[PATCH net-next RFC v4 09/15] net/mlx5: Handle sync reset abort event

[Moshe Shemesh]

If firmware sends sync_reset_abort to driver the driver should clear the
reset requested mode as reset is not expected any more.

Signed-off-by: Moshe Shemesh <mo...@mellanox.com>
---
 .../net/ethernet/mellanox/mlx5/core/fw_reset.c    | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c 
b/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c
index f9e293de9de3..61237f4836cc 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c
@@ -14,6 +14,7 @@ struct mlx5_fw_reset {
        struct work_struct reset_request_work;
        struct work_struct reset_reload_work;
        struct work_struct reset_now_work;
+       struct work_struct reset_abort_work;
        unsigned long reset_flags;
        struct timer_list timer;
 };
@@ -266,6 +267,16 @@ static void mlx5_sync_reset_now_event(struct work_struct 
*work)
        mlx5_load_one(dev, false);
 }
 
+static void mlx5_sync_reset_abort_event(struct work_struct *work)
+{
+       struct mlx5_fw_reset *fw_reset = container_of(work, struct 
mlx5_fw_reset,
+                                                     reset_abort_work);
+       struct mlx5_core_dev *dev = fw_reset->dev;
+
+       mlx5_sync_reset_clear_reset_requested(dev, true);
+       mlx5_core_warn(dev, "PCI Sync FW Update Reset Aborted.\n");
+}
+
 static void mlx5_sync_reset_events_handle(struct mlx5_fw_reset *fw_reset, 
struct mlx5_eqe *eqe)
 {
        struct mlx5_eqe_sync_fw_update *sync_fw_update_eqe;
@@ -280,6 +291,9 @@ static void mlx5_sync_reset_events_handle(struct 
mlx5_fw_reset *fw_reset, struct
        case MLX5_SYNC_RST_STATE_RESET_NOW:
                queue_work(fw_reset->wq, &fw_reset->reset_now_work);
                break;
+       case MLX5_SYNC_RST_STATE_RESET_ABORT:
+               queue_work(fw_reset->wq, &fw_reset->reset_abort_work);
+               break;
        }
 }
 
@@ -317,6 +331,7 @@ int mlx5_fw_reset_events_init(struct mlx5_core_dev *dev)
        INIT_WORK(&fw_reset->reset_request_work, mlx5_sync_reset_request_event);
        INIT_WORK(&fw_reset->reset_reload_work, mlx5_sync_reset_reload_work);
        INIT_WORK(&fw_reset->reset_now_work, mlx5_sync_reset_now_event);
+       INIT_WORK(&fw_reset->reset_abort_work, mlx5_sync_reset_abort_event);
 
        MLX5_NB_INIT(&fw_reset->nb, fw_reset_event_notifier, GENERAL_EVENT);
        mlx5_eq_notifier_register(dev, &fw_reset->nb);
-- 
2.17.1