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audk/UefiCpuPkg/Library/SmmCpuSyncLib/SmmCpuSyncLib.inf

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UefiCpuPkg: Implements SmmCpuSyncLib library instance Implements SmmCpuSyncLib Library instance. The instance refers the existing SMM CPU driver (PiSmmCpuDxeSmm) sync implementation and behavior: 1.Abstract Counter and Run semaphores into SmmCpuSyncCtx. 2.Abstract CPU arrival count operation to SmmCpuSyncGetArrivedCpuCount(), SmmCpuSyncCheckInCpu(), SmmCpuSyncCheckOutCpu(), SmmCpuSyncLockDoor(). Implementation is aligned with existing SMM CPU driver. 3. Abstract SMM CPU Sync flow to: BSP: SmmCpuSyncReleaseOneAp --> AP: SmmCpuSyncWaitForBsp BSP: SmmCpuSyncWaitForAPs <-- AP: SmmCpuSyncReleaseBsp Semaphores release & wait during sync flow is same as existing SMM CPU driver. 4.Same operation to Counter and Run semaphores by leverage the atomic compare exchange. Cc: Laszlo Ersek <lersek@redhat.com> Cc: Eric Dong <eric.dong@intel.com> Cc: Ray Ni <ray.ni@intel.com> Cc: Zeng Star <star.zeng@intel.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Rahul Kumar <rahul1.kumar@intel.com> Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com> Reviewed-by: Ray Ni <ray.ni@intel.com>
2023-11-30 04:12:54 +01:00
## @file
# SMM CPU Synchronization lib.
#
# This is SMM CPU Synchronization lib used for SMM CPU sync operations.
#
UefiCpuPkg/SmmCpuSyncLib: Add MM_STANDALONE tag. Declares in the .inf file that the current component is an MM_STANDALONE Signed-off-by: Yuanhao Xie <yuanhao.xie@intel.com> Cc: Eric Dong <eric.dong@intel.com> Cc: Ray Ni <ray.ni@intel.com> Cc: Rahul Kumar <rahul1.kumar@intel.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Jiaxin Wu <jiaxin.wu@intel.com> Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com> Reviewed-by: Ray Ni <ray.ni@intel.com>
2024-04-23 07:33:46 +02:00
# Copyright (c) 2023 - 2024, Intel Corporation. All rights reserved.<BR>
UefiCpuPkg: Implements SmmCpuSyncLib library instance Implements SmmCpuSyncLib Library instance. The instance refers the existing SMM CPU driver (PiSmmCpuDxeSmm) sync implementation and behavior: 1.Abstract Counter and Run semaphores into SmmCpuSyncCtx. 2.Abstract CPU arrival count operation to SmmCpuSyncGetArrivedCpuCount(), SmmCpuSyncCheckInCpu(), SmmCpuSyncCheckOutCpu(), SmmCpuSyncLockDoor(). Implementation is aligned with existing SMM CPU driver. 3. Abstract SMM CPU Sync flow to: BSP: SmmCpuSyncReleaseOneAp --> AP: SmmCpuSyncWaitForBsp BSP: SmmCpuSyncWaitForAPs <-- AP: SmmCpuSyncReleaseBsp Semaphores release & wait during sync flow is same as existing SMM CPU driver. 4.Same operation to Counter and Run semaphores by leverage the atomic compare exchange. Cc: Laszlo Ersek <lersek@redhat.com> Cc: Eric Dong <eric.dong@intel.com> Cc: Ray Ni <ray.ni@intel.com> Cc: Zeng Star <star.zeng@intel.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Rahul Kumar <rahul1.kumar@intel.com> Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com> Reviewed-by: Ray Ni <ray.ni@intel.com>
2023-11-30 04:12:54 +01:00
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
##
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = SmmCpuSyncLib
FILE_GUID = 1ca1bc1a-16a4-46ef-956a-ca500fd3381f
MODULE_TYPE = DXE_SMM_DRIVER
UefiCpuPkg/SmmCpuSyncLib: Add MM_STANDALONE tag. Declares in the .inf file that the current component is an MM_STANDALONE Signed-off-by: Yuanhao Xie <yuanhao.xie@intel.com> Cc: Eric Dong <eric.dong@intel.com> Cc: Ray Ni <ray.ni@intel.com> Cc: Rahul Kumar <rahul1.kumar@intel.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Jiaxin Wu <jiaxin.wu@intel.com> Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com> Reviewed-by: Ray Ni <ray.ni@intel.com>
2024-04-23 07:33:46 +02:00
LIBRARY_CLASS = SmmCpuSyncLib|DXE_SMM_DRIVER MM_STANDALONE
UefiCpuPkg: Implements SmmCpuSyncLib library instance Implements SmmCpuSyncLib Library instance. The instance refers the existing SMM CPU driver (PiSmmCpuDxeSmm) sync implementation and behavior: 1.Abstract Counter and Run semaphores into SmmCpuSyncCtx. 2.Abstract CPU arrival count operation to SmmCpuSyncGetArrivedCpuCount(), SmmCpuSyncCheckInCpu(), SmmCpuSyncCheckOutCpu(), SmmCpuSyncLockDoor(). Implementation is aligned with existing SMM CPU driver. 3. Abstract SMM CPU Sync flow to: BSP: SmmCpuSyncReleaseOneAp --> AP: SmmCpuSyncWaitForBsp BSP: SmmCpuSyncWaitForAPs <-- AP: SmmCpuSyncReleaseBsp Semaphores release & wait during sync flow is same as existing SMM CPU driver. 4.Same operation to Counter and Run semaphores by leverage the atomic compare exchange. Cc: Laszlo Ersek <lersek@redhat.com> Cc: Eric Dong <eric.dong@intel.com> Cc: Ray Ni <ray.ni@intel.com> Cc: Zeng Star <star.zeng@intel.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Rahul Kumar <rahul1.kumar@intel.com> Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com> Reviewed-by: Ray Ni <ray.ni@intel.com>
2023-11-30 04:12:54 +01:00
[Sources]
SmmCpuSyncLib.c
[Packages]
MdePkg/MdePkg.dec
UefiCpuPkg/UefiCpuPkg.dec
[LibraryClasses]
BaseLib
DebugLib
MemoryAllocationLib
SafeIntLib
SynchronizationLib
[Pcd]
[Protocols]