Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. |
ZPMBK
Control Block Contents
ZPMBK DSECT
Cross Reference (Contains links to field and bit definitions)
ZPMBK Prolog
NAME : HCPZPMBK DESCRIPTION: ZONE PARAMETER BLOCK DSECT : ZPMBK FUNCTION : THE ZPMBK DESCRIBES THE ZONE PARAMETERS BLOCK USED AS INPUT TO THE SET ZONE PARAMETERS AND AS OUTPUT TO THE STORE ZONE PARAMETERS INSTRUCTION LOCATED BY : HCPWRKZP USED DURING DUMP PROCESSING TO DUMP ALL ZONE PARAMETERS ALL USERS OF HCPZPMBK, EXCEPT DUMP PROCESSING, GET FREE STORAGE FOR THE ZPMBK IN ORDER TO ISSUE EITHER STZP OR SZP INSTRUCTIONS AND RETURN THE STORAGE WHEN FINISHED ISSUING THE INSTRUCTIONS. CREATED BY : HCPZMIIN HCPZMGAZ HCPZMGDZ HCPZMXEE HCPZMXDE DELETED BY : HCPZMIIN HCPZMGAZ HCPZMGDZ HCPZMXEE HCPZMXDE Notes : there are 2 versions of this block, one for 32-bit and one for 64-bit CP.
ZPMBK Control Block Content
ZPMBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure ZPMBK ZONE PARAMETER BLOCK ENTRY 0000 0 Signed 4 * (0) 0000 0 Signed 2 * RESERVED FOR FUTURE IBM USE 0002 2 Signed 2 ZPMMSO MAIN STORAGE ORIGIN 0004 4 Signed 2 * RESERVED FOR FUTURE IBM USE 0006 6 Signed 2 ZPMMSL MAIN STORAGE LIMIT 0008 8 Bitstring 1 * RESERVED FOR FUTURE IBM USE 0009 9 Bitstring 3 ZPMESO EXPANDED STORAGE ORIGIN 000C 12 Bitstring 1 * RESERVED FOR FUTURE IBM USE 000D 13 Bitstring 3 ZPMESL Expanded-Storage Limit 0010 16 Signed 4 * (4) RESERVED FOR FUTURE IBM USE 00000004 ZPMSIZE (*-ZPMBK+7)/8 :ZPMBK SIZE IN DOUBLE WORDS 00000020 ZPMLENTH (*-ZPMBK) ZPMBK LENGTH IN BYTES
ZPMBK Storage Layout
*** ZPMBK - ZONE PARAMETER BLOCK * * +-------------+-------------+-------------+-------------+ * 0 |/////////////| ZPMMSO |/////////////| ZPMMSL | * +------+------+-------------+------+------+-------------+ * 8 |//////| ZPMESO |//////| ZPMESL | * +------+--------------------+------+--------------------+ * 10 |///////////////////////////////////////////////////////| * |///////////////////////////////////////////////////////| * +-------------------------------------------------------+ * 20 * *** ZPMBK - ZONE PARAMETER BLOCK
ZPMBK Cross Reference
Symbol Dspl Value -------------- ---- ----- ZPMESL 000D ZPMESO 0009 ZPMLENTH 0010 00000020 ZPMMSL 0006 ZPMMSO 0002 ZPMSIZE 0010 00000004
Copyright IBM Corporation, 1990, 2002