Re: [PATCH v2 01/12] VT-d: correct ATS checking for root complex integrated devices

On Thu, Feb 15, 2024 at 11:13:24AM +0100, Jan Beulich wrote: > Spec version 4.1 says > > "The ATSR structures identifies PCI Express Root-Ports supporting > Address Translation Services (ATS) transactions. Software must enable > ATS on endpoint devices behind a Root Port only if the Root Port

[PATCH v2 01/12] VT-d: correct ATS checking for root complex integrated devices

Spec version 4.1 says "The ATSR structures identifies PCI Express Root-Ports supporting Address Translation Services (ATS) transactions. Software must enable ATS on endpoint devices behind a Root Port only if the Root Port is reported as supporting ATS transactions." Clearly root complex