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Prolog 
Control Block Contents 
   NSSBK 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.


  NSSBK Prolog Top of page
 
 NAME       : HCPNSSBK
 DESCRIPTION: SAVESEG/SAVESYS parameter control block
 DSECT      : NSSBK
 FUNCTION   : The HCPNSSBK is a parameter area used for
              SAVESEG/SAVESYS.
 LOCATED BY : None
 CREATED BY : HCPNSS
 DELETED BY : HCPNSS
 RELOCATION CONSIDERATIONS : None
 
 
  NSSBK Control Block Content Top of page
 

 NSSBK DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure NSSBK SAVESEG/SAVESYS parameter control block 0000 0 Bitstring 1 NSSWRKFG Work flag .... ...1 NSSAVSEG X'01' NSSAVSEG Indicates a SAVESEG command .... ..1. NSSAVSYS X'02' NSSAVSYS Indicates a SAVESYS command .... .1.. NSSVSNTQ X'04' NSSVSNTQ Indicates that a SNTBK is placed on Saveseg/Savesys SNTBK queue .... 1... NSSERRCL X'08' NSSERRCL Indicates that an error was detected when closing the SDF ...1 .... NSSDFOPN X'10' NSSDFOPN Indicates the SDF found by HCPSDFSC is open ..1. .... NSSNOTFD X'20' NSSNOTFD Indicates that the system specified in the SAVESYS cmd was not found 0001 1 Bitstring 1 NSSTATFG Status flag 1... .... NSSSSPOR X'80' NSSSSPOR Indicates that the segment space's SDF was found opened for read .1.. .... NSSSSPOP X'40' NSSSSPOP Indicates that the segment space's SDF was found opened 0002 2 Bitstring 1 NSSLCKFG *NSS SDF queue lock status 1... .... NSSSDFEX X'80' NSSSDFEX Indicates that the *NSS SDF queue lock is held exclusively ..1. .... NSSSDFNO X'20' NSSSDFNO Indicates that the *NSS SDF queue lock is not held 0003 3 Bitstring 1 * Reserved for IBM furture usage 00000001 NSSBKDSZ (*-NSSBK+7)/8 NSSBK block size in DW's 00000004 NSSBKBSZ (*-NSSBK) NSSBK block size in bytes
 
 
  NSSBK Storage Layout Top of page
 
 
*** NSSBK - SAVESEG/SAVESYS parameter control block
*
*     +------+------+------+------+
*   0 |:WRKFG|:TATFG|:LCKFG|//////| 4
*     +------+------+------+------+
*
*** NSSBK - SAVESEG/SAVESYS parameter control block
 
 
  NSSBK Cross Reference Top of page
 
 
Symbol         Dspl Value
-------------- ---- -----
NSSAVSEG       0000 01
NSSAVSYS       0000 02
NSSBKBSZ       0003 00000004
NSSBKDSZ       0003 00000001
NSSDFOPN       0000 10
NSSERRCL       0000 08
NSSLCKFG       0002
NSSNOTFD       0000 20
NSSSDFEX       0002 80
NSSSDFNO       0002 20
NSSSSPOP       0001 40
NSSSSPOR       0001 80
NSSTATFG       0001
NSSVSNTQ       0000 04
NSSWRKFG       0000
 
This information is based on z/VM 6.4.0 Last updated on 24 Aug 2016 at 09:27:20 EDT.
Copyright IBM Corporation, 1990, 2016