From nobody Thu Apr 2 00:12:58 2026 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 58F023DE426; Wed, 1 Apr 2026 09:54:17 +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=1775037265; cv=none; b=XRDVxSe/RxlMkTYFcztgsNdThbVMyI2ZSulLVJgVLC6oEioW4USDlwsNgdj9R1oWNFDEjoaNmiORvNRd6LSnFBQNH8lPbZOnKe0nHkxuWCVyqmKE/2jC9SPK9IpF9oRs6P7WMH7JUlzavtlfXjYsEOTljzXBCUR/i38eqHOMp+E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775037265; c=relaxed/simple; bh=Tr/I/efDffY7Qd3404yAJht1JzWyp8BMb9/E4Hz3Uv4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IuFx2mVVcczVQqEpwfaHzaJzR29YCeKZiM0jLKHLVVMlTnJ75bNsgqOqTP0tiUeJdm4rlwAMfKrlp+TG6A7Sqwf/6DfWQiEnMuJ+Ni2iYN7MSgmCRvDNCTPxXCKVuliMDcs9yPKoYkk3ja3ijYykTteGrCJmbZQs5LBWExdumAE= 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=NHAccUGc; 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="NHAccUGc" 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 912CE2E98; Wed, 1 Apr 2026 02:54:09 -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 752FB3F7D8; Wed, 1 Apr 2026 02:54:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1775037255; bh=Tr/I/efDffY7Qd3404yAJht1JzWyp8BMb9/E4Hz3Uv4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NHAccUGcWYNRCCB4AQ3707pX1iXyOlZ4mtsyiw0dQing0yk8QDk5Rgljg+jiuvrIa WXnPaAJTnV3+rgef2gFQ9Eh45k06vJA6BS/DaY1K13jw0s06qRsEp8D59DY1vKVni7 z6Zjg1CTQuF53FJJfg2xrB0rFpCXCFjIiPz1/ccg= 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, Philip Radford Subject: [PATCH v4 06/11] firmware: arm_scmi: Extend powercap report to include MAI Date: Wed, 1 Apr 2026 10:53:44 +0100 Message-ID: <20260401095349.2217840-7-philip.radford@arm.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260401095349.2217840-1-philip.radford@arm.com> References: <20260401095349.2217840-1-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: quoted-printable Content-Type: text/plain; charset="utf-8" Extend scmi_powercap_meas_changed_report to include MAI change notifications. Signed-off-by: Philip Radford --- drivers/firmware/arm_scmi/powercap.c | 20 ++++++++++++-------- include/linux/scmi_protocol.h | 1 + 2 files changed, 13 insertions(+), 8 deletions(-) diff --git a/drivers/firmware/arm_scmi/powercap.c b/drivers/firmware/arm_sc= mi/powercap.c index 1d1188e98d49..b9d50f4e8ae5 100644 --- a/drivers/firmware/arm_scmi/powercap.c +++ b/drivers/firmware/arm_scmi/powercap.c @@ -11,6 +11,7 @@ #include #include #include +#include =20 #include =20 @@ -164,6 +165,7 @@ struct scmi_powercap_meas_changed_notify_payld { __le32 agent_id; __le32 domain_id; __le32 power; + __le32 mai; }; =20 struct scmi_msg_powercap_cpc { @@ -1212,13 +1214,6 @@ static int scmi_powercap_notify(const struct scmi_pr= otocol_handle *ph, if (ret) return ret; =20 - if (enable && !low && !high) { - dev_err(ph->dev, - "Invalid Measurements Notify thresholds: %u/%u\n", - low, high); - return -EINVAL; - } - ret =3D ph->xops->xfer_get_init(ph, message_id, sizeof(*notify), 0, &t); if (ret) @@ -1333,14 +1328,23 @@ scmi_powercap_fill_custom_report(const struct scmi_= protocol_handle *ph, { const struct scmi_powercap_meas_changed_notify_payld *p =3D payld; struct scmi_powercap_meas_changed_report *r =3D report; + const size_t sz_v2 =3D offsetofend(struct scmi_powercap_meas_changed_not= ify_payld, + power); + const size_t sz_v3 =3D sizeof(*p); =20 - if (sizeof(*p) !=3D payld_sz) + if (payld_sz !=3D sz_v2 && payld_sz !=3D sz_v3) break; =20 r->timestamp =3D timestamp; r->agent_id =3D le32_to_cpu(p->agent_id); r->domain_id =3D le32_to_cpu(p->domain_id); r->power =3D le32_to_cpu(p->power); + + if (payld_sz =3D=3D sz_v3 && PROTOCOL_REV_MAJOR(ph->version) >=3D 0x3) + r->mai =3D le32_to_cpu(p->mai); + else + r->mai =3D 0; + *src_id =3D r->domain_id; rep =3D r; break; diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h index 299fa8499b3f..d0f6c0102559 100644 --- a/include/linux/scmi_protocol.h +++ b/include/linux/scmi_protocol.h @@ -1134,5 +1134,6 @@ struct scmi_powercap_meas_changed_report { unsigned int agent_id; unsigned int domain_id; unsigned int power; + unsigned int mai; }; #endif /* _LINUX_SCMI_PROTOCOL_H */ --=20 2.47.3