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