diff options
| -rw-r--r-- | drivers/iommu/intel/iommu.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 9ff8b83c19a3..90ad794a1be7 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -2149,6 +2149,16 @@ static bool device_rmrr_is_relaxable(struct device *dev) static int device_def_domain_type(struct device *dev) { + struct device_domain_info *info = dev_iommu_priv_get(dev); + struct intel_iommu *iommu = info->iommu; + + /* + * Hardware does not support the passthrough translation mode. + * Always use a dynamaic mapping domain. + */ + if (!ecap_pass_through(iommu->ecap)) + return IOMMU_DOMAIN_DMA; + if (dev_is_pci(dev)) { struct pci_dev *pdev = to_pci_dev(dev); |