It is now possible to assign BARs while creating a vNTB endpoint function. Update the documentation accordingly. Suggested-by: Bjorn Helgaas <helgaas@xxxxxxxxxx> Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx> --- Documentation/PCI/endpoint/pci-vntb-howto.rst | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/Documentation/PCI/endpoint/pci-vntb-howto.rst b/Documentation/PCI/endpoint/pci-vntb-howto.rst index 70d3bc90893f3315a7dff394d57e45c8378e2a54..9a7a2f0a68498e8b4297f24261954558d45c43a9 100644 --- a/Documentation/PCI/endpoint/pci-vntb-howto.rst +++ b/Documentation/PCI/endpoint/pci-vntb-howto.rst @@ -90,8 +90,9 @@ of the function device and is populated with the following NTB specific attributes that can be configured by the user:: # ls functions/pci_epf_vntb/func1/pci_epf_vntb.0/ - db_count mw1 mw2 mw3 mw4 num_mws - spad_count + ctrl_bar db_count mw1_bar mw2_bar mw3_bar mw4_bar spad_count + db_bar mw1 mw2 mw3 mw4 num_mws vbus_number + vntb_vid vntb_pid A sample configuration for NTB function is given below:: @@ -100,6 +101,10 @@ A sample configuration for NTB function is given below:: # echo 1 > functions/pci_epf_vntb/func1/pci_epf_vntb.0/num_mws # echo 0x100000 > functions/pci_epf_vntb/func1/pci_epf_vntb.0/mw1 +By default, each construct is assigned a BAR, as needed and in order. +Should a specific BAR setup be required by the platform, BAR may be assigned +to each construct using the related ``XYZ_bar`` entry. + A sample configuration for virtual NTB driver for virtual PCI bus:: # echo 0x1957 > functions/pci_epf_vntb/func1/pci_epf_vntb.0/vntb_vid --- base-commit: e046b1731006b4c6c94bcb4ef1c6692a30014c43 change-id: 20250731-vntb-doc-cdeaabf61e84 Best regards, -- Jerome