[edk2-devel] [PATCH ovmf v4 1/5] MdePkg/Register/Amd: Define all bits from MSR_SEV_STATUS_REGISTER

["Alexey Kardashevskiy via groups.io" <aik=amd.com@groups.io>]

For now we need DebugSwap but others are likely to be needed too.

Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Signed-off-by: Alexey Kardashevskiy <aik@amd.com>
---
Changes:
v4:
* added more from April/2024 APM
---
 MdePkg/Include/Register/Amd/Fam17Msr.h | 95 +++++++++++++++++++-
 1 file changed, 91 insertions(+), 4 deletions(-)

diff --git a/MdePkg/Include/Register/Amd/Fam17Msr.h b/MdePkg/Include/Register/Amd/Fam17Msr.h
index f2d5ccb39dc7..286b337f70fa 100644
--- a/MdePkg/Include/Register/Amd/Fam17Msr.h
+++ b/MdePkg/Include/Register/Amd/Fam17Msr.h
@@ -126,19 +126,106 @@ typedef union {
     ///
     /// [Bit 0] Secure Encrypted Virtualization (Sev) is enabled
     ///
-    UINT32    SevBit    : 1;
+    UINT32    SevBit              : 1;
 
     ///
     /// [Bit 1] Secure Encrypted Virtualization Encrypted State (SevEs) is enabled
     ///
-    UINT32    SevEsBit  : 1;
+    UINT32    SevEsBit            : 1;
 
     ///
     /// [Bit 2] Secure Nested Paging (SevSnp) is enabled
     ///
-    UINT32    SevSnpBit : 1;
+    UINT32    SevSnpBit           : 1;
 
-    UINT32    Reserved2 : 29;
+    ///
+    /// [Bit 3] Virtual TOM feature is enabled in SEV_FEATURES[1]
+    ///
+    UINT32    vTOM                : 1;
+
+    ///
+    /// [Bit 4] ReflectVC feature is enabled in SEV_FEATURES[2]
+    ///
+    UINT32    ReflectVC           : 1;
+
+    ///
+    /// [Bit 5] Restricted Injection feature is enabled in SEV_FEATURES[3]
+    ///
+    UINT32    RestrictedInjection : 1;
+
+    ///
+    /// [Bit 6] Alternate Injection feature is enabled in SEV_FEATURES[4]
+    ///
+    UINT32    AlternateInjection  : 1;
+
+    ///
+    /// [Bit 7] Debug Virtualization feature is enabled in SEV_FEATURES[5]
+    ///
+    UINT32    DebugVirtualization : 1;
+
+    ///
+    /// [Bit 8]  PreventHostIBS feature is enabled in SEV_FEATURES[6]
+    ///
+    UINT32    PreventHostIBS      : 1;
+
+    ///
+    /// [Bit 9] BTB isolation feature is enabled in SEV_FEATURES[7]
+    ///
+    UINT32    SNPBTBIsolation     : 1;
+
+    ///
+    /// [Bit 10] VMPL SSS feature is enabled in SEV_FEATURES[8]
+    ///
+    UINT32    VmplSSS             : 1;
+
+    ///
+    /// [Bit 11] Secure TSC feature is enabled in SEV_FEATURES[9]
+    ///
+    UINT32    SecureTsc           : 1;
+
+    ///
+    /// [Bit 12] VMGEXIT Parameter feature is enabled in SEV_FEATURES[10]
+    ///
+    UINT32    VmgexitParameter    : 1;
+
+    ///
+    /// [Bit 13] PMC Virtualization feature is enabled in SEV_FEATURES[11]
+    ///
+    UINT32    PmcVirtualization   : 1;
+
+    ///
+    /// [Bit 14] IBS Virtualization feature is enabled in SEV_FEATURES[12]
+    ///
+    UINT32    IbsVirtualization   : 1;
+
+    ///
+    /// [Bit 15]
+    ///
+    UINT32    Reserved1           : 1;
+
+    ///
+    /// [Bit 16] VMSA Register Protection feature is enabled in SEV_FEATURES[14]
+    ///
+    UINT32    VmsaRegProt         : 1;
+
+    ///
+    /// [Bit 17] SMT Protection feature is enabled in SEV_FEATURES[15]
+    ///
+    UINT32    SmtProtection       : 1;
+    ///
+    ///
+    /// [Bit 18] Secure AVIC feature is enabled in SEV_FEATURES[16]
+    ///
+    UINT32    SecureAVIC          : 1;
+
+    UINT32    Reserved2           : 4;
+
+    ///
+    /// [Bit 23] IBPB on Entry feature is enabled in SEV_FEATURES[21]
+    ///
+    UINT32    IbpbOnEntry         : 1;
+
+    UINT32    Reserved3           : 8;
   } Bits;
   ///
   /// All bit fields as a 32-bit value
-- 
2.44.0



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