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...@intel.com> Cc: Laszlo Ersek <ler...@redhat.com> Cc: Chandana Kumar <chandana.c.ku...@intel.com> Cc: Star Zeng <star.z...@intel.com> Signed-off-by: Eric Dong <eric.d...@intel.com> --- UefiCpuPkg/Include/Library/MpInitLib.h | 33 ++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/UefiCpuPkg/Include/Library/MpInitLib.h b/UefiCpuPkg/Include/Library/MpInitLib.h index fa82529373..a943fbd9bc 100644 --- a/UefiCpuPkg/Include/Library/MpInitLib.h +++ b/UefiCpuPkg/Include/Library/MpInitLib.h @@ -344,4 +344,37 @@ 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. + @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 -- 2.21.0.windows.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#44100): https://edk2.groups.io/g/devel/message/44100 Mute This Topic: https://groups.io/mt/32556151/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
