[edk2-devel] [PATCH v3 5/5] ArmVirtPkg/ArmVirtQemu: Add support for HotPlug

[Laszlo Ersek]

On 12/22/20 10:59, Jiahui Cen via groups.io wrote:
> It is necessary to add padding for hotplugable PCI Devices like
> pcie-root-port.
> 
> BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3059
> 
> Cc: Laszlo Ersek <lersek at redhat.com>
> Cc: Ard Biesheuvel <ard.biesheuvel at arm.com>
> Cc: Leif Lindholm <leif at nuviainc.com>
> Signed-off-by: Jiahui Cen <cenjiahui at huawei.com>
> Signed-off-by: Yubo Miao <miaoyubo at huawei.com>
> ---
>  ArmVirtPkg/ArmVirtQemu.dsc           | 1 +
>  ArmVirtPkg/ArmVirtQemuFvMain.fdf.inc | 1 +
>  2 files changed, 2 insertions(+)
> 
> diff --git a/ArmVirtPkg/ArmVirtQemu.dsc b/ArmVirtPkg/ArmVirtQemu.dsc
> index a11ffd9ba553..d77c226d80ee 100644
> --- a/ArmVirtPkg/ArmVirtQemu.dsc
> +++ b/ArmVirtPkg/ArmVirtQemu.dsc
> @@ -488,6 +488,7 @@ [Components.common]
>      <LibraryClasses>
>        NULL|ArmVirtPkg/Library/FdtPciPcdProducerLib/FdtPciPcdProducerLib.inf
>    }
> +  OvmfPkg/PciHotPlugInitDxe/PciHotPlugInit.inf
>    OvmfPkg/VirtioPciDeviceDxe/VirtioPciDeviceDxe.inf
>    OvmfPkg/Virtio10Dxe/Virtio10.inf
>  
> diff --git a/ArmVirtPkg/ArmVirtQemuFvMain.fdf.inc b/ArmVirtPkg/ArmVirtQemuFvMain.fdf.inc
> index 1752fee12b79..5b1d10057545 100644
> --- a/ArmVirtPkg/ArmVirtQemuFvMain.fdf.inc
> +++ b/ArmVirtPkg/ArmVirtQemuFvMain.fdf.inc
> @@ -162,6 +162,7 @@ [FV.FvMain]
>    INF ArmPkg/Drivers/ArmPciCpuIo2Dxe/ArmPciCpuIo2Dxe.inf
>    INF MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridgeDxe.inf
>    INF MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf
> +  INF OvmfPkg/PciHotPlugInitDxe/PciHotPlugInit.inf
>    INF OvmfPkg/VirtioPciDeviceDxe/VirtioPciDeviceDxe.inf
>    INF OvmfPkg/Virtio10Dxe/Virtio10.inf
>  
> 

(1) Please be more diligent / careful. You are modifying an FDF
*include* file. Obviously, you want to check what includes the file, no?

ArmVirtPkg/ArmVirtQemu.fdf:!include ArmVirtQemuFvMain.fdf.inc
ArmVirtPkg/ArmVirtQemuKernel.fdf:!include ArmVirtQemuFvMain.fdf.inc

Thus, you need to modify "ArmVirtPkg/ArmVirtQemuKernel.dsc" as well;
otherwise the ArmVirtQemuKernel platform build will break.

Thanks
Laszlo



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