linux-kernel - [PATCH 00/12] iommu: Remove IOMMU_DEV_FEAT_SVA/

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250214061104.1959525-1-baolu.lu@linux.intel.com>
Date: Fri, 14 Feb 2025 14:10:52 +0800
From: Lu Baolu <baolu.lu@...ux.intel.com>
To: Joerg Roedel <joro@...tes.org>,
	Will Deacon <will@...nel.org>,
	Robin Murphy <robin.murphy@....com>,
	Jason Gunthorpe <jgg@...pe.ca>,
	Kevin Tian <kevin.tian@...el.com>
Cc: Fenghua Yu <fenghua.yu@...el.com>,
	Dave Jiang <dave.jiang@...el.com>,
	Vinod Koul <vkoul@...nel.org>,
	Zhangfei Gao <zhangfei.gao@...aro.org>,
	Zhou Wang <wangzhou1@...ilicon.com>,
	iommu@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Lu Baolu <baolu.lu@...ux.intel.com>,
	Jason Gunthorpe <jgg@...dia.com>
Subject: [PATCH 00/12] iommu: Remove IOMMU_DEV_FEAT_SVA/_IOPF

The new method for driver fault reporting support relies on the domain
to specify a iopf_handler. The driver should detect this and setup the
HW when fault capable domains are attached.

Move SMMUv3 to use this method and have VT-D validate support during
attach so that all three fault capable drivers have a no-op FEAT_SVA and
_IOPF. Then remove them.

This was initiated by Jason. I'm following up to remove FEAT_IOPF and
further clean up.

The whole series is also available at github:
https://github.com/LuBaolu/intel-iommu/commits/iommu_no_feat-v1

Signed-off-by: Jason Gunthorpe <jgg@...dia.com>
Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>

Jason Gunthorpe (3):
  iommu/arm-smmu-v3: Put iopf enablement in the domain attach path
  iommu/vt-d: Check if SVA is supported when attaching the SVA domain
  iommu: Remove IOMMU_DEV_FEAT_SVA

Lu Baolu (9):
  iommu/vt-d: Move scalable mode ATS enablement to probe path
  iommu/vt-d: Move PRI enablement in probe path
  iommu/vt-d: Cleanup intel_context_flush_present()
  iommu/vt-d: Put iopf enablement in domain attach path
  iommufd/selftest: Put iopf enablement in domain attach path
  dmaengine: idxd: Remove unnecessary IOMMU_DEV_FEAT_IOPF
  uacce: Remove unnecessary IOMMU_DEV_FEAT_IOPF
  iommufd: Remove unnecessary IOMMU_DEV_FEAT_IOPF
  iommu: Remove iommu_dev_enable/disable_feature()

 drivers/accel/amdxdna/aie2_pci.c              |  13 +-
 drivers/dma/idxd/init.c                       |  43 +--
 drivers/iommu/amd/iommu.c                     |  34 --
 .../iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c   |  86 +----
 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c   | 130 ++++----
 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h   |  34 +-
 drivers/iommu/intel/iommu.c                   | 301 ++++++------------
 drivers/iommu/intel/iommu.h                   |  50 ++-
 drivers/iommu/intel/nested.c                  |  16 +-
 drivers/iommu/intel/pasid.c                   |  41 +--
 drivers/iommu/intel/prq.c                     |   2 +-
 drivers/iommu/intel/svm.c                     |  52 ++-
 drivers/iommu/iommu-sva.c                     |   3 -
 drivers/iommu/iommu.c                         |  32 --
 drivers/iommu/iommufd/device.c                |   1 -
 drivers/iommu/iommufd/fault.c                 | 111 ++-----
 drivers/iommu/iommufd/iommufd_private.h       |   3 -
 drivers/iommu/iommufd/selftest.c              |  52 ++-
 drivers/misc/uacce/uacce.c                    |  40 ---
 include/linux/iommu.h                         |  35 --
 20 files changed, 380 insertions(+), 699 deletions(-)

-- 
2.43.0