On 2026-06-09 04:28 PM, Rubin Du wrote: > Add a new VFIO PCI driver for NVIDIA GPUs that enables DMA testing > via the Falcon (Fast Logic Controller) microcontrollers. This driver > extracts and adapts the DMA test functionality from NVIDIA's > gpu-admin-tools project and integrates it into the existing VFIO > selftest framework. > > Falcons are general-purpose microcontrollers present on NVIDIA GPUs > that can perform DMA operations between system memory and device > memory. By leveraging Falcon DMA, this driver allows NVIDIA GPUs to > be tested alongside Intel IOAT and DSA devices using the same > selftest infrastructure. > > The driver is named 'nv_falcon' to reflect that it specifically > controls the Falcon microcontrollers for DMA operations, rather > than exposing general GPU functionality. > > Reference implementation: > https://github.com/NVIDIA/gpu-admin-tools > > Signed-off-by: Alex Williamson <[email protected]> > Signed-off-by: Rubin Du <[email protected]>
Acked-by: David Matlack <[email protected]>

