From patchwork Tue Jan 28 22:16:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jordan Crouse X-Patchwork-Id: 11355299 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 7071813A4 for ; Tue, 28 Jan 2020 22:16:45 +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 4E3F621739 for ; Tue, 28 Jan 2020 22:16:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="QQoYW0SG"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="NLdGMSlW" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4E3F621739 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.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-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=+Z9uooMq7wCmCxSutR9RsZG/AF2oTO/Qfi+3eOkVl2Q=; b=QQoYW0SGtH5/1VC/BekaSfLmcA zxiOOuAh7J6Ef6ewv633h29gSl7yRFSZtK6tqMPD4IajdL+0oJdmBtf3tmPj8GhoahGH+Q6BkTOcV ON+sd8A/JUmkKsd5BNEyjUsG/LlbgbdWQJ1F9YnNEC4nsEXzT4Dgf5+ZQ3tNy74KteJDhjqhI3UWN rCOtDMgXfD/aD13G6xFg7l0JPR5Svm6Zs5Xfaj9QKN0TT8I36Bs06s9Zut0sXFBomkTX/Rna/9ugt d+6U3cOBz3/QkC7E9qZ48ZOBvc+7fIKvvKINhEn8eHGUuYu3Eyzu/A2zEAOIUiHOyL028+kFEf3aK Lm0hpN2w==; 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 1iwZA2-000363-0M; Tue, 28 Jan 2020 22:16:42 +0000 Received: from mail25.static.mailgun.info ([104.130.122.25]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iwZ9j-0002ph-Bq for linux-arm-kernel@lists.infradead.org; Tue, 28 Jan 2020 22:16:24 +0000 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1580249783; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=FXsf/z/1DeoIKgsAIM/dfI6zvYtWCIvxuwhvpm/1k8o=; b=NLdGMSlWVAD6PMFvwgOQ8GP80ZYxTgLvqMbb/k4IcV/BtJEXgTnRzxTqwzdcT5/q6iu2Q2K/ S/TOm5UwvYcRHBlC3athb+7fp5Uejsj07itjviOdOhgVDSC650xfkpsHGrGsf+1Ge1dS3HMB tlYM2+y8rbHeOIDREcZoTmsb6Vk= X-Mailgun-Sending-Ip: 104.130.122.25 X-Mailgun-Sid: WyJiYzAxZiIsICJsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmciLCAiYmU5ZTRhIl0= Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5e30b2b4.7f6621908a08-smtp-out-n03; Tue, 28 Jan 2020 22:16:20 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 97D3EC433CB; Tue, 28 Jan 2020 22:16:20 +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, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 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) by smtp.codeaurora.org (Postfix) with ESMTPSA id 29111C433A2; Tue, 28 Jan 2020 22:16:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 29111C433A2 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: iommu@lists.linux-foundation.org Subject: [PATCH v1 1/6] iommu: Add DOMAIN_ATTR_PTBASE Date: Tue, 28 Jan 2020 15:16:05 -0700 Message-Id: <1580249770-1088-2-git-send-email-jcrouse@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1580249770-1088-1-git-send-email-jcrouse@codeaurora.org> References: <1580249770-1088-1-git-send-email-jcrouse@codeaurora.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200128_141623_460570_D915DBCD X-CRM114-Status: GOOD ( 11.84 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [104.130.122.25 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid 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: robin.murphy@arm.com, Joerg Roedel , linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, will@kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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 domain so that it can set the appropriate pagetable through it's own means. Signed-off-by: Jordan Crouse --- include/linux/iommu.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/iommu.h b/include/linux/iommu.h index b14398b..0e9bcd9 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -128,6 +128,8 @@ enum iommu_attr { DOMAIN_ATTR_DMA_USE_FLUSH_QUEUE, /* Enable split pagetables (for example, TTBR1 on arm-smmu) */ DOMAIN_ATTR_SPLIT_TABLES, + /* Return the pagetable base address */ + DOMAIN_ATTR_PTBASE, DOMAIN_ATTR_MAX, };