Re: [RFC PATCH 0/4] PCI: Add DOE support for endpoint

[Manivannan Sadhasivam]

On Fri, Feb 13, 2026 at 06:05:59PM +0530, Aksh Garg wrote:
> This patch series introduces the framework for supporting the Data
> Object Exchange (DOE) feature for PCIe endpoint devices. Please refer
> to the documentation added in patch 1 for details on the feature and
> implementation architecture.
> 
> The implementation provides a common framework for all PCIe endpoint
> controllers, not specific to any particular SoC vendor.
> 
> Posting this as an RFC patch series to get feedback on the design and
> implementation.
> 

Just left some comments inline. In the next non-RFC version, please post the
EPC and handler changes as well.

It is OK if you can post them separately so that we can merge the common bits
first.

- Mani

> Aksh Garg (4):
>   PCI: Add documentation for DOE endpoint support
>   PCI/DOE: Move common definitions to the header file
>   PCI/DOE: Add DOE mailbox support for endpoint functions
>   PCI: Document APIs for endpoint DOE implementation
> 
>  Documentation/PCI/index.rst      |   1 +
>  Documentation/PCI/pci-doe-ep.rst | 297 ++++++++++++++
>  drivers/pci/Kconfig              |  14 +
>  drivers/pci/Makefile             |   1 +
>  drivers/pci/doe-ep.c             | 671 +++++++++++++++++++++++++++++++
>  drivers/pci/doe.c                |  11 -
>  include/linux/pci-doe.h          | 107 ++++-
>  include/linux/pci-epc.h          |   4 +
>  8 files changed, 1090 insertions(+), 16 deletions(-)
>  create mode 100644 Documentation/PCI/pci-doe-ep.rst
>  create mode 100644 drivers/pci/doe-ep.c
> 
> -- 
> 2.34.1
> 
> 

-- 
மணிவண்ணன் சதாசிவம்