From: Kishon Vijay Abraham I <kishon@ti.com>
To: Jon Mason <jdmason@kudzu.us>, Dave Jiang <dave.jiang@intel.com>,
Allen Hubbe <allenbh@gmail.com>, Rob Herring <robh@kernel.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
Jonathan Corbet <corbet@lwn.net>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
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 13:45:45 +0530 [thread overview]
Message-ID: <72ebe7db-86cd-6827-03ff-bde32c10dc7e@ti.com> (raw)
In-Reply-To: <fe2db298-2116-7f52-80bd-a3d01a9a1521@ti.com>
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.
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 8:16 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 [this message]
2020-10-20 13:18 ` Lorenzo Pieralisi
2020-11-03 7:58 ` Kishon Vijay Abraham I
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