4a68176cb5
REF? https://bugzilla.tianocore.org/show_bug.cgi?id=3815 This patch 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. A new library SmmCpuRendezvousLib is provided to abstract the service into library API to simple SMI handler code. Cc: Eric Dong <eric.dong@intel.com> Reviewed-by: Ray Ni <ray.ni@intel.com> Cc: Rahul Kumar <rahul1.kumar@intel.com> Cc: Siyuan Fu <siyuan.fu@intel.com> Cc: Zhihao Li <zhihao.li@intel.com> Signed-off-by: Zhihao Li <zhihao.li@intel.com>
36 lines
893 B
INI
36 lines
893 B
INI
## @file
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# SMM CPU Rendezvous service lib.
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#
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# This is SMM CPU rendezvous service lib that wait for all
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# APs to enter SMM mode.
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#
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# Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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#
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##
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[Defines]
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INF_VERSION = 0x00010005
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BASE_NAME = SmmCpuRendezvousLib
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FILE_GUID = 1509Bb36-9Ba4-438B-B195-Ac5914Db14E2
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MODULE_TYPE = DXE_SMM_DRIVER
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LIBRARY_CLASS = SmmCpuRendezvousLib|MM_STANDALONE DXE_SMM_DRIVER
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[Sources]
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SmmCpuRendezvousLib.c
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[Packages]
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MdePkg/MdePkg.dec
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UefiCpuPkg/UefiCpuPkg.dec
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[LibraryClasses]
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BaseLib
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DebugLib
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MmServicesTableLib
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[Pcd]
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gUefiCpuPkgTokenSpaceGuid.PcdCpuSmmApSyncTimeout ## CONSUMES
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[Protocols]
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gEdkiiSmmCpuRendezvousProtocolGuid
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