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/8.4/sys/fs/nfs/nfsproto.h 223968 2011-07-12 21:01:09Z 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  * NFSPROC_NOOP is a fake op# that can't be the same as any V2/3/4 Procedure
  230  * or Operation#. Since the NFS V4 Op #s go higher, use NFSV4OP_NOPS, which
  231  * is one greater than the highest Op#.
  232  */
  233 #define NFSPROC_NOOP            NFSV4OP_NOPS
  234 
  235 /* Actual Version 2 procedure numbers */
  236 #define NFSV2PROC_NULL          0
  237 #define NFSV2PROC_GETATTR       1
  238 #define NFSV2PROC_SETATTR       2
  239 #define NFSV2PROC_NOOP          3
  240 #define NFSV2PROC_ROOT          NFSV2PROC_NOOP  /* Obsolete */
  241 #define NFSV2PROC_LOOKUP        4
  242 #define NFSV2PROC_READLINK      5
  243 #define NFSV2PROC_READ          6
  244 #define NFSV2PROC_WRITECACHE    NFSV2PROC_NOOP  /* Obsolete */
  245 #define NFSV2PROC_WRITE         8
  246 #define NFSV2PROC_CREATE        9
  247 #define NFSV2PROC_REMOVE        10
  248 #define NFSV2PROC_RENAME        11
  249 #define NFSV2PROC_LINK          12
  250 #define NFSV2PROC_SYMLINK       13
  251 #define NFSV2PROC_MKDIR         14
  252 #define NFSV2PROC_RMDIR         15
  253 #define NFSV2PROC_READDIR       16
  254 #define NFSV2PROC_STATFS        17
  255 
  256 /*
  257  * V4 Procedure numbers
  258  */
  259 #define NFSV4PROC_COMPOUND      1
  260 #define NFSV4PROC_CBNULL        0
  261 #define NFSV4PROC_CBCOMPOUND    1
  262 
  263 /*
  264  * Constants used by the Version 3 and 4 protocols for various RPCs
  265  */
  266 #define NFSV3SATTRTIME_DONTCHANGE       0
  267 #define NFSV3SATTRTIME_TOSERVER         1
  268 #define NFSV3SATTRTIME_TOCLIENT         2
  269 
  270 #define NFSV4SATTRTIME_TOSERVER         0
  271 #define NFSV4SATTRTIME_TOCLIENT         1
  272 
  273 #define NFSV4LOCKT_READ                 1
  274 #define NFSV4LOCKT_WRITE                2
  275 #define NFSV4LOCKT_READW                3
  276 #define NFSV4LOCKT_WRITEW               4
  277 #define NFSV4LOCKT_RELEASE              5
  278 
  279 #define NFSV4OPEN_NOCREATE              0
  280 #define NFSV4OPEN_CREATE                1
  281 #define NFSV4OPEN_CLAIMNULL             0
  282 #define NFSV4OPEN_CLAIMPREVIOUS         1
  283 #define NFSV4OPEN_CLAIMDELEGATECUR      2
  284 #define NFSV4OPEN_CLAIMDELEGATEPREV     3
  285 #define NFSV4OPEN_DELEGATENONE          0
  286 #define NFSV4OPEN_DELEGATEREAD          1
  287 #define NFSV4OPEN_DELEGATEWRITE         2
  288 #define NFSV4OPEN_LIMITSIZE             1
  289 #define NFSV4OPEN_LIMITBLOCKS           2
  290 
  291 /*
  292  * Nfs V4 ACE stuff
  293  */
  294 #define NFSV4ACE_ALLOWEDTYPE            0x00000000
  295 #define NFSV4ACE_DENIEDTYPE             0x00000001
  296 #define NFSV4ACE_AUDITTYPE              0x00000002
  297 #define NFSV4ACE_ALARMTYPE              0x00000003
  298 
  299 #define NFSV4ACE_SUPALLOWED             0x00000001
  300 #define NFSV4ACE_SUPDENIED              0x00000002
  301 #define NFSV4ACE_SUPAUDIT               0x00000004
  302 #define NFSV4ACE_SUPALARM               0x00000008
  303 
  304 #define NFSV4ACE_SUPTYPES       (NFSV4ACE_SUPALLOWED | NFSV4ACE_SUPDENIED)
  305 
  306 #define NFSV4ACE_FILEINHERIT            0x00000001
  307 #define NFSV4ACE_DIRECTORYINHERIT       0x00000002
  308 #define NFSV4ACE_NOPROPAGATEINHERIT     0x00000004
  309 #define NFSV4ACE_INHERITONLY            0x00000008
  310 #define NFSV4ACE_SUCCESSFULACCESS       0x00000010
  311 #define NFSV4ACE_FAILEDACCESS           0x00000020
  312 #define NFSV4ACE_IDENTIFIERGROUP        0x00000040
  313 
  314 #define NFSV4ACE_READDATA               0x00000001
  315 #define NFSV4ACE_LISTDIRECTORY          0x00000001
  316 #define NFSV4ACE_WRITEDATA              0x00000002
  317 #define NFSV4ACE_ADDFILE                0x00000002
  318 #define NFSV4ACE_APPENDDATA             0x00000004
  319 #define NFSV4ACE_ADDSUBDIRECTORY        0x00000004
  320 #define NFSV4ACE_READNAMEDATTR          0x00000008
  321 #define NFSV4ACE_WRITENAMEDATTR         0x00000010
  322 #define NFSV4ACE_EXECUTE                0x00000020
  323 #define NFSV4ACE_SEARCH                 0x00000020
  324 #define NFSV4ACE_DELETECHILD            0x00000040
  325 #define NFSV4ACE_READATTRIBUTES         0x00000080
  326 #define NFSV4ACE_WRITEATTRIBUTES        0x00000100
  327 #define NFSV4ACE_DELETE                 0x00010000
  328 #define NFSV4ACE_READACL                0x00020000
  329 #define NFSV4ACE_WRITEACL               0x00040000
  330 #define NFSV4ACE_WRITEOWNER             0x00080000
  331 #define NFSV4ACE_SYNCHRONIZE            0x00100000
  332 
  333 /*
  334  * Here are the mappings between mode bits and acl mask bits for
  335  * directories and other files.
  336  * (Named attributes have not been included, since named attributes are
  337  *  not yet supported.)
  338  * The mailing list seems to indicate that NFSV4ACE_EXECUTE refers to
  339  * searching a directory, although I can't find a statement of that in
  340  * the RFC.
  341  */
  342 #define NFSV4ACE_ALLFILESMASK   (NFSV4ACE_READATTRIBUTES | NFSV4ACE_READACL)
  343 #define NFSV4ACE_OWNERMASK      (NFSV4ACE_WRITEATTRIBUTES | NFSV4ACE_WRITEACL)
  344 #define NFSV4ACE_DIRREADMASK    NFSV4ACE_LISTDIRECTORY
  345 #define NFSV4ACE_DIREXECUTEMASK NFSV4ACE_EXECUTE
  346 #define NFSV4ACE_DIRWRITEMASK   (NFSV4ACE_ADDFILE |                     \
  347                 NFSV4ACE_ADDSUBDIRECTORY | NFSV4ACE_DELETECHILD)
  348 #define NFSV4ACE_READMASK       NFSV4ACE_READDATA
  349 #define NFSV4ACE_WRITEMASK      (NFSV4ACE_WRITEDATA | NFSV4ACE_APPENDDATA)
  350 #define NFSV4ACE_EXECUTEMASK    NFSV4ACE_EXECUTE
  351 #define NFSV4ACE_ALLFILEBITS    (NFSV4ACE_READMASK | NFSV4ACE_WRITEMASK | \
  352         NFSV4ACE_EXECUTEMASK | NFSV4ACE_SYNCHRONIZE)
  353 #define NFSV4ACE_ALLDIRBITS     (NFSV4ACE_DIRREADMASK |                 \
  354         NFSV4ACE_DIRWRITEMASK | NFSV4ACE_DIREXECUTEMASK)
  355 #define NFSV4ACE_AUDITMASK      0x0
  356 
  357 /*
  358  * These GENERIC masks are not used and are no longer believed to be useful.
  359  */
  360 #define NFSV4ACE_GENERICREAD            0x00120081
  361 #define NFSV4ACE_GENERICWRITE           0x00160106
  362 #define NFSV4ACE_GENERICEXECUTE         0x001200a0
  363 
  364 #define NFSSTATEID_PUTALLZERO           0
  365 #define NFSSTATEID_PUTALLONE            1
  366 #define NFSSTATEID_PUTSTATEID           2
  367 
  368 /*
  369  * Bits for share access and deny.
  370  */
  371 #define NFSV4OPEN_ACCESSREAD            0x00000001
  372 #define NFSV4OPEN_ACCESSWRITE           0x00000002
  373 #define NFSV4OPEN_ACCESSBOTH            0x00000003
  374 
  375 #define NFSV4OPEN_DENYNONE              0x00000000
  376 #define NFSV4OPEN_DENYREAD              0x00000001
  377 #define NFSV4OPEN_DENYWRITE             0x00000002
  378 #define NFSV4OPEN_DENYBOTH              0x00000003
  379 
  380 /*
  381  * Open result flags
  382  * (The first two are in the spec. The rest are used internally.)
  383  */
  384 #define NFSV4OPEN_RESULTCONFIRM         0x00000002
  385 #define NFSV4OPEN_LOCKTYPEPOSIX         0x00000004
  386 #define NFSV4OPEN_RFLAGS                                                \
  387                 (NFSV4OPEN_RESULTCONFIRM | NFSV4OPEN_LOCKTYPEPOSIX)
  388 #define NFSV4OPEN_RECALL                0x00010000
  389 #define NFSV4OPEN_READDELEGATE          0x00020000
  390 #define NFSV4OPEN_WRITEDELEGATE         0x00040000
  391 
  392 /*
  393  * NFS V4 File Handle types
  394  */
  395 #define NFSV4FHTYPE_PERSISTENT          0x0
  396 #define NFSV4FHTYPE_NOEXPIREWITHOPEN    0x1
  397 #define NFSV4FHTYPE_VOLATILEANY         0x2
  398 #define NFSV4FHTYPE_VOLATILEMIGRATE     0x4
  399 #define NFSV4FHTYPE_VOLATILERENAME      0x8
  400 
  401 /*
  402  * Maximum size of V4 opaque strings.
  403  */
  404 #define NFSV4_OPAQUELIMIT       1024
  405 
  406 /*
  407  * These are the same for V3 and V4.
  408  */
  409 #define NFSACCESS_READ                  0x01
  410 #define NFSACCESS_LOOKUP                0x02
  411 #define NFSACCESS_MODIFY                0x04
  412 #define NFSACCESS_EXTEND                0x08
  413 #define NFSACCESS_DELETE                0x10
  414 #define NFSACCESS_EXECUTE               0x20
  415 
  416 #define NFSWRITE_UNSTABLE               0
  417 #define NFSWRITE_DATASYNC               1
  418 #define NFSWRITE_FILESYNC               2
  419 
  420 #define NFSCREATE_UNCHECKED             0
  421 #define NFSCREATE_GUARDED               1
  422 #define NFSCREATE_EXCLUSIVE             2
  423 
  424 #define NFSV3FSINFO_LINK                0x01
  425 #define NFSV3FSINFO_SYMLINK             0x02
  426 #define NFSV3FSINFO_HOMOGENEOUS         0x08
  427 #define NFSV3FSINFO_CANSETTIME          0x10
  428 
  429 /* Conversion macros */
  430 #define vtonfsv2_mode(t,m)                                              \
  431                 txdr_unsigned(((t) == VFIFO) ? MAKEIMODE(VCHR, (m)) :   \
  432                                 MAKEIMODE((t), (m)))
  433 #define vtonfsv34_mode(m)       txdr_unsigned((m) & 07777)
  434 #define nfstov_mode(a)          (fxdr_unsigned(u_int16_t, (a))&07777)
  435 #define vtonfsv2_type(a)  (((u_int32_t)(a)) >= 9 ? txdr_unsigned(NFNON) : \
  436                 txdr_unsigned(newnfsv2_type[((u_int32_t)(a))]))
  437 #define vtonfsv34_type(a)  (((u_int32_t)(a)) >= 9 ? txdr_unsigned(NFNON) : \
  438                 txdr_unsigned(nfsv34_type[((u_int32_t)(a))]))
  439 #define nfsv2tov_type(a)        newnv2tov_type[fxdr_unsigned(u_int32_t,(a))&0x7]
  440 #define nfsv34tov_type(a)       nv34tov_type[fxdr_unsigned(u_int32_t,(a))&0x7]
  441 #define vtonfs_dtype(a) (((u_int32_t)(a)) >= 9 ? IFTODT(VTTOIF(VNON)) : \
  442                          IFTODT(VTTOIF(a)))
  443 
  444 /* File types */
  445 typedef enum { NFNON=0, NFREG=1, NFDIR=2, NFBLK=3, NFCHR=4, NFLNK=5,
  446         NFSOCK=6, NFFIFO=7, NFATTRDIR=8, NFNAMEDATTR=9 } nfstype;
  447 
  448 /* Structs for common parts of the rpc's */
  449 
  450 struct nfsv2_time {
  451         u_int32_t nfsv2_sec;
  452         u_int32_t nfsv2_usec;
  453 };
  454 typedef struct nfsv2_time       nfstime2;
  455 
  456 struct nfsv3_time {
  457         u_int32_t nfsv3_sec;
  458         u_int32_t nfsv3_nsec;
  459 };
  460 typedef struct nfsv3_time       nfstime3;
  461 
  462 struct nfsv4_time {
  463         u_int32_t nfsv4_highsec;
  464         u_int32_t nfsv4_sec;
  465         u_int32_t nfsv4_nsec;
  466 };
  467 typedef struct nfsv4_time       nfstime4;
  468 
  469 /*
  470  * Quads are defined as arrays of 2 longs to ensure dense packing for the
  471  * protocol and to facilitate xdr conversion.
  472  */
  473 struct nfs_uquad {
  474         u_int32_t nfsuquad[2];
  475 };
  476 typedef struct nfs_uquad        nfsuint64;
  477 
  478 /*
  479  * Used to convert between two u_longs and a u_quad_t.
  480  */
  481 union nfs_quadconvert {
  482         u_int32_t lval[2];
  483         u_quad_t  qval;
  484 };
  485 typedef union nfs_quadconvert   nfsquad_t;
  486 
  487 /*
  488  * NFS Version 3 special file number.
  489  */
  490 struct nfsv3_spec {
  491         u_int32_t specdata1;
  492         u_int32_t specdata2;
  493 };
  494 typedef struct nfsv3_spec       nfsv3spec;
  495 
  496 /*
  497  * File attributes and setable attributes. These structures cover both
  498  * NFS version 2 and the version 3 protocol. Note that the union is only
  499  * used so that one pointer can refer to both variants. These structures
  500  * go out on the wire and must be densely packed, so no quad data types
  501  * are used. (all fields are longs or u_longs or structures of same)
  502  * NB: You can't do sizeof(struct nfs_fattr), you must use the
  503  *     NFSX_FATTR(v3) macro.
  504  */
  505 struct nfs_fattr {
  506         u_int32_t fa_type;
  507         u_int32_t fa_mode;
  508         u_int32_t fa_nlink;
  509         u_int32_t fa_uid;
  510         u_int32_t fa_gid;
  511         union {
  512                 struct {
  513                         u_int32_t nfsv2fa_size;
  514                         u_int32_t nfsv2fa_blocksize;
  515                         u_int32_t nfsv2fa_rdev;
  516                         u_int32_t nfsv2fa_blocks;
  517                         u_int32_t nfsv2fa_fsid;
  518                         u_int32_t nfsv2fa_fileid;
  519                         nfstime2  nfsv2fa_atime;
  520                         nfstime2  nfsv2fa_mtime;
  521                         nfstime2  nfsv2fa_ctime;
  522                 } fa_nfsv2;
  523                 struct {
  524                         nfsuint64 nfsv3fa_size;
  525                         nfsuint64 nfsv3fa_used;
  526                         nfsv3spec nfsv3fa_rdev;
  527                         nfsuint64 nfsv3fa_fsid;
  528                         nfsuint64 nfsv3fa_fileid;
  529                         nfstime3  nfsv3fa_atime;
  530                         nfstime3  nfsv3fa_mtime;
  531                         nfstime3  nfsv3fa_ctime;
  532                 } fa_nfsv3;
  533         } fa_un;
  534 };
  535 
  536 /* and some ugly defines for accessing union components */
  537 #define fa2_size                fa_un.fa_nfsv2.nfsv2fa_size
  538 #define fa2_blocksize           fa_un.fa_nfsv2.nfsv2fa_blocksize
  539 #define fa2_rdev                fa_un.fa_nfsv2.nfsv2fa_rdev
  540 #define fa2_blocks              fa_un.fa_nfsv2.nfsv2fa_blocks
  541 #define fa2_fsid                fa_un.fa_nfsv2.nfsv2fa_fsid
  542 #define fa2_fileid              fa_un.fa_nfsv2.nfsv2fa_fileid
  543 #define fa2_atime               fa_un.fa_nfsv2.nfsv2fa_atime
  544 #define fa2_mtime               fa_un.fa_nfsv2.nfsv2fa_mtime
  545 #define fa2_ctime               fa_un.fa_nfsv2.nfsv2fa_ctime
  546 #define fa3_size                fa_un.fa_nfsv3.nfsv3fa_size
  547 #define fa3_used                fa_un.fa_nfsv3.nfsv3fa_used
  548 #define fa3_rdev                fa_un.fa_nfsv3.nfsv3fa_rdev
  549 #define fa3_fsid                fa_un.fa_nfsv3.nfsv3fa_fsid
  550 #define fa3_fileid              fa_un.fa_nfsv3.nfsv3fa_fileid
  551 #define fa3_atime               fa_un.fa_nfsv3.nfsv3fa_atime
  552 #define fa3_mtime               fa_un.fa_nfsv3.nfsv3fa_mtime
  553 #define fa3_ctime               fa_un.fa_nfsv3.nfsv3fa_ctime
  554 
  555 struct nfsv2_sattr {
  556         u_int32_t sa_mode;
  557         u_int32_t sa_uid;
  558         u_int32_t sa_gid;
  559         u_int32_t sa_size;
  560         nfstime2  sa_atime;
  561         nfstime2  sa_mtime;
  562 };
  563 
  564 /*
  565  * NFS Version 3 sattr structure for the new node creation case.
  566  */
  567 struct nfsv3_sattr {
  568         u_int32_t sa_modetrue;
  569         u_int32_t sa_mode;
  570         u_int32_t sa_uidfalse;
  571         u_int32_t sa_gidfalse;
  572         u_int32_t sa_sizefalse;
  573         u_int32_t sa_atimetype;
  574         nfstime3  sa_atime;
  575         u_int32_t sa_mtimetype;
  576         nfstime3  sa_mtime;
  577 };
  578 
  579 /*
  580  * The attribute bits used for V4.
  581  * NFSATTRBIT_xxx defines the attribute# (and its bit position)
  582  * NFSATTRBM_xxx is a 32bit mask with the correct bit set within the
  583  *      appropriate 32bit word.
  584  * NFSATTRBIT_MAX is one greater than the largest NFSATTRBIT_xxx
  585  */
  586 #define NFSATTRBIT_SUPPORTEDATTRS       0
  587 #define NFSATTRBIT_TYPE                 1
  588 #define NFSATTRBIT_FHEXPIRETYPE         2
  589 #define NFSATTRBIT_CHANGE               3
  590 #define NFSATTRBIT_SIZE                 4
  591 #define NFSATTRBIT_LINKSUPPORT          5
  592 #define NFSATTRBIT_SYMLINKSUPPORT       6
  593 #define NFSATTRBIT_NAMEDATTR            7
  594 #define NFSATTRBIT_FSID                 8
  595 #define NFSATTRBIT_UNIQUEHANDLES        9
  596 #define NFSATTRBIT_LEASETIME            10
  597 #define NFSATTRBIT_RDATTRERROR          11
  598 #define NFSATTRBIT_ACL                  12
  599 #define NFSATTRBIT_ACLSUPPORT           13
  600 #define NFSATTRBIT_ARCHIVE              14
  601 #define NFSATTRBIT_CANSETTIME           15
  602 #define NFSATTRBIT_CASEINSENSITIVE      16
  603 #define NFSATTRBIT_CASEPRESERVING       17
  604 #define NFSATTRBIT_CHOWNRESTRICTED      18
  605 #define NFSATTRBIT_FILEHANDLE           19
  606 #define NFSATTRBIT_FILEID               20
  607 #define NFSATTRBIT_FILESAVAIL           21
  608 #define NFSATTRBIT_FILESFREE            22
  609 #define NFSATTRBIT_FILESTOTAL           23
  610 #define NFSATTRBIT_FSLOCATIONS          24
  611 #define NFSATTRBIT_HIDDEN               25
  612 #define NFSATTRBIT_HOMOGENEOUS          26
  613 #define NFSATTRBIT_MAXFILESIZE          27
  614 #define NFSATTRBIT_MAXLINK              28
  615 #define NFSATTRBIT_MAXNAME              29
  616 #define NFSATTRBIT_MAXREAD              30
  617 #define NFSATTRBIT_MAXWRITE             31
  618 #define NFSATTRBIT_MIMETYPE             32
  619 #define NFSATTRBIT_MODE                 33
  620 #define NFSATTRBIT_NOTRUNC              34
  621 #define NFSATTRBIT_NUMLINKS             35
  622 #define NFSATTRBIT_OWNER                36
  623 #define NFSATTRBIT_OWNERGROUP           37
  624 #define NFSATTRBIT_QUOTAHARD            38
  625 #define NFSATTRBIT_QUOTASOFT            39
  626 #define NFSATTRBIT_QUOTAUSED            40
  627 #define NFSATTRBIT_RAWDEV               41
  628 #define NFSATTRBIT_SPACEAVAIL           42
  629 #define NFSATTRBIT_SPACEFREE            43
  630 #define NFSATTRBIT_SPACETOTAL           44
  631 #define NFSATTRBIT_SPACEUSED            45
  632 #define NFSATTRBIT_SYSTEM               46
  633 #define NFSATTRBIT_TIMEACCESS           47
  634 #define NFSATTRBIT_TIMEACCESSSET        48
  635 #define NFSATTRBIT_TIMEBACKUP           49
  636 #define NFSATTRBIT_TIMECREATE           50
  637 #define NFSATTRBIT_TIMEDELTA            51
  638 #define NFSATTRBIT_TIMEMETADATA         52
  639 #define NFSATTRBIT_TIMEMODIFY           53
  640 #define NFSATTRBIT_TIMEMODIFYSET        54
  641 #define NFSATTRBIT_MOUNTEDONFILEID      55
  642 
  643 #define NFSATTRBM_SUPPORTEDATTRS        0x00000001
  644 #define NFSATTRBM_TYPE                  0x00000002
  645 #define NFSATTRBM_FHEXPIRETYPE          0x00000004
  646 #define NFSATTRBM_CHANGE                0x00000008
  647 #define NFSATTRBM_SIZE                  0x00000010
  648 #define NFSATTRBM_LINKSUPPORT           0x00000020
  649 #define NFSATTRBM_SYMLINKSUPPORT        0x00000040
  650 #define NFSATTRBM_NAMEDATTR             0x00000080
  651 #define NFSATTRBM_FSID                  0x00000100
  652 #define NFSATTRBM_UNIQUEHANDLES         0x00000200
  653 #define NFSATTRBM_LEASETIME             0x00000400
  654 #define NFSATTRBM_RDATTRERROR           0x00000800
  655 #define NFSATTRBM_ACL                   0x00001000
  656 #define NFSATTRBM_ACLSUPPORT            0x00002000
  657 #define NFSATTRBM_ARCHIVE               0x00004000
  658 #define NFSATTRBM_CANSETTIME            0x00008000
  659 #define NFSATTRBM_CASEINSENSITIVE       0x00010000
  660 #define NFSATTRBM_CASEPRESERVING        0x00020000
  661 #define NFSATTRBM_CHOWNRESTRICTED       0x00040000
  662 #define NFSATTRBM_FILEHANDLE            0x00080000
  663 #define NFSATTRBM_FILEID                0x00100000
  664 #define NFSATTRBM_FILESAVAIL            0x00200000
  665 #define NFSATTRBM_FILESFREE             0x00400000
  666 #define NFSATTRBM_FILESTOTAL            0x00800000
  667 #define NFSATTRBM_FSLOCATIONS           0x01000000
  668 #define NFSATTRBM_HIDDEN                0x02000000
  669 #define NFSATTRBM_HOMOGENEOUS           0x04000000
  670 #define NFSATTRBM_MAXFILESIZE           0x08000000
  671 #define NFSATTRBM_MAXLINK               0x10000000
  672 #define NFSATTRBM_MAXNAME               0x20000000
  673 #define NFSATTRBM_MAXREAD               0x40000000
  674 #define NFSATTRBM_MAXWRITE              0x80000000
  675 #define NFSATTRBM_MIMETYPE              0x00000001
  676 #define NFSATTRBM_MODE                  0x00000002
  677 #define NFSATTRBM_NOTRUNC               0x00000004
  678 #define NFSATTRBM_NUMLINKS              0x00000008
  679 #define NFSATTRBM_OWNER                 0x00000010
  680 #define NFSATTRBM_OWNERGROUP            0x00000020
  681 #define NFSATTRBM_QUOTAHARD             0x00000040
  682 #define NFSATTRBM_QUOTASOFT             0x00000080
  683 #define NFSATTRBM_QUOTAUSED             0x00000100
  684 #define NFSATTRBM_RAWDEV                0x00000200
  685 #define NFSATTRBM_SPACEAVAIL            0x00000400
  686 #define NFSATTRBM_SPACEFREE             0x00000800
  687 #define NFSATTRBM_SPACETOTAL            0x00001000
  688 #define NFSATTRBM_SPACEUSED             0x00002000
  689 #define NFSATTRBM_SYSTEM                0x00004000
  690 #define NFSATTRBM_TIMEACCESS            0x00008000
  691 #define NFSATTRBM_TIMEACCESSSET         0x00010000
  692 #define NFSATTRBM_TIMEBACKUP            0x00020000
  693 #define NFSATTRBM_TIMECREATE            0x00040000
  694 #define NFSATTRBM_TIMEDELTA             0x00080000
  695 #define NFSATTRBM_TIMEMETADATA          0x00100000
  696 #define NFSATTRBM_TIMEMODIFY            0x00200000
  697 #define NFSATTRBM_TIMEMODIFYSET         0x00400000
  698 #define NFSATTRBM_MOUNTEDONFILEID       0x00800000
  699 
  700 #define NFSATTRBIT_MAX                  56
  701 
  702 /*
  703  * Sets of attributes that are supported, by words in the bitmap.
  704  */
  705 /*
  706  * NFSATTRBIT_SUPPORTED - SUPP0 - bits 0<->31
  707  *                        SUPP1 - bits 32<->63
  708  */
  709 #define NFSATTRBIT_SUPP0                                                \
  710         (NFSATTRBM_SUPPORTEDATTRS |                                     \
  711         NFSATTRBM_TYPE |                                                \
  712         NFSATTRBM_FHEXPIRETYPE |                                        \
  713         NFSATTRBM_CHANGE |                                              \
  714         NFSATTRBM_SIZE |                                                \
  715         NFSATTRBM_LINKSUPPORT |                                         \
  716         NFSATTRBM_SYMLINKSUPPORT |                                      \
  717         NFSATTRBM_NAMEDATTR |                                           \
  718         NFSATTRBM_FSID |                                                \
  719         NFSATTRBM_UNIQUEHANDLES |                                       \
  720         NFSATTRBM_LEASETIME |                                           \
  721         NFSATTRBM_RDATTRERROR |                                         \
  722         NFSATTRBM_ACL |                                                 \
  723         NFSATTRBM_ACLSUPPORT |                                          \
  724         NFSATTRBM_CANSETTIME |                                          \
  725         NFSATTRBM_CASEINSENSITIVE |                                     \
  726         NFSATTRBM_CASEPRESERVING |                                      \
  727         NFSATTRBM_CHOWNRESTRICTED |                                     \
  728         NFSATTRBM_FILEHANDLE |                                          \
  729         NFSATTRBM_FILEID |                                              \
  730         NFSATTRBM_FILESAVAIL |                                          \
  731         NFSATTRBM_FILESFREE |                                           \
  732         NFSATTRBM_FILESTOTAL |                                          \
  733         NFSATTRBM_FSLOCATIONS |                                         \
  734         NFSATTRBM_HOMOGENEOUS |                                         \
  735         NFSATTRBM_MAXFILESIZE |                                         \
  736         NFSATTRBM_MAXLINK |                                             \
  737         NFSATTRBM_MAXNAME |                                             \
  738         NFSATTRBM_MAXREAD |                                             \
  739         NFSATTRBM_MAXWRITE)
  740 
  741 /*
  742  * NFSATTRBIT_S1 - subset of SUPP1 - OR of the following bits:
  743  */
  744 #define NFSATTRBIT_S1                                                   \
  745         (NFSATTRBM_MODE |                                               \
  746         NFSATTRBM_NOTRUNC |                                             \
  747         NFSATTRBM_NUMLINKS |                                            \
  748         NFSATTRBM_OWNER |                                               \
  749         NFSATTRBM_OWNERGROUP |                                          \
  750         NFSATTRBM_RAWDEV |                                              \
  751         NFSATTRBM_SPACEAVAIL |                                          \
  752         NFSATTRBM_SPACEFREE |                                           \
  753         NFSATTRBM_SPACETOTAL |                                          \
  754         NFSATTRBM_SPACEUSED |                                           \
  755         NFSATTRBM_TIMEACCESS |                                          \
  756         NFSATTRBM_TIMEDELTA |                                           \
  757         NFSATTRBM_TIMEMETADATA |                                        \
  758         NFSATTRBM_TIMEMODIFY |                                          \
  759         NFSATTRBM_MOUNTEDONFILEID)
  760 
  761 #ifdef QUOTA
  762 /*
  763  * If QUOTA OR in NFSATTRBIT_QUOTAHARD, NFSATTRBIT_QUOTASOFT and
  764  * NFSATTRBIT_QUOTAUSED.
  765  */
  766 #define NFSATTRBIT_SUPP1        (NFSATTRBIT_S1 |                        \
  767                                 NFSATTRBM_QUOTAHARD |                   \
  768                                 NFSATTRBM_QUOTASOFT |                   \
  769                                 NFSATTRBM_QUOTAUSED)
  770 #else
  771 #define NFSATTRBIT_SUPP1        NFSATTRBIT_S1
  772 #endif
  773 
  774 /*
  775  * NFSATTRBIT_SUPPSETONLY is the OR of NFSATTRBIT_TIMEACCESSSET and
  776  * NFSATTRBIT_TIMEMODIFYSET.
  777  */
  778 #define NFSATTRBIT_SUPPSETONLY   (NFSATTRBM_TIMEACCESSSET |             \
  779                                  NFSATTRBM_TIMEMODIFYSET)
  780 
  781 /*
  782  * NFSATTRBIT_SETABLE - SETABLE0 - bits 0<->31
  783  *                      SETABLE1 - bits 32<->63
  784  */
  785 #define NFSATTRBIT_SETABLE0                                             \
  786         (NFSATTRBM_SIZE |                                               \
  787         NFSATTRBM_ACL)
  788 #define NFSATTRBIT_SETABLE1                                             \
  789         (NFSATTRBM_MODE |                                               \
  790         NFSATTRBM_OWNER |                                               \
  791         NFSATTRBM_OWNERGROUP |                                          \
  792         NFSATTRBM_TIMEACCESSSET |                                       \
  793         NFSATTRBM_TIMEMODIFYSET)
  794 
  795 /*
  796  * Set of attributes that the getattr vnode op needs.
  797  * OR of the following bits.
  798  * NFSATTRBIT_GETATTR0 - bits 0<->31
  799  */
  800 #define NFSATTRBIT_GETATTR0                                             \
  801         (NFSATTRBM_SUPPORTEDATTRS |                                     \
  802         NFSATTRBM_TYPE |                                                \
  803         NFSATTRBM_CHANGE |                                              \
  804         NFSATTRBM_SIZE |                                                \
  805         NFSATTRBM_FSID |                                                \
  806         NFSATTRBM_FILEID |                                              \
  807         NFSATTRBM_MAXREAD)
  808 
  809 /*
  810  * NFSATTRBIT_GETATTR1 - bits 32<->63
  811  */
  812 #define NFSATTRBIT_GETATTR1                                             \
  813         (NFSATTRBM_MODE |                                               \
  814         NFSATTRBM_NUMLINKS |                                            \
  815         NFSATTRBM_OWNER |                                               \
  816         NFSATTRBM_OWNERGROUP |                                          \
  817         NFSATTRBM_RAWDEV |                                              \
  818         NFSATTRBM_SPACEUSED |                                           \
  819         NFSATTRBM_TIMEACCESS |                                          \
  820         NFSATTRBM_TIMEMETADATA |                                        \
  821         NFSATTRBM_TIMEMODIFY)
  822 
  823 /*
  824  * Subset of the above that the Write RPC gets.
  825  * OR of the following bits.
  826  * NFSATTRBIT_WRITEGETATTR0 - bits 0<->31
  827  */
  828 #define NFSATTRBIT_WRITEGETATTR0                                        \
  829         (NFSATTRBM_SUPPORTEDATTRS |                                     \
  830         NFSATTRBM_TYPE |                                                \
  831         NFSATTRBM_CHANGE |                                              \
  832         NFSATTRBM_SIZE |                                                \
  833         NFSATTRBM_FSID |                                                \
  834         NFSATTRBM_FILEID |                                              \
  835         NFSATTRBM_MAXREAD)
  836 
  837 /*
  838  * NFSATTRBIT_WRITEGETATTR1 - bits 32<->63
  839  */
  840 #define NFSATTRBIT_WRITEGETATTR1                                        \
  841         (NFSATTRBM_MODE |                                               \
  842         NFSATTRBM_NUMLINKS |                                            \
  843         NFSATTRBM_RAWDEV |                                              \
  844         NFSATTRBM_SPACEUSED |                                           \
  845         NFSATTRBM_TIMEACCESS |                                          \
  846         NFSATTRBM_TIMEMETADATA |                                        \
  847         NFSATTRBM_TIMEMODIFY)
  848 
  849 /*
  850  * Set of attributes that the wccattr operation op needs.
  851  * OR of the following bits.
  852  * NFSATTRBIT_WCCATTR0 - bits 0<->31
  853  */
  854 #define NFSATTRBIT_WCCATTR0     0
  855 
  856 /*
  857  * NFSATTRBIT_WCCATTR1 - bits 32<->63
  858  */
  859 #define NFSATTRBIT_WCCATTR1                                             \
  860         (NFSATTRBM_TIMEMODIFY)
  861 
  862 /*
  863  * NFSATTRBIT_CBGETATTR0 - bits 0<->31
  864  */
  865 #define NFSATTRBIT_CBGETATTR0   (NFSATTRBM_CHANGE | NFSATTRBM_SIZE)
  866 
  867 /*
  868  * NFSATTRBIT_CBGETATTR1 - bits 32<->63
  869  */
  870 #define NFSATTRBIT_CBGETATTR1           0x0
  871 
  872 /*
  873  * Sets of attributes that require a VFS_STATFS() call to get the
  874  * values of.
  875  * NFSATTRBIT_STATFS0 - bits 0<->31
  876  */
  877 #define NFSATTRBIT_STATFS0                                              \
  878         (NFSATTRBM_LINKSUPPORT |                                        \
  879         NFSATTRBM_SYMLINKSUPPORT |                                      \
  880         NFSATTRBM_CANSETTIME |                                          \
  881         NFSATTRBM_FILESAVAIL |                                          \
  882         NFSATTRBM_FILESFREE |                                           \
  883         NFSATTRBM_FILESTOTAL |                                          \
  884         NFSATTRBM_HOMOGENEOUS |                                         \
  885         NFSATTRBM_MAXFILESIZE |                                         \
  886         NFSATTRBM_MAXNAME |                                             \
  887         NFSATTRBM_MAXREAD |                                             \
  888         NFSATTRBM_MAXWRITE)
  889 
  890 /*
  891  * NFSATTRBIT_STATFS1 - bits 32<->63
  892  */
  893 #define NFSATTRBIT_STATFS1                                              \
  894         (NFSATTRBM_QUOTAHARD |                                          \
  895         NFSATTRBM_QUOTASOFT |                                           \
  896         NFSATTRBM_QUOTAUSED |                                           \
  897         NFSATTRBM_SPACEAVAIL |                                          \
  898         NFSATTRBM_SPACEFREE |                                           \
  899         NFSATTRBM_SPACETOTAL |                                          \
  900         NFSATTRBM_SPACEUSED |                                           \
  901         NFSATTRBM_TIMEDELTA)
  902 
  903 /*
  904  * These are the bits that are needed by the nfs_statfs() call.
  905  * (The regular getattr bits are or'd in so the vnode gets the correct
  906  *  type, etc.)
  907  * NFSGETATTRBIT_STATFS0 - bits 0<->31
  908  */
  909 #define NFSGETATTRBIT_STATFS0   (NFSATTRBIT_GETATTR0 |                  \
  910                                 NFSATTRBM_LINKSUPPORT |                 \
  911                                 NFSATTRBM_SYMLINKSUPPORT |              \
  912                                 NFSATTRBM_CANSETTIME |                  \
  913                                 NFSATTRBM_FILESFREE |                   \
  914                                 NFSATTRBM_FILESTOTAL |                  \
  915                                 NFSATTRBM_HOMOGENEOUS |                 \
  916                                 NFSATTRBM_MAXFILESIZE |                 \
  917                                 NFSATTRBM_MAXNAME |                     \
  918                                 NFSATTRBM_MAXREAD |                     \
  919                                 NFSATTRBM_MAXWRITE)
  920 
  921 /*
  922  * NFSGETATTRBIT_STATFS1 - bits 32<->63
  923  */
  924 #define NFSGETATTRBIT_STATFS1   (NFSATTRBIT_GETATTR1 |                  \
  925                                 NFSATTRBM_SPACEAVAIL |                  \
  926                                 NFSATTRBM_SPACEFREE |                   \
  927                                 NFSATTRBM_SPACETOTAL |                  \
  928                                 NFSATTRBM_TIMEDELTA)
  929 
  930 /*
  931  * Set of attributes for the equivalent of an nfsv3 pathconf rpc.
  932  * NFSGETATTRBIT_PATHCONF0 - bits 0<->31
  933  */
  934 #define NFSGETATTRBIT_PATHCONF0 (NFSATTRBIT_GETATTR0 |                  \
  935                                 NFSATTRBM_CASEINSENSITIVE |             \
  936                                 NFSATTRBM_CASEPRESERVING |              \
  937                                 NFSATTRBM_CHOWNRESTRICTED |             \
  938                                 NFSATTRBM_MAXLINK |                     \
  939                                 NFSATTRBM_MAXNAME)
  940 
  941 /*
  942  * NFSGETATTRBIT_PATHCONF1 - bits 32<->63
  943  */
  944 #define NFSGETATTRBIT_PATHCONF1 (NFSATTRBIT_GETATTR1 |                  \
  945                                 NFSATTRBM_NOTRUNC)
  946 
  947 /*
  948  * Sets of attributes required by readdir and readdirplus.
  949  * NFSATTRBIT_READDIRPLUS0      (NFSATTRBIT_GETATTR0 | NFSATTRBIT_FILEHANDLE |
  950  *                               NFSATTRBIT_RDATTRERROR)
  951  */
  952 #define NFSATTRBIT_READDIRPLUS0 (NFSATTRBIT_GETATTR0 | NFSATTRBM_FILEHANDLE | \
  953                                 NFSATTRBM_RDATTRERROR)
  954 #define NFSATTRBIT_READDIRPLUS1 NFSATTRBIT_GETATTR1
  955 
  956 /*
  957  * Set of attributes supported by Referral vnodes.
  958  */
  959 #define NFSATTRBIT_REFERRAL0    (NFSATTRBM_TYPE | NFSATTRBM_FSID |      \
  960         NFSATTRBM_RDATTRERROR | NFSATTRBM_FSLOCATIONS)
  961 #define NFSATTRBIT_REFERRAL1    NFSATTRBM_MOUNTEDONFILEID
  962 
  963 /*
  964  * Structure for data handled by the statfs rpc. Since some fields are
  965  * u_int64_t, this cannot be used for copying data on/off the wire, due
  966  * to alignment concerns.
  967  */
  968 struct nfsstatfs {
  969         union {
  970                 struct {
  971                         u_int32_t nfsv2sf_tsize;
  972                         u_int32_t nfsv2sf_bsize;
  973                         u_int32_t nfsv2sf_blocks;
  974                         u_int32_t nfsv2sf_bfree;
  975                         u_int32_t nfsv2sf_bavail;
  976                 } sf_nfsv2;
  977                 struct {
  978                         u_int64_t nfsv3sf_tbytes;
  979                         u_int64_t nfsv3sf_fbytes;
  980                         u_int64_t nfsv3sf_abytes;
  981                         u_int64_t nfsv3sf_tfiles;
  982                         u_int64_t nfsv3sf_ffiles;
  983                         u_int64_t nfsv3sf_afiles;
  984                         u_int32_t nfsv3sf_invarsec;
  985                 } sf_nfsv3;
  986         } sf_un;
  987 };
  988 
  989 #define sf_tsize        sf_un.sf_nfsv2.nfsv2sf_tsize
  990 #define sf_bsize        sf_un.sf_nfsv2.nfsv2sf_bsize
  991 #define sf_blocks       sf_un.sf_nfsv2.nfsv2sf_blocks
  992 #define sf_bfree        sf_un.sf_nfsv2.nfsv2sf_bfree
  993 #define sf_bavail       sf_un.sf_nfsv2.nfsv2sf_bavail
  994 #define sf_tbytes       sf_un.sf_nfsv3.nfsv3sf_tbytes
  995 #define sf_fbytes       sf_un.sf_nfsv3.nfsv3sf_fbytes
  996 #define sf_abytes       sf_un.sf_nfsv3.nfsv3sf_abytes
  997 #define sf_tfiles       sf_un.sf_nfsv3.nfsv3sf_tfiles
  998 #define sf_ffiles       sf_un.sf_nfsv3.nfsv3sf_ffiles
  999 #define sf_afiles       sf_un.sf_nfsv3.nfsv3sf_afiles
 1000 #define sf_invarsec     sf_un.sf_nfsv3.nfsv3sf_invarsec
 1001 
 1002 /*
 1003  * Now defined using u_int64_t for the 64 bit field(s).
 1004  * (Cannot be used to move data on/off the wire, due to alignment concerns.)
 1005  */
 1006 struct nfsfsinfo {
 1007         u_int32_t fs_rtmax;
 1008         u_int32_t fs_rtpref;
 1009         u_int32_t fs_rtmult;
 1010         u_int32_t fs_wtmax;
 1011         u_int32_t fs_wtpref;
 1012         u_int32_t fs_wtmult;
 1013         u_int32_t fs_dtpref;
 1014         u_int64_t fs_maxfilesize;
 1015         struct timespec fs_timedelta;
 1016         u_int32_t fs_properties;
 1017 };
 1018 
 1019 /*
 1020  * Bits for fs_properties
 1021  */
 1022 #define NFSV3_FSFLINK           0x1
 1023 #define NFSV3_FSFSYMLINK        0x2
 1024 #define NFSV3_FSFHOMOGENEOUS    0x4
 1025 #define NFSV3_FSFCANSETTIME     0x8
 1026 
 1027 /*
 1028  * Yikes, overload fs_rtmult as fs_maxname for V4.
 1029  */
 1030 #define fs_maxname      fs_rtmult
 1031 
 1032 struct nfsv3_pathconf {
 1033         u_int32_t pc_linkmax;
 1034         u_int32_t pc_namemax;
 1035         u_int32_t pc_notrunc;
 1036         u_int32_t pc_chownrestricted;
 1037         u_int32_t pc_caseinsensitive;
 1038         u_int32_t pc_casepreserving;
 1039 };
 1040 
 1041 /*
 1042  * NFS V4 data structures.
 1043  */
 1044 struct nfsv4stateid {
 1045         u_int32_t       seqid;
 1046         u_int32_t       other[NFSX_STATEIDOTHER / NFSX_UNSIGNED];
 1047 };
 1048 typedef struct nfsv4stateid nfsv4stateid_t;
 1049 
 1050 #endif  /* _NFS_NFSPROTO_H_ */

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