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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: qiKjROeYUHTBlQ5pZ2RGf5dbrjvb9H242RWJQTQCK7ubZ0hlchYMk8NhkKfwUiNgSYpWb+8h+1wZm8wnMCUfYMOQTkJ/VBSMyiHfkvJmWrU///BtxciYC1dEuVHqCZRLGsWyeqixPb7CGTKUhbQMkh97IpjMBA4piK0xLTcbmp6X2FMZ75mUE8swMl9TMDaclUDLkL+1ABYZOZfuBtShbQPNE7cjUm2kPi7JqjAcFcBxssY4jKVBfkpkjD2VBD82r4vffeF2FSZCtYtG5OiMJpkboJM0ZeXVb3TC8cO4eOHKNSsApXl5WeVETFi+97N9GR0QGYJXmSA8j3MOv6udeM0ur/qvy9fisKoEiuvTnbuGqYUabQXtv+n5TJwdK8R4GtCcO+XYtedI4rmpB8tcMDHu4DrSu4PytgSs4ewJSaygVNYNb3d3sOYPNUHmQ9IP X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Sep 2026 10:19:50.4301 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 64de4db4-8b54-4902-95e8-08df1edc5ca8 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: BN2PEPF0000A98F.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4466 From: John Hubbard Add a method to check if a PCI device is a Virtual Function (VF) created through Single Root I/O Virtualization (SR-IOV). Signed-off-by: John Hubbard Reviewed-by: Alistair Popple Reviewed-by: Joel Fernandes Signed-off-by: Peter Colberg Signed-off-by: Zhi Wang --- rust/kernel/pci/iov.rs | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/rust/kernel/pci/iov.rs b/rust/kernel/pci/iov.rs index c37ce5134673..272ed677f145 100644 --- a/rust/kernel/pci/iov.rs +++ b/rust/kernel/pci/iov.rs @@ -11,6 +11,15 @@ prelude::*, // }; +impl Device { + /// Returns `true` if this device is a Virtual Function (VF). + #[inline] + pub fn is_virtfn(&self) -> bool { + // SAFETY: `self.as_raw` is a valid pointer to a `struct pci_dev`. + unsafe { (*self.as_raw()).is_virtfn() != 0 } + } +} + impl Device> { /// Enable the Single Root I/O Virtualization (SR-IOV) capability for this device, /// where `nr_virtfn` is number of Virtual Functions (VF) to enable. -- 2.53.0