IB_SEND_RESERVED_START
#define MLX5_IB_SEND_UMR_UNREG IB_SEND_RESERVED_START
#define MLX5_IB_SEND_UMR_FAIL_IF_FREE (IB_SEND_RESERVED_START << 1)
#define MLX5_IB_SEND_UMR_UPDATE_MTT (IB_SEND_RESERVED_START << 2)
#define MLX5_IB_SEND_UMR_UPDATE_TRANSLATION (IB_SEND_RESERVED_START << 3)
#define MLX5_IB_SEND_UMR_UPDATE_PD (IB_SEND_RESERVED_START << 4)
#define RVT_SEND_RESERVE_USED IB_SEND_RESERVED_START
#define RVT_SEND_COMPLETION_ONLY (IB_SEND_RESERVED_START << 1)