[PATCH v2 0/8] Initial support for SMMUv3 nested translation

Nicolin Chen nicolinc at nvidia.com
Fri Aug 30 10:01:14 PDT 2024


On Fri, Aug 30, 2024 at 09:07:16AM +0000, Shameerali Kolothum Thodi wrote:

> Print shows everything fine:
> create_new_pcie_port: name_port smmu_bus0xca_port0, bus_nr 0xca chassis_nr 0xfd, nested_smmu->index 0x2, pci_bus_num 0xca, ret 1
> 
> It looks like a problem with old QEMU_EFI.fd(2022 build and before).
> I tried with 2023 QEMU_EFI.fd and with that it looks fine.
> 
> root at ubuntu:/# lspci -tv
> -+-[0000:ca]---00.0-[cb]----00.0  Huawei Technologies Co., Ltd. Device a251
>  \-[0000:00]-+-00.0  Red Hat, Inc. QEMU PCIe Host bridge
>              +-01.0  Red Hat, Inc Virtio network device
>              +-02.0  Red Hat, Inc. QEMU PCIe Expander bridge
>              +-03.0  Red Hat, Inc. QEMU PCIe Expander bridge
>              +-04.0  Red Hat, Inc. QEMU PCIe Expander bridge
>              +-05.0  Red Hat, Inc. QEMU PCIe Expander bridge
>              +-06.0  Red Hat, Inc. QEMU PCIe Expander bridge
>              +-07.0  Red Hat, Inc. QEMU PCIe Expander bridge
>              +-08.0  Red Hat, Inc. QEMU PCIe Expander bridge
>              \-09.0  Red Hat, Inc. QEMU PCIe Expander bridge
> 
> So for now, I can proceed.

Nice! That's a relief, for now :)

Thanks
Nicolin



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