Documentation/ABI/testing/sysfs-devices-platform-soc-ipa

   1 What:           /sys/devices/platform/soc@X/XXXXXXX.ipa/
   2 Date:           June 2021
   3 KernelVersion:  v5.14
   4 Contact:        Alex Elder <elder@kernel.org>
   5 Description:
   6                 The /sys/devices/platform/soc@X/XXXXXXX.ipa/ directory
   7                 contains read-only attributes exposing information about
   8                 an IPA device.  The X values could vary, but are typically
   9                 "soc@0/1e40000.ipa".
  10
  11 What:           .../XXXXXXX.ipa/version
  12 Date:           June 2021
  13 KernelVersion:  v5.14
  14 Contact:        Alex Elder <elder@kernel.org>
  15 Description:
  16                 The .../XXXXXXX.ipa/version file contains the IPA hardware
  17                 version, as a period-separated set of two or three integers
  18                 (e.g., "3.5.1" or "4.2").
  19
  20 What:           .../XXXXXXX.ipa/feature/
  21 Date:           June 2021
  22 KernelVersion:  v5.14
  23 Contact:        Alex Elder <elder@kernel.org>
  24 Description:
  25                 The .../XXXXXXX.ipa/feature/ directory contains a set of
  26                 attributes describing features implemented by the IPA
  27                 hardware.
  28
  29 What:           .../XXXXXXX.ipa/feature/rx_offload
  30 Date:           June 2021
  31 KernelVersion:  v5.14
  32 Contact:        Alex Elder <elder@kernel.org>
  33 Description:
  34                 The .../XXXXXXX.ipa/feature/rx_offload file contains a
  35                 string indicating the type of receive checksum offload
  36                 that is supported by the hardware.  The possible values
  37                 are "MAPv4" or "MAPv5".
  38
  39 What:           .../XXXXXXX.ipa/feature/tx_offload
  40 Date:           June 2021
  41 KernelVersion:  v5.14
  42 Contact:        Alex Elder <elder@kernel.org>
  43 Description:
  44                 The .../XXXXXXX.ipa/feature/tx_offload file contains a
  45                 string indicating the type of transmit checksum offload
  46                 that is supported by the hardware.  The possible values
  47                 are "MAPv4" or "MAPv5".
  48
  49 What:           .../XXXXXXX.ipa/modem/
  50 Date:           June 2021
  51 KernelVersion:  v5.14
  52 Contact:        Alex Elder <elder@kernel.org>
  53 Description:
  54                 The .../XXXXXXX.ipa/modem/ directory contains a set of
  55                 attributes describing properties of the modem execution
  56                 environment reachable by the IPA hardware.
  57
  58 What:           .../XXXXXXX.ipa/modem/rx_endpoint_id
  59 Date:           June 2021
  60 KernelVersion:  v5.14
  61 Contact:        Alex Elder <elder@kernel.org>
  62 Description:
  63                 The .../XXXXXXX.ipa/feature/rx_endpoint_id file contains
  64                 the AP endpoint ID that receives packets originating from
  65                 the modem execution environment.  The "rx" is from the
  66                 perspective of the AP; this endpoint is considered an "IPA
  67                 producer".  An endpoint ID is a small unsigned integer.
  68
  69 What:           .../XXXXXXX.ipa/modem/tx_endpoint_id
  70 Date:           June 2021
  71 KernelVersion:  v5.14
  72 Contact:        Alex Elder <elder@kernel.org>
  73 Description:
  74                 The .../XXXXXXX.ipa/feature/tx_endpoint_id file contains
  75                 the AP endpoint ID used to transmit packets destined for
  76                 the modem execution environment.  The "tx" is from the
  77                 perspective of the AP; this endpoint is considered an "IPA
  78                 consumer".  An endpoint ID is a small unsigned integer.