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Programming Interface Information:
This information is NOT
intended to be
used as Programming Interfaces of VM/ESA. It is to be used for diagnosis only. |
DTCBK
Cross Reference (Contains links to field and bit definitions)
DTCBK Prolog
Name : HCPDTCBK Description: Detach Command Control Block DSECT : DTCBK Function : Contains parameters used by the Detach command Created by : HCPDTCMD Deleted by : HCPDTCMD, HCPDTRDV, HCPDTLDV, HCPDTVDV
DTCBK Control Block Content
DTCBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure DTCBK Detach Command Control Block 0000 0 Address 4 DTCNEXT Address of the next DTCBK 0004 4 Bitstring 4 DTCDEVS (0) Device range 0004 4 Signed 2 DTCDEV1 Beginning device number 0006 6 Signed 2 DTCDEV2 Ending device number 0008 8 Bitstring 1 DTCRFLAG Flags for detach processing 1... .... DTCRLOGD X'80' Logical device request .1.. .... DTCLEAVE X'40' LEAVE option was specified ..1. .... DTCUNLOD X'20' UNLOAD option was specified ...1 .... DTCCANCL X'10' Cancel any more detach requests 00000002 DTCSIZE (*-DTCBK+7)/8 Size in doublewords
DTCBK Storage Layout
*** DTCBK - Detach Command Control Block * * +---------------------------+-------------+-------------+ * 0 | DTCNEXT | DTCDEV1 | DTCDEV2 | * +------+--------------------+-------------+-------------+ * 8 |:RFLAG| 9 * +------+ * *** DTCBK - Detach Command Control Block
DTCBK Cross Reference
(contains links to field and bit definitions)Symbol Dspl Value -------------- ---- -----DTCCANCL 0008 10
DTCDEVS 0004
DTCDEV1 0004
DTCDEV2 0006
DTCLEAVE 0008 40
DTCNEXT 0000
DTCRFLAG 0008
DTCRLOGD 0008 80
DTCSIZE 0008 00000002
DTCUNLOD 0008 20
Last updated on 3 Aug 1999 at 11:53:17 EDT.
Copyright IBM Corporation, 1990, 1999