[edk2-devel] 回复: [PATCH V2 6/8] MdePkg: Define CC Measure EventLog ACPI Table

[gaoliming]

Reviewed-by: Liming Gao <gaoliming at byosoft.com.cn>

> -----邮件原件-----
> 发件人: Min Xu <min.m.xu at intel.com>
> 发送时间: 2022年4月8日 14:39
> 收件人: devel at edk2.groups.io
> 抄送: Min Xu <min.m.xu at intel.com>; Michael D Kinney
> <michael.d.kinney at intel.com>; Liming Gao <gaoliming at byosoft.com.cn>;
> Zhiguang Liu <zhiguang.liu at intel.com>; Jiewen Yao <jiewen.yao at intel.com>;
> Jian J Wang <jian.j.wang at intel.com>; Ken Lu <ken.lu at intel.com>; Sami
> Mujawar <sami.mujawar at arm.com>; Gerd Hoffmann <kraxel at redhat.com>
> 主题: [PATCH V2 6/8] MdePkg: Define CC Measure EventLog ACPI Table
> 
> RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3853
> 
> TDVF set up an ACPI table (EFI_CC_EVENTLOG_ACPI_TABLE) to pass the
> event-log information. The event log created by the TD owner contains
> the hashes to reconstruct the MRTD and RTMR registers.
> 
> Please refer to Sec 4.3.3 in blow link:
> https://www.intel.com/content/dam/develop/external/us/en/documents/
> intel-tdx-guest-hypervisor-communication-interface-1.0-344426-002.pdf
> 
> Please be noted, the definition of EFI_CC_EVENTLOG_ACPI_TABLE is a
> little different from the above document. This difference is based on
> below discussion:
> - https://edk2.groups.io/g/devel/message/87396
> - https://edk2.groups.io/g/devel/message/87402
> 
> This change will be reflected in the next version of the above document.
> 
> Cc: Michael D Kinney <michael.d.kinney at intel.com>
> Cc: Liming Gao <gaoliming at byosoft.com.cn>
> Cc: Zhiguang Liu <zhiguang.liu at intel.com>
> Cc: Jiewen Yao <jiewen.yao at intel.com>
> Cc: Jian J Wang <jian.j.wang at intel.com>
> Cc: Ken Lu <ken.lu at intel.com>
> Cc: Sami Mujawar <sami.mujawar at arm.com>
> Cc: Gerd Hoffmann <kraxel at redhat.com>
> Signed-off-by: Min Xu <min.m.xu at intel.com>
> ---
>  MdePkg/Include/Protocol/CcMeasurement.h | 21
> +++++++++++++++++++++
>  1 file changed, 21 insertions(+)
> 
> diff --git a/MdePkg/Include/Protocol/CcMeasurement.h
> b/MdePkg/Include/Protocol/CcMeasurement.h
> index 68029e977fac..58123ca72163 100644
> --- a/MdePkg/Include/Protocol/CcMeasurement.h
> +++ b/MdePkg/Include/Protocol/CcMeasurement.h
> @@ -299,4 +299,25 @@ typedef struct {
> 
>  extern EFI_GUID  gEfiCcFinalEventsTableGuid;
> 
> +//
> +// Define the CC Measure EventLog ACPI Table
> +//
> +#pragma pack(1)
> +
> +typedef struct {
> +  EFI_ACPI_DESCRIPTION_HEADER    Header;
> +  EFI_CC_TYPE                    CcType;
> +  UINT32                         Rsvd;
> +  UINT64                         Laml;
> +  UINT64                         Lasa;
> +} EFI_CC_EVENTLOG_ACPI_TABLE;
> +
> +#pragma pack()
> +
> +//
> +// Define the signature and revision of CC Measurement EventLog ACPI
Table
> +//
> +#define EFI_CC_EVENTLOG_ACPI_TABLE_SIGNATURE  SIGNATURE_32('C',
> 'C', 'E', 'L')
> +#define EFI_CC_EVENTLOG_ACPI_TABLE_REVISION   1
> +
>  #endif
> --
> 2.29.2.windows.2





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