Re: [PATCH v6 11/11] samples: rust: add a Rust SR-IOV PF and VF driver sample

[sashiko-bot@kernel.org]

> From: Peter Colberg <peter@colberg.org>
> 
> Add a sample module with a PF and a VF driver that demonstrates SR-IOV
> using QEMU's 82576 (igb) emulation.
> 
> The PF publishes a pinned API object in its private data and provides a
> submit_request() helper. The VF calls this helper with its Bound device
> borrow. The helper performs the typed registration lookup, so the VF
> driver does not use the API object or its lifetime encoding directly.
> 
> Keep the PF and VF drivers in separate files, but build them into a
> single module that registers both drivers. Separate modules would need
> cross-crate Rust symbol exports, which can be added once the build
> system supports them.
> 
> Unbinding the PF disables SR-IOV and removes its VFs before releasing
> the registered data.
> 
> Link: https://www.qemu.org/docs/master/system/devices/igb.html
> Signed-off-by: Peter Colberg <peter@colberg.org>
> Co-developed-by: Zhi Wang <zhiw@nvidia.com>
> Signed-off-by: Zhi Wang <zhiw@nvidia.com>
> Co-developed-by: Simon Song <xinmengs@nvidia.com>
> Signed-off-by: Simon Song <xinmengs@nvidia.com>

Sashiko has reviewed this patch and found no issues.

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