Re: [PATCH] rust: pci: add resource_flags accessor

[Danilo Krummrich <dakr@kernel.org>]

On 9/8/26 9:51 AM, Eliot Courtney wrote:
> From: Joel Fernandes <joelagnelf@nvidia.com>
> 
> Add a `Device::resource_flags()` method to the PCI Rust abstraction,
> wrapping the C-side static inline `pci_resource_flags()`.
> 
> The flags returned correspond to the `IORESOURCE` bitmask carried by a
> PCI BAR's `struct resource`.
> 
> The immediate motivation is BAR layout discovery on NVIDIA GPUs: a
> 64-bit BAR consumes two consecutive Linux PCI resource slots (the lower
> 32 bits at index N and the upper 32 bits at index N+1, with the latter
> having no flags or size of its own).
> 
> Signed-off-by: Joel Fernandes <joelagnelf@nvidia.com>
> Signed-off-by: Eliot Courtney <ecourtney@nvidia.com>
> ---
> This is patch 1 of Joel's nova-core mm prerequisites series [1],
> reposted with no code changes. The rest of that series was folded into
> the PRAMIN series [2], which is now in drm-rust-next and didn't carry
> this patch. The upcoming nova-core memory management changes still need
> resource_flags().
> 
> This is based on drm-rust-next.

Acked-by: Danilo Krummrich <dakr@kernel.org>