1 files changed, 9 insertions, 1 deletions

diff --git a/drivers/infiniband/hw/mthca/mthca_user.h b/drivers/infiniband/hw/mthca/mthca_user.h
index 02cc0a766f3a..f8cb3b664d37 100644
--- a/drivers/infiniband/hw/mthca/mthca_user.h
+++ b/drivers/infiniband/hw/mthca/mthca_user.h
@@ -41,7 +41,7 @@
  * Increment this value if any changes that break userspace ABI
  * compatibility are made.
  */
-#define MTHCA_UVERBS_ABI_VERSION        1
+#define MTHCA_UVERBS_ABI_VERSION        2
 
 /*
  * Make sure that all structs defined in this file remain laid out so
@@ -61,6 +61,14 @@ struct mthca_alloc_pd_resp {
         __u32 reserved;
 };
 
+struct mthca_reg_mr {
+        __u32 mr_attrs;
+#define MTHCA_MR_DMASYNC 0x1
+/* mark the memory region with a DMA attribute that causes
+ * in-flight DMA to be flushed when the region is written to */
+        __u32 reserved;
+};
+
 struct mthca_create_cq {
         __u32 lkey;
         __u32 pdn;