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
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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 7.3.0 Last updated on 22 Jun 2022 at 15:54:30 EDT.
Copyright IBM Corporation, 1990, 2022