Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. |
SDDBK
Control Block Contents
SDDBK DSECT
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
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