VRYBK Back to Index page
 
Prolog 
Control Block Contents 
   VRYBK 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.


  VRYBK Prolog Top of page
  
 NAME       : HCPVRYBK
 DESCRIPTION: VARY Command Control area
 DSECT      : VRYBK
 FUNCTION   : The VRYBK contains information used during
              VARY processing.
 LOCATED BY : SYSVRYBK
 CREATED BY : HCPCPS
 DELETED BY : none
 
 
  VRYBK Control Block Content Top of page
  




 VRYBK DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      VRYBK          VARY Command Control area
0000    0 Dbl-Word     8 VRYLOCKW (3)   Lockword for HCPLCK
0018   24 Signed       4 VRYFLAGS (0)   Label for Compare-and-Swap
0018   24 Bitstring    1 VRYFLAG1       Flags, byte 1
          1... ....      VRYON          X'80' VRYON VARY ONLINE was
                                        issued
          .1.. ....      VRYOFF         X'40' VRYOFF VARY OFFLINE was
                                        issued
0019   25 Bitstring    1 VRYFLAG2       Flags, byte 2
001A   26 Bitstring    1 VRYFLAG3       Flags, byte 3
001B   27 Bitstring    1 VRYFLAG4       Flags, byte 4
001C   28 Bitstring    4 *              Reserved
0020   32 Character    8 VRYNFUID       Userid who issued VARY ON|OFF
0028   40 Character    8 *              Reserved
          00000030       VRYSIZEB       (*-VRYBK) Size in bytes
          00000006       VRYSIZED       (*-VRYBK+7)/8 Size in d-words
 
 
  VRYBK Storage Layout Top of page
  
          
*** VRYBK - VARY Command Control area
*
*     +-------------------------------------------------------+
*   0 |                                                       |
*     =                       VRYLOCKW                        =
*     |                                                       |
*     +------+------+------+------+---------------------------+
*  18 |:FLAG1|:FLAG2|:FLAG3|:FLAG4|///////////////////////////|
*     +------+------+------+------+---------------------------+
*  20 |                       VRYNFUID                        |
*     +-------------------------------------------------------+
*  28 |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
*  30
*
*** VRYBK - VARY Command Control area
 
 
  VRYBK Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
VRYFLAGS       0018
VRYFLAG1       0018
VRYFLAG2       0019
VRYFLAG3       001A
VRYFLAG4       001B
VRYLOCKW       0000
VRYNFUID       0020
VRYOFF         0018 40
VRYON          0018 80
VRYSIZEB       0028 00000030
VRYSIZED       0028 00000006
 
This information is based on z/VM 7.3.0 Last updated on 22 Jun 2022 at 15:57:59 EDT.
Copyright IBM Corporation, 1990, 2022