MdePkg ACPI: Correct processor struct of PPTT

[mirror_edk2.git] / MdePkg / Include / IndustryStandard / Tpm2Acpi.h

diff --git a/MdePkg/Include/IndustryStandard/Tpm2Acpi.h b/MdePkg/Include/IndustryStandard/Tpm2Acpi.h
index 73ef56124527f83d046f4a8f56d9f01375508ebb..6b8161e6a625eb9f5490bdee61c9720edb31ad87 100644 (file)
--- a/MdePkg/Include/IndustryStandard/Tpm2Acpi.h
+++ b/MdePkg/Include/IndustryStandard/Tpm2Acpi.h
@@ -1,7 +1,7 @@
 /** @file\r
   TPM2 ACPI table definition.\r
 \r
-Copyright (c) 2013, Intel Corporation. All rights reserved. <BR>\r
+Copyright (c) 2013 - 2017, Intel Corporation. All rights reserved. <BR>\r
 This program and the accompanying materials\r
 are licensed and made available under the terms and conditions of the BSD License\r
 which accompanies this distribution.  The full text of the license may be found at\r
@@ -19,10 +19,15 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 \r
 #pragma pack (1)\r
 \r
-#define EFI_TPM2_ACPI_TABLE_REVISION  3\r
+#define EFI_TPM2_ACPI_TABLE_REVISION_3  3\r
+#define EFI_TPM2_ACPI_TABLE_REVISION_4  4\r
+#define EFI_TPM2_ACPI_TABLE_REVISION    EFI_TPM2_ACPI_TABLE_REVISION_4\r
 \r
 typedef struct {\r
   EFI_ACPI_DESCRIPTION_HEADER Header;\r
+  // Flags field is replaced in version 4 and above\r
+  //    BIT0~15:  PlatformClass      This field is only valid for version 4 and above\r
+  //    BIT16~31: Reserved\r
   UINT32                      Flags;\r
   UINT64                      AddressOfControlArea;\r
   UINT32                      StartMethod;\r