Re: [PATCH v6 08/11] rust: pci: add SR-IOV enable and disable tokens

[sashiko-bot@kernel.org]

> From: Zhi Wang <zhiw@nvidia.com>
> 
> Enabling VFs can succeed before the driver's remaining setup fails.
> Use a callback-scoped token to return an enabled guard that disables
> SR-IOV when dropped, rolling back those VFs on a later error.
> 
> Add SriovEnable, SriovEnabled and SriovDisable for the split callbacks
> introduced later in this series. Tie each token to its PF and callback
> lifetime, and limit the enabled count to the user's request. The PCI
> adapter disarms the guard when accepting a successful enable callback.
> 
> Require a VfRegistration to own final VF teardown after that handoff.
> Drivers that do not share data with VFs can register (). A disable
> token permits explicit shutdown without forcing it on a rejected
> request.
> 
> Suggested-by: Danilo Krummrich <dakr@kernel.org>
> Signed-off-by: Zhi Wang <zhiw@nvidia.com>
> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
> Signed-off-by: Simon Song <xinmengs@nvidia.com>

Sashiko has reviewed this patch and found no issues.

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