diff options
Diffstat (limited to 'include/linux/iommu.h')
| -rw-r--r-- | include/linux/iommu.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h index e8c9a7da1060..d31642596675 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -65,6 +65,7 @@ struct iommu_domain_geometry { #define __IOMMU_DOMAIN_SVA (1U << 4) /* Shared process address space */ +#define IOMMU_DOMAIN_ALLOC_FLAGS ~__IOMMU_DOMAIN_DMA_FQ /* * This are the possible domain-types * @@ -127,6 +128,11 @@ 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 */ |