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[edk2-devel] [PATCH V3 5/7] OvmfPkg: Add CcProbeLib in *.dsc

Min Xu posted 7 patches 3 years, 9 months ago
There is a newer version of this series
[edk2-devel] [PATCH V3 5/7] OvmfPkg: Add CcProbeLib in *.dsc
Posted by Min Xu 3 years, 9 months ago 
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3902

CcProbeLib is imported in BaseIoLibIntrinsicSev.
OvmfPkg/Library/CcProbeLib is the OvmfPkg version which checks
OvmfWorkArea to return the Cc guest type. It is included
in OvmfPkgX64.dsc and IntelTdx/IntelTdxX64.dsc.

Other .dsc include the MdePkg/Library/CcProbeLibNull because Cc guest
is not supported in those projects.

Cc: James Bottomley <jejb@linux.ibm.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Erdem Aktas <erdemaktas@google.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Min Xu <min.m.xu@intel.com>
---
 OvmfPkg/AmdSev/AmdSevX64.dsc     | 1 +
 OvmfPkg/Bhyve/BhyveX64.dsc       | 1 +
 OvmfPkg/CloudHv/CloudHvX64.dsc   | 1 +
 OvmfPkg/IntelTdx/IntelTdxX64.dsc | 1 +
 OvmfPkg/Microvm/MicrovmX64.dsc   | 1 +
 OvmfPkg/OvmfPkgIa32.dsc          | 1 +
 OvmfPkg/OvmfPkgIa32X64.dsc       | 1 +
 OvmfPkg/OvmfPkgX64.dsc           | 1 +
 OvmfPkg/OvmfXen.dsc              | 1 +
 9 files changed, 9 insertions(+)

diff --git a/OvmfPkg/AmdSev/AmdSevX64.dsc b/OvmfPkg/AmdSev/AmdSevX64.dsc
index fcdc3efab204..1c088f25fa4b 100644
--- a/OvmfPkg/AmdSev/AmdSevX64.dsc
+++ b/OvmfPkg/AmdSev/AmdSevX64.dsc
@@ -149,6 +149,7 @@
   PciCapLib|OvmfPkg/Library/BasePciCapLib/BasePciCapLib.inf
   PciCapPciSegmentLib|OvmfPkg/Library/BasePciCapPciSegmentLib/BasePciCapPciSegmentLib.inf
   PciCapPciIoLib|OvmfPkg/Library/UefiPciCapPciIoLib/UefiPciCapPciIoLib.inf
+  CcProbeLib|MdePkg/Library/CcProbeLibNull/CcProbeLibNull.inf
   IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf
   OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
   SerialPortLib|PcAtChipsetPkg/Library/SerialIoLib/SerialIoLib.inf
diff --git a/OvmfPkg/Bhyve/BhyveX64.dsc b/OvmfPkg/Bhyve/BhyveX64.dsc
index e1b6b8e15f36..a8fa4d38ab60 100644
--- a/OvmfPkg/Bhyve/BhyveX64.dsc
+++ b/OvmfPkg/Bhyve/BhyveX64.dsc
@@ -146,6 +146,7 @@
   PciCapLib|OvmfPkg/Library/BasePciCapLib/BasePciCapLib.inf
   PciCapPciSegmentLib|OvmfPkg/Library/BasePciCapPciSegmentLib/BasePciCapPciSegmentLib.inf
   PciCapPciIoLib|OvmfPkg/Library/UefiPciCapPciIoLib/UefiPciCapPciIoLib.inf
+  CcProbeLib|MdePkg/Library/CcProbeLibNull/CcProbeLibNull.inf
   IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf
   OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
   SerialPortLib|PcAtChipsetPkg/Library/SerialIoLib/SerialIoLib.inf
diff --git a/OvmfPkg/CloudHv/CloudHvX64.dsc b/OvmfPkg/CloudHv/CloudHvX64.dsc
index 20f3bc340807..d1c85f60c768 100644
--- a/OvmfPkg/CloudHv/CloudHvX64.dsc
+++ b/OvmfPkg/CloudHv/CloudHvX64.dsc
@@ -158,6 +158,7 @@
   PciCapLib|OvmfPkg/Library/BasePciCapLib/BasePciCapLib.inf
   PciCapPciSegmentLib|OvmfPkg/Library/BasePciCapPciSegmentLib/BasePciCapPciSegmentLib.inf
   PciCapPciIoLib|OvmfPkg/Library/UefiPciCapPciIoLib/UefiPciCapPciIoLib.inf
+  CcProbeLib|MdePkg/Library/CcProbeLibNull/CcProbeLibNull.inf
   IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf
   OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
   SerialPortLib|PcAtChipsetPkg/Library/SerialIoLib/SerialIoLib.inf
diff --git a/OvmfPkg/IntelTdx/IntelTdxX64.dsc b/OvmfPkg/IntelTdx/IntelTdxX64.dsc
index 245155d41b30..73a6c30096a8 100644
--- a/OvmfPkg/IntelTdx/IntelTdxX64.dsc
+++ b/OvmfPkg/IntelTdx/IntelTdxX64.dsc
@@ -135,6 +135,7 @@
   PciCapLib|OvmfPkg/Library/BasePciCapLib/BasePciCapLib.inf
   PciCapPciSegmentLib|OvmfPkg/Library/BasePciCapPciSegmentLib/BasePciCapPciSegmentLib.inf
   PciCapPciIoLib|OvmfPkg/Library/UefiPciCapPciIoLib/UefiPciCapPciIoLib.inf
+  CcProbeLib|OvmfPkg/Library/CcProbeLib/CcProbeLib.inf
   IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf
   OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
   SerialPortLib|PcAtChipsetPkg/Library/SerialIoLib/SerialIoLib.inf
diff --git a/OvmfPkg/Microvm/MicrovmX64.dsc b/OvmfPkg/Microvm/MicrovmX64.dsc
index 59580ccd4691..c9c843e116a9 100644
--- a/OvmfPkg/Microvm/MicrovmX64.dsc
+++ b/OvmfPkg/Microvm/MicrovmX64.dsc
@@ -156,6 +156,7 @@
   PciCapLib|OvmfPkg/Library/BasePciCapLib/BasePciCapLib.inf
   PciCapPciSegmentLib|OvmfPkg/Library/BasePciCapPciSegmentLib/BasePciCapPciSegmentLib.inf
   PciCapPciIoLib|OvmfPkg/Library/UefiPciCapPciIoLib/UefiPciCapPciIoLib.inf
+  CcProbeLib|MdePkg/Library/CcProbeLibNull/CcProbeLibNull.inf
   IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf
   OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
   SerialPortLib|PcAtChipsetPkg/Library/SerialIoLib/SerialIoLib.inf
diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc
index e4218b01f0fc..9e4ecd21fb17 100644
--- a/OvmfPkg/OvmfPkgIa32.dsc
+++ b/OvmfPkg/OvmfPkgIa32.dsc
@@ -154,6 +154,7 @@
   PciCapLib|OvmfPkg/Library/BasePciCapLib/BasePciCapLib.inf
   PciCapPciSegmentLib|OvmfPkg/Library/BasePciCapPciSegmentLib/BasePciCapPciSegmentLib.inf
   PciCapPciIoLib|OvmfPkg/Library/UefiPciCapPciIoLib/UefiPciCapPciIoLib.inf
+  CcProbeLib|MdePkg/Library/CcProbeLibNull/CcProbeLibNull.inf
   IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf
   OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
   SerialPortLib|PcAtChipsetPkg/Library/SerialIoLib/SerialIoLib.inf
diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc
index a80cdaacb8bc..75fb8095eec2 100644
--- a/OvmfPkg/OvmfPkgIa32X64.dsc
+++ b/OvmfPkg/OvmfPkgIa32X64.dsc
@@ -158,6 +158,7 @@
   PciCapLib|OvmfPkg/Library/BasePciCapLib/BasePciCapLib.inf
   PciCapPciSegmentLib|OvmfPkg/Library/BasePciCapPciSegmentLib/BasePciCapPciSegmentLib.inf
   PciCapPciIoLib|OvmfPkg/Library/UefiPciCapPciIoLib/UefiPciCapPciIoLib.inf
+  CcProbeLib|MdePkg/Library/CcProbeLibNull/CcProbeLibNull.inf
   IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf
   OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
   SerialPortLib|PcAtChipsetPkg/Library/SerialIoLib/SerialIoLib.inf
diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
index fb2899f8a1be..2e534d0d2478 100644
--- a/OvmfPkg/OvmfPkgX64.dsc
+++ b/OvmfPkg/OvmfPkgX64.dsc
@@ -165,6 +165,7 @@
   PciCapLib|OvmfPkg/Library/BasePciCapLib/BasePciCapLib.inf
   PciCapPciSegmentLib|OvmfPkg/Library/BasePciCapPciSegmentLib/BasePciCapPciSegmentLib.inf
   PciCapPciIoLib|OvmfPkg/Library/UefiPciCapPciIoLib/UefiPciCapPciIoLib.inf
+  CcProbeLib|OvmfPkg/Library/CcProbeLib/CcProbeLib.inf
   IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf
   OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
   SerialPortLib|PcAtChipsetPkg/Library/SerialIoLib/SerialIoLib.inf
diff --git a/OvmfPkg/OvmfXen.dsc b/OvmfPkg/OvmfXen.dsc
index 7bd594c6e263..8d420cf54371 100644
--- a/OvmfPkg/OvmfXen.dsc
+++ b/OvmfPkg/OvmfXen.dsc
@@ -147,6 +147,7 @@
   PciCapLib|OvmfPkg/Library/BasePciCapLib/BasePciCapLib.inf
   PciCapPciSegmentLib|OvmfPkg/Library/BasePciCapPciSegmentLib/BasePciCapPciSegmentLib.inf
   PciCapPciIoLib|OvmfPkg/Library/UefiPciCapPciIoLib/UefiPciCapPciIoLib.inf
+  CcProbeLib|MdePkg/Library/CcProbeLibNull/CcProbeLibNull.inf
   IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf
   OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
   SerialPortLib|PcAtChipsetPkg/Library/SerialIoLib/SerialIoLib.inf
-- 
2.29.2.windows.2



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Re: [edk2-devel] [PATCH V3 5/7] OvmfPkg: Add CcProbeLib in *.dsc
Posted by Lendacky, Thomas via groups.io 3 years, 9 months ago 
On 4/16/22 22:01, Min Xu wrote:
> BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3902
> 
> CcProbeLib is imported in BaseIoLibIntrinsicSev.
> OvmfPkg/Library/CcProbeLib is the OvmfPkg version which checks
> OvmfWorkArea to return the Cc guest type. It is included
> in OvmfPkgX64.dsc and IntelTdx/IntelTdxX64.dsc.

SEV support (as opposed to SEV-ES and SEV-SNP) builds and runs with
OvmfPkgIa32X64.dsc, so that needs updating. It also builds with
OvmfPkgIa32.dsc, but is not expected to run successfully in only the
32-bit variant - and since there is no work area in the fdf file that
can stay as the NULL library.

However, when testing the Ia32X64 variant, I found that commits:

63c50d3ff285 ("OvmfPkg/ResetVector: cache the SEV status MSR value in workarea")
f1d1c337e7c0 ("OvmfPkg/BaseMemEncryptLib: use the SEV_STATUS MSR value from workarea")

actually broke the Ia32X64 variant running under SEV, so we (AMD)
will need to fix that - unless we just say that now SEV requires
the X64-only build since both SEV-ES and SEV-SNP require that.

Thanks,
Tom

> 
> Other .dsc include the MdePkg/Library/CcProbeLibNull because Cc guest
> is not supported in those projects.
> 
> Cc: James Bottomley <jejb@linux.ibm.com>
> Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
> Cc: Jiewen Yao <jiewen.yao@intel.com>
> Cc: Gerd Hoffmann <kraxel@redhat.com>
> Cc: Brijesh Singh <brijesh.singh@amd.com>
> Cc: Erdem Aktas <erdemaktas@google.com>
> Cc: Tom Lendacky <thomas.lendacky@amd.com>
> Signed-off-by: Min Xu <min.m.xu@intel.com>
> ---
>   OvmfPkg/AmdSev/AmdSevX64.dsc     | 1 +
>   OvmfPkg/Bhyve/BhyveX64.dsc       | 1 +
>   OvmfPkg/CloudHv/CloudHvX64.dsc   | 1 +
>   OvmfPkg/IntelTdx/IntelTdxX64.dsc | 1 +
>   OvmfPkg/Microvm/MicrovmX64.dsc   | 1 +
>   OvmfPkg/OvmfPkgIa32.dsc          | 1 +
>   OvmfPkg/OvmfPkgIa32X64.dsc       | 1 +
>   OvmfPkg/OvmfPkgX64.dsc           | 1 +
>   OvmfPkg/OvmfXen.dsc              | 1 +
>   9 files changed, 9 insertions(+)
> 
> diff --git a/OvmfPkg/AmdSev/AmdSevX64.dsc b/OvmfPkg/AmdSev/AmdSevX64.dsc
> index fcdc3efab204..1c088f25fa4b 100644
> --- a/OvmfPkg/AmdSev/AmdSevX64.dsc
> +++ b/OvmfPkg/AmdSev/AmdSevX64.dsc
> @@ -149,6 +149,7 @@
>     PciCapLib|OvmfPkg/Library/BasePciCapLib/BasePciCapLib.inf
>     PciCapPciSegmentLib|OvmfPkg/Library/BasePciCapPciSegmentLib/BasePciCapPciSegmentLib.inf
>     PciCapPciIoLib|OvmfPkg/Library/UefiPciCapPciIoLib/UefiPciCapPciIoLib.inf
> +  CcProbeLib|MdePkg/Library/CcProbeLibNull/CcProbeLibNull.inf
>     IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf
>     OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
>     SerialPortLib|PcAtChipsetPkg/Library/SerialIoLib/SerialIoLib.inf
> diff --git a/OvmfPkg/Bhyve/BhyveX64.dsc b/OvmfPkg/Bhyve/BhyveX64.dsc
> index e1b6b8e15f36..a8fa4d38ab60 100644
> --- a/OvmfPkg/Bhyve/BhyveX64.dsc
> +++ b/OvmfPkg/Bhyve/BhyveX64.dsc
> @@ -146,6 +146,7 @@
>     PciCapLib|OvmfPkg/Library/BasePciCapLib/BasePciCapLib.inf
>     PciCapPciSegmentLib|OvmfPkg/Library/BasePciCapPciSegmentLib/BasePciCapPciSegmentLib.inf
>     PciCapPciIoLib|OvmfPkg/Library/UefiPciCapPciIoLib/UefiPciCapPciIoLib.inf
> +  CcProbeLib|MdePkg/Library/CcProbeLibNull/CcProbeLibNull.inf
>     IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf
>     OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
>     SerialPortLib|PcAtChipsetPkg/Library/SerialIoLib/SerialIoLib.inf
> diff --git a/OvmfPkg/CloudHv/CloudHvX64.dsc b/OvmfPkg/CloudHv/CloudHvX64.dsc
> index 20f3bc340807..d1c85f60c768 100644
> --- a/OvmfPkg/CloudHv/CloudHvX64.dsc
> +++ b/OvmfPkg/CloudHv/CloudHvX64.dsc
> @@ -158,6 +158,7 @@
>     PciCapLib|OvmfPkg/Library/BasePciCapLib/BasePciCapLib.inf
>     PciCapPciSegmentLib|OvmfPkg/Library/BasePciCapPciSegmentLib/BasePciCapPciSegmentLib.inf
>     PciCapPciIoLib|OvmfPkg/Library/UefiPciCapPciIoLib/UefiPciCapPciIoLib.inf
> +  CcProbeLib|MdePkg/Library/CcProbeLibNull/CcProbeLibNull.inf
>     IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf
>     OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
>     SerialPortLib|PcAtChipsetPkg/Library/SerialIoLib/SerialIoLib.inf
> diff --git a/OvmfPkg/IntelTdx/IntelTdxX64.dsc b/OvmfPkg/IntelTdx/IntelTdxX64.dsc
> index 245155d41b30..73a6c30096a8 100644
> --- a/OvmfPkg/IntelTdx/IntelTdxX64.dsc
> +++ b/OvmfPkg/IntelTdx/IntelTdxX64.dsc
> @@ -135,6 +135,7 @@
>     PciCapLib|OvmfPkg/Library/BasePciCapLib/BasePciCapLib.inf
>     PciCapPciSegmentLib|OvmfPkg/Library/BasePciCapPciSegmentLib/BasePciCapPciSegmentLib.inf
>     PciCapPciIoLib|OvmfPkg/Library/UefiPciCapPciIoLib/UefiPciCapPciIoLib.inf
> +  CcProbeLib|OvmfPkg/Library/CcProbeLib/CcProbeLib.inf
>     IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf
>     OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
>     SerialPortLib|PcAtChipsetPkg/Library/SerialIoLib/SerialIoLib.inf
> diff --git a/OvmfPkg/Microvm/MicrovmX64.dsc b/OvmfPkg/Microvm/MicrovmX64.dsc
> index 59580ccd4691..c9c843e116a9 100644
> --- a/OvmfPkg/Microvm/MicrovmX64.dsc
> +++ b/OvmfPkg/Microvm/MicrovmX64.dsc
> @@ -156,6 +156,7 @@
>     PciCapLib|OvmfPkg/Library/BasePciCapLib/BasePciCapLib.inf
>     PciCapPciSegmentLib|OvmfPkg/Library/BasePciCapPciSegmentLib/BasePciCapPciSegmentLib.inf
>     PciCapPciIoLib|OvmfPkg/Library/UefiPciCapPciIoLib/UefiPciCapPciIoLib.inf
> +  CcProbeLib|MdePkg/Library/CcProbeLibNull/CcProbeLibNull.inf
>     IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf
>     OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
>     SerialPortLib|PcAtChipsetPkg/Library/SerialIoLib/SerialIoLib.inf
> diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc
> index e4218b01f0fc..9e4ecd21fb17 100644
> --- a/OvmfPkg/OvmfPkgIa32.dsc
> +++ b/OvmfPkg/OvmfPkgIa32.dsc
> @@ -154,6 +154,7 @@
>     PciCapLib|OvmfPkg/Library/BasePciCapLib/BasePciCapLib.inf
>     PciCapPciSegmentLib|OvmfPkg/Library/BasePciCapPciSegmentLib/BasePciCapPciSegmentLib.inf
>     PciCapPciIoLib|OvmfPkg/Library/UefiPciCapPciIoLib/UefiPciCapPciIoLib.inf
> +  CcProbeLib|MdePkg/Library/CcProbeLibNull/CcProbeLibNull.inf
>     IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf
>     OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
>     SerialPortLib|PcAtChipsetPkg/Library/SerialIoLib/SerialIoLib.inf
> diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc
> index a80cdaacb8bc..75fb8095eec2 100644
> --- a/OvmfPkg/OvmfPkgIa32X64.dsc
> +++ b/OvmfPkg/OvmfPkgIa32X64.dsc
> @@ -158,6 +158,7 @@
>     PciCapLib|OvmfPkg/Library/BasePciCapLib/BasePciCapLib.inf
>     PciCapPciSegmentLib|OvmfPkg/Library/BasePciCapPciSegmentLib/BasePciCapPciSegmentLib.inf
>     PciCapPciIoLib|OvmfPkg/Library/UefiPciCapPciIoLib/UefiPciCapPciIoLib.inf
> +  CcProbeLib|MdePkg/Library/CcProbeLibNull/CcProbeLibNull.inf
>     IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf
>     OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
>     SerialPortLib|PcAtChipsetPkg/Library/SerialIoLib/SerialIoLib.inf
> diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
> index fb2899f8a1be..2e534d0d2478 100644
> --- a/OvmfPkg/OvmfPkgX64.dsc
> +++ b/OvmfPkg/OvmfPkgX64.dsc
> @@ -165,6 +165,7 @@
>     PciCapLib|OvmfPkg/Library/BasePciCapLib/BasePciCapLib.inf
>     PciCapPciSegmentLib|OvmfPkg/Library/BasePciCapPciSegmentLib/BasePciCapPciSegmentLib.inf
>     PciCapPciIoLib|OvmfPkg/Library/UefiPciCapPciIoLib/UefiPciCapPciIoLib.inf
> +  CcProbeLib|OvmfPkg/Library/CcProbeLib/CcProbeLib.inf
>     IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf
>     OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
>     SerialPortLib|PcAtChipsetPkg/Library/SerialIoLib/SerialIoLib.inf
> diff --git a/OvmfPkg/OvmfXen.dsc b/OvmfPkg/OvmfXen.dsc
> index 7bd594c6e263..8d420cf54371 100644
> --- a/OvmfPkg/OvmfXen.dsc
> +++ b/OvmfPkg/OvmfXen.dsc
> @@ -147,6 +147,7 @@
>     PciCapLib|OvmfPkg/Library/BasePciCapLib/BasePciCapLib.inf
>     PciCapPciSegmentLib|OvmfPkg/Library/BasePciCapPciSegmentLib/BasePciCapPciSegmentLib.inf
>     PciCapPciIoLib|OvmfPkg/Library/UefiPciCapPciIoLib/UefiPciCapPciIoLib.inf
> +  CcProbeLib|MdePkg/Library/CcProbeLibNull/CcProbeLibNull.inf
>     IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf
>     OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
>     SerialPortLib|PcAtChipsetPkg/Library/SerialIoLib/SerialIoLib.inf


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