From patchwork Fri Feb 24 21:17:06 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: 13151821 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 685CFC6FA8E for ; Fri, 24 Feb 2023 21:18:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229649AbjBXVST (ORCPT ); Fri, 24 Feb 2023 16:18:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39638 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229848AbjBXVSP (ORCPT ); Fri, 24 Feb 2023 16:18:15 -0500 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3FA22525E; Fri, 24 Feb 2023 13:17:53 -0800 (PST) Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 31OKp80j029561; Fri, 24 Feb 2023 21:17:23 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=CPewQcvdvM6tnCXkA/ryYOlaoSyypxN3yA10Btcyz3E=; b=k+Gj8IPUFgcBH5J1LlgnQ/1KIbeqwHdh6LjwnpYXitZ7FY/uucBYhJTp/IklW+N0SwGu ae7g9Y7U9Rh+yX4xP2khxktloAZb9eB8sHaWT+9EAoST7ocdYpsobb9waTky+l20Ru9d bSQuWWfc4aKoYNiOs4DNY3q+ezUmhw0d29S2TEK9Usvnn7cTKs819TeVePxhsI1mh0B2 KgF57/TJVAAMR1tcS+6xgbtBHxnX/wqkMEuYDxOViaHco0CTAqnATzmSyoeDsSDXaUQ4 d3euLNj2JU76/bRvlBXrbPVkJARiEDbQWycJ8zgdBk53ueUXMzDYQaeKZGTFqprtwlYI BQ== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3nxsy7t22n-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 24 Feb 2023 21:17:23 +0000 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 31OLHMhK025479 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 24 Feb 2023 21:17:22 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 13:17:21 -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 1/2] remoteproc: core: Export the rproc coredump APIs Date: Fri, 24 Feb 2023 13:17:06 -0800 Message-ID: <20230224211707.30916-2-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: blBNM9NyXPCCoeOBTVj9JCNqBbbd9bVH X-Proofpoint-ORIG-GUID: blBNM9NyXPCCoeOBTVj9JCNqBbbd9bVH 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_14,2023-02-24_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 mlxlogscore=999 suspectscore=0 phishscore=0 priorityscore=1501 bulkscore=0 impostorscore=0 mlxscore=0 lowpriorityscore=0 adultscore=0 clxscore=1015 malwarescore=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-arm-msm@vger.kernel.org From: Siddharth Gupta The remoteproc coredump APIs are currently only part of the internal remoteproc header. This prevents the remoteproc platform drivers from using these APIs when needed. This change moves the rproc_coredump() and rproc_coredump_cleanup() APIs to the linux header and marks them as exported symbols. Signed-off-by: Siddharth Gupta Signed-off-by: Gokul krishna Krishnakumar --- drivers/remoteproc/remoteproc_coredump.c | 2 ++ drivers/remoteproc/remoteproc_internal.h | 4 ---- include/linux/remoteproc.h | 4 ++++ 3 files changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/remoteproc/remoteproc_coredump.c b/drivers/remoteproc/remoteproc_coredump.c index 4b093420d98a..9c53c3df7fde 100644 --- a/drivers/remoteproc/remoteproc_coredump.c +++ b/drivers/remoteproc/remoteproc_coredump.c @@ -32,6 +32,7 @@ void rproc_coredump_cleanup(struct rproc *rproc) kfree(entry); } } +EXPORT_SYMBOL_GPL(rproc_coredump_cleanup); /** * rproc_coredump_add_segment() - add segment of device memory to coredump @@ -327,6 +328,7 @@ void rproc_coredump(struct rproc *rproc) */ wait_for_completion(&dump_state.dump_done); } +EXPORT_SYMBOL_GPL(rproc_coredump); /** * rproc_coredump_using_sections() - perform coredump using section headers diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h index d4dbb8d1d80c..f62a82d71dfa 100644 --- a/drivers/remoteproc/remoteproc_internal.h +++ b/drivers/remoteproc/remoteproc_internal.h @@ -76,10 +76,6 @@ extern struct class rproc_class; int rproc_init_sysfs(void); void rproc_exit_sysfs(void); -/* from remoteproc_coredump.c */ -void rproc_coredump_cleanup(struct rproc *rproc); -void rproc_coredump(struct rproc *rproc); - #ifdef CONFIG_REMOTEPROC_CDEV void rproc_init_cdev(void); void rproc_exit_cdev(void); diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h index fe8978eb69f1..b4795698d8c2 100644 --- a/include/linux/remoteproc.h +++ b/include/linux/remoteproc.h @@ -690,6 +690,10 @@ int rproc_detach(struct rproc *rproc); int rproc_set_firmware(struct rproc *rproc, const char *fw_name); void rproc_report_crash(struct rproc *rproc, enum rproc_crash_type type); void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem); + +/* from remoteproc_coredump.c */ +void rproc_coredump_cleanup(struct rproc *rproc); +void rproc_coredump(struct rproc *rproc); void rproc_coredump_using_sections(struct rproc *rproc); int rproc_coredump_add_segment(struct rproc *rproc, dma_addr_t da, size_t size); int rproc_coredump_add_custom_segment(struct rproc *rproc, 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: 13151822 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 3EE93C7EE23 for ; Fri, 24 Feb 2023 21:18:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230059AbjBXVST (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; 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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-arm-msm@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,