NEQBK Back to Index page
 
Prolog 
Control Block Contents 
   NEQBK 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.


  NEQBK Prolog Top of page
 
 NAME       : HCPNEQBK
 DESCRIPTION: Node Element Qualifier Block
 DSECT      : NEQBK
 FUNCTION   : Describes the Contents of a Node Element
              Qualifier.
 LOCATED BY : For General NEQ - A NEDBK which uses the Boeblingen
              Buiding Blocks to point to the NEQBK
 CREATED BY : HCPCDT - Configuration Data Table Services
 DELETED BY : None.
 SERIALIZED : This block will be serialized by the RDEV lock.
 RELOCATION CONSIDERATIONS : None
 COMMENTS   : Data map is hand drawn.
 
 
  NEQBK Control Block Content Top of page
 

 NEQBK DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure NEQBK Node Element Qualifier Block 0000 0 Bitstring 32 NEQDATA (0) Node Element Data 0000 0 Bitstring 1 NEQFLAGS (0) FLAGS. 0000 0 Bitstring 1 NEQFLDID Field ID. 1... .... NEQGENRL X'80' NEQGENRL General NEQ. .1.. .... NEQSPECF X'40' NEQSPECF Specific NEQ. 0001 1 Bitstring 1 NEQRECSL Record Selector. For 3490 this indicates which control unit this path is connected to. 0002 2 Bitstring 2 NEQINTID Interface ID. 0004 4 Bitstring 1 NEQDDTO Device-dependent time out. 0005 5 Bitstring 3 * Reserved for future IBM use. 0008 8 Bitstring 2 NEQSSID Subsystem ID. 000A 10 Bitstring 1 NEQPCID Paths/Cluster ID. 1... .... NEQSPZER X'80' NEQSPZER Storage path zero for this cluster is configured in this storage director. .1.. .... NEQSPONE X'40' NEQSPONE Storage path one for this cluster is configured in this storage director. .... ...1 NEQSCNUM X'01' NEQSCNUM Storage cluster number 000B 11 Bitstring 1 NEQUADD Unit address. 000C 12 Bitstring 1 NEQLDA Logical Device address. 000D 13 Bitstring 1 NEQPDA Physical Device address. 000E 14 Bitstring 1 NEQSAID SA ID. 000F 15 Bitstring 2 NEQESLA ESCON Link Address. 0011 17 Bitstring 1 NEQIPT Interface Protocol Type. 1... .... NEQPCHAN X'80' NEQPCHAN Parallel Channel (including 9034). .1.. .... NEQECHAN X'40' NEQECHAN ESCON Channel. ..1. .... NEQFCHAN X'20' NEQFCHAN Fibre-extended channel (9034). ...1 .... NEQFUNIT X'10' NEQFUNIT Fibre-extended Control Unit (9035). .... 1... NEQFIBRE X'08' NEQFIBRE Fibre channel 0012 18 Bitstring 1 * Reserved for future IBM use. 0013 19 Bitstring 1 NEQFIBUA Unit Address (Fibre) 0014 20 Bitstring 4 * Reserved for future IBM use. 0018 24 Bitstring 1 NEQB24 General NEQ Byte 24 0019 25 Bitstring 1 NEQB25 General NEQ Byte 25 001A 26 Bitstring 6 * Reserved for future IBM use. 0020 32 Bitstring 1 NEQCHPID Channel Path ID. 0021 33 Bitstring 3 * Reserved for future IBM use. 00000024 NEQLEN (*-NEQBK) NEQBK size in bytes. 00000005 NEQSIZE (*-NEQBK+7)/8 NEQBK size in doublewords * Subsystem ID redefinition for tape devices 0008 8 Bitstring 1 NEQSTRID String ID for 3490 * Switch NEQDATA redefinition 0000 0 Bitstring 8 * Same as defined in NEQDATA 0008 8 Bitstring 4 NEQNUMLP Number of logical paths 000C 12 Bitstring 2 NEQCPGID Code Page Global ID 000E 14 Bitstring 2 NEQGCSID Graphic Character Set Global ID 0010 16 Bitstring 4 NEQRSRVD Reserved for future IBM use 0014 20 Bitstring 7 NEQECLVL Box EC Level Identifier 001B 27 Bitstring 1 * Reserved for future IBM use 001C 28 Bitstring 4 NEQLICVR Licensed Internal Code Version and Release * Specific NEQ for a volume NED of a parallel access * volume. 0000 0 Bitstring 1 * Same as defined in NEQDATA 0001 1 Bitstring 1 * Reserved for future IBM use 0002 2 Bitstring 2 NEQBYTE2 NEQBK Byte 2 0004 4 Bitstring 4 * Reserved for future IBM use 0008 8 Bitstring 1 * DASD Specific Unit Address flags. 0009 9 Bitstring 1 NEQPVBUA Parallel volume base unit address. 000A 10 Bitstring 22 * Reserved for future IBM use DASD ESCON NEQ mapping 0000 0 Bitstring 1 * Same as defined in NEQDATA 0001 1 Bitstring 1 NEQDEBY01 Record Selector - set to 0 0002 2 Bitstring 2 NEQDEIID Interface ID. Bytes 2-3 0004 4 Bitstring 1 NEQDEDDT Device-dependent time out 0005 5 Bitstring 1 * Reserved for future IBM use 0006 6 Bitstring 1 NEQDEPMIT Pri missing int timer interval 0007 7 Bitstring 1 NEQDESMIT Sec missing int timer interval 0008 8 Bitstring 2 NEQDESSID Subsystem ID. bytes 8-9 000A 10 Bitstring 1 * Reserved for future IBM use 000B 11 Bitstring 1 NEQDEUAD Unit address. byte 11 000C 12 Bitstring 1 NEQDEPDID Physical device addr byte 12 000D 13 Bitstring 1 NEQDEPDA Physical Device addr byte 13 000E 14 Bitstring 1 * Reserved for future IBM use 000F 15 Bitstring 2 NEQDEESLA ESCON Link Addr bytes 15-16 0011 17 Bitstring 1 * Same as defined in NEQDATA 0012 18 Bitstring 1 NEQDEFMT NEQ format flags byte 18 1... .... NEQDEFMT0 X'80' NEQDEFMT0 Byte 12 is physical device id .1.. .... NEQDEFMT1 X'40' NEQDEFMT1 Bytes 28-31 valid .... .111 NEQDEFMT5 X'07' NEQDEFMT5 Path accessability 0013 19 Bitstring 1 NEQDELDA Logical device addres byte 19 0014 20 Bitstring 4 * Reserved for PAV bytes 20-23 0018 24 Bitstring 2 NEQDESAID SA ID bytes 24-25 001A 26 Bitstring 2 * Reserved for future IBM use 001C 28 Bitstring 4 NEQDENLP Number of logical paths DASD FICON NEQ mapping 0000 0 Bitstring 1 * Same as defined in NEQDATA 0001 1 Bitstring 1 NEQDFBY01 Record Selector - set to 0 0002 2 Bitstring 2 NEQDFIID Interface ID. Bytes 2-3 0004 4 Bitstring 1 NEQDFDDT Device-dependent time out 0005 5 Bitstring 1 * Reserved for future IBM use 0006 6 Bitstring 1 NEQDFPMIT Pri missing int timer interval 0007 7 Bitstring 1 NEQDFSMIT Sec missing int timer interval 0008 8 Bitstring 2 NEQDFSSID Subsystem ID. bytes 8-9 000A 10 Bitstring 2 NEQDFLPM Logical path num bytes 10-11 000C 12 Bitstring 3 NEQDFHFCA Host, fiber channel address 000F 15 Bitstring 1 NEQDFHCLA Host channel logical address 0010 16 Bitstring 1 * Reserved for future IBM use 16 0011 17 Bitstring 1 * Same as defined in NEQDATA 0012 18 Bitstring 1 * Same as NEQDEFMT byte 18 0013 19 Bitstring 1 NEQDFLA Logical address byte 19 0014 20 Bitstring 4 * Reserved for PAV bytes 20-23 0018 24 Bitstring 2 NEQDFSAID SA ID bytes 24-25 001A 26 Bitstring 2 * Reserved for future IBM use 001C 28 Bitstring 4 NEQDFNLP Number of logical paths 0024 36 Signed 4 NEQCHPDS Max number of CHPIDs for a device
 
 
  NEQBK Storage Layout Top of page
 
          
*** NEQBK - Node Element Qualifier Block
*
*     +------+------+-------------+------+--------------------+
*   0 |:FLDID|:RECSL|  NEQINTID   |:DDTO |////////////////////|
*     +------+------+------+------+------+------+------+------+
*   8 |  NEQSSID    |:PCID |:UADD |NEQLDA|NEQPDA|:SAID |:ESLA-|
*     +------+------+------+------+------+------+------+------+
*  10 |-(00F)|NEQIPT|//////|:FIBUA|///////////////////////////|
*     +------+------+------+------+---------------------------+
*  18 |NEQB24|NEQB25|/////////////////////////////////////////|
*     +------+------+-------------+---------------------------+
*  20 |:CHPID|////////////////////|         NEQCHPDS          |
*     +------+--------------------+---------------------------+
*  28
*
*** NEQBK - Node Element Qualifier Block
          
*** Overlay for NEQSSID in NEQBK
*
*     +------+
*   8 |:STRID| 9
*     +------+
*
*** Overlay for NEQSSID in NEQBK
          
*** Overlay for NEQDATA in NEQBK
*
*     +-------------------------------------------------------+
*   0 |///////////////////////////////////////////////////////|
*     +---------------------------+-------------+-------------+
*   8 |         NEQNUMLP          |  NEQCPGID   |  NEQGCSID   |
*     +---------------------------+-------------+-------------+
*  10 |         NEQRSRVD          |        NEQECLVL-          |
*     +--------------------+------+---------------------------+
*  18 |      -(014)        |//////|         NEQLICVR          |
*     +--------------------+------+---------------------------+
*  20
*
*** Overlay for NEQDATA in NEQBK
          
*** Overlay for NEQDATA in NEQBK
*
*     +------+------+-------------+---------------------------+
*   0 |//////|//////|  NEQBYTE2   |///////////////////////////|
*     +------+------+-------------+---------------------------+
*   8 |//////|:PVBUA|/////////////////////////////////////////|
*     +------+------+/////////////////////////////////////////|
*     |///////////////////////////////////////////////////////|
*     |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
*  20
*
*** Overlay for NEQDATA in NEQBK
          
*** Overlay for NEQDATA in NEQBK
*
*     +------+------+-------------+------+------+------+------+
*   0 |//////|(001) |  NEQDEIID   |:DEDDT|//////|(006) |(007) |
*     +------+------+------+------+------+------+------+------+
*   8 | NEQDESSID   |//////|:DEUAD|(00C) |:DEPDA|//////|(00F)-|
*     +------+------+------+------+------+------+------+------+
*  10 |-(00F)|//////|:DEFMT|:DELDA|///////////////////////////|
*     +------+------+------+------+---------------------------+
*  18 | NEQDESAID   |/////////////|         NEQDENLP          |
*     +-------------+-------------+---------------------------+
*  20
*
*** Overlay for NEQDATA in NEQBK
          
*** Overlay for NEQDATA in NEQBK
*
*     +------+------+-------------+------+------+------+------+
*   0 |//////|(001) |  NEQDFIID   |:DFDDT|//////|(006) |(007) |
*     +------+------+-------------+------+------+------+------+
*   8 | NEQDFSSID   |  NEQDFLPM   |     NEQDFHFCA      |(00F) |
*     +------+------+------+------+--------------------+------+
*  10 |//////|//////|//////|:DFLA |///////////////////////////|
*     +------+------+------+------+---------------------------+
*  18 | NEQDFSAID   |/////////////|         NEQDFNLP          |
*     +-------------+-------------+---------------------------+
*  20
*
*** Overlay for NEQDATA in NEQBK
 
 
  NEQBK Cross Reference Top of page
 
 
Symbol         Dspl Value
-------------- ---- -----
NEQBYTE2       0002
NEQB24         0018
NEQB25         0019
NEQCHPDS       0024
NEQCHPID       0020
NEQCPGID       000C
NEQDATA        0000
NEQDDTO        0004
NEQDEBY01      0001
NEQDEDDT       0004
NEQDEESLA      000F
NEQDEFMT       0012
NEQDEFMT0      0012 80
NEQDEFMT1      0012 40
NEQDEFMT5      0012 07
NEQDEIID       0002
NEQDELDA       0013
NEQDENLP       001C
NEQDEPDA       000D
NEQDEPDID      000C
NEQDEPMIT      0006
NEQDESAID      0018
NEQDESMIT      0007
NEQDESSID      0008
NEQDEUAD       000B
NEQDFBY01      0001
NEQDFDDT       0004
NEQDFHCLA      000F
NEQDFHFCA      000C
NEQDFIID       0002
NEQDFLA        0013
NEQDFLPM       000A
NEQDFNLP       001C
NEQDFPMIT      0006
NEQDFSAID      0018
NEQDFSMIT      0007
NEQDFSSID      0008
NEQECHAN       0011 40
NEQECLVL       0014
NEQESLA        000F
NEQFCHAN       0011 20
NEQFIBRE       0011 08
NEQFIBUA       0013
NEQFLAGS       0000
NEQFLDID       0000
NEQFUNIT       0011 10
NEQGCSID       000E
NEQGENRL       0000 80
NEQINTID       0002
NEQIPT         0011
NEQLDA         000C
NEQLEN         0021 00000024
NEQLICVR       001C
NEQNUMLP       0008
NEQPCHAN       0011 80
NEQPCID        000A
NEQPDA         000D
NEQPVBUA       0009
NEQRECSL       0001
NEQRSRVD       0010
NEQSAID        000E
NEQSCNUM       000A 01
NEQSIZE        0021 00000005
NEQSPECF       0000 40
NEQSPONE       000A 40
NEQSPZER       000A 80
NEQSSID        0008
NEQSTRID       0008
NEQUADD        000B
 
This information is based on z/VM 7.3.0 Last updated on 22 Jun 2022 at 15:53:04 EDT.
Copyright IBM Corporation, 1990, 2022