Re: [edk2-devel] [PATCH V3 0/2] Initial commit for RISC-V Qemu-based Server

["Fu Siyuan" <siyuan.fu@linux.alibaba.com>]

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Hi, Evan

Here are some more comments for the Readme.md in the v2.5 branch.
https://github.com/ChaiEvan/edk2-platforms/blob/RV_ServerPlatformRef_v2.5/Platform/Qemu/RiscVQemuServerPlatform/Readme.md

1. Please remove the Revision History section, since this is a readme 
file instead of a formal released document. I guess you may copied from 
a design doc of this Pkg? If yes pls put a link here.

2. The “2.1 Requirements” and “2.2 High Level Design” are 
describing the QEMO model requirement/design, not this platform package. 
Please replace them by a link to the QEMO model doc. It doesn’t make 
sense to maintain these content here.

3. About figure 1 “RISC-V Platform EDK2 Firmware Enabling 
Philosophy” in section 3. It makes me confuse about the platform 
enabling philosophy instead of explained it. The dotted line “QemuVirt 
Boot Flow” and blue like “QemuServerPlatform Boot Flow” behaves 
exactly same with each other - both loaded OpenSbi, both consume 
VirtDevices dotted box, and both boot to Shell/Linux - so what’s the 
meaning of creating a new QemuServerPlatform package and what’s the 
expected diffenence (benifit) vs the existing Virt? Please consider to 
update this figure to make it more clear. Again, considering the boot 
flow design may change, please move it to the design doc.

4. Please reverse the order of Section 4.1 built test, 4.2 build 
platform BIOS, or move 4.1 to 5 Verification. A common dev setup process 
should be like “download code, build it, then test”.

5. Please remove the 8 Appendix if there is no content.

6. Please remove your old email address, not cross it out.

Best Regards,
Siyuan


On 19 Jul 2024, at 12:29, EvanChai wrote:

> Hi Andrei,
>  Could you help review the patch?
> As I said before, it is the initial commit for kicking off RV server 
> platform project. Then we can continue to optimize it based on this 
> foundation. More importantly, other developers now have a codebase for 
> developing server platform features.
> If I remember correctly, the following table lists the next phase of 
> feature implementation that you and Yong discussed a couple of months 
> ago. Let's proceed with the work according to this table.
> Table 6 Upcoming UEFI Features List
> Task Category
> Task Description
> Comments
> # Enable Non-Virtio devices1. Add Memory mapped AHCI controller, to 
> enable SATA deviceInlcude drivers for AHCI and Sata, eg: 
> OvmfPkg/SataControllerDxe/SataControllerDxe.inf 
> MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBusDxe.inf 
> MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDiskDxe.inf
> 2. Add Memory mapped EHCI/XHCI controller to enable USB devicesInclude 
> drivers for XHCI/ECHI for USB devices, eg: 
> MdeModulePkg/Bus/Pci/UhciDxe/UhciDxe.inf 
> MdeModulePkg/Bus/Pci/EhciDxe/EhciDxe.inf 
> MdeModulePkg/Bus/Pci/XhciDxe/XhciDxe.inf 
> MdeModulePkg/Bus/Usb/UsbKbDxe/UsbKbDxe.inf
> 3. Clean-up OVMF version of the NOR flash DXE driver, which supports 
> QEMU's NOR flash emulationExisting OVMF Norflash driver will cause 
> some BRS related cases’ failure, this takes includes the code 
> clean-up and bug fixes to the existing Norflash drvier in OVMF: 
> ExitBootServicesTestVariable * 1, BS.GetNextMonotonicCount * 3, 
> RT.SetVariable - Non-volatile variable after system reset * 4, 
> RT.SetTime - Verify xx after change * 8
> 4. Enable non-virtio network, eg: E1000E NICThis may depend on QEMU 
> side implementation, and the server platform spec requirement, can 
> take it as low priority and use virtio-net first
> 5. Enable non-virto VGA displayThis may depend on QEMU side 
> implementation, and the server platform spec requirement, can take it 
> as low priority and use virtio-gpu first
> # Add initial support for static ACPI tables6. Add the DSDT, FADT, 
> GTDT, SPCR tables for ServerPlatform-Ref platformThis can refer to 
> SBSA’s implementation 
> https://github.com/tianocore/edk2-platforms/commit/4476e34cf93458e0ea84820fb88e82a2997e5075 
> <https://github.com/tianocore/edk2-platforms/commit/4476e34cf93458e0ea84820fb88e82a2997e5075 
> >
> 7. Handle EHCI and XHCI in DSDT, not to try to initialize non-existing 
> hardwareThis can refer to SBSA’s implementation 
> https://www.mail-archive.com/devel@edk2.groups.io/msg64706.html 
> <https://www.mail-archive.com/devel@edk2.groups.io/msg64706.html >
> # Add SMBIOS tables8. Add SMBIOS tables by referencing 
> ArmPkg/Universal/Smbios, set PcdSmbiosVersion to the version as 
> required by RISCV server platform specRefer to 
> https://github.com/tianocore/edk2-platforms/commit/c2016d9b6836acc27df939f0cccffe61c1bac492 
> <https://github.com/tianocore/edk2-platforms/commit/c2016d9b6836acc27df939f0cccffe61c1bac492 
> >
> 9. Add implementation that provides the system information. The serial 
> numbers, asset tags etc. are currently all fixed strings, to allow 
> fwts to pass without errorsRefer to 
> https://github.com/tianocore/edk2-platforms/tree/master/Platform/Qemu/SbsaQemu/OemMiscLib 
> <https://github.com/tianocore/edk2-platforms/tree/master/Platform/Qemu/SbsaQemu/OemMiscLib 
> >
> # Move drivers toward to FdtBusPkg-based implementation (This will not 
> be 1st priority)10. Verify and replace the OVMF Norflash driver to 
> device tree-based Norflash driverRefer to 
> https://github.com/intel/FdtBusPkg <https://github.com/intel/FdtBusPkg 
> >
> 11. Verify and replace the PCI root bridge driver to device tree-based 
> PCI root bridge driverRefer to https://github.com/intel/FdtBusPkg 
> <https://github.com/intel/FdtBusPkg >
> # MSIC12. Initiate the design by Intel, keep ReadMe.md 
> <http://readme.md/ > update with partnerRefer to 
> https://github.com/tianocore/edk2-platforms/blob/master/Platform/Qemu/SbsaQemu/Readme.md 
> <https://github.com/tianocore/edk2-platforms/blob/master/Platform/Qemu/SbsaQemu/Readme.md 
> >
> BR,
> Evan
> ------------------------------------------------------------------
> 发件人：EvanChai <evan.chai@linux.alibaba.com>
> 发送时间：2024年7月12日(星期五) 16:30
> 收件人：Sunil V L<sunilvl@ventanamicro.com>
> 抄　送：devel<devel@edk2.groups.io>; 
> "evan.chai"<evan.chai@linux.alibaba.com>; Andrei 
> Warkentin<andrei.warkentin@intel.com>; "yong.li"<yong.li@intel.com>
> 主　题：回复：[edk2-devel] [PATCH V3 0/2] Initial commit for 
> RISC-V Qemu-based Server
> Hi Sunil,
>  I updated the patch by your solid commetns:
> 1. I didn't do any change except for renaming in this version, so the 
> code part is no need to be splitted to pieces;
> 2. I simplified the Readme file, the rest of part were all linked to 
> the RISE wik. 
> <https://wiki.riseproject.dev/display/HOME/EDK2_00_18+-+RISC-V+QEMU+Server+Reference+Platform 
> > Then we can keep improving it on that page.
> Source: 
> https://github.com/ChaiEvan/edk2-platforms/commits/RV_ServerPlatformRef_v2.5 
> <https://github.com/ChaiEvan/edk2-platforms/commits/RV_ServerPlatformRef_v2.5 
> >
> BR,
> Evan
> ------------------------------------------------------------------
> 发件人：Evan Chai <evanchai91@gmail.com>
> 发送时间：2024年7月12日(星期五) 16:20
> 收件人：devel<devel@edk2.groups.io>
> 抄　送：Evan Chai<evan.chai@linux.alibaba.com>
> 主　题：[edk2-devel] [PATCH V3 0/2] Initial commit for RISC-V 
> Qemu-based Server
> This is a foundational patch to move the 'RISC-V QEMU Server Reference 
> Platform' forward.
> Evan Chai (2):
>  RiscVQemuServerPlatform: Initial commit for RISC-V Qemu-based Server
>  platform
>  RiscVQemuServerPlatform: added README file
>  Platform/Qemu/RiscVQemuServerPlatform/Readme.md | 165 
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  Platform/Qemu/RiscVQemuServerPlatform/RiscVQemuServerPlatform.dsc | 
> 496 
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  Platform/Qemu/RiscVQemuServerPlatform/RiscVQemuServerPlatform.dsc.inc 
> | 341 
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  Platform/Qemu/RiscVQemuServerPlatform/RiscVQemuServerPlatform.fdf | 
> 317 
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  Platform/Qemu/RiscVQemuServerPlatform/RiscVQemuServerPlatform.fdf.inc 
> | 41 +++++++++++++++++++++++++++++++++++++++++
>  Platform/Qemu/RiscVQemuServerPlatform/VarStore.fdf.inc | 72 
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  6 files changed, 1432 insertions(+)
>  create mode 100644 Platform/Qemu/RiscVQemuServerPlatform/Readme.md
>  create mode 100644 
> Platform/Qemu/RiscVQemuServerPlatform/RiscVQemuServerPlatform.dsc
>  create mode 100644 
> Platform/Qemu/RiscVQemuServerPlatform/RiscVQemuServerPlatform.dsc.inc
>  create mode 100644 
> Platform/Qemu/RiscVQemuServerPlatform/RiscVQemuServerPlatform.fdf
>  create mode 100644 
> Platform/Qemu/RiscVQemuServerPlatform/RiscVQemuServerPlatform.fdf.inc
>  create mode 100644 
> Platform/Qemu/RiscVQemuServerPlatform/VarStore.fdf.inc
> -- 
> 2.45.1.windows.1
>
>
> 


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