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

#### FTXBK

Prolog

Control Block Contents
FTXBK DSECT

Storage Layout

Cross Reference (Contains links to field and bit definitions)

#### FTXBK Prolog

     Name       : HCPFTXBK
     Description: Frame Table Extent Block
     DSECT      : FTXBK
     Function   : Contain Frame Table scan range addresses
     Created by : HCPIFTIX
     Deleted by : NA
     Located by : RSAFTXFL and RSAFTXFG in HCPRSMBK
     Serialized : RSAFTXLK
     Notes      : The RSMBK contains 2 FTXBks, one for <2G and one for >2G.
                  In a system with nothing >2G, there will still be this
                  FTXBK.  In order to indicate that an FTXBK is not
                  actually describing anything, a bogus value will be
                  used in FTXSTART and in FTXEND.  Any bogus value will
                  do.  Zero is the chosen bogus value.

#### FTXBK Control Block Content

#### FTXBK DSECT

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      FTXBK          Frame Table Extent Block
    0000    0 Address      4 FTXNEXT        Next FTXBK address
    0004    4 Address      4 FTXPREV        Previous FTXBK address
    0008    8 Address      8 FTXSTART       Host logical address of FRMTE at
                                            which to start frame table scan
                                            for this extent
    0010   16 Address      8 FTXEND         Host logical address of FRMTE at
                                            which to end frame table scan for
                                            this extent
    0018   24 Address      8 *              Reserved for IBM use
              00000004       FTXSIZE        (*-FTXBK+7)/8 FTXBK size in
                                            doublewords

#### FTXBK Storage Layout

    *** FTXBK - Frame Table Extent Block
    *
    *     +---------------------------+---------------------------+
    *   0 |         FTXNEXT           |         FTXPREV           |
    *     +---------------------------+---------------------------+
    *   8 |                       FTXSTART                        |
    *     +-------------------------------------------------------+
    *  10 |                        FTXEND                         |
    *     +-------------------------------------------------------+
    *  18 |///////////////////////////////////////////////////////|
    *     +-------------------------------------------------------+
    *  20
    *
    *** FTXBK - Frame Table Extent Block

#### FTXBK Cross Reference

    Symbol         Dspl Value
    -------------- ---- -----
    FTXEND         0010
    FTXNEXT        0000
    FTXPREV        0004
    FTXSIZE        0018 00000004
    FTXSTART       0008

This information is based on z/VM V6R1.0. Last updated on 18 Feb 2010 at 08:42:37 EDT.
Copyright IBM Corporation, 1990, 2008