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ce2cd17546
Previous patch enhanced core layer to check device PASID capability and
pass right flags to ops->domain_alloc_user().
Enhance amd_iommu_domain_alloc_user() to allocate domain with
appropriate page table based on flags parameter.
- If flags is empty then allocate domain with default page table type.
This will eventually replace ops->domain_alloc().
For UNMANAGED domain, core will call this interface with flags=0. So
AMD driver will continue to allocate V1 page table.
- If IOMMU_HWPT_ALLOC_PASID flags is passed then allocate domain with v2
page table.
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20241028093810.5901-10-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Linux kernel
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