1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/infiniband/hw/mthca/mthca_user.h b/drivers/infiniband/hw/mthca/mthca_user.h
index 02cc0a766f3a..e1262c942db8 100644
--- a/drivers/infiniband/hw/mthca/mthca_user.h
+++ b/drivers/infiniband/hw/mthca/mthca_user.h
@@ -61,6 +61,16 @@ struct mthca_alloc_pd_resp {
         __u32 reserved;
 };
 
+struct mthca_reg_mr {
+/*
+ * Mark the memory region with a DMA attribute that causes
+ * in-flight DMA to be flushed when the region is written to:
+ */
+#define MTHCA_MR_DMASYNC        0x1
+        __u32 mr_attrs;
+        __u32 reserved;
+};
+
 struct mthca_create_cq {
         __u32 lkey;
         __u32 pdn;