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[23.128.96.18]) by mx.google.com with ESMTP id k6si12358039edr.114.2020.11.16.05.44.51; Mon, 16 Nov 2020 05:45:15 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728759AbgKPNlO (ORCPT + 99 others); Mon, 16 Nov 2020 08:41:14 -0500 Received: from mga12.intel.com ([192.55.52.136]:25578 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726308AbgKPNlO (ORCPT ); Mon, 16 Nov 2020 08:41:14 -0500 IronPort-SDR: rZvpLIJpOasLY/TU7eAth9BKoi6wWHjUDc0+oIQedtkCh0qs6bsblq/9i4bpWgiYHv6sGERQbi z/TZ0WfG3xKA== X-IronPort-AV: E=McAfee;i="6000,8403,9806"; a="150014076" X-IronPort-AV: E=Sophos;i="5.77,482,1596524400"; d="scan'208";a="150014076" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Nov 2020 05:41:12 -0800 IronPort-SDR: swU2rUbezx+UIdXuRC9aauE+YsaYeddYl8bmNS5VJY5BJml+zloOZ7N8cO1Xd2Av/pz18eVS8G ZulkFewp9iMQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,482,1596524400"; d="scan'208";a="531849280" Received: from marshy.an.intel.com (HELO [10.122.105.143]) ([10.122.105.143]) by fmsmga006.fm.intel.com with ESMTP; 16 Nov 2020 05:41:12 -0800 Subject: Re: [PATCHv1 0/4] Extend FPGA manager and region drivers for To: Xu Yilun Cc: mdf@kernel.org, trix@redhat.com, linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org, dinguyen@kernel.org, sridhar.rajagopal@intel.com, Richard Gong References: <1605204403-6663-1-git-send-email-richard.gong@linux.intel.com> <20201116024147.GA8715@yilunxu-OptiPlex-7050> From: Richard Gong Message-ID: <051c9fce-339f-de5e-1fb8-311b36e80c79@linux.intel.com> Date: Mon, 16 Nov 2020 08:02:13 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20201116024147.GA8715@yilunxu-OptiPlex-7050> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Yilun, On 11/15/20 8:41 PM, Xu Yilun wrote: > On Thu, Nov 12, 2020 at 12:06:39PM -0600, richard.gong@linux.intel.com wrote: >> From: Richard Gong >> >> The customer wants to verify that a FPGA bitstream can be started properly >> before saving the bitstream to the QSPI flash memory. >> >> The customer sends the bitstream via FPGA framework and overlay, the >> firmware will authenticate the bitstream but not program the bitstream to >> device. If the authentication passes, the bitstream will be programmed into >> QSPI flash and will be expected to boot without issues. > > So when we have successfully reprogramed region with the > FPGA_MGR_BITSTREM_AUTHENTICATION flag, the bitstream in QSPI flash is > updated but not activated, we need an FPGA reboot to activate it, is it? > Correct. If the authentication passes, the bitstream will be programmed into QSPI flash and will be expected to boot without issues. > Thanks, > Yilun > >> >> Extend FPGA manager and region drivers to support the bitstream >> authentication feature. >> >> Richard Gong (4): >> fpga: fpga-mgr: add FPGA_MGR_BITSTREM_AUTHENTICATION flag >> fpga: of-fpga-region: add authenticate-fpga-config property >> dt-bindings: fpga: add authenticate-fpga-config property >> fpga: stratix10-soc: entend driver for bitstream authentication >> >> Documentation/devicetree/bindings/fpga/fpga-region.txt | 1 + >> drivers/fpga/of-fpga-region.c | 3 +++ >> drivers/fpga/stratix10-soc.c | 5 ++++- >> include/linux/fpga/fpga-mgr.h | 3 +++ >> 4 files changed, 11 insertions(+), 1 deletion(-) >> >> -- >> 2.7.4