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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>
This commit is contained in:
Sagi Grimberg 2014-08-13 19:54:29 +03:00 committed by Roland Dreier
parent b261aeafe1
commit fd22f78cf7
2 changed files with 6 additions and 3 deletions
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6
drivers/infiniband/hw/mlx5/qp.c
View File

@ -2095,11 +2095,11 @@ static int mlx5_set_bsf(struct ib_mr *sig_mr,
/* 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);

3
include/linux/mlx5/qp.h
View File

@ -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,