SL1BK | Back to Index page

| Prolog Control Block Contents SL1BK 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.

SL1BK Control Block Content | Top of page

     SL1BK DSECT
    Top of page

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      SL1BK          Multi-Level Table definition
    0000    0 Address      4 SL1NEXT        Address of next SL1BK or 0
    0004    4 Bitstring    1 SL1FLAGS       Processing Flags
              1... ....      SL1DEFIN       X'80' SL1DEFIN Define VSWITCH
                                            Command
              .1.. ....      SL1MODFY       X'40' SL1MODFY Modify VSWITCH
                                            Command
              ..1. ....      SL1PORTG       X'20' SL1PORTG New deferred PORT
                                            GROUP
              ...1 ....      SL1MODPG       X'10' SL1MODPG Modify deferred
                                            PORT GROUP
    0005    5 Bitstring    3 *              Reserved for future IBM use
    0008    8 Address      4 SL1SCFBK       Address of L:SCFBK for VSWITCH
    000C   12 Signed       4 *              Reserved for future IBM use
          End of the SL1BK
    0010   16 Dbl-Word     8 SL1$END (0)    End of the SL1BK structure
              00000010       SL1BKLN        *-SL1BK Length of SL1BK in bytes
              00000002       SL1BKSZ        (*-SL1BK+7)/8 Size of SL1BK in
                                            doublewords

SL1BK Storage Layout | Top of page

    *** SL1BK - Multi-Level Table definition
    *
    *     +---------------------------+------+--------------------+
    *   0 |         SL1NEXT           |:FLAGS|////////////////////|
    *     +---------------------------+------+--------------------+
    *   8 |         SL1SCFBK          |///////////////////////////|
    *     +---------------------------+---------------------------+
    *
    *** SL1BK - Multi-Level Table definition

SL1BK Cross Reference | Top of page

    Symbol         Dspl Value
    -------------- ---- -----
    SL1$END        0010
    SL1BKLN        0010 00000010
    SL1BKSZ        0010 00000002
    SL1DEFIN       0004 80
    SL1FLAGS       0004
    SL1MODFY       0004 40
    SL1MODPG       0004 10
    SL1NEXT        0000
    SL1PORTG       0004 20
    SL1SCFBK       0008

This information is based on z/VM 7.2.0 Last updated on 24 Jun 2020 at 09:30:37 EDT.
Copyright IBM Corporation, 1990, 2020