[edk2-devel] [PATCH v2 0/3] OvmfPkg: Make IntelTdx work with Cloud Hypervisor

Min Xu min.m.xu at intel.com
Thu Dec 22 13:08:38 UTC 2022


I am looking at the issue and will provide the fix soon.

BTW, the previous patch-set passed the EDK2 CI. It seems there is something missed in the EDK2 CI.

Thanks
Min

> -----Original Message-----
> From: Ard Biesheuvel <ardb at kernel.org>
> Sent: Thursday, December 22, 2022 7:05 PM
> To: devel at edk2.groups.io; Boeuf, Sebastien <sebastien.boeuf at intel.com>
> Cc: Yao, Jiewen <jiewen.yao at intel.com>; Xu, Min M <min.m.xu at intel.com>;
> kraxel at redhat.com
> Subject: Re: [edk2-devel] [PATCH v2 0/3] OvmfPkg: Make IntelTdx work with
> Cloud Hypervisor
> 
> This series has broken all platforms that incorporate
> OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf but do not provide a
> resolution for CcProbeLib
> 
> Please provide a fix
> 
> https://ci.linaro.org/job/leg-virt-tianocore-edk2-upstream/4748/console
> 
> 
> 
> On Fri, 16 Dec 2022 at 09:46, Boeuf, Sebastien <sebastien.boeuf at intel.com>
> wrote:
> >
> > Thank you Jiewen :)
> > ________________________________
> > From: Yao, Jiewen <jiewen.yao at intel.com>
> > Sent: Friday, December 16, 2022 4:03:00 AM
> > To: Boeuf, Sebastien <sebastien.boeuf at intel.com>; devel at edk2.groups.io
> > <devel at edk2.groups.io>
> > Cc: Xu, Min M <min.m.xu at intel.com>; kraxel at redhat.com
> > <kraxel at redhat.com>
> > Subject: RE: [PATCH v2 0/3] OvmfPkg: Make IntelTdx work with Cloud
> > Hypervisor
> >
> > Merged: https://github.com/tianocore/edk2/pull/3778
> >
> > > -----Original Message-----
> > > From: Boeuf, Sebastien <sebastien.boeuf at intel.com>
> > > Sent: Thursday, December 15, 2022 11:10 PM
> > > To: devel at edk2.groups.io
> > > Cc: Yao, Jiewen <jiewen.yao at intel.com>; Xu, Min M
> > > <min.m.xu at intel.com>; kraxel at redhat.com; Boeuf, Sebastien
> > > <sebastien.boeuf at intel.com>
> > > Subject: [PATCH v2 0/3] OvmfPkg: Make IntelTdx work with Cloud
> > > Hypervisor
> > >
> > > From: Sebastien Boeuf <sebastien.boeuf at intel.com>
> > >
> > > The IntelTdxX64 OVMF target wasn't working with Cloud Hypervisor on
> > > TDX platform. This was due to the way the OVMF code expects Cloud
> > > Hypervisor to rely on PVH to retrieve information like memory below
> > > 4GiB as well as the ACPI tables.
> > >
> > > This is why this series takes care of identifying when running on
> > > TDX in order to handle things differently. For the memory below
> > > 4GiB, it falls back onto the CMOS to retrieve the correct
> > > information, and for the ACPI tables, it relies on the HOB to obtain
> > > every table individually before to expose them to the guest OS.
> > >
> > > With these two use cases properly handled by this series, it is now
> > > possible to use the IntelTdxX64 target to build an OVMF binary that
> > > works both for QEMU and Cloud Hypervisor on a TDX platform.
> > >
> > > Sebastien Boeuf (3):
> > >   OvmfPkg/PlatformInitLib: Differentiate TDX case for Cloud Hypervisor
> > >   OvmfPkg/PlatformInitLib: Transfer GUID Extension HOB
> > >   OvmfPkg/AcpiPlatformDxe: Differentiate TDX case for Cloud
> > > Hypervisor
> > >
> > >  ArmVirtPkg/ArmVirtQemu.dsc                  |  1 +
> > >  OvmfPkg/AcpiPlatformDxe/AcpiPlatform.c      |  8 +-
> > >  OvmfPkg/AcpiPlatformDxe/AcpiPlatform.h      |  6 ++
> > >  OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf |  3 +
> > >  OvmfPkg/AcpiPlatformDxe/CloudHvAcpi.c       | 87
> +++++++++++++++++++++
> > >  OvmfPkg/Library/PlatformInitLib/IntelTdx.c  |  5 ++
> > > OvmfPkg/Library/PlatformInitLib/MemDetect.c |  5 +-
> > >  OvmfPkg/OvmfPkg.dec                         |  1 +
> > >  8 files changed, 114 insertions(+), 2 deletions(-)
> > >
> > > --
> > > 2.34.1
> >
> > ---------------------------------------------------------------------
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