On Tue, Mar 03, 2026 at 04:15:20PM -0500, Peter Colberg wrote: > Add Rust abstractions for the Single Root I/O Virtualization (SR-IOV) > capability of a PCI device. Provide a minimal set of wrappers for the > SR-IOV C API to enable and disable SR-IOV for a device, and query if > a PCI device is a Physical Function (PF) or Virtual Function (VF).
<...> > For PF drivers written in C, disabling SR-IOV on remove() may be opted > into by setting the flag managed_sriov in the pci_driver structure. For > PF drivers written in Rust, disabling SR-IOV on unbind() is mandatory. Why? Could you explain the rationale behind this difference between C and Rust? Let me remind you that SR‑IOV devices which do not disable VFs do so for a practical and well‑established reason: maximizing hardware utilization. Thanks
