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               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  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 V5R3.0.
Last updated on 12 Jun 2007 at 12:35:23.
Copyright IBM Corporation, 1990, 2007