Re: [PATCH V2 0/4] NTB function for PCIe RC to EP connection

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On Thu, Mar 10, 2022 at 4:07 PM Zhi Li <lznuaa@xxxxxxxxx> wrote:
>
> On Thu, Mar 10, 2022 at 4:01 PM Zhi Li <lznuaa@xxxxxxxxx> wrote:
> >
> > On Tue, Feb 22, 2022 at 10:24 AM Frank Li <Frank.Li@xxxxxxx> 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
> > >
> >
>
> Update ntb mail list

Friendly ping!

Frank Li

>
> >
> > >  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
> > >




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