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

FSHBK

Prolog  

Control Block Contents  
   FSHBK DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  


FSHBK Prolog

 NAME       : HCPFSHBK
 DESCRIPTION: CP File Status Head
 DSECT      : FSHBK
 FUNCTION   : The FSHEAD contains information about the
              CMS files on each mini-disk accessed by CP.
 LOCATED BY : ACSFSH
              FSHFWD
 CREATED BY : HCPZIA
 DELETED BY : HCPZIA
              HCPZIR
 RELOCATION CONSIDERATIONS : None

 

FSHBK Control Block Content


FSHBK DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      FSHBK          CP File Status Head
0000    0 Address      4 FSHFWD         A( next FSHBK )
0004    4 Signed       2 *              Reserved
0006    6 Signed       2 *              Reserved
0008    8 Character   16 FSHLO          Lo file id
0018   24 Character   16 FSHHI          Hi file id
0028   40 Address      4 FSHgFSB        V-addr of Gotten CP Virt Free
002C   44 Address      4 FSHvFSB        V-addr of an FSB page in CP V F
0030   48 Dbl-Word     8 FSH$END (0)    The end

 

FSHBK Storage Layout

          
*** FSHBK - CP File Status Head
*
*     +---------------------------+-------------+-------------+
*   0 |          FSHFWD           |/////////////|/////////////|
*     +---------------------------+-------------+-------------+
*   8 |                        FSHLO                          |
*     |                                                       |
*     +-------------------------------------------------------+
*  18 |                        FSHHI                          |
*     |                                                       |
*     +---------------------------+---------------------------+
*  28 |         FSHGFSB           |         FSHVFSB           |
*     +---------------------------+---------------------------+
*
*** FSHBK - CP File Status Head

 

FSHBK Cross Reference

Symbol         Dspl Value
-------------- ---- -----
FSH$END        0030
FSHgFSB        0028
FSHvFSB        002C
FSHFWD         0000
FSHHI          0018
FSHLO          0008

This information is based on z/VM V6R2.0. Last updated on 21 Nov 2011 at 11:03:50 EDT.
Copyright IBM Corporation, 1990, 2011