Programming Interface Information: This information is NOT intended to be
used as Programming Interfaces of VM/ESA. It is to be used for diagnosis only.

NSDBK

Prolog  

Control Block Contents  

NSDBK DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

NSDBK Prolog

 NAME       : HCPNSDBK
 DESCRIPTION: DEFSEG/DEFSYS parameter control block
 DSECT      : NSDBK
 FUNCTION   : The HCPNSDBK is a parameter area used for
              DEFSEG/DEFSYS.
 LOCATED BY : None
 CREATED BY : HCPNSD
 DELETED BY : HCPNSD

 

NSDBK Control Block Content


NSDBK DSECT

Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure NSDBK DEFSEG/DEFSYS parameter control block 0000 0 Bitstring 1 NSDOPTFG Operand/option flag ...1 .... NSDMINSZ X'10' If on, indicates MINSIZE operand was specified. ..1. .... NSDPREGS X'20' If on, indicates PARMREGS operand was already specified .1.. .... NSDSAMER X'40' If on, indicates that SAMErange operand was already specified 1... .... NSDSSP X'80' If on, indicates that the SPACE operand was already specified 0001 1 Bitstring 1 NSDERRFG Error flag 1... .... NSDMSSCL X'80' Indicate that the MSS (R8) SDFBK is to be closed .1.. .... NSDMSSPU X'40' Indicate that the MSS (R9) SDFBK is to be purged ..1. .... NSDSSPCL X'20' Indicate that the SSP (R8) SDFBK is to be closed ...1 .... NSDSSPPU X'10' Indicate that the SSP (R8) SDFBK is to be purged .... 1... NSDNOMSG X'08' Indicates to exit without sending a message 0002 2 Bitstring 1 NSDSTAFG Status flag 1... .... NSDMSSOR X'80' Indicates that the member was found opened for reads .1.. .... NSDNEWSP X'40' Indicates a new SSP created. No need to return frame from the call to HCPNSCFA. ..1. .... NSDSSPOR X'20' Indicates that the segment space was found opened for read 0003 3 Bitstring 1 NSDLCKFG *NSS SDF queue lock status 1... .... NSDSDFEX X'80' Indicates that the *NSS SDF queue lock is held exclusively ..1. .... NSDSDFNO X'20' Indicates that the *NSS SDF queue lock is not held 00000001 NSDBKDSZ (*-NSDBK+7)/8 NSDBK block size in DW's 00000004 NSDBKBSZ (*-NSDBK) NSDBK block size in bytes

 

NSDBK Storage Layout

*** NSDBK - DEFSEG/DEFSYS parameter control block
*
*     +------+------+------+------+
*   0 |:OPTFG|:ERRFG|:STAFG|:LCKFG| 4
*     +------+------+------+------+
*
*** NSDBK - DEFSEG/DEFSYS parameter control block

 

NSDBK Cross Reference

(contains links to field and bit definitions)
Symbol         Dspl Value
-------------- ---- -----

NSDBKBSZ 0003 00000004

NSDBKDSZ 0003 00000001

NSDERRFG 0001

NSDLCKFG 0003

NSDMINSZ 0000 10

NSDMSSCL 0001 80

NSDMSSOR 0002 80

NSDMSSPU 0001 40

NSDNEWSP 0002 40

NSDNOMSG 0001 08

NSDOPTFG 0000

NSDPREGS 0000 20

NSDSAMER 0000 40

NSDSDFEX 0003 80

NSDSDFNO 0003 20

NSDSSP 0000 80

NSDSSPCL 0001 20

NSDSSPOR 0002 20

NSDSSPPU 0001 10

NSDSTAFG 0002


This information is based on VM/ESA 2.4.0.
Last updated on 3 Aug 1999 at 12:17:35 EDT.
Copyright IBM Corporation, 1990, 1999