[edk2-devel] [PATCH v6 1/6] SecurityPkg/TcgPpi: Add TcgPpi header file.

[Qi Zhang]

From: Jiewen Yao <jiewen.yao at intel.com>

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

Cc: Jiewen Yao <jiewen.yao at intel.com>
Cc: Jian J Wang <jian.j.wang at intel.com>
Cc: Qi Zhang <qi1.zhang at intel.com>
Signed-off-by: Jiewen Yao <jiewen.yao at intel.com>
---
 SecurityPkg/Include/Ppi/Tcg.h | 60 +++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 SecurityPkg/Include/Ppi/Tcg.h

diff --git a/SecurityPkg/Include/Ppi/Tcg.h b/SecurityPkg/Include/Ppi/Tcg.h
new file mode 100644
index 0000000000..0e943f2465
--- /dev/null
+++ b/SecurityPkg/Include/Ppi/Tcg.h
@@ -0,0 +1,60 @@
+/** @file
+  TCG PPI services.
+
+Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _TCG_PPI_H_
+#define _TCG_PPI_H_
+
+#include <IndustryStandard/UefiTcgPlatform.h>
+
+typedef struct _EDKII_TCG_PPI EDKII_TCG_PPI;
+
+//
+// This bit is shall be set when HashData is the pre-hash digest.
+//
+#define EDKII_TCG_PRE_HASH  0x0000000000000001
+
+/**
+  Tpm measure and log data, and extend the measurement result into a specific PCR.
+
+  @param[in]      This          Indicates the calling context
+  @param[in]      Flags         Bitmap providing additional information
+  @param[in]      HashData      If BIT0 of Flags is 0, it is physical address of the
+                                start of the data buffer to be hashed, extended, and logged.
+                                If BIT0 of Flags is 1, it is physical address of the
+                                start of the pre-hash data buffter to be extended, and logged.
+                                The pre-hash data format is TPML_DIGEST_VALUES.
+  @param[in]      HashDataLen   The length, in bytes, of the buffer referenced by HashData.
+  @param[in]      NewEventHdr   Pointer to a TCG_PCR_EVENT_HDR data structure.
+  @param[in]      NewEventData  Pointer to the new event data.
+
+  @retval EFI_SUCCESS           Operation completed successfully.
+  @retval EFI_UNSUPPORTED       TPM device not available.
+  @retval EFI_OUT_OF_RESOURCES  Out of memory.
+  @retval EFI_DEVICE_ERROR      The operation was unsuccessful.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EDKII_TCG_HASH_LOG_EXTEND_EVENT)(
+  IN      EDKII_TCG_PPI             *This,
+  IN      UINT64                    Flags,
+  IN      UINT8                     *HashData,
+  IN      UINTN                     HashDataLen,
+  IN      TCG_PCR_EVENT_HDR         *NewEventHdr,
+  IN      UINT8                     *NewEventData
+  );
+
+///
+/// The EFI_TCG Protocol abstracts TCG activity.
+///
+struct _EDKII_TCG_PPI {
+  EDKII_TCG_HASH_LOG_EXTEND_EVENT     HashLogExtendEvent;
+};
+
+extern EFI_GUID gEdkiiTcgPpiGuid;
+
+#endif
-- 
2.26.2.windows.1


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