Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM.

FVSECT

Prolog  

Control Block Contents  
   FVSECT DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  


FVSECT Prolog

 NAME       : FVS
 DESCRIPTION: Fixed Variable Storage Work Area
 DSECT      : FVSECT
 FUNCTION   : Workarea for file management
              routines; must also include the DMSAFT macro.
              FVSECT is used mainly by file management and
              I/O routines. FVS contains save areas, work
              areas, and commonly used constants. A typical
              use of FVS is when a reentrant I/O routine
              requires a work area or save area, because the
              routine cannot modify itself. FVSECT is called
              by the FVS macro.

 

FVSECT Control Block Content


FVSECT DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      FVSECT         Fixed Variable Storage Work Area
0000    0 Signed       4 DISK$SEG (15)  (1) FOR ACTLKP, TRKLKP, QQTRK
003C   60 Signed       4 REGSAV3 (15)   (2) FOR STATE
0078  120 Signed       4 RWFSTRG (18)   (3) REMAINING STORAGE FOR RDBUF,
                                        WRBUF
00C0  192 Signed       4 FVSBUFSZ       SFS R/W cache size in 4K blocks (
                                        Default is five 4K blocks or 20K)
00C4  196 Address      4 FVSDAFT        Addr of the first DMSOPEN AFT or
                                        the anchor AFT.
00C8  200 Address      4 FVSFSER        Address of FS to SFS error data
                                        area (DMSFSERR), this will be
                                        zero until first applicable error
                                        encountered
00CC  204 Signed       4 FVSFSSZ        Maximum error elements in
                                        DMSFSERR block The default is 11.
00D0  208 Signed       4 *              RESERVED FOR FUTURE IBM USE
             SAVE-AREA FOR LOWEST-LEVEL ROUTINES:
             E.G. READMFD, RELUFD, UPDISK, ADTLKW
00D4  212 Signed       4 REGSAV0 (15)   -- (1) SAVED R0-R15
0110  272 Address      3 *              -- (2) FIRST 3 BYTES OF
                                        RETURN-CODE
0113  275 Address      1 ERRCOD0        -- (3) ERROR-CODE GOES HERE
          000000D4       TRKLSAVE       REGSAV0 FOR TRKLKP/X ONLY WHEN
                                        CALLED BY QQTRK/X
             SAVE-AREA FOR NEXT-TO-LOWEST LEVEL ROUTINES:
             E.G. READFST, ERASE, ALTER, INTSVC-LOADMOD
0114  276 Signed       4 REGSAV1 (15)   -- (1) save R0-R15
0150  336 Address      3 *              -- (2) first 3 bytes of return
                                        code which are to remain
                                        unchanged
0153  339 Address      1 ERRCOD1        -- (3) error code goes here
0154  340 Signed       4 F65535         = X'0000FFFF'
0158  344 Signed       4 FW4
          00000FW4       HW4            FW4+2 HW4 Flag byte indicating
                                        that a module has copied the
                                        plist into the DMSNUCPA area
                                        because the plist was above the
                                        line. This flag byte is currently
                                        being used by DMSSTT, DMSFNS, and
                                        DMSERS.
015C  348 Bitstring    1 NUCPAFLG       DMSNUCPA flag byte
          1... ....      ERSCOPY        X'80' ERSCOPY ERASE did a copy
          .1.. ....      FNSCOPY        X'40' FNSCOPY FINIS did a copy
          ..1. ....      STTCOPY        X'20' STTCOPY STATE did a copy
015D  349 Bitstring    3 *              Reserved for future use
0160  352 Signed       4 F100           -- (2)
0164  356 Signed       4 *              Reserved for future use
0168  360 Signed       4 *              Reserved for future IBM use
016C  364 Signed       4 *              Reserved for future IBM use
0170  368 Signed       4 *              Reserved for future IBM use
0174  372 Signed       4 *              Reserved for future IBM use
0178  376 Signed       4 *              Reserved for future IBM use
017C  380 Signed       4 *              Reserved for future IBM use
0180  384 Signed       4 DSKLST (0)     ALL-PURPOSE RDTK/WRTK P-LIST...
0180  384 Address      4 DSKLOC         CORE LOC. OF ITEM
0184  388 Address      4 RWCNT          BYTE-COUNT (USUALLY 800)
0188  392 Address      4 DSKADR         DISK ADDRESS OF ITEM
          1... ....      FWADDR         X'80' FWADDR IN HIGH BIT OF
                                        DSKADDR INDICATES EXTENDED DIO
                                        PLIST (FULLWORD DISK ADR, PTR
                                        SIZE AND PLIST CHAIN POINTER)
018C  396 Address      4 ADTADD         ADDRESS OF CORRECT
                                        ACTIVE-DISK-TABLE
0190  400 Signed       4 DSKPTRSZ       DSK POINTER SIZE IF F/W ADDR
0194  404 Address      4 DSKCHAIN       PLIST CHAIN POINTER
0198  408 Signed       4 DSKLST2 (0)    ALL-PURPOSE RDTK/WRTK P-LIST
0198  408 Address      4 DSKLOC2        CORE LOC. OF ITEM
019C  412 Address      4 RWCNT2         BYTE-COUNT
01A0  416 Address      4 DSKADR2        DISK ADDRESS OF ITEM
01A4  420 Address      4 ADTADD2        ADDR OF ADT (NOT USED IN CHAINED
                                        PLISTS)
01A8  424 Signed       4 DSKPTRS2       DSK POINTER SIZE IF F/W ADDR
01AC  428 Address      4 DSKCHAI2       PLIST CHAIN POINTER
          00000018       DSKLEN         (DSKCHAI2+4)-DSKLST2 Length of
                                        RDTK PLIST
01B0  432 Character    8 FINISLST       P-LIST TO CLOSE ALL FILES
01B8  440 Character    8 *
01C0  448 Character    8 *
01C8  456 Character    2 *
01CA  458 Signed       2 * (0)          HALFWORD CONSTANTS ...
01CA  458 Bitstring    2 FFF            MEANS NO SIGNIFICANT DATA PAST
                                        215TH BYTE
01CC  460 Bitstring    2 FFE            1968-ERA MFD STILL SUPPORTED ON
                                        INPUT ONLY
01CE  462 Bitstring    2 FFD            NEWEST SIGNAL FOR FULL 2314
                                        HANDLING NOTE: 2314 DASD is not
                                        supported
             'SIGNAL' = SCRATCH HALFWORD USED BY READMFD OR ERASE...
01D0  464 Signed       2 SIGNAL         = 0000, X'FFFF', X'FFFE', OR
                                        X'FFFD'
          00SIGNAL       SWTCH          SIGNAL+1 SWTCH 00, FF, FE, OR FD
01D2  466 Bitstring    1 UFDBUSY        NONZERO MEANS 'UFD IS BUSY BEING
                                        UPDATED'
01D3  467 Bitstring    1 KXFLAG         'KX' FLAGS
          1... ....      KXWANT         X'80' KXWANT KX WANTED ASAP
          .... ...1      KXWSVC         X'01' KXWSVC HOLD KX UNTIL ANY
                                        SVC ACTIVITY
01D4  468 Bitstring    1 FVSFLG0        FLAG FOR GENERAL COMUNICATION
             Flag bits for FVSFLG0
          .... ...1      FVSACCM0       X'01' When on, indicate that fm 0
                                        files can be included for R/O
                                        accessed disk.
01D5  469 Bitstring    1 FLGSAVE        FOR SCRATCH USE (E.G. BY RELUFD)
             FLAG BITS FOR 'UFDBUSY' FLAG
          1... ....      WRBIT          X'80' WRBUF
          .1.. ....      UPBIT          X'40' UPDISK - READMFD
          ..1. ....      FNBIT          X'20' FINIS
          ...1 ....      ERBIT          X'10' ERASE - ALTER - READFST
          .... 1...      DIOBIT         X'08' RDTK/WRTK THE FOLLOWING
                                        BITS ARE FOR ROUTINES WHICH DO
                                        NOT UPDATE THE DISK, BUT WHICH
                                        CAN'T BE INTERRUPTED BY A KX
                                        ANYWAY.
          .... ..1.      ABNBIT         X'02' DMSABN -- ABEND RECOVERY
                                        ROUTINE
          .... ...1      ITSBIT         X'01' DMSITS -- SVC HANDLING
                                        ROUTINE
01D6  470 Bitstring    1 FVSFLAG        (FOR GENERAL USE - AS NEEDED)
             MISCELLANEOUS STORAGE USED BY ERASE (OR ALTER) ....
01D7  471 Bitstring    1 ERSFLAG        FLAG FOR USE BY ERASE OR ALTER
01D8  472 Signed       4 FVSERAS0       R0 at entry to ERASE
01DC  476 Signed       4 FVSERAS1       R1 at entry to ERASE
01E0  480 Signed       4 FVSERAS2       Address of ERASE work area
01E4  484 Signed       4 FVSERAS3       Address of copied extended plist
01E8  488 Signed       4 FVSERAS4       reserved for use by ERASE
01EC  492 Signed       4 FVSERAS5       reserved for use by ERASE
01F0  496 Signed       4 *              Reserved for future IBM use
01F4  500 Signed       4 FVSERAS6       reserved for use by ERASE
        FILE STATUS TABLE (FST) COPY FROM "STATE"
01F8  504 Dbl-Word     8 STATEFST (0)   FST OF 'STATED' FILE
             CDF FST COPY (40 BYTES)
             (returned on FSSTATE and FSOPEN without FORM=E)
01F8  504 Dbl-Word     8 FVSFSTN        FILENAME -0
0200  512 Dbl-Word     8 FVSFSTT        FILETYPE -8
0208  520 Signed       2 FVSFSTDT (2)   DATE/TIME LAST WRITTEN -16,18
020C  524 Signed       2 FVSFSTWP       WRITE POINTER (ITEM ID) -20
020E  526 Signed       2 FVSFSTRP       READ POINTER (ITEM ID) -22
0210  528 Signed       2 FVSFSTM        FILEMODE -24
0212  530 Signed       2 FVSFSTIC       N'ITEMS IN FILE -26
0214  532 Signed       2 FVSFSTCL       DA(FIRST CHAIN LINK) -28
0216  534 Character    1 FVSFSTFV       FIXED(F) / VARIABLE(V) INDICATOR
                                        -30
0217  535 Bitstring    1 FVSFSTFB       FLAG BYTE -31
0218  536 Signed       4 FVSFSTIL       L'ITEMS -32
021C  540 Signed       2 FVSFSTDB       N'DATA BLOCKS -36
021E  542 Character    1 FVSFSTYR (2)   YEAR LAST WRITTEN -38 Note there
                                        is a flag bit in FVSFSTFB X'08'
                                        that corresponds to FVSFSTYR
                                        indicating the century (0=19,
                                        1=20)
          00000028       FVSL1          *-STATEFST LENGTH OF SHORT FST
             POINTERS ASSOCIATED WITH BOTH FST VERSIONS
0220  544 Address      4 FVSFSTAD       A(ADT FOR THIS FILE)
          FVSFSTAD       STATER0        FVSFSTAD STATER0
0224  548 Address      4 FVSFSTAC       A(REAL FST ENTRY FOR THIS FILE)
          FVSFSTAC       STATER1        FVSFSTAC STATER1
0228  552 Signed       4 * (2)          Reserved for future IBM use
             EDF/SFS FST COPY (80 BYTES)
0230  560 Dbl-Word     8 STATFST2 (0)   EDF FORMAT FST COPY
      FILE STATUS TABLE (FILE DIRECTORY) BLOCK
0230  560 Signed       4 * (0)
0230  560 Character   16 FVSNT (0)      Filename and file type
0230  560 Character    8 FVSN           FILE NAME
0238  568 Character    8 FVST           FILE TYPE
          0000FVST       FVSDIRN        00010 FVSN,16 Subdirectory name
0240  576 Signed       4 FVSD           DATE/TIME LAST WRITTEN
0244  580 Signed       2 FVSWP          WRITE POINTER (ITEM #)
0246  582 Signed       2 FVSRP          READ POINTER (ITEM #)
          000FVSRP       FVSBFOWN       00008 FVSD,8 Base file owner
0248  584 Signed       2 FVSM           File mode and mode number. Mode
                                        number will be blank for DIRs.
          00000248       FVSMCHAR       FVSM,1 File mode character
          00000249       FVSMNUM        FVSM+1,1 File mode number
024A  586 Signed       2 FVSIC          ITEM COUNT, zero for directories
          000FVSIC       FVSCDFMR       65533 FVSCDFMR maximum valid
                                        record number for CDF files
024C  588 Signed       2 FVSFCL         FIRST CHAIN LINK
          00FVSFCL       FVSSCID        00004 FVSIC,4 Something Changed
                                        ID
024E  590 Character    1 FVSFV          Type of FST flag field
             FSTFV flag -byte definitions
          000000C6       FVSFVFIX       C'F' FIXED file FST
          000000E5       FVSFVVAR       C'V' VARIABLE file FST
          000000C4       FVSFVDIR       C'D' DIRECTORY FST
          00000060       FVSFVERS       C'-' Erased or revoked alias FST
024F  591 Bitstring    1 FVSFB          Flag byte (if used)
             "FSTFB" FLAG-BYTE DEFINITIONS
             (APPLICABLE ONLY TO "STATEFST" COPY OF FST-ENTRY
             AFTER SUCCESSFUL "STATE" OR "STATEW" CALL.)
          .... ....      FVSFRO         X'00' READ-ONLY DISK
          .1.. ....      FVSFROX        X'40' READ-ONLY EXTENSION OF
                                        READ-ONLY DISK
          ...1 ....      FVSFBSFS       X'10' Shared File FST
          1... ....      FVSFRW         X'80' READ-WRITE DISK
          11.. ....      FVSFRWX        X'C0' READ-ONLY EXTENSION OF
                                        READ-WRITE DISK
          .... 1...      FVSCNTRY       X'08' CENTURY FOR DATE LAST
                                        WRITTEN (0=19, 1=20), CORRESPONDS
                                        TO FSTYR, FSTADATI.
          .... .111      FVSFACT        X'07' FILE "ACTIVE" - ONE OF THE
                                        FOLLOWING:
          .... .1..      FVSFAR         X'04' FILE ACTIVE FOR READING
          .... ..1.      FVSFAW         X'02' FILE ACTIVE FOR WRITING
          .... ...1      FVSFAP         X'01' FILE ACTIVE FROM A "POINT"
             APPLICABLE TO FSCBFLG IN PLIST
          ..1. ....      FVSEPL         X'20' EXTENDED PLIST
          .1.. ....      FVSITAV        X'40' ITEM AVAILABLE
          .... ...1      FVSRECAV       X'01' PREVIOUS RECORD NULL
0250  592 Signed       4 FVSIL          (MAXIMUM) ITEM LENGTH
0254  596 Signed       2 FVSDBC         NUMBER OF DATA BLOCKS
0256  598 Signed       2 FVSYR          YEAR
          000FVSYR       FVSTID         00004 FVSDBC,4 Tupple Identifier
          00000028       FVSL           *-FVSN FST EDF EXTENSION
0258  600 Signed       4 FVSFOP         ALT. FILE ORIGIN POINTER, will be
                                        zero for directories
025C  604 Signed       4 FVSADBC        ALT. NUMBER OF DATA BLOCKS, will
                                        be zero for directories
0260  608 Signed       4 FVSAIC         ALT. ITEM COUNT, will be zero for
                                        directories
0264  612 Bitstring    1 FVSNLVL        NUMBER OF POINTER BLOCK LEVELS,
                                        zero for directories
0265  613 Bitstring    1 FVSPTRSZ       LENGTH OF A POINTER ELEMENT, zero
                                        for directories
0266  614 Character    6 FVSADATI       ALT. DATE/TIME(YY MM DD HH MM SS)
          FVSADATI       FVSFDATE       00003 FVSADATI,3 Date
          FVSADATI       FVSFTIME       00003 FVSADATI+3,3 Time
026C  620 Signed       4 FVSEDFEN
026C  620 Character    1 FVSREALM       Real filemode
026D  621 Bitstring    1 FVSFLAG2       FST flag byte 2
          ...1 ....      FVSPIPEU       X'10' FVSPIPEU Reserved for CMS
                                        PIPELINES usage
026E  622 Character    2 *              - Reserved -
          00000040       FVSL2          *-FVSN LENGTH OF AN EDF FST.
026C  620 Bitstring    8 FVSOID         Object identifier
0274  628 Bitstring    8 FVSBFOID       Base file identifier
       The bits in the authority flag byte are mutually
       exclusive.
027C  636 Bitstring    1 FVSFB1         authority flag byte
          1... ....      FVSFB1RD       X'80' FVSFB1RD Read authority for
                                        this file
          .1.. ....      FVSFB1WR       X'40' FVSFB1WR Write authority
                                        for this file No Authority to
                                        this file when FB1RD and FB1WR
                                        are off
          ..1. ....      FVSFB1EX       X'20' FVSFB1EX ESM-protected file
027D  637 Bitstring    1 FVSFB2         status flag byte
          1... ....      FVSFB2ER       X'80' FVSFB2ER Erased Alias
                                        indicator
          .1.. ....      FVSFB2RV       X'40' FVSFB2RV Revoked Alias
                                        indicator
          ..1. ....      FVSFB2BF       X'20' FVSFB2BF Base file
                                        indicator
          ...1 ....      FVSFB2AL       X'10' FVSFB2AL Alias fst
                                        indicator
          .... 1...      FVSFB2SD       X'08' FVSFB2SD Subdirectory fst
                                        indicator
          .... .1..      FVSFB2DC       X'04' FVSFB2DC Dircontrol
                                        subdirectory Note. FB2DC = on
                                        implies that FB2SD = on.
          .... ..1.      FVSFB2MG       X'02' FVSFB2MG Migrated file
          .... ...1      FVSFB2EO       X'01' FVSFB2EO External Object
027E  638 Bitstring    1 FVSFB3         extended attribute flag byte
          1... ....      FVSFB3IP       X'80' FVSFB3IP file has the
                                        INPLACE attribute
          .1.. ....      FVSFB3MA       X'40' FVSFB3MA module file with
                                        long name alias
          ..1. ....      FVSFB3IV       X'20' FVSFB3IV FST invalid
                                        (during cache update -DMSJCM
                                        only)
          .... 1...      FVSCDOLR       X'08' FVSCDOLR CENTURY FOR DATE
                                        LAST REFERENCE (0=19, 1=20),
                                        CORRESPONDS TO FSTDOLR.
027F  639 Character    1 *              -RESERVED-
          00000050       FVSL3          *-FVSN Length of a Shared file
                                        FST
0280  640 Signed       4 FVSDSFOP       Data space file origin pointer
0284  644 Character    3 FVSDOLR        Date of last reference
0287  647 Character    1 *              -RESERVED-
          00000058       FVSL4          *-FVSN Length of an SFS data
                                        space FST
          00000288       FVSNDFST       * END OF FST COPIES IN FVS
          00000090       FVSENDST       FVSNDFST-STATEFST length of
                                        STATEFST in bytes
          00000012       FVSNDSTD       (FVSENDST+7)/8 length of STATEFST
                                        in dwords
          00000005       FVSELMNT       5 NUMBER OF FVS DIO PLISTS IN
                                        MULTI-ELEMENT CHAINED PLIST
          00000006       FVSELMNL       6 LENGTH OF A DIO PLIST ELEMENT
0288  648 Signed       4 FVSDIOPL (30)  IO MULTI-ELEMENT PLIST.
0300  768 Signed       4 * (16)         Reserved for future IBM use
0340  832 Dbl-Word     8 FVSPATCH (0)   PATCH AREA FOR CMS NUC
0340  832 Character    8 *              EYE CATCHER
0348  840 Signed       4 FVSFNSST       Storage chain anchor for FNS
034C  844 Signed       4 * (19)         PATCH AREA
0398  920 Signed       4 FVSACFR (15)   Save regs 0-14 for DMSACF
03D4  980 Address      2 *
03D6  982 Bitstring    1 FVSFLG1        Flag byte FLAG BIT FOR FVSFLG1
          1... ....      FVSSEGC        X'80' DMSARESG invoked (via
                                        SEGMENT)
          .1.. ....      FVSPURC        X'40' segment purge invoked (in
                                        DMSALU)
03D7  983 Address      1 FVSACFE        Save reg.15 (error) for DMSACF
03D8  984 Signed       4 FVSACGR (15)   Save regs 0-14 for DMSACG
0414 1044 Address      3 *
0417 1047 Address      1 FVSACGE        Save reg. 15 (error) for DMSACG
0418 1048 Signed       4 FVSLAD (16)    Save area for DMSLAD
0458 1112 Signed       4 FVSAAFT (0)    Anchor to the AFT chain; maps to
                                        the first 12 bytes of an AFT
0458 1112 Address      4 *              Forward pointer
045C 1116 Address      4 *              backward pointer
0460 1120 Character    3 *              eyecatcher for AFT
0463 1123 Bitstring    1 *              INDICATE ANCHOR FOR AFTS. IF THIS
                                        EQUATE CHANGES, MUST CHANGE
                                        EQUATE IN FIELD AFTANCHR IN THE
                                        DMSAFT MACRO AND DMSAFTP COPY.
0464 1124 Address      4 FVSNUAFT       ptr to the chain of unused
                                        preallocated AFTS or zero if all
                                        are being used
0468 1128 Address      4 FVSRDAFT       addr of AFT last read from or
                                        zero if no open AFTs
046C 1132 Address      4 FVSWRAFT       addr of AFT last written to or
                                        zero if no open AFTs
0470 1136 Address      4 FVSCFST        addr of current FST
0474 1140 Address      4 FVSCHBA        addr of current FST hyperblock
0478 1144 Signed       4 FVSLADU (16)   Save area for DMSLADU
04B8 1208 Character   88 FVSLFSCP       Copy of FST in a data space
                                        returned by FST Lookup (DMSLFS)
0510 1296 Signed       4 FVSMDBSZ       Minidisk cache size in KB
                                        (Default is 8KB)
0514 1300 Bitstring    1 FVSMISCF       Miscellaneous file system flags
          1... ....      FVSNORAS       X'80' FVSNORAS Disable FST
                                        verification in DMSAUD
0515 1301 Bitstring    3 *              Reserved for future IBM Use
0518 1304 Signed       4 * (3)          Reserved for future IBM Use

 

FVSECT Storage Layout

          
*** FVSECT - Fixed Variable Storage Work Area
*
*     +-------------------------------------------------------+
*   0 |                                                       |
*     =                       DISK$SEG                        =
*     |                           +---------------------------+
*     |                           |                           |
*     +---------------------------+                           |
*  40 |                                                       |
*     =                       REGSAV3                         =
*     |                                                       |
*     +-------------------------------------------------------+
*  78 |                                                       |
*     =                       RWFSTRG                         =
*     |                                                       |
*     +---------------------------+---------------------------+
*  C0 |         FVSBUFSZ          |         FVSDAFT           |
*     +---------------------------+---------------------------+
*  C8 |         FVSFSER           |         FVSFSSZ           |
*     +---------------------------+---------------------------+
*  D0 |///////////////////////////|                           |
*     +---------------------------+                           |
*  D8 |                                                       |
*     =                       REGSAV0                         =
*     |                                                       |
*     +--------------------+------+---------------------------+
* 110 |////////////////////|:COD0 |                           |
*     +--------------------+------+                           |
* 118 |                                                       |
*     =                       REGSAV1                         =
*     |                                                       |
*     +--------------------+------+---------------------------+
* 150 |////////////////////|:COD1 |          F65535           |
*     +--------------------+------+------+--------------------+
* 158 |           FW4             |:PAFLG|////////////////////|
*     +---------------------------+------+--------------------+
* 160 |           F100            |///////////////////////////|
*     +---------------------------+---------------------------+
* 168 |///////////////////////////|///////////////////////////|
*     +---------------------------+---------------------------+
* 170 |///////////////////////////|///////////////////////////|
*     +---------------------------+---------------------------+
* 178 |///////////////////////////|///////////////////////////|
*     +---------------------------+---------------------------+
* 180 |          DSKLOC           |          RWCNT            |
*     +---------------------------+---------------------------+
* 188 |          DSKADR           |          ADTADD           |
*     +---------------------------+---------------------------+
* 190 |         DSKPTRSZ          |         DSKCHAIN          |
*     +---------------------------+---------------------------+
* 198 |         DSKLOC2           |          RWCNT2           |
*     +---------------------------+---------------------------+
* 1A0 |         DSKADR2           |         ADTADD2           |
*     +---------------------------+---------------------------+
* 1A8 |         DSKPTRS2          |         DSKCHAI2          |
*     +---------------------------+---------------------------+
* 1B0 |                       FINISLST                        |
*     +-------------------------------------------------------+
* 1B8 |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
* 1C0 |///////////////////////////////////////////////////////|
*     +-------------+-------------+-------------+-------------+
* 1C8 |/////////////|    FFF      |    FFE      |    FFD      |
*     +-------------+------+------+------+------+------+------+
* 1D0 |   SIGNAL    |:BUSY |KXFLAG|:FLG0 |:SAVE |:FLAG |:FLAG |
*     +-------------+------+------+------+------+------+------+
* 1D8 |         FVSERAS0          |         FVSERAS1          |
*     +---------------------------+---------------------------+
* 1E0 |         FVSERAS2          |         FVSERAS3          |
*     +---------------------------+---------------------------+
* 1E8 |         FVSERAS4          |         FVSERAS5          |
*     +---------------------------+---------------------------+
* 1F0 |///////////////////////////|         FVSERAS6          |
*     +---------------------------+---------------------------+
* 1F8 |                       FVSFSTN                         |
*     +-------------------------------------------------------+
* 200 |                       FVSFSTT                         |
*     +---------------------------+-------------+-------------+
* 208 |         FVSFSTDT          |  FVSFSTWP   |  FVSFSTRP   |
*     +-------------+-------------+-------------+------+------+
* 210 |  FVSFSTM    |  FVSFSTIC   |  FVSFSTCL   |:FSTFV|:FSTFB|
*     +-------------+-------------+-------------+------+------+
* 218 |         FVSFSTIL          |  FVSFSTDB   |  FVSFSTYR   |
*     +---------------------------+-------------+-------------+
* 220 |         FVSFSTAD          |         FVSFSTAC          |
*     +---------------------------+---------------------------+
* 228 |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
* 230 |                         FVSN                          |
*     +-------------------------------------------------------+
* 238 |                         FVST                          |
*     +---------------------------+-------------+-------------+
* 240 |           FVSD            |   FVSWP     |   FVSRP     |
*     +-------------+-------------+-------------+------+------+
* 248 |    FVSM     |   FVSIC     |   FVSFCL    |FVSFV |FVSFB |
*     +-------------+-------------+-------------+------+------+
* 250 |          FVSIL            |   FVSDBC    |   FVSYR     |
*     +---------------------------+-------------+-------------+
* 258 |          FVSFOP           |         FVSADBC           |
*     +---------------------------+------+------+-------------+
* 260 |          FVSAIC           |:NLVL |:PTRSZ|   (266)-    |
*     +---------------------------+------+------+-------------+
* 268 |        -FVSADATI          |         FVSEDFEN          |
*     +---------------------------+---------------------------+
* 270
*
*** FVSECT - Fixed Variable Storage Work Area
          
*** Overlay for FVSEDFEN in FVSECT
*
*                                 +------+------+-------------+
* 268 ...                     26C |:REALM|:FLAG2|/////////////|
*                                 +------+------+-------------+
* 270
*
*** Overlay for FVSEDFEN in FVSECT
          
*** Overlay for FVSEDFEN in FVSECT
*
*                                 +---------------------------+
*     ...                     26C |         FVSOID-           |
*     +---------------------------+---------------------------+
* 270 |          -(26C)           |        FVSBFOID-          |
*     +---------------------------+------+------+------+------+
* 278 |          -(274)           |FVSFB1|FVSFB2|FVSFB3|//////|
*     +---------------------------+------+------+------+------+
* 280 |         FVSDSFOP          |      FVSDOLR       |//////|
*     +---------------------------+--------------------+------+
* 288 |                                                       |
*     =                       FVSDIOPL                        =
*     |                                                       |
*     +-------------------------------------------------------+
* 300 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
* 340 |///////////////////////////////////////////////////////|
*     +---------------------------+---------------------------+
* 348 |         FVSFNSST          |///////////////////////////|
*     +---------------------------+///////////////////////////|
* 350 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
* 398 |                                                       |
*     =                       FVSACFR                         =
*     |                           +-------------+------+------+
* 3D0 |                           |/////////////|:FLG1 |:ACFE |
*     +---------------------------+-------------+------+------+
* 3D8 |                                                       |
*     =                       FVSACGR                         =
*     |                           +--------------------+------+
* 410 |                           |////////////////////|:ACGE |
*     +---------------------------+--------------------+------+
* 418 |                                                       |
*     =                        FVSLAD                         =
*     |                                                       |
*     +---------------------------+---------------------------+
* 458 |///////////////////////////|///////////////////////////|
*     +--------------------+------+---------------------------+
* 460 |////////////////////|//////|         FVSNUAFT          |
*     +--------------------+------+---------------------------+
* 468 |         FVSRDAFT          |         FVSWRAFT          |
*     +---------------------------+---------------------------+
* 470 |         FVSCFST           |         FVSCHBA           |
*     +---------------------------+---------------------------+
* 478 |                                                       |
*     =                       FVSLADU                         =
*     |                                                       |
*     +-------------------------------------------------------+
* 4B8 |                                                       |
*     =                       FVSLFSCP                        =
*     |                                                       |
*     +---------------------------+------+--------------------+
* 510 |         FVSMDBSZ          |:MISCF|////////////////////|
*     +---------------------------+------+--------------------+
* 518 |///////////////////////////////////////////////////////|
*     |///////////////////////////+---------------------------+
*     |///////////////////////////| 524
*     +---------------------------+
*
*** Overlay for FVSEDFEN in FVSECT

 

FVSECT Cross Reference

Symbol         Dspl Value
-------------- ---- -----
ABNBIT         01D5 02
ADTADD         018C
ADTADD2        01A4
DIOBIT         01D5 08
DISK$SEG       0000
DSKADR         0188
DSKADR2        01A0
DSKCHAIN       0194
DSKCHAI2       01AC
DSKLEN         01AC 00000018
DSKLOC         0180
DSKLOC2        0198
DSKLST         0180
DSKLST2        0198
DSKPTRSZ       0190
DSKPTRS2       01A8
ERBIT          01D5 10
ERRCOD0        0113
ERRCOD1        0153
ERSCOPY        015C 80
ERSFLAG        01D7
FFD            01CE
FFE            01CC
FFF            01CA
FINISLST       01B0
FLGSAVE        01D5
FNBIT          01D5 20
FNSCOPY        015C 40
FVSAAFT        0458
FVSACCM0       01D4 01
FVSACFE        03D7
FVSACFR        0398
FVSACGE        0417
FVSACGR        03D8
FVSADATI       0266
FVSADBC        025C
FVSAIC         0260
FVSBFOID       0274
FVSBFOWN       0246 000FVSRP
FVSBUFSZ       00C0
FVSCDFMR       024A 000FVSIC
FVSCDOLR       027E 08
FVSCFST        0470
FVSCHBA        0474
FVSCNTRY       024F 08
FVSD           0240
FVSDAFT        00C4
FVSDBC         0254
FVSDIOPL       0288
FVSDIRN        0238 0000FVST
FVSDOLR        0284
FVSDSFOP       0280
FVSEDFEN       026C
FVSELMNL       0287 00000006
FVSELMNT       0287 00000005
FVSENDST       0287 00000090
FVSEPL         024F 20
FVSERAS0       01D8
FVSERAS1       01DC
FVSERAS2       01E0
FVSERAS3       01E4
FVSERAS4       01E8
FVSERAS5       01EC
FVSERAS6       01F4
FVSFACT        024F 07
FVSFAP         024F 01
FVSFAR         024F 04
FVSFAW         024F 02
FVSFB          024F
FVSFBSFS       024F 10
FVSFB1         027C
FVSFB1EX       027C 20
FVSFB1RD       027C 80
FVSFB1WR       027C 40
FVSFB2         027D
FVSFB2AL       027D 10
FVSFB2BF       027D 20
FVSFB2DC       027D 04
FVSFB2EO       027D 01
FVSFB2ER       027D 80
FVSFB2MG       027D 02
FVSFB2RV       027D 40
FVSFB2SD       027D 08
FVSFB3         027E
FVSFB3IP       027E 80
FVSFB3IV       027E 20
FVSFB3MA       027E 40
FVSFCL         024C
FVSFDATE       0266 FVSADATI
FVSFLAG        01D6
FVSFLAG2       026D
FVSFLG0        01D4
FVSFLG1        03D6
FVSFNSST       0348
FVSFOP         0258
FVSFRO         024F 00
FVSFROX        024F 40
FVSFRW         024F 80
FVSFRWX        024F C0
FVSFSER        00C8
FVSFSSZ        00CC
FVSFSTAC       0224
FVSFSTAD       0220
FVSFSTCL       0214
FVSFSTDB       021C
FVSFSTDT       0208
FVSFSTFB       0217
FVSFSTFV       0216
FVSFSTIC       0212
FVSFSTIL       0218
FVSFSTM        0210
FVSFSTN        01F8
FVSFSTRP       020E
FVSFSTT        0200
FVSFSTWP       020C
FVSFSTYR       021E
FVSFTIME       0266 FVSADATI
FVSFV          024E
FVSFVDIR       024E 000000C4
FVSFVERS       024E 00000060
FVSFVFIX       024E 000000C6
FVSFVVAR       024E 000000E5
FVSIC          024A
FVSIL          0250
FVSITAV        024F 40
FVSL           0256 00000028
FVSLAD         0418
FVSLADU        0478
FVSLFSCP       04B8
FVSL1          021E 00000028
FVSL2          026E 00000040
FVSL3          027F 00000050
FVSL4          0287 00000058
FVSM           0248
FVSMCHAR       0248 00000248
FVSMDBSZ       0510
FVSMISCF       0514
FVSMNUM        0248 00000249
FVSN           0230
FVSNDFST       0287 00000288
FVSNDSTD       0287 00000012
FVSNLVL        0264
FVSNORAS       0514 80
FVSNT          0230
FVSNUAFT       0464
FVSOID         026C
FVSPATCH       0340
FVSPIPEU       026D 10
FVSPTRSZ       0265
FVSPURC        03D6 40
FVSRDAFT       0468
FVSREALM       026C
FVSRECAV       024F 01
FVSRP          0246
FVSSCID        024C 00FVSFCL
FVSSEGC        03D6 80
FVST           0238
FVSTID         0256 000FVSYR
FVSWP          0244
FVSWRAFT       046C
FVSYR          0256
FWADDR         0188 80
FW4            0158
F100           0160
F65535         0154
HW4            0158 00000FW4
ITSBIT         01D5 01
KXFLAG         01D3
KXWANT         01D3 80
KXWSVC         01D3 01
NUCPAFLG       015C
REGSAV0        00D4
REGSAV1        0114
REGSAV3        003C
RWCNT          0184
RWCNT2         019C
RWFSTRG        0078
SIGNAL         01D0
STATEFST       01F8
STATER0        0220 FVSFSTAD
STATER1        0224 FVSFSTAC
STATFST2       0230
STTCOPY        015C 20
SWTCH          01D0 00SIGNAL
TRKLSAVE       0113 000000D4
UFDBUSY        01D2
UPBIT          01D5 40
WRBIT          01D5 80

This information is based on z/VM V6R1.0.
Last updated on 23 Oct 2009 at 11:01:28 EDT.
Copyright IBM Corporation, 1990, 2008