summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorPatrisious Haddad <phaddad@nvidia.com>2023-09-21 15:10:27 +0300
committerLeon Romanovsky <leon@kernel.org>2023-10-02 11:20:59 +0300
commit0d293714ac32650bfb669ceadf7cc2fad8161401 (patch)
tree4b1a1c0d825f782e95d06df5ee6a7fd78acb56eb
parent6581da706473073066e45b8fc4913f61c2bf6e05 (diff)
RDMA/mlx5: Send events from IB driver about device affiliation state
Send blocking events from IB driver whenever the device is done being affiliated or if it is removed from an affiliation. This is useful since now the EN driver can register to those event and know when a device is affiliated or not. Signed-off-by: Patrisious Haddad <phaddad@nvidia.com> Reviewed-by: Mark Bloch <mbloch@nvidia.com> Link: https://lore.kernel.org/r/a7491c3e483cfd8d962f5f75b9a25f253043384a.1695296682.git.leon@kernel.org Signed-off-by: Leon Romanovsky <leon@kernel.org>
-rw-r--r--drivers/infiniband/hw/mlx5/main.c17
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/main.c6
-rw-r--r--include/linux/mlx5/device.h2
-rw-r--r--include/linux/mlx5/driver.h2
4 files changed, 27 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index aed5cdea50e6..530d88784e41 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -24,6 +24,7 @@
#include <linux/mlx5/vport.h>
#include <linux/mlx5/fs.h>
#include <linux/mlx5/eswitch.h>
+#include <linux/mlx5/driver.h>
#include <linux/list.h>
#include <rdma/ib_smi.h>
#include <rdma/ib_umem_odp.h>
@@ -3175,6 +3176,13 @@ static void mlx5_ib_unbind_slave_port(struct mlx5_ib_dev *ibdev,
lockdep_assert_held(&mlx5_ib_multiport_mutex);
+ mlx5_core_mp_event_replay(ibdev->mdev,
+ MLX5_DRIVER_EVENT_AFFILIATION_REMOVED,
+ NULL);
+ mlx5_core_mp_event_replay(mpi->mdev,
+ MLX5_DRIVER_EVENT_AFFILIATION_REMOVED,
+ NULL);
+
mlx5_ib_cleanup_cong_debugfs(ibdev, port_num);
spin_lock(&port->mp.mpi_lock);
@@ -3226,6 +3234,7 @@ static bool mlx5_ib_bind_slave_port(struct mlx5_ib_dev *ibdev,
struct mlx5_ib_multiport_info *mpi)
{
u32 port_num = mlx5_core_native_port_num(mpi->mdev) - 1;
+ u64 key;
int err;
lockdep_assert_held(&mlx5_ib_multiport_mutex);
@@ -3254,6 +3263,14 @@ static bool mlx5_ib_bind_slave_port(struct mlx5_ib_dev *ibdev,
mlx5_ib_init_cong_debugfs(ibdev, port_num);
+ key = ibdev->ib_dev.index;
+ mlx5_core_mp_event_replay(mpi->mdev,
+ MLX5_DRIVER_EVENT_AFFILIATION_DONE,
+ &key);
+ mlx5_core_mp_event_replay(ibdev->mdev,
+ MLX5_DRIVER_EVENT_AFFILIATION_DONE,
+ &key);
+
return true;
unbind:
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 15561965d2af..6ca91c0e8a6a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -361,6 +361,12 @@ void mlx5_core_uplink_netdev_event_replay(struct mlx5_core_dev *dev)
}
EXPORT_SYMBOL(mlx5_core_uplink_netdev_event_replay);
+void mlx5_core_mp_event_replay(struct mlx5_core_dev *dev, u32 event, void *data)
+{
+ mlx5_blocking_notifier_call_chain(dev, event, data);
+}
+EXPORT_SYMBOL(mlx5_core_mp_event_replay);
+
int mlx5_core_get_caps_mode(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type,
enum mlx5_cap_mode cap_mode)
{
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 4d5be378fa8c..26333d602a50 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -366,6 +366,8 @@ enum mlx5_driver_event {
MLX5_DRIVER_EVENT_UPLINK_NETDEV,
MLX5_DRIVER_EVENT_MACSEC_SA_ADDED,
MLX5_DRIVER_EVENT_MACSEC_SA_DELETED,
+ MLX5_DRIVER_EVENT_AFFILIATION_DONE,
+ MLX5_DRIVER_EVENT_AFFILIATION_REMOVED,
};
enum {
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 3033bbaeac81..5ca4e085d813 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -1027,6 +1027,8 @@ bool mlx5_cmd_is_down(struct mlx5_core_dev *dev);
void mlx5_core_uplink_netdev_set(struct mlx5_core_dev *mdev, struct net_device *netdev);
void mlx5_core_uplink_netdev_event_replay(struct mlx5_core_dev *mdev);
+void mlx5_core_mp_event_replay(struct mlx5_core_dev *dev, u32 event, void *data);
+
void mlx5_health_cleanup(struct mlx5_core_dev *dev);
int mlx5_health_init(struct mlx5_core_dev *dev);
void mlx5_start_health_poll(struct mlx5_core_dev *dev);