NEQBK

Prolog  

Control Block Contents  
   NEQBK DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

NEQBK Prolog

 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.
 COMMENTS   : Data map is hand drawn.

NEQBK Control Block Content

NEQBK DSECT

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' General NEQ.
          .1.. ....      NEQSPECF       X'40' 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' Storage path zero for this
                                        cluster is configured in this
                                        storage director.
          .1.. ....      NEQSPONE       X'40' Storage path one for this
                                        cluster is configured in this
                                        storage director.
          .... ...1      NEQSCNUM       X'01' 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' Parallel Channel (including
                                        9034).
          .1.. ....      NEQECHAN       X'40' ESCON Channel.
          ..1. ....      NEQFCHAN       X'20' Fibre-extended channel
                                        (9034).
          ...1 ....      NEQFUNIT       X'10' Fibre-extended Control Unit
                                        (9035).
0012   18 Bitstring   14 *              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 *              Format Code.
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
0024   36 Signed       4 NEQCHPDS       Max number of CHPIDs for a device

NEQBK Storage Layout

          
*** NEQBK - Node Element Qualifier Block
*
*     +------+------+-------------+------+--------------------+
*   0 |:FLDID|:RECSL|  NEQINTID   |:DDTO |////////////////////|
*     +------+------+------+------+------+------+------+------+
*   8 |  NEQSSID    |:PCID |:UADD |NEQLDA|NEQPDA|:SAID |:ESLA-|
*     +------+------+------+------+------+------+------+------+
*  10 |-(00F)|NEQIPT|/////////////////////////////////////////|
*     +------+------+/////////////////////////////////////////|
*     |///////////////////////////////////////////////////////|
*     +------+--------------------+---------------------------+
*  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 |//////|//////|/////////////|///////////////////////////|
*     +------+------+-------------+---------------------------+
*   8 |//////|:PVBUA|/////////////////////////////////////////|
*     +------+------+/////////////////////////////////////////|
*     |///////////////////////////////////////////////////////|
*     |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
*  20
*
*** Overlay for NEQDATA in NEQBK

NEQBK Cross Reference

Symbol         Dspl Value
-------------- ---- -----
NEQCHPDS       0024
NEQCHPID       0020
NEQCPGID       000C
NEQDATA        0000
NEQDDTO        0004
NEQECHAN       0011 40
NEQECLVL       0014
NEQESLA        000F
NEQFCHAN       0011 20
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