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

SKRBK

Prolog  

Control Block Contents  
   SKRBK DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  


SKRBK Prolog

 NAME       : HCPSKRBK
 DESCRIPTION: STORAGE KEY RECORD BLOCK
 DSECT      : SKRBK
 FUNCTION   : HCPSKRBK HOLDS THE STORAGE KEY OF THE CORRESPONDING PAGE
              IN STORAGE IF THE PAGE WAS DUMPED. ONE STORAGE KEY RECORD
              CAN HOLD THE KEYS FOR 16 MEGS OF STORAGE.
 LOCATED BY : FOLLOWS THE DUMP SYMPTOM RECORD (HCPDSRBK), THE DUMP
              FILE INFORMATION RECORD (DFIR), AND THE BIT MAP RECORDS
              IN THE DUMP SENT TO TAPE OR TO SYSTEM DUMP FILE (DASD).
 CREATED BY : THE SOFT ABEND PROCESSOR. THIS BLOCK IS NOT OBTAINED
              FROM FREE STORAGE.
 DELETED BY : NOT APPLICABLE
 SERIALIZED : THE SOFT ABEND LOCK (HCPABNLK)

 

SKRBK Control Block Content


SKRBK DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      SKRBK          STORAGE KEY RECORD BLOCK
0000    0 Bitstring    1 SKRBKLST (0)   START OF VARIABLE LENGTH DATA
0000    0 Bitstring    1 SKRENTRY       STORAGE KEY ENTRY
          .... ...1      SKRMSINC       X'01' TEST FOR INCONSISTENT DATA
          1111 111.      SKRMSKIN       X'FE' MASK INCONSISTENT BIT OFF
0001    1 Bitstring    1 SKRNEXT (0)    NEXT STORAGE KEY ENTRY

 

SKRBK Storage Layout

          
*** SKRBK - STORAGE KEY RECORD BLOCK
*
*
*** SKRBK - STORAGE KEY RECORD BLOCK
          
*** Overlay for SKRBKLST in SKRBK
*
*     +------+
*   0 |:ENTRY|
*     +------+
*
*** Overlay for SKRBKLST in SKRBK

 

SKRBK Cross Reference

Symbol         Dspl Value
-------------- ---- -----
SKRBKLST       0000
SKRENTRY       0000
SKRMSINC       0000 01
SKRMSKIN       0000 FE
SKRNEXT        0001

This information is based on z/VM V4R2.0. Last updated on 17 Oct 2001 at 16:28:39 EDT.
Copyright IBM Corporation, 1990, 2001