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 Signed       4 *              Reserved for future IBM use
004C   76 Signed       4 *              Reserved for future IBM use
0050   80 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)
0051   81 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
0052   82 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
0053   83 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
0054   84 Bitstring    1 SDDNCPVL       Save CALBK Number of CP Volumes
0055   85 Bitstring    1 SDDCPVOL (8)   Save CALBK List of CP Volumes
005D   93 Bitstring    1 SDDCALCD       Save CALBK Special Req Code Value
005E   94 Bitstring    1 SDDCALFG       Save CALBK Processing Flags
005F   95 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).
0060   96 Signed       4 * (0)          Ensure fullword boundary
0060   96 Bitstring    5 SDDASA (257)   Workarea for calculating pages
                                        per CP Volume Response
          00000505       SDDASAL        257*5 Length of SDDASA field
0568 1384 Signed       4 *              Reserved for future IBM use
056C 1388 Signed       4 *              Reserved for future IBM use
          000000AE       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 |///////////////////////////|///////////////////////////|
*     +------+------+------+------+------+--------------------+
*  50 |:FLAG1|:FLG2 |:FLG3 |:FLAG4|:NCPVL|      (055)-        |
*     +------+------+------+------+------+------+------+------+
*  58 |            -SDDCPVOL             |:CALCD|:CALFG|:FLG5 |
*     +----------------------------------+------+------+------+
*  60 |                                                       |
*     =                        SDDASA                         =
*     |                                  +--------------------+
* 560 |                                  |////////////////////|
*     +---------------------------+------+--------------------+
* 568 |///////////////////////////|///////////////////////////|
*     +---------------------------+---------------------------+
* 570
*
*** SDDBK - SET DUMP DATA

 

SDDBK Cross Reference

Symbol         Dspl Value
-------------- ---- -----
CP             0051 20
DASD           0050 80
DASDRDEV       0050 10
DUMPNONE       0050 08
GTRTHAN1       005F 80
IPL            0051 80
NOIPL          0051 40
NOPRT          0051 04
PRTDMQFE       0052 10
PRTDMQRS       0052 20
PRTRSP         0052 80
PRTRSPO        0052 40
PRTRSP2        0053 80
SDDASA         0060
SDDASAL        0060 00000505
SDDCALCD       005D
SDDCALFG       005E
SDDCPVOL       0055
SDDFLAG1       0050
SDDFLAG4       0053
SDDFLG2        0051
SDDFLG3        0052
SDDFLG5        005F
SDDHI          0004
SDDLacqd       0053 10
SDDLO          0008
SDDNCPVL       0054
SDDRDSAV       0014
SDDRNUM        0010
SDDRSA         000C
SDDSAV         0018
SDDSIZE        056C 000000AE
SDD8RDEV       0028
SDEF           0050 04
TAPE           0050 40
XF             0051 02

This information is based on z/VM V6R1.0. Last updated on 18 Feb 2010 at 09:03:30 EDT.
Copyright IBM Corporation, 1990, 2008