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Diffstat (limited to 'Documentation/ABI/testing/sysfs-devices-platform-soc-ipa')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-devices-platform-soc-ipa | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-platform-soc-ipa b/Documentation/ABI/testing/sysfs-devices-platform-soc-ipa new file mode 100644 index 000000000000..364b1ba41242 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-devices-platform-soc-ipa @@ -0,0 +1,114 @@ +What: /sys/devices/platform/soc@X/XXXXXXX.ipa/ +Date: June 2021 +KernelVersion: v5.14 +Contact: Alex Elder <elder@kernel.org> +Description: + The /sys/devices/platform/soc@X/XXXXXXX.ipa/ directory + contains read-only attributes exposing information about + an IPA device. The X values could vary, but are typically + "soc@0/1e40000.ipa". + +What: .../XXXXXXX.ipa/version +Date: June 2021 +KernelVersion: v5.14 +Contact: Alex Elder <elder@kernel.org> +Description: + The .../XXXXXXX.ipa/version file contains the IPA hardware + version, as a period-separated set of two or three integers + (e.g., "3.5.1" or "4.2"). + +What: .../XXXXXXX.ipa/feature/ +Date: June 2021 +KernelVersion: v5.14 +Contact: Alex Elder <elder@kernel.org> +Description: + The .../XXXXXXX.ipa/feature/ directory contains a set of + attributes describing features implemented by the IPA + hardware. + +What: .../XXXXXXX.ipa/feature/rx_offload +Date: June 2021 +KernelVersion: v5.14 +Contact: Alex Elder <elder@kernel.org> +Description: + The .../XXXXXXX.ipa/feature/rx_offload file contains a + string indicating the type of receive checksum offload + that is supported by the hardware. The possible values + are "MAPv4" or "MAPv5". + +What: .../XXXXXXX.ipa/feature/tx_offload +Date: June 2021 +KernelVersion: v5.14 +Contact: Alex Elder <elder@kernel.org> +Description: + The .../XXXXXXX.ipa/feature/tx_offload file contains a + string indicating the type of transmit checksum offload + that is supported by the hardware. The possible values + are "MAPv4" or "MAPv5". + +What: .../XXXXXXX.ipa/endpoint_id/ +Date: July 2022 +KernelVersion: v5.19 +Contact: Alex Elder <elder@kernel.org> +Description: + The .../XXXXXXX.ipa/endpoint_id/ directory contains + attributes that define IDs associated with IPA + endpoints. The "rx" or "tx" in an endpoint name is + from the perspective of the AP. An endpoint ID is a + small unsigned integer. + +What: .../XXXXXXX.ipa/endpoint_id/modem_rx +Date: July 2022 +KernelVersion: v5.19 +Contact: Alex Elder <elder@kernel.org> +Description: + The .../XXXXXXX.ipa/endpoint_id/modem_rx file contains + the ID of the AP endpoint on which packets originating + from the embedded modem are received. + +What: .../XXXXXXX.ipa/endpoint_id/modem_tx +Date: July 2022 +KernelVersion: v5.19 +Contact: Alex Elder <elder@kernel.org> +Description: + The .../XXXXXXX.ipa/endpoint_id/modem_tx file contains + the ID of the AP endpoint on which packets destined + for the embedded modem are sent. + +What: .../XXXXXXX.ipa/endpoint_id/monitor_rx +Date: July 2022 +KernelVersion: v5.19 +Contact: Alex Elder <elder@kernel.org> +Description: + The .../XXXXXXX.ipa/endpoint_id/monitor_rx file contains + the ID of the AP endpoint on which IPA "monitor" data is + received. The monitor endpoint supplies replicas of + packets that enter the IPA hardware for processing. + Each replicated packet is preceded by a fixed-size "ODL" + header (see .../XXXXXXX.ipa/feature/monitor, above). + Large packets are truncated, to reduce the bandwidth + required to provide the monitor function. + +What: .../XXXXXXX.ipa/modem/ +Date: June 2021 +KernelVersion: v5.14 +Contact: Alex Elder <elder@kernel.org> +Description: + The .../XXXXXXX.ipa/modem/ directory contains attributes + describing properties of the modem embedded in the SoC. + +What: .../XXXXXXX.ipa/modem/rx_endpoint_id +Date: June 2021 +KernelVersion: v5.14 +Contact: Alex Elder <elder@kernel.org> +Description: + The .../XXXXXXX.ipa/modem/rx_endpoint_id file duplicates + the value found in .../XXXXXXX.ipa/endpoint_id/modem_rx. + +What: .../XXXXXXX.ipa/modem/tx_endpoint_id +Date: June 2021 +KernelVersion: v5.14 +Contact: Alex Elder <elder@kernel.org> +Description: + The .../XXXXXXX.ipa/modem/tx_endpoint_id file duplicates + the value found in .../XXXXXXX.ipa/endpoint_id/modem_tx. |