OvmfPkg/TpmMmioSevDecryptPei: use MemEncryptSevClearMmioPageEncMask()

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@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>
Message-Id: <20210519181949.6574-13-brijesh.singh@amd.com>

diff --git a/OvmfPkg/Tcg/TpmMmioSevDecryptPei/TpmMmioSevDecryptPeim.c b/OvmfPkg/Tcg/TpmMmioSevDecryptPei/TpmMmioSevDecryptPeim.c
index df2ad623308d76ac3d43dd3e4c78b6a94ea32771..570c8467a673337b97d37ff0f14657fbd0fa0244 100644 (file)
--- a/OvmfPkg/Tcg/TpmMmioSevDecryptPei/TpmMmioSevDecryptPeim.c
+++ b/OvmfPkg/Tcg/TpmMmioSevDecryptPei/TpmMmioSevDecryptPeim.c
@@ -62,11 +62,10 @@ TpmMmioSevDecryptPeimEntryPoint (
       "%a: mapping TPM MMIO address range unencrypted\n",\r
       __FUNCTION__));\r
 \r
-    DecryptStatus = MemEncryptSevClearPageEncMask (\r
+    DecryptStatus = MemEncryptSevClearMmioPageEncMask (\r
                       0,\r
                       FixedPcdGet64 (PcdTpmBaseAddress),\r
-                      EFI_SIZE_TO_PAGES ((UINTN) 0x5000),\r
-                      FALSE\r
+                      EFI_SIZE_TO_PAGES ((UINTN) 0x5000)\r
                       );\r
 \r
     if (RETURN_ERROR (DecryptStatus)) {\r