diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
index ad1f5771974f75bdfff05c23ba6ce89f05b63bb1..228aeb2a80eb30f29a7fc1df4663a3e6c0ee345b 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
@@ -41,6 +41,7 @@
 #define HNS_ROCE_V2_ABNORMAL_VEC_NUM		1
 #define HNS_ROCE_V2_MAX_SRQWQE_SEGS		0x1000000
 #define HNS_ROCE_V2_MAX_IDX_SEGS		0x1000000
+#define HNS_ROCE_V2_MAX_XRCD_NUM		0x1000000
 
 #define HNS_ROCE_V2_QP_ACK_TIMEOUT_OFS_HIP08	10