kernel/Documentation/networking/devlink/ixgbe.rst, branch linux-rolling-stable

ixgbe: devlink: add devlink region support for E610

2025-04-29T22:13:44Z

Provide support for the following devlink cmds: -DEVLINK_CMD_REGION_GET -DEVLINK_CMD_REGION_NEW -DEVLINK_CMD_REGION_DEL -DEVLINK_CMD_REGION_READ ixgbe devlink region implementation, similarly to the ice one, lets user to create snapshots of content of Non Volatile Memory, content of Shadow RAM, and capabilities of the device. For both NVM and SRAM regions provide .read() handler to let user read their contents without the need to create full snapshots. Reviewed-by: Przemek Kitszel Signed-off-by: Slawomir Mrozowicz Co-developed-by: Jedrzej Jagielski Signed-off-by: Jedrzej Jagielski Tested-by: Bharath R Signed-off-by: Tony Nguyen

ixgbe: add support for devlink reload

2025-04-15T14:36:33Z

The E610 adapters contain an embedded chip with firmware which can be updated using devlink flash. The firmware which runs on this chip is referred to as the Embedded Management Processor firmware (EMP firmware). Activating the new firmware image currently requires that the system be rebooted. This is not ideal as rebooting the system can cause unwanted downtime. The EMP firmware itself can be reloaded by issuing a special update to the device called an Embedded Management Processor reset (EMP reset). This reset causes the device to reset and reload the EMP firmware. Implement support for devlink reload with the "fw_activate" flag. This allows user space to request the firmware be activated immediately. Reviewed-by: Mateusz Polchlopek Tested-by: Bharath R Co-developed-by: Slawomir Mrozowicz Signed-off-by: Slawomir Mrozowicz Co-developed-by: Piotr Kwapulinski Signed-off-by: Piotr Kwapulinski Co-developed-by: Stefan Wegrzyn Signed-off-by: Stefan Wegrzyn Signed-off-by: Jedrzej Jagielski Signed-off-by: Tony Nguyen

ixgbe: add device flash update via devlink

2025-04-15T14:36:32Z

Use the pldmfw library to implement device flash update for the Intel ixgbe networking device driver specifically for E610 devices. This support uses the devlink flash update interface. Using the pldmfw library, the provided firmware file will be scanned for the three major components, "fw.undi" for the Option ROM, "fw.mgmt" for the main NVM module containing the primary device firmware, and "fw.netlist" containing the netlist module. The flash is separated into two banks, the active bank containing the running firmware, and the inactive bank which we use for update. Each module is updated in a staged process. First, the inactive bank is erased, preparing the device for update. Second, the contents of the component are copied to the inactive portion of the flash. After all components are updated, the driver signals the device to switch the active bank during the next EMP reset. With this implementation, basic flash update for the E610 hardware is supported. Reviewed-by: Jacob Keller Tested-by: Bharath R Co-developed-by: Slawomir Mrozowicz Signed-off-by: Slawomir Mrozowicz Co-developed-by: Piotr Kwapulinski Signed-off-by: Piotr Kwapulinski Co-developed-by: Stefan Wegrzyn Signed-off-by: Stefan Wegrzyn Signed-off-by: Jedrzej Jagielski Signed-off-by: Tony Nguyen

ixgbe: add .info_get extension specific for E610 devices

2025-04-15T14:36:32Z

E610 devices give possibility to show more detailed info than the previous boards. Extend reporting NVM info with following pieces: fw.mgmt.api -> version number of the API fw.mgmt.build -> identifier of the source for the FW fw.mgmt.srev -> number defining FW's security revision fw.psid.api -> version defining the format of the flash contents fw.undi.srev -> number defining OROM's security revision fw.netlist -> version of the netlist module fw.netlist.build -> first 4 bytes of the netlist hash Co-developed-by: Slawomir Mrozowicz Signed-off-by: Slawomir Mrozowicz Co-developed-by: Piotr Kwapulinski Signed-off-by: Piotr Kwapulinski Signed-off-by: Jedrzej Jagielski Signed-off-by: Tony Nguyen

ixgbe: add handler for devlink .info_get()

2025-04-15T14:36:32Z

Provide devlink .info_get() callback implementation to allow the driver to report detailed version information. The following info is reported: "serial_number" -> The PCI DSN of the adapter "fw.bundle_id" -> Unique identifier for the combined flash image "fw.undi" -> Version of the Option ROM containing the UEFI driver "board.id" -> The PBA ID string Reviewed-by: Mateusz Polchlopek Tested-by: Bharath R Signed-off-by: Jedrzej Jagielski Signed-off-by: Tony Nguyen

ixgbe: add initial devlink support

2025-04-15T14:36:32Z

Add an initial support for devlink interface to ixgbe driver. Similarly to i40e driver the implementation doesn't enable devlink to manage device-wide configuration. Devlink instance is created for each physical function of PCIe device. Create separate directory for devlink related ixgbe files and use naming scheme similar to the one used in the ice driver. Add a stub for Documentation, to be extended by further patches. Change struct ixgbe_adapter allocation to be done by devlink (Przemek), as suggested by Jiri. Reviewed-by: Mateusz Polchlopek Co-developed-by: Przemek Kitszel Signed-off-by: Przemek Kitszel Tested-by: Bharath R Signed-off-by: Jedrzej Jagielski Signed-off-by: Tony Nguyen