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

MRUSERDC

Prolog
Control Block Contents
Storage Layout
Cross Reference

MRUSERDC Prolog

 DSECT NAME - USERDC
 FUNCTION - Map a Monitor record.
 LOCATED BY -
        Through the Monitor Control Area
 REFERENCED CONTROL BLOCKS -
        MRRECHDR    Monitor Record Header
 NAME - MRUSERDC
 DESCRIPTIVE NAME - Monitor Event Record
                    Domain 4 - User Domain
                    Record 7 - DEFINE CPU n AS
 DESCRIPTION - Records a virtual CPU that has been defined
               by the DEFINE CPU n AS command.






MRUSERDC Control Block Contents


Offsets
Dec Hex  Type       Len  Name (Dim)          Description
 
  0   0  Structure   32  USERDC              Start of monitor record
  0   0  Character    0  USERDC_MRHDR        record header
  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  USERDC_VMDUSER      User identification
 28  1C  Unsigned     2  USERDC_VMDCPUAD     Old Processor address
 30  1E  Unsigned     2  USERDC_NEWCPUAD     New Processor address
 32  20  Character    0  USERDC_END          







MRUSERDC 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
USERDC                  0     32
USERDC_END             20      0
USERDC_MRHDR            0      0
USERDC_NEWCPUAD        1E      2
USERDC_VMDCPUAD        1C      2
USERDC_VMDUSER         14      8







This information is
based on z/VM V4R3.0.

Last updated on 1 May 2002 at 16:20:33.

Copyright IBM Corporation, 1990, 2002