From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 5042BA0529; Thu, 9 Jul 2020 18:32:50 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 0AFB51E913; Thu, 9 Jul 2020 18:32:49 +0200 (CEST) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by dpdk.org (Postfix) with ESMTP id CB0421E8E0 for ; Thu, 9 Jul 2020 18:32:46 +0200 (CEST) IronPort-SDR: tqP2NNrz/fV5/tyKgCOIY0gmlHL/ePTa4i0tMC7HW0W248CLy19vUZMX/Gqu549xTdfbYhIFil j6RJXk9Ii+Jg== X-IronPort-AV: E=McAfee;i="6000,8403,9677"; a="128104117" X-IronPort-AV: E=Sophos;i="5.75,331,1589266800"; d="scan'208";a="128104117" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jul 2020 09:32:44 -0700 IronPort-SDR: gMDQCqQ/55J2iXwk04Fg7OvOkT+ljUZIEdOr6IPHxWLmunlsaeWQ2JTVSu0smrKsYNk35AOtT1 j0FDcERxvj1A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,331,1589266800"; 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charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [PATCH v5 4/4] net/qede: add support for get register operation X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 7/8/2020 11:50 PM, Rasesh Mody wrote: > Add support for .get_reg eth_dev ops which will be used to collect the > firmware debug data. > > PMD on detecting on some HW errors will collect the FW/HW Dump to a > buffer and then it will save it to a file implemented in > qede_save_fw_dump(). > > Dump file location and name: > Location: or DPDK root > Name: qede_pmd_dump_mm-dd-yy_hh-mm-ss.bin > > DPDK applications can initiate a debug data collection by invoking DPDK > library’s rte_eth_dev_get_reg_info() API. This API invokes .get_reg() > interface in the PMD. > > PMD implementation of .get_reg() collects the FW/HW Dump, saves it to > data field of rte_dev_reg_info and passes it to the application. It’s > the responsibility of the application to save the FW/HW Dump to a file. > We recommendation using the file name format used by qede_save_fw_dump(). > > Signed-off-by: Rasesh Mody > Signed-off-by: Igor Russkikh <...> > +static int > +qede_write_fwdump(const char *dump_file, void *dump, size_t len) > +{ > + int err = 0; > + FILE *f; > + size_t bytes; > + > + f = fopen(dump_file, "wb+"); > + > + if (!f) { > + fprintf(stderr, "Can't open file %s: %s\n", > + dump_file, strerror(errno)); > + return 1; > + } > + bytes = fwrite(dump, 1, len, f); > + if (bytes != len) { > + fprintf(stderr, "Can not write all of dump data bytes=%ld len=%ld\n", > + bytes, len); Travis is giving build error on this for 32 bits [1], fixing while merging by replacing '%ld' -> '%zd', please double check in next-net. [1] ../drivers/net/qede/qede_regs.c: In function ‘qede_write_fwdump’: ../drivers/net/qede/qede_regs.c:229:59: error: format ‘%ld’ expects argument of type ‘long int’, but argument 3 has type ‘size_t {aka unsigned int}’ [-Werror=format=] fprintf(stderr, "Can not write all of dump data bytes=%ld len=%ld\n", ~~^ %d ../drivers/net/qede/qede_regs.c:229:67: error: format ‘%ld’ expects argument of type ‘long int’, but argument 4 has type ‘size_t {aka unsigned int}’ [-Werror=format=] fprintf(stderr, "Can not write all of dump data bytes=%ld len=%ld\n", ~~^ %d