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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 59C1AC17441 for ; Tue, 12 Nov 2019 10:02:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 32E0B21925 for ; Tue, 12 Nov 2019 10:02:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="oVIDt4Yt" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725865AbfKLKCd (ORCPT ); Tue, 12 Nov 2019 05:02:33 -0500 Received: from mail-wm1-f65.google.com ([209.85.128.65]:51763 "EHLO mail-wm1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725899AbfKLKCd (ORCPT ); Tue, 12 Nov 2019 05:02:33 -0500 Received: by mail-wm1-f65.google.com with SMTP id q70so2410884wme.1 for ; Tue, 12 Nov 2019 02:02:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding:content-language; bh=ZV0/xI1cDNWDAAg48JcA6ok2jrNXH3VpcMDZqiMr7I0=; b=oVIDt4YtXTKXNM9krSx7RMkK8r+fjJ35bJ8lpRBRuYXC410u/er0oxn8R73DvegE97 eSSvdbU5bMDRSD5zu58Reg5Iyi2uOh4GMZ/gzsx/atLCDjtSfi/4+xaaplQ4iX9h+Fzi 5sHfscuNeDiG+pZUgrx05j3rugfj23QMzhNgcwY+FjyxqoXzye3c9AAiUsZXxBFU3yXS 9YT57qpqCIcdrMNP1on1kK481clziXxRXujGjtt5YdJroPVhO+746HlezpHoatBeNFIQ 7LKqJ+bOxki1Ow8W5F+unwBVD9Wmi9Rh1g2sey4IWFR1W7LUlWof8eKD2YIjSGJShXlZ WFpg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding :content-language; bh=ZV0/xI1cDNWDAAg48JcA6ok2jrNXH3VpcMDZqiMr7I0=; b=nrfqQ/0MlDZp4rTll8Yb1OnHeAO6Ffm/BTuklGV8Qs3jS1MyRiPZe9SM/2Zr3B4atZ 1+pLZ6IrW7OUskqV/uj6YoVzNUWLUdhBC+4imsxQP6ZsnJqhUOQ9YutYYA0E4VKvIF7t Jr0EhYhTym6SjSWdWI+3jVd0ehiNayN113qpXTN1IWzzUdb1HlpvdVzo3ot0sYG7RH7B DcnuWntMlXc9MUzc9elpBAcv17j+lDTY+FFKwGTiRd7DKxZHeWQdiDD0c7RqN7aSh9ZN GIftEbkLy4lK20EFrpio0QrgCACRZwsi5+cLvMBbO4t8rziBoRX00ofoy2KzvskL+tUp TgAg== X-Gm-Message-State: APjAAAXTEJGOE6GHNxUDoeTpaNPApA6tml6e1CQndE+cXH0wUzscPZIO B3veCAZBBrY67pX++UbrCQOm0w== X-Google-Smtp-Source: APXvYqzLCvkm7qvFyXa0u7U5lfFZDS5G4zvBKLQqPGTW83KJwLuQTVwDbiqILJp0uaQwb4ST+KcByA== X-Received: by 2002:a1c:4e1a:: with SMTP id g26mr3232608wmh.138.1573552951206; Tue, 12 Nov 2019 02:02:31 -0800 (PST) Received: from [10.57.1.46] ([45.135.186.94]) by smtp.gmail.com with ESMTPSA id w81sm4138966wmg.5.2019.11.12.02.02.16 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 12 Nov 2019 02:02:30 -0800 (PST) Subject: Re: [PATCH v2 0/8] iommu: Add PASID support to Arm SMMUv3 To: Jean-Philippe Brucker , iommu@lists.linux-foundation.org, devicetree@vger.kernel.org, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: joro@8bytes.org, robh+dt@kernel.org, mark.rutland@arm.com, lorenzo.pieralisi@arm.com, guohanjun@huawei.com, sudeep.holla@arm.com, rjw@rjwysocki.net, lenb@kernel.org, will@kernel.org, robin.murphy@arm.com, zhangfei.gao@linaro.org, eric.auger@redhat.com, jonathan.cameron@huawei.com References: <20191108152508.4039168-1-jean-philippe@linaro.org> From: zhangfei Message-ID: <8a23f064-129a-02c3-4e14-63db45d7f851@linaro.org> Date: Tue, 12 Nov 2019 18:02:08 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20191108152508.4039168-1-jean-philippe@linaro.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org On 2019/11/8 下午11:25, Jean-Philippe Brucker wrote: > This is version 2 of the series I sent a while ago [1], adding PASID > support to the Arm SMMUv3 driver. > > Changes since v1: > * Dropped the patch adding auxiliary domain support. It's an easy way to > test PASID, by populating PASID contexts using iommu_map/unmap(), but > I don't know if it will ever have real users. > > Since v1 I changed my testing gear, and am using the zip accelerator > [2] instead of a software model. It only uses SVA and testing > auxiliary domains would require additional changes that would never go > upstream. SVA requires another 20 patches (including I/O page faults) > that I will send later, but at least I know that this will get used. > > * ioasid patch has been carried by Jacob and should be merged for v5.5 [3] > > * Split patch "Add support for Substream IDs" into patches 4 and 5. > > * Added IORT support (patch 3) and addressed other comments. > > [1] https://lore.kernel.org/linux-iommu/20190610184714.6786-1-jean-philippe.brucker@arm.com/ > [2] https://lore.kernel.org/linux-iommu/1572331216-9503-1-git-send-email-zhangfei.gao@linaro.org/ > [3] https://lore.kernel.org/linux-iommu/1570045363-24856-1-git-send-email-jacob.jun.pan@linux.intel.com/ > > Jean-Philippe Brucker (8): > dt-bindings: document PASID property for IOMMU masters > iommu/arm-smmu-v3: Support platform SSID > ACPI/IORT: Support PASID for platform devices > iommu/arm-smmu-v3: Prepare for SSID support > iommu/arm-smmu-v3: Add support for Substream IDs > iommu/arm-smmu-v3: Add second level of context descriptor table > iommu/arm-smmu-v3: Improve add_device() error handling > iommu/arm-smmu-v3: Add support for PCI PASID Thanks Jean for the patch The series tested well on Hisilicon platform KunPeng920 Tested-by: Zhangfei Gao