Messages in this thread | | | Date | Wed, 24 Aug 2022 09:56:43 -0700 | Subject | Re: [PATCH v9 1/6] x86/tdx: Add TDX Guest attestation interface driver | From | Sathyanarayanan Kuppuswamy <> |
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On 8/24/22 8:56 AM, Borislav Petkov wrote: > On Mon, Aug 22, 2022 at 03:41:00PM -0700, Sathyanarayanan Kuppuswamy wrote: >> In addition to above, I think there is a possibility to add IOCTL to get >> storage keys from the ACPI SVKL table. Storage Volume Key Table (SVKL) is >> used by the VBIOS to share keys required to access encrypted drives. Although >> we don't have a clear requirement, I suspect that we might add IOCTL for it. > > So this all sounds like a single tdx-guest driver to me which services a > bunch of ioctls... not separate drivers. > > Hmm?
Yes. You are right. This is similar to AMD sev-guest driver.
https://github.com/torvalds/linux/blob/master/drivers/virt/coco/sev-guest/sev-guest.c
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-- Sathyanarayanan Kuppuswamy Linux Kernel Developer
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