linux-kernel - [PATCH 00/14] Introduce AMD Pensando RDMA driver

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Message-ID: <20250423102913.438027-1-abhijit.gangurde@amd.com>
Date: Wed, 23 Apr 2025 15:58:59 +0530
From: Abhijit Gangurde <abhijit.gangurde@....com>
To: <shannon.nelson@....com>, <brett.creeley@....com>, <davem@...emloft.net>,
	<edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
	<corbet@....net>, <jgg@...pe.ca>, <leon@...nel.org>, <andrew+netdev@...n.ch>
CC: <allen.hubbe@....com>, <nikhil.agarwal@....com>,
	<linux-rdma@...r.kernel.org>, <netdev@...r.kernel.org>,
	<linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Abhijit Gangurde
	<abhijit.gangurde@....com>
Subject: [PATCH 00/14] Introduce AMD Pensando RDMA driver

This patchset introduces an RDMA driver for the AMD Pensando adapter. 
An AMD Pensando Ethernet device with RDMA capabilities extends its 
functionality through an auxiliary device.

The first 6 patches of the series modify the ionic Ethernet driver 
to support the RDMA driver. The ionic RDMA driver implementation is 
split into the remaining 8 patches.

Abhijit Gangurde (14):
  net: ionic: Rename neqs_per_lif to reflect rdma capability
  net: ionic: Create an auxiliary device for rdma driver
  net: ionic: Export the APIs from net driver to get RDMA capabilities
  net: ionic: Export the APIs from net driver to support device commands
  net: ionic: Provide doorbell and CMB region information
  net: ionic: Move header files to a common location
  RDMA: Add IONIC to rdma_driver_id definition
  RDMA/ionic: Register auxiliary module for ionic ethernet adapter
  RDMA/ionic: Create device queues to support admin operations
  RDMA/ionic: Register device ops for control path
  RDMA/ionic: Register device ops for datapath
  RDMA/ionic: Register device ops for miscellaneous functionality
  RDMA/ionic: Implement device stats ops
  RDMA/ionic: Add Makefile/Kconfig to kernel build environment

 .../ethernet/pensando/ionic_rdma.rst          |   43 +
 MAINTAINERS                                   |   11 +
 drivers/infiniband/Kconfig                    |    1 +
 drivers/infiniband/hw/Makefile                |    1 +
 drivers/infiniband/hw/ionic/Kconfig           |   17 +
 drivers/infiniband/hw/ionic/Makefile          |    7 +
 drivers/infiniband/hw/ionic/ionic_admin.c     | 1237 +++++++
 .../infiniband/hw/ionic/ionic_controlpath.c   | 2900 +++++++++++++++++
 drivers/infiniband/hw/ionic/ionic_datapath.c  | 1422 ++++++++
 drivers/infiniband/hw/ionic/ionic_fw.h        | 1031 ++++++
 drivers/infiniband/hw/ionic/ionic_hw_stats.c  |  484 +++
 drivers/infiniband/hw/ionic/ionic_ibdev.c     |  546 ++++
 drivers/infiniband/hw/ionic/ionic_ibdev.h     |  540 +++
 drivers/infiniband/hw/ionic/ionic_pgtbl.c     |  143 +
 drivers/infiniband/hw/ionic/ionic_queue.c     |   52 +
 drivers/infiniband/hw/ionic/ionic_queue.h     |  234 ++
 drivers/infiniband/hw/ionic/ionic_res.c       |   42 +
 drivers/infiniband/hw/ionic/ionic_res.h       |  182 ++
 drivers/net/ethernet/pensando/Kconfig         |    1 +
 drivers/net/ethernet/pensando/ionic/Makefile  |    2 +-
 drivers/net/ethernet/pensando/ionic/ionic.h   |   12 +-
 .../net/ethernet/pensando/ionic/ionic_api.c   |  214 ++
 .../net/ethernet/pensando/ionic/ionic_aux.c   |   95 +
 .../net/ethernet/pensando/ionic/ionic_aux.h   |   10 +
 .../net/ethernet/pensando/ionic/ionic_bus.h   |    1 +
 .../ethernet/pensando/ionic/ionic_bus_pci.c   |   13 +
 .../net/ethernet/pensando/ionic/ionic_dev.c   |  268 +-
 .../net/ethernet/pensando/ionic/ionic_dev.h   |   28 +-
 .../net/ethernet/pensando/ionic/ionic_lif.c   |   70 +-
 .../net/ethernet/pensando/ionic/ionic_lif.h   |   21 +-
 .../net/ethernet/pensando/ionic/ionic_main.c  |    2 +-
 include/linux/ionic/ionic_api.h               |  240 ++
 .../linux}/ionic/ionic_if.h                   |  115 +-
 .../linux}/ionic/ionic_regs.h                 |    0
 include/uapi/rdma/ib_user_ioctl_verbs.h       |    1 +
 include/uapi/rdma/ionic-abi.h                 |  115 +
 36 files changed, 10032 insertions(+), 69 deletions(-)
 create mode 100644 Documentation/networking/device_drivers/ethernet/pensando/ionic_rdma.rst
 create mode 100644 drivers/infiniband/hw/ionic/Kconfig
 create mode 100644 drivers/infiniband/hw/ionic/Makefile
 create mode 100644 drivers/infiniband/hw/ionic/ionic_admin.c
 create mode 100644 drivers/infiniband/hw/ionic/ionic_controlpath.c
 create mode 100644 drivers/infiniband/hw/ionic/ionic_datapath.c
 create mode 100644 drivers/infiniband/hw/ionic/ionic_fw.h
 create mode 100644 drivers/infiniband/hw/ionic/ionic_hw_stats.c
 create mode 100644 drivers/infiniband/hw/ionic/ionic_ibdev.c
 create mode 100644 drivers/infiniband/hw/ionic/ionic_ibdev.h
 create mode 100644 drivers/infiniband/hw/ionic/ionic_pgtbl.c
 create mode 100644 drivers/infiniband/hw/ionic/ionic_queue.c
 create mode 100644 drivers/infiniband/hw/ionic/ionic_queue.h
 create mode 100644 drivers/infiniband/hw/ionic/ionic_res.c
 create mode 100644 drivers/infiniband/hw/ionic/ionic_res.h
 create mode 100644 drivers/net/ethernet/pensando/ionic/ionic_api.c
 create mode 100644 drivers/net/ethernet/pensando/ionic/ionic_aux.c
 create mode 100644 drivers/net/ethernet/pensando/ionic/ionic_aux.h
 create mode 100644 include/linux/ionic/ionic_api.h
 rename {drivers/net/ethernet/pensando => include/linux}/ionic/ionic_if.h (96%)
 rename {drivers/net/ethernet/pensando => include/linux}/ionic/ionic_regs.h (100%)
 create mode 100644 include/uapi/rdma/ionic-abi.h

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2.34.1