1What: /sys/kernel/debug/scmi/<n>/instance_name 2Date: March 2023 3KernelVersion: 6.3 4Contact: cristian.marussi@arm.com 5Description: The name of the underlying SCMI instance <n> described by 6 all the debugfs accessors rooted at /sys/kernel/debug/scmi/<n>, 7 expressed as the full name of the top DT SCMI node under which 8 this SCMI instance is rooted. 9Users: Debugging, any userspace test suite 10 11What: /sys/kernel/debug/scmi/<n>/atomic_threshold_us 12Date: March 2023 13KernelVersion: 6.3 14Contact: cristian.marussi@arm.com 15Description: An optional time value, expressed in microseconds, representing, 16 on this SCMI instance <n>, the threshold above which any SCMI 17 command, advertised to have an higher-than-threshold execution 18 latency, should not be considered for atomic mode of operation, 19 even if requested. 20Users: Debugging, any userspace test suite 21 22What: /sys/kernel/debug/scmi/<n>/transport/type 23Date: March 2023 24KernelVersion: 6.3 25Contact: cristian.marussi@arm.com 26Description: A string representing the type of transport configured for this 27 SCMI instance <n>. 28Users: Debugging, any userspace test suite 29 30What: /sys/kernel/debug/scmi/<n>/transport/is_atomic 31Date: March 2023 32KernelVersion: 6.3 33Contact: cristian.marussi@arm.com 34Description: A boolean stating if the transport configured on the underlying 35 SCMI instance <n> is capable of atomic mode of operation. 36Users: Debugging, any userspace test suite 37 38What: /sys/kernel/debug/scmi/<n>/transport/max_rx_timeout_ms 39Date: March 2023 40KernelVersion: 6.3 41Contact: cristian.marussi@arm.com 42Description: Timeout in milliseconds allowed for SCMI synchronous replies 43 for the currently configured SCMI transport for instance <n>. 44Users: Debugging, any userspace test suite 45 46What: /sys/kernel/debug/scmi/<n>/transport/max_msg_size 47Date: March 2023 48KernelVersion: 6.3 49Contact: cristian.marussi@arm.com 50Description: Max message size of allowed SCMI messages for the currently 51 configured SCMI transport for instance <n>. 52Users: Debugging, any userspace test suite 53 54What: /sys/kernel/debug/scmi/<n>/transport/tx_max_msg 55Date: March 2023 56KernelVersion: 6.3 57Contact: cristian.marussi@arm.com 58Description: Max number of concurrently allowed in-flight SCMI messages for 59 the currently configured SCMI transport for instance <n> on the 60 TX channels. 61Users: Debugging, any userspace test suite 62 63What: /sys/kernel/debug/scmi/<n>/transport/rx_max_msg 64Date: March 2023 65KernelVersion: 6.3 66Contact: cristian.marussi@arm.com 67Description: Max number of concurrently allowed in-flight SCMI messages for 68 the currently configured SCMI transport for instance <n> on the 69 RX channels. 70Users: Debugging, any userspace test suite 71