CICS- and CICSPlex SM-supplied modules required in the MVS linklist

CICS® TS supplies the modules listed in the SDFHLINK and SEYULINK libraries when you install CICS TS.

The following CICS modules are in SDFHLINK:

AMDUSREF
Alias of DFHTG730.
AXMSC
AXM server connection routines for CICS data-sharing servers.
AXMSI
AXM subsystem initialization routine for CICS data-sharing servers.
DFHDTCV
Connection validation subroutine for shared data tables.
DFHDTSVC
Shared data tables SVC services.
DFHGTCNV
Subroutine used by LOGR subsystem interface.
DFHHCADD
CICS Health Checker CSZADDCHECK exit routine.
DFHHCCHK
CICS Health Checker.
DFHHZMGT
CICS Health Checker messages.
DFHLGCNV
Exit routine for LOGR subsystem interface.
DFHMVRMS
General MVS RESMGR exit stub.
DFHNCIF
Named counter server interface.
DFHNCOPT
Named counter server options.
DFHPD730
Dump formatting routine for use with IPCS.
DFHRPDUF
System dump formatting routine for ONC RPC.
DFHRPTRI
Trace interpretation routine for ONC RPC.
DFHRXSVC
RRS domain authorized services.
DFHSNNFY
RACF® CICS segment changes notification routine.
DFHSNPTO
CICS RACF dynamic parse TIMEOUT keyword print routine.
DFHSNVCL
CICS RACF dynamic parse OPCLASS validation routine.
DFHSNVID
CICS RACF dynamic parse OPIDENT validation routine.
DFHSNVPR
CICS RACF dynamic parse OPPTRY validation routine.
DFHSNVTO
CICS RACF dynamic parse TIMEOUT validation routine.
DFHSSIN
CICS subsystem that initializes the console message handling facilities.
DFHSSMGT
CICS subsystem message table that contains the text of messages for the subsystem interface modules.
DFHTG730
Link module for the CICS GTF trace printing load module DFHTRGTF.
DFHTR730
Link module for the CICS GTF trace printing load module DFHTR730.
DFHTT730
Link module used for trace interpretation. You do not have to include DFHTT730 in the MVS linklist. If it is not in the linklist, an APF authorized library in the STEPLIB concatenation of the batch job is required for every job that uses the module.
DFHXCSVC
External CICS interface (EXCI) SVC services routine.

The following CICSPlex® SM modules are in SEYULINK:

EYU9D560
Dump formatting routine for use with IPCS.
EYU9X560
In each MVS image that contains a CMAS. EYU9X560 is the initialization module for the ESSS.
EYU9A560
In each MVS image that contains a CMAS where you want to run the CICSPlex SM API. EYU9A560 is the CICSPlex SM API subtask module.
EYU9T560
CICSPlex SM to Tivoli® NetView Communications module.
These modules are supplied in an APF-authorized library in the MVS linklist because of the following reasons:
  1. Non-CICS regions such as batch jobs or a CICS data sharing server can require them.
  2. They must be consistent across several CICS regions.
  3. Both CICS and non-CICS regions can require them.
  4. The Security Administrator who runs the ADDUSER or ALTUSER commands under TSO requires the RACF dynamic parse routines. For information about the RACF interface routines, see the An overview of the CICSPlex SM ESM interface.

Ensure the modules supplied in SDFHLINK and SEYULINK are available from an APF-authorized library in the MVS linklist:
  • Add these modules, as required, to an existing APF-authorized library defined in the MVS linklist

    or

  • Define SDFHLINK and SEYULINK as APF-authorized libraries and include them in the MVS linklist

Compatibility with earlier CICS releases

Unless otherwise stated, the CICS Transaction Server for z/OS®, Version 5 Release 6 levels of the modules in SDFHLINK are compatible with earlier releases of CICS. The CICSPlex SM modules in SEYULINK are not compatible with earlier releases. CICSPlex SM modules in SEYULINK are release specific. If you plan to run multiple releases of CICSPlex SM on the same MVS image, you must have the equivalent modules specific to the releases you are running.

DFHPD730, DFHTG730, DFHTR730, and DFHTT730 are release-dependent. If you run more than one release of CICS, ensure that the correct versions are available.