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From: Jon Mason <jdmason@kudzu.us>
To: Frank Li <Frank.Li@nxp.com>
Cc: helgaas@kernel.org, kishon@ti.com, lorenzo.pieralisi@arm.com,
	kw@linux.com, jingoohan1@gmail.com,
	gustavo.pimentel@synopsys.com, lznuaa@gmail.com,
	hongxing.zhu@nxp.com, dave.jiang@intel.com, allenbh@gmail.com,
	linux-ntb@googlegroups.com, linux-pci@vger.kernel.org
Subject: Re: [PATCH V2 0/4] NTB function for PCIe RC to EP connection
Date: Fri, 12 Aug 2022 10:02:49 -0400	[thread overview]
Message-ID: <YvZdiWoWb6njBvEA@kudzu.us> (raw)
In-Reply-To: <20220222162355.32369-1-Frank.Li@nxp.com>

On Tue, Feb 22, 2022 at 10:23:51AM -0600, Frank Li wrote:
> This implement NTB function for PCIe EP to RC connections.
> The existed ntb epf need two PCI EPs and two PCI Host.
> 
> This just need EP to RC connections.
> 
>     ┌────────────┐         ┌─────────────────────────────────────┐
>     │            │         │                                     │
>     ├────────────┤         │                      ┌──────────────┤
>     │ NTB        │         │                      │ NTB          │
>     │ NetDev     │         │                      │ NetDev       │
>     ├────────────┤         │                      ├──────────────┤
>     │ NTB        │         │                      │ NTB          │
>     │ Transfer   │         │                      │ Transfer     │
>     ├────────────┤         │                      ├──────────────┤
>     │            │         │                      │              │
>     │  PCI NTB   │         │                      │              │
>     │    EPF     │         │                      │              │
>     │   Driver   │         │                      │ PCI Virtual  │
>     │            │         ├───────────────┐      │ NTB Driver   │
>     │            │         │ PCI EP NTB    │◄────►│              │
>     │            │         │  FN Driver    │      │              │
>     ├────────────┤         ├───────────────┤      ├──────────────┤
>     │            │         │               │      │              │
>     │  PCI BUS   │ ◄─────► │  PCI EP BUS   │      │  Virtual PCI │
>     │            │  PCI    │               │      │     BUS      │
>     └────────────┘         └───────────────┴──────┴──────────────┘
>         PCI RC                        PCI EP
> 
> 
> 
> Frank Li (4):
>   PCI: designware-ep: Allow pci_epc_set_bar() update inbound map address
>   NTB: epf: Allow more flexibility in the memory BAR map method
>   PCI: endpoint: Support NTB transfer between RC and EP
>   Documentation: PCI: Add specification for the PCI vNTB function device
> 
>  Documentation/PCI/endpoint/index.rst          |    2 +
>  .../PCI/endpoint/pci-vntb-function.rst        |  126 ++
>  Documentation/PCI/endpoint/pci-vntb-howto.rst |  167 ++
>  drivers/ntb/hw/epf/ntb_hw_epf.c               |   48 +-
>  .../pci/controller/dwc/pcie-designware-ep.c   |   10 +-
>  drivers/pci/endpoint/functions/Kconfig        |   11 +
>  drivers/pci/endpoint/functions/Makefile       |    1 +
>  drivers/pci/endpoint/functions/pci-epf-vntb.c | 1424 +++++++++++++++++
>  8 files changed, 1775 insertions(+), 14 deletions(-)
>  create mode 100644 Documentation/PCI/endpoint/pci-vntb-function.rst
>  create mode 100644 Documentation/PCI/endpoint/pci-vntb-howto.rst
>  create mode 100644 drivers/pci/endpoint/functions/pci-epf-vntb.c
> 
> -- 
> 2.24.0.rc1
> 

Sorry for the extremely long delay in response.  This series has been
in my ntb-next branch for some time and will be in my pull request for
v5.20 which should be going out later today.

Thanks,
Jon

      parent reply	other threads:[~2022-08-12 14:03 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-22 16:23 [PATCH V2 0/4] NTB function for PCIe RC to EP connection Frank Li
2022-02-22 16:23 ` [PATCH v2 1/4] PCI: designware-ep: Allow pci_epc_set_bar() update inbound map address Frank Li
2023-12-14 14:31   ` Niklas Cassel
2023-12-14 15:19     ` Frank Li
2023-12-14 20:23       ` Niklas Cassel
2023-12-14 20:52         ` Frank Li
2023-12-14 21:28           ` Frank Li
2023-12-16 10:11             ` Niklas Cassel
2023-12-19 17:59               ` Manivannan Sadhasivam
2023-12-20  5:14                 ` Damien Le Moal
2023-12-20  6:03                   ` Manivannan Sadhasivam
2023-12-20  7:06                     ` Damien Le Moal
2023-12-14 21:39           ` Niklas Cassel
2022-02-22 16:23 ` [PATCH v2 2/4] NTB: epf: Allow more flexibility in the memory BAR map method Frank Li
2022-03-10 22:08   ` Zhi Li
2022-02-22 16:23 ` [PATCH v2 3/4] PCI: endpoint: Support NTB transfer between RC and EP Frank Li
2022-03-10 22:09   ` Zhi Li
2022-12-14  0:08   ` Bjorn Helgaas
     [not found]     ` <CAHrpEqSGySHDET3YPu3czzoMBmCRJsgGgU4s3GWWbtruFLVHaA@mail.gmail.com>
2022-12-14  0:28       ` Bjorn Helgaas
2022-12-14  0:47         ` [EXT] " Frank Li
2022-02-22 16:23 ` [PATCH v2 4/4] Documentation: PCI: Add specification for the PCI vNTB function device Frank Li
2022-03-10 22:01 ` [PATCH V2 0/4] NTB function for PCIe RC to EP connection Zhi Li
2022-03-10 22:07   ` Zhi Li
2022-04-04 20:12     ` Zhi Li
2022-04-05 10:34 ` Kishon Vijay Abraham I
2022-04-05 15:35   ` Zhi Li
2022-04-20 20:22     ` Zhi Li
2022-04-22 15:15       ` Kishon Vijay Abraham I
2022-04-22 15:36         ` Zhi Li
2022-08-12 14:02 ` Jon Mason [this message]

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