Re: [PATCH v12 5/5] sample: rust: pci: add tests for config space routines

["Alexandre Courbot" <acourbot@nvidia.com>]

On Thu Jan 22, 2026 at 5:22 AM JST, Zhi Wang wrote:
> Add tests exercising the PCI configuration space helpers.
>
> Suggested-by: Danilo Krummrich <dakr@kernel.org>
> Signed-off-by: Zhi Wang <zhiw@nvidia.com>
> ---
>  samples/rust/rust_driver_pci.rs | 28 ++++++++++++++++++++++++++++
>  1 file changed, 28 insertions(+)
>
> diff --git a/samples/rust/rust_driver_pci.rs b/samples/rust/rust_driver_pci.rs
> index 38c949efce38..1bc5bd1a8df5 100644
> --- a/samples/rust/rust_driver_pci.rs
> +++ b/samples/rust/rust_driver_pci.rs
> @@ -5,6 +5,7 @@
>  //! To make this driver probe, QEMU must be run with `-device pci-testdev`.
>  
>  use kernel::{
> +    device::Bound,
>      device::Core,
>      devres::Devres,
>      io::Io,
> @@ -65,6 +66,32 @@ fn testdev(index: &TestIndex, bar: &Bar0) -> Result<u32> {
>  
>          Ok(bar.read32(Regs::COUNT))
>      }
> +
> +    fn config_space(pdev: &pci::Device<Bound>) -> Result {
> +        let config = pdev.config_space()?;
> +
> +        // TODO: use the register!() macro for defining PCI configuration space registers once it

I'll rebase the `register!` series on top of this and try to address
this item.

For now,

Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>