Documentation/ABI/testing/sysfs-class-ocxl

   1 What:           /sys/class/ocxl/<afu name>/afu_version
   2 Date:           January 2018
   3 Contact:        linuxppc-dev@lists.ozlabs.org
   4 Description:    read only
   5                 Version of the AFU, in the format <major>:<minor>
   6                 Reflects what is read in the configuration space of the AFU
   7
   8 What:           /sys/class/ocxl/<afu name>/contexts
   9 Date:           January 2018
  10 Contact:        linuxppc-dev@lists.ozlabs.org
  11 Description:    read only
  12                 Number of contexts for the AFU, in the format <n>/<max>
  13                 where:
  14
  15                         ====    ===============================================
  16                         n       number of currently active contexts, for debug
  17                         max     maximum number of contexts supported by the AFU
  18                         ====    ===============================================
  19
  20 What:           /sys/class/ocxl/<afu name>/pp_mmio_size
  21 Date:           January 2018
  22 Contact:        linuxppc-dev@lists.ozlabs.org
  23 Description:    read only
  24                 Size of the per-process mmio area, as defined in the
  25                 configuration space of the AFU
  26
  27 What:           /sys/class/ocxl/<afu name>/global_mmio_size
  28 Date:           January 2018
  29 Contact:        linuxppc-dev@lists.ozlabs.org
  30 Description:    read only
  31                 Size of the global mmio area, as defined in the
  32                 configuration space of the AFU
  33
  34 What:           /sys/class/ocxl/<afu name>/global_mmio_area
  35 Date:           January 2018
  36 Contact:        linuxppc-dev@lists.ozlabs.org
  37 Description:    read/write
  38                 Give access the global mmio area for the AFU
  39
  40 What:           /sys/class/ocxl/<afu name>/reload_on_reset
  41 Date:           February 2020
  42 Contact:        linuxppc-dev@lists.ozlabs.org
  43 Description:    read/write
  44                 Control whether the FPGA is reloaded on a link reset. Enabled
  45                 through a vendor-specific logic block on the FPGA.
  46
  47                         ===========  ===========================================
  48                         0            Do not reload FPGA image from flash
  49                         1            Reload FPGA image from flash
  50                         unavailable  The device does not support this capability
  51                         ===========  ===========================================