On Sun Jan 28, 2024 at 11:25 PM EET, Samuel Ortiz wrote: > Some confidential computing architectures (Intel TDX, ARM CCA, RISC-V > CoVE) provide their guests with a set of measurements registers that can > be extended at runtime, i.e. after the initial, host-initiated > measurements of the TVM are finalized. Those runtime measurement > registers (RTMR) are isolated from the host accessible ones but TSMs > include them in their signed attestation reports. Please expand "TSM" acronym and explain what it is. > All architectures supporting RTMRs expose a similar interface to their Please expand RTMR *everywhere* ot "measurement registers". It is totally useless terminology. > TVMs: An extension command/call that takes a measurement value and an What is TVM? > RTMR index to extend it with, and a readback command for reading an RTMR > value back (taking an RTMR index as an argument as well). This patch series > builds an architecture agnostic, configfs-based ABI for userspace to extend > and read RTMR values back. It extends the current TSM ops structure and > each confidential computing architecture can implement this extension to > provide RTMR support. This patch set should simplify its gibberish terminology to common language. BR, Jarkko
