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+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/modem/
+Date: June 2021
+KernelVersion: v5.14
+Contact: Alex Elder <elder@kernel.org>
+Description:
+ The .../XXXXXXX.ipa/modem/ directory contains a set of
+ attributes describing properties of the modem execution
+ environment reachable by the IPA hardware.
+
+What: .../XXXXXXX.ipa/modem/rx_endpoint_id
+Date: June 2021
+KernelVersion: v5.14
+Contact: Alex Elder <elder@kernel.org>
+Description:
+ The .../XXXXXXX.ipa/feature/rx_endpoint_id file contains
+ the AP endpoint ID that receives packets originating from
+ the modem execution environment. The "rx" is from the
+ perspective of the AP; this endpoint is considered an "IPA
+ producer". An endpoint ID is a small unsigned integer.
+
+What: .../XXXXXXX.ipa/modem/tx_endpoint_id
+Date: June 2021
+KernelVersion: v5.14
+Contact: Alex Elder <elder@kernel.org>
+Description:
+ The .../XXXXXXX.ipa/feature/tx_endpoint_id file contains
+ the AP endpoint ID used to transmit packets destined for
+ the modem execution environment. The "tx" is from the
+ perspective of the AP; this endpoint is considered an "IPA
+ consumer". An endpoint ID is a small unsigned integer.