From patchwork Tue Mar 10 09:12:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joerg Roedel X-Patchwork-Id: 190045 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 B1942C1975A for ; Tue, 10 Mar 2020 09:13:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8AD0424681 for ; Tue, 10 Mar 2020 09:13:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726497AbgCJJMh (ORCPT ); Tue, 10 Mar 2020 05:12:37 -0400 Received: from 8bytes.org ([81.169.241.247]:50518 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726467AbgCJJMg (ORCPT ); Tue, 10 Mar 2020 05:12:36 -0400 Received: by theia.8bytes.org (Postfix, from userid 1000) id 303657E6; Tue, 10 Mar 2020 10:12:33 +0100 (CET) From: Joerg Roedel To: iommu@lists.linux-foundation.org Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-mediatek@lists.infradead.org, virtualization@lists.linux-foundation.org, Lorenzo Pieralisi , Hanjun Guo , Sudeep Holla , Rob Clark , Sean Paul , Will Deacon , Robin Murphy , Joerg Roedel , Matthias Brugger , Thierry Reding , Jean-Philippe Brucker , Andy Gross , Bjorn Andersson , Joerg Roedel Subject: [PATCH 08/15] iommu: Introduce accessors for iommu private data Date: Tue, 10 Mar 2020 10:12:22 +0100 Message-Id: <20200310091229.29830-9-joro@8bytes.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200310091229.29830-1-joro@8bytes.org> References: <20200310091229.29830-1-joro@8bytes.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Joerg Roedel Add dev_iommu_priv_get/set() functions to access per-device iommu private data. This makes it easier to move the pointer to a different location. Tested-by: Will Deacon # arm-smmu Signed-off-by: Joerg Roedel Reviewed-by: Jean-Philippe Brucker --- include/linux/iommu.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/linux/iommu.h b/include/linux/iommu.h index f5edc21a644d..056900e75758 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -627,6 +627,16 @@ static inline void dev_iommu_fwspec_set(struct device *dev, dev->iommu->fwspec = fwspec; } +static inline void *dev_iommu_priv_get(struct device *dev) +{ + return dev->iommu->fwspec->iommu_priv; +} + +static inline void dev_iommu_priv_set(struct device *dev, void *priv) +{ + dev->iommu->fwspec->iommu_priv = priv; +} + int iommu_probe_device(struct device *dev); void iommu_release_device(struct device *dev);