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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. |
IUCVPTBK
Cross Reference (Contains links to field and bit definitions)
IUCVPTBK Prolog
Name : IUCVPTBK Description: Path descriptive information DSECT : IUCVPTBK Function : Describe information relating to a specific path.
IUCVPTBK Control Block Content
IUCVPTBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure IUCVPTBK Path descriptive information 0000 0 Address 4 IUCVPTEX ADDRESS OF THE PROGRAM EXIT 0004 4 Signed 4 IUCVPTUW USER FULLWORD 0008 8 Character 8 IUCVPTID ID OF PROGRAM WHO OWN'S THIS PATH 0010 16 Address 4 IUCVPTFW Next active conversation 0014 20 Address 4 IUCVPTBW Previous active conversation 0018 24 Signed 4 IUCVPTWU Workunit ID for conversation 001C 28 Bitstring 1 IUCVPTF1 Flags 1... .... IUCVPTCN X'80' ON = control name owns it OFF = non-control name owns .1.. .... IUCVPTPS X'40' ON = Persistent conversation OFF = non-persistent conv .... 1... IUCVPTCP X'08' ON = CPI-CI conversation .... .1.. IUCVPTIU X'04' ON = IUCV path OFF= APPC/VM path 001D 29 Bitstring 1 IUCVPTF2 Flags 1... .... IUCVPTDP X'80' ON = Drive PCA .1.. .... IUCVPTSA X'40' ON = Path successfully acpt'd ..1. .... IUCVPTRG X'20' Registered conversation ...1 .... IUCVPTIO X'10' Inbound/Outbound indicator ON = Inbound Conversation OFF = Outbound Conversation .... 1... IUCVPTPA X'08' ON = Path Active OFF = Path not active .... .1.. IUCVPTSP X'04' ON = SyncPt (protected) conv .... ..1. IUCVPTAP X'02' Conversation Accepted by PCA .... ...1 IUCVPTSV X'01' Path Severed 001E 30 Bitstring 1 IUCVPTF3 Flags 1... .... IUCVPTRP X'80' ON = Backout issued with Resync in Progress by PCA .1.. .... IUCVPTIN X'40' ON = PCA is initiator 001F 31 Character 1 * Reserved for future use 0020 32 Dbl-Word 8 IUCVPTRT Registry Token from SPM 0028 40 Address 4 IUCVPTDB Pointer to DEP Block 002C 44 Address 4 IUCVPTLU Pointer to LUWID block 0030 48 Signed 4 IUCVPTDL DEP block usable error Length 0034 52 Signed 4 IUCVPTRI Request ID from SPM 0038 56 Dbl-Word 8 * Reserved for future use 00000008 IUCVPTSZ (*-IUCVPTBK+7)/8 SIZE OF AREA IN DOUBLEWORDS 00000040 IUCVPTSB IUCVPTSZ*8 Size of area in bytes 0000001B IUCVPTLL 27 LUWID block Length
IUCVPTBK Storage Layout
*** IUCVPTBK - Path descriptive information * * +---------------------------+---------------------------+ * 0 | IUCVPTEX | IUCVPTUW | * +---------------------------+---------------------------+ * 8 | IUCVPTID | * +---------------------------+---------------------------+ * 10 | IUCVPTFW | IUCVPTBW | * +---------------------------+------+------+------+------+ * 18 | IUCVPTWU |:VPTF1|:VPTF2|:VPTF3|//////| * +---------------------------+------+------+------+------+ * 20 | IUCVPTRT | * +---------------------------+---------------------------+ * 28 | IUCVPTDB | IUCVPTLU | * +---------------------------+---------------------------+ * 30 | IUCVPTDL | IUCVPTRI | * +---------------------------+---------------------------+ * 38 |///////////////////////////////////////////////////////| * +-------------------------------------------------------+ * 40 * *** IUCVPTBK - Path descriptive information
IUCVPTBK Cross Reference
(contains links to field and bit definitions)Symbol Dspl Value -------------- ---- -----IUCVPTAP 001D 02
IUCVPTBW 0014
IUCVPTCN 001C 80
IUCVPTCP 001C 08
IUCVPTDB 0028
IUCVPTDL 0030
IUCVPTDP 001D 80
IUCVPTEX 0000
IUCVPTFW 0010
IUCVPTF1 001C
IUCVPTF2 001D
IUCVPTF3 001E
IUCVPTID 0008
IUCVPTIN 001E 40
IUCVPTIO 001D 10
IUCVPTIU 001C 04
IUCVPTLL 0038 0000001B
IUCVPTLU 002C
IUCVPTPA 001D 08
IUCVPTPS 001C 40
IUCVPTRG 001D 20
IUCVPTRI 0034
IUCVPTRP 001E 80
IUCVPTRT 0020
IUCVPTSA 001D 40
IUCVPTSB 0038 00000040
IUCVPTSP 001D 04
IUCVPTSV 001D 01
IUCVPTSZ 0038 00000008
IUCVPTUW 0004
IUCVPTWU 0018
Last updated on 12 Aug 1999 at 15:21:32 EDT.
Copyright IBM Corporation, 1990, 1999