Re: [PATCH V2 3/8] SecurityPkg: Add definition of EFI_CC_EVENT_HOB_GUID

["Yao, Jiewen" <jiewen.yao@intel.com>]

Reviewed-by: Jiewen Yao <Jiewen.yao@intel.com>

> -----Original Message-----
> From: Xu, Min M <min.m.xu@intel.com>
> Sent: Friday, April 8, 2022 2:39 PM
> To: devel@edk2.groups.io
> Cc: Xu, Min M <min.m.xu@intel.com>; Gerd Hoffmann <kraxel@redhat.com>;
> Yao, Jiewen <jiewen.yao@intel.com>; Sami Mujawar
> <sami.mujawar@arm.com>; Wang, Jian J <jian.j.wang@intel.com>
> Subject: [PATCH V2 3/8] SecurityPkg: 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: Gerd Hoffmann <kraxel@redhat.com>
> Cc: Jiewen Yao <jiewen.yao@intel.com>
> Cc: Sami Mujawar <sami.mujawar@arm.com>
> Cc: Jian J Wang <jian.j.wang@intel.com>
> Signed-off-by: Min Xu <min.m.xu@intel.com>
> ---
>  SecurityPkg/Include/Guid/CcEventHob.h | 22 ++++++++++++++++++++++
>  SecurityPkg/SecurityPkg.dec           |  4 ++++
>  2 files changed, 26 insertions(+)
>  create mode 100644 SecurityPkg/Include/Guid/CcEventHob.h
> 
> diff --git a/SecurityPkg/Include/Guid/CcEventHob.h
> b/SecurityPkg/Include/Guid/CcEventHob.h
> new file mode 100644
> index 000000000000..072999ce92de
> --- /dev/null
> +++ b/SecurityPkg/Include/Guid/CcEventHob.h
> @@ -0,0 +1,22 @@
> +/** @file
> +  Defines the HOB GUID used to pass a CC_EVENT from SEC to
> +  a CC DXE Driver. A GUIDed HOB is generated for each measurement
> +  made in the SEC Phase.
> +
> +Copyright (c) 2021 - 2022, Intel Corporation. All rights reserved.<BR>
> +SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#ifndef CC_EVENT_HOB_H_
> +#define CC_EVENT_HOB_H_
> +
> +//
> +// The Global ID of a GUIDed HOB used to pass a CC_EVENT from SEC to a CC
> 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/SecurityPkg/SecurityPkg.dec b/SecurityPkg/SecurityPkg.dec
> index 9f7a032d60d5..0ee75efc1a97 100644
> --- a/SecurityPkg/SecurityPkg.dec
> +++ b/SecurityPkg/SecurityPkg.dec
> @@ -136,6 +136,10 @@
>    ## Include/Guid/TcgEventHob.h
>    gTcgEvent2EntryHobGuid             = { 0xd26c221e, 0x2430, 0x4c8a, { 0x91, 0x70,
> 0x3f, 0xcb, 0x45, 0x0, 0x41, 0x3f }}
> 
> +  ## Hob GUID used to pass a CC_EVENT from SEC to a CC DXE Driver.
> +  ## Include/Guid/CcEventHob.h
> +  gCcEventEntryHobGuid               = { 0x20f8fd36, 0x6d00, 0x40fb, { 0xb7, 0x04,
> 0xd1, 0x2c, 0x15, 0x3c, 0x62, 0xeb }}
> +
>    ## HOB GUID used to record TPM device error.
>    #  Include/Guid/TcgEventHob.h
>    gTpmErrorHobGuid                   = { 0xef598499, 0xb25e, 0x473a, { 0xbf, 0xaf,
> 0xe7, 0xe5, 0x7d, 0xce, 0x82, 0xc4 }}
> --
> 2.29.2.windows.2