From patchwork Mon Jan 25 20:56:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Gong X-Patchwork-Id: 12044317 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=-16.8 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 9B655C4332B for ; Mon, 25 Jan 2021 20:40:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 677B622A84 for ; Mon, 25 Jan 2021 20:40:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732403AbhAYUkK (ORCPT ); Mon, 25 Jan 2021 15:40:10 -0500 Received: from mga04.intel.com ([192.55.52.120]:37447 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732398AbhAYUkC (ORCPT ); Mon, 25 Jan 2021 15:40:02 -0500 IronPort-SDR: K4rDd15j/Ct6bo/zcS8HEQq9B9bjWvN1W4kIYdg49DWIVZwx4RFCSV0IzSQK1Lxh587gS+n0KW uH2GmV97pW4A== X-IronPort-AV: E=McAfee;i="6000,8403,9875"; a="177227338" X-IronPort-AV: E=Sophos;i="5.79,374,1602572400"; d="scan'208";a="177227338" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2021 12:36:46 -0800 IronPort-SDR: j1HM3iGLs+zvwfJH2yjR7azAsRocXpH/VRu+E48Vt1Jve73RWTAKaxoFOYfjpPxtT2Lk+2H8kV tYddRI6XzVuA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.79,374,1602572400"; d="scan'208";a="504283183" Received: from marshy.an.intel.com ([10.122.105.143]) by orsmga004.jf.intel.com with ESMTP; 25 Jan 2021 12:36:46 -0800 From: richard.gong@linux.intel.com To: mdf@kernel.org, trix@redhat.com, gregkh@linuxfoundation.org, linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org Cc: dinguyen@kernel.org, sridhar.rajagopal@intel.com, Richard Gong Subject: [PATCHv3 4/6] fpga: of-fpga-region: add authenticate-fpga-config property Date: Mon, 25 Jan 2021 14:56:26 -0600 Message-Id: <1611608188-25621-5-git-send-email-richard.gong@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1611608188-25621-1-git-send-email-richard.gong@linux.intel.com> References: <1611608188-25621-1-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 --- v3: no change 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;