linux-kernel - [PATCH v2 0/3] iommu: Retire detach

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Message-Id: <20220826123014.52709-1-baolu.lu@linux.intel.com>
Date:   Fri, 26 Aug 2022 20:30:11 +0800
From:   Lu Baolu <baolu.lu@...ux.intel.com>
To:     Joerg Roedel <joro@...tes.org>, Jason Gunthorpe <jgg@...dia.com>,
        Christoph Hellwig <hch@...radead.org>,
        Kevin Tian <kevin.tian@...el.com>,
        Ashok Raj <ashok.raj@...el.com>, Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Jean-Philippe Brucker <jean-philippe@...aro.com>
Cc:     Eric Auger <eric.auger@...hat.com>, Liu Yi L <yi.l.liu@...el.com>,
        Jacob jun Pan <jacob.jun.pan@...el.com>,
        iommu@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Lu Baolu <baolu.lu@...ux.intel.com>
Subject: [PATCH v2 0/3] iommu: Retire detach_dev callback

Hi folks,

This is a follow-up series after several discussions on blocking domain.
The latest discussion could be found here.

https://lore.kernel.org/linux-iommu/20220510140238.GD49344@nvidia.com/

As .detach_dev equals to setting the blocking domain to the device, this
callback is not needed anymore. This replace .detach_dev callback in the
IOMMU drivers with a static blocking domain and retires this callback.

With .detach_dev retired, rename .attach_dev to .set_dev as it actually
means setting an iommu domain to the device.

This series depends on below series which includes blocking domain
support for VT-d and SMMUv3 drivers.
[1] https://lore.kernel.org/linux-iommu/20220826121141.50743-1-baolu.lu@linux.intel.com/

This series is available on github:
[2] https://github.com/LuBaolu/intel-iommu/commits/iommu-blocking_domain-v2

Please review and suggest.

Best regards,
baolu

Change log:
v2:
 - Replace .detach_dev callback with static block domain ops;
 - Rename .attach_dev to .set_dev.

v1:
 - https://lore.kernel.org/linux-iommu/20220516015759.2952771-1-baolu.lu@linux.intel.com/

Lu Baolu (3):
  iommu: Replace detach_dev with real blocking domains
  iommu: Retire detach_dev domain ops
  iommu: Rename attach_dev to set_dev

 include/linux/iommu.h                       |  6 ++--
 drivers/iommu/amd/iommu.c                   | 24 ++++++++++++--
 drivers/iommu/apple-dart.c                  | 26 ++++++++++++---
 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c |  4 +--
 drivers/iommu/arm/arm-smmu/arm-smmu.c       |  2 +-
 drivers/iommu/arm/arm-smmu/qcom_iommu.c     | 25 +++++++++++++--
 drivers/iommu/exynos-iommu.c                | 25 +++++++++++++--
 drivers/iommu/fsl_pamu_domain.c             | 24 ++++++++++++--
 drivers/iommu/intel/iommu.c                 |  4 +--
 drivers/iommu/iommu.c                       | 35 ++++-----------------
 drivers/iommu/ipmmu-vmsa.c                  | 24 ++++++++++++--
 drivers/iommu/msm_iommu.c                   | 25 +++++++++++++--
 drivers/iommu/mtk_iommu.c                   | 24 ++++++++++++--
 drivers/iommu/mtk_iommu_v1.c                | 24 ++++++++++++--
 drivers/iommu/omap-iommu.c                  | 22 +++++++++++--
 drivers/iommu/rockchip-iommu.c              | 22 +++++++++++--
 drivers/iommu/s390-iommu.c                  | 27 ++++++++++++++--
 drivers/iommu/sprd-iommu.c                  | 25 +++++++++++++--
 drivers/iommu/sun50i-iommu.c                | 25 +++++++++++++--
 drivers/iommu/tegra-gart.c                  | 22 +++++++++++--
 drivers/iommu/tegra-smmu.c                  | 25 +++++++++++++--
 drivers/iommu/virtio-iommu.c                |  2 +-
 22 files changed, 368 insertions(+), 74 deletions(-)

-- 
2.25.1