diff options
Diffstat (limited to 'include/linux/iommu.h')
| -rw-r--r-- | include/linux/iommu.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h index e8c9a7da1060..1b7180d6edae 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -127,6 +127,11 @@ enum iommu_cap { * this device. */ IOMMU_CAP_ENFORCE_CACHE_COHERENCY, + /* + * IOMMU driver does not issue TLB maintenance during .unmap, so can + * usefully support the non-strict DMA flush queue. + */ + IOMMU_CAP_DEFERRED_FLUSH, }; /* These are the possible reserved region types */ |