Re: [PATCH iwl-next 14/14] ixd: add devlink support

From: Tony Nguyen
Date: Tue Apr 15 2025 - 14:55:11 EST




On 4/8/2025 5:48 AM, Larysa Zaremba wrote:
From: Amritha Nambiar <amritha.nambiar@xxxxxxxxx>

Enable initial support for the devlink interface with the ixd
driver. The ixd hardware is a single function PCIe device. So, the
PCIe adapter gets its own devlink instance to manage device-wide
resources or configuration.

$ devlink dev show
pci/0000:83:00.6

$ devlink dev info pci/0000:83:00.6
pci/0000:83:00.6:
driver ixd
serial_number 00-a0-c9-ff-ff-23-45-67
versions:
fixed:
device.type MEV
running:
cp 0.0
virtchnl 2.0

Signed-off-by: Amritha Nambiar <amritha.nambiar@xxxxxxxxx>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@xxxxxxxxxxxxxxx>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@xxxxxxxxx>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@xxxxxxxxx>
Signed-off-by: Larysa Zaremba <larysa.zaremba@xxxxxxxxx>
---
Documentation/networking/devlink/ixd.rst | 35 +++++++
drivers/net/ethernet/intel/ixd/Kconfig | 1 +
drivers/net/ethernet/intel/ixd/Makefile | 1 +
drivers/net/ethernet/intel/ixd/ixd_devlink.c | 105 +++++++++++++++++++
drivers/net/ethernet/intel/ixd/ixd_devlink.h | 44 ++++++++
drivers/net/ethernet/intel/ixd/ixd_main.c | 13 ++-
6 files changed, 196 insertions(+), 3 deletions(-)
create mode 100644 Documentation/networking/devlink/ixd.rst
create mode 100644 drivers/net/ethernet/intel/ixd/ixd_devlink.c
create mode 100644 drivers/net/ethernet/intel/ixd/ixd_devlink.h

diff --git a/Documentation/networking/devlink/ixd.rst b/Documentation/networking/devlink/ixd.rst
new file mode 100644
index 000000000000..81b28ffb00f6
--- /dev/null
+++ b/Documentation/networking/devlink/ixd.rst

The index needs to be updated as well:

Documentation/networking/devlink/ixd.rst: WARNING: document isn't included in any toctree

Thanks,
Tony

@@ -0,0 +1,35 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===================
+ixd devlink support
+===================
+
+This document describes the devlink features implemented by the ``ixd``
+device driver.
+
+Info versions