From patchwork Sun Nov 28 02:50:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baolu Lu X-Patchwork-Id: 12642585 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8FF5AC433EF for ; Sun, 28 Nov 2021 02:53:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241335AbhK1C4U (ORCPT ); Sat, 27 Nov 2021 21:56:20 -0500 Received: from mga06.intel.com ([134.134.136.31]:61303 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231843AbhK1CyU (ORCPT ); Sat, 27 Nov 2021 21:54:20 -0500 X-IronPort-AV: E=McAfee;i="6200,9189,10181"; a="296601599" X-IronPort-AV: E=Sophos;i="5.87,270,1631602800"; d="scan'208";a="296601599" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Nov 2021 18:51:04 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,270,1631602800"; d="scan'208";a="652488906" Received: from allen-box.sh.intel.com ([10.239.159.118]) by fmsmga001.fm.intel.com with ESMTP; 27 Nov 2021 18:50:57 -0800 From: Lu Baolu To: Greg Kroah-Hartman , Joerg Roedel , Alex Williamson , Bjorn Helgaas , Jason Gunthorpe , Christoph Hellwig , Kevin Tian , Ashok Raj Cc: Will Deacon , Robin Murphy , Dan Williams , rafael@kernel.org, Diana Craciun , Cornelia Huck , Eric Auger , Liu Yi L , Jacob jun Pan , Chaitanya Kulkarni , Stuart Yoder , Laurentiu Tudor , Thierry Reding , David Airlie , Daniel Vetter , Jonathan Hunter , Li Yang , iommu@lists.linux-foundation.org, linux-pci@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Lu Baolu Subject: [PATCH v2 00/17] Fix BUG_ON in vfio_iommu_group_notifier() Date: Sun, 28 Nov 2021 10:50:34 +0800 Message-Id: <20211128025051.355578-1-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org The original post and intent of this series is here. https://lore.kernel.org/linux-iommu/20211115020552.2378167-1-baolu.lu@linux.intel.com/ Change log: v1: initial post - https://lore.kernel.org/linux-iommu/20211115020552.2378167-1-baolu.lu@linux.intel.com/ v2: - Move kernel dma ownership auto-claiming from driver core to bus callback. [Greg/Christoph/Robin/Jason] https://lore.kernel.org/linux-iommu/20211115020552.2378167-1-baolu.lu@linux.intel.com/T/#m153706912b770682cb12e3c28f57e171aa1f9d0c - Code and interface refactoring for iommu_set/release_dma_owner() interfaces. [Jason] https://lore.kernel.org/linux-iommu/20211115020552.2378167-1-baolu.lu@linux.intel.com/T/#mea70ed8e4e3665aedf32a5a0a7db095bf680325e - [NEW]Add new iommu_attach/detach_device_shared() interfaces for multiple devices group. [Robin/Jason] https://lore.kernel.org/linux-iommu/20211115020552.2378167-1-baolu.lu@linux.intel.com/T/#mea70ed8e4e3665aedf32a5a0a7db095bf680325e - [NEW]Use iommu_attach/detach_device_shared() in drm/tegra drivers. - Refactoring and description refinement. This is based on v5.16-rc2 and available on github: https://github.com/LuBaolu/intel-iommu/commits/iommu-dma-ownership-v2 Best regards, baolu Jason Gunthorpe (2): vfio: Delete the unbound_list drm/tegra: Use the iommu dma_owner mechanism Lu Baolu (15): iommu: Add device dma ownership set/release interfaces driver core: Add dma_unconfigure callback in bus_type PCI: Add driver dma ownership management driver core: platform: Add driver dma ownership management amba: Add driver dma ownership management bus: fsl-mc: Add driver dma ownership management PCI: pci_stub: Suppress kernel DMA ownership auto-claiming PCI: portdrv: Suppress kernel DMA ownership auto-claiming iommu: Add security context management for assigned devices iommu: Expose group variants of dma ownership interfaces iommu: Add iommu_at[de]tach_device_shared() for multi-device groups vfio: Set DMA USER ownership for VFIO devices vfio: Remove use of vfio_group_viable() vfio: Remove iommu group notifier iommu: Remove iommu group changes notifier include/linux/amba/bus.h | 1 + include/linux/device/bus.h | 3 + include/linux/fsl/mc.h | 5 + include/linux/iommu.h | 93 ++++++-- include/linux/pci.h | 5 + include/linux/platform_device.h | 1 + drivers/amba/bus.c | 30 ++- drivers/base/dd.c | 7 +- drivers/base/platform.c | 30 ++- drivers/bus/fsl-mc/fsl-mc-bus.c | 26 +- drivers/gpu/drm/tegra/dc.c | 1 + drivers/gpu/drm/tegra/drm.c | 55 ++--- drivers/gpu/drm/tegra/gr2d.c | 1 + drivers/gpu/drm/tegra/gr3d.c | 1 + drivers/gpu/drm/tegra/vic.c | 1 + drivers/iommu/iommu.c | 329 ++++++++++++++++++++------ drivers/pci/pci-driver.c | 21 ++ drivers/pci/pci-stub.c | 1 + drivers/pci/pcie/portdrv_pci.c | 2 + drivers/vfio/fsl-mc/vfio_fsl_mc.c | 1 + drivers/vfio/pci/vfio_pci.c | 1 + drivers/vfio/platform/vfio_amba.c | 1 + drivers/vfio/platform/vfio_platform.c | 1 + drivers/vfio/vfio.c | 248 ++----------------- 24 files changed, 502 insertions(+), 363 deletions(-)