NAME¶

cxl-update-firmware - update the firmware on a CXL memdev

SYNOPSIS¶

cxl update-firmware <mem0> [<mem1>..<memN>] [<options>]

DESCRIPTION¶

Update the firmware on one or more CXL mem devices. The mem devices must support the set of firmware related mailbox commands.

This command doesn’t directly issue the transfer / activate firmware mailbox commands. Instead, the kernel’s firmware loader facility is used to provide the kernel with the data, and the kernel handles performing the actual update while also managing time slicing the transfer w.r.t. other background commands.

EXAMPLE¶

# cxl update-firmware mem0 -F firmware.bin -w
[


  {


    "memdev":"mem0",


    "pmem_size":1073741824,


    "ram_size":1073741824,


    "serial":0,


    "numa_node":0,


    "host":"cxl_mem.0",


    "firmware":{


      "num_slots":3,


      "active_slot":2,


      "online_activate_capable":false,


      "slot_1_version":"cxl_test_fw_001",


      "slot_2_version":"cxl_test_fw_002",


      "slot_3_version":"cxl_test_new_fw",


      "fw_update_in_progress":false


    }


  }
]
firmware update completed on 1 mem device

OPTIONS¶

-b, --bus=

-F, --firmware-file

-c, --cancel

-w, --wait

If --wait is passed in without an accompanying firmware-file,
it will initiate a wait on any current in-progress firmware
updates, and then return.

-v, --verbose

COPYRIGHT¶

Copyright © 2016 - 2022, Intel Corporation. License GPLv2: GNU GPL version 2 <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

SEE ALSO¶

cxl-list(1),