From patchwork Mon Sep 11 10:53:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mukesh Ojha X-Patchwork-Id: 13379976 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 0849DCA0EC0 for ; Mon, 11 Sep 2023 21:36:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242107AbjIKV17 (ORCPT ); Mon, 11 Sep 2023 17:27:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59066 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236560AbjIKK5Y (ORCPT ); Mon, 11 Sep 2023 06:57:24 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 59FA4F3; Mon, 11 Sep 2023 03:57:20 -0700 (PDT) Received: from pps.filterd (m0279867.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38B8OB3K008351; Mon, 11 Sep 2023 10:56:48 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=9t/tuA65wT0eZs+b0FA+a9eyUdqc9XfGqsquufrPl3g=; b=FWWZNxG+O2+uA+DwGV1qVHrjVMFmeh9kWdfvWVPwC2fPwRF2oHYHPjsKGQQQpZFy7b50 f2CJw4ttx2YHBLGnARyuV+ha1qqkyGL9ZVds5YFP9/sIjMUUPirEw1C4ZEA1bXzKkWMm YZ03/7TxwQ+XUBueCNXzjm8SjpUFmVxTOmaieUwlcXRa+Co2F3IqPPbsOClf9F9G4Ii2 nzJ0Xx5Twl+epOq78ic7rKAYyVahUp2B9fif08KVMV1S6Oz71rpNjZ1Tbf4XEPhWImHF HVm04C+ICiSQJJi2HbWKipeFq5epohRw0Yx+z9ST0Z2e0OvPe/e3pv+KpxJKGyQttRBf wQ== Received: from nasanppmta04.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3t0edmkqaq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 11 Sep 2023 10:56:48 +0000 Received: from nasanex01c.na.qualcomm.com (nasanex01c.na.qualcomm.com [10.45.79.139]) by NASANPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 38BAuloX018357 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 11 Sep 2023 10:56:47 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 15.2.1118.36; Mon, 11 Sep 2023 03:56:37 -0700 From: Mukesh Ojha To: , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , , , , , Subject: [REBASE PATCH v5 17/17] firmware: qcom_scm: Add multiple download mode support Date: Mon, 11 Sep 2023 16:23:59 +0530 Message-ID: <1694429639-21484-18-git-send-email-quic_mojha@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1694429639-21484-1-git-send-email-quic_mojha@quicinc.com> References: <1694429639-21484-1-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: YujbjpjEHNqq676eggwCrMIBo858Mw88 X-Proofpoint-GUID: YujbjpjEHNqq676eggwCrMIBo858Mw88 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-11_06,2023-09-05_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 priorityscore=1501 mlxlogscore=999 malwarescore=0 spamscore=0 impostorscore=0 lowpriorityscore=0 clxscore=1015 phishscore=0 mlxscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309110099 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 4ecdb0d025a4..c70ab9afd3cb 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom_scm.c @@ -34,6 +34,8 @@ static u32 download_mode; #define QCOM_DLOAD_MASK GENMASK(5, 4) #define QCOM_DLOAD_FULLDUMP 0x1 +#define QCOM_DLOAD_MINIDUMP 0x2 +#define QCOM_DLOAD_BOTHDUMP (QCOM_DLOAD_FULLDUMP | QCOM_DLOAD_MINIDUMP) #define QCOM_DLOAD_NODUMP 0x0 struct qcom_scm { @@ -86,6 +88,8 @@ static const char * const qcom_scm_convention_names[] = { static const char * const download_mode_name[] = { [QCOM_DLOAD_NODUMP] = "off", [QCOM_DLOAD_FULLDUMP] = "full", + [QCOM_DLOAD_MINIDUMP] = "mini", + [QCOM_DLOAD_BOTHDUMP] = "full,mini", }; static struct qcom_scm *__scm; @@ -1470,7 +1474,7 @@ 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) {