IB/mlx5: Use enumerations for PI copy mask
In case input and output space parameters match, we can use a copy
mask from input and output space. Use enums for those.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 8c574b6..554410c 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -2095,11 +2095,11 @@
/* Same block structure */
basic->bsf_size_sbs = 1 << 4;
if (mem->sig.dif.bg_type == wire->sig.dif.bg_type)
- basic->wire.copy_byte_mask |= 0xc0;
+ basic->wire.copy_byte_mask |= MLX5_CPY_GRD_MASK;
if (mem->sig.dif.app_tag == wire->sig.dif.app_tag)
- basic->wire.copy_byte_mask |= 0x30;
+ basic->wire.copy_byte_mask |= MLX5_CPY_APP_MASK;
if (mem->sig.dif.ref_tag == wire->sig.dif.ref_tag)
- basic->wire.copy_byte_mask |= 0x0f;
+ basic->wire.copy_byte_mask |= MLX5_CPY_REF_MASK;
} else
basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval);
diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h
index 9709b30..4aa5634 100644
--- a/include/linux/mlx5/qp.h
+++ b/include/linux/mlx5/qp.h
@@ -40,6 +40,9 @@
#define MLX5_SIG_WQE_SIZE (MLX5_SEND_WQE_BB * 5)
#define MLX5_DIF_SIZE 8
#define MLX5_STRIDE_BLOCK_OP 0x400
+#define MLX5_CPY_GRD_MASK 0xc0
+#define MLX5_CPY_APP_MASK 0x30
+#define MLX5_CPY_REF_MASK 0x0f
enum mlx5_qp_optpar {
MLX5_QP_OPTPAR_ALT_ADDR_PATH = 1 << 0,