netdev - [PATCH net-next 4/4] sfc: document devlink flash support

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Message-ID: <dc22910e30482cc4b4e35a9e45621c653ea000bf.1738881614.git.ecree.xilinx@gmail.com>
Date: Fri, 7 Feb 2025 00:06:04 +0000
From: <edward.cree@....com>
To: <linux-net-drivers@....com>, <davem@...emloft.net>, <kuba@...nel.org>,
	<edumazet@...gle.com>, <pabeni@...hat.com>, <horms@...nel.org>,
	<andrew+netdev@...n.ch>
CC: Edward Cree <ecree.xilinx@...il.com>, <habetsm.xilinx@...il.com>,
	<jiri@...nulli.us>, <netdev@...r.kernel.org>
Subject: [PATCH net-next 4/4] sfc: document devlink flash support

From: Edward Cree <ecree.xilinx@...il.com>

Update the information in sfc's devlink documentation including
 support for firmware update with devlink flash.

Signed-off-by: Edward Cree <ecree.xilinx@...il.com>
---
 Documentation/networking/devlink/sfc.rst | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/Documentation/networking/devlink/sfc.rst b/Documentation/networking/devlink/sfc.rst
index db64a1bd9733..0398d59ea184 100644
--- a/Documentation/networking/devlink/sfc.rst
+++ b/Documentation/networking/devlink/sfc.rst
@@ -5,7 +5,7 @@ sfc devlink support
 ===================
 
 This document describes the devlink features implemented by the ``sfc``
-device driver for the ef100 device.
+device driver for the ef10 and ef100 devices.
 
 Info versions
 =============
@@ -18,6 +18,10 @@ The ``sfc`` driver reports the following versions
    * - Name
      - Type
      - Description
+   * - ``fw.bundle_id``
+     - stored
+     - Version of the firmware "bundle" image that was last used to update
+       multiple components.
    * - ``fw.mgmt.suc``
      - running
      - For boards where the management function is split between multiple
@@ -55,3 +59,13 @@ The ``sfc`` driver reports the following versions
    * - ``fw.uefi``
      - running
      - UEFI driver version (No UNDI support).
+
+Flash Update
+============
+
+The ``sfc`` driver implements support for flash update using the
+``devlink-flash`` interface. It supports updating the device flash using a
+combined flash image ("bundle") that contains multiple components (on ef10,
+typically ``fw.mgmt``, ``fw.app``, ``fw.exprom`` and ``fw.uefi``).
+
+The driver does not support any overwrite mask flags.