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

@@ -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.

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

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