“This does not mean vendors are hiding anything or that the missing commands are backdoors. It just means they have chosen not to document all VSCs publicly for

“This does not mean vendors are hiding anything or that the missing commands are backdoors. It just means they have chosen not to document all VSCs publicly for customers, and to keep some for internal use only.” I think there’s merit to considering undocumented functionality a bad thing. It’s attack surface we should know about. Why should the chip maker reserve functionality for their use on a chip they sold me? I better get all of that.