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[23.128.96.18]) by mx.google.com with ESMTP id i18si11023434edy.422.2020.11.15.11.24.51; Sun, 15 Nov 2020 11:25:28 -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=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727664AbgKOTVJ (ORCPT + 99 others); Sun, 15 Nov 2020 14:21:09 -0500 Received: from mail-pf1-f181.google.com ([209.85.210.181]:40376 "EHLO mail-pf1-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727418AbgKOTVI (ORCPT ); Sun, 15 Nov 2020 14:21:08 -0500 Received: by mail-pf1-f181.google.com with SMTP id w14so11327823pfd.7; Sun, 15 Nov 2020 11:21:08 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=1r/5zes/ZNeiDOhwDFXJZan/EFt94KTzKd4mDIl9p/c=; b=iUPKKsNl9UGk5nmXN4ONlArMZkvb2/jbgzGJmwZwNcbrVGWDpMsRHH4CL8p4rVRjJJ L7V2hfBeqwP3I8Zm9lekNr9Oq5eEqPexviQPdhOVV18AwBP7SRO/EAOGmpcP1/Kiqj0Q 7IVgG33FF32v+abErd/DfXkgt+G51DPbNeED5e/p3jc+eA4kuPGKfWj03f5sUusbWXK1 zcVOdo8lRBz1rUqgkU7D1KOTBYCRimPsWc9UNsK3o7fnoZA0iGYfQl3BkmmqCzpMhJXi siqi8a3gzN5uKOQ5wIaTwccEFEqWNu5tkMi0HnY6le0YQciWWMPpKfB6Z7ihef1/NFyO h7hg== X-Gm-Message-State: AOAM530g1trzOWaXTTkLGR5nCQxhVDacSOzXt0JBlz2exwwXx9oyuUuA 01+zatqL3rBwoakJ8M4IC2TwrCTnzfk= X-Received: by 2002:a63:381:: with SMTP id 123mr10640542pgd.112.1605468067918; Sun, 15 Nov 2020 11:21:07 -0800 (PST) Received: from localhost ([2601:647:5b00:1161:a4cc:eef9:fbc0:2781]) by smtp.gmail.com with ESMTPSA id r2sm15457719pji.55.2020.11.15.11.21.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 15 Nov 2020 11:21:07 -0800 (PST) Date: Sun, 15 Nov 2020 11:21:06 -0800 From: Moritz Fischer To: richard.gong@linux.intel.com 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 Subject: Re: [PATCHv1 3/4] dt-bindings: fpga: add authenticate-fpga-config property Message-ID: <20201115192106.GB283592@epycbox.lan> References: <1605204403-6663-1-git-send-email-richard.gong@linux.intel.com> <1605204403-6663-4-git-send-email-richard.gong@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1605204403-6663-4-git-send-email-richard.gong@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Richard, On Thu, Nov 12, 2020 at 12:06:42PM -0600, richard.gong@linux.intel.com wrote: > From: Richard Gong > > Add authenticate-fpga-config property for FPGA bitstream authentication. > > Signed-off-by: Richard Gong > --- > Documentation/devicetree/bindings/fpga/fpga-region.txt | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/Documentation/devicetree/bindings/fpga/fpga-region.txt b/Documentation/devicetree/bindings/fpga/fpga-region.txt > index e811cf8..7a512bc 100644 > --- a/Documentation/devicetree/bindings/fpga/fpga-region.txt > +++ b/Documentation/devicetree/bindings/fpga/fpga-region.txt > @@ -187,6 +187,7 @@ Optional properties: > - external-fpga-config : boolean, set if the FPGA has already been configured > prior to OS boot up. > - encrypted-fpga-config : boolean, set if the bitstream is encrypted > +- authenticate-fpga-config : boolean, set if do bitstream authentication It is unclear to me from the description whether this entails authentication + reconfiguration or just authentication. If the latter is the case this should probably be described as such. > - region-unfreeze-timeout-us : The maximum time in microseconds to wait for > bridges to successfully become enabled after the region has been > programmed. > -- > 2.7.4 > Thanks