SHOBK Back to Index page
 
Prolog 
Control Block Contents 
   SHOBK 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.


  SHOBK Prolog Top of page
 
 NAME       : HCPSHOBK
 DESCRIPTION: Set System Characteristics Data Area
 DSECT      : SHOBK
 FUNCTION   : Map resident data area for Set System
              Characteristics Data in HCPIOD
 LOCATED BY :
 CREATED BY : none
 DELETED BY : none
 
 
  SHOBK Control Block Content Top of page
 

 SHOBK DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure SHOBK Set System Characteristics Data Area 0000 0 Bitstring 1 SHOPSFOR Order ...1 11.1 SHO1DCCW X'1D' SHO1DCCW Set System Characteristics Order 0001 1 Bitstring 1 SHOFLAGS Flags 0002 2 Bitstring 4 SHOCUSUP Control Unit Types Supported 0006 6 Bitstring 1 SHOCWSUP CCW Supported 0007 7 Bitstring 1 SHOFLSUP Flags bits 0008 8 Bitstring 1 SHOFLSP2 Additional flag bits 1... .... SHOPPRCN X'80' SHOPPRCN PPRC Summary Event Notification Supported 0009 9 Bitstring 3 * Reserved 000C 12 Signed 4 SHOMAXVE Maximum Volume Expansion Cyls 0010 16 Bitstring 46 * Reserved 003E 62 Bitstring 1 SHOP1 Part 1 003F 63 Bitstring 1 SHOP2 Part 2 0040 64 Bitstring 2 SHOP3 Part 3 00000042 SHOBKBYL *-SHOBK Byte length of SHOBK 00000009 SHOBKDSZ ((SHOBKBYL+7)/8) Doubleword length of SHOBK
 
 
  SHOBK Storage Layout Top of page
 
          
*** SHOBK - Set System Characteristics Data Area
*
*     +------+------+---------------------------+------+------+
*   0 |:PSFOR|:FLAGS|         SHOCUSUP          |:CWSUP|:FLSUP|
*     +------+------+-------------+-------------+------+------+
*   8 |:FLSP2|////////////////////|         SHOMAXVE          |
*     +------+--------------------+---------------------------+
*  10 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |/////////////////////////////////////////+------+------+
*  38 |/////////////////////////////////////////|SHOP1 |SHOP2 |
*     +-------------+---------------------------+------+------+
*  40 |   SHOP3     | 42
*     +-------------+
*
*** SHOBK - Set System Characteristics Data Area
 
 
  SHOBK Cross Reference Top of page
 
 
Symbol         Dspl Value
-------------- ---- -----
SHOBKBYL       0040 00000042
SHOBKDSZ       0040 00000009
SHOCUSUP       0002
SHOCWSUP       0006
SHOFLAGS       0001
SHOFLSP2       0008
SHOFLSUP       0007
SHOMAXVE       000C
SHOPPRCN       0008 80
SHOPSFOR       0000
SHOP1          003E
SHOP2          003F
SHOP3          0040
SHO1DCCW       0000 1D
 
This information is based on z/VM 7.3.0 Last updated on 22 Jun 2022 at 15:55:11 EDT.
Copyright IBM Corporation, 1990, 2022