DSTBK Back to Index page
 
Prolog 
Control Block Contents 
   DSTBK DSECT
Storage Layout 
Cross Reference (Contains links to field and bit definitions)
Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM.

 
  DSTBK Control Block Content Top of page
  




 DSTBK DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      DSTBK          Parameter / work area for DEFINE STORAGE
0000    0 Dbl-Word     8 DSTPLIST (0)   Start of parameter list used by
                                        parser
0000    0 Signed       4 DSTWORD1 (0)   First word of parser parms
      The sum of the bits in this byte is used as an index
      into a BranchRelative branch table.  To minimize code,
      don't add any bit definitions to this byte, and keep
      these bits a multiple of 4.
0000    0 Bitstring    1 DSTFLAG1       Flag byte 1
          ..1. ....      DSTSIZ         X'20' DSTSIZ AS size was
                                        specified
          ...1 ....      DSTSTDBY       X'10' DSTSTDBY STANDBY was
                                        specified
          .... 1...      DSTRESVD       X'08' DSTRESVD RESERVED was
                                        specified
          .... .1..      DSTINCR        X'04' DSTINCR INCrement was
                                        specified
0001    1 Bitstring    1 DSTFLAG2       Flag byte 2
          ...1 ....      DSTCONFG       X'10' DSTCONFG CONFIGuration was
                                        specified
          .... 1...      DSTREMST       X'08' DSTREMST STANDBY REMainder
                                        specified
          .... .1..      DSTMAX         X'04' DSTMAX MAXimum was
                                        specified
          .... ..1.      DSTINI         X'02' DSTINI INItial was
                                        specified
0002    2 Bitstring    1 * (2)          Reserved for IBM use
0004    4 Bitstring    1 * (4)          Reserved for IBM use
             Increment details, calculated by HCPASMGI
0008    8 Signed       8 DSTincNm       Max number increments
0010   16 Signed       8 DSTincSz       Increment size, 1M units
      AS as MAX or INI, STANDBY as REM, are calculated from
      directory, and possibly other values, and stored in DSTBK
      fields as if their values were actually entered on the
      DEF STOR command in the form xxxxK.
      For example, DEF STOR MAX for a directory maximum of 1T
      would be stored in DSTBK fields as if the command were
      DEF STOR 1073741824K.
      AS size values
0018   24 Address      8 DSTCszvK       Current Size:K
0020   32 Address      8 DSTBszvK       Size:K after scale
0028   40 Signed       8 DSTBszv        Decimal storage size from the
                                        command before scale value is
                                        applied
0030   48 Bitstring    1 DSTBszsh       Scale shift value for size
0031   49 Bitstring    1 * (3)          Reserved for IBM use
      STANDBY size
0038   56 Address      8 DSTCstvK       Current STANDBY:K
0040   64 Address      8 DSTBstvK       STANDBY:K after scale
0048   72 Signed       8 DSTBstv        Decimal STANDBY size from the
                                        command before scale value is
                                        applied
0050   80 Bitstring    1 DSTBstsh       Scale shift value for size
0051   81 Bitstring    1 * (3)          Reserved for IBM use
      RESERVED size
0058   88 Address      8 DSTCrsvK       Current RESERVED:K
0060   96 Address      8 DSTBrsvK       RESERVED:K after scale
0068  104 Signed       8 DSTBrsv        Decimal RESERVED size from the
                                        command before scale value is
                                        applied
0070  112 Bitstring    1 DSTBrssh       Scale shift value for size
0071  113 Bitstring    1 * (3)          Reserved for IBM use
      INCrement size
0078  120 Address      8 DSTCinvK       Current INCrement:K
0080  128 Address      8 DSTBinvK       INCrement:K after scale
0088  136 Signed       8 DSTBinv        Decimal INCrement size from the
                                        command before scale value is
                                        applied
0090  144 Bitstring    1 DSTBinsh       Scale shift value for size
0091  145 Bitstring    1 * (3)          Reserved for IBM use
      Configuration specifications (8 of them) each mapped via
      ZSBBK DSECT from HCPZSBBK COPY.  Semantics of these
      specifications is located in the post-processing portion
      of the Define Storage Config command processor in HCPDST.
0094  148 Signed       2 DSTCFGCT       Number of config specs
0096  150 Signed       2 *              Reserved for IBM use
0098  152 Character  960 DSTSPECA       Array of 8 parsed conf specs
0098  152 Character  120 DSTCSPEC       1st element of the array
          00000110       DSTNEXT        * Next element accessor
0110  272 Character    1 *              2nd array element
0188  392 Character    1 *              3rd array element
0200  512 Character    1 *              4th array element
0278  632 Character    1 *              5th array element
02F0  752 Character    1 *              6th array element
0368  872 Character    1 *              7th array element
03E0  992 Character    1 *              8th array element
          00000458       DSTPLEN        *-DSTBK End of parm list for
                                        parser
0458 1112 Character  100 DSTSNDBX       Scratch pad, sand box Subdata for
                                        message 0093-xx Subdata for
                                        message 0094-xx
04BC 1212 Character   24 DSTCVV6S       Scratch for HCPCVV6S, et all
          0000009B       DSTSIZE        (*-DSTBK+7)/8 Size, in dwords, of
                                        DSTBK
 
 
  DSTBK Storage Layout Top of page
  
          
*** DSTBK - Parameter / work area for DEFINE STORAGE
*
*     +------+------+-------------+---------------------------+
*   0 |:FLAG1|:FLAG2|/////////////|///////////////////////////|
*     +------+------+-------------+---------------------------+
*   8 |                       DSTINCNM                        |
*     +-------------------------------------------------------+
*  10 |                       DSTINCSZ                        |
*     +-------------------------------------------------------+
*  18 |                       DSTCSZVK                        |
*     +-------------------------------------------------------+
*  20 |                       DSTBSZVK                        |
*     +-------------------------------------------------------+
*  28 |                       DSTBSZV                         |
*     +------+--------------------+---------------------------+
*  30 |:BSZSH|////////////////////|///////////////////////////|
*     +------+--------------------+---------------------------+
*  38 |                       DSTCSTVK                        |
*     +-------------------------------------------------------+
*  40 |                       DSTBSTVK                        |
*     +-------------------------------------------------------+
*  48 |                       DSTBSTV                         |
*     +------+--------------------+---------------------------+
*  50 |:BSTSH|////////////////////|///////////////////////////|
*     +------+--------------------+---------------------------+
*  58 |                       DSTCRSVK                        |
*     +-------------------------------------------------------+
*  60 |                       DSTBRSVK                        |
*     +-------------------------------------------------------+
*  68 |                       DSTBRSV                         |
*     +------+--------------------+---------------------------+
*  70 |:BRSSH|////////////////////|///////////////////////////|
*     +------+--------------------+---------------------------+
*  78 |                       DSTCINVK                        |
*     +-------------------------------------------------------+
*  80 |                       DSTBINVK                        |
*     +-------------------------------------------------------+
*  88 |                       DSTBINV                         |
*     +------+--------------------+-------------+-------------+
*  90 |:BINSH|////////////////////|  DSTCFGCT   |/////////////|
*     +------+--------------------+-------------+-------------+
*  98 |                                                       |
*     =                       DSTSPECA                        =
*     |                                                       |
*     +-------------------------------------------------------+
* 458 |                                                       |
*     =                       DSTSNDBX                        =
*     |                           +---------------------------+
*     |                           |                           |
*     +---------------------------+                           |
* 4C0 |                                                       |
*     =                       DSTCVV6S                        =
*     |                           +---------------------------+
*     |                           | 4D4
*     +---------------------------+
*
*** DSTBK - Parameter / work area for DEFINE STORAGE
          
*** Overlay for DSTSPECA in DSTBK
*
*     +-------------------------------------------------------+
*  98 |                                                       |
*     =                       DSTCSPEC                        =
*     |                                                       |
*     +------+------------------------------------------------+
* 110 |//////|////////////////////////////////////////////////|
*     +------+////////////////////////////////////////////////|
* 118 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +------+------------------------------------------------+
* 188 |//////|////////////////////////////////////////////////|
*     +------+////////////////////////////////////////////////|
* 190 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +------+------------------------------------------------+
* 200 |//////|////////////////////////////////////////////////|
*     +------+////////////////////////////////////////////////|
* 208 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +------+------------------------------------------------+
* 278 |//////|////////////////////////////////////////////////|
*     +------+////////////////////////////////////////////////|
* 280 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +------+------------------------------------------------+
* 2F0 |//////|////////////////////////////////////////////////|
*     +------+////////////////////////////////////////////////|
* 2F8 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +------+------------------------------------------------+
* 368 |//////|////////////////////////////////////////////////|
*     +------+////////////////////////////////////////////////|
* 370 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +------+------------------------------------------------+
* 3E0 |//////|////////////////////////////////////////////////|
*     +------+////////////////////////////////////////////////|
* 3E8 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
* 458
*
*** Overlay for DSTSPECA in DSTBK
 
 
  DSTBK Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
DSTincNm       0008
DSTincSz       0010
DSTBinsh       0090
DSTBinv        0088
DSTBinvK       0080
DSTBrssh       0070
DSTBrsv        0068
DSTBrsvK       0060
DSTBstsh       0050
DSTBstv        0048
DSTBstvK       0040
DSTBszsh       0030
DSTBszv        0028
DSTBszvK       0020
DSTCinvK       0078
DSTCrsvK       0058
DSTCstvK       0038
DSTCszvK       0018
DSTCFGCT       0094
DSTCONFG       0001 10
DSTCSPEC       0098
DSTCVV6S       04BC
DSTFLAG1       0000
DSTFLAG2       0001
DSTINCR        0000 04
DSTINI         0001 02
DSTMAX         0001 04
DSTNEXT        0098 00000110
DSTPLEN        03E0 00000458
DSTPLIST       0000
DSTREMST       0001 08
DSTRESVD       0000 08
DSTSIZ         0000 20
DSTSIZE        04BC 0000009B
DSTSNDBX       0458
DSTSPECA       0098
DSTSTDBY       0000 10
DSTWORD1       0000
 
This information is based on z/VM 7.4.0 Last updated on 24 Jun 2024 at 11:30:25 EDT.
Copyright IBM Corporation, 1990, 2024