attach a pcie root port as hostdev

[Jiatong Shen <yshxxsjt715@xxxxxxxxx>]

Hello community,

I am working on plugging a xilinx fpga card as a hostdev.  This fpga card has 2 functions, each has a different role, for some reason, I would like to attach both of them but do not want to attach them separately, so I have tried to attach a pci bridge where fpga cards connect to. but got the following  error,

error: Failed to attach device from bridge.xml
error: internal error: Non-endpoint PCI devices cannot be assigned to guests  

so, my question is is it possible to attach a pci-bridge as hostdev? thank you.

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Best Regards,

Jiatong Shen