From patchwork Wed Mar 11 12:44:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jean-Philippe Brucker X-Patchwork-Id: 1252876 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=FXsN33Jo; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48csD969N9z9sTG for ; Wed, 11 Mar 2020 23:47:05 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729439AbgCKMq4 (ORCPT ); Wed, 11 Mar 2020 08:46:56 -0400 Received: from mail-wr1-f68.google.com ([209.85.221.68]:42442 "EHLO mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729402AbgCKMq4 (ORCPT ); Wed, 11 Mar 2020 08:46:56 -0400 Received: by mail-wr1-f68.google.com with SMTP id v11so2423219wrm.9 for ; Wed, 11 Mar 2020 05:46:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=9aHr7/EWopa+d5MVT7UWPgRiU9Syfo6iTheTFisLSBg=; b=FXsN33JoJealTXC3dRRue6HkzhWSIRjvlNRUP49llb/Tp1/P6LLbWK2WENByBzb932 Vi1Fg8Ri+qgxJrwy5zjp/NXrbWtEhuMkRTQj1X4R9I44S53W3vZuVYp8IrCbYVblbQ3t O28JXtBnjgkZqXtJcIVINkr/xuwcmJ4AcO+2ctUVBEJKMuSZEV7wYUoSaD3Zco3ZO7q/ ujjg+wfK4m1DiebSFJn9cbZqflg/q7DAWj/98GahfRpw7xqn470ERyL3IPCqRQQaQIB0 0zSlrkdrriSBVsPOQ4i+h5gPOwW+U83Jz9SjjpEDyMiKdpx/YTRM4O6K6sHqODrD7YCC shxw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=9aHr7/EWopa+d5MVT7UWPgRiU9Syfo6iTheTFisLSBg=; b=Alr5O6qDvDZsWV7UG7hLGIAkBBPnstomze6cl/hLFTgpB4kCIKi4zH1PF4kmR9LeHf +cxf3jfzFVM3nvOJFFvpxsLKy0hux7WeOYyPbUDTuO2BzNKsuIpM6+v4R4SmkQ9tbc/9 zY2wCsSw4jSfjQcSXVJYUZRLsMMu7IB7MRwvK6uzsV6gSX3hWxTZpwrl00TmLu2lWPgA nIu9fVu6Im1SYUoLjANe6kxDQw+yk6Td/njfBB2XJK9+IZieYgguHMnyty+fqfjdOrM/ iKuc/B8jH4Taewx1y219YEicwy7hiFzVc5iqPvB9WcQL05QGwM+9ymAmiTXJQIJdrtIT HPXQ== X-Gm-Message-State: ANhLgQ1tm6OGEkcXGIdcC/1q81D81kR6iYP5NaRlQ0UMgYZZGTSjB6s6 uPToa0ZzGUuSZRlD/LhyqJ9eew== X-Google-Smtp-Source: ADFU+vvLjmlfZFee1kgQb0ezvJQIIb3y7DZjOUpYxqDYvVtYVhI9wjUkV+NDFpgxKBOntX41muaOsw== X-Received: by 2002:adf:bb81:: with SMTP id q1mr4344011wrg.110.1583930814354; Wed, 11 Mar 2020 05:46:54 -0700 (PDT) Received: from localhost.localdomain ([2001:171b:c9a8:fbc0:116c:c27a:3e7f:5eaf]) by smtp.gmail.com with ESMTPSA id c2sm8380020wma.39.2020.03.11.05.46.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Mar 2020 05:46:53 -0700 (PDT) From: Jean-Philippe Brucker To: bhelgaas@google.com, will@kernel.org, robh+dt@kernel.org, joro@8bytes.org, baolu.lu@linux.intel.com, sudeep.holla@arm.com, linux-doc@vger.kernel.org, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-acpi@vger.kernel.org, iommu@lists.linux-foundation.org Cc: lorenzo.pieralisi@arm.com, corbet@lwn.net, mark.rutland@arm.com, liviu.dudau@arm.com, guohanjun@huawei.com, rjw@rjwysocki.net, lenb@kernel.org, robin.murphy@arm.com, dwmw2@infradead.org, amurray@thegoodpenguin.co.uk, frowand.list@gmail.com, Jean-Philippe Brucker Subject: [PATCH v2 00/11] PCI/ATS: Device-tree support and other improvements Date: Wed, 11 Mar 2020 13:44:55 +0100 Message-Id: <20200311124506.208376-1-jean-philippe@linaro.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Enable ATS on device-tree based systems, and factor the common ATS enablement checks into pci_enable_ats(). Since v1 [1] I added acks and review tags, simplified patch 3 and tried to clarify the comment in patch 2. I'd like acks or comments on the following patches: * PCI on patches 2, 3 and 5 * Arm SMMUv3 on patch 7 * Intel VT-d on patch 8 * arm64 DT on patch 10 Thanks, Jean [1] https://lore.kernel.org/linux-iommu/20200213165049.508908-1-jean-philippe@linaro.org/ Jean-Philippe Brucker (11): dt-bindings: PCI: generic: Add ats-supported property PCI: Add ats_supported host bridge flag PCI: OF: Check whether the host bridge supports ATS ACPI/IORT: Check ATS capability in root complex node PCI/ATS: Gather checks into pci_ats_supported() iommu/amd: Use pci_ats_supported() iommu/arm-smmu-v3: Use pci_ats_supported() iommu/vt-d: Use pci_ats_supported() ACPI/IORT: Drop ATS fwspec flag arm64: dts: fast models: Enable PCIe ATS for Base RevC FVP Documentation: Generalize the "pci=noats" boot parameter .../admin-guide/kernel-parameters.txt | 4 +- .../bindings/pci/host-generic-pci.yaml | 6 +++ arch/arm64/boot/dts/arm/fvp-base-revc.dts | 1 + drivers/acpi/arm64/iort.c | 38 +++++++++++++------ drivers/acpi/pci_root.c | 3 ++ drivers/iommu/amd_iommu.c | 12 ++---- drivers/iommu/arm-smmu-v3.c | 18 ++------- drivers/iommu/intel-iommu.c | 9 ++--- drivers/pci/ats.c | 30 ++++++++++++++- drivers/pci/controller/pci-host-common.c | 11 ++++++ drivers/pci/probe.c | 8 ++++ include/linux/acpi_iort.h | 8 ++++ include/linux/iommu.h | 4 -- include/linux/pci-ats.h | 3 ++ include/linux/pci.h | 1 + 15 files changed, 109 insertions(+), 47 deletions(-) Acked-by: Lu Baolu Acked-by: Will Deacon