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

SDDBK

Prolog  

Control Block Contents  
   SDDBK DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  


 

SDDBK Control Block Content


SDDBK DSECT

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 Signed       4 SDD8RDEV (8)   Workarea for storing up to 8
                                        RDEVs
0048   72 Bitstring    5 SDDASA (51)    WORKAREA FOR CALCULATING PAGES
                                        PER CCPV FOR RESPONSE
          000000FF       SDDASAL        51*5 Length of SDDASA field
0147  327 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)
0148  328 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
0149  329 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
014A  330 Bitstring    1 SDDFLAG4       SET DUMP response 701909 flag
          1... ....      PRTRSP2        X'80' PRTRSP2 Response 701909 has
                                        been displayed
014B  331 Bitstring    1 *              Unused for now
014C  332 Bitstring    1 SDDNCPVL       Save CALBK Number of CP Volumes
014D  333 Bitstring    1 SDDCPVOL (8)   Save CALBK List of CP Volumes
0155  341 Bitstring    1 SDDCALCD       Save CALBK Special Req Code Value
0156  342 Bitstring    1 SDDCALFG       Save CALBK Processing Flags
0157  343 Bitstring    1 SDDFLG5        Keep (sort of) count of options
          1... ....      GTRTHAN1       X'80' GTRTHAN1 There were at
                                        least 2 options
          0000002B       SDDSIZE        (*-SDDBK+7)/8 SDDBK dsect size in
                                        doublewords

 

SDDBK Storage Layout

          
*** SDDBK - SET DUMP DATA
*
*     +---------------------------+---------------------------+
*   0 |///////////////////////////|          SDDHI            |
*     +---------------------------+---------------------------+
*   8 |          SDDLO            |          SDDRSA           |
*     +---------------------------+---------------------------+
*  10 |         SDDRNUM           |         SDDRDSAV          |
*     +---------------------------+---------------------------+
*  18 |                        SDDSAV                         |
*     |                                                       |
*     +-------------------------------------------------------+
*  28 |                                                       |
*     =                       SDD8RDEV                        =
*     |                                                       |
*     +-------------------------------------------------------+
*  48 |                                                       |
*     =                        SDDASA                         =
*     |                                                +------+
* 140 |                                                |:FLAG1|
*     +------+------+------+------+------+-------------+------+
* 148 |:FLG2 |:FLG3 |:FLAG4|//////|:NCPVL|      (14D)-        |
*     +------+------+------+------+------+------+------+------+
* 150 |            -SDDCPVOL             |:CALCD|:CALFG|:FLG5 |
*     +----------------------------------+------+------+------+
* 158
*
*** SDDBK - SET DUMP DATA

 

SDDBK Cross Reference

Symbol         Dspl Value
-------------- ---- -----
CP             0148 20
DASD           0147 80
DASDRDEV       0147 10
DUMPNONE       0147 08
GTRTHAN1       0157 80
IPL            0148 80
NOIPL          0148 40
NOPRT          0148 04
PRTDMQFE       0149 10
PRTDMQRS       0149 20
PRTRSP         0149 80
PRTRSPO        0149 40
PRTRSP2        014A 80
SDDASA         0048
SDDASAL        0048 000000FF
SDDCALCD       0155
SDDCALFG       0156
SDDCPVOL       014D
SDDFLAG1       0147
SDDFLAG4       014A
SDDFLG2        0148
SDDFLG3        0149
SDDFLG5        0157
SDDHI          0004
SDDLO          0008
SDDNCPVL       014C
SDDRDSAV       0014
SDDRNUM        0010
SDDRSA         000C
SDDSAV         0018
SDDSIZE        0157 0000002B
SDD8RDEV       0028
SDEF           0147 04
TAPE           0147 40
XF             0148 02

This information is based on z/VM V5R3.0. Last updated on 25 Jun 2007 at 17:22:50 EDT.
Copyright IBM Corporation, 1990, 2007