diff options
Diffstat (limited to 'drivers/infiniband/hw')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/main.c | 40 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mlx4/mlx4_ib.h | 2 |
2 files changed, 28 insertions, 14 deletions
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 2c5fd8174b3c..6debee494a16 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -82,6 +82,8 @@ static const char mlx4_ib_version[] = static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init); static enum rdma_link_layer mlx4_ib_port_link_layer(struct ib_device *device, u32 port_num); +static int mlx4_ib_event(struct notifier_block *this, unsigned long event, + void *param); static struct workqueue_struct *wq; @@ -2836,6 +2838,12 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) do_slave_init(ibdev, j, 1); } } + + /* register mlx4 core notifier */ + ibdev->mlx_nb.notifier_call = mlx4_ib_event; + err = mlx4_register_event_notifier(dev, &ibdev->mlx_nb); + WARN(err, "failed to register mlx4 event notifier (%d)", err); + return ibdev; err_notif: @@ -2953,6 +2961,8 @@ static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr) int p; int i; + mlx4_unregister_event_notifier(dev, &ibdev->mlx_nb); + mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) devlink_port_type_clear(mlx4_get_devlink_port(dev, i)); ibdev->ib_active = false; @@ -3173,11 +3183,13 @@ void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev, } } -static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr, - enum mlx4_dev_event event, void *param) +static int mlx4_ib_event(struct notifier_block *this, unsigned long event, + void *param) { + struct mlx4_ib_dev *ibdev = + container_of(this, struct mlx4_ib_dev, mlx_nb); + struct mlx4_dev *dev = ibdev->dev; struct ib_event ibev; - struct mlx4_ib_dev *ibdev = to_mdev((struct ib_device *) ibdev_ptr); struct mlx4_eqe *eqe = NULL; struct ib_event_work *ew; int p = 0; @@ -3187,11 +3199,11 @@ static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr, (event == MLX4_DEV_EVENT_PORT_DOWN))) { ew = kmalloc(sizeof(*ew), GFP_ATOMIC); if (!ew) - return; + return NOTIFY_DONE; INIT_WORK(&ew->work, handle_bonded_port_state_event); ew->ib_dev = ibdev; queue_work(wq, &ew->work); - return; + return NOTIFY_DONE; } switch (event) { @@ -3208,7 +3220,7 @@ static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr, switch (event) { case MLX4_DEV_EVENT_PORT_UP: if (p > ibdev->num_ports) - return; + return NOTIFY_DONE; if (!mlx4_is_slave(dev) && rdma_port_get_link_layer(&ibdev->ib_dev, p) == IB_LINK_LAYER_INFINIBAND) { @@ -3223,7 +3235,7 @@ static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr, case MLX4_DEV_EVENT_PORT_DOWN: if (p > ibdev->num_ports) - return; + return NOTIFY_DONE; ibev.event = IB_EVENT_PORT_ERR; break; @@ -3236,7 +3248,7 @@ static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr, case MLX4_DEV_EVENT_PORT_MGMT_CHANGE: ew = kmalloc(sizeof *ew, GFP_ATOMIC); if (!ew) - return; + return NOTIFY_DONE; INIT_WORK(&ew->work, handle_port_mgmt_change_event); memcpy(&ew->ib_eqe, eqe, sizeof *eqe); @@ -3246,7 +3258,7 @@ static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr, queue_work(wq, &ew->work); else handle_port_mgmt_change_event(&ew->work); - return; + return NOTIFY_DONE; case MLX4_DEV_EVENT_SLAVE_INIT: /* here, p is the slave id */ @@ -3262,7 +3274,7 @@ static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr, 1); } } - return; + return NOTIFY_DONE; case MLX4_DEV_EVENT_SLAVE_SHUTDOWN: if (mlx4_is_master(dev)) { @@ -3278,22 +3290,22 @@ static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr, } /* here, p is the slave id */ do_slave_init(ibdev, p, 0); - return; + return NOTIFY_DONE; default: - return; + return NOTIFY_DONE; } - ibev.device = ibdev_ptr; + ibev.device = &ibdev->ib_dev; ibev.element.port_num = mlx4_is_bonded(ibdev->dev) ? 1 : (u8)p; ib_dispatch_event(&ibev); + return NOTIFY_DONE; } static struct mlx4_interface mlx4_ib_interface = { .add = mlx4_ib_add, .remove = mlx4_ib_remove, - .event = mlx4_ib_event, .protocol = MLX4_PROT_IB_IPV6, .flags = MLX4_INTFF_BONDING }; diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h index 17fee1e73a45..41ca1114a995 100644 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -38,6 +38,7 @@ #include <linux/list.h> #include <linux/mutex.h> #include <linux/idr.h> +#include <linux/notifier.h> #include <rdma/ib_verbs.h> #include <rdma/ib_umem.h> @@ -644,6 +645,7 @@ struct mlx4_ib_dev { spinlock_t reset_flow_resource_lock; struct list_head qp_list; struct mlx4_ib_diag_counters diag_counters[MLX4_DIAG_COUNTERS_TYPES]; + struct notifier_block mlx_nb; }; struct ib_event_work { |