Fixed Header Input Section

The fixed header input section contains the information that the caller needs to provide to the subsystem on input for this Request Subsystem Version Information call.
Field Name
Description
Start of changeSSVILENEnd of change
Start of change

Length of entire area. Set this field to a value that is at least equal to the minimum size associated with the version specified in SSVIVER:

Table 1.
Version Length
SSVIVONE SSVILONE
SSVIVTWO SSVILTWO
SSVICVER SSVICLEN

These equates are defined in the IEFSSVI macro.

The length includes the fixed header section, plus the system variable section and the installation variable section. The caller must ensure that the length specified in the SSVILEN field is large enough to contain the requested information.

End of change
Start of changeSSVIVEREnd of change
Start of changeVersion of mapping for the caller. Set this field to one of the following equates defined in the IEFSSVI macro:
  • Version SSVIVONE (1): Original version.
  • Version SSVIVTWO (2): This version supports the SSVIPLVL and SSVISLVL fields.
  • Version SSVICVER: This version is latest version of the SSVI. This value, and the associated length in SSVICLEN, may change at any time. Do not use this unless your program can tolerate that change.
End of change
SSVIID
Identifier 'SSVI'

Set all other fields in the SSVI control block to binary zeros before issuing the IEFSSREQ macro.