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Tue, 28 Jan 2020 22:16:19 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 4E8FAC447A2; Tue, 28 Jan 2020 22:16:19 +0000 (UTC) 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> Cc: robin.murphy@arm.com, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, will@kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" 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, }; -- 2.7.4 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu