Messages in this thread | | | From | "Huang, Kai" <> | Subject | Re: [PATCH v9 1/6] x86/tdx: Add TDX Guest attestation interface driver | Date | Tue, 30 Aug 2022 02:25:19 +0000 |
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On Mon, 2022-08-29 at 08:05 +0000, Wang, Wei W wrote: > On Monday, August 29, 2022 11:15 AM, Huang, Kai wrote: > > On Mon, 2022-08-22 at 14:44 -0700, Dave Hansen wrote: > > > What ioctl()s are in the pipeline for the host side? Are they all > > > part of /dev/kvm, or are there any TDX-specific "drivers" for the host? > > > > Sorry for late reply. Was on vacation last week. > > > > AFAICT no ioctl() is in the pipeline for the host side, except those belong to > > /dev/kvm. > > > > I am not 100% sure about TDX live migration support (TDX 1.5), though. > > Supposedly even there are they should belong to /dev/kvm too. + Wang, wei > > to confirm. > > Not /dev/kvm. > TDX migration uses kvm device fd and implements a tdx-mig specific driver on it.
OK anyway so the "tdx-mig specific driver" will still be on top of KVM, and we don't need a new device node at host for it.
-- Thanks, -Kai
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