From mboxrd@z Thu Jan 1 00:00:00 1970 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 23D02C07545 for ; Tue, 24 Oct 2023 14:25:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343771AbjJXOZT (ORCPT ); Tue, 24 Oct 2023 10:25:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47068 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234717AbjJXOZO (ORCPT ); Tue, 24 Oct 2023 10:25:14 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6734110C8; Tue, 24 Oct 2023 07:25:11 -0700 (PDT) Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 39ODrxKR001519; Tue, 24 Oct 2023 14:25:08 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=message-id : date : mime-version : subject : to : cc : references : from : in-reply-to : content-type : content-transfer-encoding; s=qcppdkim1; bh=3jI3kYo6MSjoZXwrxGZSSAnW85dfc/1b0/rMXhFki8s=; b=A8algEI68zxhUwb0GIR3ZUn62JOoMI5rg7yQ/HesbTjMA3pvobslekfU6V5pPTJtl1rG X0EMzTw/HtH7QtIrYkyaK5JNe/xBGXi/P3p2XYCAr/amiNMlrxCYWmnRX2OQW8H9QA1V 03VqoKEiOYhV4aE/mv04QhLJjLZ+QMxJHWgDqFHVyr5IN++hhyKWlsLx539wDHP/rJxL RcUev3AvLyDTvDzFOQKuCDPA7R/L5IJZ1bmFZDi3GKKjEEsNGbs69Weuac1E6j5Jngt3 i8yKV9ra/POlQVP78vTI8ibAqYJWEC+I2MlvFHIj3CyAHN4HJgfN1TkHdaBbtj/1/Shb Vw== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3twtxwtnra-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 24 Oct 2023 14:25:08 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 39OEP7Qq030556 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 24 Oct 2023 14:25:07 GMT Received: from [10.48.243.236] (10.49.16.6) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.39; Tue, 24 Oct 2023 07:25:04 -0700 Message-ID: Date: Tue, 24 Oct 2023 07:25:03 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 0/5] soc/arm64: qcom: add initial version of memory dump Content-Language: en-US To: Zhenhua Huang , Konrad Dybcio , , , , , CC: , , , , References: <1698052857-6918-1-git-send-email-quic_zhenhuah@quicinc.com> <757382c1-142b-454c-b2b5-7ec97bd7328d@linaro.org> From: Jeff Johnson In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01b.na.qualcomm.com (10.47.209.197) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: auGaGknsxaKm8eBOzPJWInTVbC7XxVvJ X-Proofpoint-GUID: auGaGknsxaKm8eBOzPJWInTVbC7XxVvJ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-10-24_14,2023-10-24_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 priorityscore=1501 clxscore=1011 phishscore=0 adultscore=0 spamscore=0 malwarescore=0 bulkscore=0 impostorscore=0 suspectscore=0 mlxscore=0 mlxlogscore=622 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2310170001 definitions=main-2310240124 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/24/2023 3:10 AM, Zhenhua Huang wrote: > > > On 2023/10/23 21:50, Konrad Dybcio wrote: >> On 23.10.2023 11:20, Zhenhua Huang wrote: >>> Qualcomm memory dump driver is to cooperate with firmware, providing the >> Firmware == The hypervisor? The TZ? Some uncore chip? > > It's part of bootloader which also needs to cooperate with TZ. After > system crash and warm reset, system enters debug mode which needs the > dump table. When you re-spin can you be clear about for which firmware this is applicable? On a Qualcomm SoC there are multiple integrated peripherals with their own firmware, so it is important to clarify which ones can utilize this framework. /jeff