From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by ml01.01.org (Postfix) with ESMTP id 2DD301A1ED6 for ; Tue, 2 Aug 2016 02:00:33 -0700 (PDT) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga101.fm.intel.com with ESMTP; 02 Aug 2016 02:00:33 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.28,459,1464678000"; d="scan'208";a="743019388" Received: from jfan12-desk.ccr.corp.intel.com ([10.239.9.5]) by FMSMGA003.fm.intel.com with ESMTP; 02 Aug 2016 02:00:32 -0700 From: Jeff Fan To: edk2-devel@lists.01.org Cc: Michael Kinney , Feng Tian , Giri P Mudusuru , Laszlo Ersek Date: Tue, 2 Aug 2016 16:59:31 +0800 Message-Id: <1470128388-17960-32-git-send-email-jeff.fan@intel.com> X-Mailer: git-send-email 2.7.4.windows.1 In-Reply-To: <1470128388-17960-1-git-send-email-jeff.fan@intel.com> References: <1470128388-17960-1-git-send-email-jeff.fan@intel.com> Subject: [Patch v5 31/48] UefiCpuPkg/MpInitLib: Implementation of MpInitLibEnableDisableAP() X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Aug 2016 09:00:33 -0000 v4: 1. Simply the internal function MpInitLibEnableDisableAP()'s function header due to it is duplicated with MpInitLibEnableDisableAP(). v3: 1. Use CamelCase for mCheckAllAPsEvent, mStopCheckAllApsStatus. Cc: Michael Kinney Cc: Feng Tian Cc: Giri P Mudusuru Cc: Laszlo Ersek Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jeff Fan --- UefiCpuPkg/Library/MpInitLib/DxeMpLib.c | 20 +++++++++++- UefiCpuPkg/Library/MpInitLib/MpLib.c | 56 +++++++++++++++++++++++++++++++++ UefiCpuPkg/Library/MpInitLib/MpLib.h | 21 +++++++++++++ UefiCpuPkg/Library/MpInitLib/PeiMpLib.c | 2 +- 4 files changed, 97 insertions(+), 2 deletions(-) diff --git a/UefiCpuPkg/Library/MpInitLib/DxeMpLib.c b/UefiCpuPkg/Library/MpInitLib/DxeMpLib.c index 785653b..988920f 100644 --- a/UefiCpuPkg/Library/MpInitLib/DxeMpLib.c +++ b/UefiCpuPkg/Library/MpInitLib/DxeMpLib.c @@ -454,5 +454,23 @@ MpInitLibEnableDisableAP ( IN UINT32 *HealthFlag OPTIONAL ) { - return EFI_UNSUPPORTED; + EFI_STATUS Status; + BOOLEAN TempStopCheckState; + + TempStopCheckState = FALSE; + // + // temporarily stop checkAllAPsStatus for initialize parameters. + // + if (!mStopCheckAllApsStatus) { + mStopCheckAllApsStatus = TRUE; + TempStopCheckState = TRUE; + } + + Status = EnableDisableApWorker (ProcessorNumber, EnableAP, HealthFlag); + + if (TempStopCheckState) { + mStopCheckAllApsStatus = FALSE; + } + + return Status; } diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c b/UefiCpuPkg/Library/MpInitLib/MpLib.c index 8ae08f4..3a266e9 100644 --- a/UefiCpuPkg/Library/MpInitLib/MpLib.c +++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c @@ -1239,6 +1239,62 @@ SwitchBSPWorker ( } /** + Worker function to let the caller enable or disable an AP from this point onward. + This service may only be called from the BSP. + + @param[in] ProcessorNumber The handle number of AP. + @param[in] EnableAP Specifies the new state for the processor for + enabled, FALSE for disabled. + @param[in] HealthFlag If not NULL, a pointer to a value that specifies + the new health status of the AP. + + @retval EFI_SUCCESS The specified AP was enabled or disabled successfully. + @retval others Failed to Enable/Disable AP. + +**/ +EFI_STATUS +EnableDisableApWorker ( + IN UINTN ProcessorNumber, + IN BOOLEAN EnableAP, + IN UINT32 *HealthFlag OPTIONAL + ) +{ + CPU_MP_DATA *CpuMpData; + UINTN CallerNumber; + + CpuMpData = GetCpuMpData (); + + // + // Check whether caller processor is BSP + // + MpInitLibWhoAmI (&CallerNumber); + if (CallerNumber != CpuMpData->BspNumber) { + return EFI_DEVICE_ERROR; + } + + if (ProcessorNumber == CpuMpData->BspNumber) { + return EFI_INVALID_PARAMETER; + } + + if (ProcessorNumber >= CpuMpData->CpuCount) { + return EFI_NOT_FOUND; + } + + if (!EnableAP) { + SetApState (&CpuMpData->CpuData[ProcessorNumber], CpuStateDisabled); + } else { + SetApState (&CpuMpData->CpuData[ProcessorNumber], CpuStateIdle); + } + + if (HealthFlag != NULL) { + CpuMpData->CpuData[ProcessorNumber].CpuHealthy = + (BOOLEAN) ((*HealthFlag & PROCESSOR_HEALTH_STATUS_BIT) != 0); + } + + return EFI_SUCCESS; +} + +/** This return the handle number for the calling processor. This service may be called from the BSP and APs. diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.h b/UefiCpuPkg/Library/MpInitLib/MpLib.h index bfc7fb7..f8b172f 100644 --- a/UefiCpuPkg/Library/MpInitLib/MpLib.h +++ b/UefiCpuPkg/Library/MpInitLib/MpLib.h @@ -365,6 +365,27 @@ SwitchBSPWorker ( ); /** + Worker function to let the caller enable or disable an AP from this point onward. + This service may only be called from the BSP. + + @param[in] ProcessorNumber The handle number of AP. + @param[in] EnableAP Specifies the new state for the processor for + enabled, FALSE for disabled. + @param[in] HealthFlag If not NULL, a pointer to a value that specifies + the new health status of the AP. + + @retval EFI_SUCCESS The specified AP was enabled or disabled successfully. + @retval others Failed to Enable/Disable AP. + +**/ +EFI_STATUS +EnableDisableApWorker ( + IN UINTN ProcessorNumber, + IN BOOLEAN EnableAP, + IN UINT32 *HealthFlag OPTIONAL + ); + +/** Get pointer to CPU MP Data structure from GUIDed HOB. @return The pointer to CPU MP Data structure. diff --git a/UefiCpuPkg/Library/MpInitLib/PeiMpLib.c b/UefiCpuPkg/Library/MpInitLib/PeiMpLib.c index cdec010..fe585bd 100644 --- a/UefiCpuPkg/Library/MpInitLib/PeiMpLib.c +++ b/UefiCpuPkg/Library/MpInitLib/PeiMpLib.c @@ -604,7 +604,7 @@ MpInitLibEnableDisableAP ( IN UINT32 *HealthFlag OPTIONAL ) { - return EFI_UNSUPPORTED; + return EnableDisableApWorker (ProcessorNumber, EnableAP, HealthFlag); } -- 2.7.4.windows.1