From patchwork Mon Dec 14 14:39:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Gong X-Patchwork-Id: 11972265 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 7D481C2BB48 for ; Mon, 14 Dec 2020 14:23:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3502922C7B for ; Mon, 14 Dec 2020 14:23:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731118AbgLNOWv (ORCPT ); Mon, 14 Dec 2020 09:22:51 -0500 Received: from mga14.intel.com ([192.55.52.115]:1154 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726752AbgLNOWo (ORCPT ); Mon, 14 Dec 2020 09:22:44 -0500 IronPort-SDR: Ty3NwGdCMTz0q/IV/7XmdHEqH0kVIVq0bv4kcJIRfkZDVeTowlDzJ4GMB9hlNfnNod7ilZc/Nu STnVNd0PBbzA== X-IronPort-AV: E=McAfee;i="6000,8403,9834"; a="173941501" X-IronPort-AV: E=Sophos;i="5.78,419,1599548400"; d="scan'208";a="173941501" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Dec 2020 06:19:10 -0800 IronPort-SDR: OAR0q16NbdW5qHAEGWS48EcuhcAysV1x45B8emAw+bcRmLGQvDe1nZSeLJJUzvLpBMGB4il7hR cwmmtuSCxmuA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.78,419,1599548400"; d="scan'208";a="333456258" Received: from marshy.an.intel.com ([10.122.105.143]) by fmsmga008.fm.intel.com with ESMTP; 14 Dec 2020 06:18:47 -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 Subject: [RESEND PATCHv2 3/5] fpga: of-fpga-region: add authenticate-fpga-config property Date: Mon, 14 Dec 2020 08:39:58 -0600 Message-Id: <1607956800-28476-4-git-send-email-richard.gong@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1607956800-28476-1-git-send-email-richard.gong@linux.intel.com> References: <1607956800-28476-1-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;