[PATCH v3 0/4] PCI: Add DOE support for endpoint

Aksh Garg
2026-04-27T05:17:42Z

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 4 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.

This patch series is the non-RFC version of the RFC series at
https://lore.kernel.org/all/20260213123603.420941-1-a-garg7@ti.com/

The changes since v1 are documented in the respective patch description.

Changes from v2 to v3:
- Rebased on 7.1-rc1.

v2: https://lore.kernel.org/all/20260401073022.215805-1-a-garg7@ti.com/

Aksh Garg (4):
PCI/DOE: Move common definitions to the header file
PCI: endpoint: Add DOE mailbox support for endpoint functions
PCI: endpoint: Add API for DOE initialization and setup in EPC core
Documentation: PCI: Add documentation for DOE endpoint support

Documentation/PCI/endpoint/index.rst | 1 +
.../PCI/endpoint/pci-endpoint-doe.rst | 318 ++++++++++
drivers/pci/doe.c | 11 -
drivers/pci/endpoint/Kconfig | 14 +
drivers/pci/endpoint/Makefile | 1 +
drivers/pci/endpoint/pci-ep-doe.c | 552 ++++++++++++++++++
drivers/pci/endpoint/pci-epc-core.c | 71 +++
drivers/pci/pci.h | 47 ++
include/linux/pci-doe.h | 8 +
include/linux/pci-epc.h | 24 +
10 files changed, 1036 insertions(+), 11 deletions(-)
create mode 100644 Documentation/PCI/endpoint/pci-endpoint-doe.rst
create mode 100644 drivers/pci/endpoint/pci-ep-doe.c

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2.34.1