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=-3.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT 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 2FCD7C10F27 for ; Wed, 11 Mar 2020 12:46:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 025A2208E4 for ; Wed, 11 Mar 2020 12:46:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="FXsN33Jo" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729444AbgCKMq4 (ORCPT ); Wed, 11 Mar 2020 08:46:56 -0400 Received: from mail-wr1-f66.google.com ([209.85.221.66]:39960 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729435AbgCKMq4 (ORCPT ); Wed, 11 Mar 2020 08:46:56 -0400 Received: by mail-wr1-f66.google.com with SMTP id p2so2435546wrw.7 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=bdZWMcyJK8gTn8rBYtH94uu0UA3nY+b1k2fbLV039cO+XkOlYTdoW0TkAurFOvWTcD TCrX+bZR2gTorBQ7s9FRDP7RC7642cnNbmon37nLz2VgztGqmmta+fk+qeIm8kvM6owP jneQSQx12sjMVsbtp+QKUphCup8pvdE7otQZERisPtErbcDivVbbUXN3nUlzzaI90P1R eLEG4SGJ+d2z6VzBh0Btzy7zzaB958QeLnGfA0qckjZvPE842LDqQ/bspFkgrVcfb7JK DNbomHmEIWxqfh24ZAcgaZBADBUUZy2hn1kOM8RZNtUlqXPGXoRpENTXb/KdWWxH3TtS zfxg== X-Gm-Message-State: ANhLgQ2MJzmvjyrVHLWWW2BO3lAd4pXUkqRCJk2FO51TsD8/9Fw4u3Kt gBvvKKltKRzFEKzJR+3O6t9vjg== 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 Content-Transfer-Encoding: 8bit Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@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(-) -- 2.25.1