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

#### MRISFILC

Prolog
Control Block Contents
Cross Reference

#### MRISFILC Prolog

     DSECT NAME - ISFILC
     FUNCTION - Map a Monitor record.
     LOCATED BY -
            Through the Monitor Control Area
     REFERENCED CONTROL BLOCKS -
            MRRECHDR    Monitor Record Header
     NAME - MRISFILC
     DESCRIPTIVE NAME - Monitor Event Record
                        Domain 9 - ISFC Domain
                        Record 3 - ISFC Logical Link Definition Change
     DESCRIPTION - Indicates that there has been a change in the
                   state of an ISFC Logical Link.
     NOTES -

#### MRISFILC Control Block Contents

    Offsets
    Dec  Hex  Type        Len  Name (Dim)             Description

       0   0  Structure   140  ISFILC                 Start of monitor record
       0   0  Character     0  ISFILC_MRHDR           Record header. See MRRECHDR
                                                      for details.
       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  Unsigned      1  ISFILC_ACTIVITY        Logical link activity - the
                                                      reason for creation of this
                                                      record. ACTIVATE_FIRST = 1
                                                      ACTIVATE = 2 DEACTIVATE = 3
                                                      DEACTIVATE_LAST = 4
      21  15  Unsigned      1  *                      Reserved
      22  16  Unsigned      2  ISFILC_LNKDEVCT        Count of link devices
                                                      making up the logical link.
      24  18  Character     4  ISFILC_LDVDEVID        Device number
      28  1C  Character     8  ISFILC_LDVRMNOD        Partner node name
    The following fields are valid only when the ISFILC_ACTIVITY field = 4
    (DEACTIVATE_LAST)

    Offsets
    Dec  Hex  Type        Len  Name (Dim)             Description

      36  24  Character     8  ISFILC_LNKLRCMS        Local Messages received
      44  2C  Character     8  ISFILC_LNKLRCBT        Local Bytes Received
      52  34  Character     8  ISFILC_LNKLSNMS        Local Messages Sent
      60  3C  Character     8  ISFILC_LNKLSNBT        Local Bytes Sent
      68  44  Character     8  ISFILC_LNKFRCMS        Forwarded Msgs received
      76  4C  Character     8  ISFILC_LNKFRCBT        Forwarded Bytes Received
      84  54  Character     8  ISFILC_LNKFSNMS        Forwarded Messages Sent
      92  5C  Character     8  ISFILC_LNKFSNBT        Forwarded Bytes Sent
     100  64  Character     8  ISFILC_LNKDRCMS        Discarded messages received
     108  6C  Character     8  ISFILC_LNKDRCBT        Discarded bytes received
     116  74  Character     8  ISFILC_NODDSNMS        Messages which received an
                                                      error on an attempt to send
                                                      using this link.
     124  7C  Character     8  ISFILC_NODDSNBT        Bytes which received an
                                                      error on an attempt to send
                                                      using this link.
     132  84  Character     1  ISFILC_LDVREASON       For DEACTIVATE and
                                                      DEACTIVATE_LAST, the reason
                                                      the device was reset.
     133  85  Unsigned      1  ISFILC_LDVERROR        For DEACTIVATE and
                                                      DEACTIVATE_LAST, the most
                                                      recent error condition.
     134  86  Character     6  *                      Reserved for IBM use.
     140  8C  Character     0  ISFILC_END

#### MRISFILC Cross Reference

                          Hex           Hex
    Name                  Offset Length Value

    ISFILC                     0    140
    ISFILC_ACTIVITY           14      1
    ISFILC_END                8C      0
    ISFILC_LDVDEVID           18      4
    ISFILC_LDVERROR           85      1
    ISFILC_LDVREASON          84      1
    ISFILC_LDVRMNOD           1C      8
    ISFILC_LNKDEVCT           16      2
    ISFILC_LNKDRCBT           6C      8
    ISFILC_LNKDRCMS           64      8
    ISFILC_LNKFRCBT           4C      8
    ISFILC_LNKFRCMS           44      8
    ISFILC_LNKFSNBT           5C      8
    ISFILC_LNKFSNMS           54      8
    ISFILC_LNKLRCBT           2C      8
    ISFILC_LNKLRCMS           24      8
    ISFILC_LNKLSNBT           3C      8
    ISFILC_LNKLSNMS           34      8
    ISFILC_MRHDR               0      0
    ISFILC_NODDSNBT           7C      8
    ISFILC_NODDSNMS           74      8
    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 V7R2.0.

    Last updated on 08 August 2020 at 21:38:32.

    Copyright IBM Corporation, 1990, 2020