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         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 7.2.0 Last updated on 24 Jun 2020 at 09:30:19 EDT.
Copyright IBM Corporation, 1990, 2020