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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id D082CC30653 for ; Mon, 1 Jul 2024 11:57:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=i2GrI1+BjcvinAUgYS2xdk0B/M+YXUdMPCcgJxBVgh4=; b=JkP+xEnpyI41IqTQv0zjtBnQpM jhF51xhkVuIWe15HY+mj2dFmOYiIauUAQ8jZ6z+6CuP9yONa0E3kW8V8cqsyM2v+3L45f2Ne+nw6M yB2Ve2n55SpS6Rbv8Cxi7NuZimElpX+csZIxaVsTG5nIw+4cwc8puM9Q6RCrzpbTnkP/9aei+sfU/ dfTFxhir/90VRM2V9oDWnrggfhMlQb70TATq8XIZI7y/Vca0pc1erRk3ORRLMVVxUDGmkESs7h5Jo bXh5zir9Lj61MAf79HtAEa3sVKVd8pNLq6R54tzOzw6zBpjbyzHm52Bcv2eGr4X+Kc+ePFF07AvXv 7mpn8Fvw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sOFfD-00000002zAb-2HIr; Mon, 01 Jul 2024 11:57:43 +0000 Received: from sin.source.kernel.org ([145.40.73.55]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sOFf3-00000002z7V-0Yi2 for linux-arm-kernel@lists.infradead.org; Mon, 01 Jul 2024 11:57:34 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id CF184CE10BD; Mon, 1 Jul 2024 11:57:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2F873C116B1; Mon, 1 Jul 2024 11:57:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1719835050; bh=hzmzErIa14odgkFiGOmGNMUeyolu8zX2etABDTkla90=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=G56Y/Su9chR8vStNUMCKGsKq5ePJtlZMhhpmqlWbeUKuCdMezGkSAOL4jSl7YA/QL BzMU38h/Vrvdzs2VzOKYtvX3E1Tnxzi4KzFRIOpJprR+S4R9A8GCMi7TlJQ4WpF0+O Ldwkd4eNZelD9OF/h+XsnYXqqTbF8DlwOsI507GJThGgy/GeT6pB0N0Z359w/YY+TW INT+nuTow3N94NRCEx4hPHqbaVJDx0tyI39Ic0bkqavKJmG7ThRO9haz0UYUO4dAot tf1B97UsuPagnlL4mAiTJXOhGXN7Wajm1Itm8P3QpLtXVF2oJ8kMo+sevRAVYAciwO oH/sSRSmOsOYQ== Date: Mon, 1 Jul 2024 12:57:23 +0100 From: Will Deacon To: Jean-Philippe Brucker Cc: lpieralisi@kernel.org, kw@linux.com, robh@kernel.org, bhelgaas@google.com, krzk+dt@kernel.org, conor+dt@kernel.org, liviu.dudau@arm.com, sudeep.holla@arm.com, joro@8bytes.org, robin.murphy@arm.com, nicolinc@nvidia.com, ketanp@nvidia.com, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, devicetree@vger.kernel.org Subject: Re: [PATCH v2 0/3] Enable PCIe ATS for devicetree boot Message-ID: <20240701115723.GA1732@willie-the-truck> References: <20240607105415.2501934-2-jean-philippe@linaro.org> <20240701102400.GA2414@myrica> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240701102400.GA2414@myrica> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240701_045733_369003_521AA48F X-CRM114-Status: GOOD ( 14.12 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Jul 01, 2024 at 11:24:00AM +0100, Jean-Philippe Brucker wrote: > On Fri, Jun 07, 2024 at 11:54:13AM +0100, Jean-Philippe Brucker wrote: > > Before enabling Address Translation Support (ATS) in endpoints, the OS > > needs to confirm that the Root Complex supports it. Obtain this > > information from the firmware description since there is no architected > > method. ACPI provides a bit via IORT tables, so add the devicetree > > equivalent. > > > > Since v1 [1] I added the review and ack tags, thanks all. This should be > > ready to go via the IOMMU tree. > > This series enables ATS for devicetree boot, and is needed on an Nvidia > system: https://lore.kernel.org/linux-arm-kernel/ZeJP6CwrZ2FSbTYm@Asurada-Nvidia/ > > Would you mind picking it up for v6.11? I'll take a look. Will