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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 43C0EC433E0 for ; Fri, 12 Feb 2021 11:00:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1938464E70 for ; Fri, 12 Feb 2021 11:00:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231181AbhBLLAE (ORCPT ); Fri, 12 Feb 2021 06:00:04 -0500 Received: from foss.arm.com ([217.140.110.172]:35050 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230023AbhBLK74 (ORCPT ); Fri, 12 Feb 2021 05:59:56 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id E3658113E; Fri, 12 Feb 2021 02:59:10 -0800 (PST) Received: from usa.arm.com (a074945.blr.arm.com [10.162.16.71]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 9843B3F719; Fri, 12 Feb 2021 02:59:06 -0800 (PST) From: Vivek Gautam To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, virtualization@lists.linux-foundation.org Cc: joro@8bytes.org, will.deacon@arm.com, mst@redhat.com, robin.murphy@arm.com, jean-philippe@linaro.org, eric.auger@redhat.com, alex.williamson@redhat.com, kevin.tian@intel.com, jacob.jun.pan@linux.intel.com, yi.l.liu@intel.com, Lorenzo.Pieralisi@arm.com, shameerali.kolothum.thodi@huawei.com Subject: [PATCH 0/2] Domain nesting info for arm-smmu Date: Fri, 12 Feb 2021 16:28:57 +0530 Message-Id: <20210212105859.8445-1-vivek.gautam@arm.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org These couple of patches are adding nesting information for arm and are based on the domain nesting info patches by Yi [1,2,3]. Based on the discussion in the thread [4], sending these out as I have been using in my tree [5] for nested translation based on virtio-iommu on Arm reference platforms. Thanks & regards Vivek [1] https://lore.kernel.org/kvm/1599734733-6431-2-git-send-email-yi.l.liu@intel.com/ [2] https://lore.kernel.org/kvm/1599734733-6431-3-git-send-email-yi.l.liu@intel.com/ [3] https://lore.kernel.org/kvm/1599734733-6431-4-git-send-email-yi.l.liu@intel.com/ [4] https://lore.kernel.org/kvm/306e7dd2-9eb2-0ca3-6a93-7c9aa0821ce9@arm.com/ [5] https://github.com/vivek-arm/linux/tree/5.11-rc3-nested-pgtbl-arm-smmuv3-virtio-iommu Vivek Gautam (2): iommu: Report domain nesting info for arm-smmu-v3 iommu: arm-smmu-v3: Report domain nesting info reuqired for stage1 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 16 +++++++++-- include/uapi/linux/iommu.h | 31 +++++++++++++++++---- 2 files changed, 39 insertions(+), 8 deletions(-) -- 2.17.1