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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: GVh5bjv691h3pP2iX4YCiifvw4+1/B9LpVEePtlYKS8+qRBcP2ZE4eawFH0/nHgLN/HW65sS1iJdQ47s9ZLzAArVu5Ylg6BMGM7fcwaewOqZqoyZA+8vqo0EPGcDSfdINIabLTFXdTw+xHUlGsulBVPOKwAirjOz8s5Z419fk9wkk6VpskiFYGG119+vSsmK7JvMoIkwoOqG5F2eFgnXDk/1I5FS5QsEufoHtj/VXPfwYj4WeFVEZDFgumktmKVsOHn2MLaqe1XzsJDUZvt7LE2hnuhkym8Uo0R7dXrWpu3eUKBuFtR94phtc7yE06sxGcJhdnWQZxMConeFF66F7fE6K+HiHUu79k/NcQoTFxSdVgL5+RI8Vf7yjGvtF7BdPU4JZkyO1D8FRQKBRmVFRcyVtnzFHfRWZAM12+ap5935OzfxNxFL3Yzb9lIR7IrO X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Nov 2026 22:34:26.4799 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 708c0d08-d56e-4edc-3027-08df4043f15b 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: BN7PEPF000000A0.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS4PR12MB9562 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 Reviewed-by: Alexandre Courbot Signed-off-by: Simon Song --- rust/kernel/pci.rs | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/rust/kernel/pci.rs b/rust/kernel/pci.rs index 4d32b55779fd..9e31b9bb4d0d 100644 --- a/rust/kernel/pci.rs +++ b/rust/kernel/pci.rs @@ -362,6 +362,13 @@ fn as_raw(&self) -> *mut bindings::pci_dev { } 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 } + } + /// Returns the PCI vendor ID as [`Vendor`]. /// /// # Examples -- 2.43.7