[edk2-devel] [PATCH 4/5] OvmfPkg/Microvm/virtio: add virtio-mmio support

[Yao, Jiewen]

Would you please help me understand what the relationship is between VirtioMmio and VirtioFdt ?

The Bugzilla just states "add support for virtio-mmio devices". How VirtioFdt comes into this case?

Thank you
Yao Jiewen

> -----Original Message-----
> From: devel at edk2.groups.io <devel at edk2.groups.io> On Behalf Of Gerd
> Hoffmann
> Sent: Thursday, October 14, 2021 11:30 PM
> To: devel at edk2.groups.io
> Cc: Ard Biesheuvel <ardb+tianocore at kernel.org>; Justen, Jordan L
> <jordan.l.justen at intel.com>; Yao, Jiewen <jiewen.yao at intel.com>; Gerd
> Hoffmann <kraxel at redhat.com>
> Subject: [edk2-devel] [PATCH 4/5] OvmfPkg/Microvm/virtio: add virtio-mmio
> support
> 
> Add virtio-mmio support (VirtioMmioDeviceLib and VirtioFdtDxe).
> 
> https://bugzilla.tianocore.org/show_bug.cgi?id=3689
> Signed-off-by: Gerd Hoffmann <kraxel at redhat.com>
> ---
>  OvmfPkg/Microvm/MicrovmX64.dsc | 2 ++
>  OvmfPkg/Microvm/MicrovmX64.fdf | 1 +
>  2 files changed, 3 insertions(+)
> 
> diff --git a/OvmfPkg/Microvm/MicrovmX64.dsc
> b/OvmfPkg/Microvm/MicrovmX64.dsc
> index 27d2024266c2..85afdca9beba 100644
> --- a/OvmfPkg/Microvm/MicrovmX64.dsc
> +++ b/OvmfPkg/Microvm/MicrovmX64.dsc
> @@ -233,6 +233,7 @@ [LibraryClasses.common]
> 
> SerialPortLib|MdeModulePkg/Library/BaseSerialPortLib16550/BaseSerialPortLib
> 16550.inf
> 
> PlatformHookLib|MdeModulePkg/Library/BasePlatformHookLibNull/BasePlatfo
> rmHookLibNull.inf
>    FdtLib|EmbeddedPkg/Library/FdtLib/FdtLib.inf
> +
> VirtioMmioDeviceLib|OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDevice
> Lib.inf
> 
>  [LibraryClasses.common.SEC]
>    QemuFwCfgLib|OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgSecLib.inf
> @@ -743,6 +744,7 @@ [Components]
>    # device tree
>    #
>    EmbeddedPkg/Drivers/FdtClientDxe/FdtClientDxe.inf
> +  OvmfPkg/Fdt/VirtioFdtDxe/VirtioFdtDxe.inf
> 
>    #
>    # SMBIOS Support
> diff --git a/OvmfPkg/Microvm/MicrovmX64.fdf
> b/OvmfPkg/Microvm/MicrovmX64.fdf
> index cc8892a459ee..0bf20a702764 100644
> --- a/OvmfPkg/Microvm/MicrovmX64.fdf
> +++ b/OvmfPkg/Microvm/MicrovmX64.fdf
> @@ -278,6 +278,7 @@ [FV.DXEFV]
>  INF  OvmfPkg/VirtioFsDxe/VirtioFsDxe.inf
> 
>  INF  EmbeddedPkg/Drivers/FdtClientDxe/FdtClientDxe.inf
> +INF  OvmfPkg/Fdt/VirtioFdtDxe/VirtioFdtDxe.inf
> 
>  !if $(TOOL_CHAIN_TAG) != "XCODE5"
>  INF
> ShellPkg/DynamicCommand/TftpDynamicCommand/TftpDynamicCommand.inf
> --
> 2.31.1
> 
> 
> 
> 
> 



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