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=-11.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 38D76C433E6 for ; Wed, 27 Jan 2021 15:44:40 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 70FDC207B7 for ; Wed, 27 Jan 2021 15:44:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 70FDC207B7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id E357985F46; Wed, 27 Jan 2021 15:44:38 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id LjtgzrlTIJzG; Wed, 27 Jan 2021 15:44:38 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by fraxinus.osuosl.org (Postfix) with ESMTP id 439C385F29; Wed, 27 Jan 2021 15:44:38 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 13EF0C013A; Wed, 27 Jan 2021 15:44:38 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id 7A377C013A for ; Wed, 27 Jan 2021 15:44:36 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 5986A227AD for ; Wed, 27 Jan 2021 15:44:36 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id UZfRX2Xgwr9f for ; Wed, 27 Jan 2021 15:44:35 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mail-wr1-f43.google.com (mail-wr1-f43.google.com [209.85.221.43]) by silver.osuosl.org (Postfix) with ESMTPS id 2E232226F3 for ; Wed, 27 Jan 2021 15:44:35 +0000 (UTC) Received: by mail-wr1-f43.google.com with SMTP id g10so2413414wrx.1 for ; Wed, 27 Jan 2021 07:44:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=wS1ZhkPy53Ug869D5KbFul/TixGQjhvdRxH2RGl6FFE=; b=yN8+ZEYXs60LN4H3/iPUmkayFZ/QFexI3MYPBddUqnXmHvaY0MXGcSoHtKGUGxBV7c htle9Dm4IzXGK+AFIQBxOCDlyawRU2/4Zxpk022izvBIRBliGrxNFxcTQBDRUV8NGYff WjI+fQb5fNoNcnAcq1+EM4Zr40bYkcq0Pq9P8M1MRSSkWNS/u7gmKPYcWqSWnuZDM2sY 7O235W+myUX8QySNqVx40PNuAvAQePQiBSFrRXdcGt1cNOmrWFEiBxF2Y2jp5jL50DRM UNJ9LSP88Qref/3tFFBjVg1GkIQGAKo4NjTZsaCKcq8f9eE2WMxyrP1DYs3odfFOss1P Nhuw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=wS1ZhkPy53Ug869D5KbFul/TixGQjhvdRxH2RGl6FFE=; b=JBQWc2AK4XMUVlmZR6xrOR0896NLwwGKEgRsaX5P5vuF2Iou8CxHcF1h+r2qCPKUkb G7EisIW69z4tCGdi5FVTpUZn3X0CyROuXacyIXbwncFiqv4gefG/bEsgS1mASCgS5JwG yldxeGwznh9ZFV0Z3XkSYmwdnlOe4tTDlhLmhQEfLWB76XRGobM0YGPNVuRd0BKYRUzh rdrSWtEESe6RITm1exzl0TaZzRWmYeZ+1gqbID8E863F3LCJDV6Gevf35dZ7ZgS6SLdn cmCUhqHm0ayiscs3zUts3l0ukEpLQv7GPxXtbDpHgXm9K9D7KjpY7QWIwgJraPT5lNw9 fogQ== X-Gm-Message-State: AOAM530yJNmf7xM/pg/p7vMSOvcA5qPnpJaJKUw1k5uvCIXkWPEwD0ct vEcfKmZnEfzZR6dmuKEXiWaKTg== X-Google-Smtp-Source: ABdhPJw8bmHv9UQA9WE+SkZNIdRG10VRBsv+I85VSHEhTtrJjAVrYGHN6RHpUEQcYQaNw5S9xdZKEg== X-Received: by 2002:adf:f743:: with SMTP id z3mr11958548wrp.165.1611762273360; Wed, 27 Jan 2021 07:44:33 -0800 (PST) Received: from localhost.localdomain ([2001:1715:4e26:a7e0:116c:c27a:3e7f:5eaf]) by smtp.gmail.com with ESMTPSA id r13sm3046921wmh.9.2021.01.27.07.44.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Jan 2021 07:44:32 -0800 (PST) From: Jean-Philippe Brucker To: joro@8bytes.org, will@kernel.org Subject: [PATCH v12 00/10] iommu: I/O page faults for SMMUv3 Date: Wed, 27 Jan 2021 16:43:13 +0100 Message-Id: <20210127154322.3959196-1-jean-philippe@linaro.org> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 Cc: vivek.gautam@arm.com, guohanjun@huawei.com, Jean-Philippe Brucker , linux-acpi@vger.kernel.org, zhangfei.gao@linaro.org, lenb@kernel.org, devicetree@vger.kernel.org, kevin.tian@intel.com, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, rjw@rjwysocki.net, iommu@lists.linux-foundation.org, sudeep.holla@arm.com, robin.murphy@arm.com, linux-accelerators@lists.ozlabs.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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Add stall support to the SMMUv3, along with a common I/O Page Fault handler. Since v11 I added a sanity check in arm_smmu_dev_disable_feature(), patch 10: return -EBUSY if device drivers attempt to disable the IOPF feature before SVA. That would leak the IOPF param and fault handler. v11: https://lore.kernel.org/linux-iommu/20210125110650.3232195-1-jean-philippe@linaro.org/ v10: https://lore.kernel.org/linux-iommu/20210121123623.2060416-1-jean-philippe@linaro.org/ v9: https://lore.kernel.org/linux-iommu/20210108145217.2254447-1-jean-philippe@linaro.org/ Jean-Philippe Brucker (10): iommu: Fix comment for struct iommu_fwspec iommu/arm-smmu-v3: Use device properties for pasid-num-bits iommu: Separate IOMMU_DEV_FEAT_IOPF from IOMMU_DEV_FEAT_SVA iommu/vt-d: Support IOMMU_DEV_FEAT_IOPF uacce: Enable IOMMU_DEV_FEAT_IOPF iommu: Add a page fault handler iommu/arm-smmu-v3: Maintain a SID->device structure dt-bindings: document stall property for IOMMU masters ACPI/IORT: Enable stall support for platform devices iommu/arm-smmu-v3: Add stall support for platform devices drivers/iommu/Makefile | 1 + .../devicetree/bindings/iommu/iommu.txt | 18 + drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 56 ++- drivers/iommu/iommu-sva-lib.h | 53 ++ include/linux/iommu.h | 26 +- drivers/acpi/arm64/iort.c | 15 +- .../iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c | 59 ++- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 351 +++++++++++-- drivers/iommu/intel/iommu.c | 11 +- drivers/iommu/io-pgfault.c | 461 ++++++++++++++++++ drivers/iommu/of_iommu.c | 5 - drivers/misc/uacce/uacce.c | 39 +- 12 files changed, 1021 insertions(+), 74 deletions(-) create mode 100644 drivers/iommu/io-pgfault.c -- 2.30.0 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu