Hi All, On 17/05/21 1:17 pm, Kishon Vijay Abraham I wrote: > Patch series > *) Adds support to add virtual functions to enable endpoint controller > which supports SR-IOV capability > *) Add support in Cadence endpoint driver to configure virtual functions > *) Enable pci_endpoint_test driver to create pci_device for virtual > functions > > v1 of the patch series can be found at [1] > v2 of the patch series can be found at [2] > v3 of the patch series can be found at [3] > v4 of the patch series can be found at [4] > v5 of the patch series can be found at [5] > > Here both physical functions and virtual functions use the same > pci_endpoint_test driver and existing pcitest utility can be used > to test virtual functions as well. I request to help test this series in your platform either with SR-IOV capability or without SR-IOV capability to make sure there are no regressions. Thanks in advance for the help! Best Regards Kishon > > Changes from v5: > *) Rebased to 5.13-rc1 > > Changes from v4: > *) Added a fix in Cadence driver which was overwriting BAR configuration > of physical function. > *) Didn't include Tom's Acked-by since Cadence driver is modified in > this revision. > > Changes from v3: > *) Fixed Rob's comment and added his Reviewed-by as suggested by him. > > Changes from v2: > *) Fixed DT binding documentation comment by Rob > *) Fixed the error check in pci-epc-core.c > > Changes from v1: > *) Re-based and Re-worked to latest kernel 5.10.0-rc2+ (now has generic > binding for EP) > > [1] -> http://lore.kernel.org/r/20191231113534.30405-1-kishon@xxxxxx > [2] -> http://lore.kernel.org/r/20201112175358.2653-1-kishon@xxxxxx > [3] -> https://lore.kernel.org/r/20210305050410.9201-1-kishon@xxxxxx > [4] -> http://lore.kernel.org/r/20210310160943.7606-1-kishon@xxxxxx > [5] -> https://lore.kernel.org/r/20210419083401.31628-1-kishon@xxxxxx > > Kishon Vijay Abraham I (7): > dt-bindings: PCI: pci-ep: Add binding to specify virtual function > PCI: endpoint: Add support to add virtual function in endpoint core > PCI: endpoint: Add support to link a physical function to a virtual > function > PCI: endpoint: Add virtual function number in pci_epc ops > PCI: cadence: Add support to configure virtual functions > misc: pci_endpoint_test: Populate sriov_configure ops to configure > SR-IOV device > Documentation: PCI: endpoint/pci-endpoint-cfs: Guide to use SR-IOV > > .../PCI/endpoint/pci-endpoint-cfs.rst | 12 +- > .../devicetree/bindings/pci/pci-ep.yaml | 7 + > drivers/misc/pci_endpoint_test.c | 1 + > .../pci/controller/cadence/pcie-cadence-ep.c | 285 ++++++++++++++---- > drivers/pci/controller/cadence/pcie-cadence.h | 7 + > .../pci/controller/dwc/pcie-designware-ep.c | 36 +-- > drivers/pci/controller/pcie-rcar-ep.c | 19 +- > drivers/pci/controller/pcie-rockchip-ep.c | 18 +- > drivers/pci/endpoint/functions/pci-epf-ntb.c | 79 +++-- > drivers/pci/endpoint/functions/pci-epf-test.c | 66 ++-- > drivers/pci/endpoint/pci-ep-cfs.c | 24 ++ > drivers/pci/endpoint/pci-epc-core.c | 130 +++++--- > drivers/pci/endpoint/pci-epf-core.c | 144 ++++++++- > include/linux/pci-epc.h | 57 ++-- > include/linux/pci-epf.h | 16 +- > 15 files changed, 684 insertions(+), 217 deletions(-) >