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.. .... 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 6.4.0 Last updated on 24 Aug 2016 at 09:43:10 EDT.
Copyright IBM Corporation, 1990, 2016