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.

ORBLK

Prolog  

Control Block Contents  

ORBLK DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

ORBLK Prolog

 NAME       : HCPORBLK
 DESCRIPTION: OPERATION REQUEST BLOCK MAPPING
 DSECT      : ORBLK
 FUNCTION   : PROVIDE SYMOLIC REFERENCES FOR THE FIELDS OF THE OPERAND
              OF AN XA START SUBCHANNEL INSTRUCTION.
 LOCATED BY : N/A
 CREATED BY : N/A
 DELETED BY : N/A

 

ORBLK Control Block Content


ORBLK DSECT

Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure ORBLK OPERATION REQUEST BLOCK MAPPING 0000 0 Bitstring 12 ORBORB (0) OPERATION REQUEST BLOCK (ORB) 0000 0 Signed 4 ORBINTP INTERRUPT PARAMETER 0004 4 Signed 4 ORBWORD1 (0) ORB WORD-1 0004 4 Bitstring 1 ORBKEY KEY OF I/O TRANSFER 1111 .... CSWKEY X'F0' KEY OF I/O OPERATION (0-15) .... 1... CSWSRENA X'08' SUSPEND-RESUME ENABLEMENT ORB only fields .... ..1. CSWMODCT X'02' Modification Control(ORB Word 1,Bit 6) .... ...1 CSWSYNCH X'01' Synchronize Control (ORB Word 1,Bit 7) IRB only fields .... .1.. CSWESTAT X'04' 1=EXTENDED STATUS, 0=TIME .... ..11 CSWDFCC X'03' DEFERRED CC EXTRACT MASK .... .... CSWCC0 X'00' DEFERRED CC CODE 0 .... ...1 CSWCC1 X'01' DEFERRED CC CODE 1 .... ..1. CSWCC2 X'02' DEFERRED CC CODE 2 .... ..11 CSWCC3 X'03' DEFERRED CC CODE 3 0005 5 Bitstring 1 ORBFPI FORMAT , PREFETCH AND RESPONSE 1111 1... CSWSUMRY X'F8' SUMMARY TEST FIELD 1... .... CSWFORMT X'80' FORMAT OF CCW .1.. .... CSWPREF X'40' UNLIMITED PREFETCH ALLOWED. ..1. .... CSWRESPN X'20' INITIAL STATUS RESPONSE PRESENTED ...1 .... CSWLMODE X'10' ADDRESS LIMIT IS IN EFFECT .... 1... CSWSUPSI X'08' SUPPRESS SUSPENDED INTERRUPTION .... .1.. CSWZCC X'04' CONFIRMED ZERO CONDITION CODE .... ..1. CSWELOG X'02' EXTENDED I/O LOGOUT STORED .... ...1 CSWPNOPR X'01' NOT-OPERATION PATH ENCOUNTERED 0006 6 Bitstring 1 ORBLPM LOGICAL PATH MASK 0007 7 Bitstring 1 ORBBYT7 ORB BYTE 7 0008 8 Address 4 ORBCCWA (0) ADDRESS OF FIRST CHANNEL COMMAND WORD 0008 8 Address 4 ORBCPA CHANNEL PROGRAM ADDRESS 0000000C ORBBLEN (*-ORBLK) SIZE IN BYTES 00000002 ORBSIZE (ORBBLEN+7)/8 SIZE IN DOUBLE WORDS

 

ORBLK Storage Layout

*** ORBLK - OPERATION REQUEST BLOCK MAPPING
*
*     +---------------------------+------+------+------+------+
*   0 |         ORBINTP           |ORBKEY|ORBFPI|ORBLPM|:BYT7 |
*     +---------------------------+------+------+------+------+
*   8 |          ORBCPA           | C
*     +---------------------------+
*
*** ORBLK - OPERATION REQUEST BLOCK MAPPING

 

ORBLK Cross Reference

(contains links to field and bit definitions)
Symbol         Dspl Value
-------------- ---- -----

CSWCC0 0004 00

CSWCC1 0004 01

CSWCC2 0004 02

CSWCC3 0004 03

CSWDFCC 0004 03

CSWELOG 0005 02

CSWESTAT 0004 04

CSWFORMT 0005 80

CSWKEY 0004 F0

CSWLMODE 0005 10

CSWMODCT 0004 02

CSWPNOPR 0005 01

CSWPREF 0005 40

CSWRESPN 0005 20

CSWSRENA 0004 08

CSWSUMRY 0005 F8

CSWSUPSI 0005 08

CSWSYNCH 0004 01

CSWZCC 0005 04

ORBBLEN 0008 0000000C

ORBBYT7 0007

ORBCCWA 0008

ORBCPA 0008

ORBFPI 0005

ORBINTP 0000

ORBKEY 0004

ORBLPM 0006

ORBORB 0000

ORBSIZE 0008 00000002

ORBWORD1 0004


This information is based on VM/ESA 2.4.0.
Last updated on 3 Aug 1999 at 12:18:42 EDT.
Copyright IBM Corporation, 1990, 1999