net/mlx5: Forward SRQ resource events
Allow forwarding of SRQ events to mlx5_core interfaces, e.g. mlx5_ib. Use mlx5_notifier_register/unregister in srq.c in order to allow seamless transition of srq.c to infiniband subsystem. Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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@ -44,6 +44,9 @@ static struct mlx5_nb events_nbs_ref[] = {
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{.nb.notifier_call = forward_event, .event_type = MLX5_EVENT_TYPE_PATH_MIG_FAILED },
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{.nb.notifier_call = forward_event, .event_type = MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR },
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{.nb.notifier_call = forward_event, .event_type = MLX5_EVENT_TYPE_WQ_ACCESS_ERROR },
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/* SRQ events */
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{.nb.notifier_call = forward_event, .event_type = MLX5_EVENT_TYPE_SRQ_CATAS_ERROR },
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{.nb.notifier_call = forward_event, .event_type = MLX5_EVENT_TYPE_SRQ_RQ_LIMIT },
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};
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struct mlx5_events {
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@ -40,15 +40,21 @@
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#include "mlx5_core.h"
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#include "lib/eq.h"
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static int srq_event_notifier(struct mlx5_srq_table *table,
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static int srq_event_notifier(struct notifier_block *nb,
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unsigned long type, void *data)
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{
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struct mlx5_srq_table *table;
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struct mlx5_core_dev *dev;
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struct mlx5_core_srq *srq;
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struct mlx5_priv *priv;
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struct mlx5_eqe *eqe;
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u32 srqn;
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if (type != MLX5_EVENT_TYPE_SRQ_CATAS_ERROR &&
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type != MLX5_EVENT_TYPE_SRQ_RQ_LIMIT)
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return NOTIFY_DONE;
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table = container_of(nb, struct mlx5_srq_table, nb);
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priv = container_of(table, struct mlx5_priv, srq_table);
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dev = container_of(priv, struct mlx5_core_dev, priv);
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@ -77,26 +83,6 @@ static int srq_event_notifier(struct mlx5_srq_table *table,
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return NOTIFY_OK;
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}
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static int catas_err_notifier(struct notifier_block *nb,
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unsigned long type, void *data)
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{
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struct mlx5_srq_table *table;
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table = mlx5_nb_cof(nb, struct mlx5_srq_table, catas_err_nb);
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/* type == MLX5_EVENT_TYPE_SRQ_CATAS_ERROR */
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return srq_event_notifier(table, type, data);
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}
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static int rq_limit_notifier(struct notifier_block *nb,
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unsigned long type, void *data)
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{
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struct mlx5_srq_table *table;
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table = mlx5_nb_cof(nb, struct mlx5_srq_table, rq_limit_nb);
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/* type == MLX5_EVENT_TYPE_SRQ_RQ_LIMIT */
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return srq_event_notifier(table, type, data);
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}
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static int get_pas_size(struct mlx5_srq_attr *in)
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{
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u32 log_page_size = in->log_page_size + 12;
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@ -743,17 +729,13 @@ void mlx5_init_srq_table(struct mlx5_core_dev *dev)
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spin_lock_init(&table->lock);
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INIT_RADIX_TREE(&table->tree, GFP_ATOMIC);
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MLX5_NB_INIT(&table->catas_err_nb, catas_err_notifier, SRQ_CATAS_ERROR);
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mlx5_eq_notifier_register(dev, &table->catas_err_nb);
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MLX5_NB_INIT(&table->rq_limit_nb, rq_limit_notifier, SRQ_RQ_LIMIT);
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mlx5_eq_notifier_register(dev, &table->rq_limit_nb);
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table->nb.notifier_call = srq_event_notifier;
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mlx5_notifier_register(dev, &table->nb);
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}
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void mlx5_cleanup_srq_table(struct mlx5_core_dev *dev)
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{
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struct mlx5_srq_table *table = &dev->priv.srq_table;
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mlx5_eq_notifier_unregister(dev, &table->rq_limit_nb);
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mlx5_eq_notifier_unregister(dev, &table->catas_err_nb);
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mlx5_notifier_unregister(dev, &table->nb);
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}
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@ -465,8 +465,7 @@ struct mlx5_qp_table {
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};
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struct mlx5_srq_table {
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struct mlx5_nb catas_err_nb;
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struct mlx5_nb rq_limit_nb;
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struct notifier_block nb;
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/* protect radix tree
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*/
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spinlock_t lock;
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