static int attach_device(struct device *dev,
struct protection_domain *domain)
{
- struct pci_dev *pdev;
struct iommu_dev_data *dev_data;
+ struct pci_dev *pdev;
unsigned long flags;
int ret;
pdev = to_pci_dev(dev);
if (domain->flags & PD_IOMMUV2_MASK) {
+ struct iommu_domain *def_domain = iommu_get_dma_domain(dev);
+
ret = -EINVAL;
- if (!dev_data->passthrough)
+ if (def_domain->type != IOMMU_DOMAIN_IDENTITY)
goto out;
if (dev_data->iommu_v2) {
/* Domains are initialized for this device - have a look what we ended up with */
domain = iommu_get_domain_for_dev(dev);
- if (domain->type == IOMMU_DOMAIN_IDENTITY)
- dev_data->passthrough = true;
- else if (domain->type == IOMMU_DOMAIN_DMA)
+ if (domain->type == IOMMU_DOMAIN_DMA)
iommu_setup_dma_ops(dev, IOVA_START_PFN << PAGE_SHIFT, 0);
out: