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