From patchwork Mon Aug 3 19:35:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jordan Crouse X-Patchwork-Id: 11698661 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 A8CFF912 for ; Mon, 3 Aug 2020 19:36:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0192222BF3 for ; Mon, 3 Aug 2020 19:36:21 +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="P6PzgfHk" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728146AbgHCTgU (ORCPT ); Mon, 3 Aug 2020 15:36:20 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:44020 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728414AbgHCTgT (ORCPT ); Mon, 3 Aug 2020 15:36:19 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1596483379; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=/fIbyeruvI6OUypkSkElgAVRI3+iioCzbrZcNV4VFzA=; b=P6PzgfHkQZmJszB370+Ov/LGZxhJyv6FWiZIM95644SvvNvAqF0LAE6ltlkrQPMRlmWAkoBD JBWVfZvqHm1Ny9NdqitzDmw0PSytC+xE8LBohKASwBzr6tzzKUNWV6KSgDAuam0/kCZZ1B+A 3v5qRA449L6G/2OGlJjjcrY4bnk= X-Mailgun-Sending-Ip: 69.72.43.7 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-n10.prod.us-east-1.postgun.com with SMTP id 5f286727bcdc2fe471ca374f (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 03 Aug 2020 19:36:07 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 5D9B5C433B2; Mon, 3 Aug 2020 19:36:05 +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 CE1BBC43391; Mon, 3 Aug 2020 19:36:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org CE1BBC43391 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: Sai Prakash Ranjan , Robin Murphy , Will Deacon , Bjorn Andersson , freedreno@lists.freedesktop.org, iommu@lists.linux-foundation.org, Joerg Roedel , linux-kernel@vger.kernel.org Subject: [PATCH v11 04/12] iommu: Add a domain attribute to get/set a pagetable configuration Date: Mon, 3 Aug 2020 13:35:39 -0600 Message-Id: <20200803193547.305660-5-jcrouse@codeaurora.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200803193547.305660-1-jcrouse@codeaurora.org> References: <20200803193547.305660-1-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 fee209efb756..995ab8c47ef2 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -118,6 +118,7 @@ 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, };