@@ -440,6 +440,31 @@ static struct iommu_device *mock_probe_device(struct device *dev)
return &mock_iommu_device;
}
+static void mock_iommu_remove_dev_pasid(struct device *dev, ioasid_t pasid)
+{
+ struct iommu_domain *domain;
+
+ /* Domain type specific cleanup: */
+ domain = iommu_get_domain_for_dev_pasid(dev, pasid, 0);
+ if (domain) {
+ switch (domain->type) {
+ case IOMMU_DOMAIN_NESTED:
+ case IOMMU_DOMAIN_UNMANAGED:
+ break;
+ default:
+ /* should never reach here */
+ WARN_ON(1);
+ break;
+ }
+ }
+}
+
+static int mock_domain_set_dev_pasid_nop(struct iommu_domain *domain,
+ struct device *dev, ioasid_t pasid)
+{
+ return 0;
+}
+
static const struct iommu_ops mock_ops = {
/*
* IOMMU_DOMAIN_BLOCKED cannot be returned from def_domain_type()
@@ -455,6 +480,7 @@ static const struct iommu_ops mock_ops = {
.capable = mock_domain_capable,
.device_group = generic_device_group,
.probe_device = mock_probe_device,
+ .remove_dev_pasid = mock_iommu_remove_dev_pasid,
.default_domain_ops =
&(struct iommu_domain_ops){
.free = mock_domain_free,
@@ -462,6 +488,7 @@ static const struct iommu_ops mock_ops = {
.map_pages = mock_domain_map_pages,
.unmap_pages = mock_domain_unmap_pages,
.iova_to_phys = mock_domain_iova_to_phys,
+ .set_dev_pasid = mock_domain_set_dev_pasid_nop,
},
};
@@ -519,6 +546,7 @@ static struct iommu_domain_ops domain_nested_ops = {
.free = mock_domain_free_nested,
.attach_dev = mock_domain_nop_attach,
.cache_invalidate_user = mock_domain_cache_invalidate_user,
+ .set_dev_pasid = mock_domain_set_dev_pasid_nop,
};
static inline struct iommufd_hw_pagetable *
The two callbacks are needed to make pasid_attach/detach path complete for mock device. A nop is enough for set_dev_pasid, a domain type check in the remove_dev_pasid is also helpful. Signed-off-by: Yi Liu <yi.l.liu@intel.com> --- drivers/iommu/iommufd/selftest.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+)