[edk2-devel] [Patch v3 5/6] UefiCpuPkg/CpuMpPei: Produce EDKII_PEI_MP_SERVICES2_PPI.
Ni, Ray
ray.ni at intel.com
Thu Jul 25 08:55:05 UTC 2019
With file name changing from Mp2Pei.c to CpuMp2Pei.c, Reviewed-by: Ray Ni <ray.ni at intel.com>
> -----Original Message-----
> From: Dong, Eric
> Sent: Wednesday, July 24, 2019 3:07 PM
> To: devel at edk2.groups.io
> Cc: Ni, Ray <ray.ni at intel.com>; Laszlo Ersek <lersek at redhat.com>; Kumar,
> Chandana C <chandana.c.kumar at intel.com>; Zeng, Star
> <star.zeng at intel.com>
> Subject: [Patch v3 5/6] UefiCpuPkg/CpuMpPei: Produce
> EDKII_PEI_MP_SERVICES2_PPI.
>
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1973
>
> Produce new EDKII_PEI_MP_SERVICES2_PPI service.
>
> It includes all APIs existed in EFI_PEI_MP_SERVICES_PPI and add new API
> EDKII_PEI_MP_SERVICES_STARTUP_ALL_CPUS.
>
> Cc: Ray Ni <ray.ni at intel.com>
> Cc: Laszlo Ersek <lersek at redhat.com>
> Cc: Chandana Kumar <chandana.c.kumar at intel.com>
> Cc: Star Zeng <star.zeng at intel.com>
> Signed-off-by: Eric Dong <eric.dong at intel.com>
> ---
> UefiCpuPkg/CpuMpPei/CpuMpPei.c | 21 +-
> UefiCpuPkg/CpuMpPei/CpuMpPei.h | 3 +-
> UefiCpuPkg/CpuMpPei/CpuMpPei.inf | 2 +
> UefiCpuPkg/CpuMpPei/Mp2Pei.c | 417
> +++++++++++++++++++++++++++++++
> 4 files changed, 436 insertions(+), 7 deletions(-) create mode 100644
> UefiCpuPkg/CpuMpPei/Mp2Pei.c
>
> diff --git a/UefiCpuPkg/CpuMpPei/CpuMpPei.c
> b/UefiCpuPkg/CpuMpPei/CpuMpPei.c index 926541c937..07ccbe7c6a 100644
> --- a/UefiCpuPkg/CpuMpPei/CpuMpPei.c
> +++ b/UefiCpuPkg/CpuMpPei/CpuMpPei.c
> @@ -1,13 +1,15 @@
> /** @file
> CPU PEI Module installs CPU Multiple Processor PPI.
>
> - Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
> + Copyright (c) 2015 - 2019, Intel Corporation. All rights
> + reserved.<BR>
> SPDX-License-Identifier: BSD-2-Clause-Patent
>
> **/
>
> #include "CpuMpPei.h"
>
> +extern EDKII_PEI_MP_SERVICES2_PPI mMpServices2Ppi;
> +
> //
> // CPU MP PPI to be installed
> //
> @@ -21,10 +23,17 @@ EFI_PEI_MP_SERVICES_PPI mMpServicesPpi =
> {
> PeiWhoAmI,
> };
>
> -EFI_PEI_PPI_DESCRIPTOR mPeiCpuMpPpiDesc = {
> - (EFI_PEI_PPI_DESCRIPTOR_PPI |
> EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
> - &gEfiPeiMpServicesPpiGuid,
> - &mMpServicesPpi
> +EFI_PEI_PPI_DESCRIPTOR mPeiCpuMpPpiList[] = {
> + {
> + EFI_PEI_PPI_DESCRIPTOR_PPI,
> + &gEdkiiPeiMpServices2PpiGuid,
> + &mMpServices2Ppi
> + },
> + {
> + (EFI_PEI_PPI_DESCRIPTOR_PPI |
> EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
> + &gEfiPeiMpServicesPpiGuid,
> + &mMpServicesPpi
> + }
> };
>
> /**
> @@ -667,7 +676,7 @@ InitializeCpuMpWorker (
> //
> // Install CPU MP PPI
> //
> - Status = PeiServicesInstallPpi(&mPeiCpuMpPpiDesc);
> + Status = PeiServicesInstallPpi(mPeiCpuMpPpiList);
> ASSERT_EFI_ERROR (Status);
>
> return Status;
> diff --git a/UefiCpuPkg/CpuMpPei/CpuMpPei.h
> b/UefiCpuPkg/CpuMpPei/CpuMpPei.h index a5d8a755b2..7d5c527d60
> 100644
> --- a/UefiCpuPkg/CpuMpPei/CpuMpPei.h
> +++ b/UefiCpuPkg/CpuMpPei/CpuMpPei.h
> @@ -1,7 +1,7 @@
> /** @file
> Definitions to install Multiple Processor PPI.
>
> - Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
> + Copyright (c) 2015 - 2019, Intel Corporation. All rights
> + reserved.<BR>
> SPDX-License-Identifier: BSD-2-Clause-Patent
>
> **/
> @@ -15,6 +15,7 @@
> #include <Ppi/SecPlatformInformation.h> #include
> <Ppi/SecPlatformInformation2.h> #include <Ppi/EndOfPeiPhase.h>
> +#include <Ppi/MpServices2.h>
>
> #include <Library/BaseLib.h>
> #include <Library/DebugLib.h>
> diff --git a/UefiCpuPkg/CpuMpPei/CpuMpPei.inf
> b/UefiCpuPkg/CpuMpPei/CpuMpPei.inf
> index 4fc4ea77ba..fb2db650e5 100644
> --- a/UefiCpuPkg/CpuMpPei/CpuMpPei.inf
> +++ b/UefiCpuPkg/CpuMpPei/CpuMpPei.inf
> @@ -26,6 +26,7 @@
> CpuMpPei.c
> CpuBist.c
> CpuPaging.c
> + Mp2Pei.c
>
> [Packages]
> MdePkg/MdePkg.dec
> @@ -54,6 +55,7 @@
> gEfiSecPlatformInformation2PpiGuid
> gEfiVectorHandoffInfoPpiGuid ## SOMETIMES_CONSUMES
> gEfiPeiMemoryDiscoveredPpiGuid ## CONSUMES
> + gEdkiiPeiMpServices2PpiGuid ## PRODUCES
>
> [Pcd]
>
> gEfiMdeModulePkgTokenSpaceGuid.PcdPteMemoryEncryptionAddressOrM
> ask ## CONSUMES
> diff --git a/UefiCpuPkg/CpuMpPei/Mp2Pei.c
> b/UefiCpuPkg/CpuMpPei/Mp2Pei.c new file mode 100644 index
> 0000000000..c1116a5b77
> --- /dev/null
> +++ b/UefiCpuPkg/CpuMpPei/Mp2Pei.c
> @@ -0,0 +1,417 @@
> +/** @file
> + EDKII_PEI_MP_SERVICES2_PPI Implementation code.
> +
> + Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#include "CpuMpPei.h"
> +
> +/**
> + This service retrieves the number of logical processor in the
> +platform
> + and the number of those logical processors that are enabled on this boot.
> + This service may only be called from the BSP.
> +
> + This function is used to retrieve the following information:
> + - The number of logical processors that are present in the system.
> + - The number of enabled logical processors in the system at the instant
> + this call is made.
> +
> + Because MP Service Ppi provides services to enable and disable
> + processors dynamically, the number of enabled logical processors may
> + vary during the course of a boot session.
> +
> + If this service is called from an AP, then EFI_DEVICE_ERROR is returned.
> + If NumberOfProcessors or NumberOfEnabledProcessors is NULL, then
> + EFI_INVALID_PARAMETER is returned. Otherwise, the total number of
> + processors is returned in NumberOfProcessors, the number of currently
> + enabled processor is returned in NumberOfEnabledProcessors, and
> EFI_SUCCESS is returned.
> +
> + @param[in] This Pointer to this instance of the PPI.
> + @param[out] NumberOfProcessors Pointer to the total number of logical
> processors in
> + the system, including the BSP and disabled APs.
> + @param[out] NumberOfEnabledProcessors
> + Number of processors in the system that are enabled.
> +
> + @retval EFI_SUCCESS The number of logical processors and enabled
> + logical processors was retrieved.
> + @retval EFI_DEVICE_ERROR The calling processor is an AP.
> + @retval EFI_INVALID_PARAMETER NumberOfProcessors is NULL.
> + NumberOfEnabledProcessors is NULL.
> +**/
> +EFI_STATUS
> +EFIAPI
> +EdkiiPeiGetNumberOfProcessors (
> + IN EDKII_PEI_MP_SERVICES2_PPI *This,
> + OUT UINTN *NumberOfProcessors,
> + OUT UINTN *NumberOfEnabledProcessors
> + )
> +{
> + if ((NumberOfProcessors == NULL) || (NumberOfEnabledProcessors ==
> NULL)) {
> + return EFI_INVALID_PARAMETER;
> + }
> +
> + return MpInitLibGetNumberOfProcessors (
> + NumberOfProcessors,
> + NumberOfEnabledProcessors
> + );
> +}
> +
> +/**
> + Gets detailed MP-related information on the requested processor at
> +the
> + instant this call is made. This service may only be called from the BSP.
> +
> + This service retrieves detailed MP-related information about any
> + processor on the platform. Note the following:
> + - The processor information may change during the course of a boot
> session.
> + - The information presented here is entirely MP related.
> +
> + Information regarding the number of caches and their sizes, frequency
> + of operation, slot numbers is all considered platform-related
> + information and is not provided by this service.
> +
> + @param[in] This Pointer to this instance of the PPI.
> + @param[in] ProcessorNumber Pointer to the total number of logical
> processors in
> + the system, including the BSP and disabled APs.
> + @param[out] ProcessorInfoBuffer Number of processors in the system
> that are enabled.
> +
> + @retval EFI_SUCCESS Processor information was returned.
> + @retval EFI_DEVICE_ERROR The calling processor is an AP.
> + @retval EFI_INVALID_PARAMETER ProcessorInfoBuffer is NULL.
> + @retval EFI_NOT_FOUND The processor with the handle specified by
> + ProcessorNumber does not exist in the platform.
> +**/
> +EFI_STATUS
> +EFIAPI
> +EdkiiPeiGetProcessorInfo (
> + IN EDKII_PEI_MP_SERVICES2_PPI *This,
> + IN UINTN ProcessorNumber,
> + OUT EFI_PROCESSOR_INFORMATION *ProcessorInfoBuffer
> + )
> +{
> + return MpInitLibGetProcessorInfo (ProcessorNumber,
> +ProcessorInfoBuffer, NULL); }
> +
> +/**
> + This service executes a caller provided function on all enabled APs.
> +APs can
> + run either simultaneously or one at a time in sequence. This service
> +supports
> + both blocking requests only. This service may only
> + be called from the BSP.
> +
> + This function is used to dispatch all the enabled APs to the function
> + specified by Procedure. If any enabled AP is busy, then
> + EFI_NOT_READY is returned immediately and Procedure is not started on
> any AP.
> +
> + If SingleThread is TRUE, all the enabled APs execute the function
> + specified by Procedure one by one, in ascending order of processor
> + handle number. Otherwise, all the enabled APs execute the function
> specified by Procedure simultaneously.
> +
> + If the timeout specified by TimeoutInMicroSeconds expires before all
> + APs return from Procedure, then Procedure on the failed APs is
> + terminated. All enabled APs are always available for further calls to
> + EDKII_PEI_MP_SERVICES2_PPI.StartupAllAPs()
> + and EDKII_PEI_MP_SERVICES2_PPI.StartupThisAP(). If FailedCpuList is
> + not NULL, its content points to the list of processor handle numbers
> + in which Procedure was terminated.
> +
> + Note: It is the responsibility of the consumer of the
> + EDKII_PEI_MP_SERVICES2_PPI.StartupAllAPs()
> + to make sure that the nature of the code that is executed on the BSP
> + and the dispatched APs is well controlled. The MP Services Ppi does
> + not guarantee that the Procedure function is MP-safe. Hence, the
> + tasks that can be run in parallel are limited to certain independent
> + tasks and well-controlled exclusive code. PEI services and Ppis may
> + not be called by APs unless otherwise specified.
> +
> + In blocking execution mode, BSP waits until all APs finish or
> + TimeoutInMicroSeconds expires.
> +
> + @param[in] This A pointer to the EDKII_PEI_MP_SERVICES2_PPI
> instance.
> + @param[in] Procedure A pointer to the function to be run on
> enabled APs of
> + the system.
> + @param[in] SingleThread If TRUE, then all the enabled APs execute
> the function
> + specified by Procedure one by one, in ascending order
> + of processor handle number. If FALSE, then all the
> + enabled APs execute the function specified by Procedure
> + simultaneously.
> + @param[in] TimeoutInMicroSeconds
> + Indicates the time limit in microseconds for APs to
> + return from Procedure, for blocking mode only. Zero
> + means infinity. If the timeout expires before all APs
> + return from Procedure, then Procedure on the failed APs
> + is terminated. All enabled APs are available for next
> + function assigned by
> EDKII_PEI_MP_SERVICES2_PPI.StartupAllAPs()
> + or EDKII_PEI_MP_SERVICES2_PPI.StartupThisAP(). If the
> + timeout expires in blocking mode, BSP returns
> + EFI_TIMEOUT.
> + @param[in] ProcedureArgument The parameter passed into Procedure
> for all APs.
> +
> + @retval EFI_SUCCESS In blocking mode, all APs have finished before
> the
> + timeout expired.
> + @retval EFI_DEVICE_ERROR Caller processor is AP.
> + @retval EFI_NOT_STARTED No enabled APs exist in the system.
> + @retval EFI_NOT_READY Any enabled APs are busy.
> + @retval EFI_TIMEOUT In blocking mode, the timeout expired before
> all
> + enabled APs have finished.
> + @retval EFI_INVALID_PARAMETER Procedure is NULL.
> +**/
> +EFI_STATUS
> +EFIAPI
> +EdkiiPeiStartupAllAPs (
> + IN EDKII_PEI_MP_SERVICES2_PPI *This,
> + IN EFI_AP_PROCEDURE Procedure,
> + IN BOOLEAN SingleThread,
> + IN UINTN TimeoutInMicroSeconds,
> + IN VOID *ProcedureArgument OPTIONAL
> + )
> +{
> + return MpInitLibStartupAllAPs (
> + Procedure,
> + SingleThread,
> + NULL,
> + TimeoutInMicroSeconds,
> + ProcedureArgument,
> + NULL
> + );
> +}
> +
> +/**
> + This service lets the caller get one enabled AP to execute a
> +caller-provided
> + function. The caller can request the BSP to wait for the completion
> + of the AP. This service may only be called from the BSP.
> +
> + This function is used to dispatch one enabled AP to the function
> + specified by Procedure passing in the argument specified by
> ProcedureArgument.
> + The execution is in blocking mode. The BSP waits until the AP
> + finishes or TimeoutInMicroSecondss expires.
> +
> + If the timeout specified by TimeoutInMicroseconds expires before the
> + AP returns from Procedure, then execution of Procedure by the AP is
> + terminated. The AP is available for subsequent calls to
> + EDKII_PEI_MP_SERVICES2_PPI.StartupAllAPs() and
> EDKII_PEI_MP_SERVICES2_PPI.StartupThisAP().
> +
> + @param[in] This A pointer to the EDKII_PEI_MP_SERVICES2_PPI
> instance.
> + @param[in] Procedure A pointer to the function to be run on
> enabled APs of
> + the system.
> + @param[in] ProcessorNumber The handle number of the AP. The range
> is from 0 to the
> + total number of logical processors minus 1. The total
> + number of logical processors can be retrieved by
> + EDKII_PEI_MP_SERVICES2_PPI.GetNumberOfProcessors().
> + @param[in] TimeoutInMicroseconds
> + Indicates the time limit in microseconds for APs to
> + return from Procedure, for blocking mode only. Zero
> + means infinity. If the timeout expires before all APs
> + return from Procedure, then Procedure on the failed APs
> + is terminated. All enabled APs are available for next
> + function assigned by
> EDKII_PEI_MP_SERVICES2_PPI.StartupAllAPs()
> + or EDKII_PEI_MP_SERVICES2_PPI.StartupThisAP(). If the
> + timeout expires in blocking mode, BSP returns
> + EFI_TIMEOUT.
> + @param[in] ProcedureArgument The parameter passed into Procedure
> for all APs.
> +
> + @retval EFI_SUCCESS In blocking mode, specified AP finished before
> the
> + timeout expires.
> + @retval EFI_DEVICE_ERROR The calling processor is an AP.
> + @retval EFI_TIMEOUT In blocking mode, the timeout expired before
> the
> + specified AP has finished.
> + @retval EFI_NOT_FOUND The processor with the handle specified by
> + ProcessorNumber does not exist.
> + @retval EFI_INVALID_PARAMETER ProcessorNumber specifies the BSP or
> disabled AP.
> + @retval EFI_INVALID_PARAMETER Procedure is NULL.
> +**/
> +EFI_STATUS
> +EFIAPI
> +EdkiiPeiStartupThisAP (
> + IN EDKII_PEI_MP_SERVICES2_PPI *This,
> + IN EFI_AP_PROCEDURE Procedure,
> + IN UINTN ProcessorNumber,
> + IN UINTN TimeoutInMicroseconds,
> + IN VOID *ProcedureArgument OPTIONAL
> + )
> +{
> + return MpInitLibStartupThisAP (
> + Procedure,
> + ProcessorNumber,
> + NULL,
> + TimeoutInMicroseconds,
> + ProcedureArgument,
> + NULL
> + );
> +}
> +
> +/**
> + This service switches the requested AP to be the BSP from that point
> onward.
> + This service changes the BSP for all purposes. This call can only be
> performed
> + by the current BSP.
> +
> + This service switches the requested AP to be the BSP from that point
> onward.
> + This service changes the BSP for all purposes. The new BSP can take
> + over the execution of the old BSP and continue seamlessly from where
> + the old one left off.
> +
> + If the BSP cannot be switched prior to the return from this service,
> + then EFI_UNSUPPORTED must be returned.
> +
> + @param[in] This A pointer to the EDKII_PEI_MP_SERVICES2_PPI
> instance.
> + @param[in] ProcessorNumber The handle number of the AP. The range
> is from 0 to the
> + total number of logical processors minus 1. The total
> + number of logical processors can be retrieved by
> + EDKII_PEI_MP_SERVICES2_PPI.GetNumberOfProcessors().
> + @param[in] EnableOldBSP If TRUE, then the old BSP will be listed as an
> enabled
> + AP. Otherwise, it will be disabled.
> +
> + @retval EFI_SUCCESS BSP successfully switched.
> + @retval EFI_UNSUPPORTED Switching the BSP cannot be completed
> prior to this
> + service returning.
> + @retval EFI_UNSUPPORTED Switching the BSP is not supported.
> + @retval EFI_DEVICE_ERROR The calling processor is an AP.
> + @retval EFI_NOT_FOUND The processor with the handle specified by
> + ProcessorNumber does not exist.
> + @retval EFI_INVALID_PARAMETER ProcessorNumber specifies the
> current BSP or a disabled
> + AP.
> + @retval EFI_NOT_READY The specified AP is busy.
> +**/
> +EFI_STATUS
> +EFIAPI
> +EdkiiPeiSwitchBSP (
> + IN EDKII_PEI_MP_SERVICES2_PPI *This,
> + IN UINTN ProcessorNumber,
> + IN BOOLEAN EnableOldBSP
> + )
> +{
> + return MpInitLibSwitchBSP (ProcessorNumber, EnableOldBSP); }
> +
> +/**
> + This service lets the caller enable or disable an AP from this point onward.
> + This service may only be called from the BSP.
> +
> + This service allows the caller enable or disable an AP from this point
> onward.
> + The caller can optionally specify the health status of the AP by
> + Health. If an AP is being disabled, then the state of the disabled AP
> + is implementation dependent. If an AP is enabled, then the
> + implementation must guarantee that a complete initialization sequence
> + is performed on the AP, so the AP is in a state that is compatible with an
> MP operating system.
> +
> + If the enable or disable AP operation cannot be completed prior to
> + the return from this service, then EFI_UNSUPPORTED must be returned.
> +
> + @param[in] This A pointer to the EDKII_PEI_MP_SERVICES2_PPI
> instance.
> + @param[in] ProcessorNumber The handle number of the AP. The range
> is from 0 to the
> + total number of logical processors minus 1. The total
> + number of logical processors can be retrieved by
> + EDKII_PEI_MP_SERVICES2_PPI.GetNumberOfProcessors().
> + @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. This flag corresponds to
> + StatusFlag defined in
> EDKII_PEI_MP_SERVICES2_PPI.GetProcessorInfo().
> + Only the PROCESSOR_HEALTH_STATUS_BIT is used. All
> other
> + bits are ignored. If it is NULL, this parameter is
> + ignored.
> +
> + @retval EFI_SUCCESS The specified AP was enabled or disabled
> successfully.
> + @retval EFI_UNSUPPORTED Enabling or disabling an AP cannot be
> completed prior
> + to this service returning.
> + @retval EFI_UNSUPPORTED Enabling or disabling an AP is not
> supported.
> + @retval EFI_DEVICE_ERROR The calling processor is an AP.
> + @retval EFI_NOT_FOUND Processor with the handle specified by
> ProcessorNumber
> + does not exist.
> + @retval EFI_INVALID_PARAMETER ProcessorNumber specifies the BSP.
> +**/
> +EFI_STATUS
> +EFIAPI
> +EdkiiPeiEnableDisableAP (
> + IN EDKII_PEI_MP_SERVICES2_PPI *This,
> + IN UINTN ProcessorNumber,
> + IN BOOLEAN EnableAP,
> + IN UINT32 *HealthFlag OPTIONAL
> + )
> +{
> + return MpInitLibEnableDisableAP (ProcessorNumber, EnableAP,
> +HealthFlag); }
> +
> +/**
> + This return the handle number for the calling processor. This
> +service may be
> + called from the BSP and APs.
> +
> + This service returns the processor handle number for the calling processor.
> + The returned value is in the range from 0 to the total number of
> + logical processors minus 1. The total number of logical processors
> + can be retrieved with
> + EDKII_PEI_MP_SERVICES2_PPI.GetNumberOfProcessors(). This service
> may
> + be called from the BSP and APs. If ProcessorNumber is NULL, then
> + EFI_INVALID_PARAMETER is returned. Otherwise, the current processors
> handle number is returned in ProcessorNumber, and EFI_SUCCESS is
> returned.
> +
> + @param[in] This A pointer to the EDKII_PEI_MP_SERVICES2_PPI
> instance.
> + @param[out] ProcessorNumber The handle number of the AP. The
> range is from 0 to the
> + total number of logical processors minus 1. The total
> + number of logical processors can be retrieved by
> + EDKII_PEI_MP_SERVICES2_PPI.GetNumberOfProcessors().
> +
> + @retval EFI_SUCCESS The current processor handle number was
> returned in
> + ProcessorNumber.
> + @retval EFI_INVALID_PARAMETER ProcessorNumber is NULL.
> +**/
> +EFI_STATUS
> +EFIAPI
> +EdkiiPeiWhoAmI (
> + IN EDKII_PEI_MP_SERVICES2_PPI *This,
> + OUT UINTN *ProcessorNumber
> + )
> +{
> + return MpInitLibWhoAmI (ProcessorNumber); }
> +
> +/**
> + This service executes a caller provided function on all enabled CPUs.
> +CPUs can
> + run either simultaneously or one at a time in sequence. This service
> +may only
> + be called from the BSP.
> +
> + @param[in] This A pointer to the EDKII_PEI_MP_SERVICES2_PPI
> instance.
> + @param[in] Procedure A pointer to the function to be run on
> enabled APs of
> + the system.
> + @param[in] TimeoutInMicroSeconds
> + Indicates the time limit in microseconds for APs to
> + return from Procedure, for blocking mode only. Zero
> + means infinity. If the timeout expires in blocking
> + mode, BSP returns EFI_TIMEOUT.
> + @param[in] ProcedureArgument The parameter passed into Procedure
> for all CPUs.
> +
> + @retval EFI_SUCCESS In blocking mode, all APs have finished before
> the
> + timeout expired.
> + @retval EFI_DEVICE_ERROR Caller processor is AP.
> + @retval EFI_NOT_READY Any enabled APs are busy.
> + @retval EFI_TIMEOUT In blocking mode, the timeout expired before
> all
> + enabled APs have finished.
> + @retval EFI_INVALID_PARAMETER Procedure is NULL.
> +**/
> +EFI_STATUS
> +EFIAPI
> +EdkiiPeiStartupAllCPUs (
> + IN EDKII_PEI_MP_SERVICES2_PPI *This,
> + IN EFI_AP_PROCEDURE Procedure,
> + IN UINTN TimeoutInMicroSeconds,
> + IN VOID *ProcedureArgument OPTIONAL
> + )
> +{
> + return MpInitLibStartupAllCPUs (
> + Procedure,
> + TimeoutInMicroSeconds,
> + ProcedureArgument
> + );
> +}
> +
> +//
> +// CPU MP2 PPI to be installed
> +//
> +EDKII_PEI_MP_SERVICES2_PPI mMpServices2Ppi = {
> + EdkiiPeiGetNumberOfProcessors,
> + EdkiiPeiGetProcessorInfo,
> + EdkiiPeiStartupAllAPs,
> + EdkiiPeiStartupThisAP,
> + EdkiiPeiSwitchBSP,
> + EdkiiPeiEnableDisableAP,
> + EdkiiPeiWhoAmI,
> + EdkiiPeiStartupAllCPUs
> +};
> +
> --
> 2.21.0.windows.1
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