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
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    36  USERDC                 Start of monitor record
   0   0  Character     0  USERDC_MRHDR           record header
   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  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  Unsigned      1  USERDC_VMDPUTYP        Old CPU Type if a type
                                                  redefinition occurred or
                                                  blank (X'40) if not. Valid
                                                  values: X'00' - General
                                                  Purpose (CP) X'02' - zSeries
                                                  Application Assist (zAAP)
                                                  X'03' - Integrated Facility
                                                  for Linux (IFL) X'04' -
                                                  Internal Coupling Facility
                                                  (ICF) X'05' - zSeries
                                                  Integrated Information (zIIP)
  33  21  Unsigned      1  USERDC_NEWPUTYP        New CPU Type. See
                                                  USERDC_VMDPUTYP for valid
                                                  values
  34  22  Bitstring     1  USERDC_VMDCFGEM        Virtual configuration
                                                  indicators. Valid in base
                                                  VMDBK only
          1... ....        *
          .1.. ....        USERDC_VMDCPUAF         User requested CPU
                                                  Affinity
          ..1. ....        *
          ...1 ....        *
          .... 1...        *
          .... .1..        *
          .... ..1.        *
          .... ...1        *
  35  23  Bitstring     1  USERDC_VMDPUST         CPU Status flag
          1... ....        USERDC_VMDAFSUP         CPU Affinity suppressed
          .1.. ....        *
          ..1. ....        *
          ...1 ....        *
          .... 1...        *
          .... .1..        *
          .... ..1.        *
          .... ...1        *
  36  24  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     36
USERDC_END                24      0
USERDC_MRHDR               0      0
USERDC_NEWCPUAD           1E      2
USERDC_NEWPUTYP           21      1
USERDC_VMDAFSUP           23           80
USERDC_VMDCFGEM           22      1
USERDC_VMDCPUAD           1C      2
USERDC_VMDCPUAF           22           40
USERDC_VMDPUST            23      1
USERDC_VMDPUTYP           20      1
USERDC_VMDUSER            14      8

This information is
based on z/VM V7R3.0.

Last updated on 09 September 2022 at 12:33:05.

Copyright IBM Corporation, 1990, 2022