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

#### MRIODMDV

Prolog
Control Block Contents
Cross Reference

#### MRIODMDV Prolog

     DSECT NAME - IODMDV
     FUNCTION - Map a Monitor record.
     LOCATED BY -
            Through the Monitor Control Area
     REFERENCED CONTROL BLOCKS -
            MRRECHDR    Monitor Record Header
     NAME - MRIODMDV
     DESCRIPTIVE NAME - Monitor Event Record
                        Domain  6 - I/O Domain
                        Record 16 - Modify Device
     DESCRIPTION - Indicates that a Modify Device command has changed
                   an existing device.

#### MRIODMDV Control Block Contents

    Offsets
    Dec  Hex  Type        Len  Name (Dim)             Description

       0   0  Structure    36  IODMDV                 Start of monitor record
       0   0  Character     0  IODMDV_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  Unsigned      4  IODMDV_RDEVSID         Host subchannel I.D. number
                                                      defined at initialization
      24  18  Unsigned      2  IODMDV_RDEVDEV         Device number
      26  1A  Bitstring     1  IODMDV_RDEVPIM         Path installed mask
      27  1B  Bitstring     1  IODMDV_RDEVPAM         Path available mask
      28  1C  Character     8  IODMDV_RDEVCHPS        The eight channel path IDs
                                                      available to access a device
      36  24  Character     0  IODMDV_END

#### MRIODMDV Cross Reference

                          Hex           Hex
    Name                  Offset Length Value

    IODMDV                     0     36
    IODMDV_END                24      0
    IODMDV_MRHDR               0      0
    IODMDV_RDEVCHPS           1C      8
    IODMDV_RDEVDEV            18      2
    IODMDV_RDEVPAM            1B      1
    IODMDV_RDEVPIM            1A      1
    IODMDV_RDEVSID            14      4
    MRHDR                      0     20
    MRHDR_END                 14      0
    MRHDRDM                    4      1
    MRHDRLEN                   0      2
    MRHDRRC                    6      2
    MRHDRTOD                   8      8
    MRHDRZER                   2      2

    This information is
    based on z/VM V7R2.0.

    Last updated on 09 August 2020 at 16:08:34.

    Copyright IBM Corporation, 1990, 2020