[edk2-devel] [PATCH v4 1/4] OvmfPkg/MemEncryptHypercallLib: add library to support SEV hypercalls.
Ashish Kalra via groups.io
ashish.kalra=amd.com at groups.io
Wed Jun 23 01:47:47 UTC 2021
On Tue, Jun 22, 2021 at 05:47:48PM -0500, Tom Lendacky wrote:
> On 6/21/21 8:56 AM, Ashish Kalra wrote:
> > From: Ashish Kalra <ashish.kalra at amd.com>
> > Add SEV and SEV-ES hypercall abstraction library to support SEV Page
> > encryption/deceryption status hypercalls for SEV and SEV-ES guests.
> Does this have to be a new library? It's just a single function and so I
> would think it could live in the BaseMemEncryptSevLib library where the
> change to the c-bit is being done anyway.
Actually i like this approach, instead of adding a new library.
Again, IIRC we had discussed this internally and then decided to
create a new hypercall library similar to Xen, with reference to
the email copied below :
Xen has support under Ovmf for a Xen hypercall library
(OvmfPkg/Library/XenHypercallLib). Take a look at that and maybe create
something similar for KVM.
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