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' 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 V5R2.0. Last updated on 12 Apr 2006 at 17:23:28 EDT.
Copyright IBM Corporation, 1990, 2005