From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id AB00C3D904C; Wed, 17 Jun 2026 09:59:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781690386; cv=none; b=B389mOg+k9+aJqJBTNkqeuRO6St2REWrVACwd6yGZb8rFVC0X2oHbr3SnNlx8b6P1fMjKiuFhkKVfNajCVrGYSUDhwsIYG58O050x3XD0kqSPlGWKnnAi+plq6rLur6PYqz53Zx3w9eztO0sg368TAvT/rzxuMrLKmmIu05eZZY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781690386; c=relaxed/simple; bh=ATBrsW2D3HgXXET57HMCGq3nDiZ26OtuLIrk0GitQpQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UwxWHlLj8TTaXmLu+/UKWSWQS2ZowiDknt8lAW39Sld6RE8WAoUZfaJsnB/k+ROc6hX1RdW3Y2zXrukuTSsN47qHy6kcn70mvdrwTAfrUbkQXTXPMaszl/yKS0bs5VuGg7+Xwc8xEFw5NKFKeO14r0OnCzE26cNoSNBZ5plIAgQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=IFMF0i+m; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="IFMF0i+m" 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 A3FBE2E8E; Wed, 17 Jun 2026 02:59:38 -0700 (PDT) Received: from donnerap.manchester.arm.com (donnerap.manchester.arm.com [10.33.8.81]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D8AFF3F915; Wed, 17 Jun 2026 02:59:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1781690383; bh=ATBrsW2D3HgXXET57HMCGq3nDiZ26OtuLIrk0GitQpQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IFMF0i+m+aOXu5QwYwfhX/7bLpvGrGt159a/cg8S898UrfKOt6zMKFH9sAYfQQBJF vhMGdpvVdAV2QDD+4LbwEZoCig5fljgRhjlvsDPRxtDPgLYklZy54FPtZY9YQtnqAb 8s0bQv1Xa+Q2bMSctaZNTtZq5WPYlyg39fsrgrHw= From: Philip Radford To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, arm-scmi@vger.kernel.org, linux-pm@vger.kernel.org Cc: sudeep.holla@arm.com, 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, quic_sibis@quicinc.com, dan.carpenter@linaro.org, d-gole@ti.com, souvik.chakravarty@arm.com, Cristian Marussi , Philip Radford Subject: [PATCH v7 06/13] firmware: arm_scmi: Add SCMIV4.0 Powercap notifications support Date: Wed, 17 Jun 2026 10:59:03 +0100 Message-ID: <20260617095910.1963578-7-philip.radford@arm.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260617095910.1963578-1-philip.radford@arm.com> References: <20260617095910.1963578-1-philip.radford@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Cristian Marussi Extend notification support to the new SCMIv4.0 Powercap format that carry also a CPL identifier where specified. Since this addition completes SCMIv4.0 Powercap support bump also the protocol version define. Signed-off-by: Cristian Marussi Signed-off-by: Philip Radford --- drivers/firmware/arm_scmi/powercap.c | 13 +++++++++---- include/linux/scmi_protocol.h | 3 ++- 2 files changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/firmware/arm_scmi/powercap.c b/drivers/firmware/arm_scmi/powercap.c index ba037e906640..7ed6b6467813 100644 --- a/drivers/firmware/arm_scmi/powercap.c +++ b/drivers/firmware/arm_scmi/powercap.c @@ -18,7 +18,7 @@ #include "notify.h" /* Updated only after ALL the mandatory features for that version are merged */ -#define SCMI_PROTOCOL_SUPPORTED_VERSION 0x20000 +#define SCMI_PROTOCOL_SUPPORTED_VERSION 0x30000 #define CPL0 0 @@ -156,7 +156,8 @@ struct scmi_powercap_cap_changed_notify_payld { __le32 agent_id; __le32 domain_id; __le32 power_cap; - __le32 pai; + __le32 avg_ivl; + __le32 cpli; }; struct scmi_powercap_meas_changed_notify_payld { @@ -1316,14 +1317,18 @@ scmi_powercap_fill_custom_report(const struct scmi_protocol_handle *ph, const struct scmi_powercap_cap_changed_notify_payld *p = payld; struct scmi_powercap_cap_changed_report *r = report; - if (sizeof(*p) != payld_sz) + if (sizeof(*p) > payld_sz) break; r->timestamp = timestamp; r->agent_id = le32_to_cpu(p->agent_id); r->domain_id = le32_to_cpu(p->domain_id); r->power_cap = le32_to_cpu(p->power_cap); - r->pai = le32_to_cpu(p->pai); + r->avg_ivl = le32_to_cpu(p->avg_ivl); + if (sizeof(*p) == payld_sz) + r->cpli = le32_to_cpu(p->cpli); + else + r->cpli = 0; *src_id = r->domain_id; rep = r; break; diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h index 547ab4763a63..299fa8499b3f 100644 --- a/include/linux/scmi_protocol.h +++ b/include/linux/scmi_protocol.h @@ -1125,7 +1125,8 @@ struct scmi_powercap_cap_changed_report { unsigned int agent_id; unsigned int domain_id; unsigned int power_cap; - unsigned int pai; + unsigned int avg_ivl; + unsigned int cpli; }; struct scmi_powercap_meas_changed_report { -- 2.47.3