XSEBK | Back to Index page

| Prolog Control Block Contents XSEBK 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.

XSEBK Prolog | Top of page

     NAME       : HCPXSEBK
     DESCRIPTION: Expanded-Storage Element Block
     DSECT      : XSEBK
     FUNCTION   : Contain information about Expanded-Storage
                  Elements
     LOCATED BY : SLPXSEBK field of SLPBX
     CREATED BY : HCPPCQIX
     DELETED BY : HCPPCQIX
     SERIALIZED : NA
     RELOCATION CONSIDERATIONS : None

XSEBK Control Block Content | Top of page

     XSEBK DSECT
    Top of page

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      XSEBK          Expanded-Storage Element Block
    0000    0 Signed       2 XSECOUNT       Number of elements
    0002    2 Bitstring    6 *              Reserved for IBM use
              00000008       XSEBLEN        *-XSEBK Block base length
    0008    8 Bitstring   12 XSELEMNT (0)   Expanded-storage element
    0008    8 Signed       2 XSEIDENT       Element identifier
    000A   10 Address      1 XSESTATE       Element state
              00000000       XSECONFG       PCCCONFG XSECONFG Resource is
                                            CONFIGURED
              00000003       XSERESVD       PCCRSRVD XSERESVD Resource is in
                                            RESERVED
              00000004       XSESTDBY       PCCSTNBY XSESTDBY Resource is in
                                            STANDBY
    000B   11 Bitstring    1 XSECHARS       Element characteristics
              1... ....      XSECHREQ       PCCXSRE XSECHREQ Required
                                            XSTORAGE element
    000C   12 Signed       4 XSESTINC       Starting increment number
    0010   16 Signed       4 XSEENINC       Ending increment number
              0000000C       XSEELEN        *-XSELEMNT Expanded-storage
                                            element length
    0014   20 Bitstring   12 XSELEMNX (0)   Next Expanded-storage element

XSEBK Storage Layout | Top of page

    *** XSEBK - Expanded-Storage Element Block
    *
    *     +-------------+-----------------------------------------+
    *   0 |  XSECOUNT   |/////////////////////////////////////////|
    *     +-------------+------+------+---------------------------+
    *   8 |  XSEIDENT   |:STATE|:CHARS|         XSESTINC          |
    *     +-------------+------+------+---------------------------+
    *  10 |         XSEENINC          |
    *     +---------------------------+
    *
    *** XSEBK - Expanded-Storage Element Block

XSEBK Cross Reference | Top of page

    Symbol         Dspl Value
    -------------- ---- -----
    XSEBLEN        0002 00000008
    XSECHARS       000B
    XSECHREQ       000B 80
    XSECONFG       000A 00000000
    XSECOUNT       0000
    XSEELEN        0010 0000000C
    XSEENINC       0010
    XSEIDENT       0008
    XSELEMNT       0008
    XSELEMNX       0014
    XSERESVD       000A 00000003
    XSESTATE       000A
    XSESTDBY       000A 00000004
    XSESTINC       000C

This information is based on z/VM 7.2.0 Last updated on 24 Jun 2020 at 09:31:54 EDT.
Copyright IBM Corporation, 1990, 2020