Messages in this thread | | | Date | Mon, 27 Jun 2022 11:51:33 -0700 | Subject | Re: [PATCH v8 0/5] Add TDX Guest Attestation support | From | Dave Hansen <> |
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On 6/27/22 07:51, Sathyanarayanan Kuppuswamy wrote: > In TDX guest, attestation process generally involves the following steps: > > 1. Get the TDREPORT using user specified REPORTDATA. This is implemented > using TDG.MR.TDREPORT Module call. An IOCTL interface is added to let > userspace get the TDREPORT data (implemented in patch #1). > > 2. Using the TDREPORT data, generate a remotely verifiable signed Quote. > Quote can be generated either using GetQuote hypercall or by communicating > with VMM/Quoting Enclave(QE) using VSOCK. In this patch set, only the > GetQuote hypercall model is supported. Since Quote generation is an > asynchronous request, and takes more time, we let VMM notify the TDX Guest > using the callback interrupt. Patch # 2-5 implements Quote generation support, > in which Patch # 2 implements the callback interrupt support.
IMNHO, too much gibberish, not enough English, too much superfluous information.
For instance, why do we need a quote and a report? Why does this have an interrupt?
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