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               record length in bytes
  2   2  Unsigned     2  MRHDRZER               field of zeros
  4   4  Unsigned     1  MRHDRDM                domain identifier
  5   5  Unsigned     1  *                      
  6   6  Unsigned     2  MRHDRRC                record identifier
  8   8  Character    8  MRHDRTOD               Time at which this record was
                                                built. In time-of-day (TOD)
                                                clock format. See IBM System
                                                370 XA Principle of Operation
                                                for explanation of format.
 16  10  Character    4  *                      
 20  14  Character    0  MRHDR_END              End of header
 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 V5R4.0.

Last updated on 5 Sep 2008 at 09:11:41.

Copyright IBM Corporation, 1990, 2008