回复: [PATCH 3/8] MdePkg: Add definition of EFI_CC_EVENT_HOB_GUID

["gaoliming" <gaoliming@byosoft.com.cn>]

Min:
  Is this GUID from
intel-tdx-guest-hypervisor-communication-interface-1.0-344426-002.pdf? 

Thanks
Liming
> -----邮件原件-----
> 发件人: Min Xu <min.m.xu@intel.com>
> 发送时间: 2022年3月2日 8:28
> 收件人: devel@edk2.groups.io
> 抄送: Min Xu <min.m.xu@intel.com>; Michael D Kinney
> <michael.d.kinney@intel.com>; Liming Gao <gaoliming@byosoft.com.cn>;
> Zhiguang Liu <zhiguang.liu@intel.com>; Gerd Hoffmann <kraxel@redhat.com>;
> Jiewen Yao <jiewen.yao@intel.com>; Sami Mujawar
> <sami.mujawar@arm.com>
> 主题: [PATCH 3/8] MdePkg: Add definition of EFI_CC_EVENT_HOB_GUID
> 
> RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3853
> 
> EFI_CC_EVENT_HOB_GUID is the global ID of a GUIDed HOB used to pass
> TDX_DIGEST_VALUE from SEC to a DXE Driver ( This DXE driver will
> be introduced in the following commit in this patch-sets ). In that
> DXE driver this GUIDed HOB will be parsed and the TDX_DIGEST_VALUE
> then will be extracted. After that a EFI_CC_EVENT will be created
> based on it.
> 
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> Cc: Liming Gao <gaoliming@byosoft.com.cn>
> Cc: Zhiguang Liu <zhiguang.liu@intel.com>
> Cc: Gerd Hoffmann <kraxel@redhat.com>
> Cc: Jiewen Yao <jiewen.yao@intel.com>
> Cc: Sami Mujawar <sami.mujawar@arm.com>
> Signed-off-by: Min Xu <min.m.xu@intel.com>
> ---
>  MdePkg/Include/Protocol/CcMeasurement.h | 8 ++++++++
>  MdePkg/MdePkg.dec                       | 1 +
>  2 files changed, 9 insertions(+)
> 
> diff --git a/MdePkg/Include/Protocol/CcMeasurement.h
> b/MdePkg/Include/Protocol/CcMeasurement.h
> index 68029e977fac..83eaafaf10a6 100644
> --- a/MdePkg/Include/Protocol/CcMeasurement.h
> +++ b/MdePkg/Include/Protocol/CcMeasurement.h
> @@ -299,4 +299,12 @@ typedef struct {
> 
>  extern EFI_GUID  gEfiCcFinalEventsTableGuid;
> 
> +//
> +// The Global ID of a GUIDed HOB used to pass a CC_EVENT from a SEC to a
> TDX DXE Driver.
> +//
> +#define EFI_CC_EVENT_HOB_GUID \
> +  { 0x20f8fd36, 0x6d00, 0x40fb, { 0xb7, 0x04, 0xd1, 0x2c, 0x15, 0x3c,
0x62,
> 0xeb } }
> +
> +extern EFI_GUID  gCcEventEntryHobGuid;
> +
>  #endif
> diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec
> index 1934c9840423..38f01c162e97 100644
> --- a/MdePkg/MdePkg.dec
> +++ b/MdePkg/MdePkg.dec
> @@ -828,6 +828,7 @@
> 
>    ## Include/Protocol/CcMeasurement.h
>    gEfiCcFinalEventsTableGuid     = { 0xdd4a4648, 0x2de7, 0x4665, { 0x96,
> 0x4d, 0x21, 0xd9, 0xef, 0x5f, 0xb4, 0x46 }}
> +  gCcEventEntryHobGuid           = { 0x20f8fd36, 0x6d00, 0x40fb,
> { 0xb7, 0x04, 0xd1, 0x2c, 0x15, 0x3c, 0x62, 0xeb }}
> 
>  [Guids.IA32, Guids.X64]
>    ## Include/Guid/Cper.h
> --
> 2.29.2.windows.2