BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3275
Define the SEV-SNP MSR bits.
Cc: James Bottomley <j...@linux.ibm.com>
Cc: Min Xu <min.m...@intel.com>
Cc: Jiewen Yao <jiewen....@intel.com>
Cc: Tom Lendacky <thomas.lenda...@amd.com>
Cc: Jordan Justen <jordan.l.jus...@intel.com>
Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org>
Cc: Laszlo Ersek <ler...@redhat.com>
Cc: Erdem Aktas <erdemak...@google.com>
Cc: Michael D Kinney <michael.d.kin...@intel.com>
Cc: Liming Gao <gaolim...@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang....@intel.com>
Reviewed-by: Laszlo Ersek <ler...@redhat.com>
Reviewed-by: Liming Gao <gaolim...@byosoft.com.cn>
Signed-off-by: Brijesh Singh <brijesh.si...@amd.com>
---
MdePkg/Include/Register/Amd/Fam17Msr.h | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/MdePkg/Include/Register/Amd/Fam17Msr.h
b/MdePkg/Include/Register/Amd/Fam17Msr.h
index e4db09c5184c..716d52fd508d 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
--
2.17.1
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