On Wed, Feb 26, 2025 at 02:25:42PM +0200, Tariq Toukan wrote:
> From: Shahar Shitrit <shshitrit@xxxxxxxxxx>
>
> Expose crr bit in struct health buffer. When set, it indicates that
> the error cannot be recovered without flow involving a cold reset.
> Add its value to the health buffer info log.
>
> Signed-off-by: Shahar Shitrit <shshitrit@xxxxxxxxxx>
> Reviewed-by: Moshe Shemesh <moshe@xxxxxxxxxx>
> Signed-off-by: Tariq Toukan <tariqt@xxxxxxxxxx>
> ---
> drivers/net/ethernet/mellanox/mlx5/core/health.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c
> index 665cbce89175..c7ff646e0865 100644
> --- a/drivers/net/ethernet/mellanox/mlx5/core/health.c
> +++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c
> @@ -96,6 +96,11 @@ static int mlx5_health_get_rfr(u8 rfr_severity)
> return rfr_severity >> MLX5_RFR_BIT_OFFSET;
> }
>
> +static int mlx5_health_get_crr(u8 rfr_severity)
> +{
> + return (rfr_severity >> MLX5_CRR_BIT_OFFSET) & 0x01;
> +}
> +
> static bool sensor_fw_synd_rfr(struct mlx5_core_dev *dev)
> {
> struct mlx5_core_health *health = &dev->priv.health;
> @@ -442,12 +447,15 @@ static void print_health_info(struct mlx5_core_dev *dev)
> mlx5_log(dev, severity, "time %u\n", ioread32be(&h->time));
> mlx5_log(dev, severity, "hw_id 0x%08x\n", ioread32be(&h->hw_id));
> mlx5_log(dev, severity, "rfr %d\n", mlx5_health_get_rfr(rfr_severity));
> + mlx5_log(dev, severity, "crr %d\n", mlx5_health_get_crr(rfr_severity));
> mlx5_log(dev, severity, "severity %d (%s)\n", severity, mlx5_loglevel_str(severity));
> mlx5_log(dev, severity, "irisc_index %d\n", ioread8(&h->irisc_index));
> mlx5_log(dev, severity, "synd 0x%x: %s\n", ioread8(&h->synd),
> hsynd_str(ioread8(&h->synd)));
> mlx5_log(dev, severity, "ext_synd 0x%04x\n", ioread16be(&h->ext_synd));
> mlx5_log(dev, severity, "raw fw_ver 0x%08x\n", ioread32be(&h->fw_ver));
> + if (mlx5_health_get_crr(rfr_severity))
> + mlx5_core_warn(dev, "Cold reset is required\n");
I wonder if it shouldn't be right after the print about crr value to
tell the user that cold reset is required because of that value.
Patch looks fine, thanks.
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@xxxxxxxxxxxxxxx>
> }
>
> static int
> --
> 2.45.0
