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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>
Subject: [PATCH v2 10/13] OvmfPkg/AmdSevDxe: use MemEncryptSevClearMmioPageEncMask() to clear EncMask
Date: Wed, 12 May 2021 18:46:12 -0500	[thread overview]
Message-ID: <20210512234615.1726-11-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

Use the MemEncryptSevClearMmioPageEncMask() to clear memory encryption mask
for the Mmio and NonExistent address range.

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>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
---
 OvmfPkg/AmdSevDxe/AmdSevDxe.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/OvmfPkg/AmdSevDxe/AmdSevDxe.c b/OvmfPkg/AmdSevDxe/AmdSevDxe.c
index 689bfb376d03..80831b81facf 100644
--- a/OvmfPkg/AmdSevDxe/AmdSevDxe.c
+++ b/OvmfPkg/AmdSevDxe/AmdSevDxe.c
@@ -53,11 +53,10 @@ AmdSevDxeEntryPoint (
       Desc = &AllDescMap[Index];
       if (Desc->GcdMemoryType == EfiGcdMemoryTypeMemoryMappedIo ||
           Desc->GcdMemoryType == EfiGcdMemoryTypeNonExistent) {
-        Status = MemEncryptSevClearPageEncMask (
+        Status = MemEncryptSevClearMmioPageEncMask (
                    0,
                    Desc->BaseAddress,
-                   EFI_SIZE_TO_PAGES (Desc->Length),
-                   FALSE
+                   EFI_SIZE_TO_PAGES (Desc->Length)
                    );
         ASSERT_EFI_ERROR (Status);
       }
@@ -73,11 +72,10 @@ AmdSevDxeEntryPoint (
   // the range.
   //
   if (PcdGet16 (PcdOvmfHostBridgePciDevId) == INTEL_Q35_MCH_DEVICE_ID) {
-    Status = MemEncryptSevClearPageEncMask (
+    Status = MemEncryptSevClearMmioPageEncMask (
                0,
                FixedPcdGet64 (PcdPciExpressBaseAddress),
-               EFI_SIZE_TO_PAGES (SIZE_256MB),
-               FALSE
+               EFI_SIZE_TO_PAGES (SIZE_256MB)
                );
 
     ASSERT_EFI_ERROR (Status);
-- 
2.17.1


  parent 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 ` [PATCH v2 01/13] MdePkg/Register/Amd: expand the SEV MSR to include the SNP definition Brijesh Singh
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 ` Brijesh Singh [this message]
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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