[edk2-devel] [PATCH v1] UefiCpuPkg: Get processor extended information for SmmCpuServiceProtocol

[Wu, Jiaxin]

Reviewed-by: Jiaxin Wu <jiaxin.wu at intel.com>

> -----Original Message-----
> From: Zhang, Hongbin1 <hongbin1.zhang at intel.com>
> Sent: Monday, May 29, 2023 2:40 PM
> To: devel at edk2.groups.io
> Cc: Zhang, Hongbin1 <hongbin1.zhang at intel.com>; Dong, Eric
> <eric.dong at intel.com>; Ni, Ray <ray.ni at intel.com>; Kumar, Rahul R
> <rahul.r.kumar at intel.com>; Gerd Hoffmann <kraxel at redhat.com>; Zeng,
> Star <star.zeng at intel.com>; Wu, Jiaxin <jiaxin.wu at intel.com>
> Subject: [PATCH v1] UefiCpuPkg: Get processor extended information for
> SmmCpuServiceProtocol
> 
> Some features like RAS need to use processor extended information
> under smm, So add code to support it
> 
> Signed-off-by: Hongbin1 Zhang <hongbin1.zhang at intel.com>
> Cc: Eric Dong <eric.dong at intel.com>
> Cc: Ray Ni <ray.ni at intel.com>
> Cc: Rahul Kumar <rahul1.kumar at intel.com>
> Cc: Gerd Hoffmann <kraxel at redhat.com>
> Cc: Star Zeng <star.zeng at intel.com>
> Cc: Jiaxin Wu <jiaxin.wu at intel.com>
> ---
>  UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
> b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
> index c0e368ea94..8311c3b9de 100644
> --- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
> +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
> @@ -929,7 +929,7 @@ PiCpuSmmEntry (
>      gSmmCpuPrivate->Operation[Index]        = SmmCpuNone;
> 
>      if (Index < mNumberOfCpus) {
> -      Status = MpServices->GetProcessorInfo (MpServices, Index,
> &gSmmCpuPrivate->ProcessorInfo[Index]);
> +      Status = MpServices->GetProcessorInfo (MpServices, Index |
> CPU_V2_EXTENDED_TOPOLOGY, &gSmmCpuPrivate->ProcessorInfo[Index]);
>        ASSERT_EFI_ERROR (Status);
>        mCpuHotPlugData.ApicId[Index] = gSmmCpuPrivate-
> >ProcessorInfo[Index].ProcessorId;
> 
> --
> 2.37.0.windows.1




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