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From: "Tobin Feldman-Fitzthum" <tobin@linux.ibm.com>
To: tobin@ibm.com, dovmurik@linux.vnet.ibm.com, jejb@linux.ibm.com,
	frankeh@us.ibm.com, pbonzini@redhat.com, ashish.kalra@amd.com,
	thomas.lendacky@amd.com, brijesh.singh@amd.com,
	dgilbert@redhat.com, srutherford@google.com,
	devel@edk2.groups.io, ard.biesheuvel@arm.com,
	jiewen.yao@intel.com
Subject: [RFC PATCH 2/9] OvmfPkg/PlatfomPei: Set Confidential Migration PCD
Date: Wed, 18 Aug 2021 17:20:41 -0400	[thread overview]
Message-ID: <20210818212048.162626-3-tobin@linux.ibm.com> (raw)
In-Reply-To: <20210818212048.162626-1-tobin@linux.ibm.com>

Confidential Migration relies on two boolean PCDs set from FW_CFG

Signed-off-by: Tobin Feldman-Fitzthum <tobin@linux.ibm.com>
---
 OvmfPkg/PlatformPei/PlatformPei.inf |  2 ++
 OvmfPkg/PlatformPei/Platform.c      | 10 ++++++++++
 2 files changed, 12 insertions(+)

diff --git a/OvmfPkg/PlatformPei/PlatformPei.inf b/OvmfPkg/PlatformPei/PlatformPei.inf
index 89d1f76368..2d92184c19 100644
--- a/OvmfPkg/PlatformPei/PlatformPei.inf
+++ b/OvmfPkg/PlatformPei/PlatformPei.inf
@@ -89,6 +89,8 @@
   gUefiOvmfPkgTokenSpaceGuid.PcdOvmfDecompressionScratchEnd
   gUefiOvmfPkgTokenSpaceGuid.PcdQ35TsegMbytes
   gUefiOvmfPkgTokenSpaceGuid.PcdQ35SmramAtDefaultSmbase
+  gUefiOvmfPkgTokenSpaceGuid.PcdStartConfidentialMigrationHandler
+  gUefiOvmfPkgTokenSpaceGuid.PcdIsConfidentialMigrationTarget
   gEfiMdePkgTokenSpaceGuid.PcdGuidedExtractHandlerTableAddress
   gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize
   gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize
diff --git a/OvmfPkg/PlatformPei/Platform.c b/OvmfPkg/PlatformPei/Platform.c
index d3a20122a2..f0963aaba9 100644
--- a/OvmfPkg/PlatformPei/Platform.c
+++ b/OvmfPkg/PlatformPei/Platform.c
@@ -272,6 +272,15 @@ NoexecDxeInitialization (
   UPDATE_BOOLEAN_PCD_FROM_FW_CFG (PcdSetNxForStack);
 }
 
+VOID
+ConfidentialMigrationInitialization (
+  VOID
+  )
+{
+  UPDATE_BOOLEAN_PCD_FROM_FW_CFG (PcdStartConfidentialMigrationHandler);
+  UPDATE_BOOLEAN_PCD_FROM_FW_CFG (PcdIsConfidentialMigrationTarget);
+}
+
 VOID
 PciExBarInitialization (
   VOID
@@ -742,6 +751,7 @@ InitializePlatform (
 
   InstallClearCacheCallback ();
   AmdSevInitialize ();
+  ConfidentialMigrationInitialization ();
   MiscInitialization ();
   InstallFeatureControlCallback ();
 
-- 
2.20.1


  parent reply	other threads:[~2021-08-18 21:21 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-18 21:20 [RFC PATCH 0/9] Firmware Support for Fast Live Migration for AMD SEV Tobin Feldman-Fitzthum
2021-08-18 21:20 ` [RFC PATCH 1/9] OvmfPkg/AmdSev: Base for Confidential Migration Handler Tobin Feldman-Fitzthum
2021-08-18 21:20 ` Tobin Feldman-Fitzthum [this message]
2021-08-18 21:20 ` [RFC PATCH 3/9] OvmfPkg/AmdSev: Setup Migration Handler Mailbox Tobin Feldman-Fitzthum
2021-08-18 21:20 ` [RFC PATCH 4/9] OvmfPkg/AmdSev: MH support for mailbox protocol Tobin Feldman-Fitzthum
2021-08-18 21:20 ` [RFC PATCH 5/9] OvmfPkg/AmdSev: Build page table for migration handler Tobin Feldman-Fitzthum
2021-08-18 21:20 ` [RFC PATCH 6/9] OvmfPkg/AmdSev: Don't overwrite mailbox or pagetables Tobin Feldman-Fitzthum
2021-08-18 21:20 ` [RFC PATCH 7/9] OvmfPkg/AmdSev: Don't overwrite MH stack Tobin Feldman-Fitzthum
2021-08-18 21:20 ` [RFC PATCH 8/9] OvmfPkg/AmdSev: Add Migration Handler entry point Tobin Feldman-Fitzthum
2021-08-18 21:20 ` [RFC PATCH 9/9] OvmfPkg/ResetVector: Expose Migration Handler Entry Addresses Tobin Feldman-Fitzthum

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