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Hardware Requirements for SEV-TIO / TDISP #290

@jpecholt

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@jpecholt

Hello,
we were interested in trying out the current PoC / Preview of the SEV-TIO / TDISP implementation that you provide in branch tsm, but we are struggling a bit with finding a suitable hardware setup.

What is a setup that you know will work / that you tested your implementation on? We would be grateful to know the CPU (generation / model) and respective PCIe device. We explicitly exclude motherboard / BIOS specifics etc., we know that it requires additional support, so we focus on these two components for now.

The SEV development page states that all 5th generation Epyc CPUs are capable of SEV-TIO; while the most current Nvidia GPUs called Blackwell also supports TDISP? Furthermore, we found information on a potential AMD GPU that provides Confidential Computing, but couldn't find much more information besides this statement. Are AMD Instinct GPUs capable of Confidential Computing (either using bounce buffers or communicating directly with the CPU/ SoC using TDISP) , and if so, are they working for this implementation as well?

Looking forward to your reply!

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