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=-6.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 8E5C1C0044D for ; Mon, 16 Mar 2020 15:48:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 66AFB2071C for ; Mon, 16 Mar 2020 15:48:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="wqEM+8T/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731960AbgCPPsB (ORCPT ); Mon, 16 Mar 2020 11:48:01 -0400 Received: from mail-wr1-f66.google.com ([209.85.221.66]:46296 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731914AbgCPPsB (ORCPT ); Mon, 16 Mar 2020 11:48:01 -0400 Received: by mail-wr1-f66.google.com with SMTP id w16so5431835wrv.13 for ; Mon, 16 Mar 2020 08:47:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=J+yCX5u1YDN6eK0N92vhv3vwdN0qX/QOnRznwSw/NEU=; b=wqEM+8T/4h/xHj/JCPK+rRTCXxcVR4eDf7FRmVy6tL77x3zHH/AiX26KSVcpaAUPYM H2E3TxgVcsUZps0ZwbKrOGHGA1w+q7Tk9JZyHOG4r0miXlsNK9DAr6ASz77gWGMYoThi aqIcdck8zrW9cmOsVNIVfmvriv2jyBKV2gCHKWxDzNBhDSaeuNibLyNo1rN/KPESbvGx bYFXAMI7K3kXwTe2xy6IA/A4hJbQRhpt2ZZKRbDn2/H/Lo/rmmzCexG9w/kcno6ZiI77 ppej5XGet0RlmPFvfqjzVDbUXtrDAc80RMkysk6JhzvWsm3/Qn/rhmBAkBM9JFQCl/h+ nSCQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=J+yCX5u1YDN6eK0N92vhv3vwdN0qX/QOnRznwSw/NEU=; b=aZxtNJ+tCw/3WUnUlEjumfjaTb4pDu1jWVkI65WLvNH3fBV9auCYjbOUa726dFKA0/ MNcLZj7m56BX4tFx01iRoVV79yiob9nMw6k0KCJbhMBjg3VEUndM77VFLduM9v0UyE2T am9KZBXM/GwOmFrK9+9CCyvwn3TH7JHO6wadGbZJlVzPNOTOobMKriF5IhJF8EeKyJTh TQsEIElD6Mo+UbpTuRXtTnBdlmPuxiVJLvLWXE074QBbepiAUiZT2QJ5hmookGBoV96N tA/xWXb+rFZhWaGfisneZEGR8c644Jv2q3zN+RzmtwSlY/SNKWAYTxvEIPfQLoHxCXNR qbFA== X-Gm-Message-State: ANhLgQ2vEzWjuoK2Ufy1oYWOJZaJsUdNdMYyHBr5wbiFiVGY68hd/bm0 KK7Y/3rvF2Qkj0iC7wBjtrYTQQ== X-Google-Smtp-Source: ADFU+vu7BwV9+IRhzha1mvLv+qxjTZOswhDVu8mc2cK8kbLXKQAY/jWE86j0EqeFBPhJwYU3dCMzFg== X-Received: by 2002:adf:f510:: with SMTP id q16mr6841064wro.43.1584373677809; Mon, 16 Mar 2020 08:47:57 -0700 (PDT) Received: from myrica ([2001:171b:226b:54a0:116c:c27a:3e7f:5eaf]) by smtp.gmail.com with ESMTPSA id l7sm488506wrw.33.2020.03.16.08.47.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Mar 2020 08:47:57 -0700 (PDT) Date: Mon, 16 Mar 2020 16:47:49 +0100 From: Jean-Philippe Brucker To: Joerg Roedel Cc: iommu@lists.linux-foundation.org, 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 , Matthias Brugger , Thierry Reding , Andy Gross , Bjorn Andersson , Joerg Roedel Subject: Re: [PATCH 08/15] iommu: Introduce accessors for iommu private data Message-ID: <20200316154749.GI304669@myrica> References: <20200310091229.29830-1-joro@8bytes.org> <20200310091229.29830-9-joro@8bytes.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200310091229.29830-9-joro@8bytes.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 10, 2020 at 10:12:22AM +0100, Joerg Roedel wrote: > 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); > > -- > 2.17.1 >