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| author | Eric Dong <eric.dong@intel.com> | 2019-04-10 11:00:04 +0800 |
|---|---|---|
| committer | Eric Dong <eric.dong@intel.com> | 2019-07-29 09:25:19 +0800 |
| commit | 92b5a2eabc63298012630d523baa88cb5271babc (patch) | |
| tree | df09f533714ee3201c39eb628f184d1c68545a4a /UefiCpuPkg/Include | |
| parent | d47b85a621add591212546b12945d7b9873fbabf (diff) | |
| download | edk2-92b5a2eabc63298012630d523baa88cb5271babc.tar.gz edk2-92b5a2eabc63298012630d523baa88cb5271babc.tar.bz2 edk2-92b5a2eabc63298012630d523baa88cb5271babc.zip | |
UefiCpuPkg/Include/MpInitLib.h: Add MpInitLibStartupAllCPUs API.
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1973
Add new MpInitLibStartupAllCPUs API uses to start all processors
at the same time.
Cc: Ray Ni <ray.ni@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Chandana Kumar <chandana.c.kumar@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Regression-tested-by: Laszlo Ersek <lersek@redhat.com>
Diffstat (limited to 'UefiCpuPkg/Include')
| -rw-r--r-- | UefiCpuPkg/Include/Library/MpInitLib.h | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/UefiCpuPkg/Include/Library/MpInitLib.h b/UefiCpuPkg/Include/Library/MpInitLib.h index fa82529373..31eb227f12 100644 --- a/UefiCpuPkg/Include/Library/MpInitLib.h +++ b/UefiCpuPkg/Include/Library/MpInitLib.h @@ -1,7 +1,7 @@ /** @file
Multiple-Processor initialization Library.
- Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2016 - 2019, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -344,4 +344,38 @@ 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
|