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=-8.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_GIT 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 B3346C43381 for ; Fri, 1 Mar 2019 19:38:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7EB1F2054F for ; Fri, 1 Mar 2019 19:38:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="YVb1ilNN"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="PwVXLiHO" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726631AbfCATiw (ORCPT ); Fri, 1 Mar 2019 14:38:52 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:38646 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726366AbfCATiu (ORCPT ); Fri, 1 Mar 2019 14:38:50 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id A2F3B6119C; Fri, 1 Mar 2019 19:38:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1551469129; bh=p6rJfviH6BYGLAyw2gcf6WAOPbWlPGO+o6vz6rvdx9Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YVb1ilNNDEnsYDhOCZu0+ZKJhvKJoJn9e6mRAhSDN3yiGdW5+9ugFJGrU7J1XXVjG gpRIhD+ritm+ZE1uUs/7rlfFnELIVNBJWWVpLXv2JW5l06P0AHW93UU5PLNUCvQ99j KNJ7e7gxEWxwKFaVgCAXs5BXPq0dWHOXxCexNKIQ= Received: from jcrouse1-lnx.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: jcrouse@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 79DE2611BE; Fri, 1 Mar 2019 19:38:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1551469128; bh=p6rJfviH6BYGLAyw2gcf6WAOPbWlPGO+o6vz6rvdx9Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PwVXLiHOsTUjdJ5fHQvscvaq2lAkkMPL0NTtYOkawSCtjqeLbYUf+6yk8VZ8yWVwr Zz0w5oFYwzq0FAQyxgKc7DggpxoevliT09i6yMddxsy+3yk9JFLbWOZu8Jwsrtos7P qkyjXdDKaDbhxj2hqo9O8rio82pBZ2rdJnuwF8g8= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 79DE2611BE Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=jcrouse@codeaurora.org From: Jordan Crouse To: freedreno@lists.freedesktop.org Cc: jean-philippe.brucker@arm.com, linux-arm-msm@vger.kernel.org, dianders@chromimum.org, hoegsberg@google.com, baolu.lu@linux.intel.com, iommu@lists.linux-foundation.org, Joerg Roedel , linux-kernel@vger.kernel.org Subject: [RFC PATCH v1 04/15] iommu: Add DOMAIN_ATTR_PTBASE Date: Fri, 1 Mar 2019 12:38:26 -0700 Message-Id: <1551469117-3404-5-git-send-email-jcrouse@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1551469117-3404-1-git-send-email-jcrouse@codeaurora.org> References: <1551469117-3404-1-git-send-email-jcrouse@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add an attribute to return the base address of the pagetable. This is used by auxiliary domains from arm-smmu to return the address of the pagetable to the leaf driver so that it can set the appropriate pagetable through it's own means. 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 3f2250b..dc60a71 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -126,6 +126,7 @@ enum iommu_attr { DOMAIN_ATTR_NESTING, /* two stages of translation */ DOMAIN_ATTR_DMA_USE_FLUSH_QUEUE, DOMAIN_ATTR_SPLIT_TABLES, + DOMAIN_ATTR_PTBASE, DOMAIN_ATTR_MAX, }; -- 2.7.4