[PATCH v3 1/1] bus/pci: introduce get_iova_mode for pci dev

[Stephen Hemminger]

On Sun, 27 Apr 2025 02:27:34 +0000
Kyo Liu <kyo.liu at nebula-matrix.com> wrote:

> I propose this patch for DPDK to enable coexistence between
> DPDK and kernel drivers for regular NICs.This solution requires
> adding a new pci_ops in rte_pci_driver, through which DPDK will
> retrieve the required IOVA mode from the vendor driver.
> This mechanism is necessary to handle different IOMMU
> configurations and operating modes. Below is a detailed
> analysis of various scenarios:

The words "vendor driver" have me worried.
Is this a PMD that is being incorporated into DPDK or some out
of tree driver. If it is out of tree, such changes will be summarily rejected.
We don't accept changes that are unused in tree.