On Thu, Sep 30, 2021 at 06:28:15PM -0700, David E. Box wrote: > Intel Software Defined Silicon (SDSi) is a post manufacturing mechanism for > activating additional silicon features. Features are enabled through a > license activation process. The SDSi driver provides a per socket, ioctl > interface for applications to perform 3 main provisioning functions: > > 1. Provision an Authentication Key Certificate (AKC), a key written to > internal NVRAM that is used to authenticate a capability specific > activation payload. > > 2. Provision a Capability Activation Payload (CAP), a token authenticated > using the AKC and applied to the CPU configuration to activate a new > feature. > > 3. Read the SDSi State Certificate, containing the CPU configuration > state. > > The ioctl operations perform function specific mailbox commands that > forward the requests to SDSi hardware to perform authentication of the > payloads and enable the silicon configuration (to be made available after > power cycling). > > The SDSi device itself is enumerated as an auxiliary device from the > intel_extended_caps driver and as such has a build dependency on > CONFIG_INTEL_EXTENDED_CAPS. > > Link: https://github.com/intel/intel-sdsi > Signed-off-by: David E. Box <david.e.box@xxxxxxxxxxxxxxx> I do not see the "required" review that Intel developers need when sending stuff to me. What happened here? thanks, greg k-h