MRIODPMD

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