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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 81569C433DF for ; Wed, 24 Jun 2020 01:24:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 59A482098B for ; Wed, 24 Jun 2020 01:24:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="ErO9kige" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388405AbgFXBYu (ORCPT ); Tue, 23 Jun 2020 21:24:50 -0400 Received: from mail29.static.mailgun.info ([104.130.122.29]:45620 "EHLO mail29.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388302AbgFXBYs (ORCPT ); Tue, 23 Jun 2020 21:24:48 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1592961887; h=Message-Id: Date: Subject: Cc: To: From: Sender; bh=JJjGrFrEG/JFEkkCPMYT2rqeOIB/OZvmMXY1uqNm79Q=; b=ErO9kigenF4Dd0Sn5hTrjVKLmS6BY7I/OQDMKzKp/55c7zId4ZL5vxTM2Flj6wDqehwTp6xh IBJNMn2u0TkhV4alox/yMqGTQCevtuwGPMveBowC8Y+KOGG7sTniG5dZB7/+Vn0JsCR2SxU/ O5DLHDfpzMbTlTxnUW3cGOjftf4= X-Mailgun-Sending-Ip: 104.130.122.29 X-Mailgun-Sid: WyI0MWYwYSIsICJsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n08.prod.us-east-1.postgun.com with SMTP id 5ef2ab5c356bcc26ab4f1efb (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Wed, 24 Jun 2020 01:24:44 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 8CA62C433CA; Wed, 24 Jun 2020 01:24:43 +0000 (UTC) Received: from rishabhb-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: rishabhb) by smtp.codeaurora.org (Postfix) with ESMTPSA id C44DAC433C8; Wed, 24 Jun 2020 01:24:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org C44DAC433C8 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=rishabhb@codeaurora.org From: Rishabh Bhatnagar To: linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: bjorn.andersson@linaro.org, mathieu.poirier@linaro.org, tsoni@codeaurora.org, psodagud@codeaurora.org, sidgup@codeaurora.org, Rishabh Bhatnagar Subject: [PATCH v5 0/3] Extend coredump functionality Date: Tue, 23 Jun 2020 18:24:11 -0700 Message-Id: <1592961854-634-1-git-send-email-rishabhb@codeaurora.org> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch series moves the coredump functionality to a separate file and adds "inline" coredump feature. Inline coredump directly copies segments from device memory during coredump to userspace. This avoids extra memory usage at the cost of speed. Recovery is stalled until all data is read by userspace. Changelog: v5 -> v4: - Rebase on top of linux-next v4 -> v3: - Write a helper function to copy segment memory for every dump format - Change segment dump fn to add offset and size adn covert mss driver v3 -> v2: - Move entire coredump functionality to remoteproc_coredump.c - Modify rproc_coredump to perform dump according to conf. set by userspace - Move the userspace configuration to debugfs from sysfs. - Keep the default coredump implementation as is v2 -> v1: - Introduce new file for coredump. - Add userspace sysfs configuration for dump type. Rishabh Bhatnagar (3): remoteproc: Move coredump functionality to a new file remoteproc: Add inline coredump functionality remoteproc: Add coredump debugfs entry drivers/remoteproc/Makefile | 1 + drivers/remoteproc/qcom_q6v5_mss.c | 9 +- drivers/remoteproc/remoteproc_core.c | 191 ------------------ drivers/remoteproc/remoteproc_coredump.c | 328 +++++++++++++++++++++++++++++++ drivers/remoteproc/remoteproc_debugfs.c | 86 ++++++++ drivers/remoteproc/remoteproc_internal.h | 4 + include/linux/remoteproc.h | 21 +- 7 files changed, 443 insertions(+), 197 deletions(-) create mode 100644 drivers/remoteproc/remoteproc_coredump.c -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project