From d4255d75856fc14faaa2760b687bc998af1cd8e9 Mon Sep 17 00:00:00 2001
From: Jacob Keller <jacob.e.keller@intel.com>
Date: Thu, 9 Jan 2020 14:46:17 -0800
Subject: [PATCH] devlink: document info versions for each driver

Add the set of info versions reported by each device driver, including
a description of what the version represents, and what modes (fixed,
running, stored) it reports.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Tariq Toukan <tariqt@mellanox.com>
Cc: Saeed Mahameed <saeedm@mellanox.com>
Cc: Leon Romanovsky <leonro@mellanox.com>
Cc: Michael Chan <michael.chan@broadcom.com>
Cc: Jiri Pirko <jiri@mellanox.com>
Cc: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 Documentation/networking/devlink/mlx5.rst  | 18 +++++++++
 Documentation/networking/devlink/mlxsw.rst | 21 ++++++++++
 Documentation/networking/devlink/nfp.rst   | 45 ++++++++++++++++++++++
 3 files changed, 84 insertions(+)

diff --git a/Documentation/networking/devlink/mlx5.rst b/Documentation/networking/devlink/mlx5.rst
index cf2e19665e5c..629a6e69c036 100644
--- a/Documentation/networking/devlink/mlx5.rst
+++ b/Documentation/networking/devlink/mlx5.rst
@@ -39,3 +39,21 @@ parameters.
          firmware intervention.
 
 The ``mlx5`` driver supports reloading via ``DEVLINK_CMD_RELOAD``
+
+Info versions
+=============
+
+The ``mlx5`` driver reports the following versions
+
+.. list-table:: devlink info versions implemented
+   :widths: 5 5 90
+
+   * - Name
+     - Type
+     - Description
+   * - ``fw.psid``
+     - fixed
+     - Used to represent the board id of the device.
+   * - ``fw.version``
+     - stored, running
+     - Three digit major.minor.subminor firmware version number.
diff --git a/Documentation/networking/devlink/mlxsw.rst b/Documentation/networking/devlink/mlxsw.rst
index dfb245f0c17d..ccba9769c651 100644
--- a/Documentation/networking/devlink/mlxsw.rst
+++ b/Documentation/networking/devlink/mlxsw.rst
@@ -36,3 +36,24 @@ parameters.
        immediately after the value is set.
 
 The ``mlxsw`` driver supports reloading via ``DEVLINK_CMD_RELOAD``
+
+Info versions
+=============
+
+The ``mlx5`` driver reports the following versions
+
+.. list-table:: devlink info versions implemented
+   :widths: 5 5 90
+
+   * - Name
+     - Type
+     - Description
+   * - ``hw.revision``
+     - fixed
+     - The hardware revision for this board
+   * - ``fw.psid``
+     - fixed
+     - Firmware PSID
+   * - ``fw.version``
+     - running
+     - Three digit firmware version
diff --git a/Documentation/networking/devlink/nfp.rst b/Documentation/networking/devlink/nfp.rst
index bbb3c6b2280c..a1717db0dfcc 100644
--- a/Documentation/networking/devlink/nfp.rst
+++ b/Documentation/networking/devlink/nfp.rst
@@ -18,3 +18,48 @@ Parameters
      - permanent
    * - ``reset_dev_on_drv_probe``
      - permanent
+
+Info versions
+=============
+
+The ``nfp`` driver reports the following versions
+
+.. list-table:: devlink info versions implemented
+   :widths: 5 5 90
+
+   * - Name
+     - Type
+     - Description
+   * - ``board.id``
+     - fixed
+     - Part number identifying the board design
+   * - ``board.rev``
+     - fixed
+     - Revision of the board design
+   * - ``board.manufacture``
+     - fixed
+     - Vendor of the board design
+   * - ``board.model``
+     - fixed
+     - Model name of the board design
+   * - ``fw.bundle_id``
+     - stored, running
+     - Firmware bundle id
+   * - ``fw.mgmt``
+     - stored, running
+     - Version of the management firmware
+   * - ``fw.cpld``
+     - stored, running
+     - The CPLD firmware component version
+   * - ``fw.app``
+     - stored, running
+     - The APP firmware component version
+   * - ``fw.undi``
+     - stored, running
+     - The UNDI firmware component version
+   * - ``fw.ncsi``
+     - stored, running
+     - The NSCI firmware component version
+   * - ``chip.init``
+     - stored, running
+     - The CFGR firmware component version