SDDBK Back to Index page
 
Prolog 
Control Block Contents 
   SDDBK 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.

 
  SDDBK Control Block Content Top of page
  




 SDDBK DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      SDDBK          SET DUMP DATA
0000    0 Signed       4 *              Reserved for future IBM use
0004    4 Signed       4 SDDHI          Calculated DSIDPAHI value
0008    8 Signed       4 SDDLO          Calculated DSIDPALO value
000C   12 Signed       4 SDDRSA         RSADPACP value that CALCPAGS used
0010   16 Signed       4 SDDRNUM        NO. OF RDEVS SPECIFIED
0014   20 Signed       4 SDDRDSAV       SAVE AREA FOR RDEV
0018   24 Signed       4 SDDSAV (4)     Save area for local routine calls
0028   40 Address      4 SDDRDEVS (32)  Workarea for storing RDEV addrs
00A8  168 Signed       4 *              Reserved for future IBM use
00AC  172 Signed       4 *              Reserved for future IBM use
00B0  176 Bitstring    1 SDDFLAG1       DUMP DEVICE FLAG
          1... ....      DASD           X'80' DASD RDEV = DASD Flag: SET
                                        DUMP DASD
          .1.. ....      TAPE           X'40' TAPE RDEV = TAPE Flag: SET
                                        DUMP xxx where xxx is a Tape
                                        device
          ...1 ....      DASDRDEV       X'10' DASDRDEV SET DUMP xxx yyy
                                        ... where xxx, yyy and up to 6
                                        more are DASD devices.
          .... .1..      SDEF           X'04' SDEF SET DUMP never issued
                                        - we are running with the system
                                        default
          .... 1...      DUMPNONE       X'08' DUMPNONE RDEV = None (SET
                                        DUMP OFF)
00B1  177 Bitstring    1 SDDFLG2        DUMP OPTIONS FLAG
          1... ....      IPL            X'80' IPL IPL OPTION FOR DUMP
                                        COMMAND
          .1.. ....      NOIPL          X'40' NOIPL NOIPL OPTION FOR DUMP
                                        COMMAND
          ..1. ....      CP             X'20' CP CP OPTION FOR DUMP
                                        COMMAND
          .... .1..      NOPRT          X'04' NOPRT NOPRINT option
                                        specified
          .... ..1.      XF             X'02' XF XF Option for DUMP
                                        Command
00B2  178 Bitstring    1 SDDFLG3        Display 9259 message flag
          1... ....      PRTRSP         X'80' PRTRSP Send message to
                                        ISSUER flag
          .1.. ....      PRTRSPO        X'40' PRTRSPO Send message to
                                        OPERATOR flag
          ..1. ....      PRTDMQRS       X'20' PRTDMQRS HCPDMQRS
                                        processing (snapdump)
          ...1 ....      PRTDMQFE       X'10' PRTDMQFE HCPDMPFE
                                        Reallocation processing
00B3  179 Bitstring    1 SDDFLAG4       SET DUMP response 701909 flag
          1... ....      PRTRSP2        X'80' PRTRSP2 Response 701909 has
                                        been displayed
          ...1 ....      SDDLacqd       X'10' SDDLacqd Caller acquired
                                        DSILOCK
00B4  180 Bitstring    1 SDDNCPVL       Save CALBK Number of CP Volumes
00B5  181 Bitstring   32 SDDCPVOL       Save CALBK List of CP Volumes
00D5  213 Bitstring    2 *              Reserved
00D7  215 Bitstring    1 SDDFLG5        Keep (sort of) count of options
          1... ....      GTRTHAN1       X'80' GTRTHAN1 There were at
                                        least 2 options SDDASA is big
                                        enough to handle the maximum
                                        number of CPVOLs plus one extra
                                        entry that is used to delimit the
                                        end of the used entries (256+1).
00D8  216 Signed       4 * (0)          Ensure fullword boundary
00D8  216 Bitstring    5 SDDASA (257)   Workarea for calculating pages
                                        per CP Volume Response
          00000505       SDDASAL        257*5 Length of SDDASA field
05E0 1504 Signed       4 *              Reserved for future IBM use
05E4 1508 Signed       4 *              Reserved for future IBM use
          000000BD       SDDSIZE        (*-SDDBK+7)/8 SDDBK dsect size in
                                        doublewords
 
 
  SDDBK Storage Layout Top of page
  
          
*** SDDBK - SET DUMP DATA
*
*     +---------------------------+---------------------------+
*   0 |///////////////////////////|          SDDHI            |
*     +---------------------------+---------------------------+
*   8 |          SDDLO            |          SDDRSA           |
*     +---------------------------+---------------------------+
*  10 |         SDDRNUM           |         SDDRDSAV          |
*     +---------------------------+---------------------------+
*  18 |                        SDDSAV                         |
*     |                                                       |
*     +-------------------------------------------------------+
*  28 |                                                       |
*     =                       SDDRDEVS                        =
*     |                                                       |
*     +---------------------------+---------------------------+
*  A8 |///////////////////////////|///////////////////////////|
*     +------+------+------+------+------+--------------------+
*  B0 |:FLAG1|:FLG2 |:FLG3 |:FLAG4|:NCPVL|                    |
*     +------+------+------+------+------+                    |
*  B8 |                                                       |
*     =                       SDDCPVOL                        =
*     |                                  +-------------+------+
*  D0 |                                  |/////////////|:FLG5 |
*     +----------------------------------+-------------+------+
*  D8 |                                                       |
*     =                        SDDASA                         =
*     |                                  +--------------------+
* 5D8 |                                  |////////////////////|
*     +---------------------------+------+--------------------+
* 5E0 |///////////////////////////|///////////////////////////|
*     +---------------------------+---------------------------+
* 5E8
*
*** SDDBK - SET DUMP DATA
 
 
  SDDBK Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
CP             00B1 20
DASD           00B0 80
DASDRDEV       00B0 10
DUMPNONE       00B0 08
GTRTHAN1       00D7 80
IPL            00B1 80
NOIPL          00B1 40
NOPRT          00B1 04
PRTDMQFE       00B2 10
PRTDMQRS       00B2 20
PRTRSP         00B2 80
PRTRSPO        00B2 40
PRTRSP2        00B3 80
SDDASA         00D8
SDDASAL        00D8 00000505
SDDCPVOL       00B5
SDDFLAG1       00B0
SDDFLAG4       00B3
SDDFLG2        00B1
SDDFLG3        00B2
SDDFLG5        00D7
SDDHI          0004
SDDLacqd       00B3 10
SDDLO          0008
SDDNCPVL       00B4
SDDRDEVS       0028
SDDRDSAV       0014
SDDRNUM        0010
SDDRSA         000C
SDDSAV         0018
SDDSIZE        05E4 000000BD
SDEF           00B0 04
TAPE           00B0 40
XF             00B1 02
 
This information is based on z/VM 6.3.0 Last updated on 22 May 2013 at 13:55:36 EDT.
Copyright IBM Corporation, 1990, 2013