From mboxrd@z Thu Jan 1 00:00:00 1970 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=-4.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no 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 3F6DBC433E0 for ; Wed, 10 Jun 2020 13:56:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 20108206F7 for ; Wed, 10 Jun 2020 13:56:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591797403; bh=1Cj2Fu88LV4A1GgSyK0XUoUZIOiwmlOBdE+eZjQYBE8=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=utyBiInTZukMYyndgm3VJDrJR/9J89hrIAlXWpDZpYv4p6W7C7nixsb6tvhiMaUSx a7a3rd/C9Ep5cJqSrCw73isNcaDUbZhZMd2LdxYcwDJL3xA65DSkEEbAg6KD5yJYZg HcKUfTSdWqJtUEsTF+QqdNtVCQ/HO+NIXv5e9/f8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729595AbgFJN4l (ORCPT ); Wed, 10 Jun 2020 09:56:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:47022 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726387AbgFJN4k (ORCPT ); Wed, 10 Jun 2020 09:56:40 -0400 Received: from mail-ot1-f53.google.com (mail-ot1-f53.google.com [209.85.210.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 293A4206F7; Wed, 10 Jun 2020 13:56:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591797400; bh=1Cj2Fu88LV4A1GgSyK0XUoUZIOiwmlOBdE+eZjQYBE8=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=cxfDQV9c7q2CTPvH9bVVbFxTVYhTD/TelQG5Yq27BP7A4hg/tJgMFNm8ivwMarGjO //yBZphNP8a1ZofgNgh46xyBh6cjhJOMoAjWU/nRxi9KUj5kZvUQmlGHWfusM5T/1r qGtTogDeicpAsCSSiGjscw3KPco8jXPwv6C5TMzs= Received: by mail-ot1-f53.google.com with SMTP id k15so1749089otp.8; Wed, 10 Jun 2020 06:56:40 -0700 (PDT) X-Gm-Message-State: AOAM531m1dZIFb+1rkI4bgBKmhKAaakL2oXHRFqarWQQcjeb7xzSCGyZ z3xE15fSJTypdATcudAE3ub/b6BYsO6mgi4WEQ== X-Google-Smtp-Source: ABdhPJzmcV+9T4BOYZL9yyzPscKPz9ct+kzL7+78ybw2OrqunkEGa/Wxk94oESNvy8oQbfWj8DD4LjEjvLDexy9UwZ8= X-Received: by 2002:a9d:c29:: with SMTP id 38mr2547303otr.107.1591797399576; Wed, 10 Jun 2020 06:56:39 -0700 (PDT) MIME-Version: 1.0 References: <20200601094512.50509-1-sudeep.holla@arm.com> <20200601094512.50509-2-sudeep.holla@arm.com> <20200609223551.GA1620273@bogus> <20200610074346.GB15939@willie-the-truck> In-Reply-To: <20200610074346.GB15939@willie-the-truck> From: Rob Herring Date: Wed, 10 Jun 2020 07:56:28 -0600 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [RFC PATCH 1/3] dt-bindings: Add ARM PSA FF binding for non-secure VM partitions To: Will Deacon Cc: Sudeep Holla , devicetree@vger.kernel.org, "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , "linux-kernel@vger.kernel.org" , Marc Zyngier Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 10, 2020 at 1:43 AM Will Deacon wrote: > > On Tue, Jun 09, 2020 at 04:35:51PM -0600, Rob Herring wrote: > > On Mon, Jun 01, 2020 at 10:45:10AM +0100, Sudeep Holla wrote: > > > Add devicetree bindings for a Arm PSA FF-A compliant non-secure partition > > > at virtual interface(VMs). > > > > > > Signed-off-by: Sudeep Holla > > > --- > > > .../devicetree/bindings/arm/arm,psa-ffa.txt | 47 +++++++++++++++++++ > > > 1 file changed, 47 insertions(+) > > > create mode 100644 Documentation/devicetree/bindings/arm/arm,psa-ffa.txt > > > > I'm hoping this goes away if the firmware is discoverable, but if not DT > > bindings are DT schema now. > > We'll need the binding for the kvm host side, because there are plenty > of partition properties that are not discoverable (e.g. number of vCPUs). BTW, there's already a partitioning binding for Power in ePAPR. I've not paid much attention to it, but maybe it could be useful here. Rob From mboxrd@z Thu Jan 1 00:00:00 1970 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=-4.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 2ADD0C433DF for ; Wed, 10 Jun 2020 13:56:50 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EF9E92078C for ; Wed, 10 Jun 2020 13:56:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="pXrQ3jT/"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="cxfDQV9c" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EF9E92078C Authentication-Results: mail.kernel.org; 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Wed, 10 Jun 2020 06:56:40 -0700 (PDT) X-Gm-Message-State: AOAM5339Wfh5QPE1EqZOoyHC9zX0BrA63N0DNqnxdMyaYU0UdQVpJwKm dngDozKjoRrBOt6bmb3EiqBQjghKzrtU6rWe5A== X-Google-Smtp-Source: ABdhPJzmcV+9T4BOYZL9yyzPscKPz9ct+kzL7+78ybw2OrqunkEGa/Wxk94oESNvy8oQbfWj8DD4LjEjvLDexy9UwZ8= X-Received: by 2002:a9d:c29:: with SMTP id 38mr2547303otr.107.1591797399576; Wed, 10 Jun 2020 06:56:39 -0700 (PDT) MIME-Version: 1.0 References: <20200601094512.50509-1-sudeep.holla@arm.com> <20200601094512.50509-2-sudeep.holla@arm.com> <20200609223551.GA1620273@bogus> <20200610074346.GB15939@willie-the-truck> In-Reply-To: <20200610074346.GB15939@willie-the-truck> From: Rob Herring Date: Wed, 10 Jun 2020 07:56:28 -0600 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [RFC PATCH 1/3] dt-bindings: Add ARM PSA FF binding for non-secure VM partitions To: Will Deacon X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200610_065640_936617_B52F17CD X-CRM114-Status: GOOD ( 14.60 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Marc Zyngier , "linux-kernel@vger.kernel.org" , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , Sudeep Holla Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Jun 10, 2020 at 1:43 AM Will Deacon wrote: > > On Tue, Jun 09, 2020 at 04:35:51PM -0600, Rob Herring wrote: > > On Mon, Jun 01, 2020 at 10:45:10AM +0100, Sudeep Holla wrote: > > > Add devicetree bindings for a Arm PSA FF-A compliant non-secure partition > > > at virtual interface(VMs). > > > > > > Signed-off-by: Sudeep Holla > > > --- > > > .../devicetree/bindings/arm/arm,psa-ffa.txt | 47 +++++++++++++++++++ > > > 1 file changed, 47 insertions(+) > > > create mode 100644 Documentation/devicetree/bindings/arm/arm,psa-ffa.txt > > > > I'm hoping this goes away if the firmware is discoverable, but if not DT > > bindings are DT schema now. > > We'll need the binding for the kvm host side, because there are plenty > of partition properties that are not discoverable (e.g. number of vCPUs). BTW, there's already a partitioning binding for Power in ePAPR. I've not paid much attention to it, but maybe it could be useful here. Rob _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel