diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/eq.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/eq.c | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c index bce98d9c0039..99a04648fab0 100644 --- a/drivers/net/ethernet/mellanox/mlx4/eq.c +++ b/drivers/net/ethernet/mellanox/mlx4/eq.c @@ -39,6 +39,7 @@ #include <linux/dma-mapping.h> #include <linux/mlx4/cmd.h> +#include <linux/cpu_rmap.h> #include "mlx4.h" #include "fw.h" @@ -82,6 +83,15 @@ enum { (1ull << MLX4_EVENT_TYPE_FLR_EVENT) | \ (1ull << MLX4_EVENT_TYPE_FATAL_WARNING)) +static u64 get_async_ev_mask(struct mlx4_dev *dev) +{ + u64 async_ev_mask = MLX4_ASYNC_EVENT_MASK; + if (dev->caps.flags & MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV) + async_ev_mask |= (1ull << MLX4_EVENT_TYPE_PORT_MNG_CHG_EVENT); + + return async_ev_mask; +} + static void eq_set_ci(struct mlx4_eq *eq, int req_not) { __raw_writel((__force u32) cpu_to_be32((eq->cons_index & 0xffffff) | @@ -473,6 +483,11 @@ static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq) break; + case MLX4_EVENT_TYPE_PORT_MNG_CHG_EVENT: + mlx4_dispatch_event(dev, MLX4_DEV_EVENT_PORT_MGMT_CHANGE, + (unsigned long) eqe); + break; + case MLX4_EVENT_TYPE_EEC_CATAS_ERROR: case MLX4_EVENT_TYPE_ECC_DETECT: default: @@ -956,7 +971,7 @@ int mlx4_init_eq_table(struct mlx4_dev *dev) priv->eq_table.have_irq = 1; } - err = mlx4_MAP_EQ(dev, MLX4_ASYNC_EVENT_MASK, 0, + err = mlx4_MAP_EQ(dev, get_async_ev_mask(dev), 0, priv->eq_table.eq[dev->caps.num_comp_vectors].eqn); if (err) mlx4_warn(dev, "MAP_EQ for async EQ %d failed (%d)\n", @@ -996,7 +1011,7 @@ void mlx4_cleanup_eq_table(struct mlx4_dev *dev) struct mlx4_priv *priv = mlx4_priv(dev); int i; - mlx4_MAP_EQ(dev, MLX4_ASYNC_EVENT_MASK, 1, + mlx4_MAP_EQ(dev, get_async_ev_mask(dev), 1, priv->eq_table.eq[dev->caps.num_comp_vectors].eqn); mlx4_free_irqs(dev); @@ -1040,7 +1055,7 @@ int mlx4_test_interrupts(struct mlx4_dev *dev) mlx4_cmd_use_polling(dev); /* Map the new eq to handle all asyncronous events */ - err = mlx4_MAP_EQ(dev, MLX4_ASYNC_EVENT_MASK, 0, + err = mlx4_MAP_EQ(dev, get_async_ev_mask(dev), 0, priv->eq_table.eq[i].eqn); if (err) { mlx4_warn(dev, "Failed mapping eq for interrupt test\n"); @@ -1054,13 +1069,14 @@ int mlx4_test_interrupts(struct mlx4_dev *dev) } /* Return to default */ - mlx4_MAP_EQ(dev, MLX4_ASYNC_EVENT_MASK, 0, + mlx4_MAP_EQ(dev, get_async_ev_mask(dev), 0, priv->eq_table.eq[dev->caps.num_comp_vectors].eqn); return err; } EXPORT_SYMBOL(mlx4_test_interrupts); -int mlx4_assign_eq(struct mlx4_dev *dev, char* name, int * vector) +int mlx4_assign_eq(struct mlx4_dev *dev, char *name, struct cpu_rmap *rmap, + int *vector) { struct mlx4_priv *priv = mlx4_priv(dev); @@ -1074,6 +1090,14 @@ int mlx4_assign_eq(struct mlx4_dev *dev, char* name, int * vector) snprintf(priv->eq_table.irq_names + vec * MLX4_IRQNAME_SIZE, MLX4_IRQNAME_SIZE, "%s", name); +#ifdef CONFIG_RFS_ACCEL + if (rmap) { + err = irq_cpu_rmap_add(rmap, + priv->eq_table.eq[vec].irq); + if (err) + mlx4_warn(dev, "Failed adding irq rmap\n"); + } +#endif err = request_irq(priv->eq_table.eq[vec].irq, mlx4_msi_x_interrupt, 0, &priv->eq_table.irq_names[vec<<5], |