| What: /sys/kernel/debug/scmi/<n>/instance_name | |
| Date: March 2023 | |
| KernelVersion: 6.3 | |
| Contact: cristian.marussi@arm.com | |
| Description: The name of the underlying SCMI instance <n> described by | |
| all the debugfs accessors rooted at /sys/kernel/debug/scmi/<n>, | |
| expressed as the full name of the top DT SCMI node under which | |
| this SCMI instance is rooted. | |
| Users: Debugging, any userspace test suite | |
| What: /sys/kernel/debug/scmi/<n>/atomic_threshold_us | |
| Date: March 2023 | |
| KernelVersion: 6.3 | |
| Contact: cristian.marussi@arm.com | |
| Description: An optional time value, expressed in microseconds, representing, | |
| on this SCMI instance <n>, the threshold above which any SCMI | |
| command, advertised to have an higher-than-threshold execution | |
| latency, should not be considered for atomic mode of operation, | |
| even if requested. | |
| Users: Debugging, any userspace test suite | |
| What: /sys/kernel/debug/scmi/<n>/transport/type | |
| Date: March 2023 | |
| KernelVersion: 6.3 | |
| Contact: cristian.marussi@arm.com | |
| Description: A string representing the type of transport configured for this | |
| SCMI instance <n>. | |
| Users: Debugging, any userspace test suite | |
| What: /sys/kernel/debug/scmi/<n>/transport/is_atomic | |
| Date: March 2023 | |
| KernelVersion: 6.3 | |
| Contact: cristian.marussi@arm.com | |
| Description: A boolean stating if the transport configured on the underlying | |
| SCMI instance <n> is capable of atomic mode of operation. | |
| Users: Debugging, any userspace test suite | |
| What: /sys/kernel/debug/scmi/<n>/transport/max_rx_timeout_ms | |
| Date: March 2023 | |
| KernelVersion: 6.3 | |
| Contact: cristian.marussi@arm.com | |
| Description: Timeout in milliseconds allowed for SCMI synchronous replies | |
| for the currently configured SCMI transport for instance <n>. | |
| Users: Debugging, any userspace test suite | |
| What: /sys/kernel/debug/scmi/<n>/transport/max_msg_size | |
| Date: March 2023 | |
| KernelVersion: 6.3 | |
| Contact: cristian.marussi@arm.com | |
| Description: Max message size of allowed SCMI messages for the currently | |
| configured SCMI transport for instance <n>. | |
| Users: Debugging, any userspace test suite | |
| What: /sys/kernel/debug/scmi/<n>/transport/tx_max_msg | |
| Date: March 2023 | |
| KernelVersion: 6.3 | |
| Contact: cristian.marussi@arm.com | |
| Description: Max number of concurrently allowed in-flight SCMI messages for | |
| the currently configured SCMI transport for instance <n> on the | |
| TX channels. | |
| Users: Debugging, any userspace test suite | |
| What: /sys/kernel/debug/scmi/<n>/transport/rx_max_msg | |
| Date: March 2023 | |
| KernelVersion: 6.3 | |
| Contact: cristian.marussi@arm.com | |
| Description: Max number of concurrently allowed in-flight SCMI messages for | |
| the currently configured SCMI transport for instance <n> on the | |
| RX channels. | |
| Users: Debugging, any userspace test suite |