From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 7430C1632E7 for ; Thu, 6 Aug 2026 06:47:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785998863; cv=none; b=R52kb+4yt+wnfKUHd6QpyPH34c+Q8AVfwVqGFGyxGFM2Ft8leK2+EioJrlkd0PHvx3DQje1sjnPcdIwqzsiFU9CIp37nrPErfoJ3BfsJB6n0BcSuzftU2jviURKLfRp3DUCDCaiUi75oHx0eYX4FdIvNMsd7qMLNFe3ap5QMp5c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785998863; c=relaxed/simple; bh=mfcLSBBh2K5RahyMEi7FbWhptWuC7NOml9wRV9n0qw8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=gjetezqQ5y8P4kk3U6IBP2SG8dJPj/SgDDVXwJ7WO3286CvgAfRdkM1/LT3UkA53yMw5hR3B2hZ/zQN3Q5CYteJqz7wjPud6qm1izofSOm/AChngJJn9FWzuy5k95rvlbZbD52ZrPiyOsN6ARSXhnFzXa7thLigKcWeXnh+iDvk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=Pl40vv5z; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=BlqPfXtN; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="Pl40vv5z"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="BlqPfXtN" Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 6766hfSJ1101575 for ; Thu, 6 Aug 2026 06:47:41 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= sANdx/y8OUkXFWpqvS8Ysve1GT7xFYY0KjCx9nxXRik=; b=Pl40vv5zGtnyVu0r TGrOWc3vdfVz+LQqfHTplqCoLYfbrBuDCXN8gDt7An366hbJIsNsNoOVQlYwQM6F ePmq2egG3zNuDsyqjOqU+yyionc46pAaUhgiIoC1tj1qIolfyk1+/857htEfNP+W ZgJXXk/E+3X3AZmQlwWLuYd6IqJqsXmg+8y1ESFf4+qRSQs1PAU0x16zBm0ZmZUT OE71g/tFLxLCLwg25+wTA8MwMwplPawLwe+4WBduUWv1thEZFxlDdoIkk93HIRXw dqCH3FgsrVVJ3JWKT3AUMFrJ4XqRbx4jt5zstiTIqhi6YF9C6aZKp4/PYxeQSjUE nLZYvA== Received: from mail-pl1-f199.google.com (mail-pl1-f199.google.com [209.85.214.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4fvn8pr0jt-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Thu, 06 Aug 2026 06:47:41 +0000 (GMT) Received: by mail-pl1-f199.google.com with SMTP id d9443c01a7336-2cfa55c9430so18388535ad.0 for ; Wed, 05 Aug 2026 23:47:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1785998860; x=1786603660; darn=vger.kernel.org; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to :content-type; bh=sANdx/y8OUkXFWpqvS8Ysve1GT7xFYY0KjCx9nxXRik=; b=BlqPfXtNF5iJAknSwpvz5IVM8wTThW1oSToIHgBEaEOaO+54at7qdtorESAyQSRnDG CxwAEDn8VUTkEUK7JTF6d7q/wp9fNbKWL5Mg5uT7KTMYAEQo6tzN/LM7DOtRDW3OP5DN +UXpYM1PUEk7Lfs2jIXD2rFiBSObr4GeqZS8M5gDqzNFFg9h6Uxmgz39mM0+8P46Ugw9 PqyRDDPwLr3r9p4mt4tbx5y0F0dkqmMT0Y1vPN37qVXSAm/tg1Mnbrfw1E/xliIeqegl 7WzkVA6CCIowWL5HWxbVLrNaDKIyJWN3TKS5ndfqvGMK2jCGcikHL9KQo3s3Re586gkT n8AA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1785998860; x=1786603660; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=sANdx/y8OUkXFWpqvS8Ysve1GT7xFYY0KjCx9nxXRik=; b=JlZxXVoyLTPEVJhmTp8NAQiFPqIEuno2s27fl/TaTj6jGDlz59NIkn0fq4A2I+0RSH zB2U90Vc3OxXoyLvodyNI0KpPAFOolEPtJWHlshS+md6eBZUVwEb3nszVnru+RMFCM9R xiLHRcBpwZsgiEuuWkjPHdEmVC3bpNKj4J2FWfjRFPiy6BtlfAr10wIXMNwqXLafw9Tk lPwxd+uE2HaOkwgRRkpSVeT8YROur68ZBFL5YKJu9xVM0pZO7hcGZye3Trh6vHNznbPX 10nOuHObt9Xp7Z9dAe12O17PmsRONT258v4Ph0O+cjJ8BMpSTH/hGGJoKsOgPahVe6uZ mRBA== X-Forwarded-Encrypted: i=1; AHgh+Rq1tovgvVg1QDnQbT8lvjaQoAiPfnFLH35TfFD5+0OmWTdyx/AGYSSIYljpjRMgKEq/We8k/to39+ebPaM=@vger.kernel.org X-Gm-Message-State: AOJu0YwvNIZoRNopqqDY6N9/QosgFKgDxcnC2PrHtzEo9Lw2hOu81aLq QEGcB6gAj2553eHaMT/kdstr+o5xZK4jHxFFizQznqfOiC8JKh7xY50oy02q9oiM2GhkZv4GmfX 6jtwdzKg1lbJhIeM3gVUPFFybHrj2R3xA8PQvUGo1Q7lsPGdbGGaxUnWwGXNbu+0zZEAFU+eE4w Q= X-Gm-Gg: AR+sD109Nd+8pricVqorQi7WrmdkjqXC0y/zYu+1ofDSkQ6RjH445E+cg6mYf9VfqUN z62/Eihio6yUf6GqZDKYjS3zKs5mO40iaCf7aA8+e3gs4z5fUqowYuzVQ3drU9AEsyNFCl9S//b 8vpu+jVMA8ep7XvtJPX+HVxVP6wuVMaa97FXShA8mnszZEP0X69dxzF3/rVmvDOJXpDQ+y8gqKv SsvYPFFBCHySrgPADOpiq02EYN6KJsfpc7YBQEfYubg3J3f4tl/Esu3ofUxXyQtAVCr6hgFsNKE JMRI6tuEaPOF8t/7tQscXQ8tuDpz8VFrVecKAixVwbxCPrGubqg+wX6U4+MKrZ3e07qLy7UJ5qG CTQaviT+K+0LiCtIwk+Tc/ioPASX7kul98Q== X-Received: by 2002:a17:902:e542:b0:2c9:c991:6ed3 with SMTP id d9443c01a7336-2d0ca7fbb60mr128056935ad.12.1785998860280; Wed, 05 Aug 2026 23:47:40 -0700 (PDT) X-Received: by 2002:a17:902:e542:b0:2c9:c991:6ed3 with SMTP id d9443c01a7336-2d0ca7fbb60mr128056665ad.12.1785998859839; Wed, 05 Aug 2026 23:47:39 -0700 (PDT) Received: from [10.217.198.68] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2d0d118a2dfsm12677995ad.28.2026.08.05.23.47.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 05 Aug 2026 23:47:39 -0700 (PDT) Message-ID: <9e9071a4-cd9e-4aa1-8f2a-a607451084ce@oss.qualcomm.com> Date: Thu, 6 Aug 2026 12:17:35 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 3/3] soc: qcom: rpmh-rsc: Output debug information from RSC To: Maulik Shah , Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, "Raju P.L.S.S.S.N" References: <20260717-rpmh-timeout-debug-v1-v2-0-81ade4fcdb49@oss.qualcomm.com> <20260717-rpmh-timeout-debug-v1-v2-3-81ade4fcdb49@oss.qualcomm.com> Content-Language: en-US From: Navya Malempati In-Reply-To: <20260717-rpmh-timeout-debug-v1-v2-3-81ade4fcdb49@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwODA2MDA1MCBTYWx0ZWRfX1BYWAXTLSMbH KeHOQRLSBz1Fl8O1AaCTupmBYc91L98443QG3DYm6SmP+QmcYQuy+o/J+hrg4pa0ePNt6ieOkvQ Oqdyyzjrgy/MLr87iVTsI7ruANzpwJI= X-Authority-Analysis: v=2.4 cv=RPeD2Yi+ c=1 sm=1 tr=0 ts=6a742e0d cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=LpQP-O61AAAA:8 a=EUspDBNiAAAA:8 a=lvYFgbDYtS1g-2Oy9MgA:9 a=QEXdDO2ut3YA:10 a=324X-CrmTo6CU4MGRt3R:22 a=pioyyrs4ZptJ924tMmac:22 X-Proofpoint-GUID: f2VENYwIVRiyWC0VYkG2aDfyc-ECnzuv X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODA2MDA1MCBTYWx0ZWRfXxxAdWEhg3Nef zzxUCTsyS2RyU0QXpjIL6Dpq5PxK3J4JzQxqpsibCG/MTWmTcKfESQ0l7BxgwCkCdTSNV4p7Ofq sPGizuMkjbDExFhxqpnHY5o+LNjRN42YX/OZvrsDQeolxOXgRSkD+HdSYGLt8tr9IApmMdyNyN6 vpOTQ0EASXnwEv/dAPmEEAQ3HelpBXqaCPvu93ylb/7qLXGKxGy13vZajWfTnGa0rQuvOJBnyXQ pefLEmNayGKCSYwpo658AfxuAqydhbhyD9I3nS1+mxsk4H2KiLyQRbL5RAKZdte+tvg9XW6AG4z esCQBmftHqxK2cXBIYleN32iE0ZPLF6Kt1HyX1o8NYWnBhJWY06n/2+jdA2QlBNH5thcnRwpR9j a3ruryWU5Fz6L4iG44Iu1PMYIA8Ke2AiEIb5VT1wM/uqeagNHXga7nwtgXtiQ4ORFUbhKSHErfF A8P34wyBTVgiGJTwS1g== X-Proofpoint-ORIG-GUID: f2VENYwIVRiyWC0VYkG2aDfyc-ECnzuv X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-05_06,2026-08-05_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 bulkscore=0 spamscore=0 priorityscore=1501 impostorscore=0 adultscore=0 phishscore=0 suspectscore=0 malwarescore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608060050 On 7/17/2026 1:19 PM, Maulik Shah wrote: > From: "Raju P.L.S.S.S.N" > > When an RPMh transfer times out there is no visibility into which > TCS was stuck, what commands it was carrying, or whether the > completion IRQ was pending at the GIC. Add rpmh_rsc_debug() to > capture this state at timeout: > > - Iterates all in-use TCSes and dumps per-TCS control register > state (controller status, AMC mode, IRQ status) and per-command > register state (address, data, message ID, completion status). > The accelerator type (ARC/VRM/BCM) is decoded from the address > using cmd_db_hw_type_str(). > > - Queries the GIC pending state for the RSC IRQ via > irq_get_irqchip_state() to distinguish two failure modes: > * AOSS firmware did not respond (IRQ never fired) > * Linux lockup (IRQ pending at GIC but handler never ran) > > - Reports the completion object state to cross-check with the > IRQ status. > > Store the IRQ number in struct rsc_drv to enable the GIC query. > > Signed-off-by: Raju P.L.S.S.S.N > Co-developed-by: Maulik Shah > Signed-off-by: Maulik Shah Reviewed-by: Navya Malempati Thanks, Navya