IOWBK Back to Index page
 
Prolog 
Control Block Contents 
   IOWBK 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.


  IOWBK Prolog Top of page
  
 NAME       : HCPIOWBK
 DESCRIPTION: DATATRACE TYPE IO WORKAREA
 DSECT      : IOWBK
 FUNCTION   : PROCESSOR LOCAL WORKAREA FOR TYPE IO EVENT
              HANDLER
 LOCATED BY : EVTIOWK
 CREATED BY : HCPTXW
 DELETED BY : HCPTXW
 RELOCATION CONSIDERATIONS : None
 
 
  IOWBK Control Block Content Top of page
  




 IOWBK DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      IOWBK          DATATRACE TYPE IO WORKAREA
0000    0 Dbl-Word     8 IOWSTRUC (170) TABLE OF CCW ADDRESSES IN IO
                                        TRACE
          00000550       IOWSIZEB       (*-IOWBK) SIZE OF IOWBK IN BYTES
          000000AA       IOWSIZE        (*-IOWBK+7)/8 SIZE OF IOWBK IN
                                        DOUBLEWORDS
 
 
  IOWBK Storage Layout Top of page
  
          
*** IOWBK - DATATRACE TYPE IO WORKAREA
*
*     +-------------------------------------------------------+
*   0 |                                                       |
*     =                       IOWSTRUC                        =
*     |                                                       |
*     +-------------------------------------------------------+
* 550
*
*** IOWBK - DATATRACE TYPE IO WORKAREA
 
 
  IOWBK Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
IOWSIZE        0000 000000AA
IOWSIZEB       0000 00000550
IOWSTRUC       0000
 
This information is based on z/VM 7.4.0 Last updated on 24 Jun 2024 at 11:31:26 EDT.
Copyright IBM Corporation, 1990, 2024