Listening for other global resource serialization events

To establish an ENF listen exit to be called global resource serialization mode changes (that is, migrations from a ring to star complex), issue
ENFREQ ACTION=LISTEN
with one of the qualifier/qmask combinations described in Table 1. In the table:
Table 1. Qualifier / QMASK combinations for Global Resource Serialization Mode changes
Qualifier (hexadecimal) QMASK Result
03xxxxxx BYTE1 Any mode change
03xxyyzz

BYTE1,BYTE3
BYTE4

Changes from yy mode to zz mode, where the values for yy and zz are defined in the IHAECVT for the ECVTGMODE field.