diff options
Diffstat (limited to 'drivers/iommu')
| -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 28a998afaf74..c137f0f2cf49 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -5697,6 +5697,15 @@ intel_iommu_dev_feat_enabled(struct device *dev, enum iommu_dev_features feat) return false; } +static int +intel_iommu_aux_get_pasid(struct iommu_domain *domain, struct device *dev) +{ + struct dmar_domain *dmar_domain = to_dmar_domain(domain); + + return dmar_domain->default_pasid > 0 ? + dmar_domain->default_pasid : -EINVAL; +} + const struct iommu_ops intel_iommu_ops = { .capable = intel_iommu_capable, .domain_alloc = intel_iommu_domain_alloc, @@ -5705,6 +5714,7 @@ const struct iommu_ops intel_iommu_ops = { .detach_dev = intel_iommu_detach_device, .aux_attach_dev = intel_iommu_aux_attach_device, .aux_detach_dev = intel_iommu_aux_detach_device, + .aux_get_pasid = intel_iommu_aux_get_pasid, .map = intel_iommu_map, .unmap = intel_iommu_unmap, .iova_to_phys = intel_iommu_iova_to_phys, |