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net/mlx5: Driver events notifier API

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Use atomic notifier chain to fire events to mlx5 core driver
consumers (mlx5e/mlx5_ib) and provide mlx5 register/unregister notifier
API.

This API will replace the current mlx5_interface->event callback and all
the logic around it, especially the delayed events logic introduced by
commit 97834eba7c ("net/mlx5: Delay events till ib registration ends")

Which is not needed anymore with this new API where the mlx5 interface
can dynamically register/unregister its notifier.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Saeed Mahameed
2018-11-26 14:38:56 -08:00
parent 2c89156082
commit 20902be46c
3 changed files with 29 additions and 1 deletions
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4
include/linux/mlx5/driver.h
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@@ -46,6 +46,7 @@
#include <linux/mempool.h>
#include <linux/interrupt.h>
#include <linux/idr.h>
#include <linux/notifier.h>
#include <linux/mlx5/device.h>
#include <linux/mlx5/doorbell.h>
@@ -1062,6 +1063,9 @@ struct mlx5_interface {
void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
int mlx5_register_interface(struct mlx5_interface *intf);
void mlx5_unregister_interface(struct mlx5_interface *intf);
int mlx5_notifier_register(struct mlx5_core_dev *dev, struct notifier_block *nb);
int mlx5_notifier_unregister(struct mlx5_core_dev *dev, struct notifier_block *nb);
int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
int mlx5_cmd_create_vport_lag(struct mlx5_core_dev *dev);