diff options
| author | Yishai Hadas <yishaih@mellanox.com> | 2019-06-30 19:23:30 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-07-03 23:12:37 +0300 |
| commit | e337dd53ce4cc3db79e52704e554f648c46d5e91 (patch) | |
| tree | de1fe59249fb690a587b921109026e518a0135ca /drivers/infiniband/hw/mlx5/devx.c | |
| parent | 2afc5e1b9c340ff20848c8dd8fb60342617bce52 (diff) | |
| download | linux-e337dd53ce4cc3db79e52704e554f648c46d5e91.tar.xz | |
IB/mlx5: Register DEVX with mlx5_core to get async events
Register DEVX with with mlx5_core to get async events. This will enable
to dispatch the applicable events to its consumers in down stream patches.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/devx.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/devx.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c index ed01523f0f02..a9affc905bfa 100644 --- a/drivers/infiniband/hw/mlx5/devx.c +++ b/drivers/infiniband/hw/mlx5/devx.c @@ -1663,6 +1663,36 @@ static int devx_umem_cleanup(struct ib_uobject *uobject, return 0; } +static int devx_event_notifier(struct notifier_block *nb, + unsigned long event_type, void *data) +{ + return NOTIFY_DONE; +} + +void mlx5_ib_devx_init_event_table(struct mlx5_ib_dev *dev) +{ + struct mlx5_devx_event_table *table = &dev->devx_event_table; + + xa_init(&table->event_xa); + mutex_init(&table->event_xa_lock); + MLX5_NB_INIT(&table->devx_nb, devx_event_notifier, NOTIFY_ANY); + mlx5_eq_notifier_register(dev->mdev, &table->devx_nb); +} + +void mlx5_ib_devx_cleanup_event_table(struct mlx5_ib_dev *dev) +{ + struct mlx5_devx_event_table *table = &dev->devx_event_table; + void *entry; + unsigned long id; + + mlx5_eq_notifier_unregister(dev->mdev, &table->devx_nb); + + xa_for_each(&table->event_xa, id, entry) + kfree(entry); + + xa_destroy(&table->event_xa); +} + static ssize_t devx_async_cmd_event_read(struct file *filp, char __user *buf, size_t count, loff_t *pos) { |