RSDBK | Back to Index page

| Prolog Control Block Contents RSDBK 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.

RSDBK Control Block Content | Top of page

     RSDBK DSECT
    Top of page

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      RSDBK          Set Reserved Data Block
    0000    0 Address      4 RSDNEXT        Next RSDBK in the chain
    0004    4 Signed       4 *              Reserved for future IBM use
    0008    8 Character    8 RSDNAME        Filename of NSS or DCSS
    0010   16 Character    8 RSDTYPE        Type = NSS, DCSS, or DCSSG
    0018   24 Signed       4 *              Reserved for future IBM use
    001C   28 Signed       4 RSDCTRSV       Reserved frame count
    0020   32 Dbl-Word     8 RSDCTSPG       Shared page count in NSS/DCSS
    0028   40 Signed       2 *              Reserved for future IBM use
    002A   42 Signed       2 RSDSPID        Spool id of NSS or DCSS
    002C   44 Signed       4 *              Reserved for future IBM use
          End of RSDBK
              00000030       RSDLEN         *-RSDBK Size of RSDBK in bytes
              00000006       RSDSIZE        (RSDLEN+7)/8 Size of RSDBK in
                                            doublewords

RSDBK Storage Layout | Top of page

    *** RSDBK - Set Reserved Data Block
    *
    *     +---------------------------+---------------------------+
    *   0 |         RSDNEXT           |///////////////////////////|
    *     +---------------------------+---------------------------+
    *   8 |                       RSDNAME                         |
    *     +-------------------------------------------------------+
    *  10 |                       RSDTYPE                         |
    *     +---------------------------+---------------------------+
    *  18 |///////////////////////////|         RSDCTRSV          |
    *     +---------------------------+---------------------------+
    *  20 |                       RSDCTSPG                        |
    *     +-------------+-------------+---------------------------+
    *  28 |/////////////|  RSDSPID    |///////////////////////////|
    *     +-------------+-------------+---------------------------+
    *  30
    *
    *** RSDBK - Set Reserved Data Block

RSDBK Cross Reference | Top of page

    Symbol         Dspl Value
    -------------- ---- -----
    RSDCTRSV       001C
    RSDCTSPG       0020
    RSDLEN         002C 00000030
    RSDNAME        0008
    RSDNEXT        0000
    RSDSIZE        002C 00000006
    RSDSPID        002A
    RSDTYPE        0010

This information is based on z/VM 7.2.0 Last updated on 24 Jun 2020 at 09:30:05 EDT.
Copyright IBM Corporation, 1990, 2020