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

MRIODSOF

Prolog
Control Block Contents
Cross Reference

MRIODSOF Prolog

 DSECT NAME - IODSOF
 FUNCTION - Map a Monitor record.
 LOCATED BY -
        Through the Monitor Control Area
 REFERENCED CONTROL BLOCKS -
        MRRECHDR    Monitor Record Header
 NAME - MRIODSOF
 DESCRIPTIVE NAME - Monitor Event Record
                    Domain 6 - I/O Domain
                    Record 12- Vary Off Subchannel
 DESCRIPTION - Indicates that a subchannel has been varied offline






MRIODSOF Control Block Contents


Offsets
Dec Hex  Type       Len  Name (Dim)             Description
 
  0   0  Structure   28  IODSOF                 Start of monitor record
  0   0  Character    0  IODSOF_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     4  IODSOF_RDEVSID         Host subchannel I.D. number
                                                defined at initialization
 24  18  Unsigned     2  IODSOF_RDEVDEV         Device number
 26  1A  Unsigned     2  *                      Reserved and available for
                                                IBM use
 28  1C  Character    0  IODSOF_END             







MRIODSOF Cross Reference


                      Hex           Hex
Name                 Offset Length Value
 
IODSOF                     0     28
IODSOF_END                1C      0
IODSOF_MRHDR               0      0
IODSOF_RDEVDEV            18      2
IODSOF_RDEVSID            14      4
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 V5R2.0.

Last updated on 11 Dec 2005 at 21:04:49.

Copyright IBM Corporation, 1990, 2005