On 7/12/22 13:13, gaoliming wrote:
Alexey:
-----邮件原件-----
发件人: devel@edk2.groups.io <devel@edk2.groups.io> 代表 Alexey
Kardashevskiy via groups.io
发送时间: 2022年12月1日 10:35
收件人: devel@edk2.groups.io
抄送: Ard Biesheuvel <ardb+tianoc...@kernel.org>; Jiewen Yao
<jiewen....@intel.com>; Jordan Justen <jordan.l.jus...@intel.com>; Gerd
Hoffmann <kra...@redhat.com>; Brijesh Singh <brijesh.si...@amd.com>;
Erdem Aktas <erdemak...@google.com>; James Bottomley
<j...@linux.ibm.com>; Min Xu <min.m...@intel.com>; Tom Lendacky
<thomas.lenda...@amd.com>; Alexey Kardashevskiy <a...@amd.com>
主题: [edk2-devel] [PATCH ovmf 1/5] MdePkg/Register/Amd: Define all bits
from MSR_SEV_STATUS_REGISTER
We will need soon DebugSwap but others likely too.
Signed-off-by: Alexey Kardashevskiy <a...@amd.com>
---
MdePkg/Include/Register/Amd/Fam17Msr.h | 57 +++++++++++++++++++-
1 file changed, 56 insertions(+), 1 deletion(-)
diff --git a/MdePkg/Include/Register/Amd/Fam17Msr.h
b/MdePkg/Include/Register/Amd/Fam17Msr.h
index bb4e143e2456..f9474e6776f2 100644
--- a/MdePkg/Include/Register/Amd/Fam17Msr.h
+++ b/MdePkg/Include/Register/Amd/Fam17Msr.h
@@ -121,7 +121,62 @@ typedef union {
///
UINT32 SevSnpBit : 1;
- UINT32 Reserved2 : 29;
+ ///
+ /// [Bit 3] The guest was run with the Virtual TOM feature enabled in
SEV_FEATURES[1]
+ ///
+ UINT32 vTOM_Enabled : 1;
+
This name doesn't follow name convention. You can create pull request to see
CI test result.
It is though what 40332.pdf ("AMD64 Architecture Programmer’s Manual:
Volumes 1-5") uses and I find it _extremely_ useful when searching for a
feature in 3000+ pages PDF.
What is the preferred way?
Thanks,
Thanks
Liming
+ ///
+ /// [Bit 4] The guest was run with the ReflectVC feature enabled in
SEV_FEATURES[2]
+ ///
+ UINT32 ReflectVC : 1;
+
+ ///
+ /// [Bit 5] The guest was run with the Restricted Injection feature
enabled in SEV_FEATURES[3]
+ ///
+ UINT32 RestrictedInjection : 1;
+
+ ///
+ /// [Bit 6] The guest was run with the Alternate Injection feature
enabled in SEV_FEATURES[4]
+ ///
+ UINT32 AlternateInjection : 1;
+
+ ///
+ /// [Bit 7] This guest was run with debug register swapping enabled
in
SEV_FEATURES[5]
+ ///
+ UINT32 DebugSwap : 1;
+
+ ///
+ /// [Bit 8] This guest was run with the PreventHostIBS feature
enabled in SEV_FEATURES[6]
+ ///
+ UINT32 PreventHostIBS : 1;
+
+ ///
+ /// [Bit 9] The guest was run with the BTB isolation feature enabled
in
SEV_FEATURES[7]
+ ///
+ UINT32 SNPBTBIsolation : 1;
+
+ ///
+ /// [Bit 10]
+ ///
+ UINT32 Reserved0 : 1;
+
+ ///
+ /// [Bit 11] The guest was run with the Secure TSC feature enabled in
SEV_FEATURES[9]
+ ///
+ UINT32 SecureTsc : 1;
+
+ ///
+ /// [Bits 12 13 14 15]
+ ///
+ UINT32 Reserved1 : 4;
+
+ ///
+ /// [Bit 16] The guest was run with the VMSA Register Protection
feature enabled in SEV_FEATURES[14]
+ ///
+ UINT32 VmsaRegProt_Enabled : 1;
+
+ UINT32 Reserved2 : 15;
} Bits;
///
/// All bit fields as a 32-bit value
--
2.38.1
--
Alexey
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