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
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
Last updated on 3 Aug 1999 at 12:18:42 EDT.
Copyright IBM Corporation, 1990, 1999