[edk2-devel] [PATCH v3 11/13] OvmfPkg/QemuFlashFvbServicesRuntimeDxe: use Mmio helper to clear enc mask

[Brijesh Singh]

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

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

Cc: James Bottomley <jejb at linux.ibm.com>
Cc: Min Xu <min.m.xu at intel.com>
Cc: Jiewen Yao <jiewen.yao at intel.com>
Cc: Tom Lendacky <thomas.lendacky at amd.com>
Cc: Jordan Justen <jordan.l.justen at intel.com>
Cc: Ard Biesheuvel <ardb+tianocore at kernel.org>
Cc: Laszlo Ersek <lersek at redhat.com>
Cc: Erdem Aktas <erdemaktas at google.com>
Reviewed-by: Laszlo Ersek <lersek at redhat.com>
Signed-off-by: Brijesh Singh <brijesh.singh at amd.com>
---
 OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockServiceDxe.c | 5 ++---
 OvmfPkg/QemuFlashFvbServicesRuntimeDxe/QemuFlashSmm.c      | 5 ++---
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockServiceDxe.c b/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockServiceDxe.c
index 1f285e008372..ab40087a8408 100644
--- a/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockServiceDxe.c
+++ b/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockServiceDxe.c
@@ -205,11 +205,10 @@ MarkIoMemoryRangeForRuntimeAccess (
   // memory range.
   //
   if (MemEncryptSevIsEnabled ()) {
-    Status = MemEncryptSevClearPageEncMask (
+    Status = MemEncryptSevClearMmioPageEncMask (
                0,
                BaseAddress,
-               EFI_SIZE_TO_PAGES (Length),
-               FALSE
+               EFI_SIZE_TO_PAGES (Length)
                );
     ASSERT_EFI_ERROR (Status);
   }
diff --git a/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/QemuFlashSmm.c b/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/QemuFlashSmm.c
index 7eb80bfeffae..ea75b489c7fd 100644
--- a/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/QemuFlashSmm.c
+++ b/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/QemuFlashSmm.c
@@ -38,11 +38,10 @@ QemuFlashBeforeProbe (
   // C-bit on flash ranges from SMM page table.
   //
 
-  Status = MemEncryptSevClearPageEncMask (
+  Status = MemEncryptSevClearMmioPageEncMask (
              0,
              BaseAddress,
-             EFI_SIZE_TO_PAGES (FdBlockSize * FdBlockCount),
-             FALSE
+             EFI_SIZE_TO_PAGES (FdBlockSize * FdBlockCount)
              );
   ASSERT_EFI_ERROR (Status);
 }
-- 
2.17.1



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