diff options
Diffstat (limited to 'drivers/iommu/intel/cache.c')
| -rw-r--r-- | drivers/iommu/intel/cache.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/iommu/intel/cache.c b/drivers/iommu/intel/cache.c index 265e7290256b..385ae5cfb30d 100644 --- a/drivers/iommu/intel/cache.c +++ b/drivers/iommu/intel/cache.c @@ -363,6 +363,13 @@ static void qi_batch_add_pasid_dev_iotlb(struct intel_iommu *iommu, u16 sid, u16 qi_batch_increment_index(iommu, batch); } +static bool intel_domain_use_piotlb(struct dmar_domain *domain) +{ + return domain->domain.type == IOMMU_DOMAIN_SVA || + domain->domain.type == IOMMU_DOMAIN_NESTED || + intel_domain_is_fs_paging(domain); +} + static void cache_tag_flush_iotlb(struct dmar_domain *domain, struct cache_tag *tag, unsigned long addr, unsigned long pages, unsigned long mask, int ih) @@ -370,7 +377,7 @@ static void cache_tag_flush_iotlb(struct dmar_domain *domain, struct cache_tag * struct intel_iommu *iommu = tag->iommu; u64 type = DMA_TLB_PSI_FLUSH; - if (intel_domain_is_fs_paging(domain)) { + if (intel_domain_use_piotlb(domain)) { qi_batch_add_piotlb(iommu, tag->domain_id, tag->pasid, addr, pages, ih, domain->qi_batch); return; |