Programming Interface Information:
The Monitor Records are intended Programming Interfaces that
allow the customer to write programs to obtain services of z/VM.

MRSTOVDK

Prolog
Control Block Contents
Cross Reference

MRSTOVDK Prolog

 DSECT NAME - STOVDK
 FUNCTION - Map a Monitor record.
 LOCATED BY -
        Through the Monitor Control Area
 REFERENCED CONTROL BLOCKS -
        MRRECHDR    Monitor Record Header
 NAME - MRSTOVDK
 DESCRIPTIVE NAME - Monitor Sample Record
                    Domain 3  - Storage Domain
                    Record 17 - virtual disk in storage
 DESCRIPTION - Information concerning usage of virtual disks in
               storage.  Once record for each disk.

MRSTOVDK Control Block Contents

Offsets
Dec  Hex  Type        Len  Name (Dim)             Description
 
   0   0  Structure    68  STOVDK                 Start of monitor record
   0   0  Character     0  STOVDK_MRHDR           Record header. See MRRECHDR
                                                  for details.
   0   0  Character    20  MRHDR                  
   0   0  Unsigned      2  MRHDRLEN               
   2   2  Unsigned      2  MRHDRZER               
   4   4  Unsigned      1  MRHDRDM                
   5   5  Unsigned      1  *                      
   6   6  Unsigned      2  MRHDRRC                
   8   8  Character     8  MRHDRTOD               
  16  10  Character     4  *                      
  20  14  Character     0  MRHDR_END              
  20  14  Character     8  STOVDK_MDIOUSER        Owning userid, padded on
                                                  the right with blanks.
  28  1C  Character    24  STOVDK_QDISNAME        Address space name
                                                  associated with this virtual
                                                  disk in storage, padded on
                                                  the right with blanks.
  52  34  Unsigned      2  STOVDK_MDIOVDEV        VDEV number of the virtual
                                                  disk in storage.
  54  36  Bitstring     1  STOVDK_CALFLAG         Flag byte.
          1... ....        *                       
          .1.. ....        *                       
          ..1. ....        *                       
          ...1 ....        *                       
          .... 1...        STOVDK_MDIQDSKP         This is a private virtual
                                                  disk in storage.
          .... .1..        *                       
          .... ..1.        *                       
          .... ...1        *                       
  55  37  Character     1  *                      Reserved for IBM use.
  56  38  Unsigned      4  STOVDK_MDILINKS        Number of links to this
                                                  disk
  60  3C  Unsigned      4  STOVDK_CALSIZE         Size of disk in 512 byte
                                                  blocks.
  64  40  Unsigned      4  STOVDK_QDIIOCNT        Count of virtual I/Os to
                                                  this virtual disk in storage.
  68  44  Character     0  STOVDK_END

MRSTOVDK Cross Reference

                      Hex           Hex
Name                  Offset Length Value 
 
MRHDR                      0     20
MRHDR_END                 14      0
MRHDRDM                    4      1
MRHDRLEN                   0      2
MRHDRRC                    6      2
MRHDRTOD                   8      8
MRHDRZER                   2      2
STOVDK                     0     68
STOVDK_CALFLAG            36      1
STOVDK_CALSIZE            3C      4
STOVDK_END                44      0
STOVDK_MDILINKS           38      4
STOVDK_MDIOUSER           14      8
STOVDK_MDIOVDEV           34      2
STOVDK_MDIQDSKP           36           08
STOVDK_MRHDR               0      0
STOVDK_QDIIOCNT           40      4
STOVDK_QDISNAME           1C     24

This information is
based on z/VM V6R4.0.

Last updated on 5 Oct 2016 at 10:14:39.

Copyright IBM Corporation, 1990, 2016