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OpenHCL: Enable VFIO cdev + IOMMUFD and implement new solution for VF Keep alive - #164

Draft

Naman Jain (namancse) wants to merge 18 commits into

product/hcl-main/6.18from

user/namjain/iommufd-cdev-6.18-v2

Draft

OpenHCL: Enable VFIO cdev + IOMMUFD and implement new solution for VF Keep alive#164
Naman Jain (namancse) wants to merge 18 commits into
product/hcl-main/6.18from
user/namjain/iommufd-cdev-6.18-v2

Commits on Oct 26, 2026
- iommufd: Support a HWPT without an iommu driver for noiommu
  
  Jason Gunthorpe (jgunthorpe)
  authored and
  Naman Jain
  committed
  088a30c
- iommufd: Move igroup allocation to a function
  
  Jason Gunthorpe (jgunthorpe)
  authored and
  Naman Jain
  committed
  72faf5c
- iommufd: Allow binding to a noiommu device
  
  Jason Gunthorpe (jgunthorpe)
  authored and
  Naman Jain
  committed
  9876621
- iommufd: Add an ioctl to query PA from IOVA for noiommu mode
  
  Jacob Pan (jacobpan)
  authored and
  Naman Jain
  committed
  8fbb60a
- vfio: Enable cdev noiommu mode under iommufd
  
  Jacob Pan (jacobpan)
  authored and
  Naman Jain
  committed
  4dad387
- Documentation: Update VFIO NOIOMMU mode
  
  Jacob Pan (jacobpan)
  authored and
  Naman Jain
  committed
  a1208d7
- genpt: Generic Page Table base API
  
  Jason Gunthorpe (jgunthorpe)
  authored and
  Naman Jain
  committed
  3c2d5d1
- iommupt: Add the basic structure of the iommu implementation
  
  Jason Gunthorpe (jgunthorpe)
  authored and
  Naman Jain
  committed
  e81e377
- iommupt: Add the AMD IOMMU v1 page table format
  
  Jason Gunthorpe (jgunthorpe)
  authored and
  Naman Jain
  committed
  034ecba
- iommupt: Add iova_to_phys op
  
  Jason Gunthorpe (jgunthorpe)
  authored and
  Naman Jain
  committed
  b3a631a
- iommupt: Add unmap_pages op
  
  Jason Gunthorpe (jgunthorpe)
  authored and
  Naman Jain
  committed
  913e0ab
- iommupt: Add map_pages op
  
  Jason Gunthorpe (jgunthorpe)
  authored and
  Naman Jain
  committed
  0ddefe8
- iommupt: Add read_and_clear_dirty op
  
  Jason Gunthorpe (jgunthorpe)
  authored and
  Naman Jain
  committed
  6987db1
- iommufd: Drop dmabuf revoke check from noiommu PA lookup
  
  Jacob Pan (jacobpan)
  authored and
  Naman Jain
  committed
  70812c8
- Revert "vfio/pci: Add ioctl to keep VF alive"
  Naman Jain
  committed
  5ef12d6
Commits on Oct 27, 2026
- vfio: preserve device state during servicing bind
  Naman Jain
  committed
  60fded6
- iommupt: handle NULL page-table allocation failures
  Naman Jain
  committed
  b14bbf4
- Microsoft: enable VFIO cdev and iommufd noiommu on x64 and arm64
  Naman Jain
  committed
  bc0045a

Commits

Commits on Oct 26, 2026

Commits on Oct 27, 2026