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net/mlx5: Forward QP/WorkQueues resource events

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Allow forwarding QP and WQ events to mlx5_core interfaces, e.g. mlx5_ib

Use mlx5_notifier_register/unregister in qp.c in order to allow seamless
transition of qp.c to infiniband subsystem.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Saeed Mahameed 2018-11-26 14:39:06 -08:00
parent b8267cd765
commit 451be51c0b
3 changed files with 15 additions and 5 deletions
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10
drivers/net/ethernet/mellanox/mlx5/core/events.c
View file

@ -34,6 +34,16 @@ static struct mlx5_nb events_nbs_ref[] = {
/* Events to be forwarded (as is) to mlx5 core interfaces (mlx5e/mlx5_ib) */
{.nb.notifier_call = forward_event, .event_type = MLX5_EVENT_TYPE_PORT_CHANGE },
{.nb.notifier_call = forward_event, .event_type = MLX5_EVENT_TYPE_GENERAL_EVENT },
/* QP/WQ resource events to forward */
{.nb.notifier_call = forward_event, .event_type = MLX5_EVENT_TYPE_DCT_DRAINED },
{.nb.notifier_call = forward_event, .event_type = MLX5_EVENT_TYPE_PATH_MIG },
{.nb.notifier_call = forward_event, .event_type = MLX5_EVENT_TYPE_COMM_EST },
{.nb.notifier_call = forward_event, .event_type = MLX5_EVENT_TYPE_SQ_DRAINED },
{.nb.notifier_call = forward_event, .event_type = MLX5_EVENT_TYPE_SRQ_LAST_WQE },
{.nb.notifier_call = forward_event, .event_type = MLX5_EVENT_TYPE_WQ_CATAS_ERROR },
{.nb.notifier_call = forward_event, .event_type = MLX5_EVENT_TYPE_PATH_MIG_FAILED },
{.nb.notifier_call = forward_event, .event_type = MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR },
{.nb.notifier_call = forward_event, .event_type = MLX5_EVENT_TYPE_WQ_ACCESS_ERROR },
};
struct mlx5_events {

8
drivers/net/ethernet/mellanox/mlx5/core/qp.c
View file

@ -150,7 +150,7 @@ static int rsc_event_notifier(struct notifier_block *nb,
return NOTIFY_DONE;
}
table = mlx5_nb_cof(nb, struct mlx5_qp_table, nb);
table = container_of(nb, struct mlx5_qp_table, nb);
priv = container_of(table, struct mlx5_priv, qp_table);
dev = container_of(priv, struct mlx5_core_dev, priv);
@ -523,15 +523,15 @@ void mlx5_init_qp_table(struct mlx5_core_dev *dev)
INIT_RADIX_TREE(&table->tree, GFP_ATOMIC);
mlx5_qp_debugfs_init(dev);
MLX5_NB_INIT(&table->nb, rsc_event_notifier, NOTIFY_ANY);
mlx5_eq_notifier_register(dev, &table->nb);
table->nb.notifier_call = rsc_event_notifier;
mlx5_notifier_register(dev, &table->nb);
}
void mlx5_cleanup_qp_table(struct mlx5_core_dev *dev)
{
struct mlx5_qp_table *table = &dev->priv.qp_table;
mlx5_eq_notifier_unregister(dev, &table->nb);
mlx5_notifier_unregister(dev, &table->nb);
mlx5_qp_debugfs_cleanup(dev);
}

2
include/linux/mlx5/driver.h
View file

@ -456,7 +456,7 @@ struct mlx5_core_health {
};
struct mlx5_qp_table {
struct mlx5_nb nb;
struct notifier_block nb;
/* protect radix tree
*/