The goal of this document is to describe all of the various types of “lock bit” that have been observed in the wild on shipping devices, with the eventual goal of creating a generic API for setting/querying them on an arbitrary IC.Obviously not all devices will implement most/all of these protections.[…]
https://docs.google.com/document/d/1i7lhwwVLWgqZCXt98MyOjboFtru6KB5-bKzYOfUS9zY/edit#