1*0f62ed00SCristian MarussiWhat: /sys/kernel/debug/scmi/<n>/instance_name 2*0f62ed00SCristian MarussiDate: March 2023 3*0f62ed00SCristian MarussiKernelVersion: 6.3 4*0f62ed00SCristian MarussiContact: cristian.marussi@arm.com 5*0f62ed00SCristian MarussiDescription: The name of the underlying SCMI instance <n> described by 6*0f62ed00SCristian Marussi all the debugfs accessors rooted at /sys/kernel/debug/scmi/<n>, 7*0f62ed00SCristian Marussi expressed as the full name of the top DT SCMI node under which 8*0f62ed00SCristian Marussi this SCMI instance is rooted. 9*0f62ed00SCristian MarussiUsers: Debugging, any userspace test suite 10*0f62ed00SCristian Marussi 11*0f62ed00SCristian MarussiWhat: /sys/kernel/debug/scmi/<n>/atomic_threshold_us 12*0f62ed00SCristian MarussiDate: March 2023 13*0f62ed00SCristian MarussiKernelVersion: 6.3 14*0f62ed00SCristian MarussiContact: cristian.marussi@arm.com 15*0f62ed00SCristian MarussiDescription: An optional time value, expressed in microseconds, representing, 16*0f62ed00SCristian Marussi on this SCMI instance <n>, the threshold above which any SCMI 17*0f62ed00SCristian Marussi command, advertised to have an higher-than-threshold execution 18*0f62ed00SCristian Marussi latency, should not be considered for atomic mode of operation, 19*0f62ed00SCristian Marussi even if requested. 20*0f62ed00SCristian MarussiUsers: Debugging, any userspace test suite 21*0f62ed00SCristian Marussi 22*0f62ed00SCristian MarussiWhat: /sys/kernel/debug/scmi/<n>/transport/type 23*0f62ed00SCristian MarussiDate: March 2023 24*0f62ed00SCristian MarussiKernelVersion: 6.3 25*0f62ed00SCristian MarussiContact: cristian.marussi@arm.com 26*0f62ed00SCristian MarussiDescription: A string representing the type of transport configured for this 27*0f62ed00SCristian Marussi SCMI instance <n>. 28*0f62ed00SCristian MarussiUsers: Debugging, any userspace test suite 29*0f62ed00SCristian Marussi 30*0f62ed00SCristian MarussiWhat: /sys/kernel/debug/scmi/<n>/transport/is_atomic 31*0f62ed00SCristian MarussiDate: March 2023 32*0f62ed00SCristian MarussiKernelVersion: 6.3 33*0f62ed00SCristian MarussiContact: cristian.marussi@arm.com 34*0f62ed00SCristian MarussiDescription: A boolean stating if the transport configured on the underlying 35*0f62ed00SCristian Marussi SCMI instance <n> is capable of atomic mode of operation. 36*0f62ed00SCristian MarussiUsers: Debugging, any userspace test suite 37*0f62ed00SCristian Marussi 38*0f62ed00SCristian MarussiWhat: /sys/kernel/debug/scmi/<n>/transport/max_rx_timeout_ms 39*0f62ed00SCristian MarussiDate: March 2023 40*0f62ed00SCristian MarussiKernelVersion: 6.3 41*0f62ed00SCristian MarussiContact: cristian.marussi@arm.com 42*0f62ed00SCristian MarussiDescription: Timeout in milliseconds allowed for SCMI synchronous replies 43*0f62ed00SCristian Marussi for the currently configured SCMI transport for instance <n>. 44*0f62ed00SCristian MarussiUsers: Debugging, any userspace test suite 45*0f62ed00SCristian Marussi 46*0f62ed00SCristian MarussiWhat: /sys/kernel/debug/scmi/<n>/transport/max_msg_size 47*0f62ed00SCristian MarussiDate: March 2023 48*0f62ed00SCristian MarussiKernelVersion: 6.3 49*0f62ed00SCristian MarussiContact: cristian.marussi@arm.com 50*0f62ed00SCristian MarussiDescription: Max message size of allowed SCMI messages for the currently 51*0f62ed00SCristian Marussi configured SCMI transport for instance <n>. 52*0f62ed00SCristian MarussiUsers: Debugging, any userspace test suite 53*0f62ed00SCristian Marussi 54*0f62ed00SCristian MarussiWhat: /sys/kernel/debug/scmi/<n>/transport/tx_max_msg 55*0f62ed00SCristian MarussiDate: March 2023 56*0f62ed00SCristian MarussiKernelVersion: 6.3 57*0f62ed00SCristian MarussiContact: cristian.marussi@arm.com 58*0f62ed00SCristian MarussiDescription: Max number of concurrently allowed in-flight SCMI messages for 59*0f62ed00SCristian Marussi the currently configured SCMI transport for instance <n> on the 60*0f62ed00SCristian Marussi TX channels. 61*0f62ed00SCristian MarussiUsers: Debugging, any userspace test suite 62*0f62ed00SCristian Marussi 63*0f62ed00SCristian MarussiWhat: /sys/kernel/debug/scmi/<n>/transport/rx_max_msg 64*0f62ed00SCristian MarussiDate: March 2023 65*0f62ed00SCristian MarussiKernelVersion: 6.3 66*0f62ed00SCristian MarussiContact: cristian.marussi@arm.com 67*0f62ed00SCristian MarussiDescription: Max number of concurrently allowed in-flight SCMI messages for 68*0f62ed00SCristian Marussi the currently configured SCMI transport for instance <n> on the 69*0f62ed00SCristian Marussi RX channels. 70*0f62ed00SCristian MarussiUsers: Debugging, any userspace test suite 71