[PATCH v1] dts: automate VFIO-PCI modprobe

[Patrick Robb]

I think there is a missing check for if ports is None (user is not
providing ports, trying to only run NO_LINKS tests).

On Fri, Nov 21, 2025 at 4:06 PM Andrew Bailey <abailey at iol.unh.edu> wrote:

> Currently, users must modprobe vfio-pci before running DTS when using a
> non-mellanox NIC. This patch automates the process on test run start up.
>
> Signed-off-by: Andrew Bailey <abailey at iol.unh.edu>
> ---
>  dts/framework/test_run.py | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/dts/framework/test_run.py b/dts/framework/test_run.py
> index ff0a12c9ce..38f9e6c07d 100644
> --- a/dts/framework/test_run.py
> +++ b/dts/framework/test_run.py
> @@ -347,6 +347,10 @@ def next(self) -> State | None:
>          test_run.ctx.dpdk.setup()
>          test_run.ctx.topology.setup()
>
> +        if test_run.ctx.sut_node.ports[0].config.os_driver_for_dpdk ==
> "vfio-pci":
> +            test_run.ctx.sut_node.main_session.send_command("modprobe
> vfio")
> +            test_run.ctx.sut_node.main_session.send_command("modprobe
> vfio-pci")
> +
>          if test_run.config.use_virtual_functions:
>              test_run.ctx.topology.instantiate_vf_ports()
>
> --
> 2.50.1
>
>
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