FSHBK | Back to Index page

| Prolog Control Block Contents FSHBK 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.

FSHBK Prolog | Top of page

     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 | Top of page

     FSHBK DSECT
    Top of page

    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 | Top of page

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

FSHBK Cross Reference | Top of page

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

This information is based on z/VM 7.2.0 Last updated on 24 Jun 2020 at 09:28:21 EDT.
Copyright IBM Corporation, 1990, 2020