gtpi1m3nSystem Installation Support Reference

LU Registration

The logical unit (LU) registration user exit, UARG, allows you to select the local LUs that the TPF system registers with the APPN network. A local LU is any LU that resides in any processor in the loosely coupled complex.

The TPF system starts the registration process when CP-CP sessions become active. UARG is called, for each local LU, during the registration process.

Input

R2
RVT1 address of the TPF LU to be registered.

Programming Considerations

Return Values

R7 contains the return code:

 0 
Register this LU

 1 
Do not register this LU, but continue the LU registration process

 2 
Do not register this LU and end the LU registration process.