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. 1 = Device rest 2 = Device deactivated 3 = Missing Interrupt detected 4 = Duplicate nodeid detected 5 = Incompatible driver detected 6 = Link Level reset 133 85 Unsigned 1 ISFILC_LDVERROR For DEACTIVATE and DEACTIVATE_LAST, the most recent error condition. 0 = No error 1 = NOTREADY (Y-SIDE) 2 = Read out of sequence 3 = EOF out of sequence 4 = Bad frame length 5 = Bad frame type 6 = I/O Timeout 7 = Stopped by Y-SIDE 8 = Incompatible Y-SIDE driver 9 = Duplicate Node 10 10 = Miscellaneous I/O error 11 = Fatal I/O error 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 V7R3.0.

Last updated on 13 September 2022 at 13:14:05.
Copyright IBM Corporation, 1990, 2022