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Message-ID: <1489046254-19919-1-git-send-email-kishon@ti.com>
Date: Thu, 9 Mar 2017 13:27:11 +0530
From: Kishon Vijay Abraham I <kishon@...com>
To: Bjorn Helgaas <bhelgaas@...gle.com>,
Joao Pinto <Joao.Pinto@...opsys.com>,
<linux-doc@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-omap@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>
CC: <hch@...radead.org>, <nsekhar@...com>, <kishon@...com>
Subject: [PATCH v3 00/23] PCI: Support for configurable PCI endpoint
This patch series
*) 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
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 series has been developed over 4.11-rc1 + [1]
This series has also been pushed to [2]
[1] -> https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1348667.html
[2] -> git://git.kernel.org/pub/scm/linux/kernel/git/kishon/pci-endpoint.git
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 EP maintainer
ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to
SW_WKUP
Documentation/PCI/00-INDEX | 10 +
.../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 ++++++
.../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 | 274 ++++++++-
drivers/pci/dwc/pcie-designware-ep.c | 340 ++++++++++++
drivers/pci/dwc/pcie-designware.c | 136 +++++
drivers/pci/dwc/pcie-designware.h | 82 +++
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, 4852 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
--
1.7.9.5
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