From: "gaoliming" <gaoliming@byosoft.com.cn>
To: <devel@edk2.groups.io>, <zhihao.li@intel.com>
Cc: "'Michael D Kinney'" <michael.d.kinney@intel.com>,
"'Eric Dong'" <eric.dong@intel.com>,
"'Ray Ni'" <ray.ni@intel.com>,
"'Michael Kubacki'" <mikuback@linux.microsoft.com>,
"'Siyuan Fu'" <siyuan.fu@intel.com>
Subject: 回复: [edk2-devel] [PATCH v2 1/1] MdePkg: add SmmCpuRendezvousLib.h and SmmCpuRendezvousLibNull implement.
Date: Wed, 27 Apr 2022 08:37:06 +0800 [thread overview]
Message-ID: <01c901d859ce$ec561870$c5024950$@byosoft.com.cn> (raw)
In-Reply-To: <20220425084727.1351-1-zhihao.li@intel.com>
Acked-by: Liming Gao <gaoliming@byosoft.com.cn>
> -----邮件原件-----
> 发件人: devel@edk2.groups.io <devel@edk2.groups.io> 代表 Li, Zhihao
> 发送时间: 2022年4月25日 16:47
> 收件人: devel@edk2.groups.io
> 抄送: Michael D Kinney <michael.d.kinney@intel.com>; Liming Gao
> <gaoliming@byosoft.com.cn>; Eric Dong <eric.dong@intel.com>; Ray Ni
> <ray.ni@intel.com>; Michael Kubacki <mikuback@linux.microsoft.com>;
> Siyuan Fu <siyuan.fu@intel.com>
> 主题: [edk2-devel] [PATCH v2 1/1] MdePkg: add SmmCpuRendezvousLib.h
> and SmmCpuRendezvousLibNull implement.
>
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3912
>
> UefiCpuPkg define a new Protocol with the new services
> SmmWaitForAllProcessor(), which can be used by SMI handler
> to optionally wait for other APs to complete SMM rendezvous in
> relaxed AP mode.
>
> VariableSmm and VariableStandaloneMM driver in MdeModulePkg need
> to use this services but MdeModulePkg can't depend on UefiCpuPkg.
>
> Thus, the solution is moving SmmCpuRendezvouslib.h from UefiCpuPkg
> to MdePkg and creating SmmCpuRendezvousLib NullLib version
> implementation in MdePkg as dependency for the pkg that can't
> depend on UefiCpuPkg.
>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> Cc: Liming Gao <gaoliming@byosoft.com.cn>
> Cc: Eric Dong <eric.dong@intel.com>
> Cc: Ray Ni <ray.ni@intel.com>
> Cc: Michael Kubacki <mikuback@linux.microsoft.com>
> Cc: Siyuan Fu <siyuan.fu@intel.com>
>
> Signed-off-by: Zhihao Li <zhihao.li@intel.com>
> ---
> MdePkg/Library/SmmCpuRendezvousLibNull/SmmCpuRendezvousLibNull.c
> | 29 ++++++++++++++++++++
> {UefiCpuPkg => MdePkg}/Include/Library/SmmCpuRendezvousLib.h
> | 0
> MdePkg/Library/SmmCpuRendezvousLibNull/SmmCpuRendezvousLibNull.inf
> | 26 ++++++++++++++++++
> MdePkg/MdeLibs.dsc.inc
> | 3 +-
> MdePkg/MdePkg.dec
> | 5 +++-
> MdePkg/MdePkg.dsc
> | 3 +-
> UefiCpuPkg/UefiCpuPkg.dec
> | 3 --
> 7 files changed, 63 insertions(+), 6 deletions(-)
>
> diff --git
> a/MdePkg/Library/SmmCpuRendezvousLibNull/SmmCpuRendezvousLibNull.c
> b/MdePkg/Library/SmmCpuRendezvousLibNull/SmmCpuRendezvousLibNull.c
> new file mode 100644
> index 000000000000..474195bbb374
> --- /dev/null
> +++
> b/MdePkg/Library/SmmCpuRendezvousLibNull/SmmCpuRendezvousLibNull.c
> @@ -0,0 +1,29 @@
> +/** @file
>
> + SMM CPU Rendezvous sevice implement.
>
> +
>
> + Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
>
> + SPDX-License-Identifier: BSD-2-Clause-Patent
>
> +
>
> +**/
>
> +
>
> +#include <Library/DebugLib.h>
>
> +#include <Library/SmmCpuRendezvousLib.h>
>
> +
>
> +/**
>
> + This routine wait for all AP processors to arrive in SMM.
>
> +
>
> + @param[in] BlockingMode Blocking mode or non-blocking mode.
>
> +
>
> + @retval EFI_SUCCESS All avaiable APs arrived.
>
> + @retval EFI_TIMEOUT Wait for all APs until timeout.
>
> + @retval OTHER Fail to register SMM CPU Rendezvous service
> Protocol.
>
> +**/
>
> +EFI_STATUS
>
> +EFIAPI
>
> +SmmWaitForAllProcessor (
>
> + IN BOOLEAN BlockingMode
>
> + )
>
> +{
>
> + ASSERT (FALSE);
>
> + return EFI_SUCCESS;
>
> +}
>
> diff --git a/UefiCpuPkg/Include/Library/SmmCpuRendezvousLib.h
> b/MdePkg/Include/Library/SmmCpuRendezvousLib.h
> similarity index 100%
> rename from UefiCpuPkg/Include/Library/SmmCpuRendezvousLib.h
> rename to MdePkg/Include/Library/SmmCpuRendezvousLib.h
> diff --git
> a/MdePkg/Library/SmmCpuRendezvousLibNull/SmmCpuRendezvousLibNull.i
> nf
> b/MdePkg/Library/SmmCpuRendezvousLibNull/SmmCpuRendezvousLibNull.i
> nf
> new file mode 100644
> index 000000000000..7c9bac9af2ff
> --- /dev/null
> +++
> b/MdePkg/Library/SmmCpuRendezvousLibNull/SmmCpuRendezvousLibNull.i
> nf
> @@ -0,0 +1,26 @@
> +## @file
>
> +# SMM CPU Rendezvous service lib.
>
> +#
>
> +# This is SMM CPU rendezvous service lib that wait for all
>
> +# APs to enter SMM mode.
>
> +#
>
> +# Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
>
> +# SPDX-License-Identifier: BSD-2-Clause-Patent
>
> +#
>
> +##
>
> +
>
> +[Defines]
>
> + INF_VERSION = 0x00010005
>
> + BASE_NAME = SmmCpuRendezvousLibNull
>
> + FILE_GUID =
> 1e5790ea-d013-4d7b-9047-b4342a762027
>
> + MODULE_TYPE = DXE_SMM_DRIVER
>
> + LIBRARY_CLASS =
> SmmCpuRendezvousLib|MM_STANDALONE DXE_SMM_DRIVER
>
> +
>
> +[Sources]
>
> + SmmCpuRendezvousLibNull.c
>
> +
>
> +[Packages]
>
> + MdePkg/MdePkg.dec
>
> +
>
> +[LibraryClasses]
>
> + DebugLib
>
> diff --git a/MdePkg/MdeLibs.dsc.inc b/MdePkg/MdeLibs.dsc.inc
> index 3c70daf87a0c..9d7b234b8565 100644
> --- a/MdePkg/MdeLibs.dsc.inc
> +++ b/MdePkg/MdeLibs.dsc.inc
> @@ -5,7 +5,7 @@
> # by using "!include MdePkg/MdeLibs.dsc.inc" to specify the library
> instances
>
> # of some EDKII basic/common library classes.
>
> #
>
> -# Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
>
> +# Copyright (c) 2021 - 2022, Intel Corporation. All rights reserved.<BR>
>
> #
>
> # SPDX-License-Identifier: BSD-2-Clause-Patent
>
> #
>
> @@ -13,3 +13,4 @@
>
>
> [LibraryClasses]
>
>
> RegisterFilterLib|MdePkg/Library/RegisterFilterLibNull/RegisterFilterLibNull.i
> nf
>
> +
> SmmCpuRendezvousLib|MdePkg/Library/SmmCpuRendezvousLibNull/SmmC
> puRendezvousLibNull.inf
>
> diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec
> index faeb28c80cbd..f1ebf9e251c1 100644
> --- a/MdePkg/MdePkg.dec
> +++ b/MdePkg/MdePkg.dec
> @@ -4,7 +4,7 @@
> # It also provides the definitions(including PPIs/PROTOCOLs/GUIDs) of
>
> # EFI1.10/UEFI2.7/PI1.7 and some Industry Standards.
>
> #
>
> -# Copyright (c) 2007 - 2021, Intel Corporation. All rights reserved.<BR>
>
> +# Copyright (c) 2007 - 2022, Intel Corporation. All rights reserved.<BR>
>
> # Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
>
> # (C) Copyright 2016 - 2021 Hewlett Packard Enterprise Development
> LP<BR>
>
> #
>
> @@ -272,6 +272,9 @@
> #
>
> CcProbeLib|Include/Library/CcProbeLib.h
>
>
>
> + ## @libraryclass Provides function for SMM CPU Rendezvous Library.
>
> + SmmCpuRendezvousLib|Include/Library/SmmCpuRendezvousLib.h
>
> +
>
> [LibraryClasses.IA32, LibraryClasses.X64, LibraryClasses.AARCH64]
>
> ## @libraryclass Provides services to generate random number.
>
> #
>
> diff --git a/MdePkg/MdePkg.dsc b/MdePkg/MdePkg.dsc
> index c8d282882ec1..3d8874e64782 100644
> --- a/MdePkg/MdePkg.dsc
> +++ b/MdePkg/MdePkg.dsc
> @@ -1,7 +1,7 @@
> ## @file
>
> # EFI/PI MdePkg Package
>
> #
>
> -# Copyright (c) 2007 - 2021, Intel Corporation. All rights reserved.<BR>
>
> +# Copyright (c) 2007 - 2022, Intel Corporation. All rights reserved.<BR>
>
> # Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
>
> # (C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
>
> #
>
> @@ -131,6 +131,7 @@
>
>
> MdePkg/Library/RegisterFilterLibNull/RegisterFilterLibNull.inf
>
> MdePkg/Library/CcProbeLibNull/CcProbeLibNull.inf
>
> +
> MdePkg/Library/SmmCpuRendezvousLibNull/SmmCpuRendezvousLibNull.inf
>
>
>
> [Components.IA32, Components.X64, Components.ARM,
> Components.AARCH64]
>
> #
>
> diff --git a/UefiCpuPkg/UefiCpuPkg.dec b/UefiCpuPkg/UefiCpuPkg.dec
> index 525cde463435..1951eb294c6c 100644
> --- a/UefiCpuPkg/UefiCpuPkg.dec
> +++ b/UefiCpuPkg/UefiCpuPkg.dec
> @@ -62,9 +62,6 @@
> ## @libraryclass Provides function for loading microcode.
>
> MicrocodeLib|Include/Library/MicrocodeLib.h
>
>
>
> - ## @libraryclass Provides function for SMM CPU Rendezvous Library.
>
> - SmmCpuRendezvousLib|Include/Library/SmmCpuRendezvousLib.h
>
> -
>
> [Guids]
>
> gUefiCpuPkgTokenSpaceGuid = { 0xac05bf33, 0x995a, 0x4ed4,
> { 0xaa, 0xb8, 0xef, 0x7a, 0xe8, 0xf, 0x5c, 0xb0 }}
>
> gMsegSmramGuid = { 0x5802bce4, 0xeeee, 0x4e33,
> { 0xa1, 0x30, 0xeb, 0xad, 0x27, 0xf0, 0xe4, 0x39 }}
>
> --
> 2.26.2.windows.1
>
>
>
>
>
prev parent reply other threads:[~2022-04-27 0:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-25 8:47 [PATCH v2 1/1] MdePkg: add SmmCpuRendezvousLib.h and SmmCpuRendezvousLibNull implement Li, Zhihao
2022-04-27 0:37 ` gaoliming [this message]
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