From: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
To: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Jon Mason <jdmason@kudzu.us>, Dave Jiang <dave.jiang@intel.com>,
Allen Hubbe <allenbh@gmail.com>, Rob Herring <robh@kernel.org>,
Bjorn Helgaas <bhelgaas@google.com>,
Jonathan Corbet <corbet@lwn.net>, Arnd Bergmann <arnd@arndb.de>,
Tom Joseph <tjoseph@cadence.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-pci@vger.kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-ntb@googlegroups.com
Subject: Re: [PATCH v7 00/18] Implement NTB Controller using multiple PCI EP
Date: Tue, 20 Oct 2020 14:18:43 +0100 [thread overview]
Message-ID: <20201020131843.GA25784@e121166-lin.cambridge.arm.com> (raw)
In-Reply-To: <72ebe7db-86cd-6827-03ff-bde32c10dc7e@ti.com>
On Tue, Oct 20, 2020 at 01:45:45PM +0530, Kishon Vijay Abraham I wrote:
> Hi,
>
> On 05/10/20 11:27 am, Kishon Vijay Abraham I wrote:
> > Hi Jon Mason, Allen Hubbe, Dave Jiang,
> >
> > On 30/09/20 9:05 pm, Kishon Vijay Abraham I wrote:
> >> This series is about implementing SW defined Non-Transparent Bridge (NTB)
> >> using multiple endpoint (EP) instances. This series has been tested using
> >> 2 endpoint instances in J7 connected to J7 board on one end and DRA7 board
> >> on the other end. However there is nothing platform specific for the NTB
> >> functionality.
> >
> > This series has two patches that adds to drivers/ntb/ directory.
> > [PATCH v7 15/18] NTB: Add support for EPF PCI-Express Non-Transparent
> > Bridge and [PATCH v7 16/18] NTB: tool: Enable the NTB/PCIe link on the
> > local or remote side of bridge.
> >
> > If you can review and Ack the above patches, Lorenzo can queue it along
> > with the rest of the series.
> >
> > Thanks for your help in advance.
>
> Gentle ping on this series.
I am not queueing any more patches for this merge window - we postpone
this series to v5.11 and in the interim it would be good to define some
possible users.
Thanks,
Lorenzo
> Thanks
> Kishon
> >
> > Best Regards,
> > Kishon
> >
> >>
> >> This was presented in Linux Plumbers Conference. Link to presentation
> >> and video can be found @ [1]
> >>
> >> RFC patch series can be found @ [2]
> >> v1 patch series can be found @ [3]
> >> v2 patch series can be found @ [4]
> >> v3 patch series can be found @ [5]
> >> v4 patch series can be found @ [6]
> >> v5 patch series can be found @ [7]
> >> v6 patch series can be found @ [8]
> >>
> >> Changes from v6:
> >> 1) Fixed issues when multiple NTB devices are creating using multiple
> >> functions
> >> 2) Fixed issue with writing scratchpad register
> >> 3) Created a video demo @ [9]
> >>
> >> Changes from v5:
> >> 1) Fixed a formatting issue in Kconfig pointed out by Randy
> >> 2) Checked for Error or Null in pci_epc_add_epf()
> >>
> >> Changes from v4:
> >> 1) Fixed error condition checks in pci_epc_add_epf()
> >>
> >> Changes from v3:
> >> 1) Fixed Documentation edits suggested by Randy Dunlap <rdunlap@infradead.org>
> >>
> >> Changes from v2:
> >> 1) Add support for the user to create sub-directory of 'EPF Device'
> >> directory (for endpoint function specific configuration using
> >> configfs).
> >> 2) Add documentation for NTB specific attributes in configfs
> >> 3) Check for PCI_CLASS_MEMORY_RAM (PCIe class) before binding ntb_hw_epf
> >> driver
> >> 4) Other documentation fixes
> >>
> >> Changes from v1:
> >> 1) As per Rob's comment, removed support for creating NTB function
> >> device from DT
> >> 2) Add support to create NTB EPF device using configfs (added support in
> >> configfs to associate primary and secondary EPC with EPF.
> >>
> >> Changes from RFC:
> >> 1) Converted the DT binding patches to YAML schema and merged the
> >> DT binding patches together
> >> 2) NTB documentation is converted to .rst
> >> 3) One HOST can now interrupt the other HOST using MSI-X interrupts
> >> 4) Added support for teardown of memory window and doorbell
> >> configuration
> >> 5) Add support to provide support 64-bit memory window size from
> >> DT
> >>
> >> [1] -> https://linuxplumbersconf.org/event/4/contributions/395/
> >> [2] -> http://lore.kernel.org/r/20190926112933.8922-1-kishon@ti.com
> >> [3] -> http://lore.kernel.org/r/20200514145927.17555-1-kishon@ti.com
> >> [4] -> http://lore.kernel.org/r/20200611130525.22746-1-kishon@ti.com
> >> [5] -> http://lore.kernel.org/r/20200904075052.8911-1-kishon@ti.com
> >> [6] -> http://lore.kernel.org/r/20200915042110.3015-1-kishon@ti.com
> >> [7] -> http://lore.kernel.org/r/20200918064227.1463-1-kishon@ti.com
> >> [8] -> http://lore.kernel.org/r/20200924092519.17082-1-kishon@ti.com
> >> [9] -> https://youtu.be/dLKKxrg5-rY
> >>
> >> Kishon Vijay Abraham I (18):
> >> Documentation: PCI: Add specification for the *PCI NTB* function
> >> device
> >> PCI: endpoint: Make *_get_first_free_bar() take into account 64 bit
> >> BAR
> >> PCI: endpoint: Add helper API to get the 'next' unreserved BAR
> >> PCI: endpoint: Make *_free_bar() to return error codes on failure
> >> PCI: endpoint: Remove unused pci_epf_match_device()
> >> PCI: endpoint: Add support to associate secondary EPC with EPF
> >> PCI: endpoint: Add support in configfs to associate two EPCs with EPF
> >> PCI: endpoint: Add pci_epc_ops to map MSI irq
> >> PCI: endpoint: Add pci_epf_ops for epf drivers to expose function
> >> specific attrs
> >> PCI: endpoint: Allow user to create sub-directory of 'EPF Device'
> >> directory
> >> PCI: cadence: Implement ->msi_map_irq() ops
> >> PCI: cadence: Configure LM_EP_FUNC_CFG based on epc->function_num_map
> >> PCI: endpoint: Add EP function driver to provide NTB functionality
> >> PCI: Add TI J721E device to pci ids
> >> NTB: Add support for EPF PCI-Express Non-Transparent Bridge
> >> NTB: tool: Enable the NTB/PCIe link on the local or remote side of
> >> bridge
> >> Documentation: PCI: Add configfs binding documentation for pci-ntb
> >> endpoint function
> >> Documentation: PCI: Add userguide for PCI endpoint NTB function
> >>
> >> .../PCI/endpoint/function/binding/pci-ntb.rst | 38 +
> >> Documentation/PCI/endpoint/index.rst | 3 +
> >> .../PCI/endpoint/pci-endpoint-cfs.rst | 10 +
> >> .../PCI/endpoint/pci-ntb-function.rst | 351 +++
> >> Documentation/PCI/endpoint/pci-ntb-howto.rst | 160 ++
> >> drivers/misc/pci_endpoint_test.c | 1 -
> >> drivers/ntb/hw/Kconfig | 1 +
> >> drivers/ntb/hw/Makefile | 1 +
> >> drivers/ntb/hw/epf/Kconfig | 6 +
> >> drivers/ntb/hw/epf/Makefile | 1 +
> >> drivers/ntb/hw/epf/ntb_hw_epf.c | 755 ++++++
> >> drivers/ntb/test/ntb_tool.c | 1 +
> >> .../pci/controller/cadence/pcie-cadence-ep.c | 60 +-
> >> drivers/pci/endpoint/functions/Kconfig | 12 +
> >> drivers/pci/endpoint/functions/Makefile | 1 +
> >> drivers/pci/endpoint/functions/pci-epf-ntb.c | 2114 +++++++++++++++++
> >> drivers/pci/endpoint/functions/pci-epf-test.c | 13 +-
> >> drivers/pci/endpoint/pci-ep-cfs.c | 176 +-
> >> drivers/pci/endpoint/pci-epc-core.c | 130 +-
> >> drivers/pci/endpoint/pci-epf-core.c | 105 +-
> >> include/linux/pci-epc.h | 39 +-
> >> include/linux/pci-epf.h | 28 +-
> >> include/linux/pci_ids.h | 1 +
> >> 23 files changed, 3934 insertions(+), 73 deletions(-)
> >> create mode 100644 Documentation/PCI/endpoint/function/binding/pci-ntb.rst
> >> create mode 100644 Documentation/PCI/endpoint/pci-ntb-function.rst
> >> create mode 100644 Documentation/PCI/endpoint/pci-ntb-howto.rst
> >> create mode 100644 drivers/ntb/hw/epf/Kconfig
> >> create mode 100644 drivers/ntb/hw/epf/Makefile
> >> create mode 100644 drivers/ntb/hw/epf/ntb_hw_epf.c
> >> create mode 100644 drivers/pci/endpoint/functions/pci-epf-ntb.c
> >>
next prev parent reply other threads:[~2020-10-20 13:18 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-30 15:35 [PATCH v7 00/18] Implement NTB Controller using multiple PCI EP Kishon Vijay Abraham I
2020-09-30 15:35 ` [PATCH v7 01/18] Documentation: PCI: Add specification for the *PCI NTB* function device Kishon Vijay Abraham I
2020-09-30 15:35 ` [PATCH v7 02/18] PCI: endpoint: Make *_get_first_free_bar() take into account 64 bit BAR Kishon Vijay Abraham I
2020-09-30 15:35 ` [PATCH v7 03/18] PCI: endpoint: Add helper API to get the 'next' unreserved BAR Kishon Vijay Abraham I
2020-09-30 15:35 ` [PATCH v7 04/18] PCI: endpoint: Make *_free_bar() to return error codes on failure Kishon Vijay Abraham I
2020-09-30 15:35 ` [PATCH v7 05/18] PCI: endpoint: Remove unused pci_epf_match_device() Kishon Vijay Abraham I
2020-09-30 15:35 ` [PATCH v7 06/18] PCI: endpoint: Add support to associate secondary EPC with EPF Kishon Vijay Abraham I
2020-09-30 15:35 ` [PATCH v7 07/18] PCI: endpoint: Add support in configfs to associate two EPCs " Kishon Vijay Abraham I
2020-09-30 15:35 ` [PATCH v7 08/18] PCI: endpoint: Add pci_epc_ops to map MSI irq Kishon Vijay Abraham I
2020-09-30 15:35 ` [PATCH v7 09/18] PCI: endpoint: Add pci_epf_ops for epf drivers to expose function specific attrs Kishon Vijay Abraham I
2020-09-30 15:35 ` [PATCH v7 10/18] PCI: endpoint: Allow user to create sub-directory of 'EPF Device' directory Kishon Vijay Abraham I
2020-09-30 15:35 ` [PATCH v7 11/18] PCI: cadence: Implement ->msi_map_irq() ops Kishon Vijay Abraham I
2020-09-30 15:35 ` [PATCH v7 12/18] PCI: cadence: Configure LM_EP_FUNC_CFG based on epc->function_num_map Kishon Vijay Abraham I
2020-09-30 15:35 ` [PATCH v7 13/18] PCI: endpoint: Add EP function driver to provide NTB functionality Kishon Vijay Abraham I
2020-09-30 15:35 ` [PATCH v7 14/18] PCI: Add TI J721E device to pci ids Kishon Vijay Abraham I
2020-09-30 15:35 ` [PATCH v7 15/18] NTB: Add support for EPF PCI-Express Non-Transparent Bridge Kishon Vijay Abraham I
2020-11-09 9:37 ` Sherry Sun
2020-11-09 14:21 ` Kishon Vijay Abraham I
2020-11-10 2:25 ` Sherry Sun
2020-11-10 14:20 ` Kishon Vijay Abraham I
2020-11-10 14:59 ` Arnd Bergmann
2020-11-10 15:42 ` Kishon Vijay Abraham I
2020-11-11 2:49 ` Sherry Sun
2020-11-12 11:12 ` Kishon Vijay Abraham I
2020-11-12 12:35 ` Sherry Sun
2020-11-12 13:24 ` Arnd Bergmann
2020-11-16 5:19 ` Kishon Vijay Abraham I
2020-11-16 15:37 ` Arnd Bergmann
2020-11-16 15:45 ` Kishon Vijay Abraham I
2020-09-30 15:35 ` [PATCH v7 16/18] NTB: tool: Enable the NTB/PCIe link on the local or remote side of bridge Kishon Vijay Abraham I
2020-09-30 15:35 ` [PATCH v7 17/18] Documentation: PCI: Add configfs binding documentation for pci-ntb endpoint function Kishon Vijay Abraham I
2020-09-30 15:35 ` [PATCH v7 18/18] Documentation: PCI: Add userguide for PCI endpoint NTB function Kishon Vijay Abraham I
2020-10-05 5:57 ` [PATCH v7 00/18] Implement NTB Controller using multiple PCI EP Kishon Vijay Abraham I
2020-10-20 8:15 ` Kishon Vijay Abraham I
2020-10-20 13:18 ` Lorenzo Pieralisi [this message]
2020-11-03 7:58 ` Kishon Vijay Abraham I
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20201020131843.GA25784@e121166-lin.cambridge.arm.com \
--to=lorenzo.pieralisi@arm.com \
--cc=allenbh@gmail.com \
--cc=arnd@arndb.de \
--cc=bhelgaas@google.com \
--cc=corbet@lwn.net \
--cc=dave.jiang@intel.com \
--cc=gregkh@linuxfoundation.org \
--cc=jdmason@kudzu.us \
--cc=kishon@ti.com \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-ntb@googlegroups.com \
--cc=linux-pci@vger.kernel.org \
--cc=robh@kernel.org \
--cc=tjoseph@cadence.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).