From patchwork Mon Dec 16 16:37:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jordan Crouse X-Patchwork-Id: 11294601 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 AC3761593 for ; Mon, 16 Dec 2019 16:38:46 +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 642EC206E0 for ; Mon, 16 Dec 2019 16:38:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ZEFaWRg/"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="k+Sz/nuF" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 642EC206E0 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=yTqb+Ri7anJwGiVAX22R2XXNSbqAu4VpwBmuRRDaqkI=; b=ZEFaWRg/fB6flOhNMDa1MPr+Nv Xdvr7yusn9zTWnHzSIoKiydNv1F/GzB4M5Ium2mX/GFWYhJlb0pZPALxnIg7wNeogPJH2enXbigIU 262Bv5n9+yf6NFUf+/Z35K8u6JDwyn1L87L/44yaDuQY9ZLnYwiKWUmkR/j2jrKHHCXNL03/V607J 2y9qn9BlPrZDG1TH8+Tcura3krle4He2P35tz3PdvJWrCSRkKw3UNEsMDKmUxIo8VgX4GCLrNsFjr VL19zThwd3JVvMEWt5HVls60Vah2vjHPFZ7q8zbITY52qH2VklnOSe0StdriqWKUgoiUPisdEk9Hs sU31Fa0g==; 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 1igtOO-00006P-Gi; Mon, 16 Dec 2019 16:38:44 +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 1igtNm-00081T-Sm for linux-arm-kernel@lists.infradead.org; Mon, 16 Dec 2019 16:38:09 +0000 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1576514287; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=LlIVbJcGYOknpTjb+FFx9EJIWbDtuWfeqVz18lns83c=; b=k+Sz/nuFnUJ2DCP9Nh3XqgRrc6wivYu/bZ1yjkttbLTtrmNGOh3jJBH7e0G3c8KAP/GeV0NC APbDc5pUdVIathqpBgTQPcx8SASW3chxHRKfu5oRFbcrjtfJwtjrOwR8/DUsWNHMhDT+RZSX 17aY1Gv1G82/FeW40zOs2yuWabE= 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 5df7b2ea.7fd75fd0fed8-smtp-out-n01; Mon, 16 Dec 2019 16:38:02 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 86D4DC433CB; Mon, 16 Dec 2019 16:38:00 +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 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 5BF27C43383; Mon, 16 Dec 2019 16:37:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 5BF27C43383 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 v3 1/5] iommu: Add DOMAIN_ATTR_SPLIT_TABLES Date: Mon, 16 Dec 2019 09:37:47 -0700 Message-Id: <1576514271-15687-2-git-send-email-jcrouse@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1576514271-15687-1-git-send-email-jcrouse@codeaurora.org> References: <1576514271-15687-1-git-send-email-jcrouse@codeaurora.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191216_083807_278289_CC01168B X-CRM114-Status: GOOD ( 11.54 ) X-Spam-Score: -0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [104.130.122.25 listed in wl.mailspike.net] -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_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 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 a new attribute to enable and query the state of split pagetables for the domain. Signed-off-by: Jordan Crouse Acked-by: Will Deacon --- include/linux/iommu.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/iommu.h b/include/linux/iommu.h index f2223cb..18c861e 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -126,6 +126,7 @@ enum iommu_attr { DOMAIN_ATTR_FSL_PAMUV1, DOMAIN_ATTR_NESTING, /* two stages of translation */ DOMAIN_ATTR_DMA_USE_FLUSH_QUEUE, + DOMAIN_ATTR_SPLIT_TABLES, DOMAIN_ATTR_MAX, };