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Note: File does not exist in v3.1.
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