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 V4R4.0.
Last updated on 22 Jul 2003 at 15:04:23.
Copyright IBM Corporation, 1990, 2003