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Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. |
NEQBK
Control Block Contents
NEQBK DSECT
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.
RELOCATION CONSIDERATIONS : None
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' 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
*** 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
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
Copyright IBM Corporation, 1990, 2011