On 02/04/2019 20:15, Jean-Philippe Brucker wrote: > Since v1 [1], I improved the wording of patch 1/2 as suggested by Bjorn. > > Add an "external-facing" property to PCI ports in device-tree, to help > identify untrusted devices. The notion of untrusted PCI devices was > added to the v5.0 kernel to describe devices that should have strict > IOMMU protection [2], for example devices that are plugged in a > Thunderbolt port. ACPI systems use the ExternalFacingPort property [3]. > Add an equivalent mechanism to device tree. > > [1] https://lore.kernel.org/linux-pci/20190318182124.53859-1-jean-philippe.brucker@xxxxxxx/ > [2] https://lkml.org/lkml/2018/11/26/631 > [3] https://docs.microsoft.com/en-us/windows-hardware/drivers/pci/dsd-for-pcie-root-ports#identifying-externally-exposed-pcie-root-ports For both: Reviewed-by: Grant Likely <grant.likely@xxxxxxx> > > Jean-Philippe Brucker (2): > dt-bindings: Add external-facing PCIe port property > PCI: OF: Support external-facing property > > Documentation/devicetree/bindings/pci/pci.txt | 50 +++++++++++++++++++ > drivers/pci/of.c | 3 ++ > 2 files changed, 53 insertions(+) >
