Add description of the debugfs SCMI Telemetry protocol ABI. Signed-off-by: Cristian Marussi --- Documentation/ABI/testing/debugfs-scmi | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/Documentation/ABI/testing/debugfs-scmi b/Documentation/ABI/testing/debugfs-scmi index ee7179ab2edf..9026f75e0016 100644 --- a/Documentation/ABI/testing/debugfs-scmi +++ b/Documentation/ABI/testing/debugfs-scmi @@ -68,3 +68,25 @@ Description: Max number of concurrently allowed in-flight SCMI messages for the currently configured SCMI transport for instance on the RX channels. Users: Debugging, any userspace test suite + +What: /sys/kernel/debug/scmi//protocols/0x/ +Date: Nov 2026 +KernelVersion: 7.3 +Contact: cristian.marussi@arm.com +Description: A subdirectory grouping debug entries related to protocol + for instance . Each protocol owns and defines the subtree + of entries rooted under this directory. +Users: Debugging, any userspace test suite + +What: /sys/kernel/debug/scmi//protocols/0x1B/shmtis/ +Date: Nov 2026 +KernelVersion: 7.3 +Contact: cristian.marussi@arm.com +Description: A set of RO files exposed by the Telemetry protocol (0x1B) in + order to dump the latest snapshot of each SHMTI memory area in + binary format: each file is named by its SHMTI id. + File is seekable and a seek to position zero on an open file + causes the SHMTI snapshot to refreshed; file timestamps are + updated after each snapshot. + This directory reports SHMTIs for instance . +Users: Debugging, any userspace test suite -- 2.54.0