Olivier, Jordan,

On 12/11/14 03:45, Laszlo Ersek wrote:
> Changes in v3:
> - Patches #1 and #2 have been updated to exploit the new 64-bit width of
>   the fw_cfg data register, for (almost linearly) better performance.
>   Please see the notes on the individual patches for changes. This
>   improvement was suggested by Drew Jones.
> 
> - Patch #13 has been tacked on, fusing the original posting at
>   <http://thread.gmane.org/gmane.comp.bios.tianocore.devel/11604> with
>   this series. The patch has also been updated; please see the details
>   in the notes section of the patch.
> 
> - The series now depends on the (similarly unified) QEMU patchset at
>   <http://thread.gmane.org/gmane.comp.emulators.qemu/309641>:
> 
>   [PATCH v3 0/7] fw_cfg, bootorder, and UEFI+'-kernel' on arm/virt
> 
> - Public branch:
>   
> https://github.com/lersek/edk2/commits/armvirt_fwcfg_efi_kernel_support_bz1128341_v3
> 
> Changes in v2 (archived at
> <http://thread.gmane.org/gmane.comp.bios.tianocore.devel/11591>):
> - The DTB bindings have been updated ("standardized") for patch #1.
>   (Changes are mentioned there in a bit more detail.)
> 
> V1 was posted at
> <http://thread.gmane.org/gmane.comp.bios.tianocore.devel/11493/focus=11497>.
> Quoting the blurb:
> 
>> The series
>> - adds a DTB- and MMIO-based fw_cfg client library to the
>>   ArmVirtualizationQemu platform (patches #1 and #2),
>>
>> - makes OvmfPkg's OpenFirmware to UEFI devpath translation logic
>>   reusable for the ArmVirtualizationQemu platform, making the
>>   virtio-pci specific bits conditional (patches #5 and #6),
>>
>> - introduces (similarly conditional) coverage for virtio-mmio device
>>   paths (patches #7, #8, #9, #10),
>>
>> - introduces a new Intel BDS boot policy for ArmVirtualizationQemu
>>   that considers the QEMU boot order, similarly to OVMF (patches #3,
>>   #4, #11),
>>
>> - somewhat independently, ensures that the UEFI shell is always
>>   present as a boot option (patch #12).
>>
>> The patches are interleaved in a "demand driven" order, showing the
>> dependencies between ArmVirtualizationPkg and OvmfPkg.
>> ArmVirtualizationPkg takes the edges, providing the low level fw_cfg
>> client service and consuming the top-level feature, whereas OvmfPkg
>> sits in the middle, consuming the fw_cfg capability and providing the
>> boot order logic.
> 
> Thanks,
> Laszlo
> 
> Laszlo Ersek (13):
>   ArmVirtualizationPkg: VirtFdtDxe: forward FwCfg addresses from DTB to
>     PCDs
>   ArmVirtualizationPkg: introduce QemuFwCfgLib instance for DXE drivers
>   ArmVirtualizationPkg: clone PlatformIntelBdsLib from ArmPlatformPkg
>   ArmVirtualizationPkg: PlatformIntelBdsLib: add basic policy
>   OvmfPkg: extract QemuBootOrderLib
>   OvmfPkg: QemuBootOrderLib: featurize PCI-like device path translation
>   OvmfPkg: introduce VIRTIO_MMIO_TRANSPORT_GUID
>   ArmVirtualizationPkg: VirtFdtDxe: use dedicated
>     VIRTIO_MMIO_TRANSPORT_GUID
>   OvmfPkg: QemuBootOrderLib: widen ParseUnitAddressHexList() to UINT64
>   OvmfPkg: QemuBootOrderLib: OFW-to-UEFI translation for virtio-mmio
>   ArmVirtualizationPkg: PlatformIntelBdsLib: adhere to QEMU's boot order
>   ArmVirtualizationPkg: identify "new shell" as builtin shell for Intel
>     BDS
>   ArmVirtualizationPkg: Intel BDS: load EFI-stubbed Linux kernel from
>     fw_cfg
> 
>  
> ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformIntelBdsLib/PlatformIntelBdsLib.inf
>  |   77 ++++
>  ArmPlatformPkg/ArmVirtualizationPkg/Library/QemuFwCfgLib/QemuFwCfgLib.inf    
>            |   52 +++
>  ArmPlatformPkg/ArmVirtualizationPkg/VirtFdtDxe/VirtFdtDxe.inf                
>            |    5 +-
>  OvmfPkg/Library/PlatformBdsLib/PlatformBdsLib.inf                            
>            |    3 +-
>  OvmfPkg/Library/QemuBootOrderLib/QemuBootOrderLib.inf                        
>            |   59 +++
>  
> ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformIntelBdsLib/IntelBdsPlatform.h
>       |   63 ++++
>  OvmfPkg/Include/Guid/VirtioMmioTransport.h                                   
>            |   25 ++
>  OvmfPkg/{Library/PlatformBdsLib/QemuBootOrder.h => 
> Include/Library/QemuBootOrderLib.h}  |    6 +-
>  
> ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformIntelBdsLib/IntelBdsPlatform.c
>       |  395 +++++++++++++++++++
>  ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformIntelBdsLib/QemuKernel.c 
>            | 1088 +++++++++++++++++++++++++++++++++++++++++++++++++++++
>  ArmPlatformPkg/ArmVirtualizationPkg/Library/QemuFwCfgLib/QemuFwCfgLib.c      
>            |  358 ++++++++++++++++++
>  ArmPlatformPkg/ArmVirtualizationPkg/VirtFdtDxe/VirtFdtDxe.c                  
>            |   28 +-
>  OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c                                 
>            |    2 +-
>  OvmfPkg/Library/{PlatformBdsLib/QemuBootOrder.c => 
> QemuBootOrderLib/QemuBootOrderLib.c} |  299 +++++++++++++--
>  ArmPlatformPkg/ArmVirtualizationPkg/ArmVirtualizationPkg.dec                 
>            |    3 +
>  ArmPlatformPkg/ArmVirtualizationPkg/ArmVirtualizationQemu.dsc                
>            |   13 +-
>  OvmfPkg/OvmfPkg.dec                                                          
>            |    8 +
>  OvmfPkg/OvmfPkgIa32.dsc                                                      
>            |    1 +
>  OvmfPkg/OvmfPkgIa32X64.dsc                                                   
>            |    1 +
>  OvmfPkg/OvmfPkgX64.dsc                                                       
>            |    1 +
>  20 files changed, 2456 insertions(+), 31 deletions(-)
>  create mode 100644 
> ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformIntelBdsLib/PlatformIntelBdsLib.inf
>  create mode 100644 
> ArmPlatformPkg/ArmVirtualizationPkg/Library/QemuFwCfgLib/QemuFwCfgLib.inf
>  create mode 100644 OvmfPkg/Library/QemuBootOrderLib/QemuBootOrderLib.inf
>  create mode 100644 
> ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformIntelBdsLib/IntelBdsPlatform.h
>  create mode 100644 OvmfPkg/Include/Guid/VirtioMmioTransport.h
>  rename OvmfPkg/{Library/PlatformBdsLib/QemuBootOrder.h => 
> Include/Library/QemuBootOrderLib.h} (91%)
>  create mode 100644 
> ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformIntelBdsLib/IntelBdsPlatform.c
>  create mode 100644 
> ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformIntelBdsLib/QemuKernel.c
>  create mode 100644 
> ArmPlatformPkg/ArmVirtualizationPkg/Library/QemuFwCfgLib/QemuFwCfgLib.c
>  rename OvmfPkg/Library/{PlatformBdsLib/QemuBootOrder.c => 
> QemuBootOrderLib/QemuBootOrderLib.c} (77%)

do you have any comments for the ArmPlatformPkg/ and OvmfPkg/ changes,
respectively?

This patchset has spent 16 days on the list without any feedback. (I
didn't send pings because I reposted the series twice, with some
updates, even without feedback.)

The underlying QEMU feature is still under review on qemu-devel. Once
it's committed -- assuming I receive no feedback here for the firmware
code until then -- I plan to go ahead and commit this patchset to edk2
SVN, even without R-b's. I think the patchset has been available for
sufficient time, for at least initiating a review.

If you disagree with my committing without R-b's, then please review my
stuff in a more timely manner. (Or revoke my commit rights.)

Thanks
Laszlo

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