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  3. [edk2-devel] [PATCH v4 0/6] Add capability to let PEIM extend TcgEvent
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[edk2-devel] [PATCH v4 1/6] SecurityPkg/TcgPpi: Add TcgPpi header file.

Qi Zhang posted 6 patches 5 years, 6 months ago
There is a newer version of this series
[edk2-devel] [PATCH v4 1/6] SecurityPkg/TcgPpi: Add TcgPpi header file.
Posted by Qi Zhang 5 years, 6 months ago 
From: Jiewen Yao <jiewen.yao@intel.com>

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>
---
 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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Re: [edk2-devel] [PATCH v4 1/6] SecurityPkg/TcgPpi: Add TcgPpi header file.
Posted by Wang, Jian J 5 years, 6 months ago 
Reviewed-by: Jian J Wang <jian.j.wang@intel.com>

Regards,
Jian

> -----Original Message-----
> From: Zhang, Qi1 <qi1.zhang@intel.com>
> Sent: Friday, July 17, 2020 4:50 PM
> To: devel@edk2.groups.io
> Cc: Yao, Jiewen <jiewen.yao@intel.com>; Wang, Jian J <jian.j.wang@intel.com>;
> Zhang, Qi1 <qi1.zhang@intel.com>
> Subject: [PATCH v4 1/6] SecurityPkg/TcgPpi: Add TcgPpi header file.
> 
> From: Jiewen Yao <jiewen.yao@intel.com>
> 
> 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>
> ---
>  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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