On Fri, Jan 29, 2021 at 11:32:36AM +0300, Mika Westerberg wrote: > Hi all, > > The just released ACPI 6.4 spec [1] adds a new _OSC method that is used to > negotiate OS support for native USB4 features such as PCIe tunneling. This > patch series adds Linux support for the new _OSC and modifies the > Thunderbolt/USB4 driver accordingly to enable/disable tunneling of > different protocols. > > There is an additional setting in the firmware connection manager that > allows the BIOS to disable PCIe tunneling, so we add support for this and > also make the software connection manager to switch to this "nopcie" > security level when the _OSC does not allow PCIe tunneling. > > This applies on top of thunderbolt.git/next. > > [1] https://uefi.org/sites/default/files/resources/ACPI_Spec_6_4_Jan22.pdf > > The previous version of the patch series can be found here: > > https://lore.kernel.org/linux-usb/20210126155723.9388-1-mika.westerberg@xxxxxxxxxxxxxxx/ > > Changes from v1: > > * Dropped patch 1/6. I already applied it to thunderbolt.git/fixes > * Added ACK from Yehezkel to TBT patches > * Updated changelog of patch 1/5 and fixed typos too > * Added Rafael's tag to patch 4/5. > > Mario Limonciello (1): > ACPI: Execute platform _OSC also with query bit clear > > Mika Westerberg (4): > thunderbolt: Add support for PCIe tunneling disabled (SL5) > thunderbolt: Allow disabling XDomain protocol > ACPI: Add support for native USB4 control _OSC > thunderbolt: Add support for native USB4 _OSC All applied to thunderbolt.git/next.
