Commit cdfc6ffb authored by Shay Drory's avatar Shay Drory Committed by Saeed Mahameed
Browse files

net/mlx5: Print initializing field in case of timeout 



Print the initializing field in case of FW couldn't initialize before
timeout. This will help to better understand the root cause in some
cases.

Signed-off-by: default avatarShay Drory <shayd@nvidia.com>
Reviewed-by: default avatarMaor Gottlieb <maorg@nvidia.com>
Reviewed-by: default avatarLeon Romanovsky <leonro@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
parent b5235a99

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

+8 −9
Original line number Diff line number Diff line
@@ -177,30 +177,29 @@ static struct mlx5_profile profile[] = { 
	},

};



static int fw_initializing(struct mlx5_core_dev *dev)

{

	return ioread32be(&dev->iseg->initializing) >> 31;

}



static int wait_fw_init(struct mlx5_core_dev *dev, u32 max_wait_mili,

			u32 warn_time_mili)

{

	unsigned long warn = jiffies + msecs_to_jiffies(warn_time_mili);

	unsigned long end = jiffies + msecs_to_jiffies(max_wait_mili);

	u32 fw_initializing;

	int err = 0;



	while (fw_initializing(dev)) {

	do {

		fw_initializing = ioread32be(&dev->iseg->initializing);

		if (!(fw_initializing >> 31))

			break;

		if (time_after(jiffies, end)) {

			err = -EBUSY;

			break;

		}

		if (warn_time_mili && time_after(jiffies, warn)) {

			mlx5_core_warn(dev, "Waiting for FW initialization, timeout abort in %ds\n",

				       jiffies_to_msecs(end - warn) / 1000);

			mlx5_core_warn(dev, "Waiting for FW initialization, timeout abort in %ds (0x%x)\n",

				       jiffies_to_msecs(end - warn) / 1000, fw_initializing);

			warn = jiffies + msecs_to_jiffies(warn_time_mili);

		}

		msleep(mlx5_tout_ms(dev, FW_PRE_INIT_WAIT));

	}

	} while (true);



	return err;

}