On Fri, May 31, 2024 at 04:38:36PM -0500, Wei Huang wrote: > When "No ST mode" is enabled, end-point devices can generate TPH headers > but with all steering tags treated as zero. A steering tag of zero is > interpreted as "using the default policy" by the root complex. This is > essential to quantify the benefit of steering tags for some given > workloads. > #ifdef CONFIG_PCIE_TPH > int pcie_tph_disable(struct pci_dev *dev); > +int tph_set_dev_nostmode(struct pci_dev *dev); Exported functions need a "pci" or "pcie_" prefix. We haven't been completely consistent on this; we have "pci_acs_*", which is obviously PCIe-specific, but we do also have pcie_find_root_port() etc.