From patchwork Wed Jan 17 10:41:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sibi Sankar X-Patchwork-Id: 13521615 X-Patchwork-Delegate: viresh.linux@gmail.com Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9EAF91C6BA; Wed, 17 Jan 2024 10:45:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705488334; cv=none; b=Bc8J2GiA4UQldNVmspEW6IHJXf9MhHyCMknUkCnbaGg1HuUfxxgMd3dcis99CdkVN6cCAF47opZQvkSzz2pcZHzOMDdTPXYBLK1Vq03jQnOcWZC6gBp6GVS2E0Hv8S1+jov/kz08JyeGyiMEgxpBTd/QD+nuN76edgLsnK/XseA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705488334; c=relaxed/simple; bh=BpCA0vwZl69dRLI4dnWA0LBDKY4aswlh97aPkxwupXA=; h=Received:DKIM-Signature:Received:Received:Received:From:To:CC: Subject:Date:Message-ID:X-Mailer:In-Reply-To:References: MIME-Version:Content-Transfer-Encoding:Content-Type: X-Originating-IP:X-ClientProxiedBy:X-QCInternal: X-Proofpoint-Virus-Version:X-Proofpoint-GUID: X-Proofpoint-ORIG-GUID:X-Proofpoint-Virus-Version: X-Proofpoint-Spam-Details; b=T4HzUuWe5M6w6FVPAzQyvVZvhVwDEw6jaKHI0YSnPcCyJXiRwS/pi64WptdivkeqIMLq+iFKaf9meIfboV/YhjtL87NUPiggWhyqH//BMG7FhmPppw9jNMa8WWRLBOoKIxfAfXbkCZ+ECrt7Wv8F9Lz5hhywFkvVrHu95e6uLj4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=WrAl0nkd; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="WrAl0nkd" Received: from pps.filterd (m0279865.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 40H4rENU010679; Wed, 17 Jan 2024 10:45:21 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s= qcppdkim1; bh=de9oS+lk9gffGLo4TJesF3FDP09M3GDm6E7fNkq1Fho=; b=Wr Al0nkd45aamSUGML21bLuMoa+zLZwDPsBGGHtxVVVNw2ic5WHlaVsgOm+oKCPD5a H2evsuU8z1xj1srqfV4wq/JNAqEl94WD9luhQRnnvklQLPpZjiS+8ZX/XEKOiINU 5lKDRQt/W8YmIwuJKJvYOV5oDdBc/VbVnrnK7viKRdhPGEtVxi9jpAX79FxQANjc a/f9A/whPkklZ/pONO4JqRaghqXjtcif3lji/Ufj4B9fRcEzPG2r62C3GeWmlM6+ ptov0FNaymZ3of1begb5deR0URe6y+xSlBDw0CBL+Gvus9gBxkKeQfhuc0+DyyJb FJume9MoAn+2RrjuYCCw== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3vnrndb1nf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 17 Jan 2024 10:45:20 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 40HAjKd1021085 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 17 Jan 2024 10:45:20 GMT Received: from hu-sibis-blr.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Wed, 17 Jan 2024 02:45:15 -0800 From: Sibi Sankar To: , , , , , , CC: , , , , , Sibi Sankar Subject: [PATCH V2 1/4] firmware: arm_scmi: Add perf_notify_support interface Date: Wed, 17 Jan 2024 16:11:13 +0530 Message-ID: <20240117104116.2055349-2-quic_sibis@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240117104116.2055349-1-quic_sibis@quicinc.com> References: <20240117104116.2055349-1-quic_sibis@quicinc.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: zwZn1dXK8tA7kGj5gSfKLVlGr8oSVcfK X-Proofpoint-ORIG-GUID: zwZn1dXK8tA7kGj5gSfKLVlGr8oSVcfK X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-17_05,2024-01-17_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 lowpriorityscore=0 mlxscore=0 suspectscore=0 mlxlogscore=999 clxscore=1015 adultscore=0 impostorscore=0 malwarescore=0 bulkscore=0 phishscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2311290000 definitions=main-2401170075 Add a new perf_notify_support interface to the existing perf_ops to export info regarding limit/level change notification support. Signed-off-by: Sibi Sankar --- drivers/firmware/arm_scmi/perf.c | 16 ++++++++++++++++ include/linux/scmi_protocol.h | 8 ++++++++ 2 files changed, 24 insertions(+) diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c index 211e8e0aef2c..ae7681eda276 100644 --- a/drivers/firmware/arm_scmi/perf.c +++ b/drivers/firmware/arm_scmi/perf.c @@ -962,6 +962,21 @@ scmi_power_scale_get(const struct scmi_protocol_handle *ph) return pi->power_scale; } +static int scmi_notify_support(const struct scmi_protocol_handle *ph, u32 domain, + struct scmi_perf_notify_info *info) +{ + struct perf_dom_info *dom; + + dom = scmi_perf_domain_lookup(ph, domain); + if (IS_ERR(dom)) + return -EINVAL; + + info->perf_limit_notify = dom->perf_limit_notify; + info->perf_level_notify = dom->perf_level_notify; + + return 0; +} + static const struct scmi_perf_proto_ops perf_proto_ops = { .num_domains_get = scmi_perf_num_domains_get, .info_get = scmi_perf_info_get, @@ -976,6 +991,7 @@ static const struct scmi_perf_proto_ops perf_proto_ops = { .est_power_get = scmi_dvfs_est_power_get, .fast_switch_possible = scmi_fast_switch_possible, .power_scale_get = scmi_power_scale_get, + .perf_notify_support = scmi_notify_support, }; static int scmi_perf_set_notify_enabled(const struct scmi_protocol_handle *ph, diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h index f2f05fb42d28..b0947d004826 100644 --- a/include/linux/scmi_protocol.h +++ b/include/linux/scmi_protocol.h @@ -117,6 +117,11 @@ struct scmi_perf_domain_info { bool set_perf; }; +struct scmi_perf_notify_info { + bool perf_limit_notify; + bool perf_level_notify; +}; + /** * struct scmi_perf_proto_ops - represents the various operations provided * by SCMI Performance Protocol @@ -139,6 +144,7 @@ struct scmi_perf_domain_info { * for a given device * @power_scale_mw_get: indicates if the power values provided are in milliWatts * or in some other (abstract) scale + * @perf_notify_support: indicates if limit and level change notification is supported */ struct scmi_perf_proto_ops { int (*num_domains_get)(const struct scmi_protocol_handle *ph); @@ -165,6 +171,8 @@ struct scmi_perf_proto_ops { bool (*fast_switch_possible)(const struct scmi_protocol_handle *ph, u32 domain); enum scmi_power_scale (*power_scale_get)(const struct scmi_protocol_handle *ph); + int (*perf_notify_support)(const struct scmi_protocol_handle *ph, u32 domain, + struct scmi_perf_notify_info *info); }; /**