From patchwork Mon Jul 20 15:40:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jordan Crouse X-Patchwork-Id: 11674307 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 65F56138A for ; Mon, 20 Jul 2020 16:44:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4E3AB2073A for ; Mon, 20 Jul 2020 16:44:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="p0R2e7Tu" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729904AbgGTPlb (ORCPT ); Mon, 20 Jul 2020 11:41:31 -0400 Received: from mail29.static.mailgun.info ([104.130.122.29]:56113 "EHLO mail29.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729882AbgGTPl3 (ORCPT ); Mon, 20 Jul 2020 11:41:29 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1595259689; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=QpqT3iFw+yIgQrPrmUtsViFE6dJ4LR4b4GmmTIcq4dA=; b=p0R2e7Tuvxy3P3vPd9K27wSJMw5DWDfLHPVFa7dHP2/ncOUTu9PsDHgmthashSZ7tFmow5mu qPfgEsjgyrcjHVot36rItEbK6wkGqY57wCeYS98jeEym7BPVcUTRKcKVGVzkpwKXW+KquO3q uyiRQ6TJwGynFy5rQ7jJwYw/bsc= X-Mailgun-Sending-Ip: 104.130.122.29 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n09.prod.us-east-1.postgun.com with SMTP id 5f15bb1b03c8596cdb4832c7 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 20 Jul 2020 15:41:15 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 4ECF7C43449; Mon, 20 Jul 2020 15:41:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.0 Received: from jordan-laptop.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: jcrouse) by smtp.codeaurora.org (Postfix) with ESMTPSA id DD047C43449; Mon, 20 Jul 2020 15:41:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org DD047C43449 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=jcrouse@codeaurora.org From: Jordan Crouse To: linux-arm-msm@vger.kernel.org Cc: Robin Murphy , Bjorn Andersson , Will Deacon , freedreno@lists.freedesktop.org, iommu@lists.linux-foundation.org, Sai Prakash Ranjan , Joerg Roedel , linux-kernel@vger.kernel.org Subject: [PATCH v10 05/13] iommu: Add a domain attribute to get/set a pagetable configuration Date: Mon, 20 Jul 2020 09:40:39 -0600 Message-Id: <20200720154047.3611092-6-jcrouse@codeaurora.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200720154047.3611092-1-jcrouse@codeaurora.org> References: <20200720154047.3611092-1-jcrouse@codeaurora.org> MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add domain attribute DOMAIN_ATTR_PGTABLE_CFG. This will be used by arm-smmu to share the current pagetable configuration with the leaf driver and to allow the leaf driver to set up a new pagetable configuration under certain circumstances. Signed-off-by: Jordan Crouse --- include/linux/iommu.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 5657d4fef9f2..e8d59ad15611 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -124,6 +124,7 @@ enum iommu_attr { DOMAIN_ATTR_FSL_PAMUV1, DOMAIN_ATTR_NESTING, /* two stages of translation */ DOMAIN_ATTR_DMA_USE_FLUSH_QUEUE, + DOMAIN_ATTR_PGTABLE_CFG, DOMAIN_ATTR_MAX, };