The Design and Implementation of the FreeBSD Operating System, Second Edition
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sys/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  *      @(#)nfsproto.h  8.2 (Berkeley) 3/30/95
   33  * $FreeBSD: src/sys/nfs/nfsproto.h,v 1.11 2005/01/07 01:45:50 imp Exp $
   34  */
   35 
   36 #ifndef _NFS_NFSPROTO_H_
   37 #define _NFS_NFSPROTO_H_
   38 
   39 /*
   40  * nfs definitions as per the Version 2 and 3 specs
   41  */
   42 
   43 /*
   44  * Constants as defined in the Sun NFS Version 2 and 3 specs.
   45  * "NFS: Network File System Protocol Specification" RFC1094
   46  * and in the "NFS: Network File System Version 3 Protocol
   47  * Specification"
   48  */
   49 
   50 #define NFS_PORT        2049
   51 #define NFS_PROG        100003
   52 #define NFS_VER2        2
   53 #define NFS_VER3        3
   54 #define NFS_VER4        4
   55 
   56 #define NFS_V2MAXDATA   8192
   57 #define NFS_MAXDGRAMDATA 16384
   58 #define NFS_MAXDATA     32768
   59 #define NFS_MAXPATHLEN  1024
   60 #define NFS_MAXNAMLEN   255
   61 #define NFS_MAXPKTHDR   404     /* XXXv4 this needs to be adjust for v4 */
   62 #define NFS_MAXPACKET   (NFS_MAXPKTHDR + NFS_MAXDATA)
   63 #define NFS_MINPACKET   20
   64 #define NFS_FABLKSIZE   512     /* Size in bytes of a block wrt fa_blocks */
   65 
   66 /* Stat numbers for rpc returns (version 2, 3 and 4) */
   67 #define NFS_OK                  0
   68 #define NFSERR_PERM             1
   69 #define NFSERR_NOENT            2
   70 #define NFSERR_IO               5
   71 #define NFSERR_NXIO             6
   72 #define NFSERR_ACCES            13
   73 #define NFSERR_EXIST            17
   74 #define NFSERR_XDEV             18      /* Version 3 only */
   75 #define NFSERR_NODEV            19
   76 #define NFSERR_NOTDIR           20
   77 #define NFSERR_ISDIR            21
   78 #define NFSERR_INVAL            22      /* Version 3 only */
   79 #define NFSERR_FBIG             27
   80 #define NFSERR_NOSPC            28
   81 #define NFSERR_ROFS             30
   82 #define NFSERR_MLINK            31      /* Version 3 only */
   83 #define NFSERR_NAMETOL          63
   84 #define NFSERR_NOTEMPTY         66
   85 #define NFSERR_DQUOT            69
   86 #define NFSERR_STALE            70
   87 #define NFSERR_REMOTE           71      /* Version 3 only */
   88 #define NFSERR_WFLUSH           99      /* Version 2 only */
   89 #define NFSERR_BADHANDLE        10001   /* The rest Version 3, 4 only */
   90 #define NFSERR_NOT_SYNC         10002
   91 #define NFSERR_BAD_COOKIE       10003
   92 #define NFSERR_NOTSUPP          10004
   93 #define NFSERR_TOOSMALL         10005
   94 #define NFSERR_SERVERFAULT      10006
   95 #define NFSERR_BADTYPE          10007
   96 #define NFSERR_JUKEBOX          10008
   97 #define NFSERR_TRYLATER         NFSERR_JUKEBOX
   98 #define NFSERR_SAME             10009   /* The rest Version 4 only */
   99 #define NFSERR_DENIED           10010
  100 #define NFSERR_EXPIRED          10011
  101 #define NFSERR_LOCKED           10012
  102 #define NFSERR_GRACE            10013
  103 #define NFSERR_FHEXPIRED        10014
  104 #define NFSERR_SHARDE_DENIED    10015
  105 #define NFSERR_WRONGSEC         10016
  106 #define NFSERR_CLID_INUSE       10017
  107 #define NFSERR_RESOURCE         10018
  108 #define NFSERR_MOVED            10019
  109 #define NFSERR_NOFILEHANDLE     10020
  110 #define NFSERR_MINOR_VERS_MISMATCH 10021
  111 #define NFSERR_STALE_CLIENTID   10022
  112 #define NFSERR_STALE_STATEID    10023
  113 #define NFSERR_OLD_STATEID      10024
  114 #define NFSERR_BAD_STATEID      10025
  115 #define NFSERR_BAD_SEQID        10026
  116 #define NFSERR_NOT_SAME         10027
  117 #define NFSERR_LOCK_RANGE       10028
  118 #define NFSERR_SYMLINK          10029
  119 #define NFSERR_READDIR_NOSPC    10030
  120 #define NFSERR_LEASE_MOVED      10031
  121 #define NFSERR_ATTRNOTSUPP      10032
  122 #define NFSERR_NO_GRACE         10033
  123 #define NFSERR_RECLAIM_BAD      10034
  124 #define NFSERR_RECLAIM_CONFLICT 10035
  125 #define NFSERR_BADXDR           10036
  126 #define NFSERR_LOCKS_HELD       10037
  127 #define NFSERR_OPENMODE         10038
  128 #define NFSERR_BADOWNER         10039
  129 #define NFSERR_BADCHAR          10040
  130 #define NFSERR_BADNAME          10041
  131 #define NFSERR_BAD_RANGE        10042
  132 #define NFSERR_LOCK_NOTSUPP     10043
  133 #define NFSERR_OP_ILLEGAL       10044
  134 #define NFSERR_DEADLOCK         10045
  135 #define NFSERR_FILE_OPEN        10046
  136 #define NFSERR_STALEWRITEVERF   30001   /* Fake return for nfs_commit() */
  137 
  138 
  139 
  140 #define NFSERR_RETVOID          0x20000000 /* Return void, not error */
  141 #define NFSERR_AUTHERR          0x40000000 /* Mark an authentication error */
  142 #define NFSERR_RETERR           0x80000000 /* Mark an error return for V3 */
  143 
  144 /* Sizes in bytes of various nfs rpc components */
  145 #define NFSX_UNSIGNED   4
  146 
  147 /* specific to NFS Version 2 */
  148 #define NFSX_V2FH       32
  149 #define NFSX_V2FATTR    68
  150 #define NFSX_V2SATTR    32
  151 #define NFSX_V2COOKIE   4
  152 #define NFSX_V2STATFS   20
  153 
  154 /* specific to NFS Version 3 */
  155 #define NFSX_V3FH               (sizeof (fhandle_t)) /* size this server uses */
  156 #define NFSX_V3FHMAX            64      /* max. allowed by protocol */
  157 #define NFSX_V3FATTR            84
  158 #define NFSX_V3SATTR            60      /* max. all fields filled in */
  159 #define NFSX_V3SRVSATTR         (sizeof (struct nfsv3_sattr))
  160 #define NFSX_V3POSTOPATTR       (NFSX_V3FATTR + NFSX_UNSIGNED)
  161 #define NFSX_V3WCCDATA          (NFSX_V3POSTOPATTR + 8 * NFSX_UNSIGNED)
  162 #define NFSX_V3COOKIEVERF       8
  163 #define NFSX_V3WRITEVERF        8
  164 #define NFSX_V3CREATEVERF       8
  165 #define NFSX_V3STATFS           52
  166 #define NFSX_V3FSINFO           48
  167 #define NFSX_V3PATHCONF         24
  168 
  169 /* specific to NFS Version 4 */
  170 #define NFSX_V4VERF             8
  171 #define NFSX_V4FH               128
  172 #define NFSX_V4STATEID          16
  173 
  174 /* variants for both versions */
  175 #define NFSX_FH(v3)             ((v3) ? (NFSX_V3FHMAX + NFSX_UNSIGNED) : \
  176                                         NFSX_V2FH)
  177 #define NFSX_SRVFH(v3)          ((v3) ? NFSX_V3FH : NFSX_V2FH)
  178 #define NFSX_FATTR(v3)          ((v3) ? NFSX_V3FATTR : NFSX_V2FATTR)
  179 #define NFSX_PREOPATTR(v3)      ((v3) ? (7 * NFSX_UNSIGNED) : 0)
  180 #define NFSX_POSTOPATTR(v3)     ((v3) ? (NFSX_V3FATTR + NFSX_UNSIGNED) : 0)
  181 #define NFSX_POSTOPORFATTR(v3)  ((v3) ? (NFSX_V3FATTR + NFSX_UNSIGNED) : \
  182                                         NFSX_V2FATTR)
  183 #define NFSX_WCCDATA(v3)        ((v3) ? NFSX_V3WCCDATA : 0)
  184 #define NFSX_WCCORFATTR(v3)     ((v3) ? NFSX_V3WCCDATA : NFSX_V2FATTR)
  185 #define NFSX_SATTR(v3)          ((v3) ? NFSX_V3SATTR : NFSX_V2SATTR)
  186 #define NFSX_COOKIEVERF(v3)     ((v3) ? NFSX_V3COOKIEVERF : 0)
  187 #define NFSX_WRITEVERF(v3)      ((v3) ? NFSX_V3WRITEVERF : 0)
  188 #define NFSX_READDIR(v3)        ((v3) ? (5 * NFSX_UNSIGNED) : \
  189                                         (2 * NFSX_UNSIGNED))
  190 #define NFSX_STATFS(v3)         ((v3) ? NFSX_V3STATFS : NFSX_V2STATFS)
  191 
  192 /* nfs rpc procedure numbers (before version mapping) */
  193 #define NFSPROC_NULL            0
  194 #define NFSPROC_GETATTR         1
  195 #define NFSPROC_SETATTR         2
  196 #define NFSPROC_LOOKUP          3
  197 #define NFSPROC_ACCESS          4
  198 #define NFSPROC_READLINK        5
  199 #define NFSPROC_READ            6
  200 #define NFSPROC_WRITE           7
  201 #define NFSPROC_CREATE          8
  202 #define NFSPROC_MKDIR           9
  203 #define NFSPROC_SYMLINK         10
  204 #define NFSPROC_MKNOD           11
  205 #define NFSPROC_REMOVE          12
  206 #define NFSPROC_RMDIR           13
  207 #define NFSPROC_RENAME          14
  208 #define NFSPROC_LINK            15
  209 #define NFSPROC_READDIR         16
  210 #define NFSPROC_READDIRPLUS     17
  211 #define NFSPROC_FSSTAT          18
  212 #define NFSPROC_FSINFO          19
  213 #define NFSPROC_PATHCONF        20
  214 #define NFSPROC_COMMIT          21
  215 #define NFSPROC_NOOP            22
  216 #define NFS_NPROCS              23
  217 
  218 /* Actual Version 2 procedure numbers */
  219 #define NFSV2PROC_NULL          0
  220 #define NFSV2PROC_GETATTR       1
  221 #define NFSV2PROC_SETATTR       2
  222 #define NFSV2PROC_NOOP          3
  223 #define NFSV2PROC_ROOT          NFSV2PROC_NOOP  /* Obsolete */
  224 #define NFSV2PROC_LOOKUP        4
  225 #define NFSV2PROC_READLINK      5
  226 #define NFSV2PROC_READ          6
  227 #define NFSV2PROC_WRITECACHE    NFSV2PROC_NOOP  /* Obsolete */
  228 #define NFSV2PROC_WRITE         8
  229 #define NFSV2PROC_CREATE        9
  230 #define NFSV2PROC_REMOVE        10
  231 #define NFSV2PROC_RENAME        11
  232 #define NFSV2PROC_LINK          12
  233 #define NFSV2PROC_SYMLINK       13
  234 #define NFSV2PROC_MKDIR         14
  235 #define NFSV2PROC_RMDIR         15
  236 #define NFSV2PROC_READDIR       16
  237 #define NFSV2PROC_STATFS        17
  238 
  239 /* Version 4 procedure numbers */
  240 #define NFSV4PROC_NULL         0
  241 #define NFSV4PROC_COMPOUND     1
  242 
  243 /* Version 4 operation numbers */
  244 #define NFSV4OP_ACCESS          3
  245 #define NFSV4OP_CLOSE           4
  246 #define NFSV4OP_COMMIT          5
  247 #define NFSV4OP_CREATE          6
  248 #define NFSV4OP_DELEGPURGE      7
  249 #define NFSV4OP_DELEGRETURN     8
  250 #define NFSV4OP_GETATTR         9
  251 #define NFSV4OP_GETFH           10
  252 #define NFSV4OP_LINK            11
  253 #define NFSV4OP_LOCK            12
  254 #define NFSV4OP_LOCKT           13
  255 #define NFSV4OP_LOCKU           14
  256 #define NFSV4OP_LOOKUP          15
  257 #define NFSV4OP_LOOKUPP         16
  258 #define NFSV4OP_NVERIFY         17
  259 #define NFSV4OP_OPEN            18
  260 #define NFSV4OP_OPENATTR        19
  261 #define NFSV4OP_OPEN_CONFIRM    20
  262 #define NFSV4OP_OPEN_DOWNGRADE  21
  263 #define NFSV4OP_PUTFH           22
  264 #define NFSV4OP_PUTPUBFH        23
  265 #define NFSV4OP_PUTROOTFH       24
  266 #define NFSV4OP_READ            25
  267 #define NFSV4OP_READDIR         26
  268 #define NFSV4OP_READLINK        27
  269 #define NFSV4OP_REMOVE          28
  270 #define NFSV4OP_RENAME          29
  271 #define NFSV4OP_RENEW           30
  272 #define NFSV4OP_RESTOREFH       31
  273 #define NFSV4OP_SAVEFH          32
  274 #define NFSV4OP_SECINFO         33
  275 #define NFSV4OP_SETATTR         34
  276 #define NFSV4OP_SETCLIENTID     35
  277 #define NFSV4OP_SETCLIENTID_CONFIRM 36
  278 #define NFSV4OP_VERIFY          37
  279 #define NFSV4OP_WRITE           38
  280 
  281 /*
  282  * Constants used by the Version 3 protocol for various RPCs
  283  */
  284 #define NFSV3SATTRTIME_DONTCHANGE       0
  285 #define NFSV3SATTRTIME_TOSERVER         1
  286 #define NFSV3SATTRTIME_TOCLIENT         2
  287 
  288 #define NFSV3ACCESS_READ                0x01
  289 #define NFSV3ACCESS_LOOKUP              0x02
  290 #define NFSV3ACCESS_MODIFY              0x04
  291 #define NFSV3ACCESS_EXTEND              0x08
  292 #define NFSV3ACCESS_DELETE              0x10
  293 #define NFSV3ACCESS_EXECUTE             0x20
  294 
  295 #define NFSV3WRITE_UNSTABLE             0
  296 #define NFSV3WRITE_DATASYNC             1
  297 #define NFSV3WRITE_FILESYNC             2
  298 
  299 #define NFSV3CREATE_UNCHECKED           0
  300 #define NFSV3CREATE_GUARDED             1
  301 #define NFSV3CREATE_EXCLUSIVE           2
  302 
  303 #define NFSV3FSINFO_LINK                0x01
  304 #define NFSV3FSINFO_SYMLINK             0x02
  305 #define NFSV3FSINFO_HOMOGENEOUS         0x08
  306 #define NFSV3FSINFO_CANSETTIME          0x10
  307 
  308 /*
  309  * Constants used by the Version 4 protocol for various RPCs
  310  */
  311 
  312 #define NFSV4ACCESS_READ                0x01
  313 #define NFSV4ACCESS_LOOKUP              0x02
  314 #define NFSV4ACCESS_MODIFY              0x04
  315 #define NFSV4ACCESS_EXTEND              0x08
  316 #define NFSV4ACCESS_DELETE              0x10
  317 #define NFSV4ACCESS_EXECUTE             0x20
  318 
  319 #define NFSV4OPENRES_MLOCK              0x01
  320 #define NFSV4OPENRES_CONFIRM            0x02
  321 
  322 #define NFSV4OPENSHARE_ACCESS_READ      0x01
  323 #define NFSV4OPENSHARE_ACCESS_WRITE     0x02
  324 #define NFSV4OPENSHARE_ACCESS_BOTH      0x03
  325 #define NFSV4OPENSHARE_DENY_NONE        0x00
  326 #define NFSV4OPENSHARE_DENY_READ        0x01
  327 #define NFSV4OPENSHARE_DENY_WRITE       0x02
  328 #define NFSV4OPENSHARE_DENY_BOTH        0x03
  329 
  330 /* File types */
  331 typedef enum {
  332         NFNON=0,
  333         NFREG=1,
  334         NFDIR=2,
  335         NFBLK=3,
  336         NFCHR=4,
  337         NFLNK=5,
  338         NFSOCK=6,
  339         NFFIFO=7,
  340         NFATTRDIR = 8,
  341         NFNAMEDATTR = 9,
  342         NFBAD = 10,
  343 } nfstype;      
  344 
  345 /* NFSv4 claim type */
  346 typedef enum {
  347         NCLNULL = 0,
  348         NCLPREV = 1,
  349         NCLDELEGCUR = 2,
  350         NCLDELEGPREV = 3,
  351 } nfsv4cltype;
  352 
  353 /* Other NFSv4 types */
  354 typedef enum {
  355         NSHUNSTABLE = 0,
  356         NSHDATASYNC = 1,
  357         NSHFILESYNC = 2,
  358 } nfsv4stablehow;
  359 
  360 typedef enum { OTNOCREATE = 0, OTCREATE = 1 } nfsv4opentype;
  361 typedef enum { CMUNCHECKED = 0, CMGUARDED = 1, CMEXCLUSIVE = 2 } nfsv4createmode;
  362 typedef enum { THSERVERTIME = 0, THCLIENTTIME = 1 } nfsv4timehow;
  363 typedef enum { ODNONE = 0, ODREAD = 1, ODWRITE = 2 } nfsv4opendelegtype;
  364 
  365 /* Structs for common parts of the rpc's */
  366 
  367 /*
  368  * File Handle (32 bytes for version 2), variable up to 64 for version 3.
  369  * File Handles of up to NFS_SMALLFH in size are stored directly in the
  370  * nfs node, whereas larger ones are malloc'd. (This never happens when
  371  * NFS_SMALLFH is set to 64.)
  372  * NFS_SMALLFH should be in the range of 32 to 64 and be divisible by 4.
  373  */
  374 #ifndef NFS_SMALLFH
  375 #define NFS_SMALLFH     128
  376 #endif
  377 union nfsfh {
  378         fhandle_t       fh_generic;
  379         u_char          fh_bytes[NFS_SMALLFH];
  380 };
  381 typedef union nfsfh nfsfh_t;
  382 
  383 struct nfsv2_time {
  384         u_int32_t       nfsv2_sec;
  385         u_int32_t       nfsv2_usec;
  386 };
  387 typedef struct nfsv2_time       nfstime2;
  388 
  389 struct nfsv3_time {
  390         u_int32_t       nfsv3_sec;
  391         u_int32_t       nfsv3_nsec;
  392 };
  393 typedef struct nfsv3_time       nfstime3;
  394 
  395 /*
  396  * Quads are defined as arrays of 2 longs to ensure dense packing for the
  397  * protocol and to facilitate xdr conversion.
  398  */
  399 struct nfs_uquad {
  400         u_int32_t       nfsuquad[2];
  401 };
  402 typedef struct nfs_uquad        nfsuint64;
  403 
  404 /*
  405  * Used to convert between two u_longs and a u_quad_t.
  406  */
  407 union nfs_quadconvert {
  408         u_int32_t       lval[2];
  409         u_quad_t        qval;
  410 };
  411 typedef union nfs_quadconvert   nfsquad_t;
  412 
  413 /*
  414  * NFS Version 3 special file number.
  415  */
  416 struct nfsv3_spec {
  417         u_int32_t       specdata1;
  418         u_int32_t       specdata2;
  419 };
  420 typedef struct nfsv3_spec       nfsv3spec;
  421 
  422 /*
  423  * NFS Version 4 bitmap.
  424  */
  425 struct nfsv4_bitmap {
  426         uint32_t        bmlen;
  427         uint32_t        *bmval;
  428 };
  429 typedef struct nfsv4_bitmap nfsv4bitmap;
  430 
  431 struct nfsv4_changeinfo {
  432         u_int           ciatomic;
  433         uint64_t        cibefore;
  434         uint64_t        ciafter;
  435 };
  436 typedef struct nfsv4_changeinfo nfsv4changeinfo;
  437 
  438 /*
  439  * File attributes and setable attributes. These structures cover both
  440  * NFS version 2 and the version 3 protocol. Note that the union is only
  441  * used so that one pointer can refer to both variants. These structures
  442  * go out on the wire and must be densely packed, so no quad data types
  443  * are used. (all fields are longs or u_longs or structures of same)
  444  * NB: You can't do sizeof(struct nfs_fattr), you must use the
  445  *     NFSX_FATTR(v3) macro.
  446  */
  447 struct nfs_fattr {
  448         u_int32_t       fa_type;
  449         u_int32_t       fa_mode;
  450         u_int32_t       fa_nlink;
  451         u_int32_t       fa_uid;
  452         u_int32_t       fa_gid;
  453         union {
  454                 struct {
  455                         u_int32_t       nfsv2fa_size;
  456                         u_int32_t       nfsv2fa_blocksize;
  457                         u_int32_t       nfsv2fa_rdev;
  458                         u_int32_t       nfsv2fa_blocks;
  459                         u_int32_t       nfsv2fa_fsid;
  460                         u_int32_t       nfsv2fa_fileid;
  461                         nfstime2        nfsv2fa_atime;
  462                         nfstime2        nfsv2fa_mtime;
  463                         nfstime2        nfsv2fa_ctime;
  464                 } fa_nfsv2;
  465                 struct {
  466                         nfsuint64       nfsv3fa_size;
  467                         nfsuint64       nfsv3fa_used;
  468                         nfsv3spec       nfsv3fa_rdev;
  469                         nfsuint64       nfsv3fa_fsid;
  470                         nfsuint64       nfsv3fa_fileid;
  471                         nfstime3        nfsv3fa_atime;
  472                         nfstime3        nfsv3fa_mtime;
  473                         nfstime3        nfsv3fa_ctime;
  474                 } fa_nfsv3;
  475         } fa_un;
  476 };
  477 
  478 /* and some ugly defines for accessing union components */
  479 #define fa2_size                fa_un.fa_nfsv2.nfsv2fa_size
  480 #define fa2_blocksize           fa_un.fa_nfsv2.nfsv2fa_blocksize
  481 #define fa2_rdev                fa_un.fa_nfsv2.nfsv2fa_rdev
  482 #define fa2_blocks              fa_un.fa_nfsv2.nfsv2fa_blocks
  483 #define fa2_fsid                fa_un.fa_nfsv2.nfsv2fa_fsid
  484 #define fa2_fileid              fa_un.fa_nfsv2.nfsv2fa_fileid
  485 #define fa2_atime               fa_un.fa_nfsv2.nfsv2fa_atime
  486 #define fa2_mtime               fa_un.fa_nfsv2.nfsv2fa_mtime
  487 #define fa2_ctime               fa_un.fa_nfsv2.nfsv2fa_ctime
  488 #define fa3_size                fa_un.fa_nfsv3.nfsv3fa_size
  489 #define fa3_used                fa_un.fa_nfsv3.nfsv3fa_used
  490 #define fa3_rdev                fa_un.fa_nfsv3.nfsv3fa_rdev
  491 #define fa3_fsid                fa_un.fa_nfsv3.nfsv3fa_fsid
  492 #define fa3_fileid              fa_un.fa_nfsv3.nfsv3fa_fileid
  493 #define fa3_atime               fa_un.fa_nfsv3.nfsv3fa_atime
  494 #define fa3_mtime               fa_un.fa_nfsv3.nfsv3fa_mtime
  495 #define fa3_ctime               fa_un.fa_nfsv3.nfsv3fa_ctime
  496 
  497 struct nfsv4_fattr {
  498         u_int           fa4_valid;
  499         nfstype         fa4_type;
  500         off_t           fa4_size;
  501         uint64_t        fa4_fsid_major;
  502         uint64_t        fa4_fsid_minor;
  503         uint64_t        fa4_fileid;
  504         mode_t          fa4_mode;
  505         nlink_t         fa4_nlink;
  506         uid_t           fa4_uid;
  507         gid_t           fa4_gid;
  508         uint32_t        fa4_rdev_major;
  509         uint32_t        fa4_rdev_minor;
  510         struct timespec fa4_atime;
  511         struct timespec fa4_ctime;
  512         struct timespec fa4_mtime;
  513         uint64_t        fa4_maxread;
  514         uint64_t        fa4_maxwrite;
  515         uint64_t        fa4_ffree;
  516         uint64_t        fa4_ftotal;
  517         uint32_t        fa4_maxname;
  518         uint64_t        fa4_savail;
  519         uint64_t        fa4_sfree;
  520         uint64_t        fa4_stotal;
  521         uint64_t        fa4_changeid;
  522         uint32_t        fa4_lease_time;
  523         uint64_t        fa4_maxfilesize;
  524 };
  525 
  526 /* Flags for fa4_valid */
  527 #define FA4V_SIZE       0x00000001
  528 #define FA4V_FSID       0x00000002
  529 #define FA4V_FILEID     0x00000004
  530 #define FA4V_MODE       0x00000008
  531 #define FA4V_NLINK      0x00000010
  532 #define FA4V_UID        0x00000020
  533 #define FA4V_GID        0x00000040
  534 #define FA4V_RDEV       0x00000080
  535 #define FA4V_ATIME      0x00000100
  536 #define FA4V_CTIME      0x00000200
  537 #define FA4V_MTIME      0x00000400
  538 #define FA4V_MAXREAD    0x00000800
  539 #define FA4V_MAXWRITE   0x00001000
  540 #define FA4V_TYPE       0x00002000
  541 #define FA4V_FFREE      0x00004000
  542 #define FA4V_FTOTAL     0x00008000
  543 #define FA4V_MAXNAME    0x00010000
  544 #define FA4V_SAVAIL     0x00020000
  545 #define FA4V_SFREE      0x00040000
  546 #define FA4V_STOTAL     0x00080000
  547 #define FA4V_CHANGEID   0x00100000
  548 #define FA4V_LEASE_TIME 0x00200000
  549 #define FA4V_MAXFILESIZE 0x00400000
  550 #define FA4V_ACL        0x00800000
  551 
  552 /* Offsets into bitmask */
  553 #define FA4_SUPPORTED_ATTRS     0
  554 #define FA4_TYPE                1
  555 #define FA4_FH_EXPIRE_TYPE      2
  556 #define FA4_CHANGE              3
  557 #define FA4_SIZE                4
  558 #define FA4_LINK_SUPPORT        5
  559 #define FA4_SYMLINK_SUPPORT     6
  560 #define FA4_NAMED_ATTR          7
  561 #define FA4_FSID                8
  562 #define FA4_UNIQUE_HANDLES      9
  563 #define FA4_LEASE_TIME          10
  564 #define FA4_RDATTR_ERROR        11
  565 #define FA4_ACL                 12
  566 #define FA4_ACLSUPPORT          13
  567 #define FA4_ARCHIVE             14
  568 #define FA4_CANSETTIME          15
  569 #define FA4_CASE_INSENSITIVE    16
  570 #define FA4_CASE_PRESERVING     17 
  571 #define FA4_CHOWN_RESTRICTED    18
  572 #define FA4_FILEHANDLE          19
  573 #define FA4_FILEID              20
  574 #define FA4_FILES_AVAIL         21
  575 #define FA4_FILES_FREE          22
  576 #define FA4_FILES_TOTAL         23
  577 #define FA4_FS_LOCATIONS        24
  578 #define FA4_HIDDEN              25
  579 #define FA4_HOMOGENEOUS         26
  580 #define FA4_MAXFILESIZE         27
  581 #define FA4_MAXLINK             28
  582 #define FA4_MAXNAME             29
  583 #define FA4_MAXREAD             30
  584 #define FA4_MAXWRITE            31
  585 #define FA4_MIMETYPE            32
  586 #define FA4_MODE                33
  587 #define FA4_NO_TRUNC            34
  588 #define FA4_NUMLINKS            35
  589 #define FA4_OWNER               36
  590 #define FA4_OWNER_GROUP         37
  591 #define FA4_QUOTA_HARD          38
  592 #define FA4_QUOTA_SOFT          39
  593 #define FA4_QUOTA_USED          40
  594 #define FA4_RAWDEV              41
  595 #define FA4_SPACE_AVAIL         42
  596 #define FA4_SPACE_FREE          43
  597 #define FA4_SPACE_TOTAL         44
  598 #define FA4_SPACE_USED          45
  599 #define FA4_SYSTEM              46
  600 #define FA4_TIME_ACCESS         47
  601 #define FA4_TIME_ACCESS_SET     48
  602 #define FA4_TIME_BACKUP         49
  603 #define FA4_TIME_CREATE         50
  604 #define FA4_TIME_DELTA          51
  605 #define FA4_TIME_METADATA       52
  606 #define FA4_TIME_MODIFY         53
  607 #define FA4_TIME_MODIFY_SET     54
  608 #define FA4_ATTR_MAX            55
  609 
  610 /* Macros for v4 fattr manipulation */
  611 #define FA4_SET(n, p)   ((p)[(n)/32] |= (1 << ((n) % 32)))
  612 #define FA4_CLR(n, p)   ((p)[(n)/32] &= ~(1 << ((n) % 32)))
  613 #define FA4_ISSET(n, p) ((p)[(n)/32] & (1 << ((n) % 32)))
  614 #define FA4_ZERO(p)     bzero((p), 8)
  615 #define FA4_SKIP(p)     ((p) += 2)
  616 
  617 struct nfsv2_sattr {
  618         u_int32_t       sa_mode;
  619         u_int32_t       sa_uid;
  620         u_int32_t       sa_gid;
  621         u_int32_t       sa_size;
  622         nfstime2        sa_atime;
  623         nfstime2        sa_mtime;
  624 };
  625 
  626 /*
  627  * NFS Version 3 sattr structure for the new node creation case.
  628  */
  629 struct nfsv3_sattr {
  630         u_int32_t       sa_modetrue;
  631         u_int32_t       sa_mode;
  632         u_int32_t       sa_uidfalse;
  633         u_int32_t       sa_gidfalse;
  634         u_int32_t       sa_sizefalse;
  635         u_int32_t       sa_atimetype;
  636         nfstime3        sa_atime;
  637         u_int32_t       sa_mtimetype;
  638         nfstime3        sa_mtime;
  639 };
  640 
  641 struct nfs_statfs {
  642         union {
  643                 struct {
  644                         u_int32_t       nfsv2sf_tsize;
  645                         u_int32_t       nfsv2sf_bsize;
  646                         u_int32_t       nfsv2sf_blocks;
  647                         u_int32_t       nfsv2sf_bfree;
  648                         u_int32_t       nfsv2sf_bavail;
  649                 } sf_nfsv2;
  650                 struct {
  651                         nfsuint64       nfsv3sf_tbytes;
  652                         nfsuint64       nfsv3sf_fbytes;
  653                         nfsuint64       nfsv3sf_abytes;
  654                         nfsuint64       nfsv3sf_tfiles;
  655                         nfsuint64       nfsv3sf_ffiles;
  656                         nfsuint64       nfsv3sf_afiles;
  657                         u_int32_t       nfsv3sf_invarsec;
  658                 } sf_nfsv3;
  659         } sf_un;
  660 };
  661 
  662 #define sf_tsize        sf_un.sf_nfsv2.nfsv2sf_tsize
  663 #define sf_bsize        sf_un.sf_nfsv2.nfsv2sf_bsize
  664 #define sf_blocks       sf_un.sf_nfsv2.nfsv2sf_blocks
  665 #define sf_bfree        sf_un.sf_nfsv2.nfsv2sf_bfree
  666 #define sf_bavail       sf_un.sf_nfsv2.nfsv2sf_bavail
  667 #define sf_tbytes       sf_un.sf_nfsv3.nfsv3sf_tbytes
  668 #define sf_fbytes       sf_un.sf_nfsv3.nfsv3sf_fbytes
  669 #define sf_abytes       sf_un.sf_nfsv3.nfsv3sf_abytes
  670 #define sf_tfiles       sf_un.sf_nfsv3.nfsv3sf_tfiles
  671 #define sf_ffiles       sf_un.sf_nfsv3.nfsv3sf_ffiles
  672 #define sf_afiles       sf_un.sf_nfsv3.nfsv3sf_afiles
  673 #define sf_invarsec     sf_un.sf_nfsv3.nfsv3sf_invarsec
  674 
  675 struct nfsv3_fsinfo {
  676         u_int32_t       fs_rtmax;
  677         u_int32_t       fs_rtpref;
  678         u_int32_t       fs_rtmult;
  679         u_int32_t       fs_wtmax;
  680         u_int32_t       fs_wtpref;
  681         u_int32_t       fs_wtmult;
  682         u_int32_t       fs_dtpref;
  683         nfsuint64       fs_maxfilesize;
  684         nfstime3        fs_timedelta;
  685         u_int32_t       fs_properties;
  686 };
  687 
  688 struct nfsv3_pathconf {
  689         u_int32_t       pc_linkmax;
  690         u_int32_t       pc_namemax;
  691         u_int32_t       pc_notrunc;
  692         u_int32_t       pc_chownrestricted;
  693         u_int32_t       pc_caseinsensitive;
  694         u_int32_t       pc_casepreserving;
  695 };
  696 
  697 #endif

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