From patchwork Wed Oct 17 13:55:27 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sibi Sankar X-Patchwork-Id: 10645671 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A205D15E2 for ; Wed, 17 Oct 2018 13:56:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8ED3C2AE9A for ; Wed, 17 Oct 2018 13:56:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 82E6A2AEAB; Wed, 17 Oct 2018 13:56:14 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2D3052AE9A for ; Wed, 17 Oct 2018 13:56:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727050AbeJQVwC (ORCPT ); Wed, 17 Oct 2018 17:52:02 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:44534 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727024AbeJQVwC (ORCPT ); Wed, 17 Oct 2018 17:52:02 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 3CEE161323; Wed, 17 Oct 2018 13:56:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1539784572; bh=+LblrXMLhtDQ9Kdc3zpoX4sqvJus1UMjS5/fDiaXT64=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VT3MTbU33k5rppo7Bbg41U9AOPHQ/0NYt/Cm/3B9nO3YVP06uEW4IzQ3fut5GlZ9V KjSdbpzaLdP+m2Z1mpMnbi78/FRbVyqNbbriRP/IJ+GeeZoU/INNx6yNCIwvVmiQqC EMMtijOBT6SVUycOswFyRwNeanKADPH4+yY5VCWc= Received: from blr-ubuntu-87.qualcomm.com (blr-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: sibis@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 98A9261400; Wed, 17 Oct 2018 13:56:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1539784571; bh=+LblrXMLhtDQ9Kdc3zpoX4sqvJus1UMjS5/fDiaXT64=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IV/8CfOjzdQeMbL7ub/51AcPjN5bYP2ThGz85hI0iH6ZA80CHilEyBcQTmM0Y3+NH bqKXK7x0g9MTvBrDB4ygBiKLmzb6KCG19ON9Pj1oO2LmlOUzx6ZM0FewUPseCMovAP 2IPfPR0XI25VnLWSBh9A+LxfO44lWobeLl2KZg2E= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 98A9261400 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=sibis@codeaurora.org From: Sibi Sankar To: bjorn.andersson@linaro.org, ohad@wizery.com Cc: linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, tsoni@codeaurora.org, sricharan@codeaurora.org, akdwived@codeaurora.org, kyan@codeaurora.org, Sibi Sankar Subject: [PATCH v5 5/5] remoteproc: qcom: q6v5-mss: Register segments/dumpfn for coredump Date: Wed, 17 Oct 2018 19:25:27 +0530 Message-Id: <20181017135527.30592-6-sibis@codeaurora.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181017135527.30592-1-sibis@codeaurora.org> References: <20181017135527.30592-1-sibis@codeaurora.org> MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Register the MDT segments, custom dumpfn and private data with the remoteproc core dump functionality. Signed-off-by: Sibi Sankar --- drivers/remoteproc/qcom_q6v5_mss.c | 42 ++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c index 0d3b9d70823e..8ceebde75d02 100644 --- a/drivers/remoteproc/qcom_q6v5_mss.c +++ b/drivers/remoteproc/qcom_q6v5_mss.c @@ -1064,10 +1064,52 @@ static void *q6v5_da_to_va(struct rproc *rproc, u64 da, int len) return qproc->mpss_region + offset; } +static int qcom_q6v5_register_dump_segments(struct rproc *rproc, + const struct firmware *mba_fw) +{ + const struct firmware *fw; + const struct elf32_phdr *phdrs; + const struct elf32_phdr *phdr; + const struct elf32_hdr *ehdr; + struct q6v5 *qproc = rproc->priv; + unsigned long i; + int ret; + + ret = request_firmware(&fw, "modem.mdt", qproc->dev); + if (ret < 0) { + dev_err(qproc->dev, "unable to load modem.mdt\n"); + return ret; + } + + ehdr = (struct elf32_hdr *)fw->data; + phdrs = (struct elf32_phdr *)(ehdr + 1); + qproc->dump_complete_mask = 0; + + for (i = 0; i < ehdr->e_phnum; i++) { + phdr = &phdrs[i]; + + if (!q6v5_phdr_valid(phdr)) + continue; + + ret = rproc_coredump_add_custom_segment(rproc, phdr->p_paddr, + phdr->p_memsz, + (void *)i, + qcom_q6v5_dump_segment); + if (ret) + break; + + qproc->dump_complete_mask |= BIT(i); + } + + release_firmware(fw); + return ret; +} + static const struct rproc_ops q6v5_ops = { .start = q6v5_start, .stop = q6v5_stop, .da_to_va = q6v5_da_to_va, + .parse_fw = qcom_q6v5_register_dump_segments, .load = q6v5_load, };