mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-10 14:23:31 +01:00
382 lines
20 KiB
C
382 lines
20 KiB
C
/** @file
|
|
Multiple-Processor initialization Library.
|
|
|
|
Copyright (c) 2016 - 2019, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#ifndef __MP_INIT_LIB_H__
|
|
#define __MP_INIT_LIB_H__
|
|
|
|
#include <Ppi/SecPlatformInformation.h>
|
|
#include <Protocol/MpService.h>
|
|
|
|
/**
|
|
MP Initialize Library initialization.
|
|
|
|
This service will allocate AP reset vector and wakeup all APs to do APs
|
|
initialization.
|
|
|
|
This service must be invoked before all other MP Initialize Library
|
|
service are invoked.
|
|
|
|
@retval EFI_SUCCESS MP initialization succeeds.
|
|
@retval Others MP initialization fails.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MpInitLibInitialize (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
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.
|
|
|
|
@param[out] NumberOfProcessors Pointer to the total number of logical
|
|
processors in the system, including the BSP
|
|
and disabled APs.
|
|
@param[out] NumberOfEnabledProcessors Pointer to the number of enabled logical
|
|
processors that exist in system, including
|
|
the BSP.
|
|
|
|
@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 and NumberOfEnabledProcessors
|
|
is NULL.
|
|
@retval EFI_NOT_READY MP Initialize Library is not initialized.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MpInitLibGetNumberOfProcessors (
|
|
OUT UINTN *NumberOfProcessors, OPTIONAL
|
|
OUT UINTN *NumberOfEnabledProcessors OPTIONAL
|
|
);
|
|
|
|
/**
|
|
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.
|
|
|
|
@param[in] ProcessorNumber The handle number of processor.
|
|
@param[out] ProcessorInfoBuffer A pointer to the buffer where information for
|
|
the requested processor is deposited.
|
|
@param[out] HealthData Return processor health data.
|
|
|
|
@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.
|
|
@retval EFI_NOT_READY MP Initialize Library is not initialized.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MpInitLibGetProcessorInfo (
|
|
IN UINTN ProcessorNumber,
|
|
OUT EFI_PROCESSOR_INFORMATION *ProcessorInfoBuffer,
|
|
OUT EFI_HEALTH_FLAGS *HealthData OPTIONAL
|
|
);
|
|
|
|
/**
|
|
This service executes a caller provided function on all enabled APs.
|
|
|
|
@param[in] Procedure A pointer to the function to be run on
|
|
enabled APs of the system. See type
|
|
EFI_AP_PROCEDURE.
|
|
@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] WaitEvent The event created by the caller with CreateEvent()
|
|
service. If it is NULL, then execute in
|
|
blocking mode. BSP waits until all APs finish
|
|
or TimeoutInMicroSeconds expires. If it's
|
|
not NULL, then execute in non-blocking mode.
|
|
BSP requests the function specified by
|
|
Procedure to be started on all the enabled
|
|
APs, and go on executing immediately. If
|
|
all return from Procedure, or TimeoutInMicroSeconds
|
|
expires, this event is signaled. The BSP
|
|
can use the CheckEvent() or WaitForEvent()
|
|
services to check the state of event. Type
|
|
EFI_EVENT is defined in CreateEvent() in
|
|
the Unified Extensible Firmware Interface
|
|
Specification.
|
|
@param[in] TimeoutInMicroseconds Indicates the time limit in microseconds for
|
|
APs to return from Procedure, either for
|
|
blocking or non-blocking mode. 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 MpInitLibStartupAllAPs() or
|
|
MPInitLibStartupThisAP().
|
|
If the timeout expires in blocking mode,
|
|
BSP returns EFI_TIMEOUT. If the timeout
|
|
expires in non-blocking mode, WaitEvent
|
|
is signaled with SignalEvent().
|
|
@param[in] ProcedureArgument The parameter passed into Procedure for
|
|
all APs.
|
|
@param[out] FailedCpuList If NULL, this parameter is ignored. Otherwise,
|
|
if all APs finish successfully, then its
|
|
content is set to NULL. If not all APs
|
|
finish before timeout expires, then its
|
|
content is set to address of the buffer
|
|
holding handle numbers of the failed APs.
|
|
The buffer is allocated by MP Initialization
|
|
library, and it's the caller's responsibility to
|
|
free the buffer with FreePool() service.
|
|
In blocking mode, it is ready for consumption
|
|
when the call returns. In non-blocking mode,
|
|
it is ready when WaitEvent is signaled. The
|
|
list of failed CPU is terminated by
|
|
END_OF_CPU_LIST.
|
|
|
|
@retval EFI_SUCCESS In blocking mode, all APs have finished before
|
|
the timeout expired.
|
|
@retval EFI_SUCCESS In non-blocking mode, function has been dispatched
|
|
to all enabled APs.
|
|
@retval EFI_UNSUPPORTED A non-blocking mode request was made after the
|
|
UEFI event EFI_EVENT_GROUP_READY_TO_BOOT was
|
|
signaled.
|
|
@retval EFI_UNSUPPORTED WaitEvent is not NULL if non-blocking mode is not
|
|
supported.
|
|
@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_NOT_READY MP Initialize Library is not initialized.
|
|
@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
|
|
MpInitLibStartupAllAPs (
|
|
IN EFI_AP_PROCEDURE Procedure,
|
|
IN BOOLEAN SingleThread,
|
|
IN EFI_EVENT WaitEvent OPTIONAL,
|
|
IN UINTN TimeoutInMicroseconds,
|
|
IN VOID *ProcedureArgument OPTIONAL,
|
|
OUT UINTN **FailedCpuList OPTIONAL
|
|
);
|
|
|
|
/**
|
|
This service lets the caller get one enabled AP to execute a caller-provided
|
|
function.
|
|
|
|
@param[in] Procedure A pointer to the function to be run on the
|
|
designated AP of the system. See type
|
|
EFI_AP_PROCEDURE.
|
|
@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
|
|
MpInitLibGetNumberOfProcessors().
|
|
@param[in] WaitEvent The event created by the caller with CreateEvent()
|
|
service. If it is NULL, then execute in
|
|
blocking mode. BSP waits until this AP finish
|
|
or TimeoutInMicroSeconds expires. If it's
|
|
not NULL, then execute in non-blocking mode.
|
|
BSP requests the function specified by
|
|
Procedure to be started on this AP,
|
|
and go on executing immediately. If this AP
|
|
return from Procedure or TimeoutInMicroSeconds
|
|
expires, this event is signaled. The BSP
|
|
can use the CheckEvent() or WaitForEvent()
|
|
services to check the state of event. Type
|
|
EFI_EVENT is defined in CreateEvent() in
|
|
the Unified Extensible Firmware Interface
|
|
Specification.
|
|
@param[in] TimeoutInMicroseconds Indicates the time limit in microseconds for
|
|
this AP to finish this Procedure, either for
|
|
blocking or non-blocking mode. Zero means
|
|
infinity. If the timeout expires before
|
|
this AP returns from Procedure, then Procedure
|
|
on the AP is terminated. The
|
|
AP is available for next function assigned
|
|
by MpInitLibStartupAllAPs() or
|
|
MpInitLibStartupThisAP().
|
|
If the timeout expires in blocking mode,
|
|
BSP returns EFI_TIMEOUT. If the timeout
|
|
expires in non-blocking mode, WaitEvent
|
|
is signaled with SignalEvent().
|
|
@param[in] ProcedureArgument The parameter passed into Procedure on the
|
|
specified AP.
|
|
@param[out] Finished If NULL, this parameter is ignored. In
|
|
blocking mode, this parameter is ignored.
|
|
In non-blocking mode, if AP returns from
|
|
Procedure before the timeout expires, its
|
|
content is set to TRUE. Otherwise, the
|
|
value is set to FALSE. The caller can
|
|
determine if the AP returned from Procedure
|
|
by evaluating this value.
|
|
|
|
@retval EFI_SUCCESS In blocking mode, specified AP finished before
|
|
the timeout expires.
|
|
@retval EFI_SUCCESS In non-blocking mode, the function has been
|
|
dispatched to specified AP.
|
|
@retval EFI_UNSUPPORTED A non-blocking mode request was made after the
|
|
UEFI event EFI_EVENT_GROUP_READY_TO_BOOT was
|
|
signaled.
|
|
@retval EFI_UNSUPPORTED WaitEvent is not NULL if non-blocking mode is not
|
|
supported.
|
|
@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_READY The specified AP is busy.
|
|
@retval EFI_NOT_READY MP Initialize Library is not initialized.
|
|
@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
|
|
MpInitLibStartupThisAP (
|
|
IN EFI_AP_PROCEDURE Procedure,
|
|
IN UINTN ProcessorNumber,
|
|
IN EFI_EVENT WaitEvent OPTIONAL,
|
|
IN UINTN TimeoutInMicroseconds,
|
|
IN VOID *ProcedureArgument OPTIONAL,
|
|
OUT BOOLEAN *Finished OPTIONAL
|
|
);
|
|
|
|
/**
|
|
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.
|
|
|
|
@param[in] ProcessorNumber The handle number of AP that is to become the new
|
|
BSP. The range is from 0 to the total number of
|
|
logical processors minus 1. The total number of
|
|
logical processors can be retrieved by
|
|
MpInitLibGetNumberOfProcessors().
|
|
@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.
|
|
@retval EFI_NOT_READY MP Initialize Library is not initialized.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MpInitLibSwitchBSP (
|
|
IN UINTN ProcessorNumber,
|
|
IN BOOLEAN EnableOldBSP
|
|
);
|
|
|
|
/**
|
|
This service lets 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.
|
|
The range is from 0 to the total number of
|
|
logical processors minus 1. The total number of
|
|
logical processors can be retrieved by
|
|
MpInitLibGetNumberOfProcessors().
|
|
@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
|
|
EFI_MP_SERVICES_PROTOCOL.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.
|
|
@retval EFI_NOT_READY MP Initialize Library is not initialized.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MpInitLibEnableDisableAP (
|
|
IN UINTN ProcessorNumber,
|
|
IN BOOLEAN EnableAP,
|
|
IN UINT32 *HealthFlag OPTIONAL
|
|
);
|
|
|
|
/**
|
|
This return the handle number for the calling processor. This service may be
|
|
called from the BSP and APs.
|
|
|
|
@param[out] ProcessorNumber Pointer to the handle number of 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
|
|
MpInitLibGetNumberOfProcessors().
|
|
|
|
@retval EFI_SUCCESS The current processor handle number was returned
|
|
in ProcessorNumber.
|
|
@retval EFI_INVALID_PARAMETER ProcessorNumber is NULL.
|
|
@retval EFI_NOT_READY MP Initialize Library is not initialized.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MpInitLibWhoAmI (
|
|
OUT UINTN *ProcessorNumber
|
|
);
|
|
|
|
/**
|
|
This service executes a caller provided function on all enabled CPUs.
|
|
|
|
@param[in] Procedure A pointer to the function to be run on
|
|
enabled APs of the system. See type
|
|
EFI_AP_PROCEDURE.
|
|
@param[in] TimeoutInMicroseconds Indicates the time limit in microseconds for
|
|
APs to return from Procedure, either for
|
|
blocking or non-blocking mode. Zero means
|
|
infinity. TimeoutInMicroseconds is ignored
|
|
for BSP.
|
|
@param[in] ProcedureArgument The parameter passed into Procedure for
|
|
all APs.
|
|
|
|
@retval EFI_SUCCESS In blocking mode, all CPUs have finished before
|
|
the timeout expired.
|
|
@retval EFI_SUCCESS In non-blocking mode, function has been dispatched
|
|
to all enabled CPUs.
|
|
@retval EFI_DEVICE_ERROR Caller processor is AP.
|
|
@retval EFI_NOT_READY Any enabled APs are busy.
|
|
@retval EFI_NOT_READY MP Initialize Library is not initialized.
|
|
@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
|
|
MpInitLibStartupAllCPUs (
|
|
IN EFI_AP_PROCEDURE Procedure,
|
|
IN UINTN TimeoutInMicroseconds,
|
|
IN VOID *ProcedureArgument OPTIONAL
|
|
);
|
|
|
|
#endif
|