sys/fs/nfs/nfsproto.h

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