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