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

#### MRUSEDTC

Prolog
Control Block Contents
Cross Reference

#### MRUSEDTC Prolog

     DSECT NAME - USEDTC
     FUNCTION - Map a Monitor record.
     LOCATED BY -
            Through the Monitor Control Area
     REFERENCED CONTROL BLOCKS -
            MRRECHDR    Monitor Record Header
     NAME - MRUSEDTC
     DESCRIPTIVE NAME - Monitor Event Record
                        Domain 4 - User Domain
                        Record 6 - DETACH CPU
     DESCRIPTION - Records a virtual CPU that has been detached
                   by the DETACH CPU command.

#### MRUSEDTC Control Block Contents

    Offsets
    Dec  Hex  Type        Len  Name (Dim)             Description

       0   0  Structure    32  USEDTC                 Start of monitor record
       0   0  Character     0  USEDTC_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  USEDTC_VMDUSER         User identification
      28  1C  Unsigned      2  USEDTC_VMDCPUAD        Processor address being
                                                      detached
      30  1E  Unsigned      1  USEDTC_VMDPUTYP        CPU Type. 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)
      31  1F  Character     1  *                      Reserved for IBM use
      32  20  Character     0  USEDTC_END

#### MRUSEDTC 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
    USEDTC                     0     32
    USEDTC_END                20      0
    USEDTC_MRHDR               0      0
    USEDTC_VMDCPUAD           1C      2
    USEDTC_VMDPUTYP           1E      1
    USEDTC_VMDUSER            14      8

    This information is
    based on z/VM V7R2.0.

    Last updated on 08 August 2020 at 14:44:41.

    Copyright IBM Corporation, 1990, 2020