diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c b/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c index f5ffb6fc55c3..b2aaff8d4fcd 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c @@ -5,6 +5,7 @@ enum { MLX5_FW_RESET_FLAGS_RESET_REQUESTED, + MLX5_FW_RESET_FLAGS_NACK_RESET_REQUEST, MLX5_FW_RESET_FLAGS_PENDING_COMP }; @@ -22,6 +23,23 @@ struct mlx5_fw_reset { int ret; }; +void mlx5_fw_reset_enable_remote_dev_reset_set(struct mlx5_core_dev *dev, bool enable) +{ + struct mlx5_fw_reset *fw_reset = dev->priv.fw_reset; + + if (enable) + clear_bit(MLX5_FW_RESET_FLAGS_NACK_RESET_REQUEST, &fw_reset->reset_flags); + else + set_bit(MLX5_FW_RESET_FLAGS_NACK_RESET_REQUEST, &fw_reset->reset_flags); +} + +bool mlx5_fw_reset_enable_remote_dev_reset_get(struct mlx5_core_dev *dev) +{ + struct mlx5_fw_reset *fw_reset = dev->priv.fw_reset; + + return !test_bit(MLX5_FW_RESET_FLAGS_NACK_RESET_REQUEST, &fw_reset->reset_flags); +} + static int mlx5_reg_mfrl_set(struct mlx5_core_dev *dev, u8 reset_level, u8 reset_type_sel, u8 sync_resp, bool sync_start) { @@ -160,6 +178,11 @@ static int mlx5_fw_reset_set_reset_sync_ack(struct mlx5_core_dev *dev) return mlx5_reg_mfrl_set(dev, MLX5_MFRL_REG_RESET_LEVEL3, 0, 1, false); } +static int mlx5_fw_reset_set_reset_sync_nack(struct mlx5_core_dev *dev) +{ + return mlx5_reg_mfrl_set(dev, MLX5_MFRL_REG_RESET_LEVEL3, 0, 2, false); +} + static void mlx5_sync_reset_set_reset_requested(struct mlx5_core_dev *dev) { struct mlx5_fw_reset *fw_reset = dev->priv.fw_reset; @@ -176,6 +199,12 @@ static void mlx5_sync_reset_request_event(struct work_struct *work) struct mlx5_core_dev *dev = fw_reset->dev; int err; + if (test_bit(MLX5_FW_RESET_FLAGS_NACK_RESET_REQUEST, &fw_reset->reset_flags)) { + err = mlx5_fw_reset_set_reset_sync_nack(dev); + mlx5_core_warn(dev, "PCI Sync FW Update Reset Nack %s", + err ? "Failed" : "Sent"); + return; + } mlx5_sync_reset_set_reset_requested(dev); err = mlx5_fw_reset_set_reset_sync_ack(dev); if (err) |