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

#### MRSCLIOP

Prolog
Control Block Contents
Cross Reference

#### MRSCLIOP Prolog

     DSECT NAME - SCLIOP
     FUNCTION - Map a Monitor record.
     LOCATED BY -
               Through the Monitor Control Area
     REFERENCED CONTROL BLOCKS -
            MRRECHDR    Monitor Record Header
     NAME - MRSCLIOP
     DESCRIPTIVE NAME - Monitor Event Record
                        Domain 2 - Scheduler Domain
                        Record 11 - I/O Priority Change
     DESCRIPTION - Records I/O Priority change to a user.  A
                   user's I/O priority may change when a system
                   change occurs.  A system change occurs when
                   the system operator changes the I/O priority
                   status on the system console.  A user change
                   can also occur when a SET IOPRIORITY command
                   is issued specifying this user, or user logs
                   on and has a IOPRIORITY directory statement.
                   This record is generated only if the user
                   who is the target of the command is enabled
                   for scheduler domain (not to be confused
                   with the user that issued the command).

#### MRSCLIOP Control Block Contents

    Offsets
    Dec  Hex  Type        Len  Name (Dim)             Description

       0   0  Structure    40  SCLIOP                 Start of monitor record
       0   0  Character     0  SCLIOP_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  SCLIOP_VMDUSER         Userid
      28  1C  Unsigned      4  SCLIOP_IPQUPR1         HCPIPQUP input R1
      28  1C  Unsigned      1  SCLIOP_NEWRQLO         If not a system change,
                                                      this is the user's requested
                                                      LO range value.
      29  1D  Unsigned      1  SCLIOP_NEWRQHI         If not a system change,
                                                      this is the user's requested
                                                      HI range value.
      30  1E  Character     1  *                      Reserved and available for
                                                      IBM use
      31  1F  Bitstring     1  SCLIOP_IPQX0           Type of change flag byte
              1... ....        SCLIOP_IPQXCP           System change. Received
                                                      real machine check.
              .1.. ....        SCLIOP_IPQXDIS          I/O Priority Queuing
                                                      changed from enabled to
                                                      disabled state
              ..1. ....        SCLIOP_IPQXENB          I/O Priority Queuing
                                                      changed from disabled to
                                                      enabled state
              ...1 ....        *
              .... 1...        SCLIOP_IPQXUSER         Not a system change.
              .... .1..        SCLIOP_IPQXREL          User wants RELATIVE range.
              .... ..1.        SCLIOP_IPQXABS          User wants ABSOLUTE range.
              .... ...1        *
      32  20  Unsigned      4  SCLIOP_SYSIOPQ         I/O Priority Queueing
                                                      Information
      32  20  Bitstring     1  SCLIOP_SYSIOPQH        I/O Priority Queueing
                                                      Hardware Flags
              1... ....        SCLIOP_SYSIOPQA         I/O Priority Queueing
                                                      facility active
              .1.. ....        *
              ..1. ....        *
              ...1 ....        *
              .... 1...        *
              .... .1..        *
              .... ..1.        *
              .... ...1        *
      33  21  Unsigned      1  SCLIOP_SYSIOPLO        I/O Priority system minimum
      34  22  Unsigned      1  SCLIOP_SYSIOPHI        I/O Priority system maximum
      35  23  Character     1  *                      Reserved for IBM Use
      36  24  Bitstring     1  SCLIOP_LCLFLAGS        General flags
              1... ....        SCLIOP_RELO             Record cut due to a live
                                                      guest relocation
              .1.. ....        *
              ..1. ....        *
              ...1 ....        *
              .... 1...        *
              .... .1..        *
              .... ..1.        *
              .... ...1        *
      37  25  Unsigned      1  *                      Reserved for IBM Use
      38  26  Unsigned      1  *                      Reserved for IBM Use
      39  27  Unsigned      1  *                      Reserved for IBM Use
      40  28  Character     0  SCLIOP_END

#### MRSCLIOP 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
    SCLIOP                     0     40
    SCLIOP_END                28      0
    SCLIOP_IPQUPR1            1C      4
    SCLIOP_IPQXABS            1F           02
    SCLIOP_IPQXCP             1F           80
    SCLIOP_IPQXDIS            1F           40
    SCLIOP_IPQXENB            1F           20
    SCLIOP_IPQXREL            1F           04
    SCLIOP_IPQXUSER           1F           08
    SCLIOP_IPQX0              1F      1
    SCLIOP_LCLFLAGS           24      1
    SCLIOP_MRHDR               0      0
    SCLIOP_NEWRQHI            1D      1
    SCLIOP_NEWRQLO            1C      1
    SCLIOP_RELO               24           80
    SCLIOP_SYSIOPHI           22      1
    SCLIOP_SYSIOPLO           21      1
    SCLIOP_SYSIOPQ            20      4
    SCLIOP_SYSIOPQA           20           80
    SCLIOP_SYSIOPQH           20      1
    SCLIOP_VMDUSER            14      8

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

    Last updated on 08 August 2020 at 16:11:49.

    Copyright IBM Corporation, 1990, 2020