From: "Alexandre Courbot" <acourbot@nvidia.com>
To: "Danilo Krummrich" <dakr@kernel.org>, "Zhi Wang" <zhiw@nvidia.com>
Cc: <airlied@gmail.com>, <simona@ffwll.ch>, <ojeda@kernel.org>,
<alex.gaynor@gmail.com>, <boqun.feng@gmail.com>,
<gary@garyguo.net>, <bjorn3_gh@protonmail.com>,
<lossin@kernel.org>, <a.hindborg@kernel.org>,
<aliceryhl@google.com>, <tmgross@umich.edu>,
<jhubbard@nvidia.com>, <ecourtney@nvidia.com>,
<joelagnelf@nvidia.com>, <apopple@nvidia.com>, <cjia@nvidia.com>,
<smitra@nvidia.com>, <kjaju@nvidia.com>, <alkumar@nvidia.com>,
<ankita@nvidia.com>, <aniketa@nvidia.com>, <kwankhede@nvidia.com>,
<targupta@nvidia.com>, <nova-gpu@lists.linux.dev>,
<linux-kernel@vger.kernel.org>, <zhiwang@kernel.org>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"David Laight" <david.laight.linux@gmail.com>,
<linux-pci@vger.kernel.org>
Subject: Re: [PATCH v5 2/6] rust: pci: add sriov_get_totalvfs() helper
Date: Thu, 23 Jul 2026 14:30:48 +0900 [thread overview]
Message-ID: <DK5PCSJORNAQ.SAAUYDBMSESK@nvidia.com> (raw)
In-Reply-To: <20260722073913.1807677-3-zhiw@nvidia.com>
On Wed Jul 22, 2026 at 4:39 PM JST, Zhi Wang wrote:
> Expose pci_sriov_get_totalvfs() to Rust PCI drivers so they can query
> how many SR-IOV VFs a device supports.
>
> Use a conditional C helper because the !CONFIG_PCI_IOV version of
> pci_sriov_get_totalvfs() is a static inline function and is therefore
> not emitted into the Rust bindings. Return Option<NonZero<u16>> so Rust
> callers must handle the zero value that represents unavailable SR-IOV.
>
> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
> Cc: Alexandre Courbot <acourbot@nvidia.com>
> Cc: Bjorn Helgaas <bhelgaas@google.com>
> Cc: David Laight <david.laight.linux@gmail.com>
> Cc: Gary Guo <gary@garyguo.net>
> Cc: linux-pci@vger.kernel.org
> Link: https://lore.kernel.org/all/DJHPRE4TGGT8.BUTMYOF5YE05@nvidia.com/
> Signed-off-by: Zhi Wang <zhiw@nvidia.com>
The series looks ready to me, but we need a Ack on this patch to take it
through drm-rust-next - Danilo, does this look ok to you?
prev parent reply other threads:[~2026-07-23 5:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20260722073913.1807677-1-zhiw@nvidia.com>
2026-07-22 7:39 ` [PATCH v5 1/6] PCI/IOV: Return unsigned int from pci_sriov_get_totalvfs() Zhi Wang
2026-07-22 7:49 ` sashiko-bot
2026-07-22 7:39 ` [PATCH v5 2/6] rust: pci: add sriov_get_totalvfs() helper Zhi Wang
2026-07-22 7:52 ` sashiko-bot
2026-07-23 5:30 ` Alexandre Courbot [this message]
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