ARIBK Back to Index page
 
Prolog 
Control Block Contents 
   ARIBK 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.


  ARIBK Prolog Top of page
  
 NAME       : HCPARIBK
 DESCRIPTION: Access Real Subsystem Information Block
 DSECT      : ARIBK
 FUNCTION   : Information block for a single Diagnose
              X'254' connection.
 LOCATED BY : VDEVARSI
 CREATED BY : HCPARS
 DELETED BY : HCPARS
 
 
  ARIBK Control Block Content Top of page
  




 ARIBK DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      ARIBK          Access Real Subsystem Information Block
0000    0 Dbl-Word     8 ARILOCK (3)    Lockword for ARIBK access
0018   24 Bitstring   14 ARISSID        Subsystem Id for connection
0026   38 Bitstring    1 ARIFLG1        Flag byte 1
          1... ....      ARITAPL        X'80' ARITAPL Tape library
                                        connection
0027   39 Bitstring    1 ARIFLG2        Flag byte 2
          1... ....      ARICLIP        X'80' ARICLIP Close function in
                                        progress
          .1.. ....      ARIREST        X'40' ARIREST Close function from
                                        reset processing
          ..1. ....      ARIUNSP        X'20' ARIUNSP Unsolicited status
                                        is pending
0028   40 Address      4 ARIIORL        Queue of pending AREXBKs (IORBKs)
                                        for this connection
002C   44 Address      4 ARIMSGL        Queue of pending ARIMSGEs for
                                        this connection
0030   48 Address      4 ARIUNSQ        Pointer to ARUBK for user
0034   52 Address      4 ARICREG        Pointer to register save area
                                        used during Close process
0038   56 Signed       4 ARIIOCT        Count of IORBKs on ARIIORL queue
003C   60 Bitstring   12 *              Reserved
          00000048       ARIBYLEN       *-ARIBK Byte length of ARIBK
          00000009       ARIDWSIZ       ((ARIBYLEN+7)/8) Doubleword
                                        length of ARIBK
 
 
  ARIBK Storage Layout Top of page
  
          
*** ARIBK - Access Real Subsystem Information Block
*
*     +-------------------------------------------------------+
*   0 |                                                       |
*     =                       ARILOCK                         =
*     |                                                       |
*     +-------------------------------------------------------+
*  18 |                       ARISSID                         |
*     |                                         +------+------+
*  20 |                                         |:FLG1 |:FLG2 |
*     +---------------------------+-------------+------+------+
*  28 |         ARIIORL           |         ARIMSGL           |
*     +---------------------------+---------------------------+
*  30 |         ARIUNSQ           |         ARICREG           |
*     +---------------------------+---------------------------+
*  38 |         ARIIOCT           |///////////////////////////|
*     +---------------------------+///////////////////////////|
*     |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
*  48
*
*** ARIBK - Access Real Subsystem Information Block
 
 
  ARIBK Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
ARIBYLEN       003C 00000048
ARICLIP        0027 80
ARICREG        0034
ARIDWSIZ       003C 00000009
ARIFLG1        0026
ARIFLG2        0027
ARIIOCT        0038
ARIIORL        0028
ARILOCK        0000
ARIMSGL        002C
ARIREST        0027 40
ARISSID        0018
ARITAPL        0026 80
ARIUNSP        0027 20
ARIUNSQ        0030
 
This information is based on z/VM 7.3.0 Last updated on 22 Jun 2022 at 15:47:22 EDT.
Copyright IBM Corporation, 1990, 2022