From patchwork Fri Feb 24 21:17:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gokul krishna Krishnakumar X-Patchwork-Id: 13151825 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 257AAC7EE2F for ; Fri, 24 Feb 2023 21:18:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230062AbjBXVST (ORCPT ); Fri, 24 Feb 2023 16:18:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39488 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229864AbjBXVSQ (ORCPT ); Fri, 24 Feb 2023 16:18:16 -0500 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 22FE24C3E; Fri, 24 Feb 2023 13:17:53 -0800 (PST) Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 31OK5hs0030408; Fri, 24 Feb 2023 21:17:25 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=2KeglNGIGTjZRWimPDaOKRsBt+lnwUieaIjlGkQbDEM=; b=fwdBbrlPqw3uesc+q/CiqsrKpTuPFaFFrP4MtLPPuSAZxr6qwvx4JD05L/mWJSb87ryH JFmzqRrLuEExo0u4fe+Ih0pbXbLbU9X6HPr4eoru3PXGQBtVHM19d9ss/htbyqPKqANo ziMxvgITSn+R+wRljsGc2zBbYjUe/8NwRiwBeCUTK4EHFKx+QBfSH2V1I4ncjr+k9AHs BX7d7sn1k8u7Kf9xAanT/jkABTev9oLXVE5jpw0Aus6KwGPFZMDF85DXayxBThaFSaK1 mh9gnzCy7WuBn5xypf/73e88QPh6Dq3YxKKAVEL5P257FKzWDxxf1waoj9BUZQpG6wgn ng== Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3nwybwnwch-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 24 Feb 2023 21:17:25 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 31OLHOXF018415 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 24 Feb 2023 21:17:24 GMT Received: from hu-gokukris-sd.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 15.2.986.41; Fri, 24 Feb 2023 13:17:23 -0800 From: Gokul krishna Krishnakumar To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Mathieu Poirier CC: Trilok Soni , Satya Durga Srinivasu Prabhala , Rajendra Nayak , "Elliot Berman" , Guru Das Srinagesh , Sibi Sankar , , , , Siddharth Gupta , Gokul krishna Krishnakumar Subject: [PATCH v5 2/2] remoteproc: qcom: Add full coredump fallback mechanism Date: Fri, 24 Feb 2023 13:17:07 -0800 Message-ID: <20230224211707.30916-3-quic_gokukris@quicinc.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230224211707.30916-1-quic_gokukris@quicinc.com> References: <20230224211707.30916-1-quic_gokukris@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] 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: rJjw62YLETut6RPGP3-Zs-qtUw_Rm3kD X-Proofpoint-ORIG-GUID: rJjw62YLETut6RPGP3-Zs-qtUw_Rm3kD X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.170.22 definitions=2023-02-24_16,2023-02-24_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 lowpriorityscore=0 mlxlogscore=976 malwarescore=0 impostorscore=0 bulkscore=0 spamscore=0 mlxscore=0 priorityscore=1501 adultscore=0 phishscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2302240169 Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org From: Siddharth Gupta If a remoteproc's firmware does not support minidump but the driver adds an ID, the minidump driver does not collect any coredumps when the remoteproc crashes. This hinders the purpose of coredump collection. This change adds a fallback mechanism in the event of a crash. Signed-off-by: Siddharth Gupta Signed-off-by: Gokul krishna Krishnakumar --- drivers/remoteproc/qcom_common.c | 13 +++++++++++-- drivers/remoteproc/qcom_q6v5_pas.c | 1 + 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/remoteproc/qcom_common.c b/drivers/remoteproc/qcom_common.c index 7da3259be14a..280a5a821dca 100644 --- a/drivers/remoteproc/qcom_common.c +++ b/drivers/remoteproc/qcom_common.c @@ -173,12 +173,21 @@ void qcom_minidump(struct rproc *rproc, unsigned int minidump_id, */ if (subsystem->regions_baseptr == 0 || le32_to_cpu(subsystem->status) != 1 || - le32_to_cpu(subsystem->enabled) != MD_SS_ENABLED || - le32_to_cpu(subsystem->encryption_status) != MD_SS_ENCR_DONE) { + le32_to_cpu(subsystem->enabled) != MD_SS_ENABLED) { + return rproc_coredump(rproc); + } + + if (le32_to_cpu(subsystem->encryption_status) != MD_SS_ENCR_DONE) { dev_err(&rproc->dev, "Minidump not ready, skipping\n"); return; } + /** + * Clear out the dump segments populated by parse_fw before + * re-populating them with minidump segments. + */ + rproc_coredump_cleanup(rproc); + ret = qcom_add_minidump_segments(rproc, subsystem, rproc_dumpfn_t); if (ret) { dev_err(&rproc->dev, "Failed with error: %d while adding minidump entries\n", ret); diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c index 27d3a6f8c92f..d065f99b4c32 100644 --- a/drivers/remoteproc/qcom_q6v5_pas.c +++ b/drivers/remoteproc/qcom_q6v5_pas.c @@ -442,6 +442,7 @@ static const struct rproc_ops adsp_minidump_ops = { .start = adsp_start, .stop = adsp_stop, .da_to_va = adsp_da_to_va, + .parse_fw = qcom_register_dump_segments, .load = adsp_load, .panic = adsp_panic, .coredump = adsp_minidump,