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| author | Yi Liu <yi.l.liu@intel.com> | 2023-09-28 00:15:27 -0700 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2023-10-10 13:31:24 -0300 |
| commit | 408663619fcfc89c087df65b362c91bf0a0be617 (patch) | |
| tree | b0eaee0cd0d88b3f0c14f62461a4d4cb529bd88f /drivers/iommu/iommufd | |
| parent | 4ff542163397073f86eda484318d61980ff1031d (diff) | |
| download | linux-stable-408663619fcfc89c087df65b362c91bf0a0be617.tar.gz linux-stable-408663619fcfc89c087df65b362c91bf0a0be617.tar.bz2 linux-stable-408663619fcfc89c087df65b362c91bf0a0be617.zip | |
iommufd/selftest: Add domain_alloc_user() support in iommu mock
Add mock_domain_alloc_user() and a new test case for
IOMMU_HWPT_ALLOC_NEST_PARENT.
Link: https://lore.kernel.org/r/20230928071528.26258-6-yi.l.liu@intel.com
Co-developed-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/iommu/iommufd')
| -rw-r--r-- | drivers/iommu/iommufd/selftest.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/iommu/iommufd/selftest.c b/drivers/iommu/iommufd/selftest.c index 56506d5753f1..fe7e3c7d933a 100644 --- a/drivers/iommu/iommufd/selftest.c +++ b/drivers/iommu/iommufd/selftest.c @@ -146,6 +146,8 @@ static void *mock_domain_hw_info(struct device *dev, u32 *length, u32 *type) return info; } +static const struct iommu_ops mock_ops; + static struct iommu_domain *mock_domain_alloc(unsigned int iommu_domain_type) { struct mock_iommu_domain *mock; @@ -162,10 +164,26 @@ static struct iommu_domain *mock_domain_alloc(unsigned int iommu_domain_type) mock->domain.geometry.aperture_start = MOCK_APERTURE_START; mock->domain.geometry.aperture_end = MOCK_APERTURE_LAST; mock->domain.pgsize_bitmap = MOCK_IO_PAGE_SIZE; + mock->domain.ops = mock_ops.default_domain_ops; + mock->domain.type = iommu_domain_type; xa_init(&mock->pfns); return &mock->domain; } +static struct iommu_domain * +mock_domain_alloc_user(struct device *dev, u32 flags) +{ + struct iommu_domain *domain; + + if (flags & (~IOMMU_HWPT_ALLOC_NEST_PARENT)) + return ERR_PTR(-EOPNOTSUPP); + + domain = mock_domain_alloc(IOMMU_DOMAIN_UNMANAGED); + if (!domain) + domain = ERR_PTR(-ENOMEM); + return domain; +} + static void mock_domain_free(struct iommu_domain *domain) { struct mock_iommu_domain *mock = @@ -307,6 +325,7 @@ static const struct iommu_ops mock_ops = { .pgsize_bitmap = MOCK_IO_PAGE_SIZE, .hw_info = mock_domain_hw_info, .domain_alloc = mock_domain_alloc, + .domain_alloc_user = mock_domain_alloc_user, .capable = mock_domain_capable, .set_platform_dma_ops = mock_domain_set_plaform_dma_ops, .device_group = generic_device_group, |