From patchwork Wed Nov 18 14:29:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Gong X-Patchwork-Id: 11915193 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 3CF2CC64E69 for ; Wed, 18 Nov 2020 14:09:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D2EC22224C for ; Wed, 18 Nov 2020 14:09:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726775AbgKROJF (ORCPT ); Wed, 18 Nov 2020 09:09:05 -0500 Received: from mga18.intel.com ([134.134.136.126]:44063 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726714AbgKROJD (ORCPT ); Wed, 18 Nov 2020 09:09:03 -0500 IronPort-SDR: 3qMAYDVavMqhB0i4fbq04ncevTUdLdCucjkKeHlqZ3z+/yL0cEalEFW6IlBLx+Es4mtg+pPakk aoQWudk/m5ZQ== X-IronPort-AV: E=McAfee;i="6000,8403,9808"; a="158892815" X-IronPort-AV: E=Sophos;i="5.77,486,1596524400"; d="scan'208";a="158892815" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Nov 2020 06:09:02 -0800 IronPort-SDR: g91f9M9sTZQ1rAMbTLTHR7LaKCSrbyLbvXkY71SghjPqQOc9S3bSMrdnz2cQ63rNvkCnDNgPeS P9xuzVTYSgmA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,486,1596524400"; d="scan'208";a="325596908" Received: from marshy.an.intel.com ([10.122.105.143]) by orsmga003.jf.intel.com with ESMTP; 18 Nov 2020 06:09:02 -0800 From: richard.gong@linux.intel.com To: gregkh@linuxfoundation.org, mdf@kernel.org, trix@redhat.com, linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org Cc: dinguyen@kernel.org, sridhar.rajagopal@intel.com, richard.gong@linux.intel.com, richard.gong@intel.com Subject: [PATCHv2 3/5] fpga: of-fpga-region: add authenticate-fpga-config property Date: Wed, 18 Nov 2020 08:29:11 -0600 Message-Id: <1605709753-7800-4-git-send-email-richard.gong@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1605709753-7800-1-git-send-email-richard.gong@linux.intel.com> References: <1605709753-7800-1-git-send-email-richard.gong@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-fpga@vger.kernel.org From: Richard Gong Add authenticate-fpga-config property to support FPGA bitstream authentication, which makes sure a signed bitstream has valid signatures. Signed-off-by: Richard Gong --- v2: changed in alphabetical order --- drivers/fpga/of-fpga-region.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/fpga/of-fpga-region.c b/drivers/fpga/of-fpga-region.c index e405309..3840883 100644 --- a/drivers/fpga/of-fpga-region.c +++ b/drivers/fpga/of-fpga-region.c @@ -219,6 +219,9 @@ static struct fpga_image_info *of_fpga_region_parse_ov( info->overlay = overlay; /* Read FPGA region properties from the overlay */ + if (of_property_read_bool(overlay, "authenticate-fpga-config")) + info->flags |= FPGA_MGR_BITSTREM_AUTHENTICATION; + if (of_property_read_bool(overlay, "partial-fpga-config")) info->flags |= FPGA_MGR_PARTIAL_RECONFIG;