Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM.

SDDATA

Prolog  

Control Block Contents  
   SDDATA DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  


SDDATA Prolog

 NAME       : HCPTCMBK
 DESCRIPTION: TCMBK steal info for Main stg or XSTORE
 DSECT      : SDDATA

 

SDDATA Control Block Content


SDDATA DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      SDDATA         TCMBK steal info for Main stg or XSTORE
0000    0 Signed       4 SDIDLSZ        Limit of number of pages in cache
0004    4 Signed       4 SDCURSZ        Current number of pages in cache
0008    8 Signed       4 SDCMDMIN       Minimum number of pages in cache
                                        as set by command
000C   12 Signed       4 SDCMDMAX       Maximum number of pages in cache
                                        as set by command
0010   16 Signed       4 SDDELETS       Number of pages deleted from
                                        track cache
0014   20 Signed       4 SDSTEALS       Number of times page steal was
                                        called to steal pages of this
                                        type from the track cache
0018   24 Address      4 SDCPE          Address of CPEBK to stack to
                                        invoke steal
001C   28 Address      4 *              Reserved for IBM

 

SDDATA Storage Layout

          
*** SDDATA - TCMBK steal info for Main stg or XSTORE
*
*     +---------------------------+---------------------------+
*   0 |         SDIDLSZ           |         SDCURSZ           |
*     +---------------------------+---------------------------+
*   8 |         SDCMDMIN          |         SDCMDMAX          |
*     +---------------------------+---------------------------+
*  10 |         SDDELETS          |         SDSTEALS          |
*     +---------------------------+---------------------------+
*  18 |          SDCPE            |///////////////////////////|
*     +---------------------------+---------------------------+
*  20
*
*** SDDATA - TCMBK steal info for Main stg or XSTORE

 

SDDATA Cross Reference

Symbol         Dspl Value
-------------- ---- -----
SDCMDMAX       000C
SDCMDMIN       0008
SDCPE          0018
SDCURSZ        0004
SDDELETS       0010
SDIDLSZ        0000
SDSTEALS       0014

This information is based on z/VM V6R2.0. Last updated on 21 Nov 2011 at 11:27:16 EDT.
Copyright IBM Corporation, 1990, 2011