[v7] SEV-ES guest support

[edk2-devel] [PATCH v7 02/43] UefiCpuPkg: Create PCD to be used in support of SEV-ES
Posted by Lendacky, Thomas 5 years, 8 months ago
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198

A new dynamic UefiCpuPkg PCD is needed to support SEV-ES under OVMF:
  - PcdSevEsIsEnabled: BOOLEAN value used to indicate if SEV-ES is enabled

Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
---
 UefiCpuPkg/UefiCpuPkg.dec | 6 ++++++
 UefiCpuPkg/UefiCpuPkg.uni | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/UefiCpuPkg/UefiCpuPkg.dec b/UefiCpuPkg/UefiCpuPkg.dec
index 762badf5d239..df5d02bae6b4 100644
--- a/UefiCpuPkg/UefiCpuPkg.dec
+++ b/UefiCpuPkg/UefiCpuPkg.dec
@@ -370,5 +370,11 @@ [PcdsDynamic, PcdsDynamicEx]
   # @ValidRange  0x80000001 | 0 - 1
   gUefiCpuPkgTokenSpaceGuid.PcdCpuProcTraceOutputScheme|0x0|UINT8|0x60000015
 
+  ## This dynamic PCD indicates whether SEV-ES is enabled
+  #   TRUE  - SEV-ES is enabled
+  #   FALSE - SEV-ES is not enabled
+  # @Prompt SEV-ES Status
+  gUefiCpuPkgTokenSpaceGuid.PcdSevEsIsEnabled|FALSE|BOOLEAN|0x60000016
+
 [UserExtensions.TianoCore."ExtraFiles"]
   UefiCpuPkgExtra.uni
diff --git a/UefiCpuPkg/UefiCpuPkg.uni b/UefiCpuPkg/UefiCpuPkg.uni
index 1780dfdc126d..f4a0c72f6293 100644
--- a/UefiCpuPkg/UefiCpuPkg.uni
+++ b/UefiCpuPkg/UefiCpuPkg.uni
@@ -278,3 +278,6 @@
 
 #string STR_gUefiCpuPkgTokenSpaceGuid_PcdCpuApStatusCheckIntervalInMicroSeconds_PROMPT  #language en-US "Periodic interval value in microseconds for AP status check in DXE.\n"
 #string STR_gUefiCpuPkgTokenSpaceGuid_PcdCpuApStatusCheckIntervalInMicroSeconds_HELP    #language en-US "Periodic interval value in microseconds for the status check of APs for StartupAllAPs() and StartupThisAP() executed in non-blocking mode in DXE phase.\n"
+
+#string STR_gUefiCpuPkgTokenSpaceGuid_PcdSevEsIsEnabled_PROMPT  #language en-US "Specifies whether SEV-ES is enabled"
+#string STR_gUefiCpuPkgTokenSpaceGuid_PcdSevEsIsEnabled_HELP    #language en-US "Set to TRUE when running as an SEV-ES guest, FALSE otherwise."
-- 
2.17.1


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