SecurityPkg/TcgPpi: Add TcgPpi header file.

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2841

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Qi Zhang <qi1.zhang@intel.com>
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Qi Zhang <qi1.zhang@intel.com>
Reviewed-by: Jian J Wang <jian.j.wang@intel.com>

diff --git a/SecurityPkg/Include/Ppi/Tcg.h b/SecurityPkg/Include/Ppi/Tcg.h
new file mode 100644 (file)
index 0000000..0e943f2
--- /dev/null
+++ b/SecurityPkg/Include/Ppi/Tcg.h
@@ -0,0 +1,60 @@
+/** @file\r
+  TCG PPI services.\r
+\r
+Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
+\r
+**/\r
+\r
+#ifndef _TCG_PPI_H_\r
+#define _TCG_PPI_H_\r
+\r
+#include <IndustryStandard/UefiTcgPlatform.h>\r
+\r
+typedef struct _EDKII_TCG_PPI EDKII_TCG_PPI;\r
+\r
+//\r
+// This bit is shall be set when HashData is the pre-hash digest.\r
+//\r
+#define EDKII_TCG_PRE_HASH  0x0000000000000001\r
+\r
+/**\r
+  Tpm measure and log data, and extend the measurement result into a specific PCR.\r
+\r
+  @param[in]      This          Indicates the calling context\r
+  @param[in]      Flags         Bitmap providing additional information\r
+  @param[in]      HashData      If BIT0 of Flags is 0, it is physical address of the\r
+                                start of the data buffer to be hashed, extended, and logged.\r
+                                If BIT0 of Flags is 1, it is physical address of the\r
+                                start of the pre-hash data buffter to be extended, and logged.\r
+                                The pre-hash data format is TPML_DIGEST_VALUES.\r
+  @param[in]      HashDataLen   The length, in bytes, of the buffer referenced by HashData.\r
+  @param[in]      NewEventHdr   Pointer to a TCG_PCR_EVENT_HDR data structure.\r
+  @param[in]      NewEventData  Pointer to the new event data.\r
+\r
+  @retval EFI_SUCCESS           Operation completed successfully.\r
+  @retval EFI_UNSUPPORTED       TPM device not available.\r
+  @retval EFI_OUT_OF_RESOURCES  Out of memory.\r
+  @retval EFI_DEVICE_ERROR      The operation was unsuccessful.\r
+**/\r
+typedef\r
+EFI_STATUS\r
+(EFIAPI *EDKII_TCG_HASH_LOG_EXTEND_EVENT)(\r
+  IN      EDKII_TCG_PPI             *This,\r
+  IN      UINT64                    Flags,\r
+  IN      UINT8                     *HashData,\r
+  IN      UINTN                     HashDataLen,\r
+  IN      TCG_PCR_EVENT_HDR         *NewEventHdr,\r
+  IN      UINT8                     *NewEventData\r
+  );\r
+\r
+///\r
+/// The EFI_TCG Protocol abstracts TCG activity.\r
+///\r
+struct _EDKII_TCG_PPI {\r
+  EDKII_TCG_HASH_LOG_EXTEND_EVENT     HashLogExtendEvent;\r
+};\r
+\r
+extern EFI_GUID gEdkiiTcgPpiGuid;\r
+\r
+#endif\r