SLPBK Back to Index page
 
Prolog 
Control Block Contents 
   SLPBK 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.


  SLPBK Prolog Top of page
  
 NAME       : HCPSLPBK
 DESCRIPTION: Service-call Logical Processor control block
 DSECT      : SLPBK
 FUNCTION   : To provide a common data area used in the
              management of the real Service-Call Logical
              Processor (SCLP) interface
 LOCATED BY : SYSSLPBK in the system common area (HCPSYSCM)
 CREATED BY : HCPSEIEN
 DELETED BY : Once created, this control block is never
              deleted
 RELOCATION CONSIDERATIONS : None
 
 
  SLPBK Control Block Content Top of page
  




 SLPBK DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      SLPBK          Service-call Logical Processor control block
0000    0 Signed       4 SLPRDEV        Address of the integrated
                                        console's RDEV
0004    4 Signed       4 SLPRDPM#       The message number of the the
                                        currently active read prompt
0008    8 Address      4 SLPRDEVG       Integrated 3270 RDEV address
000C   12 Bitstring    1 SLPFLAG0
          .... ...1      SLPprep        X'01' SLPprep HCPSEIEN needs to
                                        prep SLPBK
          0000000D       SLPEND         * End of the SLPBK
 
 
  SLPBK Storage Layout Top of page
  
          
*** SLPBK - Service-call Logical Processor control block
*
*     +---------------------------+---------------------------+
*   0 |         SLPRDEV           |         SLPRDPM#          |
*     +---------------------------+------+--------------------+
*   8 |         SLPRDEVG          |:FLAG0| D
*     +---------------------------+------+
*
*** SLPBK - Service-call Logical Processor control block
 
 
  SLPBK Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
SLPprep        000C 01
SLPEND         000C 0000000D
SLPFLAG0       000C
SLPRDEV        0000
SLPRDEVG       0008
SLPRDPM#       0004
 
This information is based on z/VM 7.2.0 Last updated on 24 Jun 2020 at 09:30:34 EDT.
Copyright IBM Corporation, 1990, 2020