From patchwork Mon Mar 27 16:41:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mukesh Ojha X-Patchwork-Id: 667513 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 1E740C761A6 for ; Mon, 27 Mar 2023 16:43:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232401AbjC0Qma (ORCPT ); Mon, 27 Mar 2023 12:42:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57340 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232618AbjC0QmD (ORCPT ); Mon, 27 Mar 2023 12:42:03 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AF99A3A8C; Mon, 27 Mar 2023 09:41:58 -0700 (PDT) Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 32RE6Bgf019036; Mon, 27 Mar 2023 16:41:54 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-type; s=qcppdkim1; bh=rdW3275cbw6qbQR0iizsgq/hJswZIcUGspaRgj6jMLk=; b=JaS0orVPRDkP93z0JaL9efVuYSQ6NSU5xqZxMz+mdZQl+EQpdrwukzfQpHAyUvMpQ2yz D9ZLhbdFc7wrGazWluHXarB1v3FRij4LI5e96vJqiWd988mS4W6m5Swx1UKokVz2c2oq sCnTNiDLR5KZkFH+lYWY4KTEsBgLHdv8agPrSjgv3bzeQxIUqUtt14exky4a5Jy2R66J ckRcqjHKDinJrhexU7j4gVgufTIM7Itt5vjhPkZnlEBPWrKoQxv/7N1Fag99HarVud56 uq/tnPtFT4ZTHQzBjrDltHHL9S8hCOrR8/fY/dqce+U8QJzgVx/+tgDxQJOJoD285VRL /A== Received: from nasanppmta05.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3pkcm2rg4h-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 27 Mar 2023 16:41:54 +0000 Received: from nasanex01c.na.qualcomm.com (nasanex01c.na.qualcomm.com [10.45.79.139]) by NASANPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 32RGfrHX022663 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 27 Mar 2023 16:41:53 GMT Received: from hu-mojha-hyd.qualcomm.com (10.80.80.8) by nasanex01c.na.qualcomm.com (10.45.79.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.41; Mon, 27 Mar 2023 09:41:50 -0700 From: Mukesh Ojha To: , , , CC: , , , Mukesh Ojha Subject: [PATCH v4 5/5] firmware: qcom_scm: Add multiple download mode support Date: Mon, 27 Mar 2023 22:11:21 +0530 Message-ID: <1679935281-18445-6-git-send-email-quic_mojha@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1679935281-18445-1-git-send-email-quic_mojha@quicinc.com> References: <1679935281-18445-1-git-send-email-quic_mojha@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01c.na.qualcomm.com (10.45.79.139) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: BPRsb3e66BsdNY7tW2-pp1CxjgSMXdre X-Proofpoint-GUID: BPRsb3e66BsdNY7tW2-pp1CxjgSMXdre X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-03-24_11,2023-03-27_02,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 lowpriorityscore=0 malwarescore=0 mlxlogscore=999 bulkscore=0 priorityscore=1501 suspectscore=0 spamscore=0 clxscore=1015 impostorscore=0 adultscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2303270134 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Currently, scm driver only supports full dump when download mode is selected. Add support to enable minidump as well both dump(full dump + minidump). Signed-off-by: Mukesh Ojha --- drivers/firmware/qcom_scm.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c index 0c94429..19315d0 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom_scm.c @@ -32,6 +32,8 @@ static u32 download_mode; #define QCOM_DOWNLOAD_MODE_MASK 0x30 #define QCOM_DOWNLOAD_FULLDUMP 0x1 +#define QCOM_DOWNLOAD_MINIDUMP 0x2 +#define QCOM_DOWNLOAD_BOTHDUMP (QCOM_DOWNLOAD_FULLDUMP | QCOM_DOWNLOAD_MINIDUMP) #define QCOM_DOWNLOAD_NODUMP 0x0 struct qcom_scm { @@ -1421,13 +1423,16 @@ static irqreturn_t qcom_scm_irq_handler(int irq, void *data) return IRQ_HANDLED; } - static int get_download_mode(char *buffer, const struct kernel_param *kp) { int len = 0; if (download_mode == QCOM_DOWNLOAD_FULLDUMP) len = sysfs_emit(buffer, "full\n"); + else if (download_mode == QCOM_DOWNLOAD_MINIDUMP) + len = sysfs_emit(buffer, "mini\n"); + else if (download_mode == QCOM_DOWNLOAD_BOTHDUMP) + len = sysfs_emit(buffer, "both\n"); else if (download_mode == QCOM_DOWNLOAD_NODUMP) len = sysfs_emit(buffer, "off\n"); @@ -1440,6 +1445,10 @@ static int set_download_mode(const char *val, const struct kernel_param *kp) if (!strncmp(val, "full", strlen("full"))) { download_mode = QCOM_DOWNLOAD_FULLDUMP; + } else if (!strncmp(val, "mini", strlen("mini"))) { + download_mode = QCOM_DOWNLOAD_MINIDUMP; + } else if (!strncmp(val, "both", strlen("both"))) { + download_mode = QCOM_DOWNLOAD_BOTHDUMP; } else if (!strncmp(val, "off", strlen("off"))) { download_mode = QCOM_DOWNLOAD_NODUMP; } else if (kstrtouint(val, 0, &download_mode) || @@ -1462,7 +1471,7 @@ static const struct kernel_param_ops download_mode_param_ops = { module_param_cb(download_mode, &download_mode_param_ops, NULL, 0644); MODULE_PARM_DESC(download_mode, - "Download mode: off/full or 0/1 for existing users"); + "download mode: off/full/mini/both(full+mini) or 0/1 for existing users"); static int qcom_scm_probe(struct platform_device *pdev) {