SIDBK | Back to Index page

| Prolog Control Block Contents SIDBK 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.

SIDBK Prolog | Top of page

     NAME       : HCPSIDBK
     DESCRIPTION: SYSTEM ID LIST
     DSECT      : SIDBK
     FUNCTION   : CONTAINS THE SYSTEM ID FOR EACH PROCESSOR
                  UPON WHICH THE SYSTEM IS EXPECTED TO BE
                  IPL'D.  THIS ID WILL APPEAR ON THE LOGO
                  PRIOR TO LOGGING ON A USER AND ON SEPARATOR
                  PAGES OF SPOOLED PRINTER OUTPUT.
     LOCATED BY : SYSIDL FIELD OF HCPSYSCM
     CREATED BY : HCPSYS ASSEMBLY (SYSGEN) IF THERE IS A SYSID
                  MACRO and HCPZPP if there is a SYSTEM_ID
                  in the SYSTEM CONFIG file.
     DELETED BY : NONE
     RELOCATION CONSIDERATIONS : None

SIDBK Control Block Content | Top of page

     SIDBK DSECT
    Top of page

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      SIDBK          SYSTEM ID LIST
    0000    0 Address      4 SIDNEXT        Pointer to next SIDBK entry
    0004    4 Bitstring    1 SIDFLAG        Flag byte
              1... ....      SIDEFAUL       X'80' SIDEFAUL This is default
                                            entry
              .1.. ....      SIDLPFLG       X'40' SIDLPFLG This SIDBK
                                            contains LPAR pattern
    0005    5 Signed       1 SIDSERL        Serial Number length
    0006    6 Character    6 SIDSER         Serial Number pattern
    000C   12 Signed       1 SIDMODL        Model Number length
    000D   13 Character    4 SIDMOD         Model Number pattern
    0011   17 Signed       1 SIDLPARL       LPAR length
    0012   18 Character    8 SIDLPAR        LPAR pattern
    001A   26 Character    6 *              Reserved
    0020   32 Dbl-Word     8 * (0)          Round up to d-word
    0020   32 Character    8 SIDLID         LOCAL ID
    0028   40 Character    8 SIDSYSGN       SYSTEM GATEWAY NAME
              00000006       SIDSIZED       (*-SIDBK+7)/8 Number of double
                                            words per entry

SIDBK Storage Layout | Top of page

    *** SIDBK - SYSTEM ID LIST
    *
    *     +---------------------------+------+------+-------------+
    *   0 |         SIDNEXT           |:FLAG |:SERL |   (006)-    |
    *     +---------------------------+------+------+-------------+
    *   8 |         -SIDSER           |:MODL |      SIDMOD-       |
    *     +------+------+-------------+------+--------------------+
    *  10 |-(00D)|:LPARL|                SIDLPAR-                 |
    *     +------+------+-----------------------------------------+
    *  18 |   -(012)    |/////////////////////////////////////////|
    *     +-------------+-----------------------------------------+
    *  20 |                        SIDLID                         |
    *     +-------------------------------------------------------+
    *  28 |                       SIDSYSGN                        |
    *     +-------------------------------------------------------+
    *  30
    *
    *** SIDBK - SYSTEM ID LIST

SIDBK Cross Reference | Top of page

    Symbol         Dspl Value
    -------------- ---- -----
    SIDEFAUL       0004 80
    SIDFLAG        0004
    SIDLID         0020
    SIDLPAR        0012
    SIDLPARL       0011
    SIDLPFLG       0004 40
    SIDMOD         000D
    SIDMODL        000C
    SIDNEXT        0000
    SIDSER         0006
    SIDSERL        0005
    SIDSIZED       0028 00000006
    SIDSYSGN       0028

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