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

SHOBK

Prolog  

Control Block Contents  
   SHOBK DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  


SHOBK Prolog

 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


SHOBK DSECT

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   54 *              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

          
*** SHOBK - Set System Characteristics Data Area
*
*     +------+------+---------------------------+------+------+
*   0 |:PSFOR|:FLAGS|         SHOCUSUP          |:CWSUP|:FLSUP|
*     +------+------+---------------------------+------+------+
*   8 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |/////////////////////////////////////////+------+------+
*  38 |/////////////////////////////////////////|SHOP1 |SHOP2 |
*     +-------------+---------------------------+------+------+
*  40 |   SHOP3     | 42
*     +-------------+
*
*** SHOBK - Set System Characteristics Data Area

 

SHOBK Cross Reference

Symbol         Dspl Value
-------------- ---- -----
SHOBKBYL       0040 00000042
SHOBKDSZ       0040 00000009
SHOCUSUP       0002
SHOCWSUP       0006
SHOFLAGS       0001
SHOFLSUP       0007
SHOPSFOR       0000
SHOP1          003E
SHOP2          003F
SHOP3          0040
SHO1DCCW       0000 1D

This information is based on z/VM V5R3.0. Last updated on 25 Jun 2007 at 17:26:18 EDT.
Copyright IBM Corporation, 1990, 2007