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Commit a14c2d4b authored by majd@mellanox.com's avatar majd@mellanox.com Committed by Doug Ledford
Browse files

net/mlx5_core: Warn on unsupported events of QP/RQ/SQ 



When an event arrives on QP/RQ/SQ, check whether it's supported,
and print a warning message otherwise.

Signed-off-by: default avatarMajd Dibbiny <majd@mellanox.com>
Reviewed-by: default avatarMatan Barak <matanb@mellanox.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent e2013b21

drivers/net/ethernet/mellanox/mlx5/core/qp.c

+52 −0
Original line number Diff line number Diff line
@@ -68,6 +68,52 @@ void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common) 
		complete(&common->free);

}



static u64 qp_allowed_event_types(void)

{

	u64 mask;



	mask = BIT(MLX5_EVENT_TYPE_PATH_MIG) |

	       BIT(MLX5_EVENT_TYPE_COMM_EST) |

	       BIT(MLX5_EVENT_TYPE_SQ_DRAINED) |

	       BIT(MLX5_EVENT_TYPE_SRQ_LAST_WQE) |

	       BIT(MLX5_EVENT_TYPE_WQ_CATAS_ERROR) |

	       BIT(MLX5_EVENT_TYPE_PATH_MIG_FAILED) |

	       BIT(MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR) |

	       BIT(MLX5_EVENT_TYPE_WQ_ACCESS_ERROR);



	return mask;

}



static u64 rq_allowed_event_types(void)

{

	u64 mask;



	mask = BIT(MLX5_EVENT_TYPE_SRQ_LAST_WQE) |

	       BIT(MLX5_EVENT_TYPE_WQ_CATAS_ERROR);



	return mask;

}



static u64 sq_allowed_event_types(void)

{

	return BIT(MLX5_EVENT_TYPE_WQ_CATAS_ERROR);

}



static bool is_event_type_allowed(int rsc_type, int event_type)

{

	switch (rsc_type) {

	case MLX5_EVENT_QUEUE_TYPE_QP:

		return BIT(event_type) & qp_allowed_event_types();

	case MLX5_EVENT_QUEUE_TYPE_RQ:

		return BIT(event_type) & rq_allowed_event_types();

	case MLX5_EVENT_QUEUE_TYPE_SQ:

		return BIT(event_type) & sq_allowed_event_types();

	default:

		WARN(1, "Event arrived for unknown resource type");

		return false;

	}

}



void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type)

{

	struct mlx5_core_rsc_common *common = mlx5_get_rsc(dev, rsn);
@@ -76,6 +122,12 @@ void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type) 
	if (!common)

		return;



	if (!is_event_type_allowed((rsn >> MLX5_USER_INDEX_LEN), event_type)) {

		mlx5_core_warn(dev, "event 0x%.2x is not allowed on resource 0x%.8x\n",

			       event_type, rsn);

		return;

	}



	switch (common->res) {

	case MLX5_RES_QP:

	case MLX5_RES_RQ: