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
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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         RSADmpCP 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 ....      DASDRDEV       X'10' DASDRDEV SET DUMP xxx yyy
                                        ... where xxx, yyy 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      POSSRDEV       X'01' POSSRDEV A possible rdev
                                        was parsed
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    1 *              Reserved
             SDDSNPFG bits also define bits in field HCPDMPSN
00D6  214 Bitstring    1 SDDSNPFG       What caused the SNAPDUMP Flags
          1... ....      SNPCMD         X'80' SNPCMD SNAPDUMP command is
                                        occurring
          .1.. ....      SNPMAC         X'40' SNPMAC HCPABEND SNAPDUMP is
                                        occurring
          ..1. ....      SNPSOFT        X'20' SNPSOFT HCPABEND SOFT set
                                        to SNAP is occurring
00D7  215 Bitstring    1 SDDFLG5        Keep (sort of) count of options
          1... ....      GTRTHAN1       X'80' GTRTHAN1 There were at
                                        least 2 options SDDFLGF1 bits
                                        also define bits in field
                                        HCPDMPF1
00D8  216 Bitstring    1 SDDFLGF1       SNAPDUMP command PGMBKs Flags
          1... ....      SNPPGALL       X'80' SNPPGALL Specified PGMBKS
                                        ALL
          .1.. ....      SNPPGNON       X'40' SNPPGNON Specified PGMBKS
                                        NONE
          ...1 ....      SNPPGFAI       X'10' SNPPGFAI Specified PGMBKS
                                        FAILUSER SDDFLGF2 bits also
                                        define bits in field HCPDMPF2
00D9  217 Bitstring    1 SDDFLGF2       SNAPDUMP command FRMTBL Flags
          1... ....      SNPFTYES       X'80' SNPFTYES Specified FRMTBL
                                        YES
          .1.. ....      SNPFTNO        X'40' SNPFTNO Specified FRMTBL NO
                                        SDDFLGS1 bits also define bits in
                                        field HCPDMPS1
00DA  218 Bitstring    1 SDDFLGS1       SET DUMP command PGMBKs Flags
          1... ....      SETPGALL       X'80' SETPGALL Specified PGMBKS
                                        ALL
          .1.. ....      SETPGNON       X'40' SETPGNON Specified PGMBKS
                                        NONE
          ..1. ....      SETPGDEF       X'20' SETPGDEF Specified PGMBKS
                                        DEFAULT
          ...1 ....      SETPGFAI       X'10' SETPGFAI Specified PGMBKS
                                        FAILUSER SDDFLGS2 bits also
                                        define bits in field HCPDMPS2
00DB  219 Bitstring    1 SDDFLGS2       SET DUMP command FRMTBL Flags
          1... ....      SETFTYES       X'80' SETFTYES Specified FRMTBL
                                        YES
          .1.. ....      SETFTNO        X'40' SETFTNO Specified FRMTBL NO
          ..1. ....      SETFTDEF       X'20' SETFTDEF Specified FRMTBL
                                        DEFAULT 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).
00DC  220 Signed       4 * (0)          Ensure fullword boundary
00DC  220 Bitstring    5 SDDASA (257)   Workarea for calculating pages
                                        per CP Volume Response
          00000505       SDDASAL        257*5 Length of SDDASA field
05E4 1508 Signed       4 *              Reserved for future IBM use
05E8 1512 Signed       4 *              Reserved for future IBM use
          000000BE       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 |                                  |//////|:SNPFG|:FLG5 |
*     +------+------+------+------+------+------+------+------+
*  D8 |:FLGF1|:FLGF2|:FLGS1|:FLGS2|                           |
*     +------+------+------+------+                           |
*  E0 |                                                       |
*     =                        SDDASA                         =
*     |      +--------------------+---------------------------+
* 5E0 |      |////////////////////|///////////////////////////|
*     +------+--------------------+---------------------------+
* 5E8 |///////////////////////////| 5EC
*     +---------------------------+
*
*** 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
POSSRDEV       00B1 01
PRTDMQFE       00B2 10
PRTDMQRS       00B2 20
PRTRSP         00B2 80
PRTRSPO        00B2 40
PRTRSP2        00B3 80
SDDASA         00DC
SDDASAL        00DC 00000505
SDDCPVOL       00B5
SDDFLAG1       00B0
SDDFLAG4       00B3
SDDFLGF1       00D8
SDDFLGF2       00D9
SDDFLGS1       00DA
SDDFLGS2       00DB
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        05E8 000000BE
SDDSNPFG       00D6
SDEF           00B0 04
SETFTDEF       00DB 20
SETFTNO        00DB 40
SETFTYES       00DB 80
SETPGALL       00DA 80
SETPGDEF       00DA 20
SETPGFAI       00DA 10
SETPGNON       00DA 40
SNPCMD         00D6 80
SNPFTNO        00D9 40
SNPFTYES       00D9 80
SNPMAC         00D6 40
SNPPGALL       00D8 80
SNPPGFAI       00D8 10
SNPPGNON       00D8 40
SNPSOFT        00D6 20
 
This information is based on z/VM 7.4.0 Last updated on 24 Jun 2024 at 11:33:45 EDT.
Copyright IBM Corporation, 1990, 2024