[edk2-devel] [Patch v3 5/6] UefiCpuPkg/CpuMpPei: Produce EDKII_PEI_MP_SERVICES2_PPI.
Dong, Eric
eric.dong at intel.com
Wed Jul 24 07:07:26 UTC 2019
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.PcdPteMemoryEncryptionAddressOrMask ## 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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