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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: uGSNNPn3t4CeoYuyXUa0u3hJk7gSQUGIBeHu1CRf8kk7aSN8/FzccbEBD52jlZSEtMIdwr6i2+xMirSCukOl8TjePhBHOcTKIuY7W2qXwH5VTMy0ESOIcVSfS4QzSBga+/KYANTdRrSLDJYK0zm/3U5qFikXjrVuMhzeW5+VkEcUr+P6OcGXVWtff2K6A6/w7/8gYVPV+W40YsVtGrYKHs2nAEJ1xGh63e8EXs56ACCzFst/xomylACnbyB6XjFO3uWkHX5P/TaF5uev9bNb3tW6uNX/2RjDkQqKuNiLx9rYEA7wqHZnunGswB0mXZciYReTSnniCa6Ro8I99KyvgAjbzQPQRGF8vuq3RZkBKg7y4NWtjmOVd9+QOvDBmiX1IAjuHgEnVXMDSZiSU5t4zfl9YJi8A3NWdT7YsjIHFrSPpkbR67dwwFlx3JAsKDMw X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Oct 2026 12:08:23.3653 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 74a8e659-5c81-4e73-9ffd-08df2210304b X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF00002327.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SAWPR12MB999318 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 1af5bdc19830..616ac40b8bcd 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