IJJHCPL Back to Index page
 
Prolog 
Control Block Contents 
   IJJHCPL DSECT
Storage Layout 
Cross Reference (Contains links to field and bit definitions)
Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM.


  IJJHCPL Prolog Top of page
 
 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 Top of page
 

 IJJHCPL DSECT Top of page
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' CVHOPEN OPEN VTOC .1.. .... CVHCLOSE X'40' CVHCLOSE CLOSE VTOC ..1. .... CVHRF4 X'20' CVHRF4 READ F4 LABEL ...1 .... CVHRF1 X'10' CVHRF1 READ F1 LABEL .... 1... CVHRADR X'08' CVHRADR READ BY ADDRESS .... .1.. CVHRNEXT X'04' CVHRNEXT READ NEXT .... ..1. CVHRVOL1 X'02' CVHRVOL1 READ VOL1 LABEL 0001 1 Bitstring 1 CVHFLG2 1... .... CVHWADR X'80' CVHWADR WRITE BY ADDRESS .1.. .... CVHWANY X'40' CVHWANY WRITE IN ANY SLOT ..1. .... CVHCOV X'20' CVHCOV CHECK FOR OVERLAPS ...1 .... CVHSCR X'10' CVHSCR SCRATCH LABEL .... 1... CVHREN X'08' CVHREN RENAME LABEL .... .1.. CVHCOVBP X'04' CVHCOVBP BYPASS COV ON WRITE .... ..1. CVHSCRBP X'02' CVHSCRBP BYPASS SCRATCH ON COV .... ...1 CVHPRTBP X'01' CVHPRTBP SCR/REN EVEN IF PROTECTED 0002 2 Bitstring 1 CVHFLG3 1... .... CVHSHROP X'80' CVHSHROP SHARE OPTION .1.. .... CVHIRIOE X'40' CVHIRIOE 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 Top of page
 
          
*** 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 Top of page
 
 
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
 
This information is based on z/VM 7.1.0 Last updated on 22 Jun 2018 at 11:58:41 EDT.
Copyright IBM Corporation, 1990, 2018