diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/pd.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/pd.c | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/pd.c b/drivers/net/ethernet/mellanox/mlx4/pd.c index db4746d0dca..1ac88637ad9 100644 --- a/drivers/net/ethernet/mellanox/mlx4/pd.c +++ b/drivers/net/ethernet/mellanox/mlx4/pd.c @@ -63,7 +63,7 @@ void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn) } EXPORT_SYMBOL_GPL(mlx4_pd_free); -int mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn) +int __mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn) { struct mlx4_priv *priv = mlx4_priv(dev); @@ -73,12 +73,47 @@ int mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn) return 0; } + +int mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn) +{ + u64 out_param; + int err; + + if (mlx4_is_mfunc(dev)) { + err = mlx4_cmd_imm(dev, 0, &out_param, + RES_XRCD, RES_OP_RESERVE, + MLX4_CMD_ALLOC_RES, + MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); + if (err) + return err; + + *xrcdn = get_param_l(&out_param); + return 0; + } + return __mlx4_xrcd_alloc(dev, xrcdn); +} EXPORT_SYMBOL_GPL(mlx4_xrcd_alloc); -void mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn) +void __mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn) { mlx4_bitmap_free(&mlx4_priv(dev)->xrcd_bitmap, xrcdn); } + +void mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn) +{ + u64 in_param; + int err; + + if (mlx4_is_mfunc(dev)) { + set_param_l(&in_param, xrcdn); + err = mlx4_cmd(dev, in_param, RES_XRCD, + RES_OP_RESERVE, MLX4_CMD_FREE_RES, + MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); + if (err) + mlx4_warn(dev, "Failed to release xrcdn %d\n", xrcdn); + } else + __mlx4_xrcd_free(dev, xrcdn); +} EXPORT_SYMBOL_GPL(mlx4_xrcd_free); int mlx4_init_pd_table(struct mlx4_dev *dev) |