On Mon, Jun 20, 2022 at 10:33:00PM +0000, Dionna Glaze wrote: > For SEV-SNP, an OS is "SEV-SNP capable" without supporting this UEFI > v2.9 memory type. In order for OVMF to be able to avoid pre-validating > potentially hundreds of gibibytes of data before booting, it needs to > know if the guest OS can support its use of the new type of memory in > the memory map.
I think this should be wired up via sev-guest object (see SevGuestProperties in qapi/qom.json and target/i386/sev.c), i.e. qemu -object sev-guest,accept-all-memory=true,$args (and likewise for -object tdx-guest once merged). take care, Gerd
