SCTLF | Back to Index page

| Prolog Control Block Contents SCTLF 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.

SCTLF Prolog | Top of page

     NAME       : HCPSCTLF
     DESCRIPTION: CFLF SUBSYSTEM CONNECT TABLE ENTRY
     DSECT      : SCTLF
     FUNCTION   : DESCRIBE THE SUBSYSTEM CONNECT TABLE ENTRIES USED
                  BY HCPLFP WHEN PROCESSING CFLF ORDERS.
     LOCATED BY : STHCNTB IN HCPSTHLF
     CREATED BY : HCPLFP
     DELETED BY : HCPLFCST, HCPLFCRL, HCPLFPSF
     SERIALIZED : CONFIGURATION LOCK.
     RELOCATION CONSIDERATIONS : None

SCTLF Control Block Content | Top of page

     SCTLF DSECT
    Top of page

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      SCTLF          CFLF SUBSYSTEM CONNECT TABLE ENTRY
    0000    0 Bitstring    3 SCTUSRID       CFLF USER ID
    0003    3 Bitstring    1 SCTPART        PARTITION
    0004    4 Bitstring    3 SCTTKID        TOKEN ID
    0007    7 Bitstring    1 SCTCFLG        CONNECT FLAGS
              1... ....      SCTINUSE       X'80' SCTINUSE ENTRY IN-USE
              .1.. ....      SCTWTRSC       X'40' SCTWTRSC WAITING FOR
                                            RESOURCES
              ..1. ....      SCTGLDPR       X'20' SCTGLDPR GLOBAL DISCONNECT
                                            IN PROGRESS
    0008    8 Address      4 SCTVMB         ADDRESS OF PRIMARY VMDBK
    000C   12 Bitstring    2 SCTCADR        CONNECT ADDRESS
    000E   14 Bitstring    2 *              RESERVED FOR IBM USE
    0010   16 Address      4 SCTMFPT        MESSAGE QUEUE 1ST POINTER
    0014   20 Address      4 SCTMLPT        MESSAGE QUEUE END POINTER
              00000018       SCTSIZE        *-SCTLF SIZE IN BYTES
              00000003       SCTSIZ8        (*-SCTLF+7)/8 SIZE IN DOUBLEWORDS

SCTLF Storage Layout | Top of page

    *** SCTLF - CFLF SUBSYSTEM CONNECT TABLE ENTRY
    *
    *     +--------------------+------+--------------------+------+
    *   0 |     SCTUSRID       |:PART |      SCTTKID       |:CFLG |
    *     +--------------------+------+-------------+------+------+
    *   8 |          SCTVMB           |  SCTCADR    |/////////////|
    *     +---------------------------+-------------+-------------+
    *  10 |         SCTMFPT           |         SCTMLPT           |
    *     +---------------------------+---------------------------+
    *  18
    *
    *** SCTLF - CFLF SUBSYSTEM CONNECT TABLE ENTRY

SCTLF Cross Reference | Top of page

    Symbol         Dspl Value
    -------------- ---- -----
    SCTCADR        000C
    SCTCFLG        0007
    SCTGLDPR       0007 20
    SCTINUSE       0007 80
    SCTMFPT        0010
    SCTMLPT        0014
    SCTPART        0003
    SCTSIZE        0014 00000018
    SCTSIZ8        0014 00000003
    SCTTKID        0004
    SCTUSRID       0000
    SCTVMB         0008
    SCTWTRSC       0007 40

This information is based on z/VM 7.2.0 Last updated on 24 Jun 2020 at 09:30:53 EDT.
Copyright IBM Corporation, 1990, 2020