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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. |
IJJHCPL
Cross Reference (Contains links to field and bit definitions)
IJJHCPL Prolog
Name : IJJHCPL Description: Common VTOC Handler Parameter List DSECT : IJJHCPL Function : IJJHCPL describes the fields within the common VTOC handler input parameter list and is used in the CMS/DOS environment. IJJHCPL is called by the IJJHCPL macro.
IJJHCPL Control Block Content
IJJHCPL DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure IJJHCPL Common VTOC Handler Parameter List 0000 0 Bitstring 3 CVHFLAGS (0) PROCESSING INDICATORS 0000 0 Bitstring 1 CVHFLG1 1... .... CVHOPEN X'80' OPEN VTOC .1.. .... CVHCLOSE X'40' CLOSE VTOC ..1. .... CVHRF4 X'20' READ F4 LABEL ...1 .... CVHRF1 X'10' READ F1 LABEL .... 1... CVHRADR X'08' READ BY ADDRESS .... .1.. CVHRNEXT X'04' READ NEXT .... ..1. CVHRVOL1 X'02' READ VOL1 LABEL 0001 1 Bitstring 1 CVHFLG2 1... .... CVHWADR X'80' WRITE BY ADDRESS .1.. .... CVHWANY X'40' WRITE IN ANY SLOT ..1. .... CVHCOV X'20' CHECK FOR OVERLAPS ...1 .... CVHSCR X'10' SCRATCH LABEL .... 1... CVHREN X'08' RENAME LABEL .... .1.. CVHCOVBP X'04' BYPASS COV ON WRITE .... ..1. CVHSCRBP X'02' BYPASS SCRATCH ON COV .... ...1 CVHPRTBP X'01' SCR/REN EVEN IF PROTECTED 0002 2 Bitstring 1 CVHFLG3 1... .... CVHSHROP X'80' SHARE OPTION .1.. .... CVHIRIOE X'40' IRRECOVERABLE I/O ERROR OPTION 0003 3 Bitstring 1 * RESERVED 00000004 CVHWORK * WORK AREA 0004 4 Address 4 CVHDLIST ADDRESS OF DLIST 0008 8 Address 4 CVHIOA (0) ADDRESS OF I/O AREA 0008 8 Address 4 CVHVOLID ADDRESS OF VOLID (OPEN) 0000000C CVHWORK2 * WORK AREA 000C 12 Address 4 CVHNAME (0) ADDRESS OF LABEL NAME 000C 12 Address 4 CVHSYSNO ADDRESS OF SYSNO (OPEN) 0010 16 Address 4 CVHNEW (0) ADDRESS OF NEW NAME 0010 16 Address 4 CVHWRKA ADDRESS OF WORKAREA (OPEN) 0014 20 Address 4 CVHRETA ADDRESS OF RETURN AREA 00000018 CPLLEN *-IJJHCPL LENGTH
IJJHCPL Storage Layout
*** IJJHCPL - Common VTOC Handler Parameter List * * +------+------+------+------+---------------------------+ * 0 |:FLG1 |:FLG2 |:FLG3 |//////| CVHDLIST | * +------+------+------+------+---------------------------+ * 8 | CVHVOLID | CVHSYSNO | * +---------------------------+---------------------------+ * 10 | CVHWRKA | CVHRETA | * +---------------------------+---------------------------+ * 18 * *** IJJHCPL - Common VTOC Handler Parameter List
IJJHCPL Cross Reference
(contains links to field and bit definitions)Symbol Dspl Value -------------- ---- -----CPLLEN 0014 00000018
CVHCLOSE 0000 40
CVHCOV 0001 20
CVHCOVBP 0001 04
CVHDLIST 0004
CVHFLAGS 0000
CVHFLG1 0000
CVHFLG2 0001
CVHFLG3 0002
CVHIOA 0008
CVHIRIOE 0002 40
CVHNAME 000C
CVHNEW 0010
CVHOPEN 0000 80
CVHPRTBP 0001 01
CVHRADR 0000 08
CVHREN 0001 08
CVHRETA 0014
CVHRF1 0000 10
CVHRF4 0000 20
CVHRNEXT 0000 04
CVHRVOL1 0000 02
CVHSCR 0001 10
CVHSCRBP 0001 02
CVHSHROP 0002 80
CVHSYSNO 000C
CVHVOLID 0008
CVHWADR 0001 80
CVHWANY 0001 40
CVHWORK 0003 00000004
CVHWORK2 0008 0000000C
CVHWRKA 0010
Last updated on 12 Aug 1999 at 11:21:30 EDT.
Copyright IBM Corporation, 1990, 1999