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| author | Nicolin Chen <nicolinc@nvidia.com> | 2023-08-18 03:10:32 -0700 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2023-08-18 12:52:15 -0300 |
| commit | af4fde93c3196ed2cd4e64109a9307a7bc471c5a (patch) | |
| tree | a516c6354b4e9a6383051732048fd027d4137742 /drivers/iommu/iommufd/iommufd_test.h | |
| parent | 55dd4023cead250c89decf1a7a882c94cbf5765a (diff) | |
| download | linux-stable-af4fde93c3196ed2cd4e64109a9307a7bc471c5a.tar.gz linux-stable-af4fde93c3196ed2cd4e64109a9307a7bc471c5a.tar.bz2 linux-stable-af4fde93c3196ed2cd4e64109a9307a7bc471c5a.zip | |
iommufd/selftest: Add coverage for IOMMU_GET_HW_INFO ioctl
Add a mock_domain_hw_info function and an iommu_test_hw_info data
structure. This allows to test the IOMMU_GET_HW_INFO ioctl passing the
test_reg value for the mock_dev.
Link: https://lore.kernel.org/r/20230818101033.4100-5-yi.l.liu@intel.com
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/iommu/iommufd/iommufd_test.h')
| -rw-r--r-- | drivers/iommu/iommufd/iommufd_test.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/iommu/iommufd/iommufd_test.h b/drivers/iommu/iommufd/iommufd_test.h index 258de2253b61..3f3644375bf1 100644 --- a/drivers/iommu/iommufd/iommufd_test.h +++ b/drivers/iommu/iommufd/iommufd_test.h @@ -100,4 +100,13 @@ struct iommu_test_cmd { }; #define IOMMU_TEST_CMD _IO(IOMMUFD_TYPE, IOMMUFD_CMD_BASE + 32) +/* Mock structs for IOMMU_DEVICE_GET_HW_INFO ioctl */ +#define IOMMU_HW_INFO_TYPE_SELFTEST 0xfeedbeef +#define IOMMU_HW_INFO_SELFTEST_REGVAL 0xdeadbeef + +struct iommu_test_hw_info { + __u32 flags; + __u32 test_reg; +}; + #endif |