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=-12.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 3DE9BC433DF for ; Mon, 10 Aug 2020 22:27:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0280420768 for ; Mon, 10 Aug 2020 22:27:40 +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="k4qbszUX" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727081AbgHJW1i (ORCPT ); Mon, 10 Aug 2020 18:27:38 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:31814 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727011AbgHJW1X (ORCPT ); Mon, 10 Aug 2020 18:27:23 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1597098443; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=/fIbyeruvI6OUypkSkElgAVRI3+iioCzbrZcNV4VFzA=; b=k4qbszUXxXWN+tJ+kpYdv+2Dqho4om2E/YP94NLs9nMs9z54LISIGCIPyblFvLjeU7hk6LLY 1kdqqkcxx4cX51Xf+IfRfqOAXr/73so/3d+3txdthdZaS1japeCLYx7gXuHYbqhznbgKx4gs 6qUP/JHgk/vGfn6LLt6n6na5iHg= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI0MWYwYSIsICJsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n02.prod.us-west-2.postgun.com with SMTP id 5f31c9c44c787f237b10076e (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 10 Aug 2020 22:27:16 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id C6F01C43391; Mon, 10 Aug 2020 22:27:16 +0000 (UTC) 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 A3963C433C9; Mon, 10 Aug 2020 22:27:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org A3963C433C9 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: Will Deacon , Robin Murphy , Bjorn Andersson , iommu@lists.linux-foundation.org, freedreno@lists.freedesktop.org, Sai Prakash Ranjan , Joerg Roedel , linux-kernel@vger.kernel.org Subject: [PATCH v12 04/13] iommu: Add a domain attribute to get/set a pagetable configuration Date: Mon, 10 Aug 2020 16:26:48 -0600 Message-Id: <20200810222657.1841322-5-jcrouse@codeaurora.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200810222657.1841322-1-jcrouse@codeaurora.org> References: <20200810222657.1841322-1-jcrouse@codeaurora.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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, }; -- 2.25.1