|
Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM. |
IUSBK
Control Block Contents
IUSBK DSECT
Cross Reference (Contains links to field and bit definitions)
IUSBK Prolog
NAME : HCPIUSBK DESCRIPTION: IUCV WORK AREA MAPPING MACRO DSECT : IUSBK FUNCTION : TO PASS INFORMATION BETWEEN IUCV ENTRY POINTS. LOCATED BY : SEE ENTRY POINT REGISTERS CREATED BY : HCPIUAVM, HCPIUAIU, OR HCPIUACP DELETED BY : CREATOR (SEE ABOVE)
IUSBK Control Block Content
IUSBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments
---- ---- --------- ---- -------------- --------
0000 0 Structure IUSBK IUCV WORK AREA MAPPING MACRO
**** THE VALUE OF IPSIZE FOR DATAMAP IS 5
0000 0 Dbl-Word 8 IUSPARMS (5) PARM LIST - TEMP DATAMAP FIX
0028 40 Address 4 IUSLOCKA IUCV LOCKWORD ADDRESS
002C 44 Address 4 IUSCCT CCTBK ADDRESS
0030 48 Signed 4 IUSTRCID TRACE CODE
0034 52 Bitstring 1 IUSCCODE CP CONDITION CODE
0035 53 Bitstring 1 IUSFCODE TRACE SUBTYPE
0036 54 Bitstring 1 IUSAWTCC APPC/VM WAIT RETURNED COND. CODE
0037 55 Bitstring 1 *
0038 56 Address 4 IUSDCRA DETAILED CONNECT REQUEST BK ADDR
003C 60 Address 4 IUSSAVBK SAVBK ADDRESS IUSTRACE MUST BE ON
A FULLWORD BOUNDRY
0040 64 Bitstring 20 IUSTRACE (0) TRACE TABLE ENTRY
0040 64 Address 4 IUSIUCV IUCVB ADDRESS
0044 68 Bitstring 1 IUSMASK (0) MASK FIELD
0044 68 Bitstring 1 IUSCC (0) CONDITON CODE FROM TESTMSG
0044 68 Signed 2 IUSPATH PATH ID
0046 70 Bitstring 1 IUSRCODE RETURN CODE
0047 71 Bitstring 1 IUSFLAGS IUCV INPUT FLAGS
0048 72 Bitstring 1 IUSSTATE (0) CURRENT APPC STATE
0048 72 Bitstring 1 IUSFNSTA (0) APPC FUNCTION STATUS BITS
00000080 IUSFNENT X'80' ENTERING APPCVM WAIT
00000040 IUSFNEXI X'40' EXITING APPCVM WAIT
0048 72 Signed 2 IUSIBUFL (0) IPOLL DATA BUFFER LENGTH
0048 72 Bitstring 1 IUSCPSYS CP SYSTEM SERVICE
0049 73 Bitstring 1 IUSFLGS2 APPC INPUT FLAGS
004A 74 Signed 2 IUSOBUFL (0) IPOLL OUTPUT DATA LENGTH
004A 74 Bitstring 1 IUSWHTRC APPC WHAT RECEIVED CODE
004B 75 Bitstring 1 IUSSNDOP APPC SEND OPTION CODE
004C 76 Bitstring 1 IUSSNDO2 (0) APPC SEND OPTION CODE 2
004C 76 Address 4 IUSMSGBK (0) MSGBLOK ADDRESS
004C 76 Address 4 IUSBUFF (0) DCLBFR OR IPOLL BUFFER ADDRESS
004C 76 Signed 2 IUSIPSIZ (0) PARMLIST SIZE FROM QUERY
004C 76 Bitstring 1 IUSSIPCD SYNCPOINT IN PROGRESS RESET CODE
004D 77 Bitstring 1 IUSSIPFG SYNCPOINT IN PROGRESS FLAG OUTPUT
004E 78 Signed 2 IUSMXCN (0) MAXIMUM CONNECT FROM QUERY
004E 78 Bitstring 1 IUSSPCMD SYNC POINT CONTROL MODIFIER
004F 79 Bitstring 1 IUSSYCLV SYNC LEVEL FOR THE PATH
0050 80 Address 4 IUSINSTR IUCV INSTRUCTION ADDRESS END OF
TRACE TABLE ENTRY
0054 84 Address 4 IUSPAGE1 VIRTUAL ADDR OF PAGE ONE
0058 88 Address 4 IUSPAGE2 VIRTUAL ADDR OF PAGE TWO
005C 92 Signed 2 IUSLEN1 LENGTH IN IUSPAGE1 - 1
005E 94 Signed 2 IUSLEN2 LENGTH IN IUSPAGE2 - 1
0060 96 Bitstring 1 IUSFLAG2
1... .... IUSCPENT X'80' INDICATES CP ENTRY
.1.. .... IUSWAIT X'40' WAIT FOR APPC COMPLETION
..1. .... IUSSAVE X'20' ADDRESS OF DCRBK FOR SUSP.
CONN.
...1 .... IUSPDINV X'10' CLEAN UP SEVER ALREADY
COMPLETED
.... 1... IUSKEEP X'08' SEVER KEEP=YES SPECIFIED
.... .1.. IUSSNCIP X'04' SYNCPOINT IN PROGRESS
0061 97 Bitstring 3 * RESERVED
0064 100 Signed 4 IUSAVWRK (4) savework area of 4 fullwords
0000000F IUSSIZE (*-IUSBK+7)/8 IUSBK SIZE IN
DOUBLEWORDS
IUSBK Storage Layout
*** IUSBK - IUCV WORK AREA MAPPING MACRO
*
* +-------------------------------------------------------+
* 0 | |
* = IUSPARMS =
* | |
* +---------------------------+---------------------------+
* 28 | IUSLOCKA | IUSCCT |
* +---------------------------+------+------+------+------+
* 30 | IUSTRCID |:CCODE|:FCODE|:AWTCC|//////|
* +---------------------------+------+------+------+------+
* 38 | IUSDCRA | IUSSAVBK |
* +---------------------------+-------------+------+------+
* 40 | IUSIUCV | IUSPATH |:RCODE|:FLAGS|
* +------+------+------+------+------+------+------+------+
* 48 |:CPSYS|:FLGS2|:WHTRC|:SNDOP|:SIPCD|:SIPFG|:SPCMD|:SYCLV|
* +------+------+------+------+------+------+------+------+
* 50 | IUSINSTR | IUSPAGE1 |
* +---------------------------+-------------+-------------+
* 58 | IUSPAGE2 | IUSLEN1 | IUSLEN2 |
* +------+--------------------+-------------+-------------+
* 60 |:FLAG2|////////////////////| |
* +------+--------------------+ |
* | IUSAVWRK |
* | +---------------------------+
* | | 74
* +---------------------------+
*
*** IUSBK - IUCV WORK AREA MAPPING MACRO
IUSBK Cross Reference
Symbol Dspl Value -------------- ---- ----- IUSAVWRK 0064 IUSAWTCC 0036 IUSBUFF 004C IUSCC 0044 IUSCCODE 0034 IUSCCT 002C IUSCPENT 0060 80 IUSCPSYS 0048 IUSDCRA 0038 IUSFCODE 0035 IUSFLAGS 0047 IUSFLAG2 0060 IUSFLGS2 0049 IUSFNENT 0048 00000080 IUSFNEXI 0048 00000040 IUSFNSTA 0048 IUSIBUFL 0048 IUSINSTR 0050 IUSIPSIZ 004C IUSIUCV 0040 IUSKEEP 0060 08 IUSLEN1 005C IUSLEN2 005E IUSLOCKA 0028 IUSMASK 0044 IUSMSGBK 004C IUSMXCN 004E IUSOBUFL 004A IUSPAGE1 0054 IUSPAGE2 0058 IUSPARMS 0000 IUSPATH 0044 IUSPDINV 0060 10 IUSRCODE 0046 IUSSAVBK 003C IUSSAVE 0060 20 IUSSIPCD 004C IUSSIPFG 004D IUSSIZE 0064 0000000F IUSSNCIP 0060 04 IUSSNDOP 004B IUSSNDO2 004C IUSSPCMD 004E IUSSTATE 0048 IUSSYCLV 004F IUSTRACE 0040 IUSTRCID 0030 IUSWAIT 0060 40 IUSWHTRC 004A
Last updated on 5 Jun 2001 at 14:01:43 EDT.
Copyright IBM Corporation, 1990, 2001