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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 /drivers/infiniband
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>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/mlx5/main.c17
1 files changed, 17 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: