From patchwork Thu Feb 13 10:14:31 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: 1237390 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@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=linux-pci-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=MXBaowXs; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48JC6v473tz9s29 for ; Thu, 13 Feb 2020 21:14:47 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729657AbgBMKOq (ORCPT ); Thu, 13 Feb 2020 05:14:46 -0500 Received: from mail-wr1-f65.google.com ([209.85.221.65]:46146 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729428AbgBMKOq (ORCPT ); Thu, 13 Feb 2020 05:14:46 -0500 Received: by mail-wr1-f65.google.com with SMTP id z7so5888876wrl.13 for ; Thu, 13 Feb 2020 02:14:45 -0800 (PST) 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=75Ftdk1VkfsWCfyfd11tlv6ByY0EWRz2RXyuqWcTsCk=; b=MXBaowXsv5/KjGlJHGIVcJorZztVg4eKrM/0w4F0HaKMkhG7uZ2qpG0X5g06zIZ8KR JnvtB5DqxM5AgwN7+3b7Wzy/vFzqAreJ/+vi5VJzrqZ7NhUOdm/sjLs0apfmXzQOdYkf Os4dy5aCRHTv04//SmgM6n1wj/O42Jp8ACsQy+/eig82sByEXqlJhyFrDIIA/eGWwOXO 1diY5LShRv4n2zK8u1QDFgf0OQ3NB/zGYXZyfr4uUbUEwvA7vOThvs8tguvgjdcGGU93 ajPMjEjhiF4BL/q+Faw5CpisW0B6BCxtZnVvi+Ecuv97amlyxGaybdu2D6eh5DGwV4Lc GUSA== 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=75Ftdk1VkfsWCfyfd11tlv6ByY0EWRz2RXyuqWcTsCk=; b=m6qpk9PC9fWJYNXJVUM5NynBM1tAkAWZNw+lynpXuYk16pLotzRCNUqiy41kbu7w9Z xG6tCpBDWjFk61HGFoinBc9fYfSmdRS1q721RCeA+EgKKD/lAaYzx0a1VcUO2YBEOkCZ 6m/g1u0nC2ni7DwYdp1oaZZ//8dWS/2hExVaCvN2trv0kk1W5gbLxeYJxv66bsf4GeEh lV1XFgVHtfYHyWrv7hy8uaFtytbfS0dD4PyMdao0y/ZUmjpWSkjNYGO8wkATUCP9LA3j d4S0qQRiGx6Dhq5l1S3Cqw2yRMeWKRQIPpmkDJeTZQ8/CoCweAbn3k7i3pMOBYoH02VO SOIA== X-Gm-Message-State: APjAAAW5oWC7XoIXSLM2I1Z9FaRWzK4gXTkAW6WwQ1ZD6TJSdAYdcxuc c6VxFcHTtOkrhPeEGoobJ557jVu7An4= X-Google-Smtp-Source: APXvYqyaY1njF+rZBaq9zhF3XVnI+fBQ+a+gjM1pwH0+xif4vevn+377YjCqBR53sPA0jLv2qnJW8w== X-Received: by 2002:a05:6000:1:: with SMTP id h1mr19408168wrx.380.1581588884202; Thu, 13 Feb 2020 02:14:44 -0800 (PST) Received: from localhost.localdomain ([2001:171b:2276:930:116c:c27a:3e7f:5eaf]) by smtp.gmail.com with ESMTPSA id y131sm2428059wmc.13.2020.02.13.02.14.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Feb 2020 02:14:43 -0800 (PST) From: Jean-Philippe Brucker To: linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, will@kernel.org, bhelgaas@google.com Cc: joro@8bytes.org, robin.murphy@arm.com, jonathan.cameron@huawei.com, zhangfei.gao@linaro.org Subject: [PATCH 0/4] iommu: Finish off PASID support for Arm SMMUv3 Date: Thu, 13 Feb 2020 11:14:31 +0100 Message-Id: <20200213101435.229932-1-jean-philippe@linaro.org> X-Mailer: git-send-email 2.25.0 MIME-Version: 1.0 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Support for context descriptor tables was added to the SMMUv3 driver by commit 87f42391f6a5 ("iommu/arm-smmu-v3: Add support for Substream IDs"). The last patch enabling PASID in PCI devices couldn't be included right away since it would have prevented from building SMMUv3 as a module, another feature introduced in Linux v5.6. Export the relevant symbols in patch 1 before using them in patch 2. Patches 3 and 4 address the other remaining comments for the PASID series [1]. [1] https://lore.kernel.org/linux-iommu/20200114154007.GC2579@willie-the-truck/ Jean-Philippe Brucker (4): PCI/ATS: Export symbols of PASID functions iommu/arm-smmu-v3: Add support for PCI PASID iommu/arm-smmu-v3: Batch context descriptor invalidation iommu/arm-smmu-v3: Write level-1 descriptors atomically drivers/iommu/arm-smmu-v3.c | 78 +++++++++++++++++++++++++++++++++++-- drivers/pci/ats.c | 4 ++ 2 files changed, 78 insertions(+), 4 deletions(-)