From patchwork Fri Nov 24 22:19:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mukesh Ojha X-Patchwork-Id: 13468157 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="NlZsgL6Q" Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 854AB198D; Fri, 24 Nov 2023 14:21:25 -0800 (PST) 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 3AOLkw7H012282; Fri, 24 Nov 2023 22:21:04 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=6mwvu7xKz6N9G240sW8qG833kZvQJY4H+Sm3Z0bePUs=; b=NlZsgL6QYKbKWXjTsdUl2Oe7JUrw0shRmfN4Y6PdyTQI0tKRN3sC2FuacBbaHAW2f9j7 a7f8HZfSfIvixqb0E4IdgCQWkjtyNR6dh3ES519Sq6850XiDT+dGG95F0vKx82ywjr81 STPGTADz03RwZBgy+JKlVWAGaIza+5dqSaBJlPX6K/ecpcBYJYZ97frx+pSqO/ZkoOk4 JQ9Fn2sHZ7soHTlKdRbJazIWrWa+xSdACqo1Y+dszKG3r7lia/wIFWlHXEzf0RMQgMdU +A2QvitpjIZ54KrCw80hoH/EY202/1ATaAXI0DEYpahNYnMFK9DUlKeD4foCp9ev+QRN kQ== Received: from nasanppmta04.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3uj4hwm10e-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 24 Nov 2023 22:21:04 +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 3AOMKfch015479 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 24 Nov 2023 22:20:41 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 15.2.1118.40; Fri, 24 Nov 2023 14:20:31 -0800 From: Mukesh Ojha To: , , , , , , , , , , , , , , , , CC: , , , , , , , , , Mukesh Ojha Subject: [Patch v6 02/12] firmware/qcom: qcom_scm: Add multiple download mode support Date: Sat, 25 Nov 2023 03:49:45 +0530 Message-ID: <1700864395-1479-3-git-send-email-quic_mojha@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1700864395-1479-1-git-send-email-quic_mojha@quicinc.com> References: <1700864395-1479-1-git-send-email-quic_mojha@quicinc.com> Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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-GUID: PhexFHj7k_YiyTvntEHtlLIbg_Sf52Hi X-Proofpoint-ORIG-GUID: PhexFHj7k_YiyTvntEHtlLIbg_Sf52Hi X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-24_09,2023-11-22_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 malwarescore=0 priorityscore=1501 bulkscore=0 mlxscore=0 mlxlogscore=999 suspectscore=0 phishscore=0 spamscore=0 lowpriorityscore=0 clxscore=1015 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311240174 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/qcom_scm.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c index c5878c38f378..70bb59992fb9 100644 --- a/drivers/firmware/qcom/qcom_scm.c +++ b/drivers/firmware/qcom/qcom_scm.c @@ -123,6 +123,8 @@ static const u8 qcom_scm_cpu_warm_bits[QCOM_SCM_BOOT_MAX_CPUS] = { enum qcom_dload_mode { QCOM_DLOAD_NODUMP = 0, QCOM_DLOAD_FULLDUMP = 1, + QCOM_DLOAD_MINIDUMP = 2, + QCOM_DLOAD_BOTHDUMP = 3, }; static const char * const qcom_scm_convention_names[] = { @@ -135,6 +137,8 @@ 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; @@ -1881,7 +1885,7 @@ 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) {