On Wed, Oct 30, 2024 at 02:34:38PM -0700, Nicolin Chen wrote:
> +FIXTURE_SETUP(iommufd_viommu)
> +{
> + self->fd = open("/dev/iommu", O_RDWR);
> + ASSERT_NE(-1, self->fd);
> + test_ioctl_ioas_alloc(&self->ioas_id);
> + test_ioctl_set_default_memory_limit();
> +
> + if (variant->viommu) {
> + struct iommu_hwpt_selftest data = {
> + .iotlb = IOMMU_TEST_IOTLB_DEFAULT,
> + };
> +
> + test_cmd_mock_domain(self->ioas_id, &self->stdev_id, NULL,
> + &self->device_id);
> +
> + /* Negative test -- invalid hwpt */
> + test_err_viommu_alloc(ENOENT, self->device_id, self->hwpt_id,
> + IOMMU_VIOMMU_TYPE_SELFTEST, NULL);
> +
> + /* Negative test -- not a nesting parent hwpt */
> + test_cmd_hwpt_alloc(self->device_id, self->ioas_id, 0,
> + &self->hwpt_id);
> + test_err_viommu_alloc(EINVAL, self->device_id, self->hwpt_id,
> + IOMMU_VIOMMU_TYPE_SELFTEST, NULL);
> + test_ioctl_destroy(self->hwpt_id);
> +
> + /* Allocate a nesting parent hwpt */
> + test_cmd_hwpt_alloc(self->device_id, self->ioas_id,
> + IOMMU_HWPT_ALLOC_NEST_PARENT,
> + &self->hwpt_id);
> + /* Negative test -- unsupported viommu type */
> + test_err_viommu_alloc(EOPNOTSUPP, self->device_id,
> + self->hwpt_id, 0xdead, NULL);
> +
> + /* Allocate a vIOMMU taking refcount of the parent hwpt */
> + test_cmd_viommu_alloc(self->device_id, self->hwpt_id,
> + IOMMU_VIOMMU_TYPE_SELFTEST,
> + &self->viommu_id);
> + EXPECT_ERRNO(EBUSY,
> + _test_ioctl_destroy(self->fd, self->hwpt_id));
There shouldn't be testing in the FIXTURE_SETUP, it should just do
enough to setup the fixture. negative tests/etc should be in their own
function
Jason
