|
Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM. |
SKRBK
Control Block Contents
SKRBK DSECT
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
Last updated on 5 Jun 2001 at 16:38:40 EDT.
Copyright IBM Corporation, 1990, 2001