diff options
-rw-r--r-- | OvmfPkg/AmdSev/AmdSevX64.dsc | 3 | ||||
-rw-r--r-- | OvmfPkg/OvmfPkgIa32.dsc | 3 | ||||
-rw-r--r-- | OvmfPkg/OvmfPkgIa32X64.dsc | 3 | ||||
-rw-r--r-- | OvmfPkg/OvmfPkgX64.dsc | 3 | ||||
-rw-r--r-- | OvmfPkg/PlatformPei/AmdSev.c | 15 | ||||
-rw-r--r-- | OvmfPkg/PlatformPei/PlatformPei.inf | 1 |
6 files changed, 28 insertions, 0 deletions
diff --git a/OvmfPkg/AmdSev/AmdSevX64.dsc b/OvmfPkg/AmdSev/AmdSevX64.dsc index 2997929faa..8f5876341e 100644 --- a/OvmfPkg/AmdSev/AmdSevX64.dsc +++ b/OvmfPkg/AmdSev/AmdSevX64.dsc @@ -575,6 +575,9 @@ gEfiSecurityPkgTokenSpaceGuid.PcdOptionRomImageVerificationPolicy|0x00
+ # Set ConfidentialComputing defaults
+ gEfiMdePkgTokenSpaceGuid.PcdConfidentialComputingGuestAttr|0
+
!if $(TPM_ENABLE) == TRUE
gEfiSecurityPkgTokenSpaceGuid.PcdTpmInstanceGuid|{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
!endif
diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc index 1dc069e424..dbcfa5ab52 100644 --- a/OvmfPkg/OvmfPkgIa32.dsc +++ b/OvmfPkg/OvmfPkgIa32.dsc @@ -651,6 +651,9 @@ gEfiNetworkPkgTokenSpaceGuid.PcdIPv4PXESupport|0x01
gEfiNetworkPkgTokenSpaceGuid.PcdIPv6PXESupport|0x01
+ # Set ConfidentialComputing defaults
+ gEfiMdePkgTokenSpaceGuid.PcdConfidentialComputingGuestAttr|0
+
[PcdsDynamicHii]
!if $(TPM_ENABLE) == TRUE && $(TPM_CONFIG_ENABLE) == TRUE
gEfiSecurityPkgTokenSpaceGuid.PcdTcgPhysicalPresenceInterfaceVer|L"TCG2_VERSION"|gTcg2ConfigFormSetGuid|0x0|"1.3"|NV,BS
diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc index a766457e6b..e4597e7f03 100644 --- a/OvmfPkg/OvmfPkgIa32X64.dsc +++ b/OvmfPkg/OvmfPkgIa32X64.dsc @@ -659,6 +659,9 @@ gEfiSecurityPkgTokenSpaceGuid.PcdTpmInstanceGuid|{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
!endif
+ # Set ConfidentialComputing defaults
+ gEfiMdePkgTokenSpaceGuid.PcdConfidentialComputingGuestAttr|0
+
[PcdsDynamicDefault.X64]
# IPv4 and IPv6 PXE Boot support.
gEfiNetworkPkgTokenSpaceGuid.PcdIPv4PXESupport|0x01
diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc index 97b7cb40ff..08837bf8ec 100644 --- a/OvmfPkg/OvmfPkgX64.dsc +++ b/OvmfPkg/OvmfPkgX64.dsc @@ -662,6 +662,9 @@ gEfiNetworkPkgTokenSpaceGuid.PcdIPv4PXESupport|0x01
gEfiNetworkPkgTokenSpaceGuid.PcdIPv6PXESupport|0x01
+ # Set ConfidentialComputing defaults
+ gEfiMdePkgTokenSpaceGuid.PcdConfidentialComputingGuestAttr|0
+
[PcdsDynamicHii]
!if $(TPM_ENABLE) == TRUE && $(TPM_CONFIG_ENABLE) == TRUE
gEfiSecurityPkgTokenSpaceGuid.PcdTcgPhysicalPresenceInterfaceVer|L"TCG2_VERSION"|gTcg2ConfigFormSetGuid|0x0|"1.3"|NV,BS
diff --git a/OvmfPkg/PlatformPei/AmdSev.c b/OvmfPkg/PlatformPei/AmdSev.c index a0f9178ed6..c60a153a05 100644 --- a/OvmfPkg/PlatformPei/AmdSev.c +++ b/OvmfPkg/PlatformPei/AmdSev.c @@ -20,6 +20,7 @@ #include <Register/Amd/Msr.h>
#include <Register/Intel/SmramSaveStateMap.h>
#include <Library/VmgExitLib.h>
+#include <ConfidentialComputingGuestAttr.h>
#include "Platform.h"
@@ -345,4 +346,18 @@ AmdSevInitialize ( // Check and perform SEV-ES initialization if required.
//
AmdSevEsInitialize ();
+
+ //
+ // Set the Confidential computing attr PCD to communicate which SEV
+ // technology is active.
+ //
+ if (MemEncryptSevSnpIsEnabled ()) {
+ PcdStatus = PcdSet64S (PcdConfidentialComputingGuestAttr, CCAttrAmdSevSnp);
+ } else if (MemEncryptSevEsIsEnabled ()) {
+ PcdStatus = PcdSet64S (PcdConfidentialComputingGuestAttr, CCAttrAmdSevEs);
+ } else {
+ PcdStatus = PcdSet64S (PcdConfidentialComputingGuestAttr, CCAttrAmdSev);
+ }
+
+ ASSERT_RETURN_ERROR (PcdStatus);
}
diff --git a/OvmfPkg/PlatformPei/PlatformPei.inf b/OvmfPkg/PlatformPei/PlatformPei.inf index 67eb7aa716..bada5ea144 100644 --- a/OvmfPkg/PlatformPei/PlatformPei.inf +++ b/OvmfPkg/PlatformPei/PlatformPei.inf @@ -106,6 +106,7 @@ gUefiCpuPkgTokenSpaceGuid.PcdCpuBootLogicalProcessorNumber
gUefiCpuPkgTokenSpaceGuid.PcdCpuApStackSize
gUefiCpuPkgTokenSpaceGuid.PcdSevEsIsEnabled
+ gEfiMdePkgTokenSpaceGuid.PcdConfidentialComputingGuestAttr
[FixedPcd]
gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress
|