PXBBK | Back to Index page

| Prolog Control Block Contents PXBBK DSECT PXBMAP 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.

PXBBK Control Block Content | Top of page

     PXBBK DSECT
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    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      PXBBK          SSI Manager Bitmap Exchange Message
    0000    0 Signed       4 PXBEYEC        Block Eye Catcher '*PXB'
    0004    4 Signed       2 PXBHSIZ        PXBBK Header Size
    0006    6 Signed       2 PXBSLOT        Slot number who sent bitmaps
    0008    8 Signed       2 PXBVERS        Version of PXBBK
    000A   10 Signed       2 PXBRCVRC       RC from Bitmap Processing
    000C   12 Signed       2 PXBBITCT       Number of bitmaps sent
    000E   14 Signed       2 *              Reserved for future IBM use
    0010   16 Dbl-Word     8 PXBTOD         TOD when bitmaps obtained
    0018   24 Dbl-Word     8 * (4)          Reserved for future IBM use
              00000038       PXBHDEND       * Mark end of the header
              00000038       PXBHDLEN       *-PXBBK PXBBK Header Length
          -------- Mapping for each bitmap ***************-

     PXBMAP DSECT
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    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      PXBMAP         SSI Manager Bitmap Exchange Message
    0000    0 Signed       2 PXBMSIZE       Length of entire bitmap
    0002    2 Signed       2 *              Reserved for Future IBM use
    0004    4 Signed       2 PXBMSLOT       Slot number
    0006    6 Signed       2 PXBMSERV       Service number
    0008    8 Bitstring    8 PXBMBITS       Bitmap Data
              00000010       PXBMBEXT       * Next bitmap

PXBBK Storage Layout | Top of page

    *** PXBBK - SSI Manager Bitmap Exchange Message
    *
    *     +---------------------------+-------------+-------------+
    *   0 |         PXBEYEC           |  PXBHSIZ    |  PXBSLOT    |
    *     +-------------+-------------+-------------+-------------+
    *   8 |  PXBVERS    |  PXBRCVRC   |  PXBBITCT   |/////////////|
    *     +-------------+-------------+-------------+-------------+
    *  10 |                        PXBTOD                         |
    *     +-------------------------------------------------------+
    *  18 |///////////////////////////////////////////////////////|
    *     =///////////////////////////////////////////////////////=
    *     |///////////////////////////////////////////////////////|
    *     +-------------------------------------------------------+
    *  38
    *
    *** PXBBK - SSI Manager Bitmap Exchange Message

    *** PXBMAP - SSI Manager Bitmap Exchange Message
    *
    *     +-------------+-------------+-------------+-------------+
    *   0 |  PXBMSIZE   |/////////////|  PXBMSLOT   |  PXBMSERV   |
    *     +-------------+-------------+-------------+-------------+
    *   8 |                       PXBMBITS                        |
    *     +-------------------------------------------------------+
    *  10
    *
    *** PXBMAP - SSI Manager Bitmap Exchange Message

PXBBK Cross Reference | Top of page

    Symbol         Dspl Value
    -------------- ---- -----
    PXBBITCT       000C
    PXBEYEC        0000
    PXBHDEND       0018 00000038
    PXBHDLEN       0018 00000038
    PXBHSIZ        0004
    PXBMBEXT       0008 00000010
    PXBMBITS       0008
    PXBMSERV       0006
    PXBMSIZE       0000
    PXBMSLOT       0004
    PXBRCVRC       000A
    PXBSLOT        0006
    PXBTOD         0010
    PXBVERS        0008

This information is based on z/VM 7.2.0 Last updated on 24 Jun 2020 at 09:29:53 EDT.
Copyright IBM Corporation, 1990, 2020