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-rw-r--r--MdePkg/Include/Register/Amd/Fam17Msr.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/MdePkg/Include/Register/Amd/Fam17Msr.h b/MdePkg/Include/Register/Amd/Fam17Msr.h
index e4db09c518..716d52fd50 100644
--- a/MdePkg/Include/Register/Amd/Fam17Msr.h
+++ b/MdePkg/Include/Register/Amd/Fam17Msr.h
@@ -87,7 +87,12 @@ typedef union {
///
UINT32 SevEsBit:1;
- UINT32 Reserved:30;
+ ///
+ /// [Bit 2] Secure Nested Paging (SevSnp) is enabled
+ ///
+ UINT32 SevSnpBit:1;
+
+ UINT32 Reserved2:29;
} Bits;
///
/// All bit fields as a 32-bit value