On 05/31/2018 10:54 AM, Sinan Kaya wrote: > On 5/31/2018 11:46 AM, Alex G. wrote: >>> https://lkml.org/lkml/2018/3/30/553 >> Oh, pcie_get_speed_cap()/pcie_get_width_cap() seems to handle the >> capability. Not seeing one for status and speed name. >> >>> are you working on linux-next? >> v4.17-rc7 >> > > I think everything you need is in the series. I don't know which linux > tree this landed or if it landed. Probably, it is shipping for 4.18. > Need some help from Bjorn where to locate these. > > Fri, 30 Mar 2018 16:04:40 -0500 > > Bjorn Helgaas (6): > bnx2x: Report PCIe link properties with pcie_print_link_status() > bnxt_en: Report PCIe link properties with pcie_print_link_status() > cxgb4: Report PCIe link properties with pcie_print_link_status() > fm10k: Report PCIe link properties with pcie_print_link_status() > ixgbe: Report PCIe link properties with pcie_print_link_status() > PCI: Remove unused pcie_get_minimum_link() I remember seeing some of these in my tree. > Tal Gilboa (8): > PCI: Add pcie_get_speed_cap() to find max supported link speed > PCI: Add pcie_get_width_cap() to find max supported link width > PCI: Add pcie_bandwidth_capable() to compute max supported link bandwidth > PCI: Add pcie_bandwidth_available() to compute bandwidth available to device I definitely have these. > PCI: Add pcie_print_link_status() to log link speed and whether it's limited This one, I have, but it's not what I need. This looks at the available bandwidth from root port to endpoint, whereas I'm only interested in downtraining between endpoint and upstream port. Alex