[PATCH v5 09/13] iommufd/selftest: Add IOMMU_TEST_OP_DEV_CHECK_CACHE test command

[Tian, Kevin]

> From: Nicolin Chen <nicolinc at nvidia.com>
> Sent: Saturday, October 26, 2024 7:51 AM
> 
> Similar to IOMMU_TEST_OP_MD_CHECK_IOTLB verifying a mock_domain's
> iotlb,
> IOMMU_TEST_OP_DEV_CHECK_CACHE will be used to verify a mock_dev's
> cache.
> 
> Signed-off-by: Nicolin Chen <nicolinc at nvidia.com>

Reviewed-by: Kevin Tian <kevin.tian at intel.com>