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Message-ID: <20250624121315.739049-15-abhijit.gangurde@amd.com>
Date: Tue, 24 Jun 2025 17:43:15 +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 v3 14/14] RDMA/ionic: Add Makefile/Kconfig to kernel build environment
Add ionic to the kernel build environment.
Co-developed-by: Allen Hubbe <allen.hubbe@....com>
Signed-off-by: Allen Hubbe <allen.hubbe@....com>
Signed-off-by: Abhijit Gangurde <abhijit.gangurde@....com>
---
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
+
+Support
+=======
+
+For general Linux rdma support, please use the rdma mailing
+list, which is monitored by AMD Pensando personnel::
+
+ linux-rdma@...r.kernel.org
diff --git a/MAINTAINERS b/MAINTAINERS
index 3f35ebff0b41..e0aee7c025b1 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 <abhijit.gangurde@....com>
+M: Allen Hubbe <allen.hubbe@....com>
+L: linux-rdma@...r.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 <Shyam-sundar.S-k@....com>
L: platform-driver-x86@...r.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
+ <https://www.amd.com/en/products/accelerators/pensando.html>.
+
+ 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
--
2.43.0
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