From patchwork Wed Apr 29 13:36:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joerg Roedel X-Patchwork-Id: 213400 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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 A7014C83004 for ; Wed, 29 Apr 2020 13:40:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8C4D9206D6 for ; Wed, 29 Apr 2020 13:40:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727841AbgD2Nky (ORCPT ); Wed, 29 Apr 2020 09:40:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53080 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727879AbgD2Nhk (ORCPT ); Wed, 29 Apr 2020 09:37:40 -0400 Received: from theia.8bytes.org (8bytes.org [IPv6:2a01:238:4383:600:38bc:a715:4b6d:a889]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D3F83C03C1AE; Wed, 29 Apr 2020 06:37:39 -0700 (PDT) Received: by theia.8bytes.org (Postfix, from userid 1000) id B843B6BB; Wed, 29 Apr 2020 15:37:35 +0200 (CEST) From: Joerg Roedel To: Joerg Roedel , Will Deacon , Robin Murphy , Marek Szyprowski , Kukjin Kim , Krzysztof Kozlowski , David Woodhouse , Lu Baolu , Andy Gross , Bjorn Andersson , Matthias Brugger , Rob Clark , Heiko Stuebner , Gerald Schaefer , Thierry Reding , Jonathan Hunter , Jean-Philippe Brucker Cc: Daniel Drake , jonathan.derrick@intel.com, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-s390@vger.kernel.org, linux-tegra@vger.kernel.org, virtualization@lists.linux-foundation.org, Joerg Roedel Subject: [PATCH v3 03/34] iommu/amd: Implement iommu_ops->def_domain_type call-back Date: Wed, 29 Apr 2020 15:36:41 +0200 Message-Id: <20200429133712.31431-4-joro@8bytes.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200429133712.31431-1-joro@8bytes.org> References: <20200429133712.31431-1-joro@8bytes.org> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org From: Joerg Roedel Implement the new def_domain_type call-back for the AMD IOMMU driver. Signed-off-by: Joerg Roedel --- drivers/iommu/amd_iommu.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 20cce366e951..73b4f84cf449 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2661,6 +2661,20 @@ static void amd_iommu_iotlb_sync(struct iommu_domain *domain, amd_iommu_flush_iotlb_all(domain); } +static int amd_iommu_def_domain_type(struct device *dev) +{ + struct iommu_dev_data *dev_data; + + dev_data = get_dev_data(dev); + if (!dev_data) + return 0; + + if (dev_data->iommu_v2) + return IOMMU_DOMAIN_IDENTITY; + + return 0; +} + const struct iommu_ops amd_iommu_ops = { .capable = amd_iommu_capable, .domain_alloc = amd_iommu_domain_alloc, @@ -2680,6 +2694,7 @@ const struct iommu_ops amd_iommu_ops = { .pgsize_bitmap = AMD_IOMMU_PGSIZES, .flush_iotlb_all = amd_iommu_flush_iotlb_all, .iotlb_sync = amd_iommu_iotlb_sync, + .def_domain_type = amd_iommu_def_domain_type, }; /*****************************************************************************