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Wed, 30 Sep 2026 03:58:13 -0700 Received: from inno-dell.home (10.127.8.11) by mail.nvidia.com (10.129.68.6) with Microsoft SMTP Server id 15.2.2562.49 via Frontend Transport; Wed, 30 Sep 2026 03:58:02 -0700 From: Zhi Wang To: , , , , , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , Zhi Wang , Boqun Feng , Daniel Almeida , Tamir Duberstein , =?UTF-8?q?Onur=20=C3=96zkan?= , Jason Gunthorpe , Bjorn Helgaas , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , , Peter Colberg , "Simon Song" Subject: [PATCH 1/7] rust: pci: add VFIO override device IDs Date: Wed, 30 Sep 2026 13:57:43 +0300 Message-ID: <7375e4ff20dfa52a59bee0d420a87643f567c971.1790764573.git.zhiw@nvidia.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF000397B2:EE_|DM4PR12MB5817:EE_ X-MS-Office365-Filtering-Correlation-Id: 1f1d39ff-0b10-4315-c968-08df1ee1c3b8 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|23010399003|36860700016|1800799024|82310400026|376014|7416014|10067099003|56012099006|11063799006|3023799007|22082099003|18002099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: XDvpRxYNNL23XNBdZm3P+R5qr6Vmeob8C076Ih/Ljo/oHd5MjtrNdYXn4W6iz0xK5cENbxKzQFCZMae2qeIZUvon11fuUOJbpfmYoQdy5MTZGyh/kd33i7AlWHR2iO8bttrKfnGDF+j/oFm6awm1+tBysgd/4nVaJPkwwtJ7IfhqQureKKVC4fv/E5a67LCL3wsWL3JpGNL5sG5Fp8TdH0eErReqVWyiIjvC3RT4PvM10MDT7gj5hcCUaZUznb0lnI+8aV3bTxSJOox/bO3wUBkt8j6BixngkCP3v0fdYqyCwh+225Xzu/QRks3nbJmHUDkNQPv92KPiMB/RJfYYOtFiqVmeDDXJ/MT6ToEN3Osumhx4/lZRUZTNc8r5m1XyIzmlbFHyCxxapbYfv2BttU8hlFnTQP96D6XuYVg1ExeiL+dXvWozf1jFvuZZdLdT X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Sep 2026 10:58:30.8872 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1f1d39ff-0b10-4315-c968-08df1ee1c3b8 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF000397B2.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB5817 From: Danilo Krummrich VFIO variant drivers need override-only IDs and VFIO-specific module aliases so userspace can select them for PCI assignment. Add a DeviceId constructor equivalent to PCI_DRIVER_OVERRIDE_DEVICE_VFIO, matching a vendor and device without restricting the PCI class. Signed-off-by: Danilo Krummrich Signed-off-by: Zhi Wang --- rust/kernel/pci.rs | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/rust/kernel/pci.rs b/rust/kernel/pci.rs index d83492e06cee..10864ffda4ea 100644 --- a/rust/kernel/pci.rs +++ b/rust/kernel/pci.rs @@ -206,6 +206,13 @@ macro_rules! module_pci_driver { impl DeviceId { const PCI_ANY_ID: u32 = !0; + /// Equivalent to C's `PCI_DRIVER_OVERRIDE_DEVICE_VFIO` macro. + pub const fn from_id_vfio_override(vendor: Vendor, device: u32) -> Self { + let mut id = Self::from_id(vendor, device); + id.0.override_only = bindings::PCI_ID_F_VFIO_DRIVER_OVERRIDE; + id + } + /// Equivalent to C's `PCI_DEVICE` macro. /// /// Create a new `pci::DeviceId` from a vendor and device ID. -- 2.53.0