From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1B6F1C44500 for ; Fri, 3 Jul 2026 12:37:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=W5Y1ozx7mOvMRYpmVjqqsVX9ZH5NHe+UzO69tr5FlaE=; b=lQAmVUMnseTV5Eal+koXdTMmQE i1BknWnQzBEla+IqRsOGO3zUZ0Riga6DtreJleI5g0a3gH50ybEA1MZ9qz1Bro0332cjt6BIXjMXf o9T+u0C2UUxIsUFuvyeSVTZGJt1IcL5MhozzKt/2LDeAtBGp3eL/ZTszVXyaOuGHjtAD8MEErY77h zY/tcI81zrFW/U1GptRdvl7xVtegiIBgmK+AGwFo2VQmufs0lw2rFJponcCJgPTOuFaNxO9VlMIiV FXWM7dKvyQEG8Kx7EyrRA3VbHnJfdEFAz3UB/wZpssjUkANXXV8VlGiMwnO/N1hYr7aPZO7NbtOJQ BqCmaBlA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wfd9K-00000006xwl-3j99; Fri, 03 Jul 2026 12:37:42 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wfd9D-00000006xk9-1vru for linux-arm-kernel@lists.infradead.org; Fri, 03 Jul 2026 12:37:38 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id D6486463F; Fri, 3 Jul 2026 05:37:29 -0700 (PDT) Received: from pluto.fritz.box (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id B2B983F905; Fri, 3 Jul 2026 05:37:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1783082254; bh=4lT/9PZUZHBvffF8TO87gr4Si/OUP+K7jD/uH1WnF00=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YRxogu01Y5blvBqwpq5xKH46BkT7Mgk+Psy/AKQNeIpV2fhWVX/KFGtum1kg5KxD2 bkfz2faSUy0xZuf0cV5UeUpuUoJOIGaRK9bP30YkfmruzxKaPZDcnJwYfuqZ0m1Ynd LoE5BcZBbRCUWTdx4JDrdHW4KheB12rXPGRHwpG4= From: Cristian Marussi To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, arm-scmi@vger.kernel.org, linux-doc@vger.kernel.org Cc: sudeep.holla@kernel.org, james.quinlan@broadcom.com, f.fainelli@gmail.com, vincent.guittot@linaro.org, etienne.carriere@st.com, peng.fan@oss.nxp.com, michal.simek@amd.com, d-gole@ti.com, jic23@kernel.org, elif.topuz@arm.com, lukasz.luba@arm.com, philip.radford@arm.com, brauner@kernel.org, david@kernel.org, souvik.chakravarty@arm.com, leitao@kernel.org, kas@kernel.org, puranjay@kernel.org, usama.arif@linux.dev, kernel-team@meta.com, Cristian Marussi Subject: [PATCH v5 17/23] firmware: arm_scmi: Add Telemetry debugfs ABI documentation Date: Fri, 3 Jul 2026 13:35:55 +0100 Message-ID: <20260703123601.381275-18-cristian.marussi@arm.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260703123601.381275-1-cristian.marussi@arm.com> References: <20260703123601.381275-1-cristian.marussi@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260703_053735_569174_1BEAC409 X-CRM114-Status: UNSURE ( 9.71 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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