[PATCH v5 0/7] Add SR-IOV support in PCIe Endpoint Core

From: Kishon Vijay Abraham I <kishon@ti.com>
To: Kishon Vijay Abraham I <kishon@ti.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Rob Herring <robh+dt@kernel.org>,
	Tom Joseph <tjoseph@cadence.com>,
	Jingoo Han <jingoohan1@gmail.com>,
	Gustavo Pimentel <gustavo.pimentel@synopsys.com>,
	Marek Vasut <marek.vasut+renesas@gmail.com>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
	Shawn Lin <shawn.lin@rock-chips.com>,
	Heiko Stuebner <heiko@sntech.de>
Cc: Jonathan Corbet <corbet@lwn.net>, Arnd Bergmann <arnd@arndb.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	<linux-pci@vger.kernel.org>, <linux-doc@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<linux-renesas-soc@vger.kernel.org>,
	<linux-rockchip@lists.infradead.org>,
	<linux-arm-kernel@lists.infradead.org>,
	Lokesh Vutla <lokeshvutla@ti.com>
Subject: [PATCH v5 0/7] Add SR-IOV support in PCIe Endpoint Core
Date: Mon, 19 Apr 2021 14:03:54 +0530	[thread overview]
Message-ID: <20210419083401.31628-1-kishon@ti.com> (raw)

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]

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.

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@ti.com
[2] -> http://lore.kernel.org/r/20201112175358.2653-1-kishon@ti.com
[3] -> https://lore.kernel.org/r/20210305050410.9201-1-kishon@ti.com
[4] -> http://lore.kernel.org/r/20210310160943.7606-1-kishon@ti.com

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(-)

-- 
2.17.1