From patchwork Wed Jun 28 12:34:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mukesh Ojha X-Patchwork-Id: 13295703 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 208DDC04FE0 for ; Wed, 28 Jun 2023 12:40:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231500AbjF1MkZ (ORCPT ); Wed, 28 Jun 2023 08:40:25 -0400 Received: from mx0b-0031df01.pphosted.com ([205.220.180.131]:7312 "EHLO mx0b-0031df01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232208AbjF1Mh5 (ORCPT ); Wed, 28 Jun 2023 08:37:57 -0400 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 35S8hwfV019656; Wed, 28 Jun 2023 12:37:41 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=orV3xaRgOXdBv+EvZhahI6WQdstYeA90CZqOQkv6cLI=; b=UkwnUQPzsvBy/N+7oBJ1VdTYqGgjVAQ70vfr1gECSNgCOZRfSiS5hMP42KYlrUYylgD6 /OJU1KE8h0ljrxHe67E7qXGcUvGotbUze+XittlcOXVHIbyodTjAwG5xNBw1rGX5dLtj SU9goPMK1v4ufPtn34pZDdnUxIynyeGoR00i3sfyqXYbs+Q9JPpNzkK0uZD8x2chWaqE jt3ZnTU3DNIuOXThieOJ+mkvbntdigmlV1B1dXZFhqKY7fqYD9EQg7SNoBBYNRaMXIW+ ntX9fQ8bsRl0gb9jW1B5FTBle9vlctw3Sk9AlfZB7pqwcGb2ileF5QCPHd1v3N9XFdbC +Q== Received: from nasanppmta02.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3rg7x3skw1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 28 Jun 2023 12:37:40 +0000 Received: from nasanex01c.na.qualcomm.com (nasanex01c.na.qualcomm.com [10.45.79.139]) by NASANPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 35SCbdFH010228 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 28 Jun 2023 12:37:39 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 15.2.986.42; Wed, 28 Jun 2023 05:37:33 -0700 From: Mukesh Ojha To: , , , , , , , , , , , , , , CC: , , , , , , , , "Mukesh Ojha" Subject: [PATCH v4 21/21] firmware: qcom_scm: Add multiple download mode support Date: Wed, 28 Jun 2023 18:04:48 +0530 Message-ID: <1687955688-20809-22-git-send-email-quic_mojha@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1687955688-20809-1-git-send-email-quic_mojha@quicinc.com> References: <1687955688-20809-1-git-send-email-quic_mojha@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) 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: 7N0NHCXx1HtIlnlWstC82DtCdSHMY6m1 X-Proofpoint-GUID: 7N0NHCXx1HtIlnlWstC82DtCdSHMY6m1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-06-28_08,2023-06-27_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 spamscore=0 priorityscore=1501 suspectscore=0 malwarescore=0 mlxscore=0 adultscore=0 mlxlogscore=999 lowpriorityscore=0 phishscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2306280111 Precedence: bulk List-ID: X-Mailing-List: linux-hardening@vger.kernel.org Currently, scm driver only supports full dump when download mode is selected. Add support to enable minidump as well as enable it along with fulldump. Signed-off-by: Mukesh Ojha --- drivers/firmware/qcom_scm.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c index 946cb0f76a17..52e3b613a1af 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom_scm.c @@ -31,6 +31,8 @@ static u32 download_mode; #define SCM_HAS_BUS_CLK BIT(2) #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 #define QCOM_DOWNLOAD_MODE_SHIFT 4 #define QCOM_DOWNLOAD_MODE_MASK 0x30 @@ -85,6 +87,8 @@ static const char * const qcom_scm_convention_names[] = { static const char * const download_mode_name[] = { [QCOM_DOWNLOAD_NODUMP] = "off", [QCOM_DOWNLOAD_FULLDUMP] = "full", + [QCOM_DOWNLOAD_MINIDUMP] = "mini", + [QCOM_DOWNLOAD_BOTHDUMP] = "full,mini", }; static struct qcom_scm *__scm; @@ -1465,7 +1469,7 @@ 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 are acceptable values"); + "download mode: off/full/mini/full,mini are acceptable values"); static int qcom_scm_probe(struct platform_device *pdev) {