From patchwork Wed Mar 1 09:55:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mukesh Ojha X-Patchwork-Id: 13155811 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 4FD1BC64ED6 for ; Wed, 1 Mar 2023 10:29:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229652AbjCAK3u (ORCPT ); Wed, 1 Mar 2023 05:29:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47364 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229777AbjCAK3t (ORCPT ); Wed, 1 Mar 2023 05:29:49 -0500 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 946E22A6F3; Wed, 1 Mar 2023 02:29:47 -0800 (PST) Received: from pps.filterd (m0279872.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3212wTt7022351; Wed, 1 Mar 2023 09:57:08 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=ISrDjq0Ha+uMnwpC23DHqi+F/2UqrQtb9WTbLZDU0/U=; b=eygTnG7ELDW+Nze3h2K5GDlvOzaBBR9mr2l8Lo/9Xb1kLVdrdxALUvsKlHNdKcxEbr/5 TQriZ/I3JZX+/a5bIIEe2ZcF+pCykqJhbA851wHdnIIXBLdINtQZwMKXhnMRkJuIR7MM HORnBDmRfOD+Wp3L3i1r4wh27hYZNKb2A1WBtQDGWHUw0IuWDD73B8xVra9UPWSr5G9a 4A5d/PdNJGZ0FNvlYAtAc1NeQZNoGD6450Eyxmgx38IO/A615T4hZU2en1g+mlxKJ42t g37Z9ZL8dBDN1rwFwgN/du3q8BAIC2ubf0PN3valcpVk9N4tp82H6rPqHuKxrx18FGyf ug== Received: from nasanppmta03.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3p1p8h29qr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 01 Mar 2023 09:57:07 +0000 Received: from nasanex01c.na.qualcomm.com (nasanex01c.na.qualcomm.com [10.45.79.139]) by NASANPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 3219v6Pp021308 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 1 Mar 2023 09:57:06 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; Wed, 1 Mar 2023 01:57:04 -0800 From: Mukesh Ojha To: , , CC: , , "Mukesh Ojha" Subject: [PATCH v2 4/4] firmware: qcom_scm: Add multiple download mode support Date: Wed, 1 Mar 2023 15:25:55 +0530 Message-ID: <1677664555-30191-5-git-send-email-quic_mojha@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1677664555-30191-1-git-send-email-quic_mojha@quicinc.com> References: <1677664555-30191-1-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: JY9-77q6ci4Ji-_D774m5f-k1B8-gaVk X-Proofpoint-GUID: JY9-77q6ci4Ji-_D774m5f-k1B8-gaVk X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-03-01_04,2023-02-28_03,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 mlxscore=0 bulkscore=0 phishscore=0 lowpriorityscore=0 suspectscore=0 mlxlogscore=999 spamscore=0 clxscore=1015 impostorscore=0 malwarescore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2303010082 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 --- Changes in v2: - Accept mini/both as acceptable output. drivers/firmware/qcom_scm.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c index ca07208..39e071a 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom_scm.c @@ -27,6 +27,8 @@ #define QCOM_DOWNLOAD_MODE_MASK 0x30 #define QCOM_DOWNLOAD_FULLDUMP 0x10 +#define QCOM_DOWNLOAD_MINIDUMP 0x20 +#define QCOM_DOWNLOAD_BOTHDUMP (QCOM_DOWNLOAD_FULLDUMP | QCOM_DOWNLOAD_MINIDUMP) #define QCOM_DOWNLOAD_NODUMP 0x0 #define MAX_DLOAD_LEN 8 @@ -1350,6 +1352,10 @@ static int set_dload_mode(const char *val, const struct kernel_param *kp) if (!strncmp(val, "full", strlen("full"))) { dload_mode = QCOM_DOWNLOAD_FULLDUMP; + } else if (!strncmp(val, "mini", strlen("mini"))) { + dload_mode = QCOM_DOWNLOAD_MINIDUMP; + } else if (!strncmp(val, "both", strlen("both"))) { + dload_mode = QCOM_DOWNLOAD_BOTHDUMP; } else if (!strncmp(val, "off", strlen("off"))) { dload_mode = QCOM_DOWNLOAD_NODUMP; } else { @@ -1383,7 +1389,7 @@ static struct kparam_string dload_mode_param = { module_param_cb(download_mode, &dload_mode_param_ops, &dload_mode_param, 0644); MODULE_PARM_DESC(download_mode, - "Download mode: off/full or 0/1/off/on for existing users"); + "download mode: off/full/mini/both(full+mini) or 0/1/off/on for existing users"); static int qcom_scm_probe(struct platform_device *pdev) {