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From: "Brijesh Singh" <brijesh.singh@amd.com>
To: devel@edk2.groups.io
Cc: Brijesh Singh <brijesh.singh@amd.com>,
	James Bottomley <jejb@linux.ibm.com>, Min Xu <min.m.xu@intel.com>,
	Jiewen Yao <jiewen.yao@intel.com>,
	Tom Lendacky <thomas.lendacky@amd.com>,
	Jordan Justen <jordan.l.justen@intel.com>,
	Ard Biesheuvel <ardb+tianocore@kernel.org>,
	Laszlo Ersek <lersek@redhat.com>,
	Erdem Aktas <erdemaktas@google.com>,
	Michael D Kinney <michael.d.kinney@intel.com>,
	Liming Gao <gaoliming@byosoft.com.cn>,
	Zhiguang Liu <zhiguang.liu@intel.com>
Subject: [PATCH v2 01/13] MdePkg/Register/Amd: expand the SEV MSR to include the SNP definition
Date: Wed, 12 May 2021 18:46:03 -0500	[thread overview]
Message-ID: <20210512234615.1726-2-brijesh.singh@amd.com> (raw)
In-Reply-To: <20210512234615.1726-1-brijesh.singh@amd.com>

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3275

Define the SEV-SNP MSR bits.

Cc: James Bottomley <jejb@linux.ibm.com>
Cc: Min Xu <min.m.xu@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Erdem Aktas <erdemaktas@google.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Signed-off-by: Brijesh Singh <brijesh.singh@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


  reply	other threads:[~2021-05-12 23:46 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-12 23:46 [PATCH v2 00/13] Add GHCBv2 macro and helpers Brijesh Singh
2021-05-12 23:46 ` Brijesh Singh [this message]
2021-05-12 23:46 ` [PATCH v2 02/13] MdePkg/Register/Amd: realign macros with more space for future expansion Brijesh Singh
2021-05-12 23:46 ` [PATCH v2 03/13] MdePkg/Register/Amd: define GHCB macros for hypervisor feature detection Brijesh Singh
2021-05-17 18:19   ` Erdem Aktas
2021-05-12 23:46 ` [PATCH v2 04/13] MdePkg/Register/Amd: define GHCB macro for Register GPA structure Brijesh Singh
2021-05-17 18:25   ` Erdem Aktas
2021-05-18 16:02     ` Laszlo Ersek
2021-05-19  1:09       ` 回复: " gaoliming
2021-05-12 23:46 ` [PATCH v2 05/13] MdePkg/Register/Amd: define GHCB macro for the Page State Change Brijesh Singh
2021-05-17 19:20   ` Erdem Aktas
2021-05-12 23:46 ` [PATCH v2 06/13] MdePkg/Register/Amd: define GHCB macros for SNP AP creation Brijesh Singh
2021-05-17  3:08   ` [edk2-devel] " Laszlo Ersek
2021-05-17  7:39     ` 回复: " gaoliming
2021-05-17 14:17     ` Lendacky, Thomas
2021-05-18 16:00       ` Laszlo Ersek
2021-05-12 23:46 ` [PATCH v2 07/13] MdePkg/BaseLib: add support for PVALIDATE instruction Brijesh Singh
2021-05-17  3:16   ` [edk2-devel] " Laszlo Ersek
2021-05-12 23:46 ` [PATCH v2 08/13] MdePkg/BaseLib: add support for RMPADJUST instruction Brijesh Singh
2021-05-17  3:25   ` [edk2-devel] " Laszlo Ersek
2021-05-12 23:46 ` [PATCH v2 09/13] OvmfPkg/BaseMemEncryptSevLib: introduce MemEncryptSevClearMmioPageEncMask() Brijesh Singh
2021-05-17  3:32   ` [edk2-devel] " Laszlo Ersek
2021-05-12 23:46 ` [PATCH v2 10/13] OvmfPkg/AmdSevDxe: use MemEncryptSevClearMmioPageEncMask() to clear EncMask Brijesh Singh
2021-05-12 23:46 ` [PATCH v2 11/13] OvmfPkg/QemuFlashFvbServicesRuntimeDxe: use Mmio helper to clear enc mask Brijesh Singh
2021-05-12 23:46 ` [PATCH v2 12/13] OvmfPkg/TpmMmioSevDecryptPei: use MemEncryptSevClearMmioPageEncMask() Brijesh Singh
2021-05-12 23:46 ` [PATCH v2 13/13] OvmfPkg/BaseMemEncryptSevLib: remove Flush parameter Brijesh Singh
2021-05-17  3:46   ` [edk2-devel] " Laszlo Ersek

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