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From: "Lendacky, Thomas" <thomas.lendacky@amd.com>
To: devel@edk2.groups.io
Subject: [PATCH v12 41/46] UefiCpuPkg/MpInitLib: Add CPU MP data flag to indicate if SEV-ES is enabled
Date: Mon, 27 Jul 2020 13:43:26 -0500	[thread overview]
Message-ID: <02616d06071387533c092505be7e2bd54cde9596.1595863587.git.thomas.lendacky@amd.com> (raw)
In-Reply-To: <cover.1595863587.git.thomas.lendacky@amd.com>

From: Tom Lendacky <thomas.lendacky@amd.com>

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198

When starting APs in an SMP configuration, the AP needs to know if it is
running as an SEV-ES guest in order to assign a GHCB page.

Add a field to the CPU_MP_DATA structure that will indicate if SEV-ES is
enabled. This new field is set during MP library initialization with the
PCD value PcdSevEsIsEnabled. This flag can then be used to determine if
SEV-ES is enabled.

Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
---
 UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf | 1 +
 UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf | 1 +
 UefiCpuPkg/Library/MpInitLib/MpLib.h          | 2 ++
 UefiCpuPkg/Library/MpInitLib/MpLib.c          | 1 +
 4 files changed, 5 insertions(+)

diff --git a/UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf b/UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf
index 9907f4157b09..583276595619 100644
--- a/UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf
+++ b/UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf
@@ -71,4 +71,5 @@ [Pcd]
   gUefiCpuPkgTokenSpaceGuid.PcdCpuApLoopMode                           ## CONSUMES
   gUefiCpuPkgTokenSpaceGuid.PcdCpuApTargetCstate                       ## SOMETIMES_CONSUMES
   gUefiCpuPkgTokenSpaceGuid.PcdCpuApStatusCheckIntervalInMicroSeconds  ## CONSUMES
+  gUefiCpuPkgTokenSpaceGuid.PcdSevEsIsEnabled                          ## CONSUMES
   gEfiMdeModulePkgTokenSpaceGuid.PcdCpuStackGuard                      ## CONSUMES
diff --git a/UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf b/UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf
index 89ee9a79d8c5..4b3d39fbf36c 100644
--- a/UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf
+++ b/UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf
@@ -61,6 +61,7 @@ [Pcd]
   gUefiCpuPkgTokenSpaceGuid.PcdCpuMicrocodePatchRegionSize         ## CONSUMES
   gUefiCpuPkgTokenSpaceGuid.PcdCpuApLoopMode                       ## CONSUMES
   gUefiCpuPkgTokenSpaceGuid.PcdCpuApTargetCstate                   ## SOMETIMES_CONSUMES
+  gUefiCpuPkgTokenSpaceGuid.PcdSevEsIsEnabled                      ## CONSUMES
 
 [Ppis]
   gEdkiiPeiShadowMicrocodePpiGuid        ## SOMETIMES_CONSUMES
diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.h b/UefiCpuPkg/Library/MpInitLib/MpLib.h
index a8ca03efb8e3..5b46c295b6b2 100644
--- a/UefiCpuPkg/Library/MpInitLib/MpLib.h
+++ b/UefiCpuPkg/Library/MpInitLib/MpLib.h
@@ -276,6 +276,8 @@ struct _CPU_MP_DATA {
   // driver.
   //
   BOOLEAN                        WakeUpByInitSipiSipi;
+
+  BOOLEAN                        SevEsIsEnabled;
 };
 
 extern EFI_GUID mCpuInitMpLibHobGuid;
diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c b/UefiCpuPkg/Library/MpInitLib/MpLib.c
index 9b0660a5d4ea..2a3fbeef35f7 100644
--- a/UefiCpuPkg/Library/MpInitLib/MpLib.c
+++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c
@@ -1704,6 +1704,7 @@ MpInitLibInitialize (
   CpuMpData->CpuData          = (CPU_AP_DATA *) (CpuMpData + 1);
   CpuMpData->CpuInfoInHob     = (UINT64) (UINTN) (CpuMpData->CpuData + MaxLogicalProcessorNumber);
   InitializeSpinLock(&CpuMpData->MpLock);
+  CpuMpData->SevEsIsEnabled = PcdGetBool (PcdSevEsIsEnabled);
 
   //
   // Make sure no memory usage outside of the allocated buffer.
-- 
2.27.0


  parent reply	other threads:[~2020-07-27 18:43 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-27 15:25 [PATCH v12 00/46] SEV-ES guest support Lendacky, Thomas
2020-07-27 15:25 ` [PATCH v12 01/46] MdeModulePkg: Create PCDs to be used in support of SEV-ES Lendacky, Thomas
2020-07-27 15:25 ` [PATCH v12 02/46] UefiCpuPkg: Create PCD " Lendacky, Thomas
2020-07-27 15:25 ` [PATCH v12 03/46] MdePkg: Add the MSR definition for the GHCB register Lendacky, Thomas
2020-07-27 15:25 ` [PATCH v12 04/46] MdePkg: Add a structure definition for the GHCB Lendacky, Thomas
2020-07-27 15:25 ` [PATCH v12 05/46] MdeModulePkg/DxeIplPeim: Support GHCB pages when creating page tables Lendacky, Thomas
2020-07-27 15:25 ` [PATCH v12 06/46] MdePkg/BaseLib: Add support for the XGETBV instruction Lendacky, Thomas
2020-07-27 15:25 ` [PATCH v12 07/46] MdePkg/BaseLib: Add support for the VMGEXIT instruction Lendacky, Thomas
2020-07-28  1:34   ` Liming Gao
2020-07-28  4:07     ` Lendacky, Thomas
2020-07-28  7:39       ` Liming Gao
2020-07-28 12:04         ` Laszlo Ersek
2020-07-28 13:44           ` Liming Gao
2020-07-28 14:13           ` Lendacky, Thomas
2020-07-28 15:19             ` Laszlo Ersek
2020-07-29  1:13               ` Liming Gao
2020-07-27 15:25 ` [PATCH v12 08/46] UefiCpuPkg: Implement library support for VMGEXIT Lendacky, Thomas
2020-07-27 15:25 ` [PATCH v12 09/46] OvmfPkg: Prepare OvmfPkg to use the VmgExitLib library Lendacky, Thomas
2020-07-27 15:25 ` [PATCH v12 10/46] UefiPayloadPkg: Prepare UefiPayloadPkg " Lendacky, Thomas
2020-07-27 15:25 ` [PATCH v12 11/46] UefiCpuPkg/CpuExceptionHandler: Add base support for the #VC exception Lendacky, Thomas
2020-07-27 15:25 ` [PATCH v12 12/46] OvmfPkg/VmgExitLib: Implement library support for VmgExitLib in OVMF Lendacky, Thomas
2020-07-27 15:25 ` [PATCH v12 13/46] OvmfPkg/VmgExitLib: Add support for IOIO_PROT NAE events Lendacky, Thomas
2020-07-27 15:25 ` [PATCH v12 14/46] OvmfPkg/VmgExitLib: Support string IO " Lendacky, Thomas
2020-07-27 15:25 ` [PATCH v12 15/46] OvmfPkg/VmgExitLib: Add support for CPUID " Lendacky, Thomas
2020-07-27 15:25 ` [PATCH v12 16/46] OvmfPkg/VmgExitLib: Add support for MSR_PROT " Lendacky, Thomas
2020-07-27 15:25 ` [PATCH v12 17/46] OvmfPkg/VmgExitLib: Add support for NPF NAE events (MMIO) Lendacky, Thomas
2020-07-27 15:25 ` [PATCH v12 18/46] OvmfPkg/VmgExitLib: Add support for WBINVD NAE events Lendacky, Thomas
2020-07-27 15:26 ` [PATCH v12 19/46] OvmfPkg/VmgExitLib: Add support for RDTSC " Lendacky, Thomas
2020-07-27 15:26 ` [PATCH v12 20/46] OvmfPkg/VmgExitLib: Add support for RDPMC " Lendacky, Thomas
2020-07-27 15:26 ` [PATCH v12 21/46] OvmfPkg/VmgExitLib: Add support for INVD " Lendacky, Thomas
2020-07-27 15:26 ` [PATCH v12 22/46] OvmfPkg/VmgExitLib: Add support for VMMCALL " Lendacky, Thomas
2020-07-27 15:26 ` [PATCH v12 23/46] OvmfPkg/VmgExitLib: Add support for RDTSCP " Lendacky, Thomas
2020-07-27 15:26 ` [PATCH v12 24/46] OvmfPkg/VmgExitLib: Add support for MONITOR/MONITORX " Lendacky, Thomas
2020-07-27 15:26 ` [PATCH v12 25/46] OvmfPkg/VmgExitLib: Add support for MWAIT/MWAITX " Lendacky, Thomas
2020-07-27 15:26 ` [PATCH v12 26/46] OvmfPkg/VmgExitLib: Add support for DR7 Read/Write " Lendacky, Thomas
2020-07-27 15:26 ` [PATCH v12 27/46] OvmfPkg/MemEncryptSevLib: Add an SEV-ES guest indicator function Lendacky, Thomas
2020-07-27 15:26 ` [PATCH v12 28/46] OvmfPkg: Add support to perform SEV-ES initialization Lendacky, Thomas
2020-07-27 15:26 ` [PATCH v12 29/46] OvmfPkg: Create a GHCB page for use during Sec phase Lendacky, Thomas
2020-07-27 15:26 ` [PATCH v12 30/46] OvmfPkg/PlatformPei: Reserve GHCB-related areas if S3 is supported Lendacky, Thomas
2020-07-27 15:26 ` [PATCH v12 31/46] OvmfPkg: Create GHCB pages for use during Pei and Dxe phase Lendacky, Thomas
2020-07-27 15:26 ` [PATCH v12 32/46] OvmfPkg/PlatformPei: Move early GDT into ram when SEV-ES is enabled Lendacky, Thomas
2020-07-27 15:26 ` [PATCH v12 33/46] UefiCpuPkg: Create an SEV-ES workarea PCD Lendacky, Thomas
2020-07-27 15:26 ` [PATCH v12 34/46] OvmfPkg: Reserve a page in memory for the SEV-ES usage Lendacky, Thomas
2020-07-27 15:26 ` [PATCH v12 35/46] OvmfPkg/PlatformPei: Reserve SEV-ES work area if S3 is supported Lendacky, Thomas
2020-07-27 15:26 ` [PATCH v12 36/46] OvmfPkg/ResetVector: Add support for a 32-bit SEV check Lendacky, Thomas
2020-07-27 15:26 ` [PATCH v12 37/46] OvmfPkg/Sec: Add #VC exception handling for Sec phase Lendacky, Thomas
2020-07-27 15:26 ` [PATCH v12 38/46] OvmfPkg/Sec: Enable cache early to speed up booting Lendacky, Thomas
2020-07-27 15:26 ` [PATCH v12 39/46] OvmfPkg/QemuFlashFvbServicesRuntimeDxe: Bypass flash detection with SEV-ES Lendacky, Thomas
2020-07-27 17:41 ` [edk2-devel] [PATCH v12 00/46] SEV-ES guest support Laszlo Ersek
2020-07-27 17:43   ` Laszlo Ersek
2020-07-27 17:49     ` Lendacky, Thomas
2020-07-28 10:07       ` Laszlo Ersek
2020-07-28 12:52         ` Lendacky, Thomas
2020-07-28 13:59           ` Laszlo Ersek
2020-07-27 18:43 ` [PATCH v12 40/46] UefiCpuPkg: Add a 16-bit protected mode code segment descriptor Lendacky, Thomas
2020-07-27 18:43 ` Lendacky, Thomas [this message]
2020-07-27 18:43 ` [PATCH v12 42/46] UefiCpuPkg: Allow AP booting under SEV-ES Lendacky, Thomas
2020-07-27 18:43 ` [PATCH v12 43/46] OvmfPkg: Use the SEV-ES work area for the SEV-ES AP reset vector Lendacky, Thomas
2020-07-27 18:43 ` [PATCH v12 44/46] OvmfPkg: Move the GHCB allocations into reserved memory Lendacky, Thomas
2020-07-27 18:43 ` [PATCH v12 45/46] UefiCpuPkg/MpInitLib: Prepare SEV-ES guest APs for OS use Lendacky, Thomas
2020-07-27 18:43 ` [PATCH v12 46/46] Maintainers.txt: Add reviewers for the OvmfPkg SEV-related files Lendacky, Thomas

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