[edk2-devel] [PATCH] MdeModulePkg/Bus/Pci/PciBusDxe: Handle BAR sizing fail in high 32bit of MEM64.

Wu, Hao A hao.a.wu at intel.com
Mon Jan 18 01:12:15 UTC 2021


> -----Original Message-----
> From: devel at edk2.groups.io <devel at edk2.groups.io> On Behalf Of
> nmd5434
> Sent: Friday, January 15, 2021 5:34 PM
> To: devel at edk2.groups.io
> Cc: Zhong, Zarcd <zarcd.zhong at intel.com>
> Subject: [edk2-devel] [PATCH] MdeModulePkg/Bus/Pci/PciBusDxe: Handle
> BAR sizing fail in high 32bit of MEM64.
> 
> From: Zarcd Zhong <zarcd.zhong at intel.com>
> 
>     REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3149
> 
>     Address MEM64 BAR in type unknown if sizing fail in high 32bit.
> 
>     L: devel at edk2.groups.io
>     Cc: Ray Ni <ray.ni at intel.com>
>     Cc: Hao A Wu <hao.a.wu at intel.com>
> 
>     Reviewed-by: Ray Ni <ray.ni at intel.com>


Found that there is no "Signed-off-by:" tag.
Will add the tag when pushing this change.

Best Regards,
Hao Wu


> ---
>  MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c
> b/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c
> index 1b64924b7b..a24065e8ba 100644
> --- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c
> +++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c
> @@ -1686,6 +1686,7 @@ PciIovParseVfBar (
>                  );
> 
>        if (EFI_ERROR (Status)) {
> +        PciIoDevice->VfPciBar[BarIndex].BarType = PciBarTypeUnknown;
>          return Offset + 4;
>        }
> 
> --
> 2.16.2.windows.1
> 
> 
> 
> 
> 



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