diff options
Diffstat (limited to 'drivers/iommu/intel/nested.c')
| -rw-r--r-- | drivers/iommu/intel/nested.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/iommu/intel/nested.c b/drivers/iommu/intel/nested.c index 42c4533a6ea2..aba92c00b427 100644 --- a/drivers/iommu/intel/nested.c +++ b/drivers/iommu/intel/nested.c @@ -186,14 +186,21 @@ static const struct iommu_domain_ops intel_nested_domain_ops = { .cache_invalidate_user = intel_nested_cache_invalidate_user, }; -struct iommu_domain *intel_nested_domain_alloc(struct iommu_domain *parent, - const struct iommu_user_data *user_data) +struct iommu_domain * +intel_iommu_domain_alloc_nested(struct device *dev, struct iommu_domain *parent, + u32 flags, + const struct iommu_user_data *user_data) { + struct device_domain_info *info = dev_iommu_priv_get(dev); struct dmar_domain *s2_domain = to_dmar_domain(parent); + struct intel_iommu *iommu = info->iommu; struct iommu_hwpt_vtd_s1 vtd; struct dmar_domain *domain; int ret; + if (!nested_supported(iommu) || flags) + return ERR_PTR(-EOPNOTSUPP); + /* Must be nested domain */ if (user_data->type != IOMMU_HWPT_DATA_VTD_S1) return ERR_PTR(-EOPNOTSUPP); |