On Tue, May 14, 2019 at 03:18:13PM -0700, sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx wrote: > From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx> > > As per PCI Firmware Specification, r3.2 ECN > (https://members.pcisig.com/wg/PCI-SIG/document/12614), OS can use > bit 7 of _OSC Control Field to negotiate control over Downstream Port > Containment (DPC) configuration of PCIe port. I think this citation should reference the "Downstream Port Containment Related Enhancements ECN", i.e., it should include the title of the ECN. I first thought you were citing the PCI Firmware Spec, r3.2, but of course it's not in there. Bjorn
