From patchwork Tue Sep 3 03:32:01 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krishna Reddy X-Patchwork-Id: 11127145 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 B85DB1399 for ; Tue, 3 Sep 2019 03:31:07 +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 94FBD21881 for ; Tue, 3 Sep 2019 03:31:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="OzNLwMp+"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="kwrJNN0Z" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 94FBD21881 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nvidia.com 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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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:In-Reply-To:References: List-Owner; bh=YbkG5Mf1uh60DeXNztzPzTG8UlD+q5r/FjJj0PXrHAc=; b=OzNLwMp+xEPlog cCnVqB6fgAHbiVVMWSE+GLCnNimtn+62SY3IdbXiecKtKJyGqvFyZcgRC6HHlciJwPNrt3DOescpb 8A86DSmUIU/OAtDUPkG5BQaksddAI11WlHWvWRBRdKJWD6fYKi3jByeTHm9sntd1D/2t8QOB1BkE4 /AKTtKOgRsSMLap76sapkZDAgDe+l9TFm6/jJpvGOhkj1xZKFHn9fKukeMNKHCQNZpxOneFsPAYL3 MqZR4N0FThmgYmsL9614OL7DUjewf+zxdEsL3E0DuvooNIsJLEZ0qTUzWxMQDnFUO6F17yyBT1cbM llngCxazHYOn0mPqabLg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i4zX8-0002pn-Nu; Tue, 03 Sep 2019 03:31:06 +0000 Received: from hqemgate16.nvidia.com ([216.228.121.65]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i4zWc-0002OI-NM for linux-arm-kernel@lists.infradead.org; Tue, 03 Sep 2019 03:30:36 +0000 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 02 Sep 2019 20:30:36 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Mon, 02 Sep 2019 20:30:33 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Mon, 02 Sep 2019 20:30:33 -0700 Received: from HQMAIL110.nvidia.com (172.18.146.15) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 3 Sep 2019 03:30:33 +0000 Received: from HQMAIL105.nvidia.com (172.20.187.12) by hqmail110.nvidia.com (172.18.146.15) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 3 Sep 2019 03:30:33 +0000 Received: from hqnvemgw01.nvidia.com (172.20.150.20) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Tue, 3 Sep 2019 03:30:33 +0000 Received: from vdumpa-ubuntu.nvidia.com (Not Verified[172.17.173.140]) by hqnvemgw01.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Mon, 02 Sep 2019 20:30:33 -0700 From: Krishna Reddy To: Subject: [PATCH v2 0/7] Nvidia Arm SMMUv2 Implementation Date: Mon, 2 Sep 2019 20:32:01 -0700 Message-ID: <1567481528-31163-1-git-send-email-vdumpa@nvidia.com> X-Mailer: git-send-email 2.1.4 X-NVConfidentiality: public MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1567481436; bh=T9BbTYlYBfuyCj1sNd2063D0NTKNlCCYjU+ccrUrfNA=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: X-NVConfidentiality:MIME-Version:Content-Type; b=kwrJNN0Z9MVA02HH4Wy53rTiwgJNHARlt4xypssjUsxFSJGrizKy75cuamg/sjrg/ E9Pt+9meLVYnXR+dl1zRa3/lARZKXWQPX8inmBCdazmVCjUQ2G7Z0tVlpNHzHSxIF1 sZ3oxbnNo77T4+yOPP8NVlvsHwfpUiUeLS0C5nddFZRZShOhuRw4Xv9nktMOChFLo5 df5dH2Pn6HUbQ1ZnxM1VpoUcfFVGIg7+50ecCIQ3HenSasr61ED+8pVkITeCqA+Tpm ChB56uDR2DUhGWujtOHo3TuJRUi9W6KPYzUA+gL5KZglno04DaFZD6McHvjhSW+3ff enfvdybAwqu4Q== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190902_203034_874529_F7BCD6D8 X-CRM114-Status: UNSURE ( 9.36 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [216.228.121.65 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender 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: snikam@nvidia.com, thomasz@nvidia.com, jtukkinen@nvidia.com, mperttunen@nvidia.com, will@kernel.org, joro@8bytes.org, linux-kernel@vger.kernel.org, praithatha@nvidia.com, talho@nvidia.com, olof@lixom.net, iommu@lists.linux-foundation.org, linux-tegra@vger.kernel.org, yhsu@nvidia.com, treding@nvidia.com, robin.murphy@arm.com, avanbrunt@nvidia.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Changes in v2: - Prepare arm_smu_flush_ops for override. - Remove NVIDIA_SMMUv2 and use ARM_SMMUv2 model as T194 SMMU hasn't modified ARM MMU-500. - Add T194 specific compatible string - "nvidia,tegra194-smmu" - Remove tlb_sync hook added in v1 and Override arm_smmu_flush_ops->tlb_sync() from implementation. - Register implementation specific context/global fault hooks directly for irq handling. - Update global/context interrupt list in DT and releant fault handling code in arm-smmu-nvidia.c. - Implement reset hook in arm-smmu-nvidia.c to clear irq status and sync tlb. v1 - https://lkml.org/lkml/2019/8/29/1588 Krishna Reddy (7): iommu/arm-smmu: prepare arm_smmu_flush_ops for override iommu/arm-smmu: add NVIDIA implementation for dual ARM MMU-500 usage dt-bindings: arm-smmu: Add binding for Tegra194 SMMU iommu/arm-smmu: Add global/context fault implementation hooks arm64: tegra: Add Memory controller DT node on T194 arm64: tegra: Add DT node for T194 SMMU arm64: tegra: enable SMMU for SDHCI and EQOS on T194 .../devicetree/bindings/iommu/arm,smmu.txt | 4 + MAINTAINERS | 2 + arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 4 + arch/arm64/boot/dts/nvidia/tegra194.dtsi | 88 +++++++ drivers/iommu/Makefile | 2 +- drivers/iommu/arm-smmu-impl.c | 3 + drivers/iommu/arm-smmu-nvidia.c | 287 +++++++++++++++++++++ drivers/iommu/arm-smmu.c | 27 +- drivers/iommu/arm-smmu.h | 8 +- 9 files changed, 413 insertions(+), 12 deletions(-) create mode 100644 drivers/iommu/arm-smmu-nvidia.c