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=-8.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 B82A8C3815B for ; Mon, 20 Apr 2020 16:59:59 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 85829206B8 for ; Mon, 20 Apr 2020 16:59:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Q9EsTny7" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 85829206B8 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Uvw8PYGR89ktQ1Noz69J2DP1H80lgSPEnaLE726k3Sw=; b=Q9EsTny7e2/lUP+J6dl+O7Y0i qQwi5fhW35MO8SMthoV78TuUv5lbmCDFzTeRhBz1bvOvFqPLCUCrN008mapExS0h+Z8mawNzaqhnl YxbsBBhKxJiTKp29pBux/r3DGW48Fc3GyhnT/gD1ziN84L2pPo2Ip/xvOkgnMOQpKpe8qTXwI3idM CUQ/RzVo+1tuaOOBp7W5DocvqvS7gjv2Dkda80OyGx8LE4DHeCePmeikf3aKK0jxUDRPgTI+5CAhy j7HBlGiFL0H5d7lARFXFtzM4mC7UCrb2USL/hGmUHIo7Srka2iHU2FW5WI6WHtFQ8JkgMaD3KnDdb IIy4tQ7Xw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jQZlz-00044F-9B; Mon, 20 Apr 2020 16:59:55 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jQZlv-00043a-LM for linux-arm-kernel@lists.infradead.org; Mon, 20 Apr 2020 16:59:53 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 21D5831B; Mon, 20 Apr 2020 09:59:51 -0700 (PDT) Received: from [10.57.33.63] (unknown [10.57.33.63]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 1EC623F73D; Mon, 20 Apr 2020 09:59:47 -0700 (PDT) Subject: Re: [PATCHv3 3/6] iommu/arm-smmu: Implement iommu_ops->def_domain_type call-back To: Sai Prakash Ranjan , Will Deacon , Joerg Roedel , Sibi Sankar , Bjorn Andersson , Jordan Crouse , Rob Clark References: From: Robin Murphy Message-ID: Date: Mon, 20 Apr 2020 17:59:45 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-GB X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200420_095951_743490_1CA8EED7 X-CRM114-Status: GOOD ( 17.51 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Evan Green , Stephen Boyd , iommu@lists.linux-foundation.org, Matthias Kaehlcke , linux-arm-kernel@lists.infradead.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2020-04-20 5:42 pm, Sai Prakash Ranjan wrote: > Implement the new def_domain_type call-back for the ARM > SMMU driver. We need this to support requesting the domain > type by the client devices. Modulo any further changes to the default domain rework, Reviewed-by: Robin Murphy > Signed-off-by: Sai Prakash Ranjan > --- > drivers/iommu/arm-smmu.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c > index e622f4e33379..b345a86085ce 100644 > --- a/drivers/iommu/arm-smmu.c > +++ b/drivers/iommu/arm-smmu.c > @@ -1609,6 +1609,17 @@ static void arm_smmu_get_resv_regions(struct device *dev, > iommu_dma_get_resv_regions(dev, head); > } > > +static int arm_smmu_def_domain_type(struct device *dev) > +{ > + struct arm_smmu_master_cfg *cfg = dev_iommu_priv_get(dev); > + const struct arm_smmu_impl *impl = cfg->smmu->impl; > + > + if (impl && impl->def_domain_type) > + return impl->def_domain_type(dev); > + > + return 0; > +} > + > static struct iommu_ops arm_smmu_ops = { > .capable = arm_smmu_capable, > .domain_alloc = arm_smmu_domain_alloc, > @@ -1627,6 +1638,7 @@ static struct iommu_ops arm_smmu_ops = { > .of_xlate = arm_smmu_of_xlate, > .get_resv_regions = arm_smmu_get_resv_regions, > .put_resv_regions = generic_iommu_put_resv_regions, > + .def_domain_type = arm_smmu_def_domain_type, > .pgsize_bitmap = -1UL, /* Restricted during device attach */ > }; > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel