On Wed, Apr 05, 2017 at 02:22:20PM +0530, Kishon Vijay Abraham I wrote: > Hi Bjorn, > > Please find the pull request for PCI endpoint support below. I've > also included all the history here.
Thanks, I applied these (with v7 of the first patch) to pci/host-designware for v4.12. > Changes from v5: > *) remove #syscon-cells property added in v5 and used > of_parse_phandle_with_fixed_args > *) fix compilation error in make.cross ARCH=blackfin that was because > pci_endpoint_test.c driver depends on COMPILE_TEST. > > Changes from v4: > *) add #syscon-cells property and used of_parse_phandle_with_args > to perform a configuration in syscon module (as suggested by > Rob Herring) > *) Remove unnecessary white space. > > Changes from v3: > *) fixed a typo and adapted to https://lkml.org/lkml/2017/3/13/562. > > Changes from v2: > *) changed the configfs structure as suggested by Christoph Hellwig. With > this change the framework creates configfs entry for EP function driver > and EP controller. Previously these entries have to be created by the > the user. (Haven't changed the epc core or epf core except for invoking > configfs APIs to create entries for EP function driver and EP controller. > That's mostly because the EP function device can still be created by > directly invoking the epf core API without using configfs). > *) Now the user has to use configfs entry 'start' to start the link. > This was previously done by the function driver. However in the case of > multi function EP, the function driver shouldn't start the link. > > Changes from v1: > *) The preparation patches for adding EP support is removed and is sent > separately > *) Added device ID for DRA74x/DRA72x and used it instead of > using "PCI_ANY_ID" > *) Added userguide for PCI endpoint test function > > Major Improvements from RFC: > *) support multi-function devices (hw supported not virtual) > *) Access host side buffers > *) Raise MSI interrupts > *) Add user space program to use the host side PCI driver > *) Adapt all other users of designware to use the new design (only > compile tested. Since I have only dra7xx boards, the new design > has only been tested in dra7xx. I'd require the help of others > to test the platforms they have access to). > > This is based on > git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git > pci/host-designware > > Thanks > Kishon > > The following changes since commit 7ea64dcf602c21b3e5062ca90111ca4459fab403: > > __end__ (2017-04-04 15:29:37 -0500) > > are available in the git repository at: > > git://git.kernel.org/pub/scm/linux/kernel/git/kishon/pci-endpoint.git > tags/pci-endpoint-for-4.12 > > for you to fetch changes up to a5c85ba45c9682456077d7277196e91f8ea5fd5c: > > ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to > SW_WKUP (2017-04-05 14:05:28 +0530) > > ---------------------------------------------------------------- > pci: endpoint: for 4.12 > > *) Add PCI endpoint core layer > *) Modify designware and dra7xx driver to be configured in EP mode > *) Add a PCI endpoint *test* function driver and corresponding host > driver > > Signed-off-by: Kishon Vijay Abraham I <kis...@ti.com> > > ---------------------------------------------------------------- > Kishon Vijay Abraham I (23): > PCI: endpoint: Add EP core layer to enable EP controller and EP > functions > Documentation: PCI: Guide to use PCI Endpoint Core Layer > PCI: endpoint: Introduce configfs entry for configuring EP functions > Documentation: PCI: Guide to use PCI endpoint configfs > PCI: endpoint: Create configfs entry for EPC device and EPF driver > Documentation: PCI: Add specification for the *PCI test* function device > PCI: endpoint: functions: Add an EP function to test PCI > Documentation: PCI: Add binding documentation for pci-test endpoint > function > PCI: dwc: designware: Add EP mode support > dt-bindings: PCI: Add DT bindings for PCI designware EP mode > PCI: dwc: dra7xx: Facilitate wrapper and MSI interrupts to be enabled > independently > PCI: dwc: dra7xx: Add EP mode support > dt-bindings: PCI: dra7xx: Add DT bindings for PCI dra7xx EP mode > PCI: dwc: dra7xx: Workaround for errata id i870 > dt-bindings: PCI: dra7xx: Add DT bindings to enable unaligned access > PCI: Add device IDs for DRA74x and DRA72x > misc: Add host side PCI driver for PCI test function device > Documentation: misc-devices: Add Documentation for pci-endpoint-test > driver > tools: PCI: Add a userspace tool to test PCI endpoint > tools: PCI: Add sample test script to invoke pcitest > Documentation: PCI: Add userguide for PCI endpoint test function > MAINTAINERS: Add PCI Endpoint maintainer > ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to > SW_WKUP > > Documentation/PCI/00-INDEX | 10 +++ > Documentation/PCI/endpoint/function/binding/pci-test.txt | 17 +++++ > Documentation/PCI/endpoint/pci-endpoint-cfs.txt | 105 > ++++++++++++++++++++++++++ > Documentation/PCI/endpoint/pci-endpoint.txt | 215 > ++++++++++++++++++++++++++++++++++++++++++++++++++++ > Documentation/PCI/endpoint/pci-test-function.txt | 66 > ++++++++++++++++ > Documentation/PCI/endpoint/pci-test-howto.txt | 179 > +++++++++++++++++++++++++++++++++++++++++++ > Documentation/devicetree/bindings/pci/designware-pcie.txt | 26 +++++-- > Documentation/devicetree/bindings/pci/ti-pci.txt | 42 +++++++++-- > Documentation/misc-devices/pci-endpoint-test.txt | 35 +++++++++ > MAINTAINERS | 9 +++ > arch/arm/mach-omap2/clockdomains7xx_data.c | 2 +- > drivers/Makefile | 2 + > drivers/misc/Kconfig | 7 ++ > drivers/misc/Makefile | 1 + > drivers/misc/pci_endpoint_test.c | 534 > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > drivers/pci/Kconfig | 1 + > drivers/pci/dwc/Kconfig | 36 ++++++++- > drivers/pci/dwc/Makefile | 5 +- > drivers/pci/dwc/pci-dra7xx.c | 270 > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++----- > drivers/pci/dwc/pcie-designware-ep.c | 342 > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > drivers/pci/dwc/pcie-designware.c | 125 > ++++++++++++++++++++++++++++++ > drivers/pci/dwc/pcie-designware.h | 112 > +++++++++++++++++++++++++++ > drivers/pci/endpoint/Kconfig | 31 ++++++++ > drivers/pci/endpoint/Makefile | 7 ++ > drivers/pci/endpoint/functions/Kconfig | 12 +++ > drivers/pci/endpoint/functions/Makefile | 5 ++ > drivers/pci/endpoint/functions/pci-epf-test.c | 510 > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > drivers/pci/endpoint/pci-ep-cfs.c | 509 > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > drivers/pci/endpoint/pci-epc-core.c | 579 > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > drivers/pci/endpoint/pci-epc-mem.c | 143 > +++++++++++++++++++++++++++++++++++ > drivers/pci/endpoint/pci-epf-core.c | 351 > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > include/linux/mod_devicetable.h | 10 +++ > include/linux/pci-ep-cfs.h | 41 ++++++++++ > include/linux/pci-epc.h | 144 > +++++++++++++++++++++++++++++++++++ > include/linux/pci-epf.h | 162 > +++++++++++++++++++++++++++++++++++++++ > include/linux/pci_ids.h | 2 + > include/uapi/linux/Kbuild | 1 + > include/uapi/linux/pcitest.h | 19 +++++ > tools/pci/pcitest.c | 186 > +++++++++++++++++++++++++++++++++++++++++++++ > tools/pci/pcitest.sh | 56 > ++++++++++++++ > 40 files changed, 4869 insertions(+), 40 deletions(-) > create mode 100644 Documentation/PCI/endpoint/function/binding/pci-test.txt > create mode 100644 Documentation/PCI/endpoint/pci-endpoint-cfs.txt > create mode 100644 Documentation/PCI/endpoint/pci-endpoint.txt > create mode 100644 Documentation/PCI/endpoint/pci-test-function.txt > create mode 100644 Documentation/PCI/endpoint/pci-test-howto.txt > create mode 100644 Documentation/misc-devices/pci-endpoint-test.txt > create mode 100644 drivers/misc/pci_endpoint_test.c > create mode 100644 drivers/pci/dwc/pcie-designware-ep.c > create mode 100644 drivers/pci/endpoint/Kconfig > create mode 100644 drivers/pci/endpoint/Makefile > create mode 100644 drivers/pci/endpoint/functions/Kconfig > create mode 100644 drivers/pci/endpoint/functions/Makefile > create mode 100644 drivers/pci/endpoint/functions/pci-epf-test.c > create mode 100644 drivers/pci/endpoint/pci-ep-cfs.c > create mode 100644 drivers/pci/endpoint/pci-epc-core.c > create mode 100644 drivers/pci/endpoint/pci-epc-mem.c > create mode 100644 drivers/pci/endpoint/pci-epf-core.c > create mode 100644 include/linux/pci-ep-cfs.h > create mode 100644 include/linux/pci-epc.h > create mode 100644 include/linux/pci-epf.h > create mode 100644 include/uapi/linux/pcitest.h > create mode 100644 tools/pci/pcitest.c > create mode 100644 tools/pci/pcitest.sh > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-ker...@lists.infradead.org > 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