[Intel-wired-lan] PCI ACS quirk for X710/XL710?
chris.friesen at windriver.com
Tue Dec 1 16:07:48 UTC 2015
The three of you in the "to" list were involved with adding commits d748804 and
100ebb2 to address the fact that these multi-port NICs will not do peer-to-peer
between functions, but do not report this via ACS.
We've got an X710 device (PCI device 0x1572, driver version 1.3.1-k, firmware
4.40) and we're seeing all the ports being assigned to the same IOMMU group.
I'm guessing that this is due to a lack of ACS, and that it would be valid to
add the X710/XL710 PCI IDs to the pci_dev_acs_enabled table. Could someone from
Intel confirm this?
Assuming such a quirk is needed, do we have a suitable list of device IDs?
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