Hi,
run:
# /usr/lib/vmware/vmkmgmt_keyval/vmkmgmt_keyval -d to dump existing instances
to see driver details about instance use:
# /usr/lib/vmware/vmkmgmt_keyval/vmkmgmt_keyval -a | grep "Driver version"
to find associated VIB and loaded module:
# esxcli software vib list | grep bfa
# esxcli system module list | grep bfa