Vincent Zimmer of Intel has a new blog post, explaining how UEFI’s HII user interface stuff works:

[…] The The x-UEFI configuration language is now a reality. The latest keywords can now be found at http://uefi.org/confignamespace.  This list should grow over time as more configuration data emerges based upon new platform technologies, features in the UEFI and other industry standards, etc. This type of facility helps provide infrastructure to provide visibility into ‘Is Features XYZ enabled.” A common instance of this is virtualization technology, hyper threading, and other art managed by the platform. Going forward, I can imagine OS viewer utilities, maybe /dev/hii in Linux and an associated Microsoft Windows interface, to exposing this information. The EDKII community on tianocore.org ought to investigate some simple shell applications to export the information, too. […]

Full blog post:

http://vzimmer.blogspot.com/2016/02/firmware-configuration-or-is-feature.html

The config namespace already has dozens of variables:

http://uefi.org/confignamespace

http://www.uefi.org/namespace_instructions

I am looking forward to someone writing a security test tool that works with this database. 🙂