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q=dns/txt; s=dk12062016; t=1753294419; x=1753899219; b=jnsO6VBBkNdZLB/t1bpISWlnOU/ LVjFlWvHzwuo6RH9EWc3AkvhAhHbykqf9cxMulgGygCsFTRRoj7e961oJHIvRFXRwldeOZc A9nav7otEHwNwV+AGaO26d9/Ol4gRPOztsen3v4MOMgKEMH4J7qhRbPlYJJ/a5AhYIbpWId oh/phJjBszMhxdHnA3/MsKF7KulF60fvogiKUO7yqS26bfj4xGWl8c6hj5L29zosONGOX1X WhCmFoU0tWPk8j1nscL3Mequ2WvHODaR3SXOW/KI4VDNa/S4fvDbcAc6+gyl5XGl4TrWB9v KgRe94c9ELmnsmK/AqigTQfEy3Ozqzg== Received: from [192.168.0.23] ([50.47.159.51]) by vsel2nmtao01p.internal.vadesecure.com with ngmta id 1f341533-1854f3fbedb751fd; Wed, 23 Jul 2025 18:13:39 +0000 Message-ID: <086f34bd-12d9-40a4-919d-9c36a4089e8b@onemain.com> Date: Wed, 23 Jul 2025 11:13:37 -0700 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 14/14] RDMA/ionic: Add Makefile/Kconfig to kernel build environment To: Abhijit Gangurde , shannon.nelson@amd.com, brett.creeley@amd.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, corbet@lwn.net, jgg@ziepe.ca, leon@kernel.org, andrew+netdev@lunn.ch Cc: allen.hubbe@amd.com, nikhil.agarwal@amd.com, linux-rdma@vger.kernel.org, netdev@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250723173149.2568776-1-abhijit.gangurde@amd.com> <20250723173149.2568776-15-abhijit.gangurde@amd.com> Content-Language: en-US From: Shannon Nelson In-Reply-To: <20250723173149.2568776-15-abhijit.gangurde@amd.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 7/23/25 10:31 AM, Abhijit Gangurde wrote: > Add ionic to the kernel build environment. > > Co-developed-by: Allen Hubbe > Signed-off-by: Allen Hubbe > Signed-off-by: Abhijit Gangurde > --- > v2->v3 > - Removed select of ethernet driver > - Fixed make htmldocs error > > .../device_drivers/ethernet/index.rst | 1 + > .../ethernet/pensando/ionic_rdma.rst | 43 +++++++++++++++++++ > MAINTAINERS | 9 ++++ > drivers/infiniband/Kconfig | 1 + > drivers/infiniband/hw/Makefile | 1 + > drivers/infiniband/hw/ionic/Kconfig | 15 +++++++ > drivers/infiniband/hw/ionic/Makefile | 9 ++++ > 7 files changed, 79 insertions(+) > 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 > > diff --git a/Documentation/networking/device_drivers/ethernet/index.rst b/Documentation/networking/device_drivers/ethernet/index.rst > index 139b4c75a191..4b16ecd289da 100644 > --- a/Documentation/networking/device_drivers/ethernet/index.rst > +++ b/Documentation/networking/device_drivers/ethernet/index.rst > @@ -50,6 +50,7 @@ Contents: > neterion/s2io > netronome/nfp > pensando/ionic > + pensando/ionic_rdma > smsc/smc9 > stmicro/stmmac > ti/cpsw > diff --git a/Documentation/networking/device_drivers/ethernet/pensando/ionic_rdma.rst b/Documentation/networking/device_drivers/ethernet/pensando/ionic_rdma.rst > new file mode 100644 > index 000000000000..80c4d9876d3e > --- /dev/null > +++ b/Documentation/networking/device_drivers/ethernet/pensando/ionic_rdma.rst > @@ -0,0 +1,43 @@ > +.. SPDX-License-Identifier: GPL-2.0+ > + > +============================================================ > +Linux Driver for the AMD Pensando(R) Ethernet adapter family > +============================================================ > + > +AMD Pensando RDMA driver. > +Copyright (C) 2018-2025, Advanced Micro Devices, Inc. > + > +Contents > +======== > + > +- Identifying the Adapter > +- Enabling the driver > +- Support > + > +Identifying the Adapter > +======================= > + > +See Documentation/networking/device_drivers/ethernet/pensando/ionic.rst > +for more information on identifying the adapter. > + > +Enabling the driver > +=================== > + > +The driver is enabled via the standard kernel configuration system, > +using the make command:: > + > + make oldconfig/menuconfig/etc. > + > +The driver is located in the menu structure at: > + > + -> Device Drivers > + -> InfiniBand support > + -> AMD Pensando DSC RDMA/RoCE Support Please add some verbage about this being an auxiliary_device dependent on the ionic driver, and that it can be disabled/enab led with a devlink command. sln > + > +Support > +======= > + > +For general Linux rdma support, please use the rdma mailing > +list, which is monitored by AMD Pensando personnel:: > + > + linux-rdma@vger.kernel.org > diff --git a/MAINTAINERS b/MAINTAINERS > index b4f3fa14ddca..f52409bde673 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -1165,6 +1165,15 @@ F: Documentation/networking/device_drivers/ethernet/amd/pds_core.rst > F: drivers/net/ethernet/amd/pds_core/ > F: include/linux/pds/ > > +AMD PENSANDO RDMA DRIVER > +M: Abhijit Gangurde > +M: Allen Hubbe > +L: linux-rdma@vger.kernel.org > +S: Maintained > +F: Documentation/networking/device_drivers/ethernet/pensando/ionic_rdma.rst > +F: drivers/infiniband/hw/ionic/ > +F: include/uapi/rdma/ionic-abi.h > + > AMD PMC DRIVER > M: Shyam Sundar S K > L: platform-driver-x86@vger.kernel.org > diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig > index 3a394cd772f6..f0323f1d6f01 100644 > --- a/drivers/infiniband/Kconfig > +++ b/drivers/infiniband/Kconfig > @@ -85,6 +85,7 @@ source "drivers/infiniband/hw/efa/Kconfig" > source "drivers/infiniband/hw/erdma/Kconfig" > source "drivers/infiniband/hw/hfi1/Kconfig" > source "drivers/infiniband/hw/hns/Kconfig" > +source "drivers/infiniband/hw/ionic/Kconfig" > source "drivers/infiniband/hw/irdma/Kconfig" > source "drivers/infiniband/hw/mana/Kconfig" > source "drivers/infiniband/hw/mlx4/Kconfig" > diff --git a/drivers/infiniband/hw/Makefile b/drivers/infiniband/hw/Makefile > index df61b2299ec0..b706dc0d0263 100644 > --- a/drivers/infiniband/hw/Makefile > +++ b/drivers/infiniband/hw/Makefile > @@ -14,3 +14,4 @@ obj-$(CONFIG_INFINIBAND_HNS_HIP08) += hns/ > obj-$(CONFIG_INFINIBAND_QEDR) += qedr/ > obj-$(CONFIG_INFINIBAND_BNXT_RE) += bnxt_re/ > obj-$(CONFIG_INFINIBAND_ERDMA) += erdma/ > +obj-$(CONFIG_INFINIBAND_IONIC) += ionic/ > diff --git a/drivers/infiniband/hw/ionic/Kconfig b/drivers/infiniband/hw/ionic/Kconfig > new file mode 100644 > index 000000000000..de6f10e9b6e9 > --- /dev/null > +++ b/drivers/infiniband/hw/ionic/Kconfig > @@ -0,0 +1,15 @@ > +# SPDX-License-Identifier: GPL-2.0 > +# Copyright (C) 2018-2025, Advanced Micro Devices, Inc. > + > +config INFINIBAND_IONIC > + tristate "AMD Pensando DSC RDMA/RoCE Support" > + depends on NETDEVICES && ETHERNET && PCI && INET && IONIC > + help > + This enables RDMA/RoCE support for the AMD Pensando family of > + Distributed Services Cards (DSCs). > + > + To learn more, visit our website at > + . > + > + To compile this driver as a module, choose M here. The module > + will be called ionic_rdma. > diff --git a/drivers/infiniband/hw/ionic/Makefile b/drivers/infiniband/hw/ionic/Makefile > new file mode 100644 > index 000000000000..957973742820 > --- /dev/null > +++ b/drivers/infiniband/hw/ionic/Makefile > @@ -0,0 +1,9 @@ > +# SPDX-License-Identifier: GPL-2.0 > + > +ccflags-y := -I $(srctree)/drivers/net/ethernet/pensando/ionic > + > +obj-$(CONFIG_INFINIBAND_IONIC) += ionic_rdma.o > + > +ionic_rdma-y := \ > + ionic_ibdev.o ionic_lif_cfg.o ionic_queue.o ionic_pgtbl.o ionic_admin.o \ > + ionic_controlpath.o ionic_datapath.o ionic_hw_stats.o