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

#### MRIODPMD

Prolog
Control Block Contents
Cross Reference

#### MRIODPMD Prolog

     DSECT NAME - IODPMD
     FUNCTION - Map a Monitor record.
     LOCATED BY -
            Through the Monitor Control Area
     REFERENCED CONTROL BLOCKS -
            MRRECHDR    Monitor Record Header
     NAME - MRIODPMD
     DESCRIPTIVE NAME - Monitor Event Record
                        Domain 6 - I/O Domain
                        Record 44 - Modify PCI Function
     DESCRIPTION - Indicates that selected program-modifiable controls
                   of specified PCI function are modified.
     NOTES:
       Values for IODPMD_MODOP:
          4 - DMA register
          5 - DMA unregister
          6 - DMA re-register

#### MRIODPMD Control Block Contents

    Offsets
    Dec  Hex  Type        Len  Name (Dim)             Description

       0   0  Structure    56  IODPMD
       0   0  Character     0  IODPMD_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  Unsigned      4  IODPMD_RPCIPFID        Real PCI function ID
      24  18  Unsigned      4  IODPMD_VPCIPFID        Virtual PCI function ID
      28  1C  Character     8  IODPMD_VMDUSER         Userid function attached to
      36  24  Character     1  IODPMD_MODOP           Modify operation
      37  25  Character     1  IODPMD_FIBKYDTH        Host table type. Valid for
                                                      operation DMA register and
                                                      reregister. Zero for DMA
                                                      unregister.
      38  26  Character     1  IODPMD_FIBKYDTG        Guest table type. Valid for
                                                      operation DMA register and
                                                      reregister. Zero for DMA
                                                      unregister.
      39  27  Character     1  *                      Reserved and available for
                                                      IBM use
      40  28  Character     8  IODPMD_FIBPBA          DMA base address.Valid for
                                                      operation DMA register and
                                                      reregister.Zero for DMA
                                                      unregister.
      48  30  Character     8  IODPMD_FIBPAL          DMA address limit.Valid for
                                                      operation DMA register and
                                                      reregister.Zero for DMA
                                                      unregister.
      56  38  Character     0  IODPMD_END

#### MRIODPMD Cross Reference

                          Hex           Hex
    Name                  Offset Length Value

    IODPMD                     0     56
    IODPMD_END                38      0
    IODPMD_FIBKYDTG           26      1
    IODPMD_FIBKYDTH           25      1
    IODPMD_FIBPAL             30      8
    IODPMD_FIBPBA             28      8
    IODPMD_MODOP              24      1
    IODPMD_MRHDR               0      0
    IODPMD_RPCIPFID           14      4
    IODPMD_VMDUSER            1C      8
    IODPMD_VPCIPFID           18      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 16:19:14.

    Copyright IBM Corporation, 1990, 2020