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| author | Joao Martins <joao.m.martins@oracle.com> | 2023-10-24 16:51:08 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2023-10-24 17:58:44 +0300 |
| commit | ae36fe70cea4d7c177452ab41e6734fa3cbd4ad8 (patch) | |
| tree | 631a5bc80986b4f5efbd6e2b79eeb21169de53d8 /drivers/iommu/iommufd | |
| parent | a9af47e382a4d517685cb13c780272e7f300ebc5 (diff) | |
| download | linux-ae36fe70cea4d7c177452ab41e6734fa3cbd4ad8.tar.xz | |
iommufd/selftest: Test out_capabilities in IOMMU_GET_HW_INFO
Enumerate the capabilities from the mock device and test whether it
advertises as expected. Include it as part of the iommufd_dirty_tracking
fixture.
Link: https://lore.kernel.org/r/20231024135109.73787-18-joao.m.martins@oracle.com
Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/iommu/iommufd')
| -rw-r--r-- | drivers/iommu/iommufd/selftest.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/iommu/iommufd/selftest.c b/drivers/iommu/iommufd/selftest.c index 4eb86025dde9..0eb01d1f9df8 100644 --- a/drivers/iommu/iommufd/selftest.c +++ b/drivers/iommu/iommufd/selftest.c @@ -376,7 +376,18 @@ static phys_addr_t mock_domain_iova_to_phys(struct iommu_domain *domain, static bool mock_domain_capable(struct device *dev, enum iommu_cap cap) { - return cap == IOMMU_CAP_CACHE_COHERENCY; + struct mock_dev *mdev = container_of(dev, struct mock_dev, dev); + + switch (cap) { + case IOMMU_CAP_CACHE_COHERENCY: + return true; + case IOMMU_CAP_DIRTY_TRACKING: + return !(mdev->flags & MOCK_FLAGS_DEVICE_NO_DIRTY); + default: + break; + } + + return false; } static void mock_domain_set_plaform_dma_ops(struct device *dev) |