From patchwork Tue Feb 9 22:20:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Gong X-Patchwork-Id: 12079319 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 42B63C433E0 for ; Tue, 9 Feb 2021 22:09:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 038B564EB8 for ; Tue, 9 Feb 2021 22:09:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233466AbhBIWIx (ORCPT ); Tue, 9 Feb 2021 17:08:53 -0500 Received: from mga02.intel.com ([134.134.136.20]:46015 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233467AbhBIWFd (ORCPT ); Tue, 9 Feb 2021 17:05:33 -0500 IronPort-SDR: zDvy7pULJjHNGe8P82SiOjTSuacS0b8RTypss7GG5fu7E8rVCCBdMOctw+dGrhZ/S+QdFDmbvC 8SLQ7TnmuG6A== X-IronPort-AV: E=McAfee;i="6000,8403,9890"; a="169094285" X-IronPort-AV: E=Sophos;i="5.81,166,1610438400"; d="scan'208";a="169094285" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Feb 2021 14:02:10 -0800 IronPort-SDR: cbHoHuIJEvgDx0sqEVNrN17jCP0tUGGQGeRJf6P+XPjmpjulXvgffbTbB0myrTFllRAtTbufVx DOGXHI7DKDDg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,166,1610438400"; d="scan'208";a="361959972" Received: from marshy.an.intel.com ([10.122.105.143]) by orsmga006.jf.intel.com with ESMTP; 09 Feb 2021 14:02:09 -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: Richard Gong Subject: [PATCHv5 4/7] fpga: fpga-mgr: add FPGA_MGR_BITSTREAM_AUTHENTICATE flag Date: Tue, 9 Feb 2021 16:20:30 -0600 Message-Id: <1612909233-13867-5-git-send-email-richard.gong@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1612909233-13867-1-git-send-email-richard.gong@linux.intel.com> References: <1612909233-13867-1-git-send-email-richard.gong@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-fpga@vger.kernel.org From: Richard Gong Add FPGA_MGR_BITSTREAM_AUTHENTICATE flag for FPGA bitstream authentication, which makes sure a signed bitstream has valid signatures. Except for the actual configuration of the device, the authentication works the same way as FPGA configuration does. If the authentication passes, the bitstream will be programmed into QSPI flash and will be expected to boot without issues. Signed-off-by: Richard Gong --- v5: no change v4: s/FPGA_MGR_BITSTREM_AUTHENTICATION/FPGA_MGR_BITSTREAM_AUTHENTICATE v3: no change v2: align all FPGA_MGR_* flags update the commit messages --- include/linux/fpga/fpga-mgr.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/fpga/fpga-mgr.h b/include/linux/fpga/fpga-mgr.h index 2bc3030..a81b3a7 100644 --- a/include/linux/fpga/fpga-mgr.h +++ b/include/linux/fpga/fpga-mgr.h @@ -67,12 +67,15 @@ enum fpga_mgr_states { * %FPGA_MGR_BITSTREAM_LSB_FIRST: SPI bitstream bit order is LSB first * * %FPGA_MGR_COMPRESSED_BITSTREAM: FPGA bitstream is compressed + * + * %FPGA_MGR_BITSTREAM_AUTHENTICATE: do FPGA bitstream authentication only */ #define FPGA_MGR_PARTIAL_RECONFIG BIT(0) #define FPGA_MGR_EXTERNAL_CONFIG BIT(1) #define FPGA_MGR_ENCRYPTED_BITSTREAM BIT(2) #define FPGA_MGR_BITSTREAM_LSB_FIRST BIT(3) #define FPGA_MGR_COMPRESSED_BITSTREAM BIT(4) +#define FPGA_MGR_BITSTREAM_AUTHENTICATE BIT(5) /** * struct fpga_image_info - information specific to a FPGA image