iommufd/selftest: Add mock_viommu_cache_invalidate

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Similar to the coverage of cache_invalidate_user for iotlb invalidation,
add a device cache and a viommu_cache_invalidate function to test it out.

Link: https://patch.msgid.link/r/a29c7c23d7cd143fb26ab68b3618e0957f485fdb.1730836308.git.nicolinc@nvidia.com
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

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Nicolin Chen 2024-11-05 12:05:15 -08:00 • committed by Jason Gunthorpe

parent c747e67978

commit d6563aa2a8

2 changed files with 100 additions and 1 deletions

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25

drivers/iommu/iommufd/iommufd_test.h

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76

drivers/iommu/iommufd/selftest.c

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