net/mlx5: FPGA, Handle QP error event (98db16ba) · Commits · 戴 / test

drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c

+24 −4

Original line number	Diff line number	Diff line
		@@ -50,6 +50,11 @@ static const char *const mlx5_fpga_error_strings[] = {
		"Temperature Critical",
		};

		static const char * const mlx5_fpga_qp_error_strings[] = {
		"Null Syndrome",
		"Retry Counter Expired",
		"RNR Expired",
		};
		static struct mlx5_fpga_device *mlx5_fpga_device_alloc(void)
		{
		struct mlx5_fpga_device *fdev = NULL;
		@@ -271,23 +276,38 @@ static const char *mlx5_fpga_syndrome_to_string(u8 syndrome)
		return "Unknown";
		}

		static const char *mlx5_fpga_qp_syndrome_to_string(u8 syndrome)
		{
		if (syndrome < ARRAY_SIZE(mlx5_fpga_qp_error_strings))
		return mlx5_fpga_qp_error_strings[syndrome];
		return "Unknown";
		}

		void mlx5_fpga_event(struct mlx5_core_dev mdev, u8 event, void data)
		{
		struct mlx5_fpga_device *fdev = mdev->fpga;
		const char *event_name;
		bool teardown = false;
		unsigned long flags;
		u32 fpga_qpn;
		u8 syndrome;

		if (event != MLX5_EVENT_TYPE_FPGA_ERROR) {
		switch (event) {
		case MLX5_EVENT_TYPE_FPGA_ERROR:
		syndrome = MLX5_GET(fpga_error_event, data, syndrome);
		event_name = mlx5_fpga_syndrome_to_string(syndrome);
		break;
		case MLX5_EVENT_TYPE_FPGA_QP_ERROR:
		syndrome = MLX5_GET(fpga_qp_error_event, data, syndrome);
		event_name = mlx5_fpga_qp_syndrome_to_string(syndrome);
		fpga_qpn = MLX5_GET(fpga_qp_error_event, data, fpga_qpn);
		break;
		default:
		mlx5_fpga_warn_ratelimited(fdev, "Unexpected event %u\n",
		event);
		return;
		}

		syndrome = MLX5_GET(fpga_error_event, data, syndrome);
		event_name = mlx5_fpga_syndrome_to_string(syndrome);

		spin_lock_irqsave(&fdev->state_lock, flags);
		switch (fdev->state) {
		case MLX5_FPGA_STATUS_SUCCESS:

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