The OpenBMC API defines a factory reset interface, which is intended to be used to restore the BMC to its original manufacturer settings. This interface is defined generically; it is specifically and variously implemented throughout OpenBMC services, which allows these services to be individually restored to factory defaults as needed.
More reading for OpenBMC services here.
Path: /xyz/openbmc_project/software The host software updater factory reset immediately clears persistence files and any data stored in the read-write and preserved volumes created by the host BIOS.