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=-3.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 90FC7C606C7 for ; Mon, 8 Jul 2019 19:00:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6A76F21783 for ; Mon, 8 Jul 2019 19:00:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="g1j6LoPa"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="RlxX3GiG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388272AbfGHTAz (ORCPT ); Mon, 8 Jul 2019 15:00:55 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:43140 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731441AbfGHTAy (ORCPT ); Mon, 8 Jul 2019 15:00:54 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 8FFCD60FE9; Mon, 8 Jul 2019 19:00:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1562612453; bh=3cZ120rfFscLjFKv5nknwSkEb05XjN6zsQhL+0Uk7mA=; h=From:To:Cc:Subject:Date:From; b=g1j6LoPaI/+wTOsEw8t+ilntBs99VUFNL2oAqVgkWMt7JpF/I6zD4AusUlN+gbTIN KhIxdl59ekJSr0ovtRKdFugLystTw/kd7nrVGV8R3ZBHh0CeNToUU3E2WnXHeBLywI On01R9Eygl+8egTxC+YzUsCatNy0mC1kglBnJ6Nw= Received: from jcrouse1-lnx.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: jcrouse@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 7647C60E3F; Mon, 8 Jul 2019 19:00:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1562612452; bh=3cZ120rfFscLjFKv5nknwSkEb05XjN6zsQhL+0Uk7mA=; h=From:To:Cc:Subject:Date:From; b=RlxX3GiGklNIZkgVbwds5vGc/pv3hVX+zqgSNP+HNfsm24k64LSUODh3aC3fMWjJL X0hcGZee8Nkg+jE3I1wgIg51HApyOTNFneQmhTD8a5DQnMbqfk4jLyPETtxuDtki4E Q9prYAIIOOnhj6gIaNiBYZLNVn2siZMldjiyVJXw= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 7647C60E3F Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=jcrouse@codeaurora.org From: Jordan Crouse To: freedreno@lists.freedesktop.org Cc: jean-philippe.brucker@arm.com, linux-arm-msm@vger.kernel.org, hoegsberg@google.com, dianders@chromium.org, baolu.lu@linux.intel.com, Will Deacon , Robin Murphy , Zhen Lei , Rob Herring , linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Alyssa Rosenzweig , Joerg Roedel , linux-arm-kernel@lists.infradead.org Subject: [RESEND PATCH v2 0/3] iommu/arm-smmu: Split pagetable support Date: Mon, 8 Jul 2019 13:00:44 -0600 Message-Id: <1562612447-19856-1-git-send-email-jcrouse@codeaurora.org> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org (RESEND because I fat fingered a email address and I didn't want everybody to get a bunch of SMTP errors) This series implements split pagetable support for arm-smmu-v2 devices. You have seen this code before as part of [1] but I split it apart from the other features to make it easier to review / merge. This series adds a new format type to io-pgtable-arm to enable TTBR0 and TTBR1. Because of the way that the registers are mixed up it makes the most sense to enable them together instead of trying to create two different pagetables and merge them together later in the arm-smmu drive. This will be used later by the drm/msm driver to enable split pagetables as part of the effort to implement per-context pagetables [2]. Thanks, Jordan [1] https://patchwork.freedesktop.org/series/57441/ [2] https://patchwork.freedesktop.org/patch/307616/?series=57441&rev=3 Jordan Crouse (3): iommu: Add DOMAIN_ATTR_SPLIT_TABLES iommu/io-pgtable-arm: Add support for AARCH64 split pagetables iommu/arm-smmu: Add support for DOMAIN_ATTR_SPLIT_TABLES drivers/iommu/arm-smmu.c | 16 ++- drivers/iommu/io-pgtable-arm.c | 261 +++++++++++++++++++++++++++++++++++++---- drivers/iommu/io-pgtable.c | 1 + include/linux/io-pgtable.h | 2 + include/linux/iommu.h | 1 + 5 files changed, 256 insertions(+), 25 deletions(-) -- 2.7.4