TYPE |                                                \
  873         NFSATTRBM_CHANGE |                                              \
  874         NFSATTRBM_SIZE |                                                \
  875         NFSATTRBM_FSID |                                                \
  876         NFSATTRBM_FILEID |                                              \
  877         NFSATTRBM_MAXREAD)
  878 
  879 /*
  880  * NFSATTRBIT_WRITEGETATTR1 - bits 32<->63
  881  */
  882 #define NFSATTRBIT_WRITEGETATTR1                                        \
  883         (NFSATTRBM_MODE |                                               \
  884         NFSATTRBM_NUMLINKS |                                            \
  885         NFSATTRBM_RAWDEV |                                              \
  886         NFSATTRBM_SPACEUSED |                                           \
  887         NFSATTRBM_TIMEACCESS |                                          \
  888         NFSATTRBM_TIMEMETADATA |                                        \
  889         NFSATTRBM_TIMEMODIFY)
  890 
  891 /*
  892  * Set of attributes that the wccattr operation op needs.
  893  * OR of the following bits.
  894  * NFSATTRBIT_WCCATTR0 - bits 0<->31
  895  */
  896 #define NFSATTRBIT_WCCATTR0     0
  897 
  898 /*
  899  * NFSATTRBIT_WCCATTR1 - bits 32<->63
  900  */
  901 #define NFSATTRBIT_WCCATTR1                                             \
  902         (NFSATTRBM_TIMEMODIFY)
  903 
  904 /*
  905  * NFSATTRBIT_CBGETATTR0 - bits 0<->31
  906  */
  907 #define NFSATTRBIT_CBGETATTR0   (NFSATTRBM_CHANGE | NFSATTRBM_SIZE)
  908 
  909 /*
  910  * NFSATTRBIT_CBGETATTR1 - bits 32<->63
  911  */
  912 #define NFSATTRBIT_CBGETATTR1           0x0
  913 
  914 /*
  915  * Sets of attributes that require a VFS_STATFS() call to get the
  916  * values of.
  917  * NFSATTRBIT_STATFS0 - bits 0<->31
  918  */
  919 #define NFSATTRBIT_STATFS0                                              \
  920         (NFSATTRBM_LINKSUPPORT |                                        \
  921         NFSATTRBM_SYMLINKSUPPORT |                                      \
  922         NFSATTRBM_CANSETTIME |                                          \
  923         NFSATTRBM_FILESAVAIL |                                          \
  924         NFSATTRBM_FILESFREE |                                           \
  925         NFSATTRBM_FILESTOTAL |                                          \
  926         NFSATTRBM_HOMOGENEOUS |                                         \
  927         NFSATTRBM_MAXFILESIZE |                                         \
  928         NFSATTRBM_MAXNAME |                                             \
  929         NFSATTRBM_MAXREAD |                                             \
  930         NFSATTRBM_MAXWRITE)
  931 
  932 /*
  933  * NFSATTRBIT_STATFS1 - bits 32<->63
  934  */
  935 #define NFSATTRBIT_STATFS1                                              \
  936         (NFSATTRBM_QUOTAHARD |                                          \
  937         NFSATTRBM_QUOTASOFT |                                           \
  938         NFSATTRBM_QUOTAUSED |                                           \
  939         NFSATTRBM_SPACEAVAIL |                                          \
  940         NFSATTRBM_SPACEFREE |                                           \
  941         NFSATTRBM_SPACETOTAL |                                          \
  942         NFSATTRBM_SPACEUSED |                                           \
  943         NFSATTRBM_TIMEDELTA)
  944 
  945 /*
  946  * These are the bits that are needed by the nfs_statfs() call.
  947  * (The regular getattr bits are or'd in so the vnode gets the correct
  948  *  type, etc.)
  949  * NFSGETATTRBIT_STATFS0 - bits 0<->31
  950  */
  951 #define NFSGETATTRBIT_STATFS0   (NFSATTRBIT_GETATTR0 |                  \
  952                                 NFSATTRBM_LINKSUPPORT |                 \
  953                                 NFSATTRBM_SYMLINKSUPPORT |              \
  954                                 NFSATTRBM_CANSETTIME |                  \
  955                                 NFSATTRBM_FILESFREE |                   \
  956                                 NFSATTRBM_FILESTOTAL |                  \
  957                                 NFSATTRBM_HOMOGENEOUS |                 \
  958                                 NFSATTRBM_MAXFILESIZE |                 \
  959                                 NFSATTRBM_MAXNAME |                     \
  960                                 NFSATTRBM_MAXREAD |                     \
  961                                 NFSATTRBM_MAXWRITE)
  962 
  963 /*
  964  * NFSGETATTRBIT_STATFS1 - bits 32<->63
  965  */
  966 #define NFSGETATTRBIT_STATFS1   (NFSATTRBIT_GETATTR1 |                  \
  967                                 NFSATTRBM_SPACEAVAIL |                  \
  968                                 NFSATTRBM_SPACEFREE |                   \
  969                                 NFSATTRBM_SPACETOTAL |                  \
  970                                 NFSATTRBM_TIMEDELTA)
  971 
  972 /*
  973  * Set of attributes for the equivalent of an nfsv3 pathconf rpc.
  974  * NFSGETATTRBIT_PATHCONF0 - bits 0<->31
  975  */
  976 #define NFSGETATTRBIT_PATHCONF0 (NFSATTRBIT_GETATTR0 |                  \
  977                                 NFSATTRBM_CASEINSENSITIVE |             \
  978                                 NFSATTRBM_CASEPRESERVING |              \
  979                                 NFSATTRBM_CHOWNRESTRICTED |             \
  980                                 NFSATTRBM_MAXLINK |                     \
  981                                 NFSATTRBM_MAXNAME)
  982 
  983 /*
  984  * NFSGETATTRBIT_PATHCONF1 - bits 32<->63
  985  */
  986 #define NFSGETATTRBIT_PATHCONF1 (NFSATTRBIT_GETATTR1 |                  \
  987                                 NFSATTRBM_NOTRUNC)
  988 
  989 /*
  990  * Sets of attributes required by readdir and readdirplus.
  991  * NFSATTRBIT_READDIRPLUS0      (NFSATTRBIT_GETATTR0 | NFSATTRBIT_FILEHANDLE |
  992  *                               NFSATTRBIT_RDATTRERROR)
  993  */
  994 #define NFSATTRBIT_READDIRPLUS0 (NFSATTRBIT_GETATTR0 | NFSATTRBM_FILEHANDLE | \
  995                                 NFSATTRBM_RDATTRERROR)
  996 #define NFSATTRBIT_READDIRPLUS1 NFSATTRBIT_GETATTR1
  997 
  998 /*
  999  * Set of attributes supported by Referral vnodes.
 1000  */
 1001 #define NFSATTRBIT_REFERRAL0    (NFSATTRBM_TYPE | NFSATTRBM_FSID |      \
 1002         NFSATTRBM_RDATTRERROR | NFSATTRBM_FSLOCATIONS)
 1003 #define NFSATTRBIT_REFERRAL1    NFSATTRBM_MOUNTEDONFILEID
 1004 
 1005 /*
 1006  * Structure for data handled by the statfs rpc. Since some fields are
 1007  * u_int64_t, this cannot be used for copying data on/off the wire, due
 1008  * to alignment concerns.
 1009  */
 1010 struct nfsstatfs {
 1011         union {
 1012                 struct {
 1013                         u_int32_t nfsv2sf_tsize;
 1014                         u_int32_t nfsv2sf_bsize;
 1015                         u_int32_t nfsv2sf_blocks;
 1016                         u_int32_t nfsv2sf_bfree;
 1017                         u_int32_t nfsv2sf_bavail;
 1018                 } sf_nfsv2;
 1019                 struct {
 1020                         u_int64_t nfsv3sf_tbytes;
 1021                         u_int64_t nfsv3sf_fbytes;
 1022                         u_int64_t nfsv3sf_abytes;
 1023                         u_int64_t nfsv3sf_tfiles;
 1024                         u_int64_t nfsv3sf_ffiles;
 1025                         u_int64_t nfsv3sf_afiles;
 1026                         u_int32_t nfsv3sf_invarsec;
 1027                 } sf_nfsv3;
 1028         } sf_un;
 1029 };
 1030 
 1031 #define sf_tsize        sf_un.sf_nfsv2.nfsv2sf_tsize
 1032 #define sf_bsize        sf_un.sf_nfsv2.nfsv2sf_bsize
 1033 #define sf_blocks       sf_un.sf_nfsv2.nfsv2sf_blocks
 1034 #define sf_bfree        sf_un.sf_nfsv2.nfsv2sf_bfree
 1035 #define sf_bavail       sf_un.sf_nfsv2.nfsv2sf_bavail
 1036 #define sf_tbytes       sf_un.sf_nfsv3.nfsv3sf_tbytes
 1037 #define sf_fbytes       sf_un.sf_nfsv3.nfsv3sf_fbytes
 1038 #define sf_abytes       sf_un.sf_nfsv3.nfsv3sf_abytes
 1039 #define sf_tfiles       sf_un.sf_nfsv3.nfsv3sf_tfiles
 1040 #define sf_ffiles       sf_un.sf_nfsv3.nfsv3sf_ffiles
 1041 #define sf_afiles       sf_un.sf_nfsv3.nfsv3sf_afiles
 1042 #define sf_invarsec     sf_un.sf_nfsv3.nfsv3sf_invarsec
 1043 
 1044 /*
 1045  * Now defined using u_int64_t for the 64 bit field(s).
 1046  * (Cannot be used to move data on/off the wire, due to alignment concerns.)
 1047  */
 1048 struct nfsfsinfo {
 1049         u_int32_t fs_rtmax;
 1050         u_int32_t fs_rtpref;
 1051         u_int32_t fs_rtmult;
 1052         u_int32_t fs_wtmax;
 1053         u_int32_t fs_wtpref;
 1054         u_int32_t fs_wtmult;
 1055         u_int32_t fs_dtpref;
 1056         u_int64_t fs_maxfilesize;
 1057         struct timespec fs_timedelta;
 1058         u_int32_t fs_properties;
 1059 };
 1060 
 1061 /*
 1062  * Bits for fs_properties
 1063  */
 1064 #define NFSV3_FSFLINK           0x1
 1065 #define NFSV3_FSFSYMLINK        0x2
 1066 #define NFSV3_FSFHOMOGENEOUS    0x4
 1067 #define NFSV3_FSFCANSETTIME     0x8
 1068 
 1069 /*
 1070  * Yikes, overload fs_rtmult as fs_maxname for V4.
 1071  */
 1072 #define fs_maxname      fs_rtmult
 1073 
 1074 struct nfsv3_pathconf {
 1075         u_int32_t pc_linkmax;
 1076         u_int32_t pc_namemax;
 1077         u_int32_t pc_notrunc;
 1078         u_int32_t pc_chownrestricted;
 1079         u_int32_t pc_caseinsensitive;
 1080         u_int32_t pc_casepreserving;
 1081 };
 1082 
 1083 /*
 1084  * NFS V4 data structures.
 1085  */
 1086 struct nfsv4stateid {
 1087         u_int32_t       seqid;
 1088         u_int32_t       other[NFSX_STATEIDOTHER / NFSX_UNSIGNED];
 1089 };
 1090 typedef struct nfsv4stateid nfsv4stateid_t;
 1091 
 1092 #endif  /* _NFS_NFSPROTO_H_ */

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