From patchwork Tue Oct 9 16:23:39 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sibi Sankar X-Patchwork-Id: 10632931 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 A679615E8 for ; Tue, 9 Oct 2018 16:24:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9BCC328BE1 for ; Tue, 9 Oct 2018 16:24:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9006928F1C; Tue, 9 Oct 2018 16:24:36 +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=unavailable 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 8CFB528BE1 for ; Tue, 9 Oct 2018 16:24:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727033AbeJIXmG (ORCPT ); Tue, 9 Oct 2018 19:42:06 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:42760 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726568AbeJIXmF (ORCPT ); Tue, 9 Oct 2018 19:42:05 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id DB3B860B7A; Tue, 9 Oct 2018 16:24:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1539102262; bh=GebfFgA5Jw4id9n0VL+ATVp4DBrrFQQM1cn3khFevwQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gKF671hkqruUO5yxVRJ/QJzImzhN/kEgi2ryDlcrLTn9rE/7OhVmfPqUvYhu84LW1 EtVnE3QrScKDEgRygXbwwq4kURYOjWKB8wbJNFfGkW0r5Ejj0ybNOAOxyI/P5d1j2E y/rUXgMJuzZk+mEIyWmD1PeANC4eG0W1S76+WvGU= 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 218EA60388; Tue, 9 Oct 2018 16:24:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1539102260; bh=GebfFgA5Jw4id9n0VL+ATVp4DBrrFQQM1cn3khFevwQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=V79p8rxUCLwbhKkpyhfWBs15QA1QYKazx1OpHqgJUtbUqbHgB0GiD06xsnLeB6RlB TeAmpZ9sQzGUdPoJY+7fHkpcJSLnnvwXskpTS6Gv3k69d2uLCLl6mGIL9J2mZmNCYY g1qRlq0QwQZmYBNdgQFYYwYMOKT+v1FhcGAZu8z4= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 218EA60388 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 v4 5/5] remoteproc: qcom: q6v5-mss: Register segments/dumpfn for coredump Date: Tue, 9 Oct 2018 21:53:39 +0530 Message-Id: <20181009162339.30522-6-sibis@codeaurora.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181009162339.30522-1-sibis@codeaurora.org> References: <20181009162339.30522-1-sibis@codeaurora.org> MIME-Version: 1.0 Sender: linux-remoteproc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@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 | 43 ++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c index 85db95bfd355..bece5dd46bca 100644 --- a/drivers/remoteproc/qcom_q6v5_mss.c +++ b/drivers/remoteproc/qcom_q6v5_mss.c @@ -1065,10 +1065,53 @@ 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 segment_cnt = 0; + int ret; + int i; + + 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); + + 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 *)segment_cnt, + qcom_q6v5_dump_segment); + if (ret) + break; + + segment_cnt++; + } + + qproc->dump_segment_cnt = segment_cnt; + 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, };